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                  * SLC CHIPFANCIER USB drives
 869                  * PR: usb/234503 (RC10 right, RC16 wrong)
 870                  * 16GB, 32GB and 128GB confirmed to have same issue
 871                  */
 872                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
 873                  "*"}, /*quirks*/ DA_Q_NO_RC16
 874        },
 875         /* ATA/SATA devices over SAS/USB/... */
 876         {
 877                 /* Sandisk X400 */
 878                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
 879                 /*quirks*/DA_Q_128KB
 880         },
 881         {
 882                 /* Hitachi Advanced Format (4k) drives */
 883                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
 884                 /*quirks*/DA_Q_4K
 885         },
 886         {
 887                 /* Micron Advanced Format (4k) drives */
 888                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
 889                 /*quirks*/DA_Q_4K
 890         },
 891         {
 892                 /* Samsung Advanced Format (4k) drives */
 893                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
 894                 /*quirks*/DA_Q_4K
 895         },
 896         {
 897                 /* Samsung Advanced Format (4k) drives */
 898                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
 899                 /*quirks*/DA_Q_4K
 900         },
 901         {
 902                 /* Samsung Advanced Format (4k) drives */
 903                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
 904                 /*quirks*/DA_Q_4K
 905         },
 906         {
 907                 /* Samsung Advanced Format (4k) drives */
 908                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
 909                 /*quirks*/DA_Q_4K
 910         },
 911         {
 912                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 913                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
 914                 /*quirks*/DA_Q_4K
 915         },
 916         {
 917                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 918                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
 919                 /*quirks*/DA_Q_4K
 920         },
 921         {
 922                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 923                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
 924                 /*quirks*/DA_Q_4K
 925         },
 926         {
 927                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 928                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
 929                 /*quirks*/DA_Q_4K
 930         },
 931         {
 932                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 933                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
 934                 /*quirks*/DA_Q_4K
 935         },
 936         {
 937                 /* Seagate Barracuda Green Advanced Format (4k) drives */
 938                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
 939                 /*quirks*/DA_Q_4K
 940         },
 941         {
 942                 /* Seagate Momentus Advanced Format (4k) drives */
 943                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
 944                 /*quirks*/DA_Q_4K
 945         },
 946         {
 947                 /* Seagate Momentus Advanced Format (4k) drives */
 948                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
 949                 /*quirks*/DA_Q_4K
 950         },
 951         {
 952                 /* Seagate Momentus Advanced Format (4k) drives */
 953                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
 954                 /*quirks*/DA_Q_4K
 955         },
 956         {
 957                 /* Seagate Momentus Advanced Format (4k) drives */
 958                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
 959                 /*quirks*/DA_Q_4K
 960         },
 961         {
 962                 /* Seagate Momentus Advanced Format (4k) drives */
 963                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
 964                 /*quirks*/DA_Q_4K
 965         },
 966         {
 967                 /* Seagate Momentus Advanced Format (4k) drives */
 968                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
 969                 /*quirks*/DA_Q_4K
 970         },
 971         {
 972                 /* Seagate Momentus Advanced Format (4k) drives */
 973                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
 974                 /*quirks*/DA_Q_4K
 975         },
 976         {
 977                 /* Seagate Momentus Advanced Format (4k) drives */
 978                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
 979                 /*quirks*/DA_Q_4K
 980         },
 981         {
 982                 /* Seagate Momentus Advanced Format (4k) drives */
 983                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
 984                 /*quirks*/DA_Q_4K
 985         },
 986         {
 987                 /* Seagate Momentus Advanced Format (4k) drives */
 988                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
 989                 /*quirks*/DA_Q_4K
 990         },
 991         {
 992                 /* Seagate Momentus Advanced Format (4k) drives */
 993                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
 994                 /*quirks*/DA_Q_4K
 995         },
 996         {
 997                 /* Seagate Momentus Advanced Format (4k) drives */
 998                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
 999                 /*quirks*/DA_Q_4K
1000         },
1001         {
1002                 /* Seagate Momentus Advanced Format (4k) drives */
1003                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1004                 /*quirks*/DA_Q_4K
1005         },
1006         {
1007                 /* Seagate Momentus Advanced Format (4k) drives */
1008                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1009                 /*quirks*/DA_Q_4K
1010         },
1011         {
1012                 /* Seagate Momentus Thin Advanced Format (4k) drives */
1013                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1014                 /*quirks*/DA_Q_4K
1015         },
1016         {
1017                 /* Seagate Momentus Thin Advanced Format (4k) drives */
1018                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1019                 /*quirks*/DA_Q_4K
1020         },
1021         {
1022                 /* WDC Caviar Green Advanced Format (4k) drives */
1023                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1024                 /*quirks*/DA_Q_4K
1025         },
1026         {
1027                 /* WDC Caviar Green Advanced Format (4k) drives */
1028                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1029                 /*quirks*/DA_Q_4K
1030         },
1031         {
1032                 /* WDC Caviar Green Advanced Format (4k) drives */
1033                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1034                 /*quirks*/DA_Q_4K
1035         },
1036         {
1037                 /* WDC Caviar Green Advanced Format (4k) drives */
1038                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1039                 /*quirks*/DA_Q_4K
1040         },
1041         {
1042                 /* WDC Caviar Green Advanced Format (4k) drives */
1043                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1044                 /*quirks*/DA_Q_4K
1045         },
1046         {
1047                 /* WDC Caviar Green Advanced Format (4k) drives */
1048                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1049                 /*quirks*/DA_Q_4K
1050         },
1051         {
1052                 /* WDC Caviar Green Advanced Format (4k) drives */
1053                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1054                 /*quirks*/DA_Q_4K
1055         },
1056         {
1057                 /* WDC Caviar Green Advanced Format (4k) drives */
1058                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1059                 /*quirks*/DA_Q_4K
1060         },
1061         {
1062                 /* WDC Scorpio Black Advanced Format (4k) drives */
1063                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1064                 /*quirks*/DA_Q_4K
1065         },
1066         {
1067                 /* WDC Scorpio Black Advanced Format (4k) drives */
1068                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1069                 /*quirks*/DA_Q_4K
1070         },
1071         {
1072                 /* WDC Scorpio Black Advanced Format (4k) drives */
1073                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1074                 /*quirks*/DA_Q_4K
1075         },
1076         {
1077                 /* WDC Scorpio Black Advanced Format (4k) drives */
1078                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1079                 /*quirks*/DA_Q_4K
1080         },
1081         {
1082                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1083                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1084                 /*quirks*/DA_Q_4K
1085         },
1086         {
1087                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1088                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1089                 /*quirks*/DA_Q_4K
1090         },
1091         {
1092                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1093                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1094                 /*quirks*/DA_Q_4K
1095         },
1096         {
1097                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1098                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1099                 /*quirks*/DA_Q_4K
1100         },
1101         {
1102                 /*
1103                  * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1104                  * PR: usb/97472
1105                  */
1106                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1107                 /*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1108         },
1109         {
1110                 /*
1111                  * Olympus digital cameras (D-370)
1112                  * PR: usb/97472
1113                  */
1114                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1115                 /*quirks*/ DA_Q_NO_6_BYTE
1116         },
1117         {
1118                 /*
1119                  * Olympus digital cameras (E-100RS, E-10).
1120                  * PR: usb/97472
1121                  */
1122                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1123                 /*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1124         },
1125         {
1126                 /*
1127                  * Olympus FE-210 camera
1128                  */
1129                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1130                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1131         },
1132         {
1133                 /*
1134                 * Pentax Digital Camera
1135                 * PR: usb/93389
1136                 */
1137                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1138                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1139         },
1140         {
1141                 /*
1142                  * LG UP3S MP3 player
1143                  */
1144                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1145                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1146         },
1147         {
1148                 /*
1149                  * Laser MP3-2GA13 MP3 player
1150                  */
1151                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1152                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1153         },
1154         {
1155                 /*
1156                  * LaCie external 250GB Hard drive des by Porsche
1157                  * Submitted by: Ben Stuyts <ben@altesco.nl>
1158                  * PR: 121474
1159                  */
1160                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1161                 /*quirks*/ DA_Q_NO_SYNC_CACHE
1162         },
1163         /* SATA SSDs */
1164         {
1165                 /*
1166                  * Corsair Force 2 SSDs
1167                  * 4k optimised & trim only works in 4k requests + 4k aligned
1168                  */
1169                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1170                 /*quirks*/DA_Q_4K
1171         },
1172         {
1173                 /*
1174                  * Corsair Force 3 SSDs
1175                  * 4k optimised & trim only works in 4k requests + 4k aligned
1176                  */
1177                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1178                 /*quirks*/DA_Q_4K
1179         },
1180         {
1181                 /*
1182                  * Corsair Neutron GTX SSDs
1183                  * 4k optimised & trim only works in 4k requests + 4k aligned
1184                  */
1185                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1186                 /*quirks*/DA_Q_4K
1187         },
1188         {
1189                 /*
1190                  * Corsair Force GT & GS SSDs
1191                  * 4k optimised & trim only works in 4k requests + 4k aligned
1192                  */
1193                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1194                 /*quirks*/DA_Q_4K
1195         },
1196         {
1197                 /*
1198                  * Crucial M4 SSDs
1199                  * 4k optimised & trim only works in 4k requests + 4k aligned
1200                  */
1201                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1202                 /*quirks*/DA_Q_4K
1203         },
1204         {
1205                 /*
1206                  * Crucial RealSSD C300 SSDs
1207                  * 4k optimised
1208                  */
1209                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1210                 "*" }, /*quirks*/DA_Q_4K
1211         },
1212         {
1213                 /*
1214                  * Intel 320 Series SSDs
1215                  * 4k optimised & trim only works in 4k requests + 4k aligned
1216                  */
1217                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1218                 /*quirks*/DA_Q_4K
1219         },
1220         {
1221                 /*
1222                  * Intel 330 Series SSDs
1223                  * 4k optimised & trim only works in 4k requests + 4k aligned
1224                  */
1225                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1226                 /*quirks*/DA_Q_4K
1227         },
1228         {
1229                 /*
1230                  * Intel 510 Series SSDs
1231                  * 4k optimised & trim only works in 4k requests + 4k aligned
1232                  */
1233                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1234                 /*quirks*/DA_Q_4K
1235         },
1236         {
1237                 /*
1238                  * Intel 520 Series SSDs
1239                  * 4k optimised & trim only works in 4k requests + 4k aligned
1240                  */
1241                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1242                 /*quirks*/DA_Q_4K
1243         },
1244         {
1245                 /*
1246                  * Intel S3610 Series SSDs
1247                  * 4k optimised & trim only works in 4k requests + 4k aligned
1248                  */
1249                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1250                 /*quirks*/DA_Q_4K
1251         },
1252         {
1253                 /*
1254                  * Intel X25-M Series SSDs
1255                  * 4k optimised & trim only works in 4k requests + 4k aligned
1256                  */
1257                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1258                 /*quirks*/DA_Q_4K
1259         },
1260         {
1261                 /*
1262                  * Kingston E100 Series SSDs
1263                  * 4k optimised & trim only works in 4k requests + 4k aligned
1264                  */
1265                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1266                 /*quirks*/DA_Q_4K
1267         },
1268         {
1269                 /*
1270                  * Kingston HyperX 3k SSDs
1271                  * 4k optimised & trim only works in 4k requests + 4k aligned
1272                  */
1273                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1274                 /*quirks*/DA_Q_4K
1275         },
1276         {
1277                 /*
1278                  * Marvell SSDs (entry taken from OpenSolaris)
1279                  * 4k optimised & trim only works in 4k requests + 4k aligned
1280                  */
1281                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1282                 /*quirks*/DA_Q_4K
1283         },
1284         {
1285                 /*
1286                  * OCZ Agility 2 SSDs
1287                  * 4k optimised & trim only works in 4k requests + 4k aligned
1288                  */
1289                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1290                 /*quirks*/DA_Q_4K
1291         },
1292         {
1293                 /*
1294                  * OCZ Agility 3 SSDs
1295                  * 4k optimised & trim only works in 4k requests + 4k aligned
1296                  */
1297                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1298                 /*quirks*/DA_Q_4K
1299         },
1300         {
1301                 /*
1302                  * OCZ Deneva R Series SSDs
1303                  * 4k optimised & trim only works in 4k requests + 4k aligned
1304                  */
1305                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1306                 /*quirks*/DA_Q_4K
1307         },
1308         {
1309                 /*
1310                  * OCZ Vertex 2 SSDs (inc pro series)
1311                  * 4k optimised & trim only works in 4k requests + 4k aligned
1312                  */
1313                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1314                 /*quirks*/DA_Q_4K
1315         },
1316         {
1317                 /*
1318                  * OCZ Vertex 3 SSDs
1319                  * 4k optimised & trim only works in 4k requests + 4k aligned
1320                  */
1321                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1322                 /*quirks*/DA_Q_4K
1323         },
1324         {
1325                 /*
1326                  * OCZ Vertex 4 SSDs
1327                  * 4k optimised & trim only works in 4k requests + 4k aligned
1328                  */
1329                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1330                 /*quirks*/DA_Q_4K
1331         },
1332         {
1333                 /*
1334                  * Samsung 750 Series SSDs
1335                  * 4k optimised & trim only works in 4k requests + 4k aligned
1336                  */
1337                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1338                 /*quirks*/DA_Q_4K
1339         },
1340         {
1341                 /*
1342                  * Samsung 830 Series SSDs
1343                  * 4k optimised & trim only works in 4k requests + 4k aligned
1344                  */
1345                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1346                 /*quirks*/DA_Q_4K
1347         },
1348         {
1349                 /*
1350                  * Samsung 840 SSDs
1351                  * 4k optimised & trim only works in 4k requests + 4k aligned
1352                  */
1353                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1354                 /*quirks*/DA_Q_4K
1355         },
1356         {
1357                 /*
1358                  * Samsung 845 SSDs
1359                  * 4k optimised & trim only works in 4k requests + 4k aligned
1360                  */
1361                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1362                 /*quirks*/DA_Q_4K
1363         },
1364         {
1365                 /*
1366                  * Samsung 850 SSDs
1367                  * 4k optimised & trim only works in 4k requests + 4k aligned
1368                  */
1369                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1370                 /*quirks*/DA_Q_4K
1371         },
1372         {
1373                 /*
1374                  * Samsung 843T Series SSDs (MZ7WD*)
1375                  * Samsung PM851 Series SSDs (MZ7TE*)
1376                  * Samsung PM853T Series SSDs (MZ7GE*)
1377                  * Samsung SM863 Series SSDs (MZ7KM*)
1378                  * 4k optimised
1379                  */
1380                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1381                 /*quirks*/DA_Q_4K
1382         },
1383         {
1384                 /*
1385                  * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1386                  * starting with MZ7* too
1387                  */
1388                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1389                 /*quirks*/DA_Q_4K
1390         },
1391         {
1392                 /*
1393                  * SuperTalent TeraDrive CT SSDs
1394                  * 4k optimised & trim only works in 4k requests + 4k aligned
1395                  */
1396                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1397                 /*quirks*/DA_Q_4K
1398         },
1399         {
1400                 /*
1401                  * XceedIOPS SATA SSDs
1402                  * 4k optimised
1403                  */
1404                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1405                 /*quirks*/DA_Q_4K
1406         },
1407         {
1408                 /*
1409                  * Hama Innostor USB-Stick
1410                  */
1411                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1412                 /*quirks*/DA_Q_NO_RC16
1413         },
1414         {
1415                 /*
1416                  * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1417                  * Drive Managed SATA hard drive.  This drive doesn't report
1418                  * in firmware that it is a drive managed SMR drive.
1419                  */
1420                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1421                 /*quirks*/DA_Q_SMR_DM
1422         },
1423         {
1424                 /*
1425                  * MX-ES USB Drive by Mach Xtreme
1426                  */
1427                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1428                 /*quirks*/DA_Q_NO_RC16
1429         },
1430 };
1431
1432 static  disk_strategy_t dastrategy;
1433 static  dumper_t        dadump;
1434 static  periph_init_t   dainit;
1435 static  void            daasync(void *callback_arg, u_int32_t code,
1436                                 struct cam_path *path, void *arg);
1437 static  void            dasysctlinit(void *context, int pending);
1438 static  int             dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1439 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1440 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1441 static  int             dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1442 static  int             dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1443 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1444 static  void            dadeletemethodset(struct da_softc *softc,
1445                                           da_delete_methods delete_method);
1446 static  off_t           dadeletemaxsize(struct da_softc *softc,
1447                                         da_delete_methods delete_method);
1448 static  void            dadeletemethodchoose(struct da_softc *softc,
1449                                              da_delete_methods default_method);
1450 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1451
1452 static  periph_ctor_t   daregister;
1453 static  periph_dtor_t   dacleanup;
1454 static  periph_start_t  dastart;
1455 static  periph_oninv_t  daoninvalidate;
1456 static  void            dazonedone(struct cam_periph *periph, union ccb *ccb);
1457 static  void            dadone(struct cam_periph *periph,
1458                                union ccb *done_ccb);
1459 static void             dadone_probewp(struct cam_periph *periph,
1460                                        union ccb *done_ccb);
1461 static void             dadone_proberc(struct cam_periph *periph,
1462                                        union ccb *done_ccb);
1463 static void             dadone_probelbp(struct cam_periph *periph,
1464                                         union ccb *done_ccb);
1465 static void             dadone_probeblklimits(struct cam_periph *periph,
1466                                               union ccb *done_ccb);
1467 static void             dadone_probebdc(struct cam_periph *periph,
1468                                         union ccb *done_ccb);
1469 static void             dadone_probeata(struct cam_periph *periph,
1470                                         union ccb *done_ccb);
1471 static void             dadone_probeatalogdir(struct cam_periph *periph,
1472                                               union ccb *done_ccb);
1473 static void             dadone_probeataiddir(struct cam_periph *periph,
1474                                              union ccb *done_ccb);
1475 static void             dadone_probeatasup(struct cam_periph *periph,
1476                                            union ccb *done_ccb);
1477 static void             dadone_probeatazone(struct cam_periph *periph,
1478                                             union ccb *done_ccb);
1479 static void             dadone_probezone(struct cam_periph *periph,
1480                                          union ccb *done_ccb);
1481 static void             dadone_tur(struct cam_periph *periph,
1482                                    union ccb *done_ccb);
1483 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1484                                 u_int32_t sense_flags);
1485 static void             daprevent(struct cam_periph *periph, int action);
1486 static void             dareprobe(struct cam_periph *periph);
1487 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1488                                   uint64_t maxsector,
1489                                   struct scsi_read_capacity_data_long *rcaplong,
1490                                   size_t rcap_size);
1491 static timeout_t        dasendorderedtag;
1492 static void             dashutdown(void *arg, int howto);
1493 static timeout_t        damediapoll;
1494
1495 #ifndef DA_DEFAULT_POLL_PERIOD
1496 #define DA_DEFAULT_POLL_PERIOD  3
1497 #endif
1498
1499 #ifndef DA_DEFAULT_TIMEOUT
1500 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1501 #endif
1502
1503 #ifndef DA_DEFAULT_SOFTTIMEOUT
1504 #define DA_DEFAULT_SOFTTIMEOUT  0
1505 #endif
1506
1507 #ifndef DA_DEFAULT_RETRY
1508 #define DA_DEFAULT_RETRY        4
1509 #endif
1510
1511 #ifndef DA_DEFAULT_SEND_ORDERED
1512 #define DA_DEFAULT_SEND_ORDERED 1
1513 #endif
1514
1515 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1516 static int da_retry_count = DA_DEFAULT_RETRY;
1517 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1518 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1519 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1520 static int da_disable_wp_detection = 0;
1521
1522 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1523             "CAM Direct Access Disk driver");
1524 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1525            &da_poll_period, 0, "Media polling period in seconds");
1526 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1527            &da_retry_count, 0, "Normal I/O retry count");
1528 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1529            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1530 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1531            &da_send_ordered, 0, "Send Ordered Tags");
1532 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1533            &da_disable_wp_detection, 0,
1534            "Disable detection of write-protected disks");
1535
1536 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1537     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1538     "Soft I/O timeout (ms)");
1539 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1540
1541 /*
1542  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1543  * to the default timeout, we check to see whether an ordered
1544  * tagged transaction is appropriate to prevent simple tag
1545  * starvation.  Since we'd like to ensure that there is at least
1546  * 1/2 of the timeout length left for a starved transaction to
1547  * complete after we've sent an ordered tag, we must poll at least
1548  * four times in every timeout period.  This takes care of the worst
1549  * case where a starved transaction starts during an interval that
1550  * meets the requirement "don't send an ordered tag" test so it takes
1551  * us two intervals to determine that a tag must be sent.
1552  */
1553 #ifndef DA_ORDEREDTAG_INTERVAL
1554 #define DA_ORDEREDTAG_INTERVAL 4
1555 #endif
1556
1557 static struct periph_driver dadriver =
1558 {
1559         dainit, "da",
1560         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1561 };
1562
1563 PERIPHDRIVER_DECLARE(da, dadriver);
1564
1565 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1566
1567 /*
1568  * This driver takes out references / holds in well defined pairs, never
1569  * recursively. These macros / inline functions enforce those rules. They
1570  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1571  * defined to be 2 or larger, the tracking also includes debug printfs.
1572  */
1573 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1574
1575 #ifndef DA_TRACK_REFS
1576 #define DA_TRACK_REFS 1
1577 #endif
1578
1579 #if DA_TRACK_REFS > 1
1580 static const char *da_ref_text[] = {
1581         "bogus",
1582         "open",
1583         "open hold",
1584         "close hold",
1585         "reprobe hold",
1586         "Test Unit Ready",
1587         "Geom",
1588         "sysctl",
1589         "reprobe",
1590         "max -- also bogus"
1591 };
1592
1593 #define DA_PERIPH_PRINT(periph, msg, args...)           \
1594         CAM_PERIPH_PRINT(periph, msg, ##args)
1595 #else
1596 #define DA_PERIPH_PRINT(periph, msg, args...)
