sys/cam/scsi/scsi_cd.c

   1 /*-
   2  * Copyright (c) 1997 Justin T. Gibbs.
   3  * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer,
  11  *    without modification, immediately at the beginning of the file.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 /*-
  29  * Portions of this driver taken from the original FreeBSD cd driver.
  30  * Written by Julian Elischer (julian@tfs.com)
  31  * for TRW Financial Systems for use under the MACH(2.5) operating system.
  32  *
  33  * TRW Financial Systems, in accordance with their agreement with Carnegie
  34  * Mellon University, makes this software available to CMU to distribute
  35  * or use in any manner that they see fit as long as this message is kept with
  36  * the software. For this reason TFS also grants any other persons or
  37  * organisations permission to use or modify this software.
  38  *
  39  * TFS supplies this software to be publicly redistributed
  40  * on the understanding that TFS is not responsible for the correct
  41  * functioning of this software in any circumstances.
  42  *
  43  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
  44  *
  45  *      from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
  46  */
  47
  48 #include <sys/cdefs.h>
  49 __FBSDID("$FreeBSD$");
  50
  51 #include "opt_cd.h"
  52
  53 #include <sys/param.h>
  54 #include <sys/systm.h>
  55 #include <sys/kernel.h>
  56 #include <sys/bio.h>
  57 #include <sys/conf.h>
  58 #include <sys/disk.h>
  59 #include <sys/malloc.h>
  60 #include <sys/cdio.h>
  61 #include <sys/cdrio.h>
  62 #include <sys/dvdio.h>
  63 #include <sys/devicestat.h>
  64 #include <sys/sysctl.h>
  65 #include <sys/taskqueue.h>
  66 #include <geom/geom_disk.h>
  67
  68 #include <cam/cam.h>
  69 #include <cam/cam_ccb.h>
  70 #include <cam/cam_periph.h>
  71 #include <cam/cam_xpt_periph.h>
  72 #include <cam/cam_queue.h>
  73 #include <cam/cam_sim.h>
  74
  75 #include <cam/scsi/scsi_message.h>
  76 #include <cam/scsi/scsi_da.h>
  77 #include <cam/scsi/scsi_cd.h>
  78
  79 #define LEADOUT         0xaa            /* leadout toc entry */
  80
  81 struct cd_params {
  82         u_int32_t blksize;
  83         u_long    disksize;
  84 };
  85
  86 typedef enum {
  87         CD_Q_NONE               = 0x00,
  88         CD_Q_NO_TOUCH           = 0x01,
  89         CD_Q_BCD_TRACKS         = 0x02,
  90         CD_Q_10_BYTE_ONLY       = 0x10,
  91         CD_Q_RETRY_BUSY         = 0x40
  92 } cd_quirks;
  93
  94 #define CD_Q_BIT_STRING         \
  95         "\020"                  \
  96         "\001NO_TOUCH"          \
  97         "\002BCD_TRACKS"        \
  98         "\00510_BYTE_ONLY"      \
  99         "\007RETRY_BUSY"
 100
 101 typedef enum {
 102         CD_FLAG_INVALID         = 0x0001,
 103         CD_FLAG_NEW_DISC        = 0x0002,
 104         CD_FLAG_DISC_LOCKED     = 0x0004,
 105         CD_FLAG_DISC_REMOVABLE  = 0x0008,
 106         CD_FLAG_SAW_MEDIA       = 0x0010,
 107         CD_FLAG_ACTIVE          = 0x0080,
 108         CD_FLAG_SCHED_ON_COMP   = 0x0100,
 109         CD_FLAG_RETRY_UA        = 0x0200,
 110         CD_FLAG_VALID_MEDIA     = 0x0400,
 111         CD_FLAG_VALID_TOC       = 0x0800,
 112         CD_FLAG_SCTX_INIT       = 0x1000
 113 } cd_flags;
 114
 115 typedef enum {
 116         CD_CCB_PROBE            = 0x01,
 117         CD_CCB_BUFFER_IO        = 0x02,
 118         CD_CCB_TUR              = 0x04,
 119         CD_CCB_TYPE_MASK        = 0x0F,
 120         CD_CCB_RETRY_UA         = 0x10
 121 } cd_ccb_state;
 122
 123 #define ccb_state ppriv_field0
 124 #define ccb_bp ppriv_ptr1
 125
 126 struct cd_tocdata {
 127         struct ioc_toc_header header;
 128         struct cd_toc_entry entries[100];
 129 };
 130
 131 struct cd_toc_single {
 132         struct ioc_toc_header header;
 133         struct cd_toc_entry entry;
 134 };
 135
 136 typedef enum {
 137         CD_STATE_PROBE,
 138         CD_STATE_NORMAL
 139 } cd_state;
 140
 141 struct cd_softc {
 142         cam_pinfo               pinfo;
 143         cd_state                state;
 144         volatile cd_flags       flags;
 145         struct bio_queue_head   bio_queue;
 146         LIST_HEAD(, ccb_hdr)    pending_ccbs;
 147         struct cd_params        params;
 148         union ccb               saved_ccb;
 149         cd_quirks               quirks;
 150         struct cam_periph       *periph;
 151         int                     minimum_command_size;
 152         int                     outstanding_cmds;
 153         int                     tur;
 154         struct task             sysctl_task;
 155         struct sysctl_ctx_list  sysctl_ctx;
 156         struct sysctl_oid       *sysctl_tree;
 157         STAILQ_HEAD(, cd_mode_params)   mode_queue;
 158         struct cd_tocdata       toc;
 159         struct disk             *disk;
 160         struct callout          mediapoll_c;
 161 };
 162
 163 struct cd_page_sizes {
 164         int page;
 165         int page_size;
 166 };
 167
 168 static struct cd_page_sizes cd_page_size_table[] =
 169 {
 170         { AUDIO_PAGE, sizeof(struct cd_audio_page)}
 171 };
 172
 173 struct cd_quirk_entry {
 174         struct scsi_inquiry_pattern inq_pat;
 175         cd_quirks quirks;
 176 };
 177
 178 /*
 179  * NOTE ON 10_BYTE_ONLY quirks:  Any 10_BYTE_ONLY quirks MUST be because
 180  * your device hangs when it gets a 10 byte command.  Adding a quirk just
 181  * to get rid of the informative diagnostic message is not acceptable.  All
 182  * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
 183  * referenced in a comment along with the quirk) , and must be approved by
 184  * ken@FreeBSD.org.  Any quirks added that don't adhere to this policy may
 185  * be removed until the submitter can explain why they are needed.
 186  * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
 187  * when the CAM_NEW_TRAN_CODE work is done.
 188  */
 189 static struct cd_quirk_entry cd_quirk_table[] =
 190 {
 191         {
 192                 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
 193                 /* quirks */ CD_Q_BCD_TRACKS
 194         },
 195         {
 196                 /*
 197                  * VMware returns BUSY status when storage has transient
 198                  * connectivity problems, so better wait.
 199                  */
 200                 {T_CDROM, SIP_MEDIA_REMOVABLE, "NECVMWar", "VMware IDE CDR10", "*"},
 201                 /*quirks*/ CD_Q_RETRY_BUSY
 202         }
 203 };
 204
 205 static  disk_open_t     cdopen;
 206 static  disk_close_t    cdclose;
 207 static  disk_ioctl_t    cdioctl;
 208 static  disk_strategy_t cdstrategy;
 209
 210 static  periph_init_t   cdinit;
 211 static  periph_ctor_t   cdregister;
 212 static  periph_dtor_t   cdcleanup;
 213 static  periph_start_t  cdstart;
 214 static  periph_oninv_t  cdoninvalidate;
 215 static  void            cdasync(void *callback_arg, u_int32_t code,
 216                                 struct cam_path *path, void *arg);
 217 static  int             cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
 218 static  int             cdrunccb(union ccb *ccb,
 219                                  int (*error_routine)(union ccb *ccb,
 220                                                       u_int32_t cam_flags,
 221                                                       u_int32_t sense_flags),
 222                                  u_int32_t cam_flags, u_int32_t sense_flags);
 223 static  void            cddone(struct cam_periph *periph,
 224                                union ccb *start_ccb);
 225 static  union cd_pages  *cdgetpage(struct cd_mode_params *mode_params);
 226 static  int             cdgetpagesize(int page_num);
 227 static  void            cdprevent(struct cam_periph *periph, int action);
 228 static  int             cdcheckmedia(struct cam_periph *periph);
 229 static  int             cdsize(struct cam_periph *periph, u_int32_t *size);
 230 static  int             cd6byteworkaround(union ccb *ccb);
 231 static  int             cderror(union ccb *ccb, u_int32_t cam_flags,
 232                                 u_int32_t sense_flags);
 233 static  int             cdreadtoc(struct cam_periph *periph, u_int32_t mode,
 234                                   u_int32_t start, u_int8_t *data,
 235                                   u_int32_t len, u_int32_t sense_flags);
 236 static  int             cdgetmode(struct cam_periph *periph,
 237                                   struct cd_mode_params *data, u_int32_t page);
 238 static  int             cdsetmode(struct cam_periph *periph,
 239                                   struct cd_mode_params *data);
 240 static  int             cdplay(struct cam_periph *periph, u_int32_t blk,
 241                                u_int32_t len);
 242 static  int             cdreadsubchannel(struct cam_periph *periph,
 243                                          u_int32_t mode, u_int32_t format,
 244                                          int track,
 245                                          struct cd_sub_channel_info *data,
 246                                          u_int32_t len);
 247 static  int             cdplaymsf(struct cam_periph *periph, u_int32_t startm,
 248                                   u_int32_t starts, u_int32_t startf,
 249                                   u_int32_t endm, u_int32_t ends,
 250                                   u_int32_t endf);
 251 static  int             cdplaytracks(struct cam_periph *periph,
 252                                      u_int32_t strack, u_int32_t sindex,
 253                                      u_int32_t etrack, u_int32_t eindex);
 254 static  int             cdpause(struct cam_periph *periph, u_int32_t go);
 255 static  int             cdstopunit(struct cam_periph *periph, u_int32_t eject);
 256 static  int             cdstartunit(struct cam_periph *periph, int load);
 257 static  int             cdsetspeed(struct cam_periph *periph,
 258                                    u_int32_t rdspeed, u_int32_t wrspeed);
 259 static  int             cdreportkey(struct cam_periph *periph,
 260                                     struct dvd_authinfo *authinfo);
 261 static  int             cdsendkey(struct cam_periph *periph,
 262                                   struct dvd_authinfo *authinfo);
 263 static  int             cdreaddvdstructure(struct cam_periph *periph,
 264                                            struct dvd_struct *dvdstruct);
 265 static timeout_t        cdmediapoll;
 266
 267 static struct periph_driver cddriver =
 268 {
 269         cdinit, "cd",
 270         TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
 271 };
 272
 273 PERIPHDRIVER_DECLARE(cd, cddriver);
 274
 275 #ifndef CD_DEFAULT_POLL_PERIOD
 276 #define CD_DEFAULT_POLL_PERIOD  3
 277 #endif
 278 #ifndef CD_DEFAULT_RETRY
 279 #define CD_DEFAULT_RETRY        4
 280 #endif
 281 #ifndef CD_DEFAULT_TIMEOUT
 282 #define CD_DEFAULT_TIMEOUT      30000
 283 #endif
 284
 285 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD;
 286 static int cd_retry_count = CD_DEFAULT_RETRY;
 287 static int cd_timeout = CD_DEFAULT_TIMEOUT;
 288
 289 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
 290 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RWTUN,
 291            &cd_poll_period, 0, "Media polling period in seconds");
 292 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RWTUN,
 293            &cd_retry_count, 0, "Normal I/O retry count");
 294 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RWTUN,
 295            &cd_timeout, 0, "Timeout, in us, for read operations");
 296
 297 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers");
 298
 299 static void
 300 cdinit(void)
 301 {
 302         cam_status status;
 303
 304         /*
 305          * Install a global async callback.  This callback will
 306          * receive async callbacks like "new device found".
 307          */
 308         status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL);
 309
 310         if (status != CAM_REQ_CMP) {
 311                 printf("cd: Failed to attach master async callback "
 312                        "due to status 0x%x!\n", status);
 313         }
 314 }
 315
 316 /*
 317  * Callback from GEOM, called when it has finished cleaning up its
 318  * resources.
 319  */
 320 static void
 321 cddiskgonecb(struct disk *dp)
 322 {
 323         struct cam_periph *periph;
 324
 325         periph = (struct cam_periph *)dp->d_drv1;
 326         cam_periph_release(periph);
 327 }
 328
 329 static void
 330 cdoninvalidate(struct cam_periph *periph)
 331 {
 332         struct cd_softc *softc;
 333
 334         softc = (struct cd_softc *)periph->softc;
 335
 336         /*
 337          * De-register any async callbacks.
 338          */
 339         xpt_register_async(0, cdasync, periph, periph->path);
 340
 341         softc->flags |= CD_FLAG_INVALID;
 342
 343         /*
 344          * Return all queued I/O with ENXIO.
 345          * XXX Handle any transactions queued to the card
 346          *     with XPT_ABORT_CCB.
 347          */
 348         bioq_flush(&softc->bio_queue, NULL, ENXIO);
 349
 350         disk_gone(softc->disk);
 351 }
 352
 353 static void
 354 cdcleanup(struct cam_periph *periph)
 355 {
 356         struct cd_softc *softc;
 357
 358         softc = (struct cd_softc *)periph->softc;
 359
 360         cam_periph_unlock(periph);
 361         if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
 362             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
 363                 xpt_print(periph->path, "can't remove sysctl context\n");
 364         }
 365
 366         callout_drain(&softc->mediapoll_c);
 367         disk_destroy(softc->disk);
 368         free(softc, M_DEVBUF);
 369         cam_periph_lock(periph);
 370 }
 371
 372 static void
 373 cdasync(void *callback_arg, u_int32_t code,
 374         struct cam_path *path, void *arg)
 375 {
 376         struct cam_periph *periph;
 377         struct cd_softc *softc;
 378
 379         periph = (struct cam_periph *)callback_arg;
 380         switch (code) {
 381         case AC_FOUND_DEVICE:
 382         {
 383                 struct ccb_getdev *cgd;
 384                 cam_status status;
 385
 386                 cgd = (struct ccb_getdev *)arg;
 387                 if (cgd == NULL)
 388                         break;
 389
 390                 if (cgd->protocol != PROTO_SCSI)
 391                         break;
 392
 393                 if (SID_TYPE(&cgd->inq_data) != T_CDROM
 394                     && SID_TYPE(&cgd->inq_data) != T_WORM)
 395                         break;
 396
 397                 /*
 398                  * Allocate a peripheral instance for
 399                  * this device and start the probe
 400                  * process.
 401                  */
 402                 status = cam_periph_alloc(cdregister, cdoninvalidate,
 403                                           cdcleanup, cdstart,
 404                                           "cd", CAM_PERIPH_BIO,
 405                                           path, cdasync,
 406                                           AC_FOUND_DEVICE, cgd);
 407
 408                 if (status != CAM_REQ_CMP
 409                  && status != CAM_REQ_INPROG)
 410                         printf("cdasync: Unable to attach new device "
 411                                "due to status 0x%x\n", status);
 412
 413                 break;
 414         }
 415         case AC_UNIT_ATTENTION:
 416         {
 417                 union ccb *ccb;
 418                 int error_code, sense_key, asc, ascq;
 419
 420                 softc = (struct cd_softc *)periph->softc;
 421                 ccb = (union ccb *)arg;
 422
 423                 /*
 424                  * Handle all media change UNIT ATTENTIONs except
 425                  * our own, as they will be handled by cderror().
