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