1597 #endif
1598
1599 static inline void
1600 token_sanity(da_ref_token token)
1601 {
1602         if ((unsigned)token >= DA_REF_MAX)
1603                 panic("Bad token value passed in %d\n", token);
1604 }
1605
1606 static inline int
1607 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1608 {
1609         int err = cam_periph_hold(periph, priority);
1610
1611         token_sanity(token);
1612         DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1613             da_ref_text[token], token, err);
1614         if (err == 0) {
1615                 int cnt;
1616                 struct da_softc *softc = periph->softc;
1617
1618                 cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1619                 if (cnt != 0)
1620                         panic("Re-holding for reason %d, cnt = %d", token, cnt);
1621         }
1622         return (err);
1623 }
1624
1625 static inline void
1626 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1627 {
1628         int cnt;
1629         struct da_softc *softc = periph->softc;
1630
1631         token_sanity(token);
1632         DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1633             da_ref_text[token], token);
1634         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1635         if (cnt != 1)
1636                 panic("Unholding %d with cnt = %d", token, cnt);
1637         cam_periph_unhold(periph);
1638 }
1639
1640 static inline int
1641 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1642 {
1643         int err = cam_periph_acquire(periph);
1644
1645         token_sanity(token);
1646         DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1647             da_ref_text[token], token, err);
1648         if (err == 0) {
1649                 int cnt;
1650                 struct da_softc *softc = periph->softc;
1651
1652                 cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1653                 if (cnt != 0)
1654                         panic("Re-refing for reason %d, cnt = %d", token, cnt);
1655         }
1656         return (err);
1657 }
1658
1659 static inline void
1660 da_periph_release(struct cam_periph *periph, da_ref_token token)
1661 {
1662         int cnt;
1663         struct da_softc *softc = periph->softc;
1664
1665         token_sanity(token);
1666         DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1667             da_ref_text[token], token);
1668         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1669         if (cnt != 1)
1670                 panic("Releasing %d with cnt = %d", token, cnt);
1671         cam_periph_release(periph);
1672 }
1673
1674 static inline void
1675 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1676 {
1677         int cnt;
1678         struct da_softc *softc = periph->softc;
1679
1680         token_sanity(token);
1681         DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1682             da_ref_text[token], token);
1683         cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1684         if (cnt != 1)
1685                 panic("Unholding %d with cnt = %d", token, cnt);
1686         cam_periph_release_locked(periph);
1687 }
1688
1689 #define cam_periph_hold POISON
1690 #define cam_periph_unhold POISON
1691 #define cam_periph_acquire POISON
1692 #define cam_periph_release POISON
1693 #define cam_periph_release_locked POISON
1694
1695 #else
1696 #define da_periph_hold(periph, prio, token)     cam_periph_hold((periph), (prio))
1697 #define da_periph_unhold(periph, token)         cam_periph_unhold((periph))
1698 #define da_periph_acquire(periph, token)        cam_periph_acquire((periph))
1699 #define da_periph_release(periph, token)        cam_periph_release((periph))
1700 #define da_periph_release_locked(periph, token) cam_periph_release_locked((periph))
1701 #endif
1702
1703 static int
1704 daopen(struct disk *dp)
1705 {
1706         struct cam_periph *periph;
1707         struct da_softc *softc;
1708         int error;
1709
1710         periph = (struct cam_periph *)dp->d_drv1;
1711         if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1712                 return (ENXIO);
1713         }
1714
1715         cam_periph_lock(periph);
1716         if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1717                 cam_periph_unlock(periph);
1718                 da_periph_release(periph, DA_REF_OPEN);
1719                 return (error);
1720         }
1721
1722         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1723             ("daopen\n"));
1724
1725         softc = (struct da_softc *)periph->softc;
1726         dareprobe(periph);
1727
1728         /* Wait for the disk size update.  */
1729         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1730             "dareprobe", 0);
1731         if (error != 0)
1732                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1733
1734         if (periph->flags & CAM_PERIPH_INVALID)
1735                 error = ENXIO;
1736
1737         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1738             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1739                 daprevent(periph, PR_PREVENT);
1740
1741         if (error == 0) {
1742                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1743                 softc->flags |= DA_FLAG_OPEN;
1744         }
1745
1746         da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1747         cam_periph_unlock(periph);
1748
1749         if (error != 0)
1750                 da_periph_release(periph, DA_REF_OPEN);
1751
1752         return (error);
1753 }
1754
1755 static int
1756 daclose(struct disk *dp)
1757 {
1758         struct  cam_periph *periph;
1759         struct  da_softc *softc;
1760         union   ccb *ccb;
1761
1762         periph = (struct cam_periph *)dp->d_drv1;
1763         softc = (struct da_softc *)periph->softc;
1764         cam_periph_lock(periph);
1765         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1766             ("daclose\n"));
1767
1768         if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1769
1770                 /* Flush disk cache. */
1771                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1772                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1773                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1774                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1775                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1776                             /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1777                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1778                             5 * 60 * 1000);
1779                         cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1780                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1781                             softc->disk->d_devstat);
1782                         softc->flags &= ~DA_FLAG_DIRTY;
1783                         xpt_release_ccb(ccb);
1784                 }
1785
1786                 /* Allow medium removal. */
1787                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1788                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1789                         daprevent(periph, PR_ALLOW);
1790
1791                 da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1792         }
1793
1794         /*
1795          * If we've got removeable media, mark the blocksize as
1796          * unavailable, since it could change when new media is
1797          * inserted.
1798          */
1799         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1800                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1801
1802         softc->flags &= ~DA_FLAG_OPEN;
1803         while (softc->refcount != 0)
1804                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1805         cam_periph_unlock(periph);
1806         da_periph_release(periph, DA_REF_OPEN);
1807         return (0);
1808 }
1809
1810 static void
1811 daschedule(struct cam_periph *periph)
1812 {
1813         struct da_softc *softc = (struct da_softc *)periph->softc;
1814
1815         if (softc->state != DA_STATE_NORMAL)
1816                 return;
1817
1818         cam_iosched_schedule(softc->cam_iosched, periph);
1819 }
1820
1821 /*
1822  * Actually translate the requested transfer into one the physical driver
1823  * can understand.  The transfer is described by a buf and will include
1824  * only one physical transfer.
1825  */
1826 static void
1827 dastrategy(struct bio *bp)
1828 {
1829         struct cam_periph *periph;
1830         struct da_softc *softc;
1831
1832         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1833         softc = (struct da_softc *)periph->softc;
1834
1835         cam_periph_lock(periph);
1836
1837         /*
1838          * If the device has been made invalid, error out
1839          */
1840         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1841                 cam_periph_unlock(periph);
1842                 biofinish(bp, NULL, ENXIO);
1843                 return;
1844         }
1845
1846         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1847
1848         /*
1849          * Zone commands must be ordered, because they can depend on the
1850          * effects of previously issued commands, and they may affect
1851          * commands after them.
1852          */
1853         if (bp->bio_cmd == BIO_ZONE)
1854                 bp->bio_flags |= BIO_ORDERED;
1855
1856         /*
1857          * Place it in the queue of disk activities for this disk
1858          */
1859         cam_iosched_queue_work(softc->cam_iosched, bp);
1860
1861         /*
1862          * Schedule ourselves for performing the work.
1863          */
1864         daschedule(periph);
1865         cam_periph_unlock(periph);
1866
1867         return;
1868 }
1869
1870 static int
1871 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1872 {
1873         struct      cam_periph *periph;
1874         struct      da_softc *softc;
1875         u_int       secsize;
1876         struct      ccb_scsiio csio;
1877         struct      disk *dp;
1878         int         error = 0;
1879
1880         dp = arg;
1881         periph = dp->d_drv1;
1882         softc = (struct da_softc *)periph->softc;
1883         secsize = softc->params.secsize;
1884
1885         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1886                 return (ENXIO);
1887
1888         memset(&csio, 0, sizeof(csio));
1889         if (length > 0) {
1890                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1891                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1892                 scsi_read_write(&csio,
1893                                 /*retries*/0,
1894                                 /*cbfcnp*/NULL,
1895                                 MSG_ORDERED_Q_TAG,
1896                                 /*read*/SCSI_RW_WRITE,
1897                                 /*byte2*/0,
1898                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1899                                 offset / secsize,
1900                                 length / secsize,
1901                                 /*data_ptr*/(u_int8_t *) virtual,
1902                                 /*dxfer_len*/length,
1903                                 /*sense_len*/SSD_FULL_SIZE,
1904                                 da_default_timeout * 1000);
1905                 error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1906                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1907                 if (error != 0)
1908                         printf("Aborting dump due to I/O error.\n");
1909                 return (error);
1910         }
1911
1912         /*
1913          * Sync the disk cache contents to the physical media.
1914          */
1915         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1916
1917                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1918                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1919                 scsi_synchronize_cache(&csio,
1920                                        /*retries*/0,
1921                                        /*cbfcnp*/NULL,
1922                                        MSG_SIMPLE_Q_TAG,
1923                                        /*begin_lba*/0,/* Cover the whole disk */
1924                                        /*lb_count*/0,
1925                                        SSD_FULL_SIZE,
1926                                        5 * 1000);
1927                 error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1928                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1929                 if (error != 0)
1930                         xpt_print(periph->path, "Synchronize cache failed\n");
1931         }
1932         return (error);
1933 }
1934
1935 static int
1936 dagetattr(struct bio *bp)
1937 {
1938         int ret;
1939         struct cam_periph *periph;
1940
1941         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1942         cam_periph_lock(periph);
1943         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1944             periph->path);
1945         cam_periph_unlock(periph);
1946         if (ret == 0)
1947                 bp->bio_completed = bp->bio_length;
1948         return ret;
1949 }
1950
1951 static void
1952 dainit(void)
1953 {
1954         cam_status status;
1955
1956         /*
1957          * Install a global async callback.  This callback will
1958          * receive async callbacks like "new device found".
1959          */
1960         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1961
1962         if (status != CAM_REQ_CMP) {
1963                 printf("da: Failed to attach master async callback "
1964                        "due to status 0x%x!\n", status);
1965         } else if (da_send_ordered) {
1966
1967                 /* Register our shutdown event handler */
1968                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1969                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1970                     printf("dainit: shutdown event registration failed!\n");
1971         }
1972 }
1973
1974 /*
1975  * Callback from GEOM, called when it has finished cleaning up its
1976  * resources.
1977  */
1978 static void
1979 dadiskgonecb(struct disk *dp)
1980 {
1981         struct cam_periph *periph;
1982
1983         periph = (struct cam_periph *)dp->d_drv1;
1984         da_periph_release(periph, DA_REF_GEOM);
1985 }
1986
1987 static void
1988 daoninvalidate(struct cam_periph *periph)
1989 {
1990         struct da_softc *softc;
1991
1992         cam_periph_assert(periph, MA_OWNED);
1993         softc = (struct da_softc *)periph->softc;
1994
1995         /*
1996          * De-register any async callbacks.
1997          */
1998         xpt_register_async(0, daasync, periph, periph->path);
1999
2000         softc->flags |= DA_FLAG_PACK_INVALID;
2001 #ifdef CAM_IO_STATS
2002         softc->invalidations++;
2003 #endif
2004
2005         /*
2006          * Return all queued I/O with ENXIO.
2007          * XXX Handle any transactions queued to the card
2008          *     with XPT_ABORT_CCB.
2009          */
2010         cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2011
2012         /*
2013          * Tell GEOM that we've gone away, we'll get a callback when it is
2014          * done cleaning up its resources.
2015          */
2016         disk_gone(softc->disk);
2017 }
2018
2019 static void
2020 dacleanup(struct cam_periph *periph)
2021 {
2022         struct da_softc *softc;
2023
2024         softc = (struct da_softc *)periph->softc;
2025
2026         cam_periph_unlock(periph);
2027
2028         cam_iosched_fini(softc->cam_iosched);
2029
2030         /*
2031          * If we can't free the sysctl tree, oh well...
2032          */
2033         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2034 #ifdef CAM_IO_STATS
2035                 if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2036                         xpt_print(periph->path,
2037                             "can't remove sysctl stats context\n");
2038 #endif
2039                 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2040                         xpt_print(periph->path,
2041                             "can't remove sysctl context\n");
2042         }
2043
2044         callout_drain(&softc->mediapoll_c);
2045         disk_destroy(softc->disk);
2046         callout_drain(&softc->sendordered_c);
2047         free(softc, M_DEVBUF);
2048         cam_periph_lock(periph);
2049 }
2050
2051 static void
2052 daasync(void *callback_arg, u_int32_t code,
2053         struct cam_path *path, void *arg)
2054 {
2055         struct cam_periph *periph;
2056         struct da_softc *softc;
2057
2058         periph = (struct cam_periph *)callback_arg;
2059         switch (code) {
2060         case AC_FOUND_DEVICE:   /* callback to create periph, no locking yet */
2061         {
2062                 struct ccb_getdev *cgd;
2063                 cam_status status;
2064
2065                 cgd = (struct ccb_getdev *)arg;
2066                 if (cgd == NULL)
2067                         break;
2068
2069                 if (cgd->protocol != PROTO_SCSI)
2070                         break;
2071                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2072                         break;
2073                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2074                     && SID_TYPE(&cgd->inq_data) != T_RBC
2075                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2076                     && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2077                         break;
2078
2079                 /*
2080                  * Allocate a peripheral instance for
2081                  * this device and start the probe
2082                  * process.
2083                  */
2084                 status = cam_periph_alloc(daregister, daoninvalidate,
2085                                           dacleanup, dastart,
2086                                           "da", CAM_PERIPH_BIO,
2087                                           path, daasync,
2088                                           AC_FOUND_DEVICE, cgd);
2089
2090                 if (status != CAM_REQ_CMP
2091                  && status != CAM_REQ_INPROG)
2092                         printf("daasync: Unable to attach to new device "
2093                                 "due to status 0x%x\n", status);
2094                 return;
2095         }
2096         case AC_ADVINFO_CHANGED:        /* Doesn't touch periph */
2097         {
2098                 uintptr_t buftype;
2099
2100                 buftype = (uintptr_t)arg;
2101                 if (buftype == CDAI_TYPE_PHYS_PATH) {
2102                         struct da_softc *softc;
2103
2104                         softc = periph->softc;
2105                         disk_attr_changed(softc->disk, "GEOM::physpath",
2106                                           M_NOWAIT);
2107                 }
2108                 break;
2109         }
2110         case AC_UNIT_ATTENTION:
2111         {
2112                 union ccb *ccb;
2113                 int error_code, sense_key, asc, ascq;
2114
2115                 softc = (struct da_softc *)periph->softc;
2116                 ccb = (union ccb *)arg;
2117
2118                 /*
2119                  * Handle all UNIT ATTENTIONs except our own, as they will be
2120                  * handled by daerror(). Since this comes from a different periph,
2121                  * that periph's lock is held, not ours, so we have to take it ours
2122                  * out to touch softc flags.
2123                  */
2124                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2125                     scsi_extract_sense_ccb(ccb,
2126                      &error_code, &sense_key, &asc, &ascq)) {
2127                         if (asc == 0x2A && ascq == 0x09) {
2128                                 xpt_print(ccb->ccb_h.path,
2129                                     "Capacity data has changed\n");
2130                                 cam_periph_lock(periph);
2131                                 softc->flags &= ~DA_FLAG_PROBED;
2132                                 cam_periph_unlock(periph);
2133                                 dareprobe(periph);
2134                         } else if (asc == 0x28 && ascq == 0x00) {
2135                                 cam_periph_lock(periph);
2136                                 softc->flags &= ~DA_FLAG_PROBED;
2137                                 cam_periph_unlock(periph);
2138                                 disk_media_changed(softc->disk, M_NOWAIT);
2139                         } else if (asc == 0x3F && ascq == 0x03) {
2140                                 xpt_print(ccb->ccb_h.path,
2141                                     "INQUIRY data has changed\n");
2142                                 cam_periph_lock(periph);
2143                                 softc->flags &= ~DA_FLAG_PROBED;
2144                                 cam_periph_unlock(periph);
2145                                 dareprobe(periph);
2146                         }
2147                 }
2148                 break;
2149         }
2150         case AC_SCSI_AEN:               /* Called for this path: periph locked */
2151                 /*
2152                  * Appears to be currently unused for SCSI devices, only ata SIMs
2153                  * generate this.
2154                  */
2155                 cam_periph_assert(periph, MA_OWNED);
2156                 softc = (struct da_softc *)periph->softc;
2157                 if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2158                     (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2159                         if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2160                                 cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2161                                 daschedule(periph);
2162                         }
2163                 }
2164                 /* FALLTHROUGH */
2165         case AC_SENT_BDR:               /* Called for this path: periph locked */
2166         case AC_BUS_RESET:              /* Called for this path: periph locked */
2167         {
2168                 struct ccb_hdr *ccbh;
2169
2170                 cam_periph_assert(periph, MA_OWNED);
2171                 softc = (struct da_softc *)periph->softc;
2172                 /*
2173                  * Don't fail on the expected unit attention
2174                  * that will occur.
2175                  */
2176                 softc->flags |= DA_FLAG_RETRY_UA;
2177                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2178                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
2179                 break;
2180         }
2181         case AC_INQ_CHANGED:            /* Called for this path: periph locked */
2182                 cam_periph_assert(periph, MA_OWNED);
2183                 softc = (struct da_softc *)periph->softc;
2184                 softc->flags &= ~DA_FLAG_PROBED;
2185                 dareprobe(periph);
2186                 break;
2187         default:
2188                 break;
2189         }
2190         cam_periph_async(periph, code, path, arg);
2191 }
2192
2193 static void
2194 dasysctlinit(void *context, int pending)
2195 {
2196         struct cam_periph *periph;
2197         struct da_softc *softc;
2198         char tmpstr[32], tmpstr2[16];
2199         struct ccb_trans_settings cts;
2200
2201         periph = (struct cam_periph *)context;
2202         /*
2203          * periph was held for us when this task was enqueued
2204          */
2205         if (periph->flags & CAM_PERIPH_INVALID) {
2206                 da_periph_release(periph, DA_REF_SYSCTL);
2207                 return;
2208         }
2209
2210         softc = (struct da_softc *)periph->softc;
2211         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2212         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2213
2214         sysctl_ctx_init(&softc->sysctl_ctx);
2215         cam_periph_lock(periph);
2216         softc->flags |= DA_FLAG_SCTX_INIT;
2217         cam_periph_unlock(periph);
2218         softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2219                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2220                 CTLFLAG_RD, 0, tmpstr, "device_index");
2221         if (softc->sysctl_tree == NULL) {
2222                 printf("dasysctlinit: unable to allocate sysctl tree\n");
2223                 da_periph_release(periph, DA_REF_SYSCTL);
2224                 return;
2225         }
2226
2227         /*
2228          * Now register the sysctl handler, so the user can change the value on
2229          * the fly.
2230          */
2231         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2232                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
2233                 softc, 0, dadeletemethodsysctl, "A",
2234                 "BIO_DELETE execution method");
2235         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2236                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
2237                 softc, 0, dadeletemaxsysctl, "Q",
2238                 "Maximum BIO_DELETE size");
2239         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2240                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
2241                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2242                 "Minimum CDB size");
2243         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2244                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2245                 "trim_count", CTLFLAG_RD, &softc->trim_count,
2246                 "Total number of unmap/dsm commands sent");
2247         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2248                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2249                 "trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2250                 "Total number of ranges in unmap/dsm commands");
2251         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2252                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2253                 "trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2254                 "Total lbas in the unmap/dsm commands sent");
2255
2256         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2257                 OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
2258                 softc, 0, dazonemodesysctl, "A",
2259                 "Zone Mode");
2260         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2261                 OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
2262                 softc, 0, dazonesupsysctl, "A",
2263                 "Zone Support");
2264         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2265                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2266                 "optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2267                 "Optimal Number of Open Sequential Write Preferred Zones");
2268         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2269                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2270                 "optimal_nonseq_zones", CTLFLAG_RD,
2271                 &softc->optimal_nonseq_zones,
2272                 "Optimal Number of Non-Sequentially Written Sequential Write "
2273                 "Preferred Zones");
2274         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2275                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2276                 "max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2277                 "Maximum Number of Open Sequential Write Required Zones");
2278
2279         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2280                        SYSCTL_CHILDREN(softc->sysctl_tree),
2281                        OID_AUTO,
2282                        "error_inject",
2283                        CTLFLAG_RW,
2284                        &softc->error_inject,
2285                        0,
2286                        "error_inject leaf");
2287
2288         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2289                        SYSCTL_CHILDREN(softc->sysctl_tree),
2290                        OID_AUTO,
2291                        "unmapped_io",
2292                        CTLFLAG_RD,
2293                        &softc->unmappedio,
2294                        0,
2295                        "Unmapped I/O leaf");
2296
2297         SYSCTL_ADD_INT(&softc->sysctl_ctx,
2298                        SYSCTL_CHILDREN(softc->sysctl_tree),
2299                        OID_AUTO,
2300                        "rotating",
2301                        CTLFLAG_RD,
2302                        &softc->rotating,
2303                        0,
2304                        "Rotating media");
2305
2306 #ifdef CAM_TEST_FAILURE
2307         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2308                 OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2309                 periph, 0, cam_periph_invalidate_sysctl, "I",
2310                 "Write 1 to invalidate the drive immediately");
2311 #endif
2312
2313         /*
2314          * Add some addressing info.
2315          */
2316         memset(&cts, 0, sizeof (cts));
2317         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2318         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2319         cts.type = CTS_TYPE_CURRENT_SETTINGS;
2320         cam_periph_lock(periph);
2321         xpt_action((union ccb *)&cts);
2322         cam_periph_unlock(periph);
2323         if (cts.ccb_h.status != CAM_REQ_CMP) {
2324                 da_periph_release(periph, DA_REF_SYSCTL);
2325                 return;
2326         }
2327         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2328                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2329                 if (fc->valid & CTS_FC_VALID_WWPN) {
2330                         softc->wwpn = fc->wwpn;
2331                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2332                             SYSCTL_CHILDREN(softc->sysctl_tree),
2333                             OID_AUTO, "wwpn", CTLFLAG_RD,
2334                             &softc->wwpn, "World Wide Port Name");
2335                 }
2336         }
2337
2338 #ifdef CAM_IO_STATS
2339         /*
2340          * Now add some useful stats.
2341          * XXX These should live in cam_periph and be common to all periphs
2342          */
2343         softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2344             SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2345             CTLFLAG_RD, 0, "Statistics");
2346         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2347                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2348                        OID_AUTO,
2349                        "errors",
2350                        CTLFLAG_RD,
2351                        &softc->errors,
2352                        0,
2353                        "Transport errors reported by the SIM");
2354         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2355                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2356                        OID_AUTO,
2357                        "timeouts",
2358                        CTLFLAG_RD,
2359                        &softc->timeouts,
2360                        0,
2361                        "Device timeouts reported by the SIM");
2362         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2363                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2364                        OID_AUTO,
2365                        "pack_invalidations",
2366                        CTLFLAG_RD,
2367                        &softc->invalidations,
2368                        0,
2369                        "Device pack invalidations");
2370 #endif
2371
2372         cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2373             softc->sysctl_tree);
2374
2375         da_periph_release(periph, DA_REF_SYSCTL);
2376 }
2377
2378 static int
2379 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2380 {
2381         int error;
2382         uint64_t value;
2383         struct da_softc *softc;
2384
2385         softc = (struct da_softc *)arg1;
2386
2387         value = softc->disk->d_delmaxsize;
2388         error = sysctl_handle_64(oidp, &value, 0, req);
2389         if ((error != 0) || (req->newptr == NULL))
2390                 return (error);
2391
2392         /* only accept values smaller than the calculated value */
2393         if (value > dadeletemaxsize(softc, softc->delete_method)) {
2394                 return (EINVAL);
2395         }
2396         softc->disk->d_delmaxsize = value;
2397
2398         return (0);
2399 }
2400
2401 static int
2402 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2403 {
2404         int error, value;
2405
2406         value = *(int *)arg1;
2407
2408         error = sysctl_handle_int(oidp, &value, 0, req);
2409
2410         if ((error != 0)
2411          || (req->newptr == NULL))
2412                 return (error);
2413
2414         /*
2415          * Acceptable values here are 6, 10, 12 or 16.