 426                  */
 427                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
 428                     scsi_extract_sense_ccb(ccb,
 429                      &error_code, &sense_key, &asc, &ascq)) {
 430                         if (asc == 0x28 && ascq == 0x00)
 431                                 disk_media_changed(softc->disk, M_NOWAIT);
 432                 }
 433                 cam_periph_async(periph, code, path, arg);
 434                 break;
 435         }
 436         case AC_SCSI_AEN:
 437                 softc = (struct cd_softc *)periph->softc;
 438                 if (softc->state == CD_STATE_NORMAL && !softc->tur) {
 439                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
 440                                 softc->tur = 1;
 441                                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 442                         }
 443                 }
 444                 /* FALLTHROUGH */
 445         case AC_SENT_BDR:
 446         case AC_BUS_RESET:
 447         {
 448                 struct ccb_hdr *ccbh;
 449
 450                 softc = (struct cd_softc *)periph->softc;
 451                 /*
 452                  * Don't fail on the expected unit attention
 453                  * that will occur.
 454                  */
 455                 softc->flags |= CD_FLAG_RETRY_UA;
 456                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
 457                         ccbh->ccb_state |= CD_CCB_RETRY_UA;
 458                 /* FALLTHROUGH */
 459         }
 460         default:
 461                 cam_periph_async(periph, code, path, arg);
 462                 break;
 463         }
 464 }
 465
 466 static void
 467 cdsysctlinit(void *context, int pending)
 468 {
 469         struct cam_periph *periph;
 470         struct cd_softc *softc;
 471         char tmpstr[80], tmpstr2[80];
 472
 473         periph = (struct cam_periph *)context;
 474         if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 475                 return;
 476
 477         softc = (struct cd_softc *)periph->softc;
 478         snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
 479         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
 480
 481         sysctl_ctx_init(&softc->sysctl_ctx);
 482         softc->flags |= CD_FLAG_SCTX_INIT;
 483         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
 484                 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
 485                 tmpstr2, CTLFLAG_RD, 0, tmpstr);
 486
 487         if (softc->sysctl_tree == NULL) {
 488                 printf("cdsysctlinit: unable to allocate sysctl tree\n");
 489                 cam_periph_release(periph);
 490                 return;
 491         }
 492
 493         /*
 494          * Now register the sysctl handler, so the user can the value on
 495          * the fly.
 496          */
 497         SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
 498                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
 499                 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
 500                 "Minimum CDB size");
 501
 502         cam_periph_release(periph);
 503 }
 504
 505 /*
 506  * We have a handler function for this so we can check the values when the
 507  * user sets them, instead of every time we look at them.
 508  */
 509 static int
 510 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
 511 {
 512         int error, value;
 513
 514         value = *(int *)arg1;
 515
 516         error = sysctl_handle_int(oidp, &value, 0, req);
 517
 518         if ((error != 0)
 519          || (req->newptr == NULL))
 520                 return (error);
 521
 522         /*
 523          * The only real values we can have here are 6 or 10.  I don't
 524          * really forsee having 12 be an option at any time in the future.
 525          * So if the user sets something less than or equal to 6, we'll set
 526          * it to 6.  If he sets something greater than 6, we'll set it to 10.
 527          *
 528          * I suppose we could just return an error here for the wrong values,
 529          * but I don't think it's necessary to do so, as long as we can
 530          * determine the user's intent without too much trouble.
 531          */
 532         if (value < 6)
 533                 value = 6;
 534         else if (value > 6)
 535                 value = 10;
 536
 537         *(int *)arg1 = value;
 538
 539         return (0);
 540 }
 541
 542 static cam_status
 543 cdregister(struct cam_periph *periph, void *arg)
 544 {
 545         struct cd_softc *softc;
 546         struct ccb_pathinq cpi;
 547         struct ccb_getdev *cgd;
 548         char tmpstr[80];
 549         caddr_t match;
 550
 551         cgd = (struct ccb_getdev *)arg;
 552         if (cgd == NULL) {
 553                 printf("cdregister: no getdev CCB, can't register device\n");
 554                 return(CAM_REQ_CMP_ERR);
 555         }
 556
 557         softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,
 558             M_NOWAIT | M_ZERO);
 559         if (softc == NULL) {
 560                 printf("cdregister: Unable to probe new device. "
 561                        "Unable to allocate softc\n");
 562                 return(CAM_REQ_CMP_ERR);
 563         }
 564
 565         LIST_INIT(&softc->pending_ccbs);
 566         STAILQ_INIT(&softc->mode_queue);
 567         softc->state = CD_STATE_PROBE;
 568         bioq_init(&softc->bio_queue);
 569         if (SID_IS_REMOVABLE(&cgd->inq_data))
 570                 softc->flags |= CD_FLAG_DISC_REMOVABLE;
 571
 572         periph->softc = softc;
 573         softc->periph = periph;
 574
 575         /*
 576          * See if this device has any quirks.
 577          */
 578         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
 579                                (caddr_t)cd_quirk_table,
 580                                sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
 581                                sizeof(*cd_quirk_table), scsi_inquiry_match);
 582
 583         if (match != NULL)
 584                 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
 585         else
 586                 softc->quirks = CD_Q_NONE;
 587
 588         /* Check if the SIM does not want 6 byte commands */
 589         bzero(&cpi, sizeof(cpi));
 590         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
 591         cpi.ccb_h.func_code = XPT_PATH_INQ;
 592         xpt_action((union ccb *)&cpi);
 593         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
 594                 softc->quirks |= CD_Q_10_BYTE_ONLY;
 595
 596         TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
 597
 598         /* The default is 6 byte commands, unless quirked otherwise */
 599         if (softc->quirks & CD_Q_10_BYTE_ONLY)
 600                 softc->minimum_command_size = 10;
 601         else
 602                 softc->minimum_command_size = 6;
 603
 604         /*
 605          * Refcount and block open attempts until we are setup
 606          * Can't block
 607          */
 608         (void)cam_periph_hold(periph, PRIBIO);
 609         cam_periph_unlock(periph);
 610         /*
 611          * Load the user's default, if any.
 612          */
 613         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
 614                  periph->unit_number);
 615         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
 616
 617         /* 6 and 10 are the only permissible values here. */
 618         if (softc->minimum_command_size < 6)
 619                 softc->minimum_command_size = 6;
 620         else if (softc->minimum_command_size > 6)
 621                 softc->minimum_command_size = 10;
 622
 623         /*
 624          * We need to register the statistics structure for this device,
 625          * but we don't have the blocksize yet for it.  So, we register
 626          * the structure and indicate that we don't have the blocksize
 627          * yet.  Unlike other SCSI peripheral drivers, we explicitly set
 628          * the device type here to be CDROM, rather than just ORing in
 629          * the device type.  This is because this driver can attach to either
 630          * CDROM or WORM devices, and we want this peripheral driver to
 631          * show up in the devstat list as a CD peripheral driver, not a
 632          * WORM peripheral driver.  WORM drives will also have the WORM
 633          * driver attached to them.
 634          */
 635         softc->disk = disk_alloc();
 636         softc->disk->d_devstat = devstat_new_entry("cd",
 637                           periph->unit_number, 0,
 638                           DEVSTAT_BS_UNAVAILABLE,
 639                           DEVSTAT_TYPE_CDROM |
 640                           XPORT_DEVSTAT_TYPE(cpi.transport),
 641                           DEVSTAT_PRIORITY_CD);
 642         softc->disk->d_open = cdopen;
 643         softc->disk->d_close = cdclose;
 644         softc->disk->d_strategy = cdstrategy;
 645         softc->disk->d_gone = cddiskgonecb;
 646         softc->disk->d_ioctl = cdioctl;
 647         softc->disk->d_name = "cd";
 648         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
 649             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
 650         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
 651         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
 652             cgd->inq_data.product, sizeof(cgd->inq_data.product),
 653             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
 654         softc->disk->d_unit = periph->unit_number;
 655         softc->disk->d_drv1 = periph;
 656         if (cpi.maxio == 0)
 657                 softc->disk->d_maxsize = DFLTPHYS;      /* traditional default */
 658         else if (cpi.maxio > MAXPHYS)
 659                 softc->disk->d_maxsize = MAXPHYS;       /* for safety */
 660         else
 661                 softc->disk->d_maxsize = cpi.maxio;
 662         softc->disk->d_flags = 0;
 663         softc->disk->d_hba_vendor = cpi.hba_vendor;
 664         softc->disk->d_hba_device = cpi.hba_device;
 665         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
 666         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
 667
 668         /*
 669          * Acquire a reference to the periph before we register with GEOM.
 670          * We'll release this reference once GEOM calls us back (via
 671          * dadiskgonecb()) telling us that our provider has been freed.
 672          */
 673         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
 674                 xpt_print(periph->path, "%s: lost periph during "
 675                           "registration!\n", __func__);
 676                 cam_periph_lock(periph);
 677                 return (CAM_REQ_CMP_ERR);
 678         }
 679
 680         disk_create(softc->disk, DISK_VERSION);
 681         cam_periph_lock(periph);
 682
 683         /*
 684          * Add an async callback so that we get
 685          * notified if this device goes away.
 686          */
 687         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
 688             AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path);
 689
 690         /*
 691          * Schedule a periodic media polling events.
 692          */
 693         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
 694         if ((softc->flags & CD_FLAG_DISC_REMOVABLE) &&
 695             (cgd->inq_flags & SID_AEN) == 0 &&
 696             cd_poll_period != 0)
 697                 callout_reset(&softc->mediapoll_c, cd_poll_period * hz,
 698                     cdmediapoll, periph);
 699
 700         xpt_schedule(periph, CAM_PRIORITY_DEV);
 701         return(CAM_REQ_CMP);
 702 }
 703
 704 static int
 705 cdopen(struct disk *dp)
 706 {
 707         struct cam_periph *periph;
 708         struct cd_softc *softc;
 709         int error;
 710
 711         periph = (struct cam_periph *)dp->d_drv1;
 712         softc = (struct cd_softc *)periph->softc;
 713
 714         if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 715                 return(ENXIO);
 716
 717         cam_periph_lock(periph);
 718
 719         if (softc->flags & CD_FLAG_INVALID) {
 720                 cam_periph_release_locked(periph);
 721                 cam_periph_unlock(periph);
 722                 return(ENXIO);
 723         }
 724
 725         if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
 726                 cam_periph_release_locked(periph);
 727                 cam_periph_unlock(periph);
 728                 return (error);
 729         }
 730
 731         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
 732             ("cdopen\n"));
 733
 734         /*
 735          * Check for media, and set the appropriate flags.  We don't bail
 736          * if we don't have media, but then we don't allow anything but the
 737          * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
 738          */
 739         cdcheckmedia(periph);
 740
 741         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
 742         cam_periph_unhold(periph);
 743
 744         cam_periph_unlock(periph);
 745
 746         return (0);
 747 }
 748
 749 static int
 750 cdclose(struct disk *dp)
 751 {
 752         struct  cam_periph *periph;
 753         struct  cd_softc *softc;
 754
 755         periph = (struct cam_periph *)dp->d_drv1;
 756         softc = (struct cd_softc *)periph->softc;
 757
 758         cam_periph_lock(periph);
 759         if (cam_periph_hold(periph, PRIBIO) != 0) {
 760                 cam_periph_unlock(periph);
 761                 cam_periph_release(periph);
 762                 return (0);
 763         }
 764
 765         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
 766             ("cdclose\n"));
 767
 768         if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
 769                 cdprevent(periph, PR_ALLOW);
 770
 771         /*
 772          * Since we're closing this CD, mark the blocksize as unavailable.
 773          * It will be marked as available when the CD is opened again.
 774          */
 775         softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
 776
 777         /*
 778          * We'll check the media and toc again at the next open().
 779          */
 780         softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
 781
 782         cam_periph_unhold(periph);
 783         cam_periph_release_locked(periph);
 784         cam_periph_unlock(periph);
 785
 786         return (0);
 787 }
 788
 789 static int
 790 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
 791                                               u_int32_t cam_flags,
 792                                               u_int32_t sense_flags),
 793          u_int32_t cam_flags, u_int32_t sense_flags)
 794 {
 795         struct cd_softc *softc;
 796         struct cam_periph *periph;
 797         int error;
 798
 799         periph = xpt_path_periph(ccb->ccb_h.path);
 800         softc = (struct cd_softc *)periph->softc;
 801
 802         error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
 803                                   softc->disk->d_devstat);
 804
 805         return(error);
 806 }
 807
 808 /*
 809  * Actually translate the requested transfer into one the physical driver
 810  * can understand.  The transfer is described by a buf and will include
 811  * only one physical transfer.
 812  */
 813 static void
 814 cdstrategy(struct bio *bp)
 815 {
 816         struct cam_periph *periph;
 817         struct cd_softc *softc;
 818
 819         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
 820         cam_periph_lock(periph);
 821         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
 822             ("cdstrategy(%p)\n", bp));
 823
 824         softc = (struct cd_softc *)periph->softc;
 825
 826         /*
 827          * If the device has been made invalid, error out
 828          */
 829         if ((softc->flags & CD_FLAG_INVALID)) {
 830                 cam_periph_unlock(periph);
 831                 biofinish(bp, NULL, ENXIO);
 832                 return;
 833         }
 834
 835         /*
 836          * If we don't have valid media, look for it before trying to
 837          * schedule the I/O.
 838          */
 839         if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
 840                 int error;
 841
 842                 error = cdcheckmedia(periph);
 843                 if (error != 0) {
 844                         cam_periph_unlock(periph);
 845                         biofinish(bp, NULL, error);
 846                         return;
 847                 }
 848         }
 849
 850         /*
 851          * Place it in the queue of disk activities for this disk
 852          */
 853         bioq_disksort(&softc->bio_queue, bp);
 854
 855         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 856
 857         cam_periph_unlock(periph);
 858         return;
 859 }
 860
 861 static void
 862 cdstart(struct cam_periph *periph, union ccb *start_ccb)
 863 {
 864         struct cd_softc *softc;
 865         struct bio *bp;
 866         struct ccb_scsiio *csio;
 867         struct scsi_read_capacity_data *rcap;
 868
 869         softc = (struct cd_softc *)periph->softc;
 870
 871         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
 872
 873         switch (softc->state) {
 874         case CD_STATE_NORMAL:
 875         {
 876                 bp = bioq_first(&softc->bio_queue);
 877                 if (bp == NULL) {
 878                         if (softc->tur) {
 879                                 softc->tur = 0;
 880                                 csio = &start_ccb->csio;
 881                                 scsi_test_unit_ready(csio,
 882                                      /*retries*/ cd_retry_count,
 883                                      cddone,
 884                                      MSG_SIMPLE_Q_TAG,
 885                                      SSD_FULL_SIZE,
 886                                      cd_timeout);
 887                                 start_ccb->ccb_h.ccb_bp = NULL;
 888                                 start_ccb->ccb_h.ccb_state = CD_CCB_TUR;
 889                                 xpt_action(start_ccb);
 890                         } else
 891                                 xpt_release_ccb(start_ccb);
 892                 } else {
 893                         if (softc->tur) {
 894                                 softc->tur = 0;
 895                                 cam_periph_release_locked(periph);
 896                         }
 897                         bioq_remove(&softc->bio_queue, bp);
 898
 899                         scsi_read_write(&start_ccb->csio,
 900                                         /*retries*/ cd_retry_count,
 901                                         /* cbfcnp */ cddone,
 902                                         MSG_SIMPLE_Q_TAG,
 903                                         /* read */bp->bio_cmd == BIO_READ ?
 904                                         SCSI_RW_READ : SCSI_RW_WRITE,
 905                                         /* byte2 */ 0,
 906                                         /* minimum_cmd_size */ 10,
 907                                         /* lba */ bp->bio_offset /
 908                                           softc->params.blksize,
 909                                         bp->bio_bcount / softc->params.blksize,
 910                                         /* data_ptr */ bp->bio_data,
 911                                         /* dxfer_len */ bp->bio_bcount,
 912                                         /* sense_len */ cd_retry_count ?
