2 * Copyright (c) 1997 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Portions of this driver taken from the original FreeBSD cd driver.
30 * Written by Julian Elischer (julian@tfs.com)
31 * for TRW Financial Systems for use under the MACH(2.5) operating system.
33 * TRW Financial Systems, in accordance with their agreement with Carnegie
34 * Mellon University, makes this software available to CMU to distribute
35 * or use in any manner that they see fit as long as this message is kept with
36 * the software. For this reason TFS also grants any other persons or
37 * organisations permission to use or modify this software.
39 * TFS supplies this software to be publicly redistributed
40 * on the understanding that TFS is not responsible for the correct
41 * functioning of this software in any circumstances.
43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/kernel.h>
59 #include <sys/malloc.h>
61 #include <sys/cdrio.h>
62 #include <sys/dvdio.h>
63 #include <sys/devicestat.h>
64 #include <sys/sysctl.h>
65 #include <sys/taskqueue.h>
66 #include <geom/geom_disk.h>
69 #include <cam/cam_ccb.h>
70 #include <cam/cam_periph.h>
71 #include <cam/cam_xpt_periph.h>
72 #include <cam/cam_queue.h>
73 #include <cam/cam_sim.h>
75 #include <cam/scsi/scsi_message.h>
76 #include <cam/scsi/scsi_da.h>
77 #include <cam/scsi/scsi_cd.h>
79 #define LEADOUT 0xaa /* leadout toc entry */
89 CD_Q_BCD_TRACKS = 0x02,
90 CD_Q_NO_CHANGER = 0x04,
92 CD_Q_10_BYTE_ONLY = 0x10
96 CD_FLAG_INVALID = 0x0001,
97 CD_FLAG_NEW_DISC = 0x0002,
98 CD_FLAG_DISC_LOCKED = 0x0004,
99 CD_FLAG_DISC_REMOVABLE = 0x0008,
100 CD_FLAG_CHANGER = 0x0040,
101 CD_FLAG_ACTIVE = 0x0080,
102 CD_FLAG_SCHED_ON_COMP = 0x0100,
103 CD_FLAG_RETRY_UA = 0x0200,
104 CD_FLAG_VALID_MEDIA = 0x0400,
105 CD_FLAG_VALID_TOC = 0x0800,
106 CD_FLAG_SCTX_INIT = 0x1000
111 CD_CCB_BUFFER_IO = 0x02,
112 CD_CCB_WAITING = 0x03,
113 CD_CCB_TYPE_MASK = 0x0F,
114 CD_CCB_RETRY_UA = 0x10
118 CHANGER_TIMEOUT_SCHED = 0x01,
119 CHANGER_SHORT_TMOUT_SCHED = 0x02,
120 CHANGER_MANUAL_CALL = 0x04,
121 CHANGER_NEED_TIMEOUT = 0x08
124 #define ccb_state ppriv_field0
125 #define ccb_bp ppriv_ptr1
128 struct ioc_toc_header header;
129 struct cd_toc_entry entries[100];
132 struct cd_toc_single {
133 struct ioc_toc_header header;
134 struct cd_toc_entry entry;
145 volatile cd_flags flags;
146 struct bio_queue_head bio_queue;
147 LIST_HEAD(, ccb_hdr) pending_ccbs;
148 struct cd_params params;
151 STAILQ_ENTRY(cd_softc) changer_links;
152 struct cdchanger *changer;
154 struct cam_periph *periph;
155 int minimum_command_size;
156 int outstanding_cmds;
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;
165 struct cd_page_sizes {
170 static struct cd_page_sizes cd_page_size_table[] =
172 { AUDIO_PAGE, sizeof(struct cd_audio_page)}
175 struct cd_quirk_entry {
176 struct scsi_inquiry_pattern inq_pat;
181 * The changer quirk entries aren't strictly necessary. Basically, what
182 * they do is tell cdregister() up front that a device is a changer.
183 * Otherwise, it will figure that fact out once it sees a LUN on the device
184 * that is greater than 0. If it is known up front that a device is a changer,
185 * all I/O to the device will go through the changer scheduling routines, as
186 * opposed to the "normal" CD code.
188 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because
189 * your device hangs when it gets a 10 byte command. Adding a quirk just
190 * to get rid of the informative diagnostic message is not acceptable. All
191 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
192 * referenced in a comment along with the quirk) , and must be approved by
193 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may
194 * be removed until the submitter can explain why they are needed.
195 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
196 * when the CAM_NEW_TRAN_CODE work is done.
198 static struct cd_quirk_entry cd_quirk_table[] =
201 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
202 /*quirks*/ CD_Q_CHANGER
205 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
206 "*"}, /* quirks */ CD_Q_CHANGER
209 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
210 /* quirks */ CD_Q_CHANGER
213 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
214 /* quirks */ CD_Q_BCD_TRACKS
218 static disk_open_t cdopen;
219 static disk_close_t cdclose;
220 static disk_ioctl_t cdioctl;
221 static disk_strategy_t cdstrategy;
223 static periph_init_t cdinit;
224 static periph_ctor_t cdregister;
225 static periph_dtor_t cdcleanup;
226 static periph_start_t cdstart;
227 static periph_oninv_t cdoninvalidate;
228 static void cdasync(void *callback_arg, u_int32_t code,
229 struct cam_path *path, void *arg);
230 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
231 static void cdshorttimeout(void *arg);
232 static void cdschedule(struct cam_periph *periph, int priority);
233 static void cdrunchangerqueue(void *arg);
234 static void cdchangerschedule(struct cd_softc *softc);
235 static int cdrunccb(union ccb *ccb,
236 int (*error_routine)(union ccb *ccb,
238 u_int32_t sense_flags),
239 u_int32_t cam_flags, u_int32_t sense_flags);
240 static union ccb *cdgetccb(struct cam_periph *periph,
242 static void cddone(struct cam_periph *periph,
243 union ccb *start_ccb);
244 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params);
245 static int cdgetpagesize(int page_num);
246 static void cdprevent(struct cam_periph *periph, int action);
247 static int cdcheckmedia(struct cam_periph *periph);
248 static int cdsize(struct cam_periph *periph, u_int32_t *size);
249 static int cd6byteworkaround(union ccb *ccb);
250 static int cderror(union ccb *ccb, u_int32_t cam_flags,
251 u_int32_t sense_flags);
252 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode,
253 u_int32_t start, u_int8_t *data,
254 u_int32_t len, u_int32_t sense_flags);
255 static int cdgetmode(struct cam_periph *periph,
256 struct cd_mode_params *data, u_int32_t page);
257 static int cdsetmode(struct cam_periph *periph,
258 struct cd_mode_params *data);
259 static int cdplay(struct cam_periph *periph, u_int32_t blk,
261 static int cdreadsubchannel(struct cam_periph *periph,
262 u_int32_t mode, u_int32_t format,
264 struct cd_sub_channel_info *data,
266 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm,
267 u_int32_t starts, u_int32_t startf,
268 u_int32_t endm, u_int32_t ends,
270 static int cdplaytracks(struct cam_periph *periph,
271 u_int32_t strack, u_int32_t sindex,
272 u_int32_t etrack, u_int32_t eindex);
273 static int cdpause(struct cam_periph *periph, u_int32_t go);
274 static int cdstopunit(struct cam_periph *periph, u_int32_t eject);
275 static int cdstartunit(struct cam_periph *periph, int load);
276 static int cdsetspeed(struct cam_periph *periph,
277 u_int32_t rdspeed, u_int32_t wrspeed);
278 static int cdreportkey(struct cam_periph *periph,
279 struct dvd_authinfo *authinfo);
280 static int cdsendkey(struct cam_periph *periph,
281 struct dvd_authinfo *authinfo);
282 static int cdreaddvdstructure(struct cam_periph *periph,
283 struct dvd_struct *dvdstruct);
285 static struct periph_driver cddriver =
288 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
291 PERIPHDRIVER_DECLARE(cd, cddriver);
293 #ifndef CD_DEFAULT_RETRY
294 #define CD_DEFAULT_RETRY 4
296 #ifndef CHANGER_MIN_BUSY_SECONDS
297 #define CHANGER_MIN_BUSY_SECONDS 5
299 #ifndef CHANGER_MAX_BUSY_SECONDS
300 #define CHANGER_MAX_BUSY_SECONDS 15
303 static int cd_retry_count = CD_DEFAULT_RETRY;
304 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
305 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
307 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
308 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
309 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW,
310 &cd_retry_count, 0, "Normal I/O retry count");
311 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count);
312 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
313 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
314 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds);
315 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
316 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
317 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds);
321 target_id_t target_id;
324 struct timeval start_time;
325 struct cd_softc *cur_device;
326 struct callout short_handle;
327 struct callout long_handle;
328 volatile cd_changer_flags flags;
329 STAILQ_ENTRY(cdchanger) changer_links;
330 STAILQ_HEAD(chdevlist, cd_softc) chluns;
333 static struct mtx changerq_mtx;
334 static STAILQ_HEAD(changerlist, cdchanger) changerq;
335 static int num_changers;
337 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers");
344 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF);
345 STAILQ_INIT(&changerq);
348 * Install a global async callback. This callback will
349 * receive async callbacks like "new device found".
351 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL);
353 if (status != CAM_REQ_CMP) {
354 printf("cd: Failed to attach master async callback "
355 "due to status 0x%x!\n", status);
360 * Callback from GEOM, called when it has finished cleaning up its
364 cddiskgonecb(struct disk *dp)
366 struct cam_periph *periph;
368 periph = (struct cam_periph *)dp->d_drv1;
370 cam_periph_release(periph);
374 cdoninvalidate(struct cam_periph *periph)
376 struct cd_softc *softc;
378 softc = (struct cd_softc *)periph->softc;
381 * De-register any async callbacks.
383 xpt_register_async(0, cdasync, periph, periph->path);
385 softc->flags |= CD_FLAG_INVALID;
388 * Return all queued I/O with ENXIO.
389 * XXX Handle any transactions queued to the card
390 * with XPT_ABORT_CCB.
392 bioq_flush(&softc->bio_queue, NULL, ENXIO);
395 * If this device is part of a changer, and it was scheduled
396 * to run, remove it from the run queue since we just nuked
397 * all of its scheduled I/O.