2416          */
2417         if (value < 6)
2418                 value = 6;
2419         else if ((value > 6)
2420               && (value <= 10))
2421                 value = 10;
2422         else if ((value > 10)
2423               && (value <= 12))
2424                 value = 12;
2425         else if (value > 12)
2426                 value = 16;
2427
2428         *(int *)arg1 = value;
2429
2430         return (0);
2431 }
2432
2433 static int
2434 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2435 {
2436         sbintime_t value;
2437         int error;
2438
2439         value = da_default_softtimeout / SBT_1MS;
2440
2441         error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2442         if ((error != 0) || (req->newptr == NULL))
2443                 return (error);
2444
2445         /* XXX Should clip this to a reasonable level */
2446         if (value > da_default_timeout * 1000)
2447                 return (EINVAL);
2448
2449         da_default_softtimeout = value * SBT_1MS;
2450         return (0);
2451 }
2452
2453 static void
2454 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2455 {
2456
2457         softc->delete_method = delete_method;
2458         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2459         softc->delete_func = da_delete_functions[delete_method];
2460
2461         if (softc->delete_method > DA_DELETE_DISABLE)
2462                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
2463         else
2464                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2465 }
2466
2467 static off_t
2468 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2469 {
2470         off_t sectors;
2471
2472         switch(delete_method) {
2473         case DA_DELETE_UNMAP:
2474                 sectors = (off_t)softc->unmap_max_lba;
2475                 break;
2476         case DA_DELETE_ATA_TRIM:
2477                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2478                 break;
2479         case DA_DELETE_WS16:
2480                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2481                 break;
2482         case DA_DELETE_ZERO:
2483         case DA_DELETE_WS10:
2484                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2485                 break;
2486         default:
2487                 return 0;
2488         }
2489
2490         return (off_t)softc->params.secsize *
2491             omin(sectors, softc->params.sectors);
2492 }
2493
2494 static void
2495 daprobedone(struct cam_periph *periph, union ccb *ccb)
2496 {
2497         struct da_softc *softc;
2498
2499         softc = (struct da_softc *)periph->softc;
2500
2501         cam_periph_assert(periph, MA_OWNED);
2502
2503         dadeletemethodchoose(softc, DA_DELETE_NONE);
2504
2505         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2506                 char buf[80];
2507                 int i, sep;
2508
2509                 snprintf(buf, sizeof(buf), "Delete methods: <");
2510                 sep = 0;
2511                 for (i = 0; i <= DA_DELETE_MAX; i++) {
2512                         if ((softc->delete_available & (1 << i)) == 0 &&
2513                             i != softc->delete_method)
2514                                 continue;
2515                         if (sep)
2516                                 strlcat(buf, ",", sizeof(buf));
2517                         strlcat(buf, da_delete_method_names[i],
2518                             sizeof(buf));
2519                         if (i == softc->delete_method)
2520                                 strlcat(buf, "(*)", sizeof(buf));
2521                         sep = 1;
2522                 }
2523                 strlcat(buf, ">", sizeof(buf));
2524                 printf("%s%d: %s\n", periph->periph_name,
2525                     periph->unit_number, buf);
2526         }
2527         if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2528             (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2529                 printf("%s%d: Write Protected\n", periph->periph_name,
2530                     periph->unit_number);
2531         }
2532
2533         /*
2534          * Since our peripheral may be invalidated by an error
2535          * above or an external event, we must release our CCB
2536          * before releasing the probe lock on the peripheral.
2537          * The peripheral will only go away once the last lock
2538          * is removed, and we need it around for the CCB release
2539          * operation.
2540          */
2541         xpt_release_ccb(ccb);
2542         softc->state = DA_STATE_NORMAL;
2543         softc->flags |= DA_FLAG_PROBED;
2544         daschedule(periph);
2545         wakeup(&softc->disk->d_mediasize);
2546         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2547                 softc->flags |= DA_FLAG_ANNOUNCED;
2548                 da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2549         } else
2550                 da_periph_release_locked(periph, DA_REF_REPROBE);
2551 }
2552
2553 static void
2554 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2555 {
2556         int i, methods;
2557
2558         /* If available, prefer the method requested by user. */
2559         i = softc->delete_method_pref;
2560         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2561         if (methods & (1 << i)) {
2562                 dadeletemethodset(softc, i);
2563                 return;
2564         }
2565
2566         /* Use the pre-defined order to choose the best performing delete. */
2567         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2568                 if (i == DA_DELETE_ZERO)
2569                         continue;
2570                 if (softc->delete_available & (1 << i)) {
2571                         dadeletemethodset(softc, i);
2572                         return;
2573                 }
2574         }
2575
2576         /* Fallback to default. */
2577         dadeletemethodset(softc, default_method);
2578 }
2579
2580 static int
2581 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2582 {
2583         char buf[16];
2584         const char *p;
2585         struct da_softc *softc;
2586         int i, error, value;
2587
2588         softc = (struct da_softc *)arg1;
2589
2590         value = softc->delete_method;
2591         if (value < 0 || value > DA_DELETE_MAX)
2592                 p = "UNKNOWN";
2593         else
2594                 p = da_delete_method_names[value];
2595         strncpy(buf, p, sizeof(buf));
2596         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2597         if (error != 0 || req->newptr == NULL)
2598                 return (error);
2599         for (i = 0; i <= DA_DELETE_MAX; i++) {
2600                 if (strcmp(buf, da_delete_method_names[i]) == 0)
2601                         break;
2602         }
2603         if (i > DA_DELETE_MAX)
2604                 return (EINVAL);
2605         softc->delete_method_pref = i;
2606         dadeletemethodchoose(softc, DA_DELETE_NONE);
2607         return (0);
2608 }
2609
2610 static int
2611 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2612 {
2613         char tmpbuf[40];
2614         struct da_softc *softc;
2615         int error;
2616
2617         softc = (struct da_softc *)arg1;
2618
2619         switch (softc->zone_mode) {
2620         case DA_ZONE_DRIVE_MANAGED:
2621                 snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2622                 break;
2623         case DA_ZONE_HOST_AWARE:
2624                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2625                 break;
2626         case DA_ZONE_HOST_MANAGED:
2627                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2628                 break;
2629         case DA_ZONE_NONE:
2630         default:
2631                 snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2632                 break;
2633         }
2634
2635         error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2636
2637         return (error);
2638 }
2639
2640 static int
2641 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2642 {
2643         char tmpbuf[180];
2644         struct da_softc *softc;
2645         struct sbuf sb;
2646         int error, first;
2647         unsigned int i;
2648
2649         softc = (struct da_softc *)arg1;
2650
2651         error = 0;
2652         first = 1;
2653         sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2654
2655         for (i = 0; i < sizeof(da_zone_desc_table) /
2656              sizeof(da_zone_desc_table[0]); i++) {
2657                 if (softc->zone_flags & da_zone_desc_table[i].value) {
2658                         if (first == 0)
2659                                 sbuf_printf(&sb, ", ");
2660                         else
2661                                 first = 0;
2662                         sbuf_cat(&sb, da_zone_desc_table[i].desc);
2663                 }
2664         }
2665
2666         if (first == 1)
2667                 sbuf_printf(&sb, "None");
2668
2669         sbuf_finish(&sb);
2670
2671         error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2672
2673         return (error);
2674 }
2675
2676 static cam_status
2677 daregister(struct cam_periph *periph, void *arg)
2678 {
2679         struct da_softc *softc;
2680         struct ccb_pathinq cpi;
2681         struct ccb_getdev *cgd;
2682         char tmpstr[80];
2683         caddr_t match;
2684
2685         cgd = (struct ccb_getdev *)arg;
2686         if (cgd == NULL) {
2687                 printf("daregister: no getdev CCB, can't register device\n");
2688                 return(CAM_REQ_CMP_ERR);
2689         }
2690
2691         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2692             M_NOWAIT|M_ZERO);
2693
2694         if (softc == NULL) {
2695                 printf("daregister: Unable to probe new device. "
2696                        "Unable to allocate softc\n");
2697                 return(CAM_REQ_CMP_ERR);
2698         }
2699
2700         if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2701                 printf("daregister: Unable to probe new device. "
2702                        "Unable to allocate iosched memory\n");
2703                 free(softc, M_DEVBUF);
2704                 return(CAM_REQ_CMP_ERR);
2705         }
2706
2707         LIST_INIT(&softc->pending_ccbs);
2708         softc->state = DA_STATE_PROBE_WP;
2709         bioq_init(&softc->delete_run_queue);
2710         if (SID_IS_REMOVABLE(&cgd->inq_data))
2711                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2712         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2713         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2714         softc->unmap_gran = 0;
2715         softc->unmap_gran_align = 0;
2716         softc->ws_max_blks = WS16_MAX_BLKS;
2717         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2718         softc->rotating = 1;
2719
2720         periph->softc = softc;
2721
2722         /*
2723          * See if this device has any quirks.
2724          */
2725         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2726                                (caddr_t)da_quirk_table,
2727                                nitems(da_quirk_table),
2728                                sizeof(*da_quirk_table), scsi_inquiry_match);
2729
2730         if (match != NULL)
2731                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2732         else
2733                 softc->quirks = DA_Q_NONE;
2734
2735         /* Check if the SIM does not want 6 byte commands */
2736         xpt_path_inq(&cpi, periph->path);
2737         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2738                 softc->quirks |= DA_Q_NO_6_BYTE;
2739
2740         if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2741                 softc->zone_mode = DA_ZONE_HOST_MANAGED;
2742         else if (softc->quirks & DA_Q_SMR_DM)
2743                 softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2744         else
2745                 softc->zone_mode = DA_ZONE_NONE;
2746
2747         if (softc->zone_mode != DA_ZONE_NONE) {
2748                 if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2749                         if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2750                                 softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2751                         else
2752                                 softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2753                 } else
2754                         softc->zone_interface = DA_ZONE_IF_SCSI;
2755         }
2756
2757         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2758
2759         /*
2760          * Take an exclusive section lock qon the periph while dastart is called
2761          * to finish the probe.  The lock will be dropped in dadone at the end
2762          * of probe. This locks out daopen and daclose from racing with the
2763          * probe.
2764          *
2765          * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2766          */
2767         (void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2768
2769         /*
2770          * Schedule a periodic event to occasionally send an
2771          * ordered tag to a device.
2772          */
2773         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2774         callout_reset(&softc->sendordered_c,
2775             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2776             dasendorderedtag, periph);
2777
2778         cam_periph_unlock(periph);
2779         /*
2780          * RBC devices don't have to support READ(6), only READ(10).
2781          */
2782         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2783                 softc->minimum_cmd_size = 10;
2784         else
2785                 softc->minimum_cmd_size = 6;
2786
2787         /*
2788          * Load the user's default, if any.
2789          */
2790         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2791                  periph->unit_number);
2792         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2793
2794         /*
2795          * 6, 10, 12 and 16 are the currently permissible values.
2796          */
2797         if (softc->minimum_cmd_size > 12)
2798                 softc->minimum_cmd_size = 16;
2799         else if (softc->minimum_cmd_size > 10)
2800                 softc->minimum_cmd_size = 12;
2801         else if (softc->minimum_cmd_size > 6)
2802                 softc->minimum_cmd_size = 10;
2803         else
2804                 softc->minimum_cmd_size = 6;
2805
2806         /* Predict whether device may support READ CAPACITY(16). */
2807         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2808             (softc->quirks & DA_Q_NO_RC16) == 0) {
2809                 softc->flags |= DA_FLAG_CAN_RC16;
2810         }
2811
2812         /*
2813          * Register this media as a disk.
2814          */
2815         softc->disk = disk_alloc();
2816         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2817                           periph->unit_number, 0,
2818                           DEVSTAT_BS_UNAVAILABLE,
2819                           SID_TYPE(&cgd->inq_data) |
2820                           XPORT_DEVSTAT_TYPE(cpi.transport),
2821                           DEVSTAT_PRIORITY_DISK);
2822         softc->disk->d_open = daopen;
2823         softc->disk->d_close = daclose;
2824         softc->disk->d_strategy = dastrategy;
2825         softc->disk->d_dump = dadump;
2826         softc->disk->d_getattr = dagetattr;
2827         softc->disk->d_gone = dadiskgonecb;
2828         softc->disk->d_name = "da";
2829         softc->disk->d_drv1 = periph;
2830         if (cpi.maxio == 0)
2831                 softc->maxio = DFLTPHYS;        /* traditional default */
2832         else if (cpi.maxio > MAXPHYS)
2833                 softc->maxio = MAXPHYS;         /* for safety */
2834         else
2835                 softc->maxio = cpi.maxio;
2836         if (softc->quirks & DA_Q_128KB)
2837                 softc->maxio = min(softc->maxio, 128 * 1024);
2838         softc->disk->d_maxsize = softc->maxio;
2839         softc->disk->d_unit = periph->unit_number;
2840         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2841         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2842                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2843         if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2844                 softc->unmappedio = 1;
2845                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2846         }
2847         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2848             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2849         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2850         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2851             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2852             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2853         softc->disk->d_hba_vendor = cpi.hba_vendor;
2854         softc->disk->d_hba_device = cpi.hba_device;
2855         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2856         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2857
2858         /*
2859          * Acquire a reference to the periph before we register with GEOM.
2860          * We'll release this reference once GEOM calls us back (via
2861          * dadiskgonecb()) telling us that our provider has been freed.
2862          */
2863         if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2864                 xpt_print(periph->path, "%s: lost periph during "
2865                           "registration!\n", __func__);
2866                 cam_periph_lock(periph);
2867                 return (CAM_REQ_CMP_ERR);
2868         }
2869
2870         disk_create(softc->disk, DISK_VERSION);
2871         cam_periph_lock(periph);
2872
2873         /*
2874          * Add async callbacks for events of interest.
2875          * I don't bother checking if this fails as,
2876          * in most cases, the system will function just
2877          * fine without them and the only alternative
2878          * would be to not attach the device on failure.
2879          */
2880         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2881             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2882             AC_INQ_CHANGED, daasync, periph, periph->path);
2883
2884         /*
2885          * Emit an attribute changed notification just in case
2886          * physical path information arrived before our async
2887          * event handler was registered, but after anyone attaching
2888          * to our disk device polled it.
2889          */
2890         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2891
2892         /*
2893          * Schedule a periodic media polling events.
2894          */
2895         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2896         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2897             (cgd->inq_flags & SID_AEN) == 0 &&
2898             da_poll_period != 0)
2899                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2900                     damediapoll, periph);
2901
2902         xpt_schedule(periph, CAM_PRIORITY_DEV);
2903
2904         return(CAM_REQ_CMP);
2905 }
2906
2907 static int
2908 da_zone_bio_to_scsi(int disk_zone_cmd)
2909 {
2910         switch (disk_zone_cmd) {
2911         case DISK_ZONE_OPEN:
2912                 return ZBC_OUT_SA_OPEN;
2913         case DISK_ZONE_CLOSE:
2914                 return ZBC_OUT_SA_CLOSE;
2915         case DISK_ZONE_FINISH:
2916                 return ZBC_OUT_SA_FINISH;
2917         case DISK_ZONE_RWP:
2918                 return ZBC_OUT_SA_RWP;
2919         }
2920
2921         return -1;
2922 }
2923
2924 static int
2925 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2926             int *queue_ccb)
2927 {
2928         struct da_softc *softc;
2929         int error;
2930
2931         error = 0;
2932
2933         if (bp->bio_cmd != BIO_ZONE) {
2934                 error = EINVAL;
2935                 goto bailout;
2936         }
2937
2938         softc = periph->softc;
2939
2940         switch (bp->bio_zone.zone_cmd) {
2941         case DISK_ZONE_OPEN:
2942         case DISK_ZONE_CLOSE:
2943         case DISK_ZONE_FINISH:
2944         case DISK_ZONE_RWP: {
2945                 int zone_flags;
2946                 int zone_sa;
2947                 uint64_t lba;
2948
2949                 zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2950                 if (zone_sa == -1) {
2951                         xpt_print(periph->path, "Cannot translate zone "
2952                             "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2953                         error = EINVAL;
2954                         goto bailout;
2955                 }
2956
2957                 zone_flags = 0;
2958                 lba = bp->bio_zone.zone_params.rwp.id;
2959
2960                 if (bp->bio_zone.zone_params.rwp.flags &
2961                     DISK_ZONE_RWP_FLAG_ALL)
2962                         zone_flags |= ZBC_OUT_ALL;
2963
2964                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2965                         scsi_zbc_out(&ccb->csio,
2966                                      /*retries*/ da_retry_count,
2967                                      /*cbfcnp*/ dadone,
2968                                      /*tag_action*/ MSG_SIMPLE_Q_TAG,
2969                                      /*service_action*/ zone_sa,
2970                                      /*zone_id*/ lba,
2971                                      /*zone_flags*/ zone_flags,
2972                                      /*data_ptr*/ NULL,
2973                                      /*dxfer_len*/ 0,
2974                                      /*sense_len*/ SSD_FULL_SIZE,
2975                                      /*timeout*/ da_default_timeout * 1000);
2976                 } else {
2977                         /*
2978                          * Note that in this case, even though we can
2979                          * technically use NCQ, we don't bother for several
2980                          * reasons:
2981                          * 1. It hasn't been tested on a SAT layer that
2982                          *    supports it.  This is new as of SAT-4.
2983                          * 2. Even when there is a SAT layer that supports
2984                          *    it, that SAT layer will also probably support
2985                          *    ZBC -> ZAC translation, since they are both
2986                          *    in the SAT-4 spec.
2987                          * 3. Translation will likely be preferable to ATA
2988                          *    passthrough.  LSI / Avago at least single
2989                          *    steps ATA passthrough commands in the HBA,
2990                          *    regardless of protocol, so unless that
2991                          *    changes, there is a performance penalty for
2992                          *    doing ATA passthrough no matter whether
2993                          *    you're using NCQ/FPDMA, DMA or PIO.
2994                          * 4. It requires a 32-byte CDB, which at least at
2995                          *    this point in CAM requires a CDB pointer, which
2996                          *    would require us to allocate an additional bit
2997                          *    of storage separate from the CCB.
2998                          */
2999                         error = scsi_ata_zac_mgmt_out(&ccb->csio,
3000                             /*retries*/ da_retry_count,
3001                             /*cbfcnp*/ dadone,
3002                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
3003                             /*use_ncq*/ 0,
3004                             /*zm_action*/ zone_sa,
3005                             /*zone_id*/ lba,
3006                             /*zone_flags*/ zone_flags,
3007                             /*data_ptr*/ NULL,
3008                             /*dxfer_len*/ 0,
3009                             /*cdb_storage*/ NULL,
3010                             /*cdb_storage_len*/ 0,
3011                             /*sense_len*/ SSD_FULL_SIZE,
3012                             /*timeout*/ da_default_timeout * 1000);
3013                         if (error != 0) {
3014                                 error = EINVAL;
3015                                 xpt_print(periph->path,
3016                                     "scsi_ata_zac_mgmt_out() returned an "
3017                                     "error!");
3018                                 goto bailout;
3019                         }
3020                 }
3021                 *queue_ccb = 1;
3022
3023                 break;
3024         }
3025         case DISK_ZONE_REPORT_ZONES: {
3026                 uint8_t *rz_ptr;
3027                 uint32_t num_entries, alloc_size;
3028                 struct disk_zone_report *rep;
3029
3030                 rep = &bp->bio_zone.zone_params.report;
3031
3032                 num_entries = rep->entries_allocated;
3033                 if (num_entries == 0) {
3034                         xpt_print(periph->path, "No entries allocated for "
3035                             "Report Zones request\n");
3036                         error = EINVAL;
3037                         goto bailout;
3038                 }
3039                 alloc_size = sizeof(struct scsi_report_zones_hdr) +
3040                     (sizeof(struct scsi_report_zones_desc) * num_entries);
3041                 alloc_size = min(alloc_size, softc->disk->d_maxsize);
3042                 rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3043                 if (rz_ptr == NULL) {
3044                         xpt_print(periph->path, "Unable to allocate memory "
3045                            "for Report Zones request\n");
3046                         error = ENOMEM;
3047                         goto bailout;
3048                 }
3049
3050                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3051                         scsi_zbc_in(&ccb->csio,
3052                                     /*retries*/ da_retry_count,
3053                                     /*cbcfnp*/ dadone,
3054                                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3055                                     /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3056                                     /*zone_start_lba*/ rep->starting_id,
3057                                     /*zone_options*/ rep->rep_options,
3058                                     /*data_ptr*/ rz_ptr,
3059                                     /*dxfer_len*/ alloc_size,
3060                                     /*sense_len*/ SSD_FULL_SIZE,
3061                                     /*timeout*/ da_default_timeout * 1000);
3062                 } else {
3063                         /*
3064                          * Note that in this case, even though we can
3065                          * technically use NCQ, we don't bother for several
3066                          * reasons:
3067                          * 1. It hasn't been tested on a SAT layer that
3068                          *    supports it.  This is new as of SAT-4.
3069                          * 2. Even when there is a SAT layer that supports
3070                          *    it, that SAT layer will also probably support
3071                          *    ZBC -> ZAC translation, since they are both
3072                          *    in the SAT-4 spec.
3073                          * 3. Translation will likely be preferable to ATA
3074                          *    passthrough.  LSI / Avago at least single
3075                          *    steps ATA passthrough commands in the HBA,
3076                          *    regardless of protocol, so unless that
3077                          *    changes, there is a performance penalty for
3078                          *    doing ATA passthrough no matter whether
3079                          *    you're using NCQ/FPDMA, DMA or PIO.
3080                          * 4. It requires a 32-byte CDB, which at least at
3081                          *    this point in CAM requires a CDB pointer, which
3082                          *    would require us to allocate an additional bit
3083                          *    of storage separate from the CCB.
3084                          */
3085                         error = scsi_ata_zac_mgmt_in(&ccb->csio,
3086                             /*retries*/ da_retry_count,
3087                             /*cbcfnp*/ dadone,
3088                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
3089                             /*use_ncq*/ 0,
3090                             /*zm_action*/ ATA_ZM_REPORT_ZONES,
3091                             /*zone_id*/ rep->starting_id,
3092                             /*zone_flags*/ rep->rep_options,
3093                             /*data_ptr*/ rz_ptr,
3094                             /*dxfer_len*/ alloc_size,
3095                             /*cdb_storage*/ NULL,
3096                             /*cdb_storage_len*/ 0,
3097                             /*sense_len*/ SSD_FULL_SIZE,
3098                             /*timeout*/ da_default_timeout * 1000);
3099                         if (error != 0) {
3100                                 error = EINVAL;
3101                                 xpt_print(periph->path,
3102                                     "scsi_ata_zac_mgmt_in() returned an "
3103                                     "error!");
3104                                 goto bailout;
3105                         }
3106                 }
3107
3108                 /*
3109                  * For BIO_ZONE, this isn't normally needed.  However, it
3110                  * is used by devstat_end_transaction_bio() to determine
3111                  * how much data was transferred.
3112                  */
3113                 /*
3114                  * XXX KDM we have a problem.  But I'm not sure how to fix
3115                  * it.  devstat uses bio_bcount - bio_resid to calculate
3116                  * the amount of data transferred.   The GEOM disk code
3117                  * uses bio_length - bio_resid to calculate the amount of
3118                  * data in bio_completed.  We have different structure
3119                  * sizes above and below the ada(4) driver.  So, if we
3120                  * use the sizes above, the amount transferred won't be
3121                  * quite accurate for devstat.  If we use different sizes
3122                  * for bio_bcount and bio_length (above and below
3123                  * respectively), then the residual needs to match one or
3124                  * the other.  Everything is calculated after the bio
3125                  * leaves the driver, so changing the values around isn't
3126                  * really an option.  For now, just set the count to the
3127                  * passed in length.  This means that the calculations
3128                  * above (e.g. bio_completed) will be correct, but the
3129                  * amount of data reported to devstat will be slightly
3130                  * under or overstated.