 913                                           SSD_FULL_SIZE : SF_NO_PRINT,
 914                                         /* timeout */ cd_timeout);
 915                         /* Use READ CD command for audio tracks. */
 916                         if (softc->params.blksize == 2352) {
 917                                 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD;
 918                                 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8;
 919                                 start_ccb->csio.cdb_io.cdb_bytes[10] = 0;
 920                                 start_ccb->csio.cdb_io.cdb_bytes[11] = 0;
 921                                 start_ccb->csio.cdb_len = 12;
 922                         }
 923                         start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
 924
 925
 926                         LIST_INSERT_HEAD(&softc->pending_ccbs,
 927                                          &start_ccb->ccb_h, periph_links.le);
 928                         softc->outstanding_cmds++;
 929
 930                         /* We expect a unit attention from this device */
 931                         if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
 932                                 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
 933                                 softc->flags &= ~CD_FLAG_RETRY_UA;
 934                         }
 935
 936                         start_ccb->ccb_h.ccb_bp = bp;
 937                         bp = bioq_first(&softc->bio_queue);
 938
 939                         xpt_action(start_ccb);
 940                 }
 941                 if (bp != NULL || softc->tur) {
 942                         /* Have more work to do, so ensure we stay scheduled */
 943                         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 944                 }
 945                 break;
 946         }
 947         case CD_STATE_PROBE:
 948         {
 949
 950                 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
 951                     M_SCSICD, M_NOWAIT | M_ZERO);
 952                 if (rcap == NULL) {
 953                         xpt_print(periph->path,
 954                             "cdstart: Couldn't malloc read_capacity data\n");
 955                         /* cd_free_periph??? */
 956                         break;
 957                 }
 958                 csio = &start_ccb->csio;
 959                 scsi_read_capacity(csio,
 960                                    /*retries*/ cd_retry_count,
 961                                    cddone,
 962                                    MSG_SIMPLE_Q_TAG,
 963                                    rcap,
 964                                    SSD_FULL_SIZE,
 965                                    /*timeout*/20000);
 966                 start_ccb->ccb_h.ccb_bp = NULL;
 967                 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
 968                 xpt_action(start_ccb);
 969                 break;
 970         }
 971         }
 972 }
 973
 974 static void
 975 cddone(struct cam_periph *periph, union ccb *done_ccb)
 976 {
 977         struct cd_softc *softc;
 978         struct ccb_scsiio *csio;
 979
 980         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
 981
 982         softc = (struct cd_softc *)periph->softc;
 983         csio = &done_ccb->csio;
 984
 985         switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
 986         case CD_CCB_BUFFER_IO:
 987         {
 988                 struct bio      *bp;
 989                 int             error;
 990
 991                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
 992                 error = 0;
 993
 994                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
 995                         int sf;
 996
 997                         if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
 998                                 sf = SF_RETRY_UA;
 999                         else
1000                                 sf = 0;
1001
1002                         error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
1003                         if (error == ERESTART) {
1004                                 /*
1005                                  * A retry was scheuled, so
1006                                  * just return.
1007                                  */
1008                                 return;
1009                         }
1010                 }
1011
1012                 if (error != 0) {
1013                         xpt_print(periph->path,
1014                             "cddone: got error %#x back\n", error);
1015                         bioq_flush(&softc->bio_queue, NULL, EIO);
1016                         bp->bio_resid = bp->bio_bcount;
1017                         bp->bio_error = error;
1018                         bp->bio_flags |= BIO_ERROR;
1019                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1020                                 cam_release_devq(done_ccb->ccb_h.path,
1021                                          /*relsim_flags*/0,
1022                                          /*reduction*/0,
1023                                          /*timeout*/0,
1024                                          /*getcount_only*/0);
1025
1026                 } else {
1027                         bp->bio_resid = csio->resid;
1028                         bp->bio_error = 0;
1029                         if (bp->bio_resid != 0) {
1030                                 /*
1031                                  * Short transfer ???
1032                                  * XXX: not sure this is correct for partial
1033                                  * transfers at EOM
1034                                  */
1035                                 bp->bio_flags |= BIO_ERROR;
1036                         }
1037                 }
1038
1039                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1040                 softc->outstanding_cmds--;
1041
1042                 biofinish(bp, NULL, 0);
1043                 break;
1044         }
1045         case CD_CCB_PROBE:
1046         {
1047                 struct     scsi_read_capacity_data *rdcap;
1048                 char       announce_buf[120]; /*
1049                                                * Currently (9/30/97) the
1050                                                * longest possible announce
1051                                                * buffer is 108 bytes, for the
1052                                                * first error case below.
1053                                                * That is 39 bytes for the
1054                                                * basic string, 16 bytes for the
1055                                                * biggest sense key (hardware
1056                                                * error), 52 bytes for the
1057                                                * text of the largest sense
1058                                                * qualifier valid for a CDROM,
1059                                                * (0x72, 0x03 or 0x04,
1060                                                * 0x03), and one byte for the
1061                                                * null terminating character.
1062                                                * To allow for longer strings,
1063                                                * the announce buffer is 120
1064                                                * bytes.
1065                                                */
1066                 struct     cd_params *cdp;
1067                 int error;
1068
1069                 cdp = &softc->params;
1070
1071                 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1072
1073                 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1074                 cdp->blksize = scsi_4btoul (rdcap->length);
1075
1076                 /*
1077                  * Retry any UNIT ATTENTION type errors.  They
1078                  * are expected at boot.
1079                  */
1080                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP ||
1081                     (error = cderror(done_ccb, CAM_RETRY_SELTO,
1082                                 SF_RETRY_UA | SF_NO_PRINT)) == 0) {
1083
1084                         snprintf(announce_buf, sizeof(announce_buf),
1085                                 "cd present [%lu x %lu byte records]",
1086                                 cdp->disksize, (u_long)cdp->blksize);
1087
1088                 } else {
1089                         if (error == ERESTART) {
1090                                 /*
1091                                  * A retry was scheuled, so
1092                                  * just return.
1093                                  */
1094                                 return;
1095                         } else {
1096                                 int asc, ascq;
1097                                 int sense_key, error_code;
1098                                 int have_sense;
1099                                 cam_status status;
1100                                 struct ccb_getdev cgd;
1101
1102                                 /* Don't wedge this device's queue */
1103                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1104                                         cam_release_devq(done_ccb->ccb_h.path,
1105                                                  /*relsim_flags*/0,
1106                                                  /*reduction*/0,
1107                                                  /*timeout*/0,
1108                                                  /*getcount_only*/0);
1109
1110                                 status = done_ccb->ccb_h.status;
1111
1112                                 xpt_setup_ccb(&cgd.ccb_h,
1113                                               done_ccb->ccb_h.path,
1114                                               CAM_PRIORITY_NORMAL);
1115                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1116                                 xpt_action((union ccb *)&cgd);
1117
1118                                 if (scsi_extract_sense_ccb(done_ccb,
1119                                     &error_code, &sense_key, &asc, &ascq))
1120                                         have_sense = TRUE;
1121                                 else
1122                                         have_sense = FALSE;
1123
1124                                 /*
1125                                  * Attach to anything that claims to be a
1126                                  * CDROM or WORM device, as long as it
1127                                  * doesn't return a "Logical unit not
1128                                  * supported" (0x25) error.
1129                                  */
1130                                 if ((have_sense) && (asc != 0x25)
1131                                  && (error_code == SSD_CURRENT_ERROR)) {
1132                                         const char *sense_key_desc;
1133                                         const char *asc_desc;
1134
1135                                         scsi_sense_desc(sense_key, asc, ascq,
1136                                                         &cgd.inq_data,
1137                                                         &sense_key_desc,
1138                                                         &asc_desc);
1139                                         snprintf(announce_buf,
1140                                             sizeof(announce_buf),
1141                                                 "Attempt to query device "
1142                                                 "size failed: %s, %s",
1143                                                 sense_key_desc,
1144                                                 asc_desc);
1145                                 } else if ((have_sense == 0)
1146                                       && ((status & CAM_STATUS_MASK) ==
1147                                            CAM_SCSI_STATUS_ERROR)
1148                                       && (csio->scsi_status ==
1149                                           SCSI_STATUS_BUSY)) {
1150                                         snprintf(announce_buf,
1151                                             sizeof(announce_buf),
1152                                             "Attempt to query device "
1153                                             "size failed: SCSI Status: %s",
1154                                             scsi_status_string(csio));
1155                                 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1156                                         /*
1157                                          * We only print out an error for
1158                                          * CDROM type devices.  For WORM
1159                                          * devices, we don't print out an
1160                                          * error since a few WORM devices
1161                                          * don't support CDROM commands.
1162                                          * If we have sense information, go
1163                                          * ahead and print it out.
1164                                          * Otherwise, just say that we
1165                                          * couldn't attach.
1166                                          */
1167
1168                                         /*
1169                                          * Just print out the error, not
1170                                          * the full probe message, when we
1171                                          * don't attach.
1172                                          */
1173                                         if (have_sense)
1174                                                 scsi_sense_print(
1175                                                         &done_ccb->csio);
1176                                         else {
1177                                                 xpt_print(periph->path,
1178                                                     "got CAM status %#x\n",
1179                                                     done_ccb->ccb_h.status);
1180                                         }
1181                                         xpt_print(periph->path, "fatal error, "
1182                                             "failed to attach to device\n");
1183                                         /*
1184                                          * Invalidate this peripheral.
1185                                          */
1186                                         cam_periph_invalidate(periph);
1187
1188                                         announce_buf[0] = '\0';
1189                                 } else {
1190
1191                                         /*
1192                                          * Invalidate this peripheral.
1193                                          */
1194                                         cam_periph_invalidate(periph);
1195                                         announce_buf[0] = '\0';
1196                                 }
1197                         }
1198                 }
1199                 free(rdcap, M_SCSICD);
1200                 if (announce_buf[0] != '\0') {
1201                         xpt_announce_periph(periph, announce_buf);
1202                         xpt_announce_quirks(periph, softc->quirks,
1203                             CD_Q_BIT_STRING);
1204                         /*
1205                          * Create our sysctl variables, now that we know
1206                          * we have successfully attached.
1207                          */
1208                         taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1209                 }
1210                 softc->state = CD_STATE_NORMAL;
1211                 /*
1212                  * Since our peripheral may be invalidated by an error
1213                  * above or an external event, we must release our CCB
1214                  * before releasing the probe lock on the peripheral.
1215                  * The peripheral will only go away once the last lock
1216                  * is removed, and we need it around for the CCB release
1217                  * operation.
1218                  */
1219                 xpt_release_ccb(done_ccb);
1220                 cam_periph_unhold(periph);
1221                 return;
1222         }
1223         case CD_CCB_TUR:
1224         {
1225                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1226
1227                         if (cderror(done_ccb, CAM_RETRY_SELTO,
1228                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
1229                             ERESTART)
1230                                 return;
1231                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1232                                 cam_release_devq(done_ccb->ccb_h.path,
1233                                                  /*relsim_flags*/0,
1234                                                  /*reduction*/0,
1235                                                  /*timeout*/0,
1236                                                  /*getcount_only*/0);
1237                 }
1238                 xpt_release_ccb(done_ccb);
1239                 cam_periph_release_locked(periph);
1240                 return;
1241         }
1242         default:
1243                 break;
1244         }
1245         xpt_release_ccb(done_ccb);
1246 }
1247
1248 static union cd_pages *
1249 cdgetpage(struct cd_mode_params *mode_params)
1250 {
1251         union cd_pages *page;
1252
1253         if (mode_params->cdb_size == 10)
1254                 page = (union cd_pages *)find_mode_page_10(
1255                         (struct scsi_mode_header_10 *)mode_params->mode_buf);
1256         else
1257                 page = (union cd_pages *)find_mode_page_6(
1258                         (struct scsi_mode_header_6 *)mode_params->mode_buf);
1259
1260         return (page);
1261 }
1262
1263 static int
1264 cdgetpagesize(int page_num)
1265 {
1266         int i;
1267
1268         for (i = 0; i < (sizeof(cd_page_size_table)/
1269              sizeof(cd_page_size_table[0])); i++) {
1270                 if (cd_page_size_table[i].page == page_num)
1271                         return (cd_page_size_table[i].page_size);
1272         }
1273
1274         return (-1);
1275 }
1276
1277 static int
1278 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
1279 {
1280
1281         struct  cam_periph *periph;
1282         struct  cd_softc *softc;
1283         int     nocopyout, error = 0;
1284
1285         periph = (struct cam_periph *)dp->d_drv1;
1286         cam_periph_lock(periph);
1287
1288         softc = (struct cd_softc *)periph->softc;
1289
1290         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1291             ("cdioctl(%#lx)\n", cmd));
1292
1293         if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1294                 cam_periph_unlock(periph);
1295                 cam_periph_release(periph);
1296                 return (error);
1297         }
1298
1299         /*
1300          * If we don't have media loaded, check for it.  If still don't
1301          * have media loaded, we can only do a load or eject.
1302          *
1303          * We only care whether media is loaded if this is a cd-specific ioctl
1304          * (thus the IOCGROUP check below).  Note that this will break if
1305          * anyone adds any ioctls into the switch statement below that don't
1306          * have their ioctl group set to 'c'.
1307          */
1308         if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
1309          && ((cmd != CDIOCCLOSE)
1310           && (cmd != CDIOCEJECT))
1311          && (IOCGROUP(cmd) == 'c')) {
1312                 error = cdcheckmedia(periph);
1313                 if (error != 0) {
1314                         cam_periph_unhold(periph);
1315                         cam_periph_unlock(periph);
1316                         return (error);
1317                 }
1318         }
1319         /*
1320          * Drop the lock here so later mallocs can use WAITOK.  The periph
1321          * is essentially locked still with the cam_periph_hold call above.
1322          */
1323         cam_periph_unlock(periph);
1324
1325         nocopyout = 0;
1326         switch (cmd) {
1327
1328         case CDIOCPLAYTRACKS:
1329                 {
1330                         struct ioc_play_track *args
1331                             = (struct ioc_play_track *) addr;
1332                         struct cd_mode_params params;
1333                         union cd_pages *page;
1334
1335                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1336                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1337                                                  M_WAITOK | M_ZERO);
1338
1339                         cam_periph_lock(periph);
1340                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1341                                   ("trying to do CDIOCPLAYTRACKS\n"));
1342
1343                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1344                         if (error) {
1345                                 free(params.mode_buf, M_SCSICD);
1346                                 cam_periph_unlock(periph);
1347                                 break;
1348                         }
1349                         page = cdgetpage(&params);
1350
1351                         page->audio.flags &= ~CD_PA_SOTC;
1352                         page->audio.flags |= CD_PA_IMMED;
1353                         error = cdsetmode(periph, &params);
1354                         free(params.mode_buf, M_SCSICD);
1355                         if (error) {
1356                                 cam_periph_unlock(periph);
1357                                 break;
1358                         }
1359
1360                         /*
1361                          * This was originally implemented with the PLAY
1362                          * AUDIO TRACK INDEX command, but that command was
1363                          * deprecated after SCSI-2.  Most (all?) SCSI CDROM
1364                          * drives support it but ATAPI and ATAPI-derivative
1365                          * drives don't seem to support it.  So we keep a
1366                          * cache of the table of contents and translate
1367                          * track numbers to MSF format.