399 if ((softc->flags & CD_FLAG_CHANGER)
400 && (softc->pinfo.index != CAM_UNQUEUED_INDEX))
401 camq_remove(&softc->changer->devq, softc->pinfo.index);
403 disk_gone(softc->disk);
404 xpt_print(periph->path, "lost device, %d refs\n", periph->refcount);
408 cdcleanup(struct cam_periph *periph)
410 struct cd_softc *softc;
412 softc = (struct cd_softc *)periph->softc;
414 xpt_print(periph->path, "removing device entry\n");
417 * In the queued, non-active case, the device in question
418 * has already been removed from the changer run queue. Since this
419 * device is active, we need to de-activate it, and schedule
420 * another device to run. (if there is another one to run)
422 if ((softc->flags & CD_FLAG_CHANGER)
423 && (softc->flags & CD_FLAG_ACTIVE)) {
426 * The purpose of the short timeout is soley to determine
427 * whether the current device has finished or not. Well,
428 * since we're removing the active device, we know that it
429 * is finished. So, get rid of the short timeout.
430 * Otherwise, if we're in the time period before the short
431 * timeout fires, and there are no other devices in the
432 * queue to run, there won't be any other device put in the
433 * active slot. i.e., when we call cdrunchangerqueue()
434 * below, it won't do anything. Then, when the short
435 * timeout fires, it'll look at the "current device", which
436 * we are free below, and possibly panic the kernel on a
437 * bogus pointer reference.
439 * The long timeout doesn't really matter, since we
440 * decrement the qfrozen_cnt to indicate that there is
441 * nothing in the active slot now. Therefore, there won't
442 * be any bogus pointer references there.
444 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
445 callout_stop(&softc->changer->short_handle);
446 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
448 softc->changer->devq.qfrozen_cnt[0]--;
449 softc->changer->flags |= CHANGER_MANUAL_CALL;
450 cdrunchangerqueue(softc->changer);
454 * If we're removing the last device on the changer, go ahead and
455 * remove the changer device structure.
457 if ((softc->flags & CD_FLAG_CHANGER)
458 && (--softc->changer->num_devices == 0)) {
461 * Theoretically, there shouldn't be any timeouts left, but
462 * I'm not completely sure that that will be the case. So,
463 * it won't hurt to check and see if there are any left.
465 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
466 callout_stop(&softc->changer->long_handle);
467 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
470 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
471 callout_stop(&softc->changer->short_handle);
472 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
475 mtx_lock(&changerq_mtx);
476 STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
479 mtx_unlock(&changerq_mtx);
480 xpt_print(periph->path, "removing changer entry\n");
481 free(softc->changer, M_DEVBUF);
483 cam_periph_unlock(periph);
484 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
485 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
486 xpt_print(periph->path, "can't remove sysctl context\n");
489 disk_destroy(softc->disk);
490 free(softc, M_DEVBUF);
491 cam_periph_lock(periph);
495 cdasync(void *callback_arg, u_int32_t code,
496 struct cam_path *path, void *arg)
498 struct cam_periph *periph;
500 periph = (struct cam_periph *)callback_arg;
502 case AC_FOUND_DEVICE:
504 struct ccb_getdev *cgd;
507 cgd = (struct ccb_getdev *)arg;
511 if (cgd->protocol != PROTO_SCSI)
514 if (SID_TYPE(&cgd->inq_data) != T_CDROM
515 && SID_TYPE(&cgd->inq_data) != T_WORM)
519 * Allocate a peripheral instance for
520 * this device and start the probe
523 status = cam_periph_alloc(cdregister, cdoninvalidate,
525 "cd", CAM_PERIPH_BIO,
526 cgd->ccb_h.path, cdasync,
527 AC_FOUND_DEVICE, cgd);
529 if (status != CAM_REQ_CMP
530 && status != CAM_REQ_INPROG)
531 printf("cdasync: Unable to attach new device "
532 "due to status 0x%x\n", status);
539 struct cd_softc *softc;
540 struct ccb_hdr *ccbh;
542 softc = (struct cd_softc *)periph->softc;
544 * Don't fail on the expected unit attention
547 softc->flags |= CD_FLAG_RETRY_UA;
548 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
549 ccbh->ccb_state |= CD_CCB_RETRY_UA;
553 cam_periph_async(periph, code, path, arg);
559 cdsysctlinit(void *context, int pending)
561 struct cam_periph *periph;
562 struct cd_softc *softc;
563 char tmpstr[80], tmpstr2[80];
565 periph = (struct cam_periph *)context;
566 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
569 softc = (struct cd_softc *)periph->softc;
570 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
571 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
573 sysctl_ctx_init(&softc->sysctl_ctx);
574 softc->flags |= CD_FLAG_SCTX_INIT;
575 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
576 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
577 tmpstr2, CTLFLAG_RD, 0, tmpstr);
579 if (softc->sysctl_tree == NULL) {
580 printf("cdsysctlinit: unable to allocate sysctl tree\n");
581 cam_periph_release(periph);
586 * Now register the sysctl handler, so the user can the value on
589 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
590 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
591 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
594 cam_periph_release(periph);
598 * We have a handler function for this so we can check the values when the
599 * user sets them, instead of every time we look at them.
602 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
606 value = *(int *)arg1;
608 error = sysctl_handle_int(oidp, &value, 0, req);
611 || (req->newptr == NULL))
615 * The only real values we can have here are 6 or 10. I don't
616 * really forsee having 12 be an option at any time in the future.
617 * So if the user sets something less than or equal to 6, we'll set
618 * it to 6. If he sets something greater than 6, we'll set it to 10.
620 * I suppose we could just return an error here for the wrong values,
621 * but I don't think it's necessary to do so, as long as we can
622 * determine the user's intent without too much trouble.
629 *(int *)arg1 = value;
635 cdregister(struct cam_periph *periph, void *arg)
637 struct cd_softc *softc;
638 struct ccb_pathinq cpi;
639 struct ccb_getdev *cgd;
643 cgd = (struct ccb_getdev *)arg;
644 if (periph == NULL) {
645 printf("cdregister: periph was NULL!!\n");
646 return(CAM_REQ_CMP_ERR);
649 printf("cdregister: no getdev CCB, can't register device\n");
650 return(CAM_REQ_CMP_ERR);
653 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,
656 printf("cdregister: Unable to probe new device. "
657 "Unable to allocate softc\n");
658 return(CAM_REQ_CMP_ERR);
661 LIST_INIT(&softc->pending_ccbs);
662 STAILQ_INIT(&softc->mode_queue);
663 softc->state = CD_STATE_PROBE;
664 bioq_init(&softc->bio_queue);
665 if (SID_IS_REMOVABLE(&cgd->inq_data))
666 softc->flags |= CD_FLAG_DISC_REMOVABLE;
668 periph->softc = softc;
669 softc->periph = periph;
672 * See if this device has any quirks.
674 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
675 (caddr_t)cd_quirk_table,
676 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
677 sizeof(*cd_quirk_table), scsi_inquiry_match);
680 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
682 softc->quirks = CD_Q_NONE;
684 /* Check if the SIM does not want 6 byte commands */
685 bzero(&cpi, sizeof(cpi));
686 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
687 cpi.ccb_h.func_code = XPT_PATH_INQ;
688 xpt_action((union ccb *)&cpi);
689 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
690 softc->quirks |= CD_Q_10_BYTE_ONLY;
692 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
694 /* The default is 6 byte commands, unless quirked otherwise */
695 if (softc->quirks & CD_Q_10_BYTE_ONLY)
696 softc->minimum_command_size = 10;
698 softc->minimum_command_size = 6;
701 * Refcount and block open attempts until we are setup
704 (void)cam_periph_hold(periph, PRIBIO);
705 cam_periph_unlock(periph);
707 * Load the user's default, if any.
709 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
710 periph->unit_number);
711 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
713 /* 6 and 10 are the only permissible values here. */
714 if (softc->minimum_command_size < 6)
715 softc->minimum_command_size = 6;
716 else if (softc->minimum_command_size > 6)
717 softc->minimum_command_size = 10;
720 * We need to register the statistics structure for this device,
721 * but we don't have the blocksize yet for it. So, we register
722 * the structure and indicate that we don't have the blocksize
723 * yet. Unlike other SCSI peripheral drivers, we explicitly set
724 * the device type here to be CDROM, rather than just ORing in
725 * the device type. This is because this driver can attach to either
726 * CDROM or WORM devices, and we want this peripheral driver to
727 * show up in the devstat list as a CD peripheral driver, not a
728 * WORM peripheral driver. WORM drives will also have the WORM
729 * driver attached to them.
731 softc->disk = disk_alloc();
732 softc->disk->d_devstat = devstat_new_entry("cd",
733 periph->unit_number, 0,
734 DEVSTAT_BS_UNAVAILABLE,
736 XPORT_DEVSTAT_TYPE(cpi.transport),
737 DEVSTAT_PRIORITY_CD);
738 softc->disk->d_open = cdopen;
739 softc->disk->d_close = cdclose;
740 softc->disk->d_strategy = cdstrategy;
741 softc->disk->d_gone = cddiskgonecb;
742 softc->disk->d_ioctl = cdioctl;
743 softc->disk->d_name = "cd";
744 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
745 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
746 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
747 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
748 cgd->inq_data.product, sizeof(cgd->inq_data.product),
749 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
750 softc->disk->d_unit = periph->unit_number;
751 softc->disk->d_drv1 = periph;
753 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */
754 else if (cpi.maxio > MAXPHYS)
755 softc->disk->d_maxsize = MAXPHYS; /* for safety */
757 softc->disk->d_maxsize = cpi.maxio;
758 softc->disk->d_flags = 0;
759 softc->disk->d_hba_vendor = cpi.hba_vendor;
760 softc->disk->d_hba_device = cpi.hba_device;
761 softc->disk->d_hba_subvendor = cpi.hba_subvendor;
762 softc->disk->d_hba_subdevice = cpi.hba_subdevice;
765 * Acquire a reference to the periph before we register with GEOM.
766 * We'll release this reference once GEOM calls us back (via
767 * dadiskgonecb()) telling us that our provider has been freed.
769 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
770 xpt_print(periph->path, "%s: lost periph during "
771 "registration!\n", __func__);
772 cam_periph_lock(periph);
773 return (CAM_REQ_CMP_ERR);
776 disk_create(softc->disk, DISK_VERSION);
777 cam_periph_lock(periph);
780 * Add an async callback so that we get
781 * notified if this device goes away.
783 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE,
784 cdasync, periph, periph->path);
787 * If the target lun is greater than 0, we most likely have a CD
788 * changer device. Check the quirk entries as well, though, just
789 * in case someone has a CD tower with one lun per drive or
790 * something like that. Also, if we know up front that a
791 * particular device is a changer, we can mark it as such starting
792 * with lun 0, instead of lun 1. It shouldn't be necessary to have
793 * a quirk entry to define something as a changer, however.