3131                  */
3132                 bp->bio_bcount = bp->bio_length;
3133
3134                 *queue_ccb = 1;
3135
3136                 break;
3137         }
3138         case DISK_ZONE_GET_PARAMS: {
3139                 struct disk_zone_disk_params *params;
3140
3141                 params = &bp->bio_zone.zone_params.disk_params;
3142                 bzero(params, sizeof(*params));
3143
3144                 switch (softc->zone_mode) {
3145                 case DA_ZONE_DRIVE_MANAGED:
3146                         params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3147                         break;
3148                 case DA_ZONE_HOST_AWARE:
3149                         params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3150                         break;
3151                 case DA_ZONE_HOST_MANAGED:
3152                         params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3153                         break;
3154                 default:
3155                 case DA_ZONE_NONE:
3156                         params->zone_mode = DISK_ZONE_MODE_NONE;
3157                         break;
3158                 }
3159
3160                 if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3161                         params->flags |= DISK_ZONE_DISK_URSWRZ;
3162
3163                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3164                         params->optimal_seq_zones = softc->optimal_seq_zones;
3165                         params->flags |= DISK_ZONE_OPT_SEQ_SET;
3166                 }
3167
3168                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3169                         params->optimal_nonseq_zones =
3170                             softc->optimal_nonseq_zones;
3171                         params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3172                 }
3173
3174                 if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3175                         params->max_seq_zones = softc->max_seq_zones;
3176                         params->flags |= DISK_ZONE_MAX_SEQ_SET;
3177                 }
3178                 if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3179                         params->flags |= DISK_ZONE_RZ_SUP;
3180
3181                 if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3182                         params->flags |= DISK_ZONE_OPEN_SUP;
3183
3184                 if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3185                         params->flags |= DISK_ZONE_CLOSE_SUP;
3186
3187                 if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3188                         params->flags |= DISK_ZONE_FINISH_SUP;
3189
3190                 if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3191                         params->flags |= DISK_ZONE_RWP_SUP;
3192                 break;
3193         }
3194         default:
3195                 break;
3196         }
3197 bailout:
3198         return (error);
3199 }
3200
3201 static void
3202 dastart(struct cam_periph *periph, union ccb *start_ccb)
3203 {
3204         struct da_softc *softc;
3205
3206         cam_periph_assert(periph, MA_OWNED);
3207         softc = (struct da_softc *)periph->softc;
3208
3209         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3210
3211 skipstate:
3212         switch (softc->state) {
3213         case DA_STATE_NORMAL:
3214         {
3215                 struct bio *bp;
3216                 uint8_t tag_code;
3217
3218 more:
3219                 bp = cam_iosched_next_bio(softc->cam_iosched);
3220                 if (bp == NULL) {
3221                         if (cam_iosched_has_work_flags(softc->cam_iosched,
3222                             DA_WORK_TUR)) {
3223                                 softc->flags |= DA_FLAG_TUR_PENDING;
3224                                 cam_iosched_clr_work_flags(softc->cam_iosched,
3225                                     DA_WORK_TUR);
3226                                 scsi_test_unit_ready(&start_ccb->csio,
3227                                      /*retries*/ da_retry_count,
3228                                      dadone_tur,
3229                                      MSG_SIMPLE_Q_TAG,
3230                                      SSD_FULL_SIZE,
3231                                      da_default_timeout * 1000);
3232                                 start_ccb->ccb_h.ccb_bp = NULL;
3233                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3234                                 xpt_action(start_ccb);
3235                         } else
3236                                 xpt_release_ccb(start_ccb);
3237                         break;
3238                 }
3239
3240                 if (bp->bio_cmd == BIO_DELETE) {
3241                         if (softc->delete_func != NULL) {
3242                                 softc->delete_func(periph, start_ccb, bp);
3243                                 goto out;
3244                         } else {
3245                                 /*
3246                                  * Not sure this is possible, but failsafe by
3247                                  * lying and saying "sure, done."
3248                                  */
3249                                 biofinish(bp, NULL, 0);
3250                                 goto more;
3251                         }
3252                 }
3253
3254                 if (cam_iosched_has_work_flags(softc->cam_iosched,
3255                     DA_WORK_TUR)) {
3256                         cam_iosched_clr_work_flags(softc->cam_iosched,
3257                             DA_WORK_TUR);
3258                         da_periph_release_locked(periph, DA_REF_TUR);
3259                 }
3260
3261                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3262                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3263                         softc->flags &= ~DA_FLAG_NEED_OTAG;
3264                         softc->flags |= DA_FLAG_WAS_OTAG;
3265                         tag_code = MSG_ORDERED_Q_TAG;
3266                 } else {
3267                         tag_code = MSG_SIMPLE_Q_TAG;
3268                 }
3269
3270                 switch (bp->bio_cmd) {
3271                 case BIO_WRITE:
3272                 case BIO_READ:
3273                 {
3274                         void *data_ptr;
3275                         int rw_op;
3276
3277                         biotrack(bp, __func__);
3278
3279                         if (bp->bio_cmd == BIO_WRITE) {
3280                                 softc->flags |= DA_FLAG_DIRTY;
3281                                 rw_op = SCSI_RW_WRITE;
3282                         } else {
3283                                 rw_op = SCSI_RW_READ;
3284                         }
3285
3286                         data_ptr = bp->bio_data;
3287                         if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3288                                 rw_op |= SCSI_RW_BIO;
3289                                 data_ptr = bp;
3290                         }
3291
3292                         scsi_read_write(&start_ccb->csio,
3293                                         /*retries*/da_retry_count,
3294                                         /*cbfcnp*/dadone,
3295                                         /*tag_action*/tag_code,
3296                                         rw_op,
3297                                         /*byte2*/0,
3298                                         softc->minimum_cmd_size,
3299                                         /*lba*/bp->bio_pblkno,
3300                                         /*block_count*/bp->bio_bcount /
3301                                         softc->params.secsize,
3302                                         data_ptr,
3303                                         /*dxfer_len*/ bp->bio_bcount,
3304                                         /*sense_len*/SSD_FULL_SIZE,
3305                                         da_default_timeout * 1000);
3306 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3307                         start_ccb->csio.bio = bp;
3308 #endif
3309                         break;
3310                 }
3311                 case BIO_FLUSH:
3312                         /*
3313                          * If we don't support sync cache, or the disk
3314                          * isn't dirty, FLUSH is a no-op.  Use the
3315                          * allocated CCB for the next bio if one is
3316                          * available.
3317                          */
3318                         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3319                             (softc->flags & DA_FLAG_DIRTY) == 0) {
3320                                 biodone(bp);
3321                                 goto skipstate;
3322                         }
3323
3324                         /*
3325                          * BIO_FLUSH doesn't currently communicate
3326                          * range data, so we synchronize the cache
3327                          * over the whole disk.
3328                          */
3329                         scsi_synchronize_cache(&start_ccb->csio,
3330                                                /*retries*/1,
3331                                                /*cbfcnp*/dadone,
3332                                                /*tag_action*/tag_code,
3333                                                /*begin_lba*/0,
3334                                                /*lb_count*/0,
3335                                                SSD_FULL_SIZE,
3336                                                da_default_timeout*1000);
3337                         /*
3338                          * Clear the dirty flag before sending the command.
3339                          * Either this sync cache will be successful, or it
3340                          * will fail after a retry.  If it fails, it is
3341                          * unlikely to be successful if retried later, so
3342                          * we'll save ourselves time by just marking the
3343                          * device clean.
3344                          */
3345                         softc->flags &= ~DA_FLAG_DIRTY;
3346                         break;
3347                 case BIO_ZONE: {
3348                         int error, queue_ccb;
3349
3350                         queue_ccb = 0;
3351
3352                         error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3353                         if ((error != 0)
3354                          || (queue_ccb == 0)) {
3355                                 biofinish(bp, NULL, error);
3356                                 xpt_release_ccb(start_ccb);
3357                                 return;
3358                         }
3359                         break;
3360                 }
3361                 }
3362                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3363                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3364                 start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3365
3366 out:
3367                 LIST_INSERT_HEAD(&softc->pending_ccbs,
3368                                  &start_ccb->ccb_h, periph_links.le);
3369
3370                 /* We expect a unit attention from this device */
3371                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3372                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3373                         softc->flags &= ~DA_FLAG_RETRY_UA;
3374                 }
3375
3376                 start_ccb->ccb_h.ccb_bp = bp;
3377                 softc->refcount++;
3378                 cam_periph_unlock(periph);
3379                 xpt_action(start_ccb);
3380                 cam_periph_lock(periph);
3381
3382                 /* May have more work to do, so ensure we stay scheduled */
3383                 daschedule(periph);
3384                 break;
3385         }
3386         case DA_STATE_PROBE_WP:
3387         {
3388                 void  *mode_buf;
3389                 int    mode_buf_len;
3390
3391                 if (da_disable_wp_detection) {
3392                         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3393                                 softc->state = DA_STATE_PROBE_RC16;
3394                         else
3395                                 softc->state = DA_STATE_PROBE_RC;
3396                         goto skipstate;
3397                 }
3398                 mode_buf_len = 192;
3399                 mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3400                 if (mode_buf == NULL) {
3401                         xpt_print(periph->path, "Unable to send mode sense - "
3402                             "malloc failure\n");
3403                         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3404                                 softc->state = DA_STATE_PROBE_RC16;
3405                         else
3406                                 softc->state = DA_STATE_PROBE_RC;
3407                         goto skipstate;
3408                 }
3409                 scsi_mode_sense_len(&start_ccb->csio,
3410                                     /*retries*/ da_retry_count,
3411                                     /*cbfcnp*/ dadone_probewp,
3412                                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3413                                     /*dbd*/ FALSE,
3414                                     /*pc*/ SMS_PAGE_CTRL_CURRENT,
3415                                     /*page*/ SMS_ALL_PAGES_PAGE,
3416                                     /*param_buf*/ mode_buf,
3417                                     /*param_len*/ mode_buf_len,
3418                                     /*minimum_cmd_size*/ softc->minimum_cmd_size,
3419                                     /*sense_len*/ SSD_FULL_SIZE,
3420                                     /*timeout*/ da_default_timeout * 1000);
3421                 start_ccb->ccb_h.ccb_bp = NULL;
3422                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3423                 xpt_action(start_ccb);
3424                 break;
3425         }
3426         case DA_STATE_PROBE_RC:
3427         {
3428                 struct scsi_read_capacity_data *rcap;
3429
3430                 rcap = (struct scsi_read_capacity_data *)
3431                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3432                 if (rcap == NULL) {
3433                         printf("dastart: Couldn't malloc read_capacity data\n");
3434                         /* da_free_periph??? */
3435                         break;
3436                 }
3437                 scsi_read_capacity(&start_ccb->csio,
3438                                    /*retries*/da_retry_count,
3439                                    dadone_proberc,
3440                                    MSG_SIMPLE_Q_TAG,
3441                                    rcap,
3442                                    SSD_FULL_SIZE,
3443                                    /*timeout*/5000);
3444                 start_ccb->ccb_h.ccb_bp = NULL;
3445                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3446                 xpt_action(start_ccb);
3447                 break;
3448         }
3449         case DA_STATE_PROBE_RC16:
3450         {
3451                 struct scsi_read_capacity_data_long *rcaplong;
3452
3453                 rcaplong = (struct scsi_read_capacity_data_long *)
3454                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3455                 if (rcaplong == NULL) {
3456                         printf("dastart: Couldn't malloc read_capacity data\n");
3457                         /* da_free_periph??? */
3458                         break;
3459                 }
3460                 scsi_read_capacity_16(&start_ccb->csio,
3461                                       /*retries*/ da_retry_count,
3462                                       /*cbfcnp*/ dadone_proberc,
3463                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
3464                                       /*lba*/ 0,
3465                                       /*reladr*/ 0,
3466                                       /*pmi*/ 0,
3467                                       /*rcap_buf*/ (uint8_t *)rcaplong,
3468                                       /*rcap_buf_len*/ sizeof(*rcaplong),
3469                                       /*sense_len*/ SSD_FULL_SIZE,
3470                                       /*timeout*/ da_default_timeout * 1000);
3471                 start_ccb->ccb_h.ccb_bp = NULL;
3472                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3473                 xpt_action(start_ccb);
3474                 break;
3475         }
3476         case DA_STATE_PROBE_LBP:
3477         {
3478                 struct scsi_vpd_logical_block_prov *lbp;
3479
3480                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3481                         /*
3482                          * If we get here we don't support any SBC-3 delete
3483                          * methods with UNMAP as the Logical Block Provisioning
3484                          * VPD page support is required for devices which
3485                          * support it according to T10/1799-D Revision 31
3486                          * however older revisions of the spec don't mandate
3487                          * this so we currently don't remove these methods
3488                          * from the available set.
3489                          */
3490                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
3491                         goto skipstate;
3492                 }
3493
3494                 lbp = (struct scsi_vpd_logical_block_prov *)
3495                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3496
3497                 if (lbp == NULL) {
3498                         printf("dastart: Couldn't malloc lbp data\n");
3499                         /* da_free_periph??? */
3500                         break;
3501                 }
3502
3503                 scsi_inquiry(&start_ccb->csio,
3504                              /*retries*/da_retry_count,
3505                              /*cbfcnp*/dadone_probelbp,
3506                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3507                              /*inq_buf*/(u_int8_t *)lbp,
3508                              /*inq_len*/sizeof(*lbp),
3509                              /*evpd*/TRUE,
3510                              /*page_code*/SVPD_LBP,
3511                              /*sense_len*/SSD_MIN_SIZE,
3512                              /*timeout*/da_default_timeout * 1000);
3513                 start_ccb->ccb_h.ccb_bp = NULL;
3514                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3515                 xpt_action(start_ccb);
3516                 break;
3517         }
3518         case DA_STATE_PROBE_BLK_LIMITS:
3519         {
3520                 struct scsi_vpd_block_limits *block_limits;
3521
3522                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3523                         /* Not supported skip to next probe */
3524                         softc->state = DA_STATE_PROBE_BDC;
3525                         goto skipstate;
3526                 }
3527
3528                 block_limits = (struct scsi_vpd_block_limits *)
3529                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3530
3531                 if (block_limits == NULL) {
3532                         printf("dastart: Couldn't malloc block_limits data\n");
3533                         /* da_free_periph??? */
3534                         break;
3535                 }
3536
3537                 scsi_inquiry(&start_ccb->csio,
3538                              /*retries*/da_retry_count,
3539                              /*cbfcnp*/dadone_probeblklimits,
3540                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3541                              /*inq_buf*/(u_int8_t *)block_limits,
3542                              /*inq_len*/sizeof(*block_limits),
3543                              /*evpd*/TRUE,
3544                              /*page_code*/SVPD_BLOCK_LIMITS,
3545                              /*sense_len*/SSD_MIN_SIZE,
3546                              /*timeout*/da_default_timeout * 1000);
3547                 start_ccb->ccb_h.ccb_bp = NULL;
3548                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3549                 xpt_action(start_ccb);
3550                 break;
3551         }
3552         case DA_STATE_PROBE_BDC:
3553         {
3554                 struct scsi_vpd_block_characteristics *bdc;
3555
3556                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3557                         softc->state = DA_STATE_PROBE_ATA;
3558                         goto skipstate;
3559                 }
3560
3561                 bdc = (struct scsi_vpd_block_characteristics *)
3562                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3563
3564                 if (bdc == NULL) {
3565                         printf("dastart: Couldn't malloc bdc data\n");
3566                         /* da_free_periph??? */
3567                         break;
3568                 }
3569
3570                 scsi_inquiry(&start_ccb->csio,
3571                              /*retries*/da_retry_count,
3572                              /*cbfcnp*/dadone_probebdc,
3573                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3574                              /*inq_buf*/(u_int8_t *)bdc,
3575                              /*inq_len*/sizeof(*bdc),
3576                              /*evpd*/TRUE,
3577                              /*page_code*/SVPD_BDC,
3578                              /*sense_len*/SSD_MIN_SIZE,
3579                              /*timeout*/da_default_timeout * 1000);
3580                 start_ccb->ccb_h.ccb_bp = NULL;
3581                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3582                 xpt_action(start_ccb);
3583                 break;
3584         }
3585         case DA_STATE_PROBE_ATA:
3586         {
3587                 struct ata_params *ata_params;
3588
3589                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3590                         if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3591                          || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3592                                 /*
3593                                  * Note that if the ATA VPD page isn't
3594                                  * supported, we aren't talking to an ATA
3595                                  * device anyway.  Support for that VPD
3596                                  * page is mandatory for SCSI to ATA (SAT)
3597                                  * translation layers.
3598                                  */
3599                                 softc->state = DA_STATE_PROBE_ZONE;
3600                                 goto skipstate;
3601                         }
3602                         daprobedone(periph, start_ccb);
3603                         break;
3604                 }
3605
3606                 ata_params = (struct ata_params*)
3607                         malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3608
3609                 if (ata_params == NULL) {
3610                         xpt_print(periph->path, "Couldn't malloc ata_params "
3611                             "data\n");
3612                         /* da_free_periph??? */
3613                         break;
3614                 }
3615
3616                 scsi_ata_identify(&start_ccb->csio,
3617                                   /*retries*/da_retry_count,
3618                                   /*cbfcnp*/dadone_probeata,
3619                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3620                                   /*data_ptr*/(u_int8_t *)ata_params,
3621                                   /*dxfer_len*/sizeof(*ata_params),
3622                                   /*sense_len*/SSD_FULL_SIZE,
3623                                   /*timeout*/da_default_timeout * 1000);
3624                 start_ccb->ccb_h.ccb_bp = NULL;
3625                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3626                 xpt_action(start_ccb);
3627                 break;
3628         }
3629         case DA_STATE_PROBE_ATA_LOGDIR:
3630         {
3631                 struct ata_gp_log_dir *log_dir;
3632                 int retval;
3633
3634                 retval = 0;
3635
3636                 if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3637                         /*
3638                          * If we don't have log support, not much point in
3639                          * trying to probe zone support.
3640                          */
3641                         daprobedone(periph, start_ccb);
3642                         break;
3643                 }
3644
3645                 /*
3646                  * If we have an ATA device (the SCSI ATA Information VPD
3647                  * page should be present and the ATA identify should have
3648                  * succeeded) and it supports logs, ask for the log directory.
3649                  */
3650
3651                 log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3652                 if (log_dir == NULL) {
3653                         xpt_print(periph->path, "Couldn't malloc log_dir "
3654                             "data\n");
3655                         daprobedone(periph, start_ccb);
3656                         break;
3657                 }
3658
3659                 retval = scsi_ata_read_log(&start_ccb->csio,
3660                     /*retries*/ da_retry_count,
3661                     /*cbfcnp*/ dadone_probeatalogdir,
3662                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3663                     /*log_address*/ ATA_LOG_DIRECTORY,
3664                     /*page_number*/ 0,
3665                     /*block_count*/ 1,
3666                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3667                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3668                     /*data_ptr*/ (uint8_t *)log_dir,
3669                     /*dxfer_len*/ sizeof(*log_dir),
3670                     /*sense_len*/ SSD_FULL_SIZE,
3671                     /*timeout*/ da_default_timeout * 1000);
3672
3673                 if (retval != 0) {
3674                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3675                         free(log_dir, M_SCSIDA);
3676                         daprobedone(periph, start_ccb);
3677                         break;
3678                 }
3679                 start_ccb->ccb_h.ccb_bp = NULL;
3680                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3681                 xpt_action(start_ccb);
3682                 break;
3683         }
3684         case DA_STATE_PROBE_ATA_IDDIR:
3685         {
3686                 struct ata_identify_log_pages *id_dir;
3687                 int retval;
3688
3689                 retval = 0;
3690
3691                 /*
3692                  * Check here to see whether the Identify Device log is
3693                  * supported in the directory of logs.  If so, continue
3694                  * with requesting the log of identify device pages.
3695                  */
3696                 if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3697                         daprobedone(periph, start_ccb);
3698                         break;
3699                 }
3700
3701                 id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3702                 if (id_dir == NULL) {
3703                         xpt_print(periph->path, "Couldn't malloc id_dir "
3704                             "data\n");
3705                         daprobedone(periph, start_ccb);
3706                         break;
3707                 }
3708
3709                 retval = scsi_ata_read_log(&start_ccb->csio,
3710                     /*retries*/ da_retry_count,
3711                     /*cbfcnp*/ dadone_probeataiddir,
3712                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3713                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3714                     /*page_number*/ ATA_IDL_PAGE_LIST,
3715                     /*block_count*/ 1,
3716                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3717                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3718                     /*data_ptr*/ (uint8_t *)id_dir,
3719                     /*dxfer_len*/ sizeof(*id_dir),
3720                     /*sense_len*/ SSD_FULL_SIZE,
3721                     /*timeout*/ da_default_timeout * 1000);
3722
3723                 if (retval != 0) {
3724                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3725                         free(id_dir, M_SCSIDA);
3726                         daprobedone(periph, start_ccb);
3727                         break;
3728                 }
3729                 start_ccb->ccb_h.ccb_bp = NULL;
3730                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3731                 xpt_action(start_ccb);
3732                 break;
3733         }
3734         case DA_STATE_PROBE_ATA_SUP:
3735         {
3736                 struct ata_identify_log_sup_cap *sup_cap;
3737                 int retval;
3738
3739                 retval = 0;
3740
3741                 /*
3742                  * Check here to see whether the Supported Capabilities log
3743                  * is in the list of Identify Device logs.
3744                  */
3745                 if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3746                         daprobedone(periph, start_ccb);
3747                         break;
3748                 }
3749
3750                 sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3751                 if (sup_cap == NULL) {
3752                         xpt_print(periph->path, "Couldn't malloc sup_cap "
3753                             "data\n");
3754                         daprobedone(periph, start_ccb);
3755                         break;
3756                 }
3757
3758                 retval = scsi_ata_read_log(&start_ccb->csio,
3759                     /*retries*/ da_retry_count,
3760                     /*cbfcnp*/ dadone_probeatasup,
3761                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3762                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3763                     /*page_number*/ ATA_IDL_SUP_CAP,
3764                     /*block_count*/ 1,
3765                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3766                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3767                     /*data_ptr*/ (uint8_t *)sup_cap,
3768                     /*dxfer_len*/ sizeof(*sup_cap),
3769                     /*sense_len*/ SSD_FULL_SIZE,
3770                     /*timeout*/ da_default_timeout * 1000);
3771
3772                 if (retval != 0) {
3773                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3774                         free(sup_cap, M_SCSIDA);
3775                         daprobedone(periph, start_ccb);
3776                         break;
3777
3778                 }
3779
3780                 start_ccb->ccb_h.ccb_bp = NULL;
3781                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3782                 xpt_action(start_ccb);
3783                 break;
3784         }
3785         case DA_STATE_PROBE_ATA_ZONE:
3786         {
3787                 struct ata_zoned_info_log *ata_zone;
3788                 int retval;
3789
3790                 retval = 0;
3791
3792                 /*
3793                  * Check here to see whether the zoned device information
3794                  * page is supported.  If so, continue on to request it.
3795                  * If not, skip to DA_STATE_PROBE_LOG or done.
