sys/cam/scsi/scsi_cd.c

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