795 if (((cgd->ccb_h.target_lun > 0)
796 && ((softc->quirks & CD_Q_NO_CHANGER) == 0))
797 || ((softc->quirks & CD_Q_CHANGER) != 0)) {
798 struct cdchanger *nchanger;
799 struct cam_periph *nperiph;
800 struct cam_path *path;
804 /* Set the changer flag in the current device's softc */
805 softc->flags |= CD_FLAG_CHANGER;
808 * Now, look around for an existing changer device with the
809 * same path and target ID as the current device.
811 mtx_lock(&changerq_mtx);
813 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
815 nchanger = STAILQ_NEXT(nchanger, changer_links)){
816 if ((nchanger->path_id == cgd->ccb_h.path_id)
817 && (nchanger->target_id == cgd->ccb_h.target_id)) {
822 mtx_unlock(&changerq_mtx);
825 * If we found a matching entry, just add this device to
826 * the list of devices on this changer.
829 struct chdevlist *chlunhead;
831 chlunhead = &nchanger->chluns;
834 * XXX KDM look at consolidating this code with the
835 * code below in a separate function.
839 * Create a path with lun id 0, and see if we can
840 * find a matching device
842 status = xpt_create_path(&path, /*periph*/ periph,
844 cgd->ccb_h.target_id, 0);
846 if ((status == CAM_REQ_CMP)
847 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){
848 struct cd_softc *nsoftc;
850 nsoftc = (struct cd_softc *)nperiph->softc;
852 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
853 nsoftc->flags |= CD_FLAG_CHANGER;
854 nchanger->num_devices++;
855 if (camq_resize(&nchanger->devq,
856 nchanger->num_devices)!=CAM_REQ_CMP){
857 printf("cdregister: "
863 nsoftc->changer = nchanger;
864 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
866 STAILQ_INSERT_TAIL(&nchanger->chluns,
867 nsoftc,changer_links);
870 } else if (status == CAM_REQ_CMP)
873 printf("cdregister: unable to allocate path\n"
874 "cdregister: changer support may be "
878 nchanger->num_devices++;
880 softc->changer = nchanger;
881 softc->pinfo.index = CAM_UNQUEUED_INDEX;
883 if (camq_resize(&nchanger->devq,
884 nchanger->num_devices) != CAM_REQ_CMP) {
885 printf("cdregister: camq_resize "
886 "failed, changer support may "
890 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
893 * In this case, we don't already have an entry for this
894 * particular changer, so we need to create one, add it to
895 * the queue, and queue this device on the list for this
896 * changer. Before we queue this device, however, we need
897 * to search for lun id 0 on this target, and add it to the
898 * queue first, if it exists. (and if it hasn't already
899 * been marked as part of the changer.)
902 nchanger = malloc(sizeof(struct cdchanger),
903 M_DEVBUF, M_NOWAIT | M_ZERO);
904 if (nchanger == NULL) {
905 softc->flags &= ~CD_FLAG_CHANGER;
906 printf("cdregister: unable to malloc "
907 "changer structure\ncdregister: "
908 "changer support disabled\n");
911 * Yes, gotos can be gross but in this case
912 * I think it's justified..
916 if (camq_init(&nchanger->devq, 1) != 0) {
917 softc->flags &= ~CD_FLAG_CHANGER;
918 printf("cdregister: changer support "
923 nchanger->path_id = cgd->ccb_h.path_id;
924 nchanger->target_id = cgd->ccb_h.target_id;
926 /* this is superfluous, but it makes things clearer */
927 nchanger->num_devices = 0;
929 STAILQ_INIT(&nchanger->chluns);
931 callout_init_mtx(&nchanger->long_handle,
932 periph->sim->mtx, 0);
933 callout_init_mtx(&nchanger->short_handle,
934 periph->sim->mtx, 0);
936 mtx_lock(&changerq_mtx);
938 STAILQ_INSERT_TAIL(&changerq, nchanger,
940 mtx_unlock(&changerq_mtx);
943 * Create a path with lun id 0, and see if we can
944 * find a matching device
946 status = xpt_create_path(&path, /*periph*/ periph,
948 cgd->ccb_h.target_id, 0);
951 * If we were able to allocate the path, and if we
952 * find a matching device and it isn't already
953 * marked as part of a changer, then we add it to
954 * the current changer.
956 if ((status == CAM_REQ_CMP)
957 && ((nperiph = cam_periph_find(path, "cd")) != NULL)
958 && ((((struct cd_softc *)periph->softc)->flags &
959 CD_FLAG_CHANGER) == 0)) {
960 struct cd_softc *nsoftc;
962 nsoftc = (struct cd_softc *)nperiph->softc;
964 nsoftc->flags |= CD_FLAG_CHANGER;
965 nchanger->num_devices++;
966 if (camq_resize(&nchanger->devq,
967 nchanger->num_devices) != CAM_REQ_CMP) {
968 printf("cdregister: camq_resize "
969 "failed, changer support may "
972 nsoftc->changer = nchanger;
973 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
975 STAILQ_INSERT_TAIL(&nchanger->chluns,
976 nsoftc, changer_links);
978 } else if (status == CAM_REQ_CMP)
981 printf("cdregister: unable to allocate path\n"
982 "cdregister: changer support may be "
986 softc->changer = nchanger;
987 softc->pinfo.index = CAM_UNQUEUED_INDEX;
988 nchanger->num_devices++;
989 if (camq_resize(&nchanger->devq,
990 nchanger->num_devices) != CAM_REQ_CMP) {
991 printf("cdregister: camq_resize "
992 "failed, changer support may "
995 STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
1002 if ((softc->flags & CD_FLAG_CHANGER) == 0)
1003 xpt_schedule(periph, CAM_PRIORITY_DEV);
1005 cdschedule(periph, CAM_PRIORITY_DEV);
1007 return(CAM_REQ_CMP);
1011 cdopen(struct disk *dp)
1013 struct cam_periph *periph;
1014 struct cd_softc *softc;
1017 periph = (struct cam_periph *)dp->d_drv1;
1021 softc = (struct cd_softc *)periph->softc;
1023 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
1026 cam_periph_lock(periph);
1028 if (softc->flags & CD_FLAG_INVALID) {
1029 cam_periph_release_locked(periph);
1030 cam_periph_unlock(periph);
1034 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1035 cam_periph_release_locked(periph);
1036 cam_periph_unlock(periph);
1040 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1044 * Check for media, and set the appropriate flags. We don't bail
1045 * if we don't have media, but then we don't allow anything but the
1046 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
1048 cdcheckmedia(periph);
1050 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
1051 cam_periph_unhold(periph);
1053 cam_periph_unlock(periph);
1059 cdclose(struct disk *dp)
1061 struct cam_periph *periph;
1062 struct cd_softc *softc;
1064 periph = (struct cam_periph *)dp->d_drv1;
1068 softc = (struct cd_softc *)periph->softc;
1070 cam_periph_lock(periph);
1071 if (cam_periph_hold(periph, PRIBIO) != 0) {
1072 cam_periph_unlock(periph);
1073 cam_periph_release(periph);
1077 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1080 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
1081 cdprevent(periph, PR_ALLOW);
1084 * Since we're closing this CD, mark the blocksize as unavailable.
1085 * It will be marked as available when the CD is opened again.
1087 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1090 * We'll check the media and toc again at the next open().
1092 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
1094 cam_periph_unhold(periph);
1095 cam_periph_release_locked(periph);
1096 cam_periph_unlock(periph);
1102 cdshorttimeout(void *arg)
1104 struct cdchanger *changer;
1106 changer = (struct cdchanger *)arg;
1108 /* Always clear the short timeout flag, since that's what we're in */
1109 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1112 * Check to see if there is any more pending or outstanding I/O for
1113 * this device. If not, move it out of the active slot.
1115 if ((bioq_first(&changer->cur_device->bio_queue) == NULL)
1116 && (changer->cur_device->outstanding_cmds == 0)) {
1117 changer->flags |= CHANGER_MANUAL_CALL;
1118 cdrunchangerqueue(changer);
1123 * This is a wrapper for xpt_schedule. It only applies to changers.
1126 cdschedule(struct cam_periph *periph, int priority)
1128 struct cd_softc *softc;
1130 softc = (struct cd_softc *)periph->softc;
1133 * If this device isn't currently queued, and if it isn't
1134 * the active device, then we queue this device and run the
1135 * changer queue if there is no timeout scheduled to do it.
1136 * If this device is the active device, just schedule it
1137 * to run again. If this device is queued, there should be
1138 * a timeout in place already that will make sure it runs.
1140 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX)
1141 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
1143 * We don't do anything with the priority here.
1144 * This is strictly a fifo queue.
1146 softc->pinfo.priority = CAM_PRIORITY_NORMAL;
1147 softc->pinfo.generation = ++softc->changer->devq.generation;
1148 camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
1151 * Since we just put a device in the changer queue,
1152 * check and see if there is a timeout scheduled for
1153 * this changer. If so, let the timeout handle
1154 * switching this device into the active slot. If
1155 * not, manually call the timeout routine to
1158 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1159 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1160 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
1161 softc->changer->flags |= CHANGER_MANUAL_CALL;
1162 cdrunchangerqueue(softc->changer);
1164 } else if ((softc->flags & CD_FLAG_ACTIVE)
1165 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0))
1166 xpt_schedule(periph, priority);
1170 cdrunchangerqueue(void *arg)
1172 struct cd_softc *softc;
1173 struct cdchanger *changer;
1174 int called_from_timeout;
1176 changer = (struct cdchanger *)arg;
1179 * If we have NOT been called from cdstrategy() or cddone(), and
1180 * instead from a timeout routine, go ahead and clear the
1183 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
1184 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1185 called_from_timeout = 1;
1187 called_from_timeout = 0;
1189 /* Always clear the manual call flag */
1190 changer->flags &= ~CHANGER_MANUAL_CALL;
1192 /* nothing to do if the queue is empty */
1193 if (changer->devq.entries <= 0) {
1198 * If the changer queue is frozen, that means we have an active
1201 if (changer->devq.qfrozen_cnt[0] > 0) {
1204 * We always need to reset the frozen count and clear the
1207 changer->devq.qfrozen_cnt[0]--;
1208 changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
1209 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
1211 if (changer->cur_device->outstanding_cmds > 0) {
1212 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
1213 changer->cur_device->bufs_left =
1214 changer->cur_device->outstanding_cmds;
1215 if (called_from_timeout) {
1216 callout_reset(&changer->long_handle,
1217 changer_max_busy_seconds * hz,
1218 cdrunchangerqueue, changer);
1219 changer->flags |= CHANGER_TIMEOUT_SCHED;
1225 * Check to see whether the current device has any I/O left
1226 * to do. If so, requeue it at the end of the queue. If
1227 * not, there is no need to requeue it.