3796                  */
3797                 if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3798                         daprobedone(periph, start_ccb);
3799                         break;
3800                 }
3801                 ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3802                                   M_NOWAIT|M_ZERO);
3803                 if (ata_zone == NULL) {
3804                         xpt_print(periph->path, "Couldn't malloc ata_zone "
3805                             "data\n");
3806                         daprobedone(periph, start_ccb);
3807                         break;
3808                 }
3809
3810                 retval = scsi_ata_read_log(&start_ccb->csio,
3811                     /*retries*/ da_retry_count,
3812                     /*cbfcnp*/ dadone_probeatazone,
3813                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3814                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3815                     /*page_number*/ ATA_IDL_ZDI,
3816                     /*block_count*/ 1,
3817                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3818                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3819                     /*data_ptr*/ (uint8_t *)ata_zone,
3820                     /*dxfer_len*/ sizeof(*ata_zone),
3821                     /*sense_len*/ SSD_FULL_SIZE,
3822                     /*timeout*/ da_default_timeout * 1000);
3823
3824                 if (retval != 0) {
3825                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3826                         free(ata_zone, M_SCSIDA);
3827                         daprobedone(periph, start_ccb);
3828                         break;
3829                 }
3830                 start_ccb->ccb_h.ccb_bp = NULL;
3831                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3832                 xpt_action(start_ccb);
3833
3834                 break;
3835         }
3836         case DA_STATE_PROBE_ZONE:
3837         {
3838                 struct scsi_vpd_zoned_bdc *bdc;
3839
3840                 /*
3841                  * Note that this page will be supported for SCSI protocol
3842                  * devices that support ZBC (SMR devices), as well as ATA
3843                  * protocol devices that are behind a SAT (SCSI to ATA
3844                  * Translation) layer that supports converting ZBC commands
3845                  * to their ZAC equivalents.
3846                  */
3847                 if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3848                         daprobedone(periph, start_ccb);
3849                         break;
3850                 }
3851                 bdc = (struct scsi_vpd_zoned_bdc *)
3852                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3853
3854                 if (bdc == NULL) {
3855                         xpt_release_ccb(start_ccb);
3856                         xpt_print(periph->path, "Couldn't malloc zone VPD "
3857                             "data\n");
3858                         break;
3859                 }
3860                 scsi_inquiry(&start_ccb->csio,
3861                              /*retries*/da_retry_count,
3862                              /*cbfcnp*/dadone_probezone,
3863                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3864                              /*inq_buf*/(u_int8_t *)bdc,
3865                              /*inq_len*/sizeof(*bdc),
3866                              /*evpd*/TRUE,
3867                              /*page_code*/SVPD_ZONED_BDC,
3868                              /*sense_len*/SSD_FULL_SIZE,
3869                              /*timeout*/da_default_timeout * 1000);
3870                 start_ccb->ccb_h.ccb_bp = NULL;
3871                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3872                 xpt_action(start_ccb);
3873                 break;
3874         }
3875         }
3876 }
3877
3878 /*
3879  * In each of the methods below, while its the caller's
3880  * responsibility to ensure the request will fit into a
3881  * single device request, we might have changed the delete
3882  * method due to the device incorrectly advertising either
3883  * its supported methods or limits.
3884  *
3885  * To prevent this causing further issues we validate the
3886  * against the methods limits, and warn which would
3887  * otherwise be unnecessary.
3888  */
3889 static void
3890 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3891 {
3892         struct da_softc *softc = (struct da_softc *)periph->softc;;
3893         struct bio *bp1;
3894         uint8_t *buf = softc->unmap_buf;
3895         struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3896         uint64_t lba, lastlba = (uint64_t)-1;
3897         uint64_t totalcount = 0;
3898         uint64_t count;
3899         uint32_t c, lastcount = 0, ranges = 0;
3900
3901         /*
3902          * Currently this doesn't take the UNMAP
3903          * Granularity and Granularity Alignment
3904          * fields into account.
3905          *
3906          * This could result in both unoptimal unmap
3907          * requests as as well as UNMAP calls unmapping
3908          * fewer LBA's than requested.
3909          */
3910
3911         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3912         bp1 = bp;
3913         do {
3914                 /*
3915                  * Note: ada and da are different in how they store the
3916                  * pending bp's in a trim. ada stores all of them in the
3917                  * trim_req.bps. da stores all but the first one in the
3918                  * delete_run_queue. ada then completes all the bps in
3919                  * its adadone() loop. da completes all the bps in the
3920                  * delete_run_queue in dadone, and relies on the biodone
3921                  * after to complete. This should be reconciled since there's
3922                  * no real reason to do it differently. XXX
3923                  */
3924                 if (bp1 != bp)
3925                         bioq_insert_tail(&softc->delete_run_queue, bp1);
3926                 lba = bp1->bio_pblkno;
3927                 count = bp1->bio_bcount / softc->params.secsize;
3928
3929                 /* Try to extend the previous range. */
3930                 if (lba == lastlba) {
3931                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
3932                         lastlba += c;
3933                         lastcount += c;
3934                         scsi_ulto4b(lastcount, d[ranges - 1].length);
3935                         count -= c;
3936                         lba += c;
3937                         totalcount += c;
3938                 } else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
3939                     softc->unmap_gran != 0) {
3940                         /* Align length of the previous range. */
3941                         if ((c = lastcount % softc->unmap_gran) != 0) {
3942                                 if (lastcount <= c) {
3943                                         totalcount -= lastcount;
3944                                         lastlba = (uint64_t)-1;
3945                                         lastcount = 0;
3946                                         ranges--;
3947                                 } else {
3948                                         totalcount -= c;
3949                                         lastlba -= c;
3950                                         lastcount -= c;
3951                                         scsi_ulto4b(lastcount,
3952                                             d[ranges - 1].length);
3953                                 }
3954                         }
3955                         /* Align beginning of the new range. */
3956                         c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
3957                         if (c != 0) {
3958                                 c = softc->unmap_gran - c;
3959                                 if (count <= c) {
3960                                         count = 0;
3961                                 } else {
3962                                         lba += c;
3963                                         count -= c;
3964                                 }
3965                         }
3966                 }
3967
3968                 while (count > 0) {
3969                         c = omin(count, UNMAP_RANGE_MAX);
3970                         if (totalcount + c > softc->unmap_max_lba ||
3971                             ranges >= softc->unmap_max_ranges) {
3972                                 xpt_print(periph->path,
3973                                     "%s issuing short delete %ld > %ld"
3974                                     "|| %d >= %d",
3975                                     da_delete_method_desc[softc->delete_method],
3976                                     totalcount + c, softc->unmap_max_lba,
3977                                     ranges, softc->unmap_max_ranges);
3978                                 break;
3979                         }
3980                         scsi_u64to8b(lba, d[ranges].lba);
3981                         scsi_ulto4b(c, d[ranges].length);
3982                         lba += c;
3983                         totalcount += c;
3984                         ranges++;
3985                         count -= c;
3986                         lastlba = lba;
3987                         lastcount = c;
3988                 }
3989                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
3990                 if (bp1 == NULL)
3991                         break;
3992                 if (ranges >= softc->unmap_max_ranges ||
3993                     totalcount + bp1->bio_bcount /
3994                     softc->params.secsize > softc->unmap_max_lba) {
3995                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3996                         break;
3997                 }
3998         } while (1);
3999
4000         /* Align length of the last range. */
4001         if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4002             (c = lastcount % softc->unmap_gran) != 0) {
4003                 if (lastcount <= c)
4004                         ranges--;
4005                 else
4006                         scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4007         }
4008
4009         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4010         scsi_ulto2b(ranges * 16, &buf[2]);
4011
4012         scsi_unmap(&ccb->csio,
4013                    /*retries*/da_retry_count,
4014                    /*cbfcnp*/dadone,
4015                    /*tag_action*/MSG_SIMPLE_Q_TAG,
4016                    /*byte2*/0,
4017                    /*data_ptr*/ buf,
4018                    /*dxfer_len*/ ranges * 16 + 8,
4019                    /*sense_len*/SSD_FULL_SIZE,
4020                    da_default_timeout * 1000);
4021         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4022         ccb->ccb_h.flags |= CAM_UNLOCKED;
4023         softc->trim_count++;
4024         softc->trim_ranges += ranges;
4025         softc->trim_lbas += totalcount;
4026         cam_iosched_submit_trim(softc->cam_iosched);
4027 }
4028
4029 static void
4030 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4031 {
4032         struct da_softc *softc = (struct da_softc *)periph->softc;
4033         struct bio *bp1;
4034         uint8_t *buf = softc->unmap_buf;
4035         uint64_t lastlba = (uint64_t)-1;
4036         uint64_t count;
4037         uint64_t lba;
4038         uint32_t lastcount = 0, c, requestcount;
4039         int ranges = 0, off, block_count;
4040
4041         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4042         bp1 = bp;
4043         do {
4044                 if (bp1 != bp)//XXX imp XXX
4045                         bioq_insert_tail(&softc->delete_run_queue, bp1);
4046                 lba = bp1->bio_pblkno;
4047                 count = bp1->bio_bcount / softc->params.secsize;
4048                 requestcount = count;
4049
4050                 /* Try to extend the previous range. */
4051                 if (lba == lastlba) {
4052                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4053                         lastcount += c;
4054                         off = (ranges - 1) * 8;
4055                         buf[off + 6] = lastcount & 0xff;
4056                         buf[off + 7] = (lastcount >> 8) & 0xff;
4057                         count -= c;
4058                         lba += c;
4059                 }
4060
4061                 while (count > 0) {
4062                         c = omin(count, ATA_DSM_RANGE_MAX);
4063                         off = ranges * 8;
4064
4065                         buf[off + 0] = lba & 0xff;
4066                         buf[off + 1] = (lba >> 8) & 0xff;
4067                         buf[off + 2] = (lba >> 16) & 0xff;
4068                         buf[off + 3] = (lba >> 24) & 0xff;
4069                         buf[off + 4] = (lba >> 32) & 0xff;
4070                         buf[off + 5] = (lba >> 40) & 0xff;
4071                         buf[off + 6] = c & 0xff;
4072                         buf[off + 7] = (c >> 8) & 0xff;
4073                         lba += c;
4074                         ranges++;
4075                         count -= c;
4076                         lastcount = c;
4077                         if (count != 0 && ranges == softc->trim_max_ranges) {
4078                                 xpt_print(periph->path,
4079                                     "%s issuing short delete %ld > %ld\n",
4080                                     da_delete_method_desc[softc->delete_method],
4081                                     requestcount,
4082                                     (softc->trim_max_ranges - ranges) *
4083                                     ATA_DSM_RANGE_MAX);
4084                                 break;
4085                         }
4086                 }
4087                 lastlba = lba;
4088                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
4089                 if (bp1 == NULL)
4090                         break;
4091                 if (bp1->bio_bcount / softc->params.secsize >
4092                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4093                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4094                         break;
4095                 }
4096         } while (1);
4097
4098         block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4099         scsi_ata_trim(&ccb->csio,
4100                       /*retries*/da_retry_count,
4101                       /*cbfcnp*/dadone,
4102                       /*tag_action*/MSG_SIMPLE_Q_TAG,
4103                       block_count,
4104                       /*data_ptr*/buf,
4105                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4106                       /*sense_len*/SSD_FULL_SIZE,
4107                       da_default_timeout * 1000);
4108         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4109         ccb->ccb_h.flags |= CAM_UNLOCKED;
4110         cam_iosched_submit_trim(softc->cam_iosched);
4111 }
4112
4113 /*
4114  * We calculate ws_max_blks here based off d_delmaxsize instead
4115  * of using softc->ws_max_blks as it is absolute max for the
4116  * device not the protocol max which may well be lower.
4117  */
4118 static void
4119 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4120 {
4121         struct da_softc *softc;
4122         struct bio *bp1;
4123         uint64_t ws_max_blks;
4124         uint64_t lba;
4125         uint64_t count; /* forward compat with WS32 */
4126
4127         softc = (struct da_softc *)periph->softc;
4128         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4129         lba = bp->bio_pblkno;
4130         count = 0;
4131         bp1 = bp;
4132         do {
4133                 if (bp1 != bp)//XXX imp XXX
4134                         bioq_insert_tail(&softc->delete_run_queue, bp1);
4135                 count += bp1->bio_bcount / softc->params.secsize;
4136                 if (count > ws_max_blks) {
4137                         xpt_print(periph->path,
4138                             "%s issuing short delete %ld > %ld\n",
4139                             da_delete_method_desc[softc->delete_method],
4140                             count, ws_max_blks);
4141                         count = omin(count, ws_max_blks);
4142                         break;
4143                 }
4144                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
4145                 if (bp1 == NULL)
4146                         break;
4147                 if (lba + count != bp1->bio_pblkno ||
4148                     count + bp1->bio_bcount /
4149                     softc->params.secsize > ws_max_blks) {
4150                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4151                         break;
4152                 }
4153         } while (1);
4154
4155         scsi_write_same(&ccb->csio,
4156                         /*retries*/da_retry_count,
4157                         /*cbfcnp*/dadone,
4158                         /*tag_action*/MSG_SIMPLE_Q_TAG,
4159                         /*byte2*/softc->delete_method ==
4160                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4161                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4162                         /*lba*/lba,
4163                         /*block_count*/count,
4164                         /*data_ptr*/ __DECONST(void *, zero_region),
4165                         /*dxfer_len*/ softc->params.secsize,
4166                         /*sense_len*/SSD_FULL_SIZE,
4167                         da_default_timeout * 1000);
4168         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4169         ccb->ccb_h.flags |= CAM_UNLOCKED;
4170         cam_iosched_submit_trim(softc->cam_iosched);
4171 }
4172
4173 static int
4174 cmd6workaround(union ccb *ccb)
4175 {
4176         struct scsi_rw_6 cmd6;
4177         struct scsi_rw_10 *cmd10;
4178         struct da_softc *softc;
4179         u_int8_t *cdb;
4180         struct bio *bp;
4181         int frozen;
4182
4183         cdb = ccb->csio.cdb_io.cdb_bytes;
4184         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4185
4186         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4187                 da_delete_methods old_method = softc->delete_method;
4188
4189                 /*
4190                  * Typically there are two reasons for failure here
4191                  * 1. Delete method was detected as supported but isn't
4192                  * 2. Delete failed due to invalid params e.g. too big
4193                  *
4194                  * While we will attempt to choose an alternative delete method
4195                  * this may result in short deletes if the existing delete
4196                  * requests from geom are big for the new method chosen.
4197                  *
4198                  * This method assumes that the error which triggered this
4199                  * will not retry the io otherwise a panic will occur
4200                  */
4201                 dadeleteflag(softc, old_method, 0);
4202                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4203                 if (softc->delete_method == DA_DELETE_DISABLE)
4204                         xpt_print(ccb->ccb_h.path,
4205                                   "%s failed, disabling BIO_DELETE\n",
4206                                   da_delete_method_desc[old_method]);
4207                 else
4208                         xpt_print(ccb->ccb_h.path,
4209                                   "%s failed, switching to %s BIO_DELETE\n",
4210                                   da_delete_method_desc[old_method],
4211                                   da_delete_method_desc[softc->delete_method]);
4212
4213                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4214                         cam_iosched_queue_work(softc->cam_iosched, bp);
4215                 cam_iosched_queue_work(softc->cam_iosched,
4216                     (struct bio *)ccb->ccb_h.ccb_bp);
4217                 ccb->ccb_h.ccb_bp = NULL;
4218                 return (0);
4219         }
4220
4221         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4222         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4223             (*cdb == PREVENT_ALLOW) &&
4224             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4225                 if (bootverbose)
4226                         xpt_print(ccb->ccb_h.path,
4227                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4228                 softc->quirks |= DA_Q_NO_PREVENT;
4229                 return (0);
4230         }
4231
4232         /* Detect unsupported SYNCHRONIZE CACHE(10). */
4233         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4234             (*cdb == SYNCHRONIZE_CACHE) &&
4235             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4236                 if (bootverbose)
4237                         xpt_print(ccb->ccb_h.path,
4238                             "SYNCHRONIZE CACHE(10) not supported.\n");
4239                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
4240                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4241                 return (0);
4242         }
4243
4244         /* Translation only possible if CDB is an array and cmd is R/W6 */
4245         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4246             (*cdb != READ_6 && *cdb != WRITE_6))
4247                 return 0;
4248
4249         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4250             "increasing minimum_cmd_size to 10.\n");
4251         softc->minimum_cmd_size = 10;
4252
4253         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4254         cmd10 = (struct scsi_rw_10 *)cdb;
4255         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4256         cmd10->byte2 = 0;
4257         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4258         cmd10->reserved = 0;
4259         scsi_ulto2b(cmd6.length, cmd10->length);
4260         cmd10->control = cmd6.control;
4261         ccb->csio.cdb_len = sizeof(*cmd10);
4262
4263         /* Requeue request, unfreezing queue if necessary */
4264         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4265         ccb->ccb_h.status = CAM_REQUEUE_REQ;
4266         xpt_action(ccb);
4267         if (frozen) {
4268                 cam_release_devq(ccb->ccb_h.path,
4269                                  /*relsim_flags*/0,
4270                                  /*reduction*/0,
4271                                  /*timeout*/0,
4272                                  /*getcount_only*/0);
4273         }
4274         return (ERESTART);
4275 }
4276
4277 static void
4278 dazonedone(struct cam_periph *periph, union ccb *ccb)
4279 {
4280         struct da_softc *softc;
4281         struct bio *bp;
4282
4283         softc = periph->softc;
4284         bp = (struct bio *)ccb->ccb_h.ccb_bp;
4285
4286         switch (bp->bio_zone.zone_cmd) {
4287         case DISK_ZONE_OPEN:
4288         case DISK_ZONE_CLOSE:
4289         case DISK_ZONE_FINISH:
4290         case DISK_ZONE_RWP:
4291                 break;
4292         case DISK_ZONE_REPORT_ZONES: {
4293                 uint32_t avail_len;
4294                 struct disk_zone_report *rep;
4295                 struct scsi_report_zones_hdr *hdr;
4296                 struct scsi_report_zones_desc *desc;
4297                 struct disk_zone_rep_entry *entry;
4298                 uint32_t hdr_len, num_avail;
4299                 uint32_t num_to_fill, i;
4300                 int ata;
4301
4302                 rep = &bp->bio_zone.zone_params.report;
4303                 avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4304                 /*
4305                  * Note that bio_resid isn't normally used for zone
4306                  * commands, but it is used by devstat_end_transaction_bio()
4307                  * to determine how much data was transferred.  Because
4308                  * the size of the SCSI/ATA data structures is different
4309                  * than the size of the BIO interface structures, the
4310                  * amount of data actually transferred from the drive will
4311                  * be different than the amount of data transferred to
4312                  * the user.
4313                  */
4314                 bp->bio_resid = ccb->csio.resid;
4315                 hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4316                 if (avail_len < sizeof(*hdr)) {
4317                         /*
4318                          * Is there a better error than EIO here?  We asked
4319                          * for at least the header, and we got less than
4320                          * that.
4321                          */
4322                         bp->bio_error = EIO;
4323                         bp->bio_flags |= BIO_ERROR;
4324                         bp->bio_resid = bp->bio_bcount;
4325                         break;
4326                 }
4327
4328                 if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4329                         ata = 1;
4330                 else
4331                         ata = 0;
4332
4333                 hdr_len = ata ? le32dec(hdr->length) :
4334                                 scsi_4btoul(hdr->length);
4335                 if (hdr_len > 0)
4336                         rep->entries_available = hdr_len / sizeof(*desc);
4337                 else
4338                         rep->entries_available = 0;
4339                 /*
4340                  * NOTE: using the same values for the BIO version of the
4341                  * same field as the SCSI/ATA values.  This means we could
4342                  * get some additional values that aren't defined in bio.h
4343                  * if more values of the same field are defined later.
4344                  */
4345                 rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4346                 rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4347                                           scsi_8btou64(hdr->maximum_lba);
4348                 /*
4349                  * If the drive reports no entries that match the query,
4350                  * we're done.
4351                  */
4352                 if (hdr_len == 0) {
4353                         rep->entries_filled = 0;
4354                         break;
4355                 }
4356
4357                 num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4358                                 hdr_len / sizeof(*desc));
4359                 /*
4360                  * If the drive didn't return any data, then we're done.
4361                  */
4362                 if (num_avail == 0) {
4363                         rep->entries_filled = 0;
4364                         break;
4365                 }
4366
4367                 num_to_fill = min(num_avail, rep->entries_allocated);
4368                 /*
4369                  * If the user didn't allocate any entries for us to fill,
4370                  * we're done.
4371                  */
4372                 if (num_to_fill == 0) {
4373                         rep->entries_filled = 0;
4374                         break;
4375                 }
4376
4377                 for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4378                      i < num_to_fill; i++, desc++, entry++) {
4379                         /*
4380                          * NOTE: we're mapping the values here directly
4381                          * from the SCSI/ATA bit definitions to the bio.h
4382                          * definitons.  There is also a warning in
4383                          * disk_zone.h, but the impact is that if
4384                          * additional values are added in the SCSI/ATA
4385                          * specs these will be visible to consumers of
4386                          * this interface.
4387                          */
4388                         entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4389                         entry->zone_condition =
4390                             (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4391                             SRZ_ZONE_COND_SHIFT;
4392                         entry->zone_flags |= desc->zone_flags &
4393                             (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4394                         entry->zone_length =
4395                             ata ? le64dec(desc->zone_length) :
4396                                   scsi_8btou64(desc->zone_length);
4397                         entry->zone_start_lba =
4398                             ata ? le64dec(desc->zone_start_lba) :
4399                                   scsi_8btou64(desc->zone_start_lba);
4400                         entry->write_pointer_lba =
4401                             ata ? le64dec(desc->write_pointer_lba) :
4402                                   scsi_8btou64(desc->write_pointer_lba);
4403                 }
4404                 rep->entries_filled = num_to_fill;
4405                 break;
4406         }
4407         case DISK_ZONE_GET_PARAMS:
4408         default:
4409                 /*
4410                  * In theory we should not get a GET_PARAMS bio, since it
4411                  * should be handled without queueing the command to the
4412                  * drive.
4413                  */
4414                 panic("%s: Invalid zone command %d", __func__,
4415                     bp->bio_zone.zone_cmd);
4416                 break;
4417         }
4418
4419         if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4420                 free(ccb->csio.data_ptr, M_SCSIDA);
4421 }
4422
4423 static void
4424 dadone(struct cam_periph *periph, union ccb *done_ccb)
4425 {
4426         struct bio *bp, *bp1;
4427         struct da_softc *softc;
4428         struct ccb_scsiio *csio;
4429         u_int32_t  priority;
4430         da_ccb_state state;
4431
4432         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4433
4434         softc = (struct da_softc *)periph->softc;
4435         priority = done_ccb->ccb_h.pinfo.priority;
4436         csio = &done_ccb->csio;
4437
4438 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4439         if (csio->bio != NULL)
4440                 biotrack(csio->bio, __func__);
4441 #endif
4442         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4443
4444         cam_periph_lock(periph);
4445         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4446         if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4447                 int error;
4448                 int sf;
4449
4450                 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4451                         sf = SF_RETRY_UA;
4452                 else
4453                         sf = 0;
4454
4455                 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4456                 if (error == ERESTART) {
4457                         /* A retry was scheduled, so just return. */
4458                         cam_periph_unlock(periph);
4459                         return;
4460                 }
4461                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4462                 if (error != 0) {
4463                         int queued_error;
4464
4465                         /*
4466                          * return all queued I/O with EIO, so that
4467                          * the client can retry these I/Os in the
4468                          * proper order should it attempt to recover.
4469                          */
4470                         queued_error = EIO;
4471
4472                         if (error == ENXIO
4473                          && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4474                                 /*
4475                                  * Catastrophic error.  Mark our pack as
4476                                  * invalid.