1368                          */
1369                         if (softc->flags & CD_FLAG_VALID_TOC) {
1370                                 union msf_lba *sentry, *eentry;
1371                                 int st, et;
1372
1373                                 if (args->end_track <
1374                                     softc->toc.header.ending_track + 1)
1375                                         args->end_track++;
1376                                 if (args->end_track >
1377                                     softc->toc.header.ending_track + 1)
1378                                         args->end_track =
1379                                             softc->toc.header.ending_track + 1;
1380                                 st = args->start_track -
1381                                         softc->toc.header.starting_track;
1382                                 et = args->end_track -
1383                                         softc->toc.header.starting_track;
1384                                 if ((st < 0)
1385                                  || (et < 0)
1386                                  || (st > (softc->toc.header.ending_track -
1387                                      softc->toc.header.starting_track))) {
1388                                         error = EINVAL;
1389                                         cam_periph_unlock(periph);
1390                                         break;
1391                                 }
1392                                 sentry = &softc->toc.entries[st].addr;
1393                                 eentry = &softc->toc.entries[et].addr;
1394                                 error = cdplaymsf(periph,
1395                                                   sentry->msf.minute,
1396                                                   sentry->msf.second,
1397                                                   sentry->msf.frame,
1398                                                   eentry->msf.minute,
1399                                                   eentry->msf.second,
1400                                                   eentry->msf.frame);
1401                         } else {
1402                                 /*
1403                                  * If we don't have a valid TOC, try the
1404                                  * play track index command.  It is part of
1405                                  * the SCSI-2 spec, but was removed in the
1406                                  * MMC specs.  ATAPI and ATAPI-derived
1407                                  * drives don't support it.
1408                                  */
1409                                 if (softc->quirks & CD_Q_BCD_TRACKS) {
1410                                         args->start_track =
1411                                                 bin2bcd(args->start_track);
1412                                         args->end_track =
1413                                                 bin2bcd(args->end_track);
1414                                 }
1415                                 error = cdplaytracks(periph,
1416                                                      args->start_track,
1417                                                      args->start_index,
1418                                                      args->end_track,
1419                                                      args->end_index);
1420                         }
1421                         cam_periph_unlock(periph);
1422                 }
1423                 break;
1424         case CDIOCPLAYMSF:
1425                 {
1426                         struct ioc_play_msf *args
1427                                 = (struct ioc_play_msf *) addr;
1428                         struct cd_mode_params params;
1429                         union cd_pages *page;
1430
1431                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1432                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1433                                                  M_WAITOK | M_ZERO);
1434
1435                         cam_periph_lock(periph);
1436                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1437                                   ("trying to do CDIOCPLAYMSF\n"));
1438
1439                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1440                         if (error) {
1441                                 free(params.mode_buf, M_SCSICD);
1442                                 cam_periph_unlock(periph);
1443                                 break;
1444                         }
1445                         page = cdgetpage(&params);
1446
1447                         page->audio.flags &= ~CD_PA_SOTC;
1448                         page->audio.flags |= CD_PA_IMMED;
1449                         error = cdsetmode(periph, &params);
1450                         free(params.mode_buf, M_SCSICD);
1451                         if (error) {
1452                                 cam_periph_unlock(periph);
1453                                 break;
1454                         }
1455                         error = cdplaymsf(periph,
1456                                           args->start_m,
1457                                           args->start_s,
1458                                           args->start_f,
1459                                           args->end_m,
1460                                           args->end_s,
1461                                           args->end_f);
1462                         cam_periph_unlock(periph);
1463                 }
1464                 break;
1465         case CDIOCPLAYBLOCKS:
1466                 {
1467                         struct ioc_play_blocks *args
1468                                 = (struct ioc_play_blocks *) addr;
1469                         struct cd_mode_params params;
1470                         union cd_pages *page;
1471
1472                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1473                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1474                                                  M_WAITOK | M_ZERO);
1475
1476                         cam_periph_lock(periph);
1477                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1478                                   ("trying to do CDIOCPLAYBLOCKS\n"));
1479
1480
1481                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1482                         if (error) {
1483                                 free(params.mode_buf, M_SCSICD);
1484                                 cam_periph_unlock(periph);
1485                                 break;
1486                         }
1487                         page = cdgetpage(&params);
1488
1489                         page->audio.flags &= ~CD_PA_SOTC;
1490                         page->audio.flags |= CD_PA_IMMED;
1491                         error = cdsetmode(periph, &params);
1492                         free(params.mode_buf, M_SCSICD);
1493                         if (error) {
1494                                 cam_periph_unlock(periph);
1495                                 break;
1496                         }
1497                         error = cdplay(periph, args->blk, args->len);
1498                         cam_periph_unlock(periph);
1499                 }
1500                 break;
1501         case CDIOCREADSUBCHANNEL_SYSSPACE:
1502                 nocopyout = 1;
1503                 /* Fallthrough */
1504         case CDIOCREADSUBCHANNEL:
1505                 {
1506                         struct ioc_read_subchannel *args
1507                                 = (struct ioc_read_subchannel *) addr;
1508                         struct cd_sub_channel_info *data;
1509                         u_int32_t len = args->data_len;
1510
1511                         data = malloc(sizeof(struct cd_sub_channel_info),
1512                                       M_SCSICD, M_WAITOK | M_ZERO);
1513
1514                         cam_periph_lock(periph);
1515                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1516                                   ("trying to do CDIOCREADSUBCHANNEL\n"));
1517
1518                         if ((len > sizeof(struct cd_sub_channel_info)) ||
1519                             (len < sizeof(struct cd_sub_channel_header))) {
1520                                 printf(
1521                                         "scsi_cd: cdioctl: "
1522                                         "cdioreadsubchannel: error, len=%d\n",
1523                                         len);
1524                                 error = EINVAL;
1525                                 free(data, M_SCSICD);
1526                                 cam_periph_unlock(periph);
1527                                 break;
1528                         }
1529
1530                         if (softc->quirks & CD_Q_BCD_TRACKS)
1531                                 args->track = bin2bcd(args->track);
1532
1533                         error = cdreadsubchannel(periph, args->address_format,
1534                                 args->data_format, args->track, data, len);
1535
1536                         if (error) {
1537                                 free(data, M_SCSICD);
1538                                 cam_periph_unlock(periph);
1539                                 break;
1540                         }
1541                         if (softc->quirks & CD_Q_BCD_TRACKS)
1542                                 data->what.track_info.track_number =
1543                                     bcd2bin(data->what.track_info.track_number);
1544                         len = min(len, ((data->header.data_len[0] << 8) +
1545                                 data->header.data_len[1] +
1546                                 sizeof(struct cd_sub_channel_header)));
1547                         cam_periph_unlock(periph);
1548                         if (nocopyout == 0) {
1549                                 if (copyout(data, args->data, len) != 0) {
1550                                         error = EFAULT;
1551                                 }
1552                         } else {
1553                                 bcopy(data, args->data, len);
1554                         }
1555                         free(data, M_SCSICD);
1556                 }
1557                 break;
1558
1559         case CDIOREADTOCHEADER:
1560                 {
1561                         struct ioc_toc_header *th;
1562
1563                         th = malloc(sizeof(struct ioc_toc_header), M_SCSICD,
1564                                     M_WAITOK | M_ZERO);
1565
1566                         cam_periph_lock(periph);
1567                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1568                                   ("trying to do CDIOREADTOCHEADER\n"));
1569
1570                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1571                                           sizeof (*th), /*sense_flags*/SF_NO_PRINT);
1572                         if (error) {
1573                                 free(th, M_SCSICD);
1574                                 cam_periph_unlock(periph);
1575                                 break;
1576                         }
1577                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1578                                 /* we are going to have to convert the BCD
1579                                  * encoding on the cd to what is expected
1580                                  */
1581                                 th->starting_track =
1582                                         bcd2bin(th->starting_track);
1583                                 th->ending_track = bcd2bin(th->ending_track);
1584                         }
1585                         th->len = ntohs(th->len);
1586                         bcopy(th, addr, sizeof(*th));
1587                         free(th, M_SCSICD);
1588                         cam_periph_unlock(periph);
1589                 }
1590                 break;
1591         case CDIOREADTOCENTRYS:
1592                 {
1593                         struct cd_tocdata *data;
1594                         struct cd_toc_single *lead;
1595                         struct ioc_read_toc_entry *te =
1596                                 (struct ioc_read_toc_entry *) addr;
1597                         struct ioc_toc_header *th;
1598                         u_int32_t len, readlen, idx, num;
1599                         u_int32_t starting_track = te->starting_track;
1600
1601                         data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
1602                         lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO);
1603
1604                         cam_periph_lock(periph);
1605                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1606                                   ("trying to do CDIOREADTOCENTRYS\n"));
1607
1608                         if (te->data_len < sizeof(struct cd_toc_entry)
1609                          || (te->data_len % sizeof(struct cd_toc_entry)) != 0
1610                          || (te->address_format != CD_MSF_FORMAT
1611                           && te->address_format != CD_LBA_FORMAT)) {
1612                                 error = EINVAL;
1613                                 printf("scsi_cd: error in readtocentries, "
1614                                        "returning EINVAL\n");
1615                                 free(data, M_SCSICD);
1616                                 free(lead, M_SCSICD);
1617                                 cam_periph_unlock(periph);
1618                                 break;
1619                         }
1620
1621                         th = &data->header;
1622                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1623                                           sizeof (*th), /*sense_flags*/0);
1624                         if (error) {
1625                                 free(data, M_SCSICD);
1626                                 free(lead, M_SCSICD);
1627                                 cam_periph_unlock(periph);
1628                                 break;
1629                         }
1630
1631                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1632                                 /* we are going to have to convert the BCD
1633                                  * encoding on the cd to what is expected
1634                                  */
1635                                 th->starting_track =
1636                                     bcd2bin(th->starting_track);
1637                                 th->ending_track = bcd2bin(th->ending_track);
1638                         }
1639
1640                         if (starting_track == 0)
1641                                 starting_track = th->starting_track;
1642                         else if (starting_track == LEADOUT)
1643                                 starting_track = th->ending_track + 1;
1644                         else if (starting_track < th->starting_track ||
1645                                  starting_track > th->ending_track + 1) {
1646                                 printf("scsi_cd: error in readtocentries, "
1647                                        "returning EINVAL\n");
1648                                 free(data, M_SCSICD);
1649                                 free(lead, M_SCSICD);
1650                                 cam_periph_unlock(periph);
1651                                 error = EINVAL;
1652                                 break;
1653                         }
1654
1655                         /* calculate reading length without leadout entry */
1656                         readlen = (th->ending_track - starting_track + 1) *
1657                                   sizeof(struct cd_toc_entry);
1658
1659                         /* and with leadout entry */
1660                         len = readlen + sizeof(struct cd_toc_entry);
1661                         if (te->data_len < len) {
1662                                 len = te->data_len;
1663                                 if (readlen > len)
1664                                         readlen = len;
1665                         }
1666                         if (len > sizeof(data->entries)) {
1667                                 printf("scsi_cd: error in readtocentries, "
1668                                        "returning EINVAL\n");
1669                                 error = EINVAL;
1670                                 free(data, M_SCSICD);
1671                                 free(lead, M_SCSICD);
1672                                 cam_periph_unlock(periph);
1673                                 break;
1674                         }
1675                         num = len / sizeof(struct cd_toc_entry);
1676
1677                         if (readlen > 0) {
1678                                 error = cdreadtoc(periph, te->address_format,
1679                                                   starting_track,
1680                                                   (u_int8_t *)data,
1681                                                   readlen + sizeof (*th),
1682                                                   /*sense_flags*/0);
1683                                 if (error) {
1684                                         free(data, M_SCSICD);
1685                                         free(lead, M_SCSICD);
1686                                         cam_periph_unlock(periph);
1687                                         break;
1688                                 }
1689                         }
1690
1691                         /* make leadout entry if needed */
1692                         idx = starting_track + num - 1;
1693                         if (softc->quirks & CD_Q_BCD_TRACKS)
1694                                 th->ending_track = bcd2bin(th->ending_track);
1695                         if (idx == th->ending_track + 1) {
1696                                 error = cdreadtoc(periph, te->address_format,
1697                                                   LEADOUT, (u_int8_t *)lead,
1698                                                   sizeof(*lead),
1699                                                   /*sense_flags*/0);
1700                                 if (error) {
1701                                         free(data, M_SCSICD);
1702                                         free(lead, M_SCSICD);
1703                                         cam_periph_unlock(periph);
1704                                         break;
1705                                 }
1706                                 data->entries[idx - starting_track] =
1707                                         lead->entry;
1708                         }
1709                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1710                                 for (idx = 0; idx < num - 1; idx++) {
1711                                         data->entries[idx].track =
1712                                             bcd2bin(data->entries[idx].track);
1713                                 }
1714                         }
1715
1716                         cam_periph_unlock(periph);
1717                         error = copyout(data->entries, te->data, len);
1718                         free(data, M_SCSICD);
1719                         free(lead, M_SCSICD);
1720                 }
1721                 break;
1722         case CDIOREADTOCENTRY:
1723                 {
1724                         struct cd_toc_single *data;
1725                         struct ioc_read_toc_single_entry *te =
1726                                 (struct ioc_read_toc_single_entry *) addr;
1727                         struct ioc_toc_header *th;
1728                         u_int32_t track;
1729
1730                         data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
1731
1732                         cam_periph_lock(periph);
1733                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1734                                   ("trying to do CDIOREADTOCENTRY\n"));
1735
1736                         if (te->address_format != CD_MSF_FORMAT
1737                             && te->address_format != CD_LBA_FORMAT) {
1738                                 printf("error in readtocentry, "
1739                                        " returning EINVAL\n");
1740                                 free(data, M_SCSICD);
1741                                 error = EINVAL;
1742                                 cam_periph_unlock(periph);
1743                                 break;
1744                         }
1745
1746                         th = &data->header;
1747                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1748                                           sizeof (*th), /*sense_flags*/0);
1749                         if (error) {
1750                                 free(data, M_SCSICD);
1751                                 cam_periph_unlock(periph);
1752                                 break;
1753                         }
1754
1755                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1756                                 /* we are going to have to convert the BCD
1757                                  * encoding on the cd to what is expected
1758                                  */
1759                                 th->starting_track =
1760                                     bcd2bin(th->starting_track);
1761                                 th->ending_track = bcd2bin(th->ending_track);
1762                         }
1763                         track = te->track;
1764                         if (track == 0)
1765                                 track = th->starting_track;
1766                         else if (track == LEADOUT)
1767                                 /* OK */;
1768                         else if (track < th->starting_track ||
1769                                  track > th->ending_track + 1) {
1770                                 printf("error in readtocentry, "
1771                                        " returning EINVAL\n");
1772                                 free(data, M_SCSICD);
1773                                 error = EINVAL;
1774                                 cam_periph_unlock(periph);
1775                                 break;
1776                         }
1777
1778                         error = cdreadtoc(periph, te->address_format, track,