1229 if (bioq_first(&changer->cur_device->bio_queue) != NULL) {
1231 changer->cur_device->pinfo.generation =
1232 ++changer->devq.generation;
1233 camq_insert(&changer->devq,
1234 (cam_pinfo *)changer->cur_device);
1238 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
1240 changer->cur_device = softc;
1242 changer->devq.qfrozen_cnt[0]++;
1243 softc->flags |= CD_FLAG_ACTIVE;
1245 /* Just in case this device is waiting */
1246 wakeup(&softc->changer);
1247 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL);
1250 * Get rid of any pending timeouts, and set a flag to schedule new
1251 * ones so this device gets its full time quantum.
1253 if (changer->flags & CHANGER_TIMEOUT_SCHED) {
1254 callout_stop(&changer->long_handle);
1255 changer->flags &= ~CHANGER_TIMEOUT_SCHED;
1258 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
1259 callout_stop(&changer->short_handle);
1260 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
1264 * We need to schedule timeouts, but we only do this after the
1265 * first transaction has completed. This eliminates the changer
1268 changer->flags |= CHANGER_NEED_TIMEOUT;
1272 cdchangerschedule(struct cd_softc *softc)
1274 struct cdchanger *changer;
1276 changer = softc->changer;
1279 * If this is a changer, and this is the current device,
1280 * and this device has at least the minimum time quantum to
1281 * run, see if we can switch it out.
1283 if ((softc->flags & CD_FLAG_ACTIVE)
1284 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
1285 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
1287 * We try three things here. The first is that we
1288 * check to see whether the schedule on completion
1289 * flag is set. If it is, we decrement the number
1290 * of buffers left, and if it's zero, we reschedule.
1291 * Next, we check to see whether the pending buffer
1292 * queue is empty and whether there are no
1293 * outstanding transactions. If so, we reschedule.
1294 * Next, we see if the pending buffer queue is empty.
1295 * If it is, we set the number of buffers left to
1296 * the current active buffer count and set the
1297 * schedule on complete flag.
1299 if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
1300 if (--softc->bufs_left == 0) {
1301 softc->changer->flags |=
1302 CHANGER_MANUAL_CALL;
1303 softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
1304 cdrunchangerqueue(softc->changer);
1306 } else if ((bioq_first(&softc->bio_queue) == NULL)
1307 && (softc->outstanding_cmds == 0)) {
1308 softc->changer->flags |= CHANGER_MANUAL_CALL;
1309 cdrunchangerqueue(softc->changer);
1311 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
1312 && (softc->flags & CD_FLAG_ACTIVE)) {
1315 * Now that the first transaction to this
1316 * particular device has completed, we can go ahead
1317 * and schedule our timeouts.
1319 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
1320 callout_reset(&changer->long_handle,
1321 changer_max_busy_seconds * hz,
1322 cdrunchangerqueue, changer);
1323 changer->flags |= CHANGER_TIMEOUT_SCHED;
1325 printf("cdchangerschedule: already have a long"
1328 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
1329 callout_reset(&changer->short_handle,
1330 changer_min_busy_seconds * hz,
1331 cdshorttimeout, changer);
1332 changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
1334 printf("cdchangerschedule: already have a short "
1338 * We just scheduled timeouts, no need to schedule
1341 changer->flags &= ~CHANGER_NEED_TIMEOUT;
1347 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
1348 u_int32_t cam_flags,
1349 u_int32_t sense_flags),
1350 u_int32_t cam_flags, u_int32_t sense_flags)
1352 struct cd_softc *softc;
1353 struct cam_periph *periph;
1356 periph = xpt_path_periph(ccb->ccb_h.path);
1357 softc = (struct cd_softc *)periph->softc;
1359 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
1360 softc->disk->d_devstat);
1362 if (softc->flags & CD_FLAG_CHANGER)
1363 cdchangerschedule(softc);
1369 cdgetccb(struct cam_periph *periph, u_int32_t priority)
1371 struct cd_softc *softc;
1373 softc = (struct cd_softc *)periph->softc;
1375 if (softc->flags & CD_FLAG_CHANGER) {
1377 * This should work the first time this device is woken up,
1378 * but just in case it doesn't, we use a while loop.
1380 while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
1382 * If this changer isn't already queued, queue it up.
1384 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
1385 softc->pinfo.priority = CAM_PRIORITY_NORMAL;
1386 softc->pinfo.generation =
1387 ++softc->changer->devq.generation;
1388 camq_insert(&softc->changer->devq,
1389 (cam_pinfo *)softc);
1391 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
1392 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
1393 && ((softc->changer->flags
1394 & CHANGER_SHORT_TMOUT_SCHED)==0)) {
1395 softc->changer->flags |= CHANGER_MANUAL_CALL;
1396 cdrunchangerqueue(softc->changer);
1398 msleep(&softc->changer, periph->sim->mtx,
1399 PRIBIO, "cgticb", 0);
1402 return(cam_periph_getccb(periph, priority));
1407 * Actually translate the requested transfer into one the physical driver
1408 * can understand. The transfer is described by a buf and will include
1409 * only one physical transfer.
1412 cdstrategy(struct bio *bp)
1414 struct cam_periph *periph;
1415 struct cd_softc *softc;
1417 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1418 if (periph == NULL) {
1419 biofinish(bp, NULL, ENXIO);
1423 cam_periph_lock(periph);
1424 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1425 ("cdstrategy(%p)\n", bp));
1427 softc = (struct cd_softc *)periph->softc;
1430 * If the device has been made invalid, error out
1432 if ((softc->flags & CD_FLAG_INVALID)) {
1433 cam_periph_unlock(periph);
1434 biofinish(bp, NULL, ENXIO);
1439 * If we don't have valid media, look for it before trying to
1442 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
1445 error = cdcheckmedia(periph);
1447 cam_periph_unlock(periph);
1448 biofinish(bp, NULL, error);
1454 * Place it in the queue of disk activities for this disk
1456 bioq_disksort(&softc->bio_queue, bp);
1459 * Schedule ourselves for performing the work. We do things
1460 * differently for changers.
1462 if ((softc->flags & CD_FLAG_CHANGER) == 0)
1463 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1465 cdschedule(periph, CAM_PRIORITY_NORMAL);
1467 cam_periph_unlock(periph);
1472 cdstart(struct cam_periph *periph, union ccb *start_ccb)
1474 struct cd_softc *softc;
1476 struct ccb_scsiio *csio;
1477 struct scsi_read_capacity_data *rcap;
1479 softc = (struct cd_softc *)periph->softc;
1481 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
1483 switch (softc->state) {
1484 case CD_STATE_NORMAL:
1486 bp = bioq_first(&softc->bio_queue);
1487 if (periph->immediate_priority <= periph->pinfo.priority) {
1488 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
1490 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1492 periph->immediate_priority = CAM_PRIORITY_NONE;
1493 wakeup(&periph->ccb_list);
1494 } else if (bp == NULL) {
1495 xpt_release_ccb(start_ccb);
1497 bioq_remove(&softc->bio_queue, bp);
1499 scsi_read_write(&start_ccb->csio,
1500 /*retries*/ cd_retry_count,
1501 /* cbfcnp */ cddone,
1503 /* read */bp->bio_cmd == BIO_READ,
1505 /* minimum_cmd_size */ 10,
1506 /* lba */ bp->bio_offset /
1507 softc->params.blksize,
1508 bp->bio_bcount / softc->params.blksize,
1509 /* data_ptr */ bp->bio_data,
1510 /* dxfer_len */ bp->bio_bcount,
1511 /* sense_len */ SSD_FULL_SIZE,
1512 /* timeout */ 30000);
1513 /* Use READ CD command for audio tracks. */
1514 if (softc->params.blksize == 2352) {
1515 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD;
1516 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8;
1517 start_ccb->csio.cdb_io.cdb_bytes[10] = 0;
1518 start_ccb->csio.cdb_io.cdb_bytes[11] = 0;
1519 start_ccb->csio.cdb_len = 12;
1521 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
1524 LIST_INSERT_HEAD(&softc->pending_ccbs,
1525 &start_ccb->ccb_h, periph_links.le);
1526 softc->outstanding_cmds++;
1528 /* We expect a unit attention from this device */
1529 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
1530 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
1531 softc->flags &= ~CD_FLAG_RETRY_UA;
1534 start_ccb->ccb_h.ccb_bp = bp;
1535 bp = bioq_first(&softc->bio_queue);
1537 xpt_action(start_ccb);
1540 /* Have more work to do, so ensure we stay scheduled */
1541 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1545 case CD_STATE_PROBE:
1548 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1549 M_SCSICD, M_NOWAIT | M_ZERO);
1551 xpt_print(periph->path,
1552 "cdstart: Couldn't malloc read_capacity data\n");
1553 /* cd_free_periph??? */
1556 csio = &start_ccb->csio;
1557 scsi_read_capacity(csio,
1558 /*retries*/ cd_retry_count,
1564 start_ccb->ccb_h.ccb_bp = NULL;
1565 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
1566 xpt_action(start_ccb);
1573 cddone(struct cam_periph *periph, union ccb *done_ccb)
1575 struct cd_softc *softc;
1576 struct ccb_scsiio *csio;
1578 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
1580 softc = (struct cd_softc *)periph->softc;
1581 csio = &done_ccb->csio;
1583 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
1584 case CD_CCB_BUFFER_IO:
1589 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1592 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1595 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
1600 error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
1601 if (error == ERESTART) {
1603 * A retry was scheuled, so
1611 xpt_print(periph->path,
1612 "cddone: got error %#x back\n", error);
1613 bioq_flush(&softc->bio_queue, NULL, EIO);
1614 bp->bio_resid = bp->bio_bcount;
1615 bp->bio_error = error;
1616 bp->bio_flags |= BIO_ERROR;
1617 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1618 cam_release_devq(done_ccb->ccb_h.path,
1622 /*getcount_only*/0);
1625 bp->bio_resid = csio->resid;
1627 if (bp->bio_resid != 0) {
1629 * Short transfer ???
1630 * XXX: not sure this is correct for partial
1633 bp->bio_flags |= BIO_ERROR;
1637 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1638 softc->outstanding_cmds--;
1640 if (softc->flags & CD_FLAG_CHANGER)
1641 cdchangerschedule(softc);
1643 biofinish(bp, NULL, 0);
1648 struct scsi_read_capacity_data *rdcap;
1649 char announce_buf[120]; /*
1650 * Currently (9/30/97) the
1651 * longest possible announce
1652 * buffer is 108 bytes, for the
1653 * first error case below.