4477                                  *
4478                                  * XXX See if this is really a media
4479                                  * XXX change first?
4480                                  */
4481                                 xpt_print(periph->path, "Invalidating pack\n");
4482                                 softc->flags |= DA_FLAG_PACK_INVALID;
4483 #ifdef CAM_IO_STATS
4484                                 softc->invalidations++;
4485 #endif
4486                                 queued_error = ENXIO;
4487                         }
4488                         cam_iosched_flush(softc->cam_iosched, NULL,
4489                            queued_error);
4490                         if (bp != NULL) {
4491                                 bp->bio_error = error;
4492                                 bp->bio_resid = bp->bio_bcount;
4493                                 bp->bio_flags |= BIO_ERROR;
4494                         }
4495                 } else if (bp != NULL) {
4496                         if (state == DA_CCB_DELETE)
4497                                 bp->bio_resid = 0;
4498                         else
4499                                 bp->bio_resid = csio->resid;
4500                         bp->bio_error = 0;
4501                         if (bp->bio_resid != 0)
4502                                 bp->bio_flags |= BIO_ERROR;
4503                 }
4504                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4505                         cam_release_devq(done_ccb->ccb_h.path,
4506                                          /*relsim_flags*/0,
4507                                          /*reduction*/0,
4508                                          /*timeout*/0,
4509                                          /*getcount_only*/0);
4510         } else if (bp != NULL) {
4511                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4512                         panic("REQ_CMP with QFRZN");
4513                 if (bp->bio_cmd == BIO_ZONE)
4514                         dazonedone(periph, done_ccb);
4515                 else if (state == DA_CCB_DELETE)
4516                         bp->bio_resid = 0;
4517                 else
4518                         bp->bio_resid = csio->resid;
4519                 if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4520                         bp->bio_flags |= BIO_ERROR;
4521                 if (softc->error_inject != 0) {
4522                         bp->bio_error = softc->error_inject;
4523                         bp->bio_resid = bp->bio_bcount;
4524                         bp->bio_flags |= BIO_ERROR;
4525                         softc->error_inject = 0;
4526                 }
4527         }
4528
4529         if (bp != NULL)
4530                 biotrack(bp, __func__);
4531         LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4532         if (LIST_EMPTY(&softc->pending_ccbs))
4533                 softc->flags |= DA_FLAG_WAS_OTAG;
4534
4535         /*
4536          * We need to call cam_iosched before we call biodone so that we don't
4537          * measure any activity that happens in the completion routine, which in
4538          * the case of sendfile can be quite extensive. Release the periph
4539          * refcount taken in dastart() for each CCB.
4540          */
4541         cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4542         xpt_release_ccb(done_ccb);
4543         KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4544         softc->refcount--;
4545         if (state == DA_CCB_DELETE) {
4546                 TAILQ_HEAD(, bio) queue;
4547
4548                 TAILQ_INIT(&queue);
4549                 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4550                 softc->delete_run_queue.insert_point = NULL;
4551                 /*
4552                  * Normally, the xpt_release_ccb() above would make sure
4553                  * that when we have more work to do, that work would
4554                  * get kicked off. However, we specifically keep
4555                  * delete_running set to 0 before the call above to
4556                  * allow other I/O to progress when many BIO_DELETE
4557                  * requests are pushed down. We set delete_running to 0
4558                  * and call daschedule again so that we don't stall if
4559                  * there are no other I/Os pending apart from BIO_DELETEs.
4560                  */
4561                 cam_iosched_trim_done(softc->cam_iosched);
4562                 daschedule(periph);
4563                 cam_periph_unlock(periph);
4564                 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4565                         TAILQ_REMOVE(&queue, bp1, bio_queue);
4566                         bp1->bio_error = bp->bio_error;
4567                         if (bp->bio_flags & BIO_ERROR) {
4568                                 bp1->bio_flags |= BIO_ERROR;
4569                                 bp1->bio_resid = bp1->bio_bcount;
4570                         } else
4571                                 bp1->bio_resid = 0;
4572                         biodone(bp1);
4573                 }
4574         } else {
4575                 daschedule(periph);
4576                 cam_periph_unlock(periph);
4577         }
4578         if (bp != NULL)
4579                 biodone(bp);
4580         return;
4581 }
4582
4583 static void
4584 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4585 {
4586         struct scsi_mode_header_6 *mode_hdr6;
4587         struct scsi_mode_header_10 *mode_hdr10;
4588         struct da_softc *softc;
4589         struct ccb_scsiio *csio;
4590         u_int32_t  priority;
4591         uint8_t dev_spec;
4592
4593         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4594
4595         softc = (struct da_softc *)periph->softc;
4596         priority = done_ccb->ccb_h.pinfo.priority;
4597         csio = &done_ccb->csio;
4598
4599         cam_periph_assert(periph, MA_OWNED);
4600
4601         if (softc->minimum_cmd_size > 6) {
4602                 mode_hdr10 = (struct scsi_mode_header_10 *)csio->data_ptr;
4603                 dev_spec = mode_hdr10->dev_spec;
4604         } else {
4605                 mode_hdr6 = (struct scsi_mode_header_6 *)csio->data_ptr;
4606                 dev_spec = mode_hdr6->dev_spec;
4607         }
4608         if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4609                 if ((dev_spec & 0x80) != 0)
4610                         softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4611                 else
4612                         softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4613         } else {
4614                 int error;
4615
4616                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4617                                 SF_RETRY_UA|SF_NO_PRINT);
4618                 if (error == ERESTART)
4619                         return;
4620                 else if (error != 0) {
4621                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4622                                 /* Don't wedge this device's queue */
4623                                 cam_release_devq(done_ccb->ccb_h.path,
4624                                                  /*relsim_flags*/0,
4625                                                  /*reduction*/0,
4626                                                  /*timeout*/0,
4627                                                  /*getcount_only*/0);
4628                         }
4629                 }
4630         }
4631
4632         free(csio->data_ptr, M_SCSIDA);
4633         xpt_release_ccb(done_ccb);
4634         if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4635                 softc->state = DA_STATE_PROBE_RC16;
4636         else
4637                 softc->state = DA_STATE_PROBE_RC;
4638         xpt_schedule(periph, priority);
4639         return;
4640 }
4641
4642 static void
4643 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4644 {
4645         struct scsi_read_capacity_data *rdcap;
4646         struct scsi_read_capacity_data_long *rcaplong;
4647         struct da_softc *softc;
4648         struct ccb_scsiio *csio;
4649         da_ccb_state state;
4650         char *announce_buf;
4651         u_int32_t  priority;
4652         int lbp;
4653
4654         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4655
4656         softc = (struct da_softc *)periph->softc;
4657         priority = done_ccb->ccb_h.pinfo.priority;
4658         csio = &done_ccb->csio;
4659         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4660
4661         lbp = 0;
4662         rdcap = NULL;
4663         rcaplong = NULL;
4664         /* XXX TODO: can this be a malloc? */
4665         announce_buf = softc->announce_temp;
4666         bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4667
4668         if (state == DA_CCB_PROBE_RC)
4669                 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4670         else
4671                 rcaplong = (struct scsi_read_capacity_data_long *)
4672                         csio->data_ptr;
4673
4674         cam_periph_assert(periph, MA_OWNED);
4675
4676         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4677                 struct disk_params *dp;
4678                 uint32_t block_size;
4679                 uint64_t maxsector;
4680                 u_int lalba;    /* Lowest aligned LBA. */
4681
4682                 if (state == DA_CCB_PROBE_RC) {
4683                         block_size = scsi_4btoul(rdcap->length);
4684                         maxsector = scsi_4btoul(rdcap->addr);
4685                         lalba = 0;
4686
4687                         /*
4688                          * According to SBC-2, if the standard 10
4689                          * byte READ CAPACITY command returns 2^32,
4690                          * we should issue the 16 byte version of
4691                          * the command, since the device in question
4692                          * has more sectors than can be represented
4693                          * with the short version of the command.
4694                          */
4695                         if (maxsector == 0xffffffff) {
4696                                 free(rdcap, M_SCSIDA);
4697                                 xpt_release_ccb(done_ccb);
4698                                 softc->state = DA_STATE_PROBE_RC16;
4699                                 xpt_schedule(periph, priority);
4700                                 return;
4701                         }
4702                 } else {
4703                         block_size = scsi_4btoul(rcaplong->length);
4704                         maxsector = scsi_8btou64(rcaplong->addr);
4705                         lalba = scsi_2btoul(rcaplong->lalba_lbp);
4706                 }
4707
4708                 /*
4709                  * Because GEOM code just will panic us if we
4710                  * give them an 'illegal' value we'll avoid that
4711                  * here.
4712                  */
4713                 if (block_size == 0) {
4714                         block_size = 512;
4715                         if (maxsector == 0)
4716                                 maxsector = -1;
4717                 }
4718                 if (block_size >= MAXPHYS) {
4719                         xpt_print(periph->path,
4720                             "unsupportable block size %ju\n",
4721                             (uintmax_t) block_size);
4722                         announce_buf = NULL;
4723                         cam_periph_invalidate(periph);
4724                 } else {
4725                         /*
4726                          * We pass rcaplong into dasetgeom(),
4727                          * because it will only use it if it is
4728                          * non-NULL.
4729                          */
4730                         dasetgeom(periph, block_size, maxsector,
4731                                   rcaplong, sizeof(*rcaplong));
4732                         lbp = (lalba & SRC16_LBPME_A);
4733                         dp = &softc->params;
4734                         snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4735                             "%juMB (%ju %u byte sectors)",
4736                             ((uintmax_t)dp->secsize * dp->sectors) /
4737                              (1024 * 1024),
4738                             (uintmax_t)dp->sectors, dp->secsize);
4739                 }
4740         } else {
4741                 int error;
4742
4743                 /*
4744                  * Retry any UNIT ATTENTION type errors.  They
4745                  * are expected at boot.
4746                  */
4747                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4748                                 SF_RETRY_UA|SF_NO_PRINT);
4749                 if (error == ERESTART) {
4750                         /*
4751                          * A retry was scheuled, so
4752                          * just return.
4753                          */
4754                         return;
4755                 } else if (error != 0) {
4756                         int asc, ascq;
4757                         int sense_key, error_code;
4758                         int have_sense;
4759                         cam_status status;
4760                         struct ccb_getdev cgd;
4761
4762                         /* Don't wedge this device's queue */
4763                         status = done_ccb->ccb_h.status;
4764                         if ((status & CAM_DEV_QFRZN) != 0)
4765                                 cam_release_devq(done_ccb->ccb_h.path,
4766                                                  /*relsim_flags*/0,
4767                                                  /*reduction*/0,
4768                                                  /*timeout*/0,
4769                                                  /*getcount_only*/0);
4770
4771
4772                         xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4773                                       CAM_PRIORITY_NORMAL);
4774                         cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4775                         xpt_action((union ccb *)&cgd);
4776
4777                         if (scsi_extract_sense_ccb(done_ccb,
4778                             &error_code, &sense_key, &asc, &ascq))
4779                                 have_sense = TRUE;
4780                         else
4781                                 have_sense = FALSE;
4782
4783                         /*
4784                          * If we tried READ CAPACITY(16) and failed,
4785                          * fallback to READ CAPACITY(10).
4786                          */
4787                         if ((state == DA_CCB_PROBE_RC16) &&
4788                             (softc->flags & DA_FLAG_CAN_RC16) &&
4789                             (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4790                                 CAM_REQ_INVALID) ||
4791                              ((have_sense) &&
4792                               (error_code == SSD_CURRENT_ERROR ||
4793                                error_code == SSD_DESC_CURRENT_ERROR) &&
4794                               (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4795                                 cam_periph_assert(periph, MA_OWNED);
4796                                 softc->flags &= ~DA_FLAG_CAN_RC16;
4797                                 free(rdcap, M_SCSIDA);
4798                                 xpt_release_ccb(done_ccb);
4799                                 softc->state = DA_STATE_PROBE_RC;
4800                                 xpt_schedule(periph, priority);
4801                                 return;
4802                         }
4803
4804                         /*
4805                          * Attach to anything that claims to be a
4806                          * direct access or optical disk device,
4807                          * as long as it doesn't return a "Logical
4808                          * unit not supported" (0x25) error.
4809                          * "Internal Target Failure" (0x44) is also
4810                          * special and typically means that the
4811                          * device is a SATA drive behind a SATL
4812                          * translation that's fallen into a
4813                          * terminally fatal state.
4814                          */
4815                         if ((have_sense)
4816                          && (asc != 0x25) && (asc != 0x44)
4817                          && (error_code == SSD_CURRENT_ERROR
4818                           || error_code == SSD_DESC_CURRENT_ERROR)) {
4819                                 const char *sense_key_desc;
4820                                 const char *asc_desc;
4821
4822                                 dasetgeom(periph, 512, -1, NULL, 0);
4823                                 scsi_sense_desc(sense_key, asc, ascq,
4824                                                 &cgd.inq_data, &sense_key_desc,
4825                                                 &asc_desc);
4826                                 snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4827                                     "Attempt to query device "
4828                                     "size failed: %s, %s",
4829                                     sense_key_desc, asc_desc);
4830                         } else {
4831                                 if (have_sense)
4832                                         scsi_sense_print(&done_ccb->csio);
4833                                 else {
4834                                         xpt_print(periph->path,
4835                                             "got CAM status %#x\n",
4836                                             done_ccb->ccb_h.status);
4837                                 }
4838
4839                                 xpt_print(periph->path, "fatal error, "
4840                                     "failed to attach to device\n");
4841
4842                                 announce_buf = NULL;
4843
4844                                 /*
4845                                  * Free up resources.
4846                                  */
4847                                 cam_periph_invalidate(periph);
4848                         }
4849                 }
4850         }
4851         free(csio->data_ptr, M_SCSIDA);
4852         if (announce_buf != NULL &&
4853             ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4854                 struct sbuf sb;
4855
4856                 sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4857                     SBUF_FIXEDLEN);
4858                 xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4859                 xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4860                     DA_Q_BIT_STRING);
4861                 sbuf_finish(&sb);
4862                 sbuf_putbuf(&sb);
4863
4864                 /*
4865                  * Create our sysctl variables, now that we know
4866                  * we have successfully attached.
4867                  */
4868                 /* increase the refcount */
4869                 if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4870                         taskqueue_enqueue(taskqueue_thread,
4871                                           &softc->sysctl_task);
4872                 } else {
4873                         /* XXX This message is useless! */
4874                         xpt_print(periph->path, "fatal error, "
4875                             "could not acquire reference count\n");
4876                 }
4877         }
4878
4879         /* We already probed the device. */
4880         if (softc->flags & DA_FLAG_PROBED) {
4881                 daprobedone(periph, done_ccb);
4882                 return;
4883         }
4884
4885         /* Ensure re-probe doesn't see old delete. */
4886         softc->delete_available = 0;
4887         dadeleteflag(softc, DA_DELETE_ZERO, 1);
4888         if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4889                 /*
4890                  * Based on older SBC-3 spec revisions
4891                  * any of the UNMAP methods "may" be
4892                  * available via LBP given this flag so
4893                  * we flag all of them as available and
4894                  * then remove those which further
4895                  * probes confirm aren't available
4896                  * later.
4897                  *
4898                  * We could also check readcap(16) p_type
4899                  * flag to exclude one or more invalid
4900                  * write same (X) types here
4901                  */
4902                 dadeleteflag(softc, DA_DELETE_WS16, 1);
4903                 dadeleteflag(softc, DA_DELETE_WS10, 1);
4904                 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4905
4906                 xpt_release_ccb(done_ccb);
4907                 softc->state = DA_STATE_PROBE_LBP;
4908                 xpt_schedule(periph, priority);
4909                 return;
4910         }
4911
4912         xpt_release_ccb(done_ccb);
4913         softc->state = DA_STATE_PROBE_BDC;
4914         xpt_schedule(periph, priority);
4915         return;
4916 }
4917
4918 static void
4919 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
4920 {
4921         struct scsi_vpd_logical_block_prov *lbp;
4922         struct da_softc *softc;
4923         struct ccb_scsiio *csio;
4924         u_int32_t  priority;
4925
4926         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
4927
4928         softc = (struct da_softc *)periph->softc;
4929         priority = done_ccb->ccb_h.pinfo.priority;
4930         csio = &done_ccb->csio;
4931         lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4932
4933         cam_periph_assert(periph, MA_OWNED);
4934
4935         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4936                 /*
4937                  * T10/1799-D Revision 31 states at least one of these
4938                  * must be supported but we don't currently enforce this.
4939                  */
4940                 dadeleteflag(softc, DA_DELETE_WS16,
4941                      (lbp->flags & SVPD_LBP_WS16));
4942                 dadeleteflag(softc, DA_DELETE_WS10,
4943                              (lbp->flags & SVPD_LBP_WS10));
4944                 dadeleteflag(softc, DA_DELETE_UNMAP,
4945                              (lbp->flags & SVPD_LBP_UNMAP));
4946         } else {
4947                 int error;
4948                 error = daerror(done_ccb, CAM_RETRY_SELTO,
4949                                 SF_RETRY_UA|SF_NO_PRINT);
4950                 if (error == ERESTART)
4951                         return;
4952                 else if (error != 0) {
4953                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4954                                 /* Don't wedge this device's queue */
4955                                 cam_release_devq(done_ccb->ccb_h.path,
4956                                                  /*relsim_flags*/0,
4957                                                  /*reduction*/0,
4958                                                  /*timeout*/0,
4959                                                  /*getcount_only*/0);
4960                         }
4961
4962                         /*
4963                          * Failure indicates we don't support any SBC-3
4964                          * delete methods with UNMAP
4965                          */
4966                 }
4967         }
4968
4969         free(lbp, M_SCSIDA);
4970         xpt_release_ccb(done_ccb);
4971         softc->state = DA_STATE_PROBE_BLK_LIMITS;
4972         xpt_schedule(periph, priority);
4973         return;
4974 }
4975
4976 static void
4977 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
4978 {
4979         struct scsi_vpd_block_limits *block_limits;
4980         struct da_softc *softc;
4981         struct ccb_scsiio *csio;
4982         u_int32_t  priority;
4983
4984         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
4985
4986         softc = (struct da_softc *)periph->softc;
4987         priority = done_ccb->ccb_h.pinfo.priority;
4988         csio = &done_ccb->csio;
4989         block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
4990
4991         cam_periph_assert(periph, MA_OWNED);
4992
4993         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4994                 uint32_t max_txfer_len = scsi_4btoul(
4995                         block_limits->max_txfer_len);
4996                 uint32_t max_unmap_lba_cnt = scsi_4btoul(
4997                         block_limits->max_unmap_lba_cnt);
4998                 uint32_t max_unmap_blk_cnt = scsi_4btoul(
4999                         block_limits->max_unmap_blk_cnt);
5000                 uint32_t unmap_gran = scsi_4btoul(
5001                         block_limits->opt_unmap_grain);
5002                 uint32_t unmap_gran_align = scsi_4btoul(
5003                         block_limits->unmap_grain_align);
5004                 uint64_t ws_max_blks = scsi_8btou64(
5005                         block_limits->max_write_same_length);
5006
5007                 if (max_txfer_len != 0) {
5008                         softc->disk->d_maxsize = MIN(softc->maxio,
5009                             (off_t)max_txfer_len * softc->params.secsize);
5010                 }
5011
5012                 /*
5013                  * We should already support UNMAP but we check lba
5014                  * and block count to be sure
5015                  */
5016                 if (max_unmap_lba_cnt != 0x00L &&
5017                     max_unmap_blk_cnt != 0x00L) {
5018                         softc->unmap_max_lba = max_unmap_lba_cnt;
5019                         softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5020                                 UNMAP_MAX_RANGES);
5021                         if (unmap_gran > 1) {
5022                                 softc->unmap_gran = unmap_gran;
5023                                 if (unmap_gran_align & 0x80000000) {
5024                                         softc->unmap_gran_align =
5025                                             unmap_gran_align & 0x7fffffff;
5026                                 }
5027                         }
5028                 } else {
5029                         /*
5030                          * Unexpected UNMAP limits which means the
5031                          * device doesn't actually support UNMAP
5032                          */
5033                         dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5034                 }
5035
5036                 if (ws_max_blks != 0x00L)
5037                         softc->ws_max_blks = ws_max_blks;
5038         } else {
5039                 int error;
5040                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5041                                 SF_RETRY_UA|SF_NO_PRINT);
5042                 if (error == ERESTART)
5043                         return;
5044                 else if (error != 0) {
5045                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5046                                 /* Don't wedge this device's queue */
5047                                 cam_release_devq(done_ccb->ccb_h.path,
5048                                                  /*relsim_flags*/0,
5049                                                  /*reduction*/0,
5050                                                  /*timeout*/0,
5051                                                  /*getcount_only*/0);
5052                         }
5053
5054                         /*
5055                          * Failure here doesn't mean UNMAP is not
5056                          * supported as this is an optional page.
5057                          */
5058                         softc->unmap_max_lba = 1;
5059                         softc->unmap_max_ranges = 1;
5060                 }
5061         }
5062
5063         free(block_limits, M_SCSIDA);
5064         xpt_release_ccb(done_ccb);
5065         softc->state = DA_STATE_PROBE_BDC;
5066         xpt_schedule(periph, priority);
5067         return;
5068 }
5069
5070 static void
5071 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5072 {
5073         struct scsi_vpd_block_device_characteristics *bdc;
5074         struct da_softc *softc;
5075         struct ccb_scsiio *csio;
5076         u_int32_t  priority;
5077
5078         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5079
5080         softc = (struct da_softc *)periph->softc;
5081         priority = done_ccb->ccb_h.pinfo.priority;
5082         csio = &done_ccb->csio;
5083         bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5084
5085         cam_periph_assert(periph, MA_OWNED);
5086
5087         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5088                 uint32_t valid_len;
5089
5090                 /*
5091                  * Disable queue sorting for non-rotational media
5092                  * by default.
5093                  */
5094                 u_int16_t old_rate = softc->disk->d_rotation_rate;
5095
5096                 valid_len = csio->dxfer_len - csio->resid;
5097                 if (SBDC_IS_PRESENT(bdc, valid_len,
5098                     medium_rotation_rate)) {
5099                         softc->disk->d_rotation_rate =
5100                                 scsi_2btoul(bdc->medium_rotation_rate);
5101                         if (softc->disk->d_rotation_rate ==
5102                             SVPD_BDC_RATE_NON_ROTATING) {
5103                                 cam_iosched_set_sort_queue(
5104                                     softc->cam_iosched, 0);
5105                                 softc->rotating = 0;
5106                         }
5107                         if (softc->disk->d_rotation_rate != old_rate) {
5108                                 disk_attr_changed(softc->disk,
5109                                     "GEOM::rotation_rate", M_NOWAIT);
5110                         }
5111                 }
5112                 if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5113                  && (softc->zone_mode == DA_ZONE_NONE)) {
5114                         int ata_proto;
5115
5116                         if (scsi_vpd_supported_page(periph,
5117                             SVPD_ATA_INFORMATION))
5118                                 ata_proto = 1;
5119                         else
5120                                 ata_proto = 0;
5121
5122                         /*
5123                          * The Zoned field will only be set for
5124                          * Drive Managed and Host Aware drives.  If
5125                          * they are Host Managed, the device type
5126                          * in the standard INQUIRY data should be
5127                          * set to T_ZBC_HM (0x14).