1779                                           (u_int8_t *)data, sizeof(*data),
1780                                           /*sense_flags*/0);
1781                         if (error) {
1782                                 free(data, M_SCSICD);
1783                                 cam_periph_unlock(periph);
1784                                 break;
1785                         }
1786
1787                         if (softc->quirks & CD_Q_BCD_TRACKS)
1788                                 data->entry.track = bcd2bin(data->entry.track);
1789                         bcopy(&data->entry, &te->entry,
1790                               sizeof(struct cd_toc_entry));
1791                         free(data, M_SCSICD);
1792                         cam_periph_unlock(periph);
1793                 }
1794                 break;
1795         case CDIOCSETPATCH:
1796                 {
1797                         struct ioc_patch *arg = (struct ioc_patch *)addr;
1798                         struct cd_mode_params params;
1799                         union cd_pages *page;
1800
1801                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1802                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1803                                                  M_WAITOK | M_ZERO);
1804
1805                         cam_periph_lock(periph);
1806                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1807                                   ("trying to do CDIOCSETPATCH\n"));
1808
1809                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1810                         if (error) {
1811                                 free(params.mode_buf, M_SCSICD);
1812                                 cam_periph_unlock(periph);
1813                                 break;
1814                         }
1815                         page = cdgetpage(&params);
1816
1817                         page->audio.port[LEFT_PORT].channels =
1818                                 arg->patch[0];
1819                         page->audio.port[RIGHT_PORT].channels =
1820                                 arg->patch[1];
1821                         page->audio.port[2].channels = arg->patch[2];
1822                         page->audio.port[3].channels = arg->patch[3];
1823                         error = cdsetmode(periph, &params);
1824                         free(params.mode_buf, M_SCSICD);
1825                         cam_periph_unlock(periph);
1826                 }
1827                 break;
1828         case CDIOCGETVOL:
1829                 {
1830                         struct ioc_vol *arg = (struct ioc_vol *) addr;
1831                         struct cd_mode_params params;
1832                         union cd_pages *page;
1833
1834                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1835                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1836                                                  M_WAITOK | M_ZERO);
1837
1838                         cam_periph_lock(periph);
1839                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1840                                   ("trying to do CDIOCGETVOL\n"));
1841
1842                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1843                         if (error) {
1844                                 free(params.mode_buf, M_SCSICD);
1845                                 cam_periph_unlock(periph);
1846                                 break;
1847                         }
1848                         page = cdgetpage(&params);
1849
1850                         arg->vol[LEFT_PORT] =
1851                                 page->audio.port[LEFT_PORT].volume;
1852                         arg->vol[RIGHT_PORT] =
1853                                 page->audio.port[RIGHT_PORT].volume;
1854                         arg->vol[2] = page->audio.port[2].volume;
1855                         arg->vol[3] = page->audio.port[3].volume;
1856                         free(params.mode_buf, M_SCSICD);
1857                         cam_periph_unlock(periph);
1858                 }
1859                 break;
1860         case CDIOCSETVOL:
1861                 {
1862                         struct ioc_vol *arg = (struct ioc_vol *) addr;
1863                         struct cd_mode_params params;
1864                         union cd_pages *page;
1865
1866                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1867                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1868                                                  M_WAITOK | M_ZERO);
1869
1870                         cam_periph_lock(periph);
1871                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1872                                   ("trying to do CDIOCSETVOL\n"));
1873
1874                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1875                         if (error) {
1876                                 free(params.mode_buf, M_SCSICD);
1877                                 cam_periph_unlock(periph);
1878                                 break;
1879                         }
1880                         page = cdgetpage(&params);
1881
1882                         page->audio.port[LEFT_PORT].channels = CHANNEL_0;
1883                         page->audio.port[LEFT_PORT].volume =
1884                                 arg->vol[LEFT_PORT];
1885                         page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
1886                         page->audio.port[RIGHT_PORT].volume =
1887                                 arg->vol[RIGHT_PORT];
1888                         page->audio.port[2].volume = arg->vol[2];
1889                         page->audio.port[3].volume = arg->vol[3];
1890                         error = cdsetmode(periph, &params);
1891                         cam_periph_unlock(periph);
1892                         free(params.mode_buf, M_SCSICD);
1893                 }
1894                 break;
1895         case CDIOCSETMONO:
1896                 {
1897                         struct cd_mode_params params;
1898                         union cd_pages *page;
1899
1900                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1901                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1902                                                  M_WAITOK | M_ZERO);
1903
1904                         cam_periph_lock(periph);
1905                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1906                                   ("trying to do CDIOCSETMONO\n"));
1907
1908                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1909                         if (error) {
1910                                 free(params.mode_buf, M_SCSICD);
1911                                 cam_periph_unlock(periph);
1912                                 break;
1913                         }
1914                         page = cdgetpage(&params);
1915
1916                         page->audio.port[LEFT_PORT].channels =
1917                                 LEFT_CHANNEL | RIGHT_CHANNEL;
1918                         page->audio.port[RIGHT_PORT].channels =
1919                                 LEFT_CHANNEL | RIGHT_CHANNEL;
1920                         page->audio.port[2].channels = 0;
1921                         page->audio.port[3].channels = 0;
1922                         error = cdsetmode(periph, &params);
1923                         cam_periph_unlock(periph);
1924                         free(params.mode_buf, M_SCSICD);
1925                 }
1926                 break;
1927         case CDIOCSETSTEREO:
1928                 {
1929                         struct cd_mode_params params;
1930                         union cd_pages *page;
1931
1932                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1933                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1934                                                  M_WAITOK | M_ZERO);
1935
1936                         cam_periph_lock(periph);
1937                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1938                                   ("trying to do CDIOCSETSTEREO\n"));
1939
1940                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1941                         if (error) {
1942                                 free(params.mode_buf, M_SCSICD);
1943                                 cam_periph_unlock(periph);
1944                                 break;
1945                         }
1946                         page = cdgetpage(&params);
1947
1948                         page->audio.port[LEFT_PORT].channels =
1949                                 LEFT_CHANNEL;
1950                         page->audio.port[RIGHT_PORT].channels =
1951                                 RIGHT_CHANNEL;
1952                         page->audio.port[2].channels = 0;
1953                         page->audio.port[3].channels = 0;
1954                         error = cdsetmode(periph, &params);
1955                         free(params.mode_buf, M_SCSICD);
1956                         cam_periph_unlock(periph);
1957                 }
1958                 break;
1959         case CDIOCSETMUTE:
1960                 {
1961                         struct cd_mode_params params;
1962                         union cd_pages *page;
1963
1964                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1965                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1966                                                  M_WAITOK | M_ZERO);
1967
1968                         cam_periph_lock(periph);
1969                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1970                                   ("trying to do CDIOCSETMUTE\n"));
1971
1972                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1973                         if (error) {
1974                                 free(params.mode_buf, M_SCSICD);
1975                                 cam_periph_unlock(periph);
1976                                 break;
1977                         }
1978                         page = cdgetpage(&params);
1979
1980                         page->audio.port[LEFT_PORT].channels = 0;
1981                         page->audio.port[RIGHT_PORT].channels = 0;
1982                         page->audio.port[2].channels = 0;
1983                         page->audio.port[3].channels = 0;
1984                         error = cdsetmode(periph, &params);
1985                         free(params.mode_buf, M_SCSICD);
1986                         cam_periph_unlock(periph);
1987                 }
1988                 break;
1989         case CDIOCSETLEFT:
1990                 {
1991                         struct cd_mode_params params;
1992                         union cd_pages *page;
1993
1994                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1995                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1996                                                  M_WAITOK | M_ZERO);
1997
1998                         cam_periph_lock(periph);
1999                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2000                                   ("trying to do CDIOCSETLEFT\n"));
2001
2002                         error = cdgetmode(periph, &params, AUDIO_PAGE);
2003                         if (error) {
2004                                 free(params.mode_buf, M_SCSICD);
2005                                 cam_periph_unlock(periph);
2006                                 break;
2007                         }
2008                         page = cdgetpage(&params);
2009
2010                         page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2011                         page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2012                         page->audio.port[2].channels = 0;
2013                         page->audio.port[3].channels = 0;
2014                         error = cdsetmode(periph, &params);
2015                         free(params.mode_buf, M_SCSICD);
2016                         cam_periph_unlock(periph);
2017                 }
2018                 break;
2019         case CDIOCSETRIGHT:
2020                 {
2021                         struct cd_mode_params params;
2022                         union cd_pages *page;
2023
2024                         params.alloc_len = sizeof(union cd_mode_data_6_10);
2025                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2026                                                  M_WAITOK | M_ZERO);
2027
2028                         cam_periph_lock(periph);
2029                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2030                                   ("trying to do CDIOCSETRIGHT\n"));
2031
2032                         error = cdgetmode(periph, &params, AUDIO_PAGE);
2033                         if (error) {
2034                                 free(params.mode_buf, M_SCSICD);
2035                                 cam_periph_unlock(periph);
2036                                 break;
2037                         }
2038                         page = cdgetpage(&params);
2039
2040                         page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2041                         page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2042                         page->audio.port[2].channels = 0;
2043                         page->audio.port[3].channels = 0;
2044                         error = cdsetmode(periph, &params);
2045                         free(params.mode_buf, M_SCSICD);
2046                         cam_periph_unlock(periph);
2047                 }
2048                 break;
2049         case CDIOCRESUME:
2050                 cam_periph_lock(periph);
2051                 error = cdpause(periph, 1);
2052                 cam_periph_unlock(periph);
2053                 break;
2054         case CDIOCPAUSE:
2055                 cam_periph_lock(periph);
2056                 error = cdpause(periph, 0);
2057                 cam_periph_unlock(periph);
2058                 break;
2059         case CDIOCSTART:
2060                 cam_periph_lock(periph);
2061                 error = cdstartunit(periph, 0);
2062                 cam_periph_unlock(periph);
2063                 break;
2064         case CDIOCCLOSE:
2065                 cam_periph_lock(periph);
2066                 error = cdstartunit(periph, 1);
2067                 cam_periph_unlock(periph);
2068                 break;
2069         case CDIOCSTOP:
2070                 cam_periph_lock(periph);
2071                 error = cdstopunit(periph, 0);
2072                 cam_periph_unlock(periph);
2073                 break;
2074         case CDIOCEJECT:
2075                 cam_periph_lock(periph);
2076                 error = cdstopunit(periph, 1);
2077                 cam_periph_unlock(periph);
2078                 break;
2079         case CDIOCALLOW:
2080                 cam_periph_lock(periph);
2081                 cdprevent(periph, PR_ALLOW);
2082                 cam_periph_unlock(periph);
2083                 break;
2084         case CDIOCPREVENT:
2085                 cam_periph_lock(periph);
2086                 cdprevent(periph, PR_PREVENT);
2087                 cam_periph_unlock(periph);
2088                 break;
2089         case CDIOCSETDEBUG:
2090                 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2091                 error = ENOTTY;
2092                 break;
2093         case CDIOCCLRDEBUG:
2094                 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2095                 error = ENOTTY;
2096                 break;
2097         case CDIOCRESET:
2098                 /* return (cd_reset(periph)); */
2099                 error = ENOTTY;
2100                 break;
2101         case CDRIOCREADSPEED:
2102                 cam_periph_lock(periph);
2103                 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2104                 cam_periph_unlock(periph);
2105                 break;
2106         case CDRIOCWRITESPEED:
2107                 cam_periph_lock(periph);
2108                 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2109                 cam_periph_unlock(periph);
2110                 break;
2111         case CDRIOCGETBLOCKSIZE:
2112                 *(int *)addr = softc->params.blksize;
2113                 break;
2114         case CDRIOCSETBLOCKSIZE:
2115                 if (*(int *)addr <= 0) {
2116                         error = EINVAL;
2117                         break;
2118                 }
2119                 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr;
2120                 break;
2121         case DVDIOCSENDKEY:
2122         case DVDIOCREPORTKEY: {
2123                 struct dvd_authinfo *authinfo;
2124
2125                 authinfo = (struct dvd_authinfo *)addr;
2126
2127                 if (cmd == DVDIOCREPORTKEY)
2128                         error = cdreportkey(periph, authinfo);
2129                 else
2130                         error = cdsendkey(periph, authinfo);
2131                 break;
2132                 }
2133         case DVDIOCREADSTRUCTURE: {
2134                 struct dvd_struct *dvdstruct;
2135
2136                 dvdstruct = (struct dvd_struct *)addr;
2137
2138                 error = cdreaddvdstructure(periph, dvdstruct);
2139
2140                 break;
2141         }
2142         default:
2143                 cam_periph_lock(periph);
2144                 error = cam_periph_ioctl(periph, cmd, addr, cderror);
2145                 cam_periph_unlock(periph);
2146                 break;
2147         }
2148
2149         cam_periph_lock(periph);
2150         cam_periph_unhold(periph);
2151
2152         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2153         if (error && bootverbose) {
2154                 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
2155         }
2156         cam_periph_unlock(periph);
2157
2158         return (error);
2159 }
2160
2161 static void
2162 cdprevent(struct cam_periph *periph, int action)
2163 {
2164         union   ccb *ccb;
2165         struct  cd_softc *softc;
2166         int     error;
2167
2168         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2169
2170         softc = (struct cd_softc *)periph->softc;
2171
2172         if (((action == PR_ALLOW)
2173           && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2174          || ((action == PR_PREVENT)
2175           && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2176                 return;
2177         }
2178
2179         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2180
2181         scsi_prevent(&ccb->csio,
2182                      /*retries*/ cd_retry_count,
2183                      cddone,
2184                      MSG_SIMPLE_Q_TAG,
2185                      action,
2186                      SSD_FULL_SIZE,
2187                      /* timeout */60000);
2188
2189         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2190                         /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2191
2192         xpt_release_ccb(ccb);
2193
2194         if (error == 0) {
2195                 if (action == PR_ALLOW)
2196                         softc->flags &= ~CD_FLAG_DISC_LOCKED;
2197                 else
2198                         softc->flags |= CD_FLAG_DISC_LOCKED;
2199         }
2200 }
2201
2202 /*
2203  * XXX: the disk media and sector size is only really able to change
2204  * XXX: while the device is closed.
2205  */
2206 static int
2207 cdcheckmedia(struct cam_periph *periph)
2208 {
2209         struct cd_softc *softc;
2210         struct ioc_toc_header *toch;
2211         struct cd_toc_single leadout;
2212         u_int32_t size, toclen;
2213         int error, num_entries, cdindex;
2214
2215         softc = (struct cd_softc *)periph->softc;
2216
2217         cdprevent(periph, PR_PREVENT);
2218         softc->disk->d_sectorsize = 2048;
2219         softc->disk->d_mediasize = 0;
2220
2221         /*
2222          * Get the disc size and block size.  If we can't get it, we don't
2223          * have media, most likely.
2224          */
2225         if ((error = cdsize(periph, &size)) != 0) {
2226                 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2227                 cdprevent(periph, PR_ALLOW);
2228                 return (error);
2229         } else {
2230                 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA;
2231                 softc->disk->d_sectorsize = softc->params.blksize;
2232                 softc->disk->d_mediasize =
2233                     (off_t)softc->params.blksize * softc->params.disksize;
2234         }
2235
2236         /*
2237          * Now we check the table of contents.  This (currently) is only
2238          * used for the CDIOCPLAYTRACKS ioctl.  It may be used later to do
2239          * things like present a separate entry in /dev for each track,
2240          * like that acd(4) driver does.
2241          */
2242         bzero(&softc->toc, sizeof(softc->toc));
2243         toch = &softc->toc.header;
2244         /*
2245          * We will get errors here for media that doesn't have a table of
2246          * contents.  According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2247          * command is presented for a DDCD/CD-R/RW media, where the first TOC
2248          * has not been recorded (no complete session) and the Format codes
2249          * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2250          * with an INVALID FIELD IN CDB.  Devices that are not capable of
2251          * reading an incomplete session on DDC/CD-R/RW media shall report
2252          * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2253          *
2254          * So this isn't fatal if we can't read the table of contents, it
2255          * just means that the user won't be able to issue the play tracks
2256          * ioctl, and likely lots of other stuff won't work either.  They
2257          * need to burn the CD before we can do a whole lot with it.  So
2258          * we don't print anything here if we get an error back.
2259          */
2260         error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2261                           SF_NO_PRINT);
2262         /*
2263          * Errors in reading the table of contents aren't fatal, we just
2264          * won't have a valid table of contents cached.