1654 * That is 39 bytes for the
1655 * basic string, 16 bytes for the
1656 * biggest sense key (hardware
1657 * error), 52 bytes for the
1658 * text of the largest sense
1659 * qualifier valid for a CDROM,
1660 * (0x72, 0x03 or 0x04,
1661 * 0x03), and one byte for the
1662 * null terminating character.
1663 * To allow for longer strings,
1664 * the announce buffer is 120
1667 struct cd_params *cdp;
1669 cdp = &softc->params;
1671 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1673 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1674 cdp->blksize = scsi_4btoul (rdcap->length);
1676 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1678 snprintf(announce_buf, sizeof(announce_buf),
1679 "cd present [%lu x %lu byte records]",
1680 cdp->disksize, (u_long)cdp->blksize);
1685 * Retry any UNIT ATTENTION type errors. They
1686 * are expected at boot.
1688 error = cderror(done_ccb, CAM_RETRY_SELTO,
1689 SF_RETRY_UA | SF_NO_PRINT);
1690 if (error == ERESTART) {
1692 * A retry was scheuled, so
1696 } else if (error != 0) {
1698 struct scsi_sense_data *sense;
1700 int sense_key, error_code;
1703 struct ccb_getdev cgd;
1705 /* Don't wedge this device's queue */
1706 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1707 cam_release_devq(done_ccb->ccb_h.path,
1711 /*getcount_only*/0);
1713 status = done_ccb->ccb_h.status;
1715 xpt_setup_ccb(&cgd.ccb_h,
1716 done_ccb->ccb_h.path,
1717 CAM_PRIORITY_NORMAL);
1718 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1719 xpt_action((union ccb *)&cgd);
1721 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1722 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1723 || ((status & CAM_AUTOSNS_VALID) == 0))
1729 sense = &csio->sense_data;
1730 scsi_extract_sense_len(sense,
1731 csio->sense_len - csio->sense_resid,
1732 &error_code, &sense_key, &asc,
1733 &ascq, /*show_errors*/ 1);
1736 * Attach to anything that claims to be a
1737 * CDROM or WORM device, as long as it
1738 * doesn't return a "Logical unit not
1739 * supported" (0x25) error.
1741 if ((have_sense) && (asc != 0x25)
1742 && (error_code == SSD_CURRENT_ERROR)) {
1743 const char *sense_key_desc;
1744 const char *asc_desc;
1746 scsi_sense_desc(sense_key, asc, ascq,
1750 snprintf(announce_buf,
1751 sizeof(announce_buf),
1752 "Attempt to query device "
1753 "size failed: %s, %s",
1756 } else if ((have_sense == 0)
1757 && ((status & CAM_STATUS_MASK) ==
1758 CAM_SCSI_STATUS_ERROR)
1759 && (csio->scsi_status ==
1760 SCSI_STATUS_BUSY)) {
1761 snprintf(announce_buf,
1762 sizeof(announce_buf),
1763 "Attempt to query device "
1764 "size failed: SCSI Status: %s",
1765 scsi_status_string(csio));
1766 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1768 * We only print out an error for
1769 * CDROM type devices. For WORM
1770 * devices, we don't print out an
1771 * error since a few WORM devices
1772 * don't support CDROM commands.
1773 * If we have sense information, go
1774 * ahead and print it out.
1775 * Otherwise, just say that we
1780 * Just print out the error, not
1781 * the full probe message, when we
1788 xpt_print(periph->path,
1789 "got CAM status %#x\n",
1790 done_ccb->ccb_h.status);
1792 xpt_print(periph->path, "fatal error, "
1793 "failed to attach to device\n");
1795 * Invalidate this peripheral.
1797 cam_periph_invalidate(periph);
1799 announce_buf[0] = '\0';
1803 * Invalidate this peripheral.
1805 cam_periph_invalidate(periph);
1806 announce_buf[0] = '\0';
1810 free(rdcap, M_SCSICD);
1811 if (announce_buf[0] != '\0') {
1812 xpt_announce_periph(periph, announce_buf);
1813 if (softc->flags & CD_FLAG_CHANGER)
1814 cdchangerschedule(softc);
1816 * Create our sysctl variables, now that we know
1817 * we have successfully attached.
1819 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1821 softc->state = CD_STATE_NORMAL;
1823 * Since our peripheral may be invalidated by an error
1824 * above or an external event, we must release our CCB
1825 * before releasing the probe lock on the peripheral.
1826 * The peripheral will only go away once the last lock
1827 * is removed, and we need it around for the CCB release
1830 xpt_release_ccb(done_ccb);
1831 cam_periph_unhold(periph);
1834 case CD_CCB_WAITING:
1836 /* Caller will release the CCB */
1837 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1838 ("trying to wakeup ccbwait\n"));
1840 wakeup(&done_ccb->ccb_h.cbfcnp);
1846 xpt_release_ccb(done_ccb);
1849 static union cd_pages *
1850 cdgetpage(struct cd_mode_params *mode_params)
1852 union cd_pages *page;
1854 if (mode_params->cdb_size == 10)
1855 page = (union cd_pages *)find_mode_page_10(
1856 (struct scsi_mode_header_10 *)mode_params->mode_buf);
1858 page = (union cd_pages *)find_mode_page_6(
1859 (struct scsi_mode_header_6 *)mode_params->mode_buf);
1865 cdgetpagesize(int page_num)
1869 for (i = 0; i < (sizeof(cd_page_size_table)/
1870 sizeof(cd_page_size_table[0])); i++) {
1871 if (cd_page_size_table[i].page == page_num)
1872 return (cd_page_size_table[i].page_size);
1879 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
1882 struct cam_periph *periph;
1883 struct cd_softc *softc;
1884 int nocopyout, error = 0;
1886 periph = (struct cam_periph *)dp->d_drv1;
1890 cam_periph_lock(periph);
1892 softc = (struct cd_softc *)periph->softc;
1894 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1895 ("cdioctl(%#lx)\n", cmd));
1897 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1898 cam_periph_unlock(periph);
1899 cam_periph_release(periph);
1904 * If we don't have media loaded, check for it. If still don't
1905 * have media loaded, we can only do a load or eject.
1907 * We only care whether media is loaded if this is a cd-specific ioctl
1908 * (thus the IOCGROUP check below). Note that this will break if
1909 * anyone adds any ioctls into the switch statement below that don't
1910 * have their ioctl group set to 'c'.
1912 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
1913 && ((cmd != CDIOCCLOSE)
1914 && (cmd != CDIOCEJECT))
1915 && (IOCGROUP(cmd) == 'c')) {
1916 error = cdcheckmedia(periph);
1918 cam_periph_unhold(periph);
1919 cam_periph_unlock(periph);
1924 * Drop the lock here so later mallocs can use WAITOK. The periph
1925 * is essentially locked still with the cam_periph_hold call above.
1927 cam_periph_unlock(periph);
1932 case CDIOCPLAYTRACKS:
1934 struct ioc_play_track *args
1935 = (struct ioc_play_track *) addr;
1936 struct cd_mode_params params;
1937 union cd_pages *page;
1939 params.alloc_len = sizeof(union cd_mode_data_6_10);
1940 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1943 cam_periph_lock(periph);
1944 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1945 ("trying to do CDIOCPLAYTRACKS\n"));
1947 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
1949 free(params.mode_buf, M_SCSICD);
1950 cam_periph_unlock(periph);
1953 page = cdgetpage(¶ms);
1955 page->audio.flags &= ~CD_PA_SOTC;
1956 page->audio.flags |= CD_PA_IMMED;
1957 error = cdsetmode(periph, ¶ms);
1958 free(params.mode_buf, M_SCSICD);
1960 cam_periph_unlock(periph);
1965 * This was originally implemented with the PLAY
1966 * AUDIO TRACK INDEX command, but that command was
1967 * deprecated after SCSI-2. Most (all?) SCSI CDROM
1968 * drives support it but ATAPI and ATAPI-derivative
1969 * drives don't seem to support it. So we keep a
1970 * cache of the table of contents and translate
1971 * track numbers to MSF format.
1973 if (softc->flags & CD_FLAG_VALID_TOC) {
1974 union msf_lba *sentry, *eentry;
1977 if (args->end_track <
1978 softc->toc.header.ending_track + 1)
1980 if (args->end_track >
1981 softc->toc.header.ending_track + 1)
1983 softc->toc.header.ending_track + 1;
1984 st = args->start_track -
1985 softc->toc.header.starting_track;
1986 et = args->end_track -
1987 softc->toc.header.starting_track;
1990 || (st > (softc->toc.header.ending_track -
1991 softc->toc.header.starting_track))) {
1993 cam_periph_unlock(periph);
1996 sentry = &softc->toc.entries[st].addr;
1997 eentry = &softc->toc.entries[et].addr;
1998 error = cdplaymsf(periph,
2007 * If we don't have a valid TOC, try the
2008 * play track index command. It is part of
2009 * the SCSI-2 spec, but was removed in the
2010 * MMC specs. ATAPI and ATAPI-derived
2011 * drives don't support it.
2013 if (softc->quirks & CD_Q_BCD_TRACKS) {
2015 bin2bcd(args->start_track);
2017 bin2bcd(args->end_track);
2019 error = cdplaytracks(periph,
2025 cam_periph_unlock(periph);
2030 struct ioc_play_msf *args
2031 = (struct ioc_play_msf *) addr;
2032 struct cd_mode_params params;
2033 union cd_pages *page;
2035 params.alloc_len = sizeof(union cd_mode_data_6_10);
2036 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2039 cam_periph_lock(periph);
2040 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2041 ("trying to do CDIOCPLAYMSF\n"));
2043 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2045 free(params.mode_buf, M_SCSICD);
2046 cam_periph_unlock(periph);
2049 page = cdgetpage(¶ms);
2051 page->audio.flags &= ~CD_PA_SOTC;
2052 page->audio.flags |= CD_PA_IMMED;
2053 error = cdsetmode(periph, ¶ms);
2054 free(params.mode_buf, M_SCSICD);
2056 cam_periph_unlock(periph);
2059 error = cdplaymsf(periph,
2066 cam_periph_unlock(periph);
2069 case CDIOCPLAYBLOCKS:
2071 struct ioc_play_blocks *args
2072 = (struct ioc_play_blocks *) addr;
2073 struct cd_mode_params params;
2074 union cd_pages *page;
2076 params.alloc_len = sizeof(union cd_mode_data_6_10);
2077 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2080 cam_periph_lock(periph);
2081 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2082 ("trying to do CDIOCPLAYBLOCKS\n"));
2085 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2087 free(params.mode_buf, M_SCSICD);
2088 cam_periph_unlock(periph);
2091 page = cdgetpage(¶ms);
2093 page->audio.flags &= ~CD_PA_SOTC;
2094 page->audio.flags |= CD_PA_IMMED;
2095 error = cdsetmode(periph, ¶ms);
2096 free(params.mode_buf, M_SCSICD);
2098 cam_periph_unlock(periph);
2101 error = cdplay(periph, args->blk, args->len);
2102 cam_periph_unlock(periph);
2105 case CDIOCREADSUBCHANNEL_SYSSPACE:
2108 case CDIOCREADSUBCHANNEL:
2110 struct ioc_read_subchannel *args
2111 = (struct ioc_read_subchannel *) addr;
2112 struct cd_sub_channel_info *data;
2113 u_int32_t len = args->data_len;
2115 data = malloc(sizeof(struct cd_sub_channel_info),
2116 M_SCSICD, M_WAITOK | M_ZERO);
2118 cam_periph_lock(periph);
2119 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2120 ("trying to do CDIOCREADSUBCHANNEL\n"));
2122 if ((len > sizeof(struct cd_sub_channel_info)) ||
2123 (len < sizeof(struct cd_sub_channel_header))) {
2125 "scsi_cd: cdioctl: "
2126 "cdioreadsubchannel: error, len=%d\n",
2129 free(data, M_SCSICD);
2130 cam_periph_unlock(periph);
2134 if (softc->quirks & CD_Q_BCD_TRACKS)
2135 args->track = bin2bcd(args->track);
2137 error = cdreadsubchannel(periph, args->address_format,
2138 args->data_format, args->track, data, len);
2141 free(data, M_SCSICD);
2142 cam_periph_unlock(periph);
2145 if (softc->quirks & CD_Q_BCD_TRACKS)
2146 data->what.track_info.track_number =
2147 bcd2bin(data->what.track_info.track_number);
2148 len = min(len, ((data->header.data_len[0] << 8) +
2149 data->header.data_len[1] +
2150 sizeof(struct cd_sub_channel_header)));
2151 cam_periph_unlock(periph);
2152 if (nocopyout == 0) {
2153 if (copyout(data, args->data, len) != 0) {
2157 bcopy(data, args->data, len);
2159 free(data, M_SCSICD);
2163 case CDIOREADTOCHEADER:
2165 struct ioc_toc_header *th;
2167 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD,
2170 cam_periph_lock(periph);
2171 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2172 ("trying to do CDIOREADTOCHEADER\n"));
2174 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2175 sizeof (*th), /*sense_flags*/SF_NO_PRINT);
2178 cam_periph_unlock(periph);
2181 if (softc->quirks & CD_Q_BCD_TRACKS) {
2182 /* we are going to have to convert the BCD
2183 * encoding on the cd to what is expected
2185 th->starting_track =
2186 bcd2bin(th->starting_track);
2187 th->ending_track = bcd2bin(th->ending_track);
2189 th->len = ntohs(th->len);
2190 bcopy(th, addr, sizeof(*th));
2192 cam_periph_unlock(periph);
2195 case CDIOREADTOCENTRYS:
2197 struct cd_tocdata *data;
2198 struct cd_toc_single *lead;
2199 struct ioc_read_toc_entry *te =
2200 (struct ioc_read_toc_entry *) addr;
2201 struct ioc_toc_header *th;
2202 u_int32_t len, readlen, idx, num;
2203 u_int32_t starting_track = te->starting_track;
2205 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
2206 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO);
2208 cam_periph_lock(periph);
2209 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2210 ("trying to do CDIOREADTOCENTRYS\n"));
2212 if (te->data_len < sizeof(struct cd_toc_entry)
2213 || (te->data_len % sizeof(struct cd_toc_entry)) != 0
2214 || (te->address_format != CD_MSF_FORMAT
2215 && te->address_format != CD_LBA_FORMAT)) {
2217 printf("scsi_cd: error in readtocentries, "
2218 "returning EINVAL\n");
2219 free(data, M_SCSICD);
2220 free(lead, M_SCSICD);
2221 cam_periph_unlock(periph);
2226 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2227 sizeof (*th), /*sense_flags*/0);
2229 free(data, M_SCSICD);
2230 free(lead, M_SCSICD);
2231 cam_periph_unlock(periph);
2235 if (softc->quirks & CD_Q_BCD_TRACKS) {
2236 /* we are going to have to convert the BCD
2237 * encoding on the cd to what is expected
2239 th->starting_track =
2240 bcd2bin(th->starting_track);
2241 th->ending_track = bcd2bin(th->ending_track);
2244 if (starting_track == 0)
2245 starting_track = th->starting_track;
2246 else if (starting_track == LEADOUT)
2247 starting_track = th->ending_track + 1;
2248 else if (starting_track < th->starting_track ||
2249 starting_track > th->ending_track + 1) {
2250 printf("scsi_cd: error in readtocentries, "
2251 "returning EINVAL\n");
2252 free(data, M_SCSICD);
2253 free(lead, M_SCSICD);
2254 cam_periph_unlock(periph);
2259 /* calculate reading length without leadout entry */
2260 readlen = (th->ending_track - starting_track + 1) *
2261 sizeof(struct cd_toc_entry);
2263 /* and with leadout entry */
2264 len = readlen + sizeof(struct cd_toc_entry);
2265 if (te->data_len < len) {
2270 if (len > sizeof(data->entries)) {
2271 printf("scsi_cd: error in readtocentries, "
2272 "returning EINVAL\n");
2274 free(data, M_SCSICD);
2275 free(lead, M_SCSICD);
2276 cam_periph_unlock(periph);
2279 num = len / sizeof(struct cd_toc_entry);
2282 error = cdreadtoc(periph, te->address_format,
2285 readlen + sizeof (*th),
2288 free(data, M_SCSICD);
2289 free(lead, M_SCSICD);
2290 cam_periph_unlock(periph);
2295 /* make leadout entry if needed */
2296 idx = starting_track + num - 1;
2297 if (softc->quirks & CD_Q_BCD_TRACKS)
2298 th->ending_track = bcd2bin(th->ending_track);
2299 if (idx == th->ending_track + 1) {
2300 error = cdreadtoc(periph, te->address_format,
2301 LEADOUT, (u_int8_t *)lead,
2305 free(data, M_SCSICD);
2306 free(lead, M_SCSICD);
2307 cam_periph_unlock(periph);
2310 data->entries[idx - starting_track] =
2313 if (softc->quirks & CD_Q_BCD_TRACKS) {
2314 for (idx = 0; idx < num - 1; idx++) {
2315 data->entries[idx].track =
2316 bcd2bin(data->entries[idx].track);
2320 cam_periph_unlock(periph);
2321 error = copyout(data->entries, te->data, len);
2322 free(data, M_SCSICD);
2323 free(lead, M_SCSICD);
2326 case CDIOREADTOCENTRY:
2328 struct cd_toc_single *data;
2329 struct ioc_read_toc_single_entry *te =
2330 (struct ioc_read_toc_single_entry *) addr;
2331 struct ioc_toc_header *th;
2334 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
2336 cam_periph_lock(periph);
2337 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2338 ("trying to do CDIOREADTOCENTRY\n"));
2340 if (te->address_format != CD_MSF_FORMAT
2341 && te->address_format != CD_LBA_FORMAT) {
2342 printf("error in readtocentry, "
2343 " returning EINVAL\n");
2344 free(data, M_SCSICD);
2346 cam_periph_unlock(periph);
2351 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
2352 sizeof (*th), /*sense_flags*/0);
2354 free(data, M_SCSICD);
2355 cam_periph_unlock(periph);
2359 if (softc->quirks & CD_Q_BCD_TRACKS) {
2360 /* we are going to have to convert the BCD
2361 * encoding on the cd to what is expected
2363 th->starting_track =
2364 bcd2bin(th->starting_track);
2365 th->ending_track = bcd2bin(th->ending_track);
2369 track = th->starting_track;
2370 else if (track == LEADOUT)
2372 else if (track < th->starting_track ||
2373 track > th->ending_track + 1) {
2374 printf("error in readtocentry, "
2375 " returning EINVAL\n");
2376 free(data, M_SCSICD);
2378 cam_periph_unlock(periph);
2382 error = cdreadtoc(periph, te->address_format, track,
2383 (u_int8_t *)data, sizeof(*data),
2386 free(data, M_SCSICD);
2387 cam_periph_unlock(periph);
2391 if (softc->quirks & CD_Q_BCD_TRACKS)
2392 data->entry.track = bcd2bin(data->entry.track);
2393 bcopy(&data->entry, &te->entry,
2394 sizeof(struct cd_toc_entry));
2395 free(data, M_SCSICD);
2396 cam_periph_unlock(periph);
2401 struct ioc_patch *arg = (struct ioc_patch *)addr;
2402 struct cd_mode_params params;
2403 union cd_pages *page;
2405 params.alloc_len = sizeof(union cd_mode_data_6_10);
2406 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2409 cam_periph_lock(periph);
2410 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2411 ("trying to do CDIOCSETPATCH\n"));
2413 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2415 free(params.mode_buf, M_SCSICD);
2416 cam_periph_unlock(periph);
2419 page = cdgetpage(¶ms);
2421 page->audio.port[LEFT_PORT].channels =
2423 page->audio.port[RIGHT_PORT].channels =
2425 page->audio.port[2].channels = arg->patch[2];
2426 page->audio.port[3].channels = arg->patch[3];
2427 error = cdsetmode(periph, ¶ms);
2428 free(params.mode_buf, M_SCSICD);
2429 cam_periph_unlock(periph);
2434 struct ioc_vol *arg = (struct ioc_vol *) addr;
2435 struct cd_mode_params params;
2436 union cd_pages *page;
2438 params.alloc_len = sizeof(union cd_mode_data_6_10);
2439 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2442 cam_periph_lock(periph);
2443 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2444 ("trying to do CDIOCGETVOL\n"));
2446 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2448 free(params.mode_buf, M_SCSICD);
2449 cam_periph_unlock(periph);
2452 page = cdgetpage(¶ms);
2454 arg->vol[LEFT_PORT] =
2455 page->audio.port[LEFT_PORT].volume;
2456 arg->vol[RIGHT_PORT] =
2457 page->audio.port[RIGHT_PORT].volume;