5128                          */
5129                         if ((bdc->flags & SVPD_ZBC_MASK) ==
5130                              SVPD_HAW_ZBC) {
5131                                 softc->zone_mode = DA_ZONE_HOST_AWARE;
5132                                 softc->zone_interface = (ata_proto) ?
5133                                    DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5134                         } else if ((bdc->flags & SVPD_ZBC_MASK) ==
5135                              SVPD_DM_ZBC) {
5136                                 softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5137                                 softc->zone_interface = (ata_proto) ?
5138                                    DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5139                         } else if ((bdc->flags & SVPD_ZBC_MASK) !=
5140                                   SVPD_ZBC_NR) {
5141                                 xpt_print(periph->path, "Unknown zoned "
5142                                     "type %#x",
5143                                     bdc->flags & SVPD_ZBC_MASK);
5144                         }
5145                 }
5146         } else {
5147                 int error;
5148                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5149                                 SF_RETRY_UA|SF_NO_PRINT);
5150                 if (error == ERESTART)
5151                         return;
5152                 else if (error != 0) {
5153                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5154                                 /* Don't wedge this device's queue */
5155                                 cam_release_devq(done_ccb->ccb_h.path,
5156                                                  /*relsim_flags*/0,
5157                                                  /*reduction*/0,
5158                                                  /*timeout*/0,
5159                                                  /*getcount_only*/0);
5160                         }
5161                 }
5162         }
5163
5164         free(bdc, M_SCSIDA);
5165         xpt_release_ccb(done_ccb);
5166         softc->state = DA_STATE_PROBE_ATA;
5167         xpt_schedule(periph, priority);
5168         return;
5169 }
5170
5171 static void
5172 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5173 {
5174         struct ata_params *ata_params;
5175         struct ccb_scsiio *csio;
5176         struct da_softc *softc;
5177         u_int32_t  priority;
5178         int continue_probe;
5179         int error, i;
5180         int16_t *ptr;
5181
5182         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5183
5184         softc = (struct da_softc *)periph->softc;
5185         priority = done_ccb->ccb_h.pinfo.priority;
5186         csio = &done_ccb->csio;
5187         ata_params = (struct ata_params *)csio->data_ptr;
5188         ptr = (uint16_t *)ata_params;
5189         continue_probe = 0;
5190         error = 0;
5191
5192         cam_periph_assert(periph, MA_OWNED);
5193
5194         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5195                 uint16_t old_rate;
5196
5197                 for (i = 0; i < sizeof(*ata_params) / 2; i++)
5198                         ptr[i] = le16toh(ptr[i]);
5199                 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5200                     (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5201                         dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5202                         if (ata_params->max_dsm_blocks != 0)
5203                                 softc->trim_max_ranges = min(
5204                                   softc->trim_max_ranges,
5205                                   ata_params->max_dsm_blocks *
5206                                   ATA_DSM_BLK_RANGES);
5207                 }
5208                 /*
5209                  * Disable queue sorting for non-rotational media
5210                  * by default.
5211                  */
5212                 old_rate = softc->disk->d_rotation_rate;
5213                 softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5214                 if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5215                         cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5216                         softc->rotating = 0;
5217                 }
5218                 if (softc->disk->d_rotation_rate != old_rate) {
5219                         disk_attr_changed(softc->disk,
5220                             "GEOM::rotation_rate", M_NOWAIT);
5221                 }
5222
5223                 cam_periph_assert(periph, MA_OWNED);
5224                 if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5225                         softc->flags |= DA_FLAG_CAN_ATA_DMA;
5226
5227                 if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5228                         softc->flags |= DA_FLAG_CAN_ATA_LOG;
5229
5230                 /*
5231                  * At this point, if we have a SATA host aware drive,
5232                  * we communicate via ATA passthrough unless the
5233                  * SAT layer supports ZBC -> ZAC translation.  In
5234                  * that case,
5235                  *
5236                  * XXX KDM figure out how to detect a host managed
5237                  * SATA drive.
5238                  */
5239                 if (softc->zone_mode == DA_ZONE_NONE) {
5240                         /*
5241                          * Note that we don't override the zone
5242                          * mode or interface if it has already been
5243                          * set.  This is because it has either been
5244                          * set as a quirk, or when we probed the
5245                          * SCSI Block Device Characteristics page,
5246                          * the zoned field was set.  The latter
5247                          * means that the SAT layer supports ZBC to
5248                          * ZAC translation, and we would prefer to
5249                          * use that if it is available.
5250                          */
5251                         if ((ata_params->support3 &
5252                             ATA_SUPPORT_ZONE_MASK) ==
5253                             ATA_SUPPORT_ZONE_HOST_AWARE) {
5254                                 softc->zone_mode = DA_ZONE_HOST_AWARE;
5255                                 softc->zone_interface =
5256                                     DA_ZONE_IF_ATA_PASS;
5257                         } else if ((ata_params->support3 &
5258                                     ATA_SUPPORT_ZONE_MASK) ==
5259                                     ATA_SUPPORT_ZONE_DEV_MANAGED) {
5260                                 softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5261                                 softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5262                         }
5263                 }
5264
5265         } else {
5266                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5267                                 SF_RETRY_UA|SF_NO_PRINT);
5268                 if (error == ERESTART)
5269                         return;
5270                 else if (error != 0) {
5271                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5272                                 /* Don't wedge this device's queue */
5273                                 cam_release_devq(done_ccb->ccb_h.path,
5274                                                  /*relsim_flags*/0,
5275                                                  /*reduction*/0,
5276                                                  /*timeout*/0,
5277                                                  /*getcount_only*/0);
5278                         }
5279                 }
5280         }
5281
5282         free(ata_params, M_SCSIDA);
5283         if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5284          || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5285                 /*
5286                  * If the ATA IDENTIFY failed, we could be talking
5287                  * to a SCSI drive, although that seems unlikely,
5288                  * since the drive did report that it supported the
5289                  * ATA Information VPD page.  If the ATA IDENTIFY
5290                  * succeeded, and the SAT layer doesn't support
5291                  * ZBC -> ZAC translation, continue on to get the
5292                  * directory of ATA logs, and complete the rest of
5293                  * the ZAC probe.  If the SAT layer does support
5294                  * ZBC -> ZAC translation, we want to use that,
5295                  * and we'll probe the SCSI Zoned Block Device
5296                  * Characteristics VPD page next.
5297                  */
5298                 if ((error == 0)
5299                  && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5300                  && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5301                         softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5302                 else
5303                         softc->state = DA_STATE_PROBE_ZONE;
5304                 continue_probe = 1;
5305         }
5306         if (continue_probe != 0) {
5307                 xpt_release_ccb(done_ccb);
5308                 xpt_schedule(periph, priority);
5309                 return;
5310         } else
5311                 daprobedone(periph, done_ccb);
5312         return;
5313 }
5314
5315 static void
5316 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5317 {
5318         struct da_softc *softc;
5319         struct ccb_scsiio *csio;
5320         u_int32_t  priority;
5321         int error;
5322
5323         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5324
5325         softc = (struct da_softc *)periph->softc;
5326         priority = done_ccb->ccb_h.pinfo.priority;
5327         csio = &done_ccb->csio;
5328
5329         cam_periph_assert(periph, MA_OWNED);
5330         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5331                 error = 0;
5332                 softc->valid_logdir_len = 0;
5333                 bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5334                 softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5335                 if (softc->valid_logdir_len > 0)
5336                         bcopy(csio->data_ptr, &softc->ata_logdir,
5337                             min(softc->valid_logdir_len,
5338                                 sizeof(softc->ata_logdir)));
5339                 /*
5340                  * Figure out whether the Identify Device log is
5341                  * supported.  The General Purpose log directory
5342                  * has a header, and lists the number of pages
5343                  * available for each GP log identified by the
5344                  * offset into the list.
5345                  */
5346                 if ((softc->valid_logdir_len >=
5347                     ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5348                  && (le16dec(softc->ata_logdir.header) ==
5349                      ATA_GP_LOG_DIR_VERSION)
5350                  && (le16dec(&softc->ata_logdir.num_pages[
5351                      (ATA_IDENTIFY_DATA_LOG *
5352                      sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5353                         softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5354                 } else {
5355                         softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5356                 }
5357         } else {
5358                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5359                                 SF_RETRY_UA|SF_NO_PRINT);
5360                 if (error == ERESTART)
5361                         return;
5362                 else if (error != 0) {
5363                         /*
5364                          * If we can't get the ATA log directory,
5365                          * then ATA logs are effectively not
5366                          * supported even if the bit is set in the
5367                          * identify data.
5368                          */
5369                         softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5370                                           DA_FLAG_CAN_ATA_IDLOG);
5371                         if ((done_ccb->ccb_h.status &
5372                              CAM_DEV_QFRZN) != 0) {
5373                                 /* Don't wedge this device's queue */
5374                                 cam_release_devq(done_ccb->ccb_h.path,
5375                                                  /*relsim_flags*/0,
5376                                                  /*reduction*/0,
5377                                                  /*timeout*/0,
5378                                                  /*getcount_only*/0);
5379                         }
5380                 }
5381         }
5382
5383         free(csio->data_ptr, M_SCSIDA);
5384
5385         if ((error == 0)
5386          && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5387                 softc->state = DA_STATE_PROBE_ATA_IDDIR;
5388                 xpt_release_ccb(done_ccb);
5389                 xpt_schedule(periph, priority);
5390                 return;
5391         }
5392         daprobedone(periph, done_ccb);
5393         return;
5394 }
5395
5396 static void
5397 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5398 {
5399         struct da_softc *softc;
5400         struct ccb_scsiio *csio;
5401         u_int32_t  priority;
5402         int error;
5403
5404         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5405
5406         softc = (struct da_softc *)periph->softc;
5407         priority = done_ccb->ccb_h.pinfo.priority;
5408         csio = &done_ccb->csio;
5409
5410         cam_periph_assert(periph, MA_OWNED);
5411
5412         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5413                 off_t entries_offset, max_entries;
5414                 error = 0;
5415
5416                 softc->valid_iddir_len = 0;
5417                 bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5418                 softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5419                                   DA_FLAG_CAN_ATA_ZONE);
5420                 softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5421                 if (softc->valid_iddir_len > 0)
5422                         bcopy(csio->data_ptr, &softc->ata_iddir,
5423                             min(softc->valid_iddir_len,
5424                                 sizeof(softc->ata_iddir)));
5425
5426                 entries_offset =
5427                     __offsetof(struct ata_identify_log_pages,entries);
5428                 max_entries = softc->valid_iddir_len - entries_offset;
5429                 if ((softc->valid_iddir_len > (entries_offset + 1))
5430                  && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5431                  && (softc->ata_iddir.entry_count > 0)) {
5432                         int num_entries, i;
5433
5434                         num_entries = softc->ata_iddir.entry_count;
5435                         num_entries = min(num_entries,
5436                            softc->valid_iddir_len - entries_offset);
5437                         for (i = 0; i < num_entries && i < max_entries; i++) {
5438                                 if (softc->ata_iddir.entries[i] ==
5439                                     ATA_IDL_SUP_CAP)
5440                                         softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5441                                 else if (softc->ata_iddir.entries[i] ==
5442                                          ATA_IDL_ZDI)
5443                                         softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5444
5445                                 if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5446                                  && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5447                                         break;
5448                         }
5449                 }
5450         } else {
5451                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5452                                 SF_RETRY_UA|SF_NO_PRINT);
5453                 if (error == ERESTART)
5454                         return;
5455                 else if (error != 0) {
5456                         /*
5457                          * If we can't get the ATA Identify Data log
5458                          * directory, then it effectively isn't
5459                          * supported even if the ATA Log directory
5460                          * a non-zero number of pages present for
5461                          * this log.
5462                          */
5463                         softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5464                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5465                                 /* Don't wedge this device's queue */
5466                                 cam_release_devq(done_ccb->ccb_h.path,
5467                                                  /*relsim_flags*/0,
5468                                                  /*reduction*/0,
5469                                                  /*timeout*/0,
5470                                                  /*getcount_only*/0);
5471                         }
5472                 }
5473         }
5474
5475         free(csio->data_ptr, M_SCSIDA);
5476
5477         if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5478                 softc->state = DA_STATE_PROBE_ATA_SUP;
5479                 xpt_release_ccb(done_ccb);
5480                 xpt_schedule(periph, priority);
5481                 return;
5482         }
5483         daprobedone(periph, done_ccb);
5484         return;
5485 }
5486
5487 static void
5488 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5489 {
5490         struct da_softc *softc;
5491         struct ccb_scsiio *csio;
5492         u_int32_t  priority;
5493         int error;
5494
5495         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5496
5497         softc = (struct da_softc *)periph->softc;
5498         priority = done_ccb->ccb_h.pinfo.priority;
5499         csio = &done_ccb->csio;
5500
5501         cam_periph_assert(periph, MA_OWNED);
5502
5503         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5504                 uint32_t valid_len;
5505                 size_t needed_size;
5506                 struct ata_identify_log_sup_cap *sup_cap;
5507                 error = 0;
5508
5509                 sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5510                 valid_len = csio->dxfer_len - csio->resid;
5511                 needed_size = __offsetof(struct ata_identify_log_sup_cap,
5512                     sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5513                 if (valid_len >= needed_size) {
5514                         uint64_t zoned, zac_cap;
5515
5516                         zoned = le64dec(sup_cap->zoned_cap);
5517                         if (zoned & ATA_ZONED_VALID) {
5518                                 /*
5519                                  * This should have already been
5520                                  * set, because this is also in the
5521                                  * ATA identify data.
5522                                  */
5523                                 if ((zoned & ATA_ZONED_MASK) ==
5524                                     ATA_SUPPORT_ZONE_HOST_AWARE)
5525                                         softc->zone_mode = DA_ZONE_HOST_AWARE;
5526                                 else if ((zoned & ATA_ZONED_MASK) ==
5527                                     ATA_SUPPORT_ZONE_DEV_MANAGED)
5528                                         softc->zone_mode =
5529                                             DA_ZONE_DRIVE_MANAGED;
5530                         }
5531
5532                         zac_cap = le64dec(sup_cap->sup_zac_cap);
5533                         if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5534                                 if (zac_cap & ATA_REPORT_ZONES_SUP)
5535                                         softc->zone_flags |=
5536                                             DA_ZONE_FLAG_RZ_SUP;
5537                                 if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5538                                         softc->zone_flags |=
5539                                             DA_ZONE_FLAG_OPEN_SUP;
5540                                 if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5541                                         softc->zone_flags |=
5542                                             DA_ZONE_FLAG_CLOSE_SUP;
5543                                 if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5544                                         softc->zone_flags |=
5545                                             DA_ZONE_FLAG_FINISH_SUP;
5546                                 if (zac_cap & ATA_ND_RWP_SUP)
5547                                         softc->zone_flags |=
5548                                             DA_ZONE_FLAG_RWP_SUP;
5549                         } else {
5550                                 /*
5551                                  * This field was introduced in
5552                                  * ACS-4, r08 on April 28th, 2015.
5553                                  * If the drive firmware was written
5554                                  * to an earlier spec, it won't have
5555                                  * the field.  So, assume all
5556                                  * commands are supported.
5557                                  */
5558                                 softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5559                         }
5560                 }
5561         } else {
5562                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5563                                 SF_RETRY_UA|SF_NO_PRINT);
5564                 if (error == ERESTART)
5565                         return;
5566                 else if (error != 0) {
5567                         /*
5568                          * If we can't get the ATA Identify Data
5569                          * Supported Capabilities page, clear the
5570                          * flag...
5571                          */
5572                         softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5573                         /*
5574                          * And clear zone capabilities.
5575                          */
5576                         softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5577                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5578                                 /* Don't wedge this device's queue */
5579                                 cam_release_devq(done_ccb->ccb_h.path,
5580                                                  /*relsim_flags*/0,
5581                                                  /*reduction*/0,
5582                                                  /*timeout*/0,
5583                                                  /*getcount_only*/0);
5584                         }
5585                 }
5586         }
5587
5588         free(csio->data_ptr, M_SCSIDA);
5589
5590         if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5591                 softc->state = DA_STATE_PROBE_ATA_ZONE;
5592                 xpt_release_ccb(done_ccb);
5593                 xpt_schedule(periph, priority);
5594                 return;
5595         }
5596         daprobedone(periph, done_ccb);
5597         return;
5598 }
5599
5600 static void
5601 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5602 {
5603         struct da_softc *softc;
5604         struct ccb_scsiio *csio;
5605         int error;
5606
5607         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5608
5609         softc = (struct da_softc *)periph->softc;
5610         csio = &done_ccb->csio;
5611
5612         cam_periph_assert(periph, MA_OWNED);
5613
5614         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5615                 struct ata_zoned_info_log *zi_log;
5616                 uint32_t valid_len;
5617                 size_t needed_size;
5618
5619                 zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5620
5621                 valid_len = csio->dxfer_len - csio->resid;
5622                 needed_size = __offsetof(struct ata_zoned_info_log,
5623                     version_info) + 1 + sizeof(zi_log->version_info);
5624                 if (valid_len >= needed_size) {
5625                         uint64_t tmpvar;
5626
5627                         tmpvar = le64dec(zi_log->zoned_cap);
5628                         if (tmpvar & ATA_ZDI_CAP_VALID) {
5629                                 if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5630                                         softc->zone_flags |=
5631                                             DA_ZONE_FLAG_URSWRZ;
5632                                 else
5633                                         softc->zone_flags &=
5634                                             ~DA_ZONE_FLAG_URSWRZ;
5635                         }
5636                         tmpvar = le64dec(zi_log->optimal_seq_zones);
5637                         if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5638                                 softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5639                                 softc->optimal_seq_zones = (tmpvar &
5640                                     ATA_ZDI_OPT_SEQ_MASK);
5641                         } else {
5642                                 softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5643                                 softc->optimal_seq_zones = 0;
5644                         }
5645
5646                         tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5647                         if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5648                                 softc->zone_flags |=
5649                                     DA_ZONE_FLAG_OPT_NONSEQ_SET;
5650                                 softc->optimal_nonseq_zones =
5651                                     (tmpvar & ATA_ZDI_OPT_NS_MASK);
5652                         } else {
5653                                 softc->zone_flags &=
5654                                     ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5655                                 softc->optimal_nonseq_zones = 0;
5656                         }
5657
5658                         tmpvar = le64dec(zi_log->max_seq_req_zones);
5659                         if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5660                                 softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5661                                 softc->max_seq_zones =
5662                                     (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5663                         } else {
5664                                 softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5665                                 softc->max_seq_zones = 0;
5666                         }
5667                 }
5668         } else {
5669                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5670                                 SF_RETRY_UA|SF_NO_PRINT);
5671                 if (error == ERESTART)
5672                         return;
5673                 else if (error != 0) {
5674                         softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5675                         softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5676
5677                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5678                                 /* Don't wedge this device's queue */
5679                                 cam_release_devq(done_ccb->ccb_h.path,
5680                                                  /*relsim_flags*/0,
5681                                                  /*reduction*/0,
5682                                                  /*timeout*/0,
5683                                                  /*getcount_only*/0);
5684                         }
5685                 }
5686
5687         }
5688
5689         free(csio->data_ptr, M_SCSIDA);
5690
5691         daprobedone(periph, done_ccb);
5692         return;
5693 }
5694
5695 static void
5696 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5697 {
5698         struct da_softc *softc;
5699         struct ccb_scsiio *csio;
5700         int error;
5701
5702         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5703
5704         softc = (struct da_softc *)periph->softc;
5705         csio = &done_ccb->csio;
5706
5707         cam_periph_assert(periph, MA_OWNED);
5708
5709         if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5710                 uint32_t valid_len;
5711                 size_t needed_len;
5712                 struct scsi_vpd_zoned_bdc *zoned_bdc;
5713
5714                 error = 0;
5715                 zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5716                 valid_len = csio->dxfer_len - csio->resid;
5717                 needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5718                     max_seq_req_zones) + 1 +
5719                     sizeof(zoned_bdc->max_seq_req_zones);
5720                 if ((valid_len >= needed_len)
5721                  && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5722                         if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5723                                 softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5724                         else
5725                                 softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5726                         softc->optimal_seq_zones =
5727                             scsi_4btoul(zoned_bdc->optimal_seq_zones);
5728                         softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5729                         softc->optimal_nonseq_zones = scsi_4btoul(
5730                             zoned_bdc->optimal_nonseq_zones);
5731                         softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5732                         softc->max_seq_zones =
5733                             scsi_4btoul(zoned_bdc->max_seq_req_zones);
5734                         softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5735                 }
5736                 /*
5737                  * All of the zone commands are mandatory for SCSI
5738                  * devices.
5739                  *
5740                  * XXX KDM this is valid as of September 2015.
5741                  * Re-check this assumption once the SAT spec is
5742                  * updated to support SCSI ZBC to ATA ZAC mapping.
5743                  * Since ATA allows zone commands to be reported
5744                  * as supported or not, this may not necessarily
5745                  * be true for an ATA device behind a SAT (SCSI to
5746                  * ATA Translation) layer.
5747                  */
5748                 softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5749         } else {
5750                 error = daerror(done_ccb, CAM_RETRY_SELTO,
5751                                 SF_RETRY_UA|SF_NO_PRINT);
5752                 if (error == ERESTART)
5753                         return;
5754                 else if (error != 0) {
5755                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5756                                 /* Don't wedge this device's queue */
5757                                 cam_release_devq(done_ccb->ccb_h.path,
5758                                                  /*relsim_flags*/0,
5759                                                  /*reduction*/0,
5760                                                  /*timeout*/0,
5761                                                  /*getcount_only*/0);
5762                         }
5763                 }
5764         }
5765
5766         free(csio->data_ptr, M_SCSIDA);
5767
5768         daprobedone(periph, done_ccb);
5769         return;
5770 }
5771
5772 static void
5773 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5774 {
5775         struct da_softc *softc;
5776         struct ccb_scsiio *csio;
5777
5778         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5779
5780         softc = (struct da_softc *)periph->softc;
5781         csio = &done_ccb->csio;
5782
5783         cam_periph_assert(periph, MA_OWNED);
5784
5785         if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5786
5787                 if (daerror(done_ccb, CAM_RETRY_SELTO,
5788                     SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5789                         return; /* Will complete again, keep reference */
5790                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5791                         cam_release_devq(done_ccb->ccb_h.path,
5792                                          /*relsim_flags*/0,
5793                                          /*reduction*/0,
5794                                          /*timeout*/0,
5795                                          /*getcount_only*/0);
5796         }
5797         xpt_release_ccb(done_ccb);
5798         softc->flags &= ~DA_FLAG_TUR_PENDING;
5799         da_periph_release_locked(periph, DA_REF_TUR);
5800         return;
5801 }
5802
5803 static void
5804 dareprobe(struct cam_periph *periph)
5805 {
5806         struct da_softc   *softc;
5807         int status;
5808
5809         softc = (struct da_softc *)periph->softc;
5810
5811         /* Probe in progress; don't interfere. */
5812         if (softc->state != DA_STATE_NORMAL)
5813                 return;
5814
5815         status = da_periph_acquire(periph, DA_REF_REPROBE);
5816         KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5817
5818         softc->state = DA_STATE_PROBE_WP;
5819         xpt_schedule(periph, CAM_PRIORITY_DEV);
5820 }
5821
5822 static int
5823 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5824 {
5825         struct da_softc   *softc;
5826         struct cam_periph *periph;
5827         int error, error_code, sense_key, asc, ascq;
5828
5829 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5830         if (ccb->csio.bio != NULL)
5831                 biotrack(ccb->csio.bio, __func__);
5832 #endif
5833
5834         periph = xpt_path_periph(ccb->ccb_h.path);
5835         softc = (struct da_softc *)periph->softc;
5836
5837         cam_periph_assert(periph, MA_OWNED);
5838
5839         /*
5840          * Automatically detect devices that do not support
5841          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5842          */
5843         error = 0;
5844         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5845                 error = cmd6workaround(ccb);
5846         } else if (scsi_extract_sense_ccb(ccb,
5847             &error_code, &sense_key, &asc, &ascq)) {
5848                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5849                         error = cmd6workaround(ccb);
5850                 /*
5851                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
5852                  * query the capacity and notify upper layers.