2265          */
2266         if (error != 0) {
2267                 error = 0;
2268                 bzero(&softc->toc, sizeof(softc->toc));
2269                 goto bailout;
2270         }
2271
2272         if (softc->quirks & CD_Q_BCD_TRACKS) {
2273                 toch->starting_track = bcd2bin(toch->starting_track);
2274                 toch->ending_track = bcd2bin(toch->ending_track);
2275         }
2276
2277         /* Number of TOC entries, plus leadout */
2278         num_entries = (toch->ending_track - toch->starting_track) + 2;
2279
2280         if (num_entries <= 0)
2281                 goto bailout;
2282
2283         toclen = num_entries * sizeof(struct cd_toc_entry);
2284
2285         error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2286                           (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2287                           SF_NO_PRINT);
2288         if (error != 0) {
2289                 error = 0;
2290                 bzero(&softc->toc, sizeof(softc->toc));
2291                 goto bailout;
2292         }
2293
2294         if (softc->quirks & CD_Q_BCD_TRACKS) {
2295                 toch->starting_track = bcd2bin(toch->starting_track);
2296                 toch->ending_track = bcd2bin(toch->ending_track);
2297         }
2298         /*
2299          * XXX KDM is this necessary?  Probably only if the drive doesn't
2300          * return leadout information with the table of contents.
2301          */
2302         cdindex = toch->starting_track + num_entries -1;
2303         if (cdindex == toch->ending_track + 1) {
2304
2305                 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2306                                   (u_int8_t *)&leadout, sizeof(leadout),
2307                                   SF_NO_PRINT);
2308                 if (error != 0) {
2309                         error = 0;
2310                         goto bailout;
2311                 }
2312                 softc->toc.entries[cdindex - toch->starting_track] =
2313                         leadout.entry;
2314         }
2315         if (softc->quirks & CD_Q_BCD_TRACKS) {
2316                 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) {
2317                         softc->toc.entries[cdindex].track =
2318                                 bcd2bin(softc->toc.entries[cdindex].track);
2319                 }
2320         }
2321
2322         softc->flags |= CD_FLAG_VALID_TOC;
2323
2324         /* If the first track is audio, correct sector size. */
2325         if ((softc->toc.entries[0].control & 4) == 0) {
2326                 softc->disk->d_sectorsize = softc->params.blksize = 2352;
2327                 softc->disk->d_mediasize =
2328                     (off_t)softc->params.blksize * softc->params.disksize;
2329         }
2330
2331 bailout:
2332
2333         /*
2334          * We unconditionally (re)set the blocksize each time the
2335          * CD device is opened.  This is because the CD can change,
2336          * and therefore the blocksize might change.
2337          * XXX problems here if some slice or partition is still
2338          * open with the old size?
2339          */
2340         if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2341                 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2342         softc->disk->d_devstat->block_size = softc->params.blksize;
2343
2344         return (error);
2345 }
2346
2347 static int
2348 cdsize(struct cam_periph *periph, u_int32_t *size)
2349 {
2350         struct cd_softc *softc;
2351         union ccb *ccb;
2352         struct scsi_read_capacity_data *rcap_buf;
2353         int error;
2354
2355         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
2356
2357         softc = (struct cd_softc *)periph->softc;
2358
2359         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2360
2361         /* XXX Should be M_WAITOK */
2362         rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
2363                           M_SCSICD, M_NOWAIT | M_ZERO);
2364         if (rcap_buf == NULL)
2365                 return (ENOMEM);
2366
2367         scsi_read_capacity(&ccb->csio,
2368                            /*retries*/ cd_retry_count,
2369                            cddone,
2370                            MSG_SIMPLE_Q_TAG,
2371                            rcap_buf,
2372                            SSD_FULL_SIZE,
2373                            /* timeout */20000);
2374
2375         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2376                          /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2377
2378         xpt_release_ccb(ccb);
2379
2380         softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
2381         softc->params.blksize  = scsi_4btoul(rcap_buf->length);
2382         /* Make sure we got at least some block size. */
2383         if (error == 0 && softc->params.blksize == 0)
2384                 error = EIO;
2385         /*
2386          * SCSI-3 mandates that the reported blocksize shall be 2048.
2387          * Older drives sometimes report funny values, trim it down to
2388          * 2048, or other parts of the kernel will get confused.
2389          *
2390          * XXX we leave drives alone that might report 512 bytes, as
2391          * well as drives reporting more weird sizes like perhaps 4K.
2392          */
2393         if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
2394                 softc->params.blksize = 2048;
2395
2396         free(rcap_buf, M_SCSICD);
2397         *size = softc->params.disksize;
2398
2399         return (error);
2400
2401 }
2402
2403 static int
2404 cd6byteworkaround(union ccb *ccb)
2405 {
2406         u_int8_t *cdb;
2407         struct cam_periph *periph;
2408         struct cd_softc *softc;
2409         struct cd_mode_params *params;
2410         int frozen, found;
2411
2412         periph = xpt_path_periph(ccb->ccb_h.path);
2413         softc = (struct cd_softc *)periph->softc;
2414
2415         cdb = ccb->csio.cdb_io.cdb_bytes;
2416
2417         if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
2418          || ((cdb[0] != MODE_SENSE_6)
2419           && (cdb[0] != MODE_SELECT_6)))
2420                 return (0);
2421
2422         /*
2423          * Because there is no convenient place to stash the overall
2424          * cd_mode_params structure pointer, we have to grab it like this.
2425          * This means that ALL MODE_SENSE and MODE_SELECT requests in the
2426          * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
2427          *
2428          * XXX It would be nice if, at some point, we could increase the
2429          * number of available peripheral private pointers.  Both pointers
2430          * are currently used in most every peripheral driver.
2431          */
2432         found = 0;
2433
2434         STAILQ_FOREACH(params, &softc->mode_queue, links) {
2435                 if (params->mode_buf == ccb->csio.data_ptr) {
2436                         found = 1;
2437                         break;
2438                 }
2439         }
2440
2441         /*
2442          * This shouldn't happen.  All mode sense and mode select
2443          * operations in the cd(4) driver MUST go through cdgetmode() and
2444          * cdsetmode()!
2445          */
2446         if (found == 0) {
2447                 xpt_print(periph->path,
2448                     "mode buffer not found in mode queue!\n");
2449                 return (0);
2450         }
2451
2452         params->cdb_size = 10;
2453         softc->minimum_command_size = 10;
2454         xpt_print(ccb->ccb_h.path,
2455             "%s(6) failed, increasing minimum CDB size to 10 bytes\n",
2456             (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
2457
2458         if (cdb[0] == MODE_SENSE_6) {
2459                 struct scsi_mode_sense_10 ms10;
2460                 struct scsi_mode_sense_6 *ms6;
2461                 int len;
2462
2463                 ms6 = (struct scsi_mode_sense_6 *)cdb;
2464
2465                 bzero(&ms10, sizeof(ms10));
2466                 ms10.opcode = MODE_SENSE_10;
2467                 ms10.byte2 = ms6->byte2;
2468                 ms10.page = ms6->page;
2469
2470                 /*
2471                  * 10 byte mode header, block descriptor,
2472                  * sizeof(union cd_pages)
2473                  */
2474                 len = sizeof(struct cd_mode_data_10);
2475                 ccb->csio.dxfer_len = len;
2476
2477                 scsi_ulto2b(len, ms10.length);
2478                 ms10.control = ms6->control;
2479                 bcopy(&ms10, cdb, 10);
2480                 ccb->csio.cdb_len = 10;
2481         } else {
2482                 struct scsi_mode_select_10 ms10;
2483                 struct scsi_mode_select_6 *ms6;
2484                 struct scsi_mode_header_6 *header6;
2485                 struct scsi_mode_header_10 *header10;
2486                 struct scsi_mode_page_header *page_header;
2487                 int blk_desc_len, page_num, page_size, len;
2488
2489                 ms6 = (struct scsi_mode_select_6 *)cdb;
2490
2491                 bzero(&ms10, sizeof(ms10));
2492                 ms10.opcode = MODE_SELECT_10;
2493                 ms10.byte2 = ms6->byte2;
2494
2495                 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
2496                 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
2497
2498                 page_header = find_mode_page_6(header6);
2499                 page_num = page_header->page_code;
2500
2501                 blk_desc_len = header6->blk_desc_len;
2502
2503                 page_size = cdgetpagesize(page_num);
2504
2505                 if (page_size != (page_header->page_length +
2506                     sizeof(*page_header)))
2507                         page_size = page_header->page_length +
2508                                 sizeof(*page_header);
2509
2510                 len = sizeof(*header10) + blk_desc_len + page_size;
2511
2512                 len = min(params->alloc_len, len);
2513
2514                 /*
2515                  * Since the 6 byte parameter header is shorter than the 10
2516                  * byte parameter header, we need to copy the actual mode
2517                  * page data, and the block descriptor, if any, so things wind
2518                  * up in the right place.  The regions will overlap, but
2519                  * bcopy() does the right thing.
2520                  */
2521                 bcopy(params->mode_buf + sizeof(*header6),
2522                       params->mode_buf + sizeof(*header10),
2523                       len - sizeof(*header10));
2524
2525                 /* Make sure these fields are set correctly. */
2526                 scsi_ulto2b(0, header10->data_length);
2527                 header10->medium_type = 0;
2528                 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
2529
2530                 ccb->csio.dxfer_len = len;
2531
2532                 scsi_ulto2b(len, ms10.length);
2533                 ms10.control = ms6->control;
2534                 bcopy(&ms10, cdb, 10);
2535                 ccb->csio.cdb_len = 10;
2536         }
2537
2538         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2539         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2540         xpt_action(ccb);
2541         if (frozen) {
2542                 cam_release_devq(ccb->ccb_h.path,
2543                                  /*relsim_flags*/0,
2544                                  /*openings*/0,
2545                                  /*timeout*/0,
2546                                  /*getcount_only*/0);
2547         }
2548
2549         return (ERESTART);
2550 }
2551
2552 static int
2553 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
2554 {
2555         struct cd_softc *softc;
2556         struct cam_periph *periph;
2557         int error, error_code, sense_key, asc, ascq;
2558
2559         periph = xpt_path_periph(ccb->ccb_h.path);
2560         softc = (struct cd_softc *)periph->softc;
2561
2562         error = 0;
2563
2564         /*
2565          * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
2566          * CDB comes back with this particular error, try transforming it
2567          * into the 10 byte version.
2568          */
2569         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
2570                 error = cd6byteworkaround(ccb);
2571         } else if (scsi_extract_sense_ccb(ccb,
2572             &error_code, &sense_key, &asc, &ascq)) {
2573                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
2574                         error = cd6byteworkaround(ccb);
2575                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
2576                     asc == 0x28 && ascq == 0x00)
2577                         disk_media_changed(softc->disk, M_NOWAIT);
2578                 else if (sense_key == SSD_KEY_NOT_READY &&
2579                     asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) {
2580                         softc->flags &= ~CD_FLAG_SAW_MEDIA;
2581                         disk_media_gone(softc->disk, M_NOWAIT);
2582                 }
2583         }
2584
2585         if (error == ERESTART)
2586                 return (error);
2587
2588         /*
2589          * XXX
2590          * Until we have a better way of doing pack validation,
2591          * don't treat UAs as errors.
2592          */
2593         sense_flags |= SF_RETRY_UA;
2594
2595         if (softc->quirks & CD_Q_RETRY_BUSY)
2596                 sense_flags |= SF_RETRY_BUSY;
2597         return (cam_periph_error(ccb, cam_flags, sense_flags,
2598                                  &softc->saved_ccb));
2599 }
2600
2601 static void
2602 cdmediapoll(void *arg)
2603 {
2604         struct cam_periph *periph = arg;
2605         struct cd_softc *softc = periph->softc;
2606
2607         if (softc->state == CD_STATE_NORMAL && !softc->tur &&
2608             softc->outstanding_cmds == 0) {
2609                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2610                         softc->tur = 1;
2611                         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
2612                 }
2613         }
2614         /* Queue us up again */
2615         if (cd_poll_period != 0)
2616                 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz);
2617 }
2618
2619 /*
2620  * Read table of contents
2621  */
2622 static int
2623 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
2624           u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
2625 {
2626         struct scsi_read_toc *scsi_cmd;
2627         u_int32_t ntoc;
2628         struct ccb_scsiio *csio;
2629         union ccb *ccb;
2630         int error;
2631
2632         ntoc = len;
2633         error = 0;
2634
2635         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2636
2637         csio = &ccb->csio;
2638
2639         cam_fill_csio(csio,
2640                       /* retries */ cd_retry_count,
2641                       /* cbfcnp */ cddone,
2642                       /* flags */ CAM_DIR_IN,
2643                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2644                       /* data_ptr */ data,
2645                       /* dxfer_len */ len,
2646                       /* sense_len */ SSD_FULL_SIZE,
2647                       sizeof(struct scsi_read_toc),
2648                       /* timeout */ 50000);
2649
2650         scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
2651         bzero (scsi_cmd, sizeof(*scsi_cmd));
2652
2653         if (mode == CD_MSF_FORMAT)
2654                 scsi_cmd->byte2 |= CD_MSF;
2655         scsi_cmd->from_track = start;
2656         /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
2657         scsi_cmd->data_len[0] = (ntoc) >> 8;
2658         scsi_cmd->data_len[1] = (ntoc) & 0xff;
2659
2660         scsi_cmd->op_code = READ_TOC;
2661
2662         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2663                          /*sense_flags*/SF_RETRY_UA | sense_flags);
2664
2665         xpt_release_ccb(ccb);
2666
2667         return(error);
2668 }
2669
2670 static int
2671 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
2672                  u_int32_t format, int track,
2673                  struct cd_sub_channel_info *data, u_int32_t len)
2674 {
2675         struct scsi_read_subchannel *scsi_cmd;
2676         struct ccb_scsiio *csio;
2677         union ccb *ccb;
2678         int error;
2679
2680         error = 0;
2681
2682         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2683
2684         csio = &ccb->csio;
2685
2686         cam_fill_csio(csio,
2687                       /* retries */ cd_retry_count,
2688                       /* cbfcnp */ cddone,
2689                       /* flags */ CAM_DIR_IN,
2690                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2691                       /* data_ptr */ (u_int8_t *)data,
2692                       /* dxfer_len */ len,
2693                       /* sense_len */ SSD_FULL_SIZE,
2694                       sizeof(struct scsi_read_subchannel),
2695                       /* timeout */ 50000);
2696
2697         scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
2698         bzero (scsi_cmd, sizeof(*scsi_cmd));
2699
2700         scsi_cmd->op_code = READ_SUBCHANNEL;
2701         if (mode == CD_MSF_FORMAT)
2702                 scsi_cmd->byte1 |= CD_MSF;
2703         scsi_cmd->byte2 = SRS_SUBQ;
2704         scsi_cmd->subchan_format = format;
2705         scsi_cmd->track = track;
2706         scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
2707         scsi_cmd->control = 0;
2708
2709         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2710                          /*sense_flags*/SF_RETRY_UA);
2711
2712         xpt_release_ccb(ccb);
2713
2714         return(error);
2715 }
2716
2717
2718 /*
2719  * All MODE_SENSE requests in the cd(4) driver MUST go through this
2720  * routine.  See comments in cd6byteworkaround() for details.
2721  */
2722 static int
2723 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
2724           u_int32_t page)
2725 {
2726         struct ccb_scsiio *csio;
2727         struct cd_softc *softc;
2728         union ccb *ccb;
2729         int param_len;
2730         int error;
2731
2732         softc = (struct cd_softc *)periph->softc;
2733
2734         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2735
2736         csio = &ccb->csio;
2737
2738         data->cdb_size = softc->minimum_command_size;
2739         if (data->cdb_size < 10)
2740                 param_len = sizeof(struct cd_mode_data);
2741         else
2742                 param_len = sizeof(struct cd_mode_data_10);
2743
2744         /* Don't say we've got more room than we actually allocated */
2745         param_len = min(param_len, data->alloc_len);
2746
2747         scsi_mode_sense_len(csio,
2748                             /* retries */ cd_retry_count,
2749                             /* cbfcnp */ cddone,
2750                             /* tag_action */ MSG_SIMPLE_Q_TAG,
2751                             /* dbd */ 0,
2752                             /* page_code */ SMS_PAGE_CTRL_CURRENT,
2753                             /* page */ page,
2754                             /* param_buf */ data->mode_buf,
2755                             /* param_len */ param_len,
2756                             /* minimum_cmd_size */ softc->minimum_command_size,
2757                             /* sense_len */ SSD_FULL_SIZE,
2758                             /* timeout */ 50000);
2759
2760         /*
2761          * It would be nice not to have to do this, but there's no
2762          * available pointer in the CCB that would allow us to stuff the
2763          * mode params structure in there and retrieve it in
2764          * cd6byteworkaround(), so we can set the cdb size.  The cdb size
2765          * lets the caller know what CDB size we ended up using, so they
2766          * can find the actual mode page offset.