2458 arg->vol[2] = page->audio.port[2].volume;
2459 arg->vol[3] = page->audio.port[3].volume;
2460 free(params.mode_buf, M_SCSICD);
2461 cam_periph_unlock(periph);
2466 struct ioc_vol *arg = (struct ioc_vol *) addr;
2467 struct cd_mode_params params;
2468 union cd_pages *page;
2470 params.alloc_len = sizeof(union cd_mode_data_6_10);
2471 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2474 cam_periph_lock(periph);
2475 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2476 ("trying to do CDIOCSETVOL\n"));
2478 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2480 free(params.mode_buf, M_SCSICD);
2481 cam_periph_unlock(periph);
2484 page = cdgetpage(¶ms);
2486 page->audio.port[LEFT_PORT].channels = CHANNEL_0;
2487 page->audio.port[LEFT_PORT].volume =
2488 arg->vol[LEFT_PORT];
2489 page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
2490 page->audio.port[RIGHT_PORT].volume =
2491 arg->vol[RIGHT_PORT];
2492 page->audio.port[2].volume = arg->vol[2];
2493 page->audio.port[3].volume = arg->vol[3];
2494 error = cdsetmode(periph, ¶ms);
2495 cam_periph_unlock(periph);
2496 free(params.mode_buf, M_SCSICD);
2501 struct cd_mode_params params;
2502 union cd_pages *page;
2504 params.alloc_len = sizeof(union cd_mode_data_6_10);
2505 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2508 cam_periph_lock(periph);
2509 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2510 ("trying to do CDIOCSETMONO\n"));
2512 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2514 free(params.mode_buf, M_SCSICD);
2515 cam_periph_unlock(periph);
2518 page = cdgetpage(¶ms);
2520 page->audio.port[LEFT_PORT].channels =
2521 LEFT_CHANNEL | RIGHT_CHANNEL;
2522 page->audio.port[RIGHT_PORT].channels =
2523 LEFT_CHANNEL | RIGHT_CHANNEL;
2524 page->audio.port[2].channels = 0;
2525 page->audio.port[3].channels = 0;
2526 error = cdsetmode(periph, ¶ms);
2527 cam_periph_unlock(periph);
2528 free(params.mode_buf, M_SCSICD);
2531 case CDIOCSETSTEREO:
2533 struct cd_mode_params params;
2534 union cd_pages *page;
2536 params.alloc_len = sizeof(union cd_mode_data_6_10);
2537 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2540 cam_periph_lock(periph);
2541 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2542 ("trying to do CDIOCSETSTEREO\n"));
2544 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2546 free(params.mode_buf, M_SCSICD);
2547 cam_periph_unlock(periph);
2550 page = cdgetpage(¶ms);
2552 page->audio.port[LEFT_PORT].channels =
2554 page->audio.port[RIGHT_PORT].channels =
2556 page->audio.port[2].channels = 0;
2557 page->audio.port[3].channels = 0;
2558 error = cdsetmode(periph, ¶ms);
2559 free(params.mode_buf, M_SCSICD);
2560 cam_periph_unlock(periph);
2565 struct cd_mode_params params;
2566 union cd_pages *page;
2568 params.alloc_len = sizeof(union cd_mode_data_6_10);
2569 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2572 cam_periph_lock(periph);
2573 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2574 ("trying to do CDIOCSETMUTE\n"));
2576 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2578 free(params.mode_buf, M_SCSICD);
2579 cam_periph_unlock(periph);
2582 page = cdgetpage(¶ms);
2584 page->audio.port[LEFT_PORT].channels = 0;
2585 page->audio.port[RIGHT_PORT].channels = 0;
2586 page->audio.port[2].channels = 0;
2587 page->audio.port[3].channels = 0;
2588 error = cdsetmode(periph, ¶ms);
2589 free(params.mode_buf, M_SCSICD);
2590 cam_periph_unlock(periph);
2595 struct cd_mode_params params;
2596 union cd_pages *page;
2598 params.alloc_len = sizeof(union cd_mode_data_6_10);
2599 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2602 cam_periph_lock(periph);
2603 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2604 ("trying to do CDIOCSETLEFT\n"));
2606 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2608 free(params.mode_buf, M_SCSICD);
2609 cam_periph_unlock(periph);
2612 page = cdgetpage(¶ms);
2614 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2615 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2616 page->audio.port[2].channels = 0;
2617 page->audio.port[3].channels = 0;
2618 error = cdsetmode(periph, ¶ms);
2619 free(params.mode_buf, M_SCSICD);
2620 cam_periph_unlock(periph);
2625 struct cd_mode_params params;
2626 union cd_pages *page;
2628 params.alloc_len = sizeof(union cd_mode_data_6_10);
2629 params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2632 cam_periph_lock(periph);
2633 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2634 ("trying to do CDIOCSETRIGHT\n"));
2636 error = cdgetmode(periph, ¶ms, AUDIO_PAGE);
2638 free(params.mode_buf, M_SCSICD);
2639 cam_periph_unlock(periph);
2642 page = cdgetpage(¶ms);
2644 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2645 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2646 page->audio.port[2].channels = 0;
2647 page->audio.port[3].channels = 0;
2648 error = cdsetmode(periph, ¶ms);
2649 free(params.mode_buf, M_SCSICD);
2650 cam_periph_unlock(periph);
2654 cam_periph_lock(periph);
2655 error = cdpause(periph, 1);
2656 cam_periph_unlock(periph);
2659 cam_periph_lock(periph);
2660 error = cdpause(periph, 0);
2661 cam_periph_unlock(periph);
2664 cam_periph_lock(periph);
2665 error = cdstartunit(periph, 0);
2666 cam_periph_unlock(periph);
2669 cam_periph_lock(periph);
2670 error = cdstartunit(periph, 1);
2671 cam_periph_unlock(periph);
2674 cam_periph_lock(periph);
2675 error = cdstopunit(periph, 0);
2676 cam_periph_unlock(periph);
2679 cam_periph_lock(periph);
2680 error = cdstopunit(periph, 1);
2681 cam_periph_unlock(periph);
2684 cam_periph_lock(periph);
2685 cdprevent(periph, PR_ALLOW);
2686 cam_periph_unlock(periph);
2689 cam_periph_lock(periph);
2690 cdprevent(periph, PR_PREVENT);
2691 cam_periph_unlock(periph);
2694 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2698 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2702 /* return (cd_reset(periph)); */
2705 case CDRIOCREADSPEED:
2706 cam_periph_lock(periph);
2707 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2708 cam_periph_unlock(periph);
2710 case CDRIOCWRITESPEED:
2711 cam_periph_lock(periph);
2712 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2713 cam_periph_unlock(periph);
2715 case CDRIOCGETBLOCKSIZE:
2716 *(int *)addr = softc->params.blksize;
2718 case CDRIOCSETBLOCKSIZE:
2719 if (*(int *)addr <= 0) {
2723 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr;
2726 case DVDIOCREPORTKEY: {
2727 struct dvd_authinfo *authinfo;
2729 authinfo = (struct dvd_authinfo *)addr;
2731 if (cmd == DVDIOCREPORTKEY)
2732 error = cdreportkey(periph, authinfo);
2734 error = cdsendkey(periph, authinfo);
2737 case DVDIOCREADSTRUCTURE: {
2738 struct dvd_struct *dvdstruct;
2740 dvdstruct = (struct dvd_struct *)addr;
2742 error = cdreaddvdstructure(periph, dvdstruct);
2747 cam_periph_lock(periph);
2748 error = cam_periph_ioctl(periph, cmd, addr, cderror);
2749 cam_periph_unlock(periph);
2753 cam_periph_lock(periph);
2754 cam_periph_unhold(periph);
2756 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2757 if (error && bootverbose) {
2758 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
2760 cam_periph_unlock(periph);
2766 cdprevent(struct cam_periph *periph, int action)
2769 struct cd_softc *softc;
2772 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2774 softc = (struct cd_softc *)periph->softc;
2776 if (((action == PR_ALLOW)
2777 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2778 || ((action == PR_PREVENT)
2779 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2783 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
2785 scsi_prevent(&ccb->csio,
2786 /*retries*/ cd_retry_count,
2791 /* timeout */60000);
2793 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2794 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2796 xpt_release_ccb(ccb);
2799 if (action == PR_ALLOW)
2800 softc->flags &= ~CD_FLAG_DISC_LOCKED;
2802 softc->flags |= CD_FLAG_DISC_LOCKED;
2807 * XXX: the disk media and sector size is only really able to change
2808 * XXX: while the device is closed.
2811 cdcheckmedia(struct cam_periph *periph)
2813 struct cd_softc *softc;
2814 struct ioc_toc_header *toch;
2815 struct cd_toc_single leadout;
2816 u_int32_t size, toclen;
2817 int error, num_entries, cdindex;
2819 softc = (struct cd_softc *)periph->softc;
2821 cdprevent(periph, PR_PREVENT);
2822 softc->disk->d_sectorsize = 2048;
2823 softc->disk->d_mediasize = 0;
2826 * Get the disc size and block size. If we can't get it, we don't
2827 * have media, most likely.
2829 if ((error = cdsize(periph, &size)) != 0) {
2830 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2831 cdprevent(periph, PR_ALLOW);
2834 softc->flags |= CD_FLAG_VALID_MEDIA;
2835 softc->disk->d_sectorsize = softc->params.blksize;
2836 softc->disk->d_mediasize =
2837 (off_t)softc->params.blksize * softc->params.disksize;
2841 * Now we check the table of contents. This (currently) is only
2842 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do
2843 * things like present a separate entry in /dev for each track,
2844 * like that acd(4) driver does.
2846 bzero(&softc->toc, sizeof(softc->toc));
2847 toch = &softc->toc.header;
2849 * We will get errors here for media that doesn't have a table of
2850 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2851 * command is presented for a DDCD/CD-R/RW media, where the first TOC
2852 * has not been recorded (no complete session) and the Format codes
2853 * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2854 * with an INVALID FIELD IN CDB. Devices that are not capable of
2855 * reading an incomplete session on DDC/CD-R/RW media shall report
2856 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2858 * So this isn't fatal if we can't read the table of contents, it
2859 * just means that the user won't be able to issue the play tracks
2860 * ioctl, and likely lots of other stuff won't work either. They
2861 * need to burn the CD before we can do a whole lot with it. So
2862 * we don't print anything here if we get an error back.
2864 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2867 * Errors in reading the table of contents aren't fatal, we just
2868 * won't have a valid table of contents cached.
2872 bzero(&softc->toc, sizeof(softc->toc));
2876 if (softc->quirks & CD_Q_BCD_TRACKS) {
2877 toch->starting_track = bcd2bin(toch->starting_track);
2878 toch->ending_track = bcd2bin(toch->ending_track);
2881 /* Number of TOC entries, plus leadout */
2882 num_entries = (toch->ending_track - toch->starting_track) + 2;
2884 if (num_entries <= 0)
2887 toclen = num_entries * sizeof(struct cd_toc_entry);
2889 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2890 (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2894 bzero(&softc->toc, sizeof(softc->toc));
2898 if (softc->quirks & CD_Q_BCD_TRACKS) {
2899 toch->starting_track = bcd2bin(toch->starting_track);
2900 toch->ending_track = bcd2bin(toch->ending_track);
2903 * XXX KDM is this necessary? Probably only if the drive doesn't
2904 * return leadout information with the table of contents.
2906 cdindex = toch->starting_track + num_entries -1;
2907 if (cdindex == toch->ending_track + 1) {
2909 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2910 (u_int8_t *)&leadout, sizeof(leadout),
2916 softc->toc.entries[cdindex - toch->starting_track] =
2919 if (softc->quirks & CD_Q_BCD_TRACKS) {
2920 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) {
2921 softc->toc.entries[cdindex].track =
2922 bcd2bin(softc->toc.entries[cdindex].track);
2926 softc->flags |= CD_FLAG_VALID_TOC;
2928 /* If the first track is audio, correct sector size. */
2929 if ((softc->toc.entries[0].control & 4) == 0) {
2930 softc->disk->d_sectorsize = softc->params.blksize = 2352;
2931 softc->disk->d_mediasize =
2932 (off_t)softc->params.blksize * softc->params.disksize;
2938 * We unconditionally (re)set the blocksize each time the
2939 * CD device is opened. This is because the CD can change,
2940 * and therefore the blocksize might change.
2941 * XXX problems here if some slice or partition is still
2942 * open with the old size?
2944 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2945 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2946 softc->disk->d_devstat->block_size = softc->params.blksize;
2952 cdsize(struct cam_periph *periph, u_int32_t *size)
2954 struct cd_softc *softc;
2956 struct scsi_read_capacity_data *rcap_buf;
2959 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
2961 softc = (struct cd_softc *)periph->softc;
2963 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
2965 /* XXX Should be M_WAITOK */
2966 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
2967 M_SCSICD, M_NOWAIT | M_ZERO);
2968 if (rcap_buf == NULL)
2971 scsi_read_capacity(&ccb->csio,
2972 /*retries*/ cd_retry_count,
2977 /* timeout */20000);
2979 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2980 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2982 xpt_release_ccb(ccb);
2984 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
2985 softc->params.blksize = scsi_4btoul(rcap_buf->length);
2986 /* Make sure we got at least some block size. */
2987 if (error == 0 && softc->params.blksize == 0)
2990 * SCSI-3 mandates that the reported blocksize shall be 2048.
2991 * Older drives sometimes report funny values, trim it down to
2992 * 2048, or other parts of the kernel will get confused.
2994 * XXX we leave drives alone that might report 512 bytes, as
2995 * well as drives reporting more weird sizes like perhaps 4K.
2997 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
2998 softc->params.blksize = 2048;
3000 free(rcap_buf, M_SCSICD);
3001 *size = softc->params.disksize;
3008 cd6byteworkaround(union ccb *ccb)
3011 struct cam_periph *periph;
3012 struct cd_softc *softc;
3013 struct cd_mode_params *params;
3016 periph = xpt_path_periph(ccb->ccb_h.path);
3017 softc = (struct cd_softc *)periph->softc;
3019 cdb = ccb->csio.cdb_io.cdb_bytes;
3021 if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
3022 || ((cdb[0] != MODE_SENSE_6)
3023 && (cdb[0] != MODE_SELECT_6)))
3027 * Because there is no convenient place to stash the overall
3028 * cd_mode_params structure pointer, we have to grab it like this.
3029 * This means that ALL MODE_SENSE and MODE_SELECT requests in the
3030 * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
3032 * XXX It would be nice if, at some point, we could increase the
3033 * number of available peripheral private pointers. Both pointers
3034 * are currently used in most every peripheral driver.
3038 STAILQ_FOREACH(params, &softc->mode_queue, links) {
3039 if (params->mode_buf == ccb->csio.data_ptr) {
3046 * This shouldn't happen. All mode sense and mode select
3047 * operations in the cd(4) driver MUST go through cdgetmode() and
3051 xpt_print(periph->path,
3052 "mode buffer not found in mode queue!\n");
3056 params->cdb_size = 10;
3057 softc->minimum_command_size = 10;
3058 xpt_print(ccb->ccb_h.path,
3059 "%s(6) failed, increasing minimum CDB size to 10 bytes\n",
3060 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
3062 if (cdb[0] == MODE_SENSE_6) {
3063 struct scsi_mode_sense_10 ms10;
3064 struct scsi_mode_sense_6 *ms6;
3067 ms6 = (struct scsi_mode_sense_6 *)cdb;
3069 bzero(&ms10, sizeof(ms10));
3070 ms10.opcode = MODE_SENSE_10;
3071 ms10.byte2 = ms6->byte2;
3072 ms10.page = ms6->page;
3075 * 10 byte mode header, block descriptor,
3076 * sizeof(union cd_pages)
3078 len = sizeof(struct cd_mode_data_10);
3079 ccb->csio.dxfer_len = len;
3081 scsi_ulto2b(len, ms10.length);
3082 ms10.control = ms6->control;
3083 bcopy(&ms10, cdb, 10);
3084 ccb->csio.cdb_len = 10;
3086 struct scsi_mode_select_10 ms10;
3087 struct scsi_mode_select_6 *ms6;
3088 struct scsi_mode_header_6 *header6;
3089 struct scsi_mode_header_10 *header10;
3090 struct scsi_mode_page_header *page_header;
3091 int blk_desc_len, page_num, page_size, len;
3093 ms6 = (struct scsi_mode_select_6 *)cdb;
3095 bzero(&ms10, sizeof(ms10));
3096 ms10.opcode = MODE_SELECT_10;
3097 ms10.byte2 = ms6->byte2;
3099 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
3100 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
3102 page_header = find_mode_page_6(header6);
3103 page_num = page_header->page_code;
3105 blk_desc_len = header6->blk_desc_len;
3107 page_size = cdgetpagesize(page_num);
3109 if (page_size != (page_header->page_length +
3110 sizeof(*page_header)))
3111 page_size = page_header->page_length +
3112 sizeof(*page_header);
3114 len = sizeof(*header10) + blk_desc_len + page_size;
3116 len = min(params->alloc_len, len);
3119 * Since the 6 byte parameter header is shorter than the 10
3120 * byte parameter header, we need to copy the actual mode
3121 * page data, and the block descriptor, if any, so things wind
3122 * up in the right place. The regions will overlap, but
3123 * bcopy() does the right thing.
3125 bcopy(params->mode_buf + sizeof(*header6),
3126 params->mode_buf + sizeof(*header10),
3127 len - sizeof(*header10));
3129 /* Make sure these fields are set correctly. */
3130 scsi_ulto2b(0, header10->data_length);
3131 header10->medium_type = 0;
3132 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
3134 ccb->csio.dxfer_len = len;
3136 scsi_ulto2b(len, ms10.length);
3137 ms10.control = ms6->control;
3138 bcopy(&ms10, cdb, 10);
3139 ccb->csio.cdb_len = 10;
3142 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3143 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3146 cam_release_devq(ccb->ccb_h.path,
3150 /*getcount_only*/0);
3157 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3159 struct cd_softc *softc;
3160 struct cam_periph *periph;
3163 periph = xpt_path_periph(ccb->ccb_h.path);
3164 softc = (struct cd_softc *)periph->softc;
3169 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
3170 * CDB comes back with this particular error, try transforming it
3171 * into the 10 byte version.
3173 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3174 error = cd6byteworkaround(ccb);
3175 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
3176 CAM_SCSI_STATUS_ERROR)
3177 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
3178 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
3179 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
3180 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
3181 int sense_key, error_code, asc, ascq;
3183 scsi_extract_sense_len(&ccb->csio.sense_data,
3184 ccb->csio.sense_len - ccb->csio.sense_resid, &error_code,
3185 &sense_key, &asc, &ascq, /*show_errors*/ 1);
3186 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3187 error = cd6byteworkaround(ccb);
3190 if (error == ERESTART)
3195 * Until we have a better way of doing pack validation,
3196 * don't treat UAs as errors.
3198 sense_flags |= SF_RETRY_UA;
3199 return (cam_periph_error(ccb, cam_flags, sense_flags,
3200 &softc->saved_ccb));
3204 * Read table of contents
3207 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
3208 u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
3210 struct scsi_read_toc *scsi_cmd;
3212 struct ccb_scsiio *csio;
3219 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3224 /* retries */ cd_retry_count,
3225 /* cbfcnp */ cddone,
3226 /* flags */ CAM_DIR_IN,
3227 /* tag_action */ MSG_SIMPLE_Q_TAG,
3228 /* data_ptr */ data,
3229 /* dxfer_len */ len,
3230 /* sense_len */ SSD_FULL_SIZE,
3231 sizeof(struct scsi_read_toc),
3232 /* timeout */ 50000);
3234 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
3235 bzero (scsi_cmd, sizeof(*scsi_cmd));
3237 if (mode == CD_MSF_FORMAT)
3238 scsi_cmd->byte2 |= CD_MSF;
3239 scsi_cmd->from_track = start;
3240 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
3241 scsi_cmd->data_len[0] = (ntoc) >> 8;
3242 scsi_cmd->data_len[1] = (ntoc) & 0xff;
3244 scsi_cmd->op_code = READ_TOC;
3246 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3247 /*sense_flags*/SF_RETRY_UA | sense_flags);
3249 xpt_release_ccb(ccb);
3255 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
3256 u_int32_t format, int track,
3257 struct cd_sub_channel_info *data, u_int32_t len)
3259 struct scsi_read_subchannel *scsi_cmd;
3260 struct ccb_scsiio *csio;
3266 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3271 /* retries */ cd_retry_count,
3272 /* cbfcnp */ cddone,
3273 /* flags */ CAM_DIR_IN,
3274 /* tag_action */ MSG_SIMPLE_Q_TAG,
3275 /* data_ptr */ (u_int8_t *)data,
3276 /* dxfer_len */ len,
3277 /* sense_len */ SSD_FULL_SIZE,
3278 sizeof(struct scsi_read_subchannel),
3279 /* timeout */ 50000);
3281 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
3282 bzero (scsi_cmd, sizeof(*scsi_cmd));
3284 scsi_cmd->op_code = READ_SUBCHANNEL;
3285 if (mode == CD_MSF_FORMAT)