5853                  */
5854                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5855                     asc == 0x2A && ascq == 0x09) {
5856                         xpt_print(periph->path, "Capacity data has changed\n");
5857                         softc->flags &= ~DA_FLAG_PROBED;
5858                         dareprobe(periph);
5859                         sense_flags |= SF_NO_PRINT;
5860                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5861                     asc == 0x28 && ascq == 0x00) {
5862                         softc->flags &= ~DA_FLAG_PROBED;
5863                         disk_media_changed(softc->disk, M_NOWAIT);
5864                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5865                     asc == 0x3F && ascq == 0x03) {
5866                         xpt_print(periph->path, "INQUIRY data has changed\n");
5867                         softc->flags &= ~DA_FLAG_PROBED;
5868                         dareprobe(periph);
5869                         sense_flags |= SF_NO_PRINT;
5870                 } else if (sense_key == SSD_KEY_NOT_READY &&
5871                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5872                         softc->flags |= DA_FLAG_PACK_INVALID;
5873                         disk_media_gone(softc->disk, M_NOWAIT);
5874                 }
5875         }
5876         if (error == ERESTART)
5877                 return (ERESTART);
5878
5879 #ifdef CAM_IO_STATS
5880         switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5881         case CAM_CMD_TIMEOUT:
5882                 softc->timeouts++;
5883                 break;
5884         case CAM_REQ_ABORTED:
5885         case CAM_REQ_CMP_ERR:
5886         case CAM_REQ_TERMIO:
5887         case CAM_UNREC_HBA_ERROR:
5888         case CAM_DATA_RUN_ERR:
5889                 softc->errors++;
5890                 break;
5891         default:
5892                 break;
5893         }
5894 #endif
5895
5896         /*
5897          * XXX
5898          * Until we have a better way of doing pack validation,
5899          * don't treat UAs as errors.
5900          */
5901         sense_flags |= SF_RETRY_UA;
5902
5903         if (softc->quirks & DA_Q_RETRY_BUSY)
5904                 sense_flags |= SF_RETRY_BUSY;
5905         return(cam_periph_error(ccb, cam_flags, sense_flags));
5906 }
5907
5908 static void
5909 damediapoll(void *arg)
5910 {
5911         struct cam_periph *periph = arg;
5912         struct da_softc *softc = periph->softc;
5913
5914         if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5915             (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
5916             LIST_EMPTY(&softc->pending_ccbs)) {
5917                 if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
5918                         cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5919                         daschedule(periph);
5920                 }
5921         }
5922         /* Queue us up again */
5923         if (da_poll_period != 0)
5924                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5925 }
5926
5927 static void
5928 daprevent(struct cam_periph *periph, int action)
5929 {
5930         struct  da_softc *softc;
5931         union   ccb *ccb;
5932         int     error;
5933
5934         cam_periph_assert(periph, MA_OWNED);
5935         softc = (struct da_softc *)periph->softc;
5936
5937         if (((action == PR_ALLOW)
5938           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5939          || ((action == PR_PREVENT)
5940           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5941                 return;
5942         }
5943
5944         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5945
5946         scsi_prevent(&ccb->csio,
5947                      /*retries*/1,
5948                      /*cbcfp*/NULL,
5949                      MSG_SIMPLE_Q_TAG,
5950                      action,
5951                      SSD_FULL_SIZE,
5952                      5000);
5953
5954         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5955             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5956
5957         if (error == 0) {
5958                 if (action == PR_ALLOW)
5959                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
5960                 else
5961                         softc->flags |= DA_FLAG_PACK_LOCKED;
5962         }
5963
5964         xpt_release_ccb(ccb);
5965 }
5966
5967 static void
5968 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5969           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5970 {
5971         struct ccb_calc_geometry ccg;
5972         struct da_softc *softc;
5973         struct disk_params *dp;
5974         u_int lbppbe, lalba;
5975         int error;
5976
5977         softc = (struct da_softc *)periph->softc;
5978
5979         dp = &softc->params;
5980         dp->secsize = block_len;
5981         dp->sectors = maxsector + 1;
5982         if (rcaplong != NULL) {
5983                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
5984                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
5985                 lalba &= SRC16_LALBA_A;
5986         } else {
5987                 lbppbe = 0;
5988                 lalba = 0;
5989         }
5990
5991         if (lbppbe > 0) {
5992                 dp->stripesize = block_len << lbppbe;
5993                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
5994                     dp->stripesize;
5995         } else if (softc->quirks & DA_Q_4K) {
5996                 dp->stripesize = 4096;
5997                 dp->stripeoffset = 0;
5998         } else if (softc->unmap_gran != 0) {
5999                 dp->stripesize = block_len * softc->unmap_gran;
6000                 dp->stripeoffset = (dp->stripesize - block_len *
6001                     softc->unmap_gran_align) % dp->stripesize;
6002         } else {
6003                 dp->stripesize = 0;
6004                 dp->stripeoffset = 0;
6005         }
6006         /*
6007          * Have the controller provide us with a geometry
6008          * for this disk.  The only time the geometry
6009          * matters is when we boot and the controller
6010          * is the only one knowledgeable enough to come
6011          * up with something that will make this a bootable
6012          * device.
6013          */
6014         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6015         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6016         ccg.block_size = dp->secsize;
6017         ccg.volume_size = dp->sectors;
6018         ccg.heads = 0;
6019         ccg.secs_per_track = 0;
6020         ccg.cylinders = 0;
6021         xpt_action((union ccb*)&ccg);
6022         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6023                 /*
6024                  * We don't know what went wrong here- but just pick
6025                  * a geometry so we don't have nasty things like divide
6026                  * by zero.
6027                  */
6028                 dp->heads = 255;
6029                 dp->secs_per_track = 255;
6030                 dp->cylinders = dp->sectors / (255 * 255);
6031                 if (dp->cylinders == 0) {
6032                         dp->cylinders = 1;
6033                 }
6034         } else {
6035                 dp->heads = ccg.heads;
6036                 dp->secs_per_track = ccg.secs_per_track;
6037                 dp->cylinders = ccg.cylinders;
6038         }
6039
6040         /*
6041          * If the user supplied a read capacity buffer, and if it is
6042          * different than the previous buffer, update the data in the EDT.
6043          * If it's the same, we don't bother.  This avoids sending an
6044          * update every time someone opens this device.
6045          */
6046         if ((rcaplong != NULL)
6047          && (bcmp(rcaplong, &softc->rcaplong,
6048                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6049                 struct ccb_dev_advinfo cdai;
6050
6051                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6052                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6053                 cdai.buftype = CDAI_TYPE_RCAPLONG;
6054                 cdai.flags = CDAI_FLAG_STORE;
6055                 cdai.bufsiz = rcap_len;
6056                 cdai.buf = (uint8_t *)rcaplong;
6057                 xpt_action((union ccb *)&cdai);
6058                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6059                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6060                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
6061                         xpt_print(periph->path, "%s: failed to set read "
6062                                   "capacity advinfo\n", __func__);
6063                         /* Use cam_error_print() to decode the status */
6064                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6065                                         CAM_EPF_ALL);
6066                 } else {
6067                         bcopy(rcaplong, &softc->rcaplong,
6068                               min(sizeof(softc->rcaplong), rcap_len));
6069                 }
6070         }
6071
6072         softc->disk->d_sectorsize = softc->params.secsize;
6073         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6074         softc->disk->d_stripesize = softc->params.stripesize;
6075         softc->disk->d_stripeoffset = softc->params.stripeoffset;
6076         /* XXX: these are not actually "firmware" values, so they may be wrong */
6077         softc->disk->d_fwsectors = softc->params.secs_per_track;
6078         softc->disk->d_fwheads = softc->params.heads;
6079         softc->disk->d_devstat->block_size = softc->params.secsize;
6080         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6081
6082         error = disk_resize(softc->disk, M_NOWAIT);
6083         if (error != 0)
6084                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6085 }
6086
6087 static void
6088 dasendorderedtag(void *arg)
6089 {
6090         struct cam_periph *periph = arg;
6091         struct da_softc *softc = periph->softc;
6092
6093         cam_periph_assert(periph, MA_OWNED);
6094         if (da_send_ordered) {
6095                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
6096                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6097                                 softc->flags |= DA_FLAG_NEED_OTAG;
6098                         softc->flags &= ~DA_FLAG_WAS_OTAG;
6099                 }
6100         }
6101
6102         /* Queue us up again */
6103         callout_reset(&softc->sendordered_c,
6104             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
6105             dasendorderedtag, periph);
6106 }
6107
6108 /*
6109  * Step through all DA peripheral drivers, and if the device is still open,
6110  * sync the disk cache to physical media.
6111  */
6112 static void
6113 dashutdown(void * arg, int howto)
6114 {
6115         struct cam_periph *periph;
6116         struct da_softc *softc;
6117         union ccb *ccb;
6118         int error;
6119
6120         CAM_PERIPH_FOREACH(periph, &dadriver) {
6121                 softc = (struct da_softc *)periph->softc;
6122                 if (SCHEDULER_STOPPED()) {
6123                         /* If we paniced with the lock held, do not recurse. */
6124                         if (!cam_periph_owned(periph) &&
6125                             (softc->flags & DA_FLAG_OPEN)) {
6126                                 dadump(softc->disk, NULL, 0, 0, 0);
6127                         }
6128                         continue;
6129                 }
6130                 cam_periph_lock(periph);
6131
6132                 /*
6133                  * We only sync the cache if the drive is still open, and
6134                  * if the drive is capable of it..
6135                  */
6136                 if (((softc->flags & DA_FLAG_OPEN) == 0)
6137                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6138                         cam_periph_unlock(periph);
6139                         continue;
6140                 }
6141
6142                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6143                 scsi_synchronize_cache(&ccb->csio,
6144                                        /*retries*/0,
6145                                        /*cbfcnp*/NULL,
6146                                        MSG_SIMPLE_Q_TAG,
6147                                        /*begin_lba*/0, /* whole disk */
6148                                        /*lb_count*/0,
6149                                        SSD_FULL_SIZE,
6150                                        60 * 60 * 1000);
6151
6152                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6153                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6154                     softc->disk->d_devstat);
6155                 if (error != 0)
6156                         xpt_print(periph->path, "Synchronize cache failed\n");
6157                 xpt_release_ccb(ccb);
6158                 cam_periph_unlock(periph);
6159         }
6160 }
6161
6162 #else /* !_KERNEL */
6163
6164 /*
6165  * XXX These are only left out of the kernel build to silence warnings.  If,
6166  * for some reason these functions are used in the kernel, the ifdefs should
6167  * be moved so they are included both in the kernel and userland.
6168  */
6169 void
6170 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6171                  void (*cbfcnp)(struct cam_periph *, union ccb *),
6172                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6173                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6174                  u_int32_t timeout)
6175 {
6176         struct scsi_format_unit *scsi_cmd;
6177
6178         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6179         scsi_cmd->opcode = FORMAT_UNIT;
6180         scsi_cmd->byte2 = byte2;
6181         scsi_ulto2b(ileave, scsi_cmd->interleave);
6182
6183         cam_fill_csio(csio,
6184                       retries,
6185                       cbfcnp,
6186                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6187                       tag_action,
6188                       data_ptr,
6189                       dxfer_len,
6190                       sense_len,
6191                       sizeof(*scsi_cmd),
6192                       timeout);
6193 }
6194
6195 void
6196 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6197                   void (*cbfcnp)(struct cam_periph *, union ccb *),
6198                   uint8_t tag_action, uint8_t list_format,
6199                   uint32_t addr_desc_index, uint8_t *data_ptr,
6200                   uint32_t dxfer_len, int minimum_cmd_size,
6201                   uint8_t sense_len, uint32_t timeout)
6202 {
6203         uint8_t cdb_len;
6204
6205         /*
6206          * These conditions allow using the 10 byte command.  Otherwise we
6207          * need to use the 12 byte command.
6208          */
6209         if ((minimum_cmd_size <= 10)
6210          && (addr_desc_index == 0)
6211          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6212                 struct scsi_read_defect_data_10 *cdb10;
6213
6214                 cdb10 = (struct scsi_read_defect_data_10 *)
6215                         &csio->cdb_io.cdb_bytes;
6216
6217                 cdb_len = sizeof(*cdb10);
6218                 bzero(cdb10, cdb_len);
6219                 cdb10->opcode = READ_DEFECT_DATA_10;
6220                 cdb10->format = list_format;
6221                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6222         } else {
6223                 struct scsi_read_defect_data_12 *cdb12;
6224
6225                 cdb12 = (struct scsi_read_defect_data_12 *)
6226                         &csio->cdb_io.cdb_bytes;
6227
6228                 cdb_len = sizeof(*cdb12);
6229                 bzero(cdb12, cdb_len);
6230                 cdb12->opcode = READ_DEFECT_DATA_12;
6231                 cdb12->format = list_format;
6232                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6233                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6234         }
6235
6236         cam_fill_csio(csio,
6237                       retries,
6238                       cbfcnp,
6239                       /*flags*/ CAM_DIR_IN,
6240                       tag_action,
6241                       data_ptr,
6242                       dxfer_len,
6243                       sense_len,
6244                       cdb_len,
6245                       timeout);
6246 }
6247
6248 void
6249 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6250               void (*cbfcnp)(struct cam_periph *, union ccb *),
6251               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6252               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6253               u_int32_t timeout)
6254 {
6255         struct scsi_sanitize *scsi_cmd;
6256
6257         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6258         scsi_cmd->opcode = SANITIZE;
6259         scsi_cmd->byte2 = byte2;
6260         scsi_cmd->control = control;
6261         scsi_ulto2b(dxfer_len, scsi_cmd->length);
6262
6263         cam_fill_csio(csio,
6264                       retries,
6265                       cbfcnp,
6266                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6267                       tag_action,
6268                       data_ptr,
6269                       dxfer_len,
6270                       sense_len,
6271                       sizeof(*scsi_cmd),
6272                       timeout);
6273 }
6274
6275 #endif /* _KERNEL */
6276
6277 void
6278 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6279              void (*cbfcnp)(struct cam_periph *, union ccb *),
6280              uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6281              uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6282              uint8_t sense_len, uint32_t timeout)
6283 {
6284         struct scsi_zbc_out *scsi_cmd;
6285
6286         scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6287         scsi_cmd->opcode = ZBC_OUT;
6288         scsi_cmd->service_action = service_action;
6289         scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6290         scsi_cmd->zone_flags = zone_flags;
6291
6292         cam_fill_csio(csio,
6293                       retries,
6294                       cbfcnp,
6295                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6296                       tag_action,
6297                       data_ptr,
6298                       dxfer_len,
6299                       sense_len,
6300                       sizeof(*scsi_cmd),
6301                       timeout);
6302 }
6303
6304 void
6305 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6306             void (*cbfcnp)(struct cam_periph *, union ccb *),
6307             uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6308             uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6309             uint8_t sense_len, uint32_t timeout)
6310 {
6311         struct scsi_zbc_in *scsi_cmd;
6312
6313         scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6314         scsi_cmd->opcode = ZBC_IN;
6315         scsi_cmd->service_action = service_action;
6316         scsi_ulto4b(dxfer_len, scsi_cmd->length);
6317         scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6318         scsi_cmd->zone_options = zone_options;
6319
6320         cam_fill_csio(csio,
6321                       retries,
6322                       cbfcnp,
6323                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6324                       tag_action,
6325                       data_ptr,
6326                       dxfer_len,
6327                       sense_len,
6328                       sizeof(*scsi_cmd),
6329                       timeout);
6330
6331 }
6332
6333 int
6334 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6335                       void (*cbfcnp)(struct cam_periph *, union ccb *),
6336                       uint8_t tag_action, int use_ncq,
6337                       uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6338                       uint8_t *data_ptr, uint32_t dxfer_len,
6339                       uint8_t *cdb_storage, size_t cdb_storage_len,
6340                       uint8_t sense_len, uint32_t timeout)
6341 {
6342         uint8_t command_out, protocol, ata_flags;
6343         uint16_t features_out;
6344         uint32_t sectors_out, auxiliary;
6345         int retval;
6346
6347         retval = 0;
6348
6349         if (use_ncq == 0) {
6350                 command_out = ATA_ZAC_MANAGEMENT_OUT;
6351                 features_out = (zm_action & 0xf) | (zone_flags << 8);
6352                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6353                 if (dxfer_len == 0) {
6354                         protocol = AP_PROTO_NON_DATA;
6355                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
6356                         sectors_out = 0;
6357                 } else {
6358                         protocol = AP_PROTO_DMA;
6359                         ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6360                                      AP_FLAG_TDIR_TO_DEV;
6361                         sectors_out = ((dxfer_len >> 9) & 0xffff);
6362                 }
6363                 auxiliary = 0;
6364         } else {
6365                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6366                 if (dxfer_len == 0) {
6367                         command_out = ATA_NCQ_NON_DATA;
6368                         features_out = ATA_NCQ_ZAC_MGMT_OUT;
6369                         /*
6370                          * We're assuming the SCSI to ATA translation layer
6371                          * will set the NCQ tag number in the tag field.
6372                          * That isn't clear from the SAT-4 spec (as of rev 05).
6373                          */
6374                         sectors_out = 0;
6375                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
6376                 } else {
6377                         command_out = ATA_SEND_FPDMA_QUEUED;
6378                         /*
6379                          * Note that we're defaulting to normal priority,
6380                          * and assuming that the SCSI to ATA translation
6381                          * layer will insert the NCQ tag number in the tag
6382                          * field.  That isn't clear in the SAT-4 spec (as
6383                          * of rev 05).
6384                          */
6385                         sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6386
6387                         ata_flags |= AP_FLAG_TLEN_FEAT |
6388                                      AP_FLAG_TDIR_TO_DEV;
6389
6390                         /*
6391                          * For SEND FPDMA QUEUED, the transfer length is
6392                          * encoded in the FEATURE register, and 0 means
6393                          * that 65536 512 byte blocks are to be tranferred.
6394                          * In practice, it seems unlikely that we'll see
6395                          * a transfer that large, and it may confuse the
6396                          * the SAT layer, because generally that means that
6397                          * 0 bytes should be transferred.
6398                          */
6399                         if (dxfer_len == (65536 * 512)) {
6400                                 features_out = 0;
6401                         } else if (dxfer_len <= (65535 * 512)) {
6402                                 features_out = ((dxfer_len >> 9) & 0xffff);
6403                         } else {
6404                                 /* The transfer is too big. */
6405                                 retval = 1;
6406                                 goto bailout;
6407                         }
6408
6409                 }
6410
6411                 auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6412                 protocol = AP_PROTO_FPDMA;
6413         }
6414
6415         protocol |= AP_EXTEND;
6416
6417         retval = scsi_ata_pass(csio,
6418             retries,
6419             cbfcnp,
6420             /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6421             tag_action,
6422             /*protocol*/ protocol,
6423             /*ata_flags*/ ata_flags,
6424             /*features*/ features_out,
6425             /*sector_count*/ sectors_out,
6426             /*lba*/ zone_id,
6427             /*command*/ command_out,
6428             /*device*/ 0,
6429             /*icc*/ 0,
6430             /*auxiliary*/ auxiliary,
6431             /*control*/ 0,
6432             /*data_ptr*/ data_ptr,
6433             /*dxfer_len*/ dxfer_len,
6434             /*cdb_storage*/ cdb_storage,
6435             /*cdb_storage_len*/ cdb_storage_len,
6436             /*minimum_cmd_size*/ 0,
6437             /*sense_len*/ SSD_FULL_SIZE,
6438             /*timeout*/ timeout);
6439
6440 bailout:
6441
6442         return (retval);
6443 }
6444
6445 int
6446 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6447                      void (*cbfcnp)(struct cam_periph *, union ccb *),
6448                      uint8_t tag_action, int use_ncq,
6449                      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6450                      uint8_t *data_ptr, uint32_t dxfer_len,
6451                      uint8_t *cdb_storage, size_t cdb_storage_len,
6452                      uint8_t sense_len, uint32_t timeout)
6453 {
6454         uint8_t command_out, protocol;
6455         uint16_t features_out, sectors_out;
6456         uint32_t auxiliary;
6457         int ata_flags;
6458         int retval;
6459
6460         retval = 0;
6461         ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6462
6463         if (use_ncq == 0) {
6464                 command_out = ATA_ZAC_MANAGEMENT_IN;
6465                 /* XXX KDM put a macro here */
6466                 features_out = (zm_action & 0xf) | (zone_flags << 8);
6467                 sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6468                 protocol = AP_PROTO_DMA;
6469                 ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6470                 auxiliary = 0;
6471         } else {
6472                 ata_flags |= AP_FLAG_TLEN_FEAT;
6473
6474                 command_out = ATA_RECV_FPDMA_QUEUED;
6475                 sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6476
6477                 /*
6478                  * For RECEIVE FPDMA QUEUED, the transfer length is
6479                  * encoded in the FEATURE register, and 0 means
6480                  * that 65536 512 byte blocks are to be tranferred.
6481                  * In practice, it seems unlikely that we'll see
6482                  * a transfer that large, and it may confuse the
6483                  * the SAT layer, because generally that means that
6484                  * 0 bytes should be transferred.
6485                  */
6486                 if (dxfer_len == (65536 * 512)) {
6487                         features_out = 0;
6488                 } else if (dxfer_len <= (65535 * 512)) {
6489                         features_out = ((dxfer_len >> 9) & 0xffff);
6490                 } else {
6491                         /* The transfer is too big. */
6492                         retval = 1;
6493                         goto bailout;
6494                 }
6495                 auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6496                 protocol = AP_PROTO_FPDMA;
6497         }
6498
6499         protocol |= AP_EXTEND;
6500
6501         retval = scsi_ata_pass(csio,
6502             retries,
6503             cbfcnp,
6504             /*flags*/ CAM_DIR_IN,
6505             tag_action,
6506             /*protocol*/ protocol,
6507             /*ata_flags*/ ata_flags,
6508             /*features*/ features_out,
6509             /*sector_count*/ sectors_out,
6510             /*lba*/ zone_id,
6511             /*command*/ command_out,
6512             /*device*/ 0,
6513             /*icc*/ 0,
6514             /*auxiliary*/ auxiliary,
6515             /*control*/ 0,
6516             /*data_ptr*/ data_ptr,
6517             /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6518             /*cdb_storage*/ cdb_storage,
6519             /*cdb_storage_len*/ cdb_storage_len,
6520             /*minimum_cmd_size*/ 0,
6521             /*sense_len*/ SSD_FULL_SIZE,
6522             /*timeout*/ timeout);
6523
6524 bailout:
6525         return (retval);
6526 }