2767          */
2768         STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
2769
2770         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2771                          /*sense_flags*/SF_RETRY_UA);
2772
2773         xpt_release_ccb(ccb);
2774
2775         STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
2776
2777         /*
2778          * This is a bit of belt-and-suspenders checking, but if we run
2779          * into a situation where the target sends back multiple block
2780          * descriptors, we might not have enough space in the buffer to
2781          * see the whole mode page.  Better to return an error than
2782          * potentially access memory beyond our malloced region.
2783          */
2784         if (error == 0) {
2785                 u_int32_t data_len;
2786
2787                 if (data->cdb_size == 10) {
2788                         struct scsi_mode_header_10 *hdr10;
2789
2790                         hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
2791                         data_len = scsi_2btoul(hdr10->data_length);
2792                         data_len += sizeof(hdr10->data_length);
2793                 } else {
2794                         struct scsi_mode_header_6 *hdr6;
2795
2796                         hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
2797                         data_len = hdr6->data_length;
2798                         data_len += sizeof(hdr6->data_length);
2799                 }
2800
2801                 /*
2802                  * Complain if there is more mode data available than we
2803                  * allocated space for.  This could potentially happen if
2804                  * we miscalculated the page length for some reason, if the
2805                  * drive returns multiple block descriptors, or if it sets
2806                  * the data length incorrectly.
2807                  */
2808                 if (data_len > data->alloc_len) {
2809                         xpt_print(periph->path, "allocated modepage %d length "
2810                             "%d < returned length %d\n", page, data->alloc_len,
2811                             data_len);
2812                         error = ENOSPC;
2813                 }
2814         }
2815         return (error);
2816 }
2817
2818 /*
2819  * All MODE_SELECT requests in the cd(4) driver MUST go through this
2820  * routine.  See comments in cd6byteworkaround() for details.
2821  */
2822 static int
2823 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
2824 {
2825         struct ccb_scsiio *csio;
2826         struct cd_softc *softc;
2827         union ccb *ccb;
2828         int cdb_size, param_len;
2829         int error;
2830
2831         softc = (struct cd_softc *)periph->softc;
2832
2833         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2834
2835         csio = &ccb->csio;
2836
2837         error = 0;
2838
2839         /*
2840          * If the data is formatted for the 10 byte version of the mode
2841          * select parameter list, we need to use the 10 byte CDB.
2842          * Otherwise, we use whatever the stored minimum command size.
2843          */
2844         if (data->cdb_size == 10)
2845                 cdb_size = data->cdb_size;
2846         else
2847                 cdb_size = softc->minimum_command_size;
2848
2849         if (cdb_size >= 10) {
2850                 struct scsi_mode_header_10 *mode_header;
2851                 u_int32_t data_len;
2852
2853                 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
2854
2855                 data_len = scsi_2btoul(mode_header->data_length);
2856
2857                 scsi_ulto2b(0, mode_header->data_length);
2858                 /*
2859                  * SONY drives do not allow a mode select with a medium_type
2860                  * value that has just been returned by a mode sense; use a
2861                  * medium_type of 0 (Default) instead.
2862                  */
2863                 mode_header->medium_type = 0;
2864
2865                 /*
2866                  * Pass back whatever the drive passed to us, plus the size
2867                  * of the data length field.
2868                  */
2869                 param_len = data_len + sizeof(mode_header->data_length);
2870
2871         } else {
2872                 struct scsi_mode_header_6 *mode_header;
2873
2874                 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
2875
2876                 param_len = mode_header->data_length + 1;
2877
2878                 mode_header->data_length = 0;
2879                 /*
2880                  * SONY drives do not allow a mode select with a medium_type
2881                  * value that has just been returned by a mode sense; use a
2882                  * medium_type of 0 (Default) instead.
2883                  */
2884                 mode_header->medium_type = 0;
2885         }
2886
2887         /* Don't say we've got more room than we actually allocated */
2888         param_len = min(param_len, data->alloc_len);
2889
2890         scsi_mode_select_len(csio,
2891                              /* retries */ cd_retry_count,
2892                              /* cbfcnp */ cddone,
2893                              /* tag_action */ MSG_SIMPLE_Q_TAG,
2894                              /* scsi_page_fmt */ 1,
2895                              /* save_pages */ 0,
2896                              /* param_buf */ data->mode_buf,
2897                              /* param_len */ param_len,
2898                              /* minimum_cmd_size */ cdb_size,
2899                              /* sense_len */ SSD_FULL_SIZE,
2900                              /* timeout */ 50000);
2901
2902         /* See comments in cdgetmode() and cd6byteworkaround(). */
2903         STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
2904
2905         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2906                          /*sense_flags*/SF_RETRY_UA);
2907
2908         xpt_release_ccb(ccb);
2909
2910         STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
2911
2912         return (error);
2913 }
2914
2915
2916 static int
2917 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
2918 {
2919         struct ccb_scsiio *csio;
2920         union ccb *ccb;
2921         int error;
2922         u_int8_t cdb_len;
2923
2924         error = 0;
2925         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2926         csio = &ccb->csio;
2927         /*
2928          * Use the smallest possible command to perform the operation.
2929          */
2930         if ((len & 0xffff0000) == 0) {
2931                 /*
2932                  * We can fit in a 10 byte cdb.
2933                  */
2934                 struct scsi_play_10 *scsi_cmd;
2935
2936                 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
2937                 bzero (scsi_cmd, sizeof(*scsi_cmd));
2938                 scsi_cmd->op_code = PLAY_10;
2939                 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
2940                 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
2941                 cdb_len = sizeof(*scsi_cmd);
2942         } else  {
2943                 struct scsi_play_12 *scsi_cmd;
2944
2945                 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
2946                 bzero (scsi_cmd, sizeof(*scsi_cmd));
2947                 scsi_cmd->op_code = PLAY_12;
2948                 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
2949                 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
2950                 cdb_len = sizeof(*scsi_cmd);
2951         }
2952         cam_fill_csio(csio,
2953                       /*retries*/ cd_retry_count,
2954                       cddone,
2955                       /*flags*/CAM_DIR_NONE,
2956                       MSG_SIMPLE_Q_TAG,
2957                       /*dataptr*/NULL,
2958                       /*datalen*/0,
2959                       /*sense_len*/SSD_FULL_SIZE,
2960                       cdb_len,
2961                       /*timeout*/50 * 1000);
2962
2963         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2964                          /*sense_flags*/SF_RETRY_UA);
2965
2966         xpt_release_ccb(ccb);
2967
2968         return(error);
2969 }
2970
2971 static int
2972 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
2973           u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
2974 {
2975         struct scsi_play_msf *scsi_cmd;
2976         struct ccb_scsiio *csio;
2977         union ccb *ccb;
2978         int error;
2979
2980         error = 0;
2981
2982         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2983
2984         csio = &ccb->csio;
2985
2986         cam_fill_csio(csio,
2987                       /* retries */ cd_retry_count,
2988                       /* cbfcnp */ cddone,
2989                       /* flags */ CAM_DIR_NONE,
2990                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2991                       /* data_ptr */ NULL,
2992                       /* dxfer_len */ 0,
2993                       /* sense_len */ SSD_FULL_SIZE,
2994                       sizeof(struct scsi_play_msf),
2995                       /* timeout */ 50000);
2996
2997         scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
2998         bzero (scsi_cmd, sizeof(*scsi_cmd));
2999
3000         scsi_cmd->op_code = PLAY_MSF;
3001         scsi_cmd->start_m = startm;
3002         scsi_cmd->start_s = starts;
3003         scsi_cmd->start_f = startf;
3004         scsi_cmd->end_m = endm;
3005         scsi_cmd->end_s = ends;
3006         scsi_cmd->end_f = endf;
3007
3008         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3009                          /*sense_flags*/SF_RETRY_UA);
3010
3011         xpt_release_ccb(ccb);
3012
3013         return(error);
3014 }
3015
3016
3017 static int
3018 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3019              u_int32_t etrack, u_int32_t eindex)
3020 {
3021         struct scsi_play_track *scsi_cmd;
3022         struct ccb_scsiio *csio;
3023         union ccb *ccb;
3024         int error;
3025
3026         error = 0;
3027
3028         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3029
3030         csio = &ccb->csio;
3031
3032         cam_fill_csio(csio,
3033                       /* retries */ cd_retry_count,
3034                       /* cbfcnp */ cddone,
3035                       /* flags */ CAM_DIR_NONE,
3036                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3037                       /* data_ptr */ NULL,
3038                       /* dxfer_len */ 0,
3039                       /* sense_len */ SSD_FULL_SIZE,
3040                       sizeof(struct scsi_play_track),
3041                       /* timeout */ 50000);
3042
3043         scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3044         bzero (scsi_cmd, sizeof(*scsi_cmd));
3045
3046         scsi_cmd->op_code = PLAY_TRACK;
3047         scsi_cmd->start_track = strack;
3048         scsi_cmd->start_index = sindex;
3049         scsi_cmd->end_track = etrack;
3050         scsi_cmd->end_index = eindex;
3051
3052         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3053                          /*sense_flags*/SF_RETRY_UA);
3054
3055         xpt_release_ccb(ccb);
3056
3057         return(error);
3058 }
3059
3060 static int
3061 cdpause(struct cam_periph *periph, u_int32_t go)
3062 {
3063         struct scsi_pause *scsi_cmd;
3064         struct ccb_scsiio *csio;
3065         union ccb *ccb;
3066         int error;
3067
3068         error = 0;
3069
3070         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3071
3072         csio = &ccb->csio;
3073
3074         cam_fill_csio(csio,
3075                       /* retries */ cd_retry_count,
3076                       /* cbfcnp */ cddone,
3077                       /* flags */ CAM_DIR_NONE,
3078                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3079                       /* data_ptr */ NULL,
3080                       /* dxfer_len */ 0,
3081                       /* sense_len */ SSD_FULL_SIZE,
3082                       sizeof(struct scsi_pause),
3083                       /* timeout */ 50000);
3084
3085         scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
3086         bzero (scsi_cmd, sizeof(*scsi_cmd));
3087
3088         scsi_cmd->op_code = PAUSE;
3089         scsi_cmd->resume = go;
3090
3091         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3092                          /*sense_flags*/SF_RETRY_UA);
3093
3094         xpt_release_ccb(ccb);
3095
3096         return(error);
3097 }
3098
3099 static int
3100 cdstartunit(struct cam_periph *periph, int load)
3101 {
3102         union ccb *ccb;
3103         int error;
3104
3105         error = 0;
3106
3107         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3108
3109         scsi_start_stop(&ccb->csio,
3110                         /* retries */ cd_retry_count,
3111                         /* cbfcnp */ cddone,
3112                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3113                         /* start */ TRUE,
3114                         /* load_eject */ load,
3115                         /* immediate */ FALSE,
3116                         /* sense_len */ SSD_FULL_SIZE,
3117                         /* timeout */ 50000);
3118
3119         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3120                          /*sense_flags*/SF_RETRY_UA);
3121
3122         xpt_release_ccb(ccb);
3123
3124         return(error);
3125 }
3126
3127 static int
3128 cdstopunit(struct cam_periph *periph, u_int32_t eject)
3129 {
3130         union ccb *ccb;
3131         int error;
3132
3133         error = 0;
3134
3135         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3136
3137         scsi_start_stop(&ccb->csio,
3138                         /* retries */ cd_retry_count,
3139                         /* cbfcnp */ cddone,
3140                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3141                         /* start */ FALSE,
3142                         /* load_eject */ eject,
3143                         /* immediate */ FALSE,
3144                         /* sense_len */ SSD_FULL_SIZE,
3145                         /* timeout */ 50000);
3146
3147         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3148                          /*sense_flags*/SF_RETRY_UA);
3149
3150         xpt_release_ccb(ccb);
3151
3152         return(error);
3153 }
3154
3155 static int
3156 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
3157 {
3158         struct scsi_set_speed *scsi_cmd;
3159         struct ccb_scsiio *csio;
3160         union ccb *ccb;
3161         int error;
3162
3163         error = 0;
3164         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3165         csio = &ccb->csio;
3166
3167         /* Preserve old behavior: units in multiples of CDROM speed */
3168         if (rdspeed < 177)
3169                 rdspeed *= 177;
3170         if (wrspeed < 177)
3171                 wrspeed *= 177;
3172
3173         cam_fill_csio(csio,
3174                       /* retries */ cd_retry_count,
3175                       /* cbfcnp */ cddone,
3176                       /* flags */ CAM_DIR_NONE,
3177                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3178                       /* data_ptr */ NULL,
3179                       /* dxfer_len */ 0,
3180                       /* sense_len */ SSD_FULL_SIZE,
3181                       sizeof(struct scsi_set_speed),
3182                       /* timeout */ 50000);
3183
3184         scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
3185         bzero(scsi_cmd, sizeof(*scsi_cmd));
3186
3187         scsi_cmd->opcode = SET_CD_SPEED;
3188         scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
3189         scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
3190
3191         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3192                          /*sense_flags*/SF_RETRY_UA);
3193
3194         xpt_release_ccb(ccb);
3195
3196         return(error);
3197 }
3198
3199 static int
3200 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3201 {
3202         union ccb *ccb;
3203         u_int8_t *databuf;
3204         u_int32_t lba;
3205         int error;
3206         int length;
3207
3208         error = 0;
3209         databuf = NULL;
3210         lba = 0;
3211
3212         switch (authinfo->format) {
3213         case DVD_REPORT_AGID:
3214                 length = sizeof(struct scsi_report_key_data_agid);
3215                 break;
3216         case DVD_REPORT_CHALLENGE:
3217                 length = sizeof(struct scsi_report_key_data_challenge);
3218                 break;
3219         case DVD_REPORT_KEY1:
3220                 length = sizeof(struct scsi_report_key_data_key1_key2);
3221                 break;
3222         case DVD_REPORT_TITLE_KEY:
3223                 length = sizeof(struct scsi_report_key_data_title);
3224                 /* The lba field is only set for the title key */
3225                 lba = authinfo->lba;
3226                 break;
3227         case DVD_REPORT_ASF:
3228                 length = sizeof(struct scsi_report_key_data_asf);
3229                 break;
3230         case DVD_REPORT_RPC:
3231                 length = sizeof(struct scsi_report_key_data_rpc);
3232                 break;
3233         case DVD_INVALIDATE_AGID:
3234                 length = 0;
3235                 break;
3236         default:
3237                 return (EINVAL);
3238         }
3239
3240         if (length != 0) {
3241                 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3242         } else
3243                 databuf = NULL;
3244
3245         cam_periph_lock(periph);
3246         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3247
3248         scsi_report_key(&ccb->csio,
3249                         /* retries */ cd_retry_count,
3250                         /* cbfcnp */ cddone,
3251                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3252                         /* lba */ lba,
3253                         /* agid */ authinfo->agid,
3254                         /* key_format */ authinfo->format,
3255                         /* data_ptr */ databuf,
3256                         /* dxfer_len */ length,
3257                         /* sense_len */ SSD_FULL_SIZE,
3258                         /* timeout */ 50000);
3259
3260         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3261                          /*sense_flags*/SF_RETRY_UA);
3262
3263         if (error != 0)
3264                 goto bailout;
3265
3266         if (ccb->csio.resid != 0) {
3267                 xpt_print(periph->path, "warning, residual for report key "
3268                     "command is %d\n", ccb->csio.resid);
3269         }
3270
3271         switch(authinfo->format) {
3272         case DVD_REPORT_AGID: {
3273                 struct scsi_report_key_data_agid *agid_data;
3274
3275                 agid_data = (struct scsi_report_key_data_agid *)databuf;
3276
3277                 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
3278                         RKD_AGID_SHIFT;
3279                 break;
3280         }
3281         case DVD_REPORT_CHALLENGE: {
3282                 struct scsi_report_key_data_challenge *chal_data;
3283
3284                 chal_data = (struct scsi_report_key_data_challenge *)databuf;
3285
3286                 bcopy(chal_data->challenge_key, authinfo->keychal,
3287                       min(sizeof(chal_data->challenge_key),
3288                           sizeof(authinfo->keychal)));
3289                 break;
3290         }
3291         case DVD_REPORT_KEY1: {
3292                 struct scsi_report_key_data_key1_key2 *key1_data;
3293
3294                 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
3295
3296                 bcopy(key1_data->key1, authinfo->keychal,
3297                       min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
3298                 break;
3299         }
3300         case DVD_REPORT_TITLE_KEY: {
3301                 struct scsi_report_key_data_title *title_data;
3302
3303                 title_data = (struct scsi_report_key_data_title *)databuf;
3304
3305                 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
3306                         RKD_TITLE_CPM_SHIFT;
3307                 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
3308                         RKD_TITLE_CP_SEC_SHIFT;
3309                 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
3310                         RKD_TITLE_CMGS_SHIFT;
3311                 bcopy(title_data->title_key, authinfo->keychal,
3312                       min(sizeof(title_data->title_key),
3313                           sizeof(authinfo->keychal)));
3314                 break;
3315         }
3316         case DVD_REPORT_ASF: {
3317                 struct scsi_report_key_data_asf *asf_data;
3318
3319                 asf_data = (struct scsi_report_key_data_asf *)databuf;
3320
3321                 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
3322                 break;
3323         }
3324         case DVD_REPORT_RPC: {
3325                 struct scsi_report_key_data_rpc *rpc_data;
3326
3327                 rpc_data = (struct scsi_report_key_data_rpc *)databuf;
3328
3329                 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
3330                         RKD_RPC_TYPE_SHIFT;
3331                 authinfo->vend_rsts =
3332                         (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
3333                         RKD_RPC_VENDOR_RESET_SHIFT;
3334                 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
3335                 authinfo->region = rpc_data->region_mask;
3336                 authinfo->rpc_scheme = rpc_data->rpc_scheme1;
3337                 break;
3338         }
3339         case DVD_INVALIDATE_AGID:
3340                 break;
3341         default:
3342                 /* This should be impossible, since we checked above */
3343                 error = EINVAL;
3344                 goto bailout;
3345                 break; /* NOTREACHED */
3346         }
3347
3348 bailout:
3349         xpt_release_ccb(ccb);
3350         cam_periph_unlock(periph);
3351
3352         if (databuf != NULL)
3353                 free(databuf, M_DEVBUF);
3354
3355         return(error);
3356 }
3357
3358 static int
3359 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3360 {
3361         union ccb *ccb;
3362         u_int8_t *databuf;
3363         int length;
3364         int error;
3365
3366         error = 0;
3367         databuf = NULL;
3368
3369         switch(authinfo->format) {
3370         case DVD_SEND_CHALLENGE: {
3371                 struct scsi_report_key_data_challenge *challenge_data;
3372
3373                 length = sizeof(*challenge_data);
3374
3375                 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3376
3377                 databuf = (u_int8_t *)challenge_data;
3378
3379                 scsi_ulto2b(length - sizeof(challenge_data->data_len),
3380                             challenge_data->data_len);
3381
3382                 bcopy(authinfo->keychal, challenge_data->challenge_key,
3383                       min(sizeof(authinfo->keychal),
3384                           sizeof(challenge_data->challenge_key)));
3385                 break;
3386         }
3387         case DVD_SEND_KEY2: {
3388                 struct scsi_report_key_data_key1_key2 *key2_data;
3389
3390                 length = sizeof(*key2_data);
3391
3392                 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3393
3394                 databuf = (u_int8_t *)key2_data;
3395
3396                 scsi_ulto2b(length - sizeof(key2_data->data_len),
3397                             key2_data->data_len);
3398
3399                 bcopy(authinfo->keychal, key2_data->key1,
3400                       min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
3401
3402                 break;
3403         }
3404         case DVD_SEND_RPC: {
3405                 struct scsi_send_key_data_rpc *rpc_data;
3406
3407                 length = sizeof(*rpc_data);
3408
3409                 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3410
3411                 databuf = (u_int8_t *)rpc_data;
3412
3413                 scsi_ulto2b(length - sizeof(rpc_data->data_len),
3414                             rpc_data->data_len);
3415
3416                 rpc_data->region_code = authinfo->region;
3417                 break;
3418         }
3419         default:
3420                 return (EINVAL);
3421         }
3422
3423         cam_periph_lock(periph);
3424         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3425
3426         scsi_send_key(&ccb->csio,
3427                       /* retries */ cd_retry_count,
3428                       /* cbfcnp */ cddone,
3429                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3430                       /* agid */ authinfo->agid,
3431                       /* key_format */ authinfo->format,
3432                       /* data_ptr */ databuf,
3433                       /* dxfer_len */ length,
3434                       /* sense_len */ SSD_FULL_SIZE,
3435                       /* timeout */ 50000);
3436
3437         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3438                          /*sense_flags*/SF_RETRY_UA);
3439
3440         xpt_release_ccb(ccb);
3441         cam_periph_unlock(periph);
3442
3443         if (databuf != NULL)
3444                 free(databuf, M_DEVBUF);
3445
3446         return(error);
3447 }
3448
3449 static int
3450 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
3451 {
3452         union ccb *ccb;
3453         u_int8_t *databuf;
3454         u_int32_t address;
3455         int error;
3456         int length;
3457
3458         error = 0;
3459         databuf = NULL;
3460         /* The address is reserved for many of the formats */
3461         address = 0;
3462
3463         switch(dvdstruct->format) {
3464         case DVD_STRUCT_PHYSICAL:
3465                 length = sizeof(struct scsi_read_dvd_struct_data_physical);
3466                 break;
3467         case DVD_STRUCT_COPYRIGHT:
3468                 length = sizeof(struct scsi_read_dvd_struct_data_copyright);
3469                 break;
3470         case DVD_STRUCT_DISCKEY:
3471                 length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
3472                 break;
3473         case DVD_STRUCT_BCA:
3474                 length = sizeof(struct scsi_read_dvd_struct_data_bca);
3475                 break;
3476         case DVD_STRUCT_MANUFACT:
3477                 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
3478                 break;
3479         case DVD_STRUCT_CMI:
3480                 return (ENODEV);
3481         case DVD_STRUCT_PROTDISCID:
3482                 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
3483                 break;
3484         case DVD_STRUCT_DISCKEYBLOCK:
3485                 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
3486                 break;
3487         case DVD_STRUCT_DDS:
3488                 length = sizeof(struct scsi_read_dvd_struct_data_dds);
3489                 break;
3490         case DVD_STRUCT_MEDIUM_STAT:
3491                 length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
3492                 break;
3493         case DVD_STRUCT_SPARE_AREA:
3494                 length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
3495                 break;
3496         case DVD_STRUCT_RMD_LAST:
3497                 return (ENODEV);
3498         case DVD_STRUCT_RMD_RMA:
3499                 return (ENODEV);
3500         case DVD_STRUCT_PRERECORDED:
3501                 length = sizeof(struct scsi_read_dvd_struct_data_leadin);
3502                 break;
3503         case DVD_STRUCT_UNIQUEID:
3504                 length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
3505                 break;
3506         case DVD_STRUCT_DCB:
3507                 return (ENODEV);
3508         case DVD_STRUCT_LIST:
3509                 /*
3510                  * This is the maximum allocation length for the READ DVD
3511                  * STRUCTURE command.  There's nothing in the MMC3 spec
3512                  * that indicates a limit in the amount of data that can
3513                  * be returned from this call, other than the limits
3514                  * imposed by the 2-byte length variables.
3515                  */
3516                 length = 65535;
3517                 break;
3518         default:
3519                 return (EINVAL);
3520         }
3521
3522         if (length != 0) {
3523                 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3524         } else
3525                 databuf = NULL;
3526
3527         cam_periph_lock(periph);
3528         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3529
3530         scsi_read_dvd_structure(&ccb->csio,
3531                                 /* retries */ cd_retry_count,
3532                                 /* cbfcnp */ cddone,
3533                                 /* tag_action */ MSG_SIMPLE_Q_TAG,
3534                                 /* lba */ address,
3535                                 /* layer_number */ dvdstruct->layer_num,
3536                                 /* key_format */ dvdstruct->format,
3537                                 /* agid */ dvdstruct->agid,
3538                                 /* data_ptr */ databuf,
3539                                 /* dxfer_len */ length,
3540                                 /* sense_len */ SSD_FULL_SIZE,
3541                                 /* timeout */ 50000);
3542
3543         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3544                          /*sense_flags*/SF_RETRY_UA);
3545
3546         if (error != 0)
3547                 goto bailout;
3548
3549         switch(dvdstruct->format) {
3550         case DVD_STRUCT_PHYSICAL: {
3551                 struct scsi_read_dvd_struct_data_layer_desc *inlayer;
3552                 struct dvd_layer *outlayer;
3553                 struct scsi_read_dvd_struct_data_physical *phys_data;
3554
3555                 phys_data =
3556                         (struct scsi_read_dvd_struct_data_physical *)databuf;
3557                 inlayer = &phys_data->layer_desc;
3558                 outlayer = (struct dvd_layer *)&dvdstruct->data;
3559
3560                 dvdstruct->length = sizeof(*inlayer);
3561
3562                 outlayer->book_type = (inlayer->book_type_version &
3563                         RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
3564                 outlayer->book_version = (inlayer->book_type_version &
3565                         RDSD_BOOK_VERSION_MASK);
3566                 outlayer->disc_size = (inlayer->disc_size_max_rate &
3567                         RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
3568                 outlayer->max_rate = (inlayer->disc_size_max_rate &
3569                         RDSD_MAX_RATE_MASK);
3570                 outlayer->nlayers = (inlayer->layer_info &
3571                         RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
3572                 outlayer->track_path = (inlayer->layer_info &
3573                         RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
3574                 outlayer->layer_type = (inlayer->layer_info &
3575                         RDSD_LAYER_TYPE_MASK);
3576                 outlayer->linear_density = (inlayer->density &
3577                         RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
3578                 outlayer->track_density = (inlayer->density &
3579                         RDSD_TRACK_DENSITY_MASK);
3580                 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
3581                         RDSD_BCA_SHIFT;
3582                 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
3583                 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
3584                 outlayer->end_sector_l0 =
3585                         scsi_3btoul(inlayer->end_sector_layer0);
3586                 break;
3587         }
3588         case DVD_STRUCT_COPYRIGHT: {
3589                 struct scsi_read_dvd_struct_data_copyright *copy_data;
3590
3591                 copy_data = (struct scsi_read_dvd_struct_data_copyright *)
3592                         databuf;
3593
3594                 dvdstruct->cpst = copy_data->cps_type;
3595                 dvdstruct->rmi = copy_data->region_info;
3596                 dvdstruct->length = 0;
3597
3598                 break;
3599         }
3600         default:
3601                 /*
3602                  * Tell the user what the overall length is, no matter
3603                  * what we can actually fit in the data buffer.
3604                  */
3605                 dvdstruct->length = length - ccb->csio.resid -
3606                         sizeof(struct scsi_read_dvd_struct_data_header);
3607
3608                 /*
3609                  * But only actually copy out the smaller of what we read
3610                  * in or what the structure can take.
3611                  */
3612                 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
3613                       dvdstruct->data,
3614                       min(sizeof(dvdstruct->data), dvdstruct->length));
3615                 break;
3616         }
3617
3618 bailout:
3619         xpt_release_ccb(ccb);
3620         cam_periph_unlock(periph);
3621
3622         if (databuf != NULL)
3623                 free(databuf, M_DEVBUF);
3624
3625         return(error);
3626 }
3627
3628 void
3629 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
3630                 void (*cbfcnp)(struct cam_periph *, union ccb *),
3631                 u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
3632                 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
3633                 u_int8_t sense_len, u_int32_t timeout)
3634 {
3635         struct scsi_report_key *scsi_cmd;
3636
3637         scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
3638         bzero(scsi_cmd, sizeof(*scsi_cmd));
3639         scsi_cmd->opcode = REPORT_KEY;
3640         scsi_ulto4b(lba, scsi_cmd->lba);
3641         scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
3642         scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
3643                 (key_format & RK_KF_KEYFORMAT_MASK);
3644
3645         cam_fill_csio(csio,
3646                       retries,
3647                       cbfcnp,
3648                       /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
3649                       tag_action,
3650                       /*data_ptr*/ data_ptr,
3651                       /*dxfer_len*/ dxfer_len,
3652                       sense_len,
3653                       sizeof(*scsi_cmd),
3654                       timeout);
3655 }
3656
3657 void
3658 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
3659               void (*cbfcnp)(struct cam_periph *, union ccb *),
3660               u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
3661               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3662               u_int32_t timeout)
3663 {
3664         struct scsi_send_key *scsi_cmd;
3665
3666         scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
3667         bzero(scsi_cmd, sizeof(*scsi_cmd));
3668         scsi_cmd->opcode = SEND_KEY;
3669
3670         scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
3671         scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
3672                 (key_format & RK_KF_KEYFORMAT_MASK);
3673
3674         cam_fill_csio(csio,
3675                       retries,
3676                       cbfcnp,
3677                       /*flags*/ CAM_DIR_OUT,
3678                       tag_action,
3679                       /*data_ptr*/ data_ptr,
3680                       /*dxfer_len*/ dxfer_len,
3681                       sense_len,
3682                       sizeof(*scsi_cmd),
3683                       timeout);
3684 }
3685
3686
3687 void
3688 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
3689                         void (*cbfcnp)(struct cam_periph *, union ccb *),
3690                         u_int8_t tag_action, u_int32_t address,
3691                         u_int8_t layer_number, u_int8_t format, u_int8_t agid,
3692                         u_int8_t *data_ptr, u_int32_t dxfer_len,
3693                         u_int8_t sense_len, u_int32_t timeout)
3694 {
3695         struct scsi_read_dvd_structure *scsi_cmd;
3696
3697         scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
3698         bzero(scsi_cmd, sizeof(*scsi_cmd));
3699         scsi_cmd->opcode = READ_DVD_STRUCTURE;
3700
3701         scsi_ulto4b(address, scsi_cmd->address);
3702         scsi_cmd->layer_number = layer_number;
3703         scsi_cmd->format = format;
3704         scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
3705         /* The AGID is the top two bits of this byte */
3706         scsi_cmd->agid = agid << 6;
3707
3708         cam_fill_csio(csio,
3709                       retries,
3710                       cbfcnp,
3711                       /*flags*/ CAM_DIR_IN,
3712                       tag_action,
3713                       /*data_ptr*/ data_ptr,
3714                       /*dxfer_len*/ dxfer_len,
3715                       sense_len,
3716                       sizeof(*scsi_cmd),
3717                       timeout);
3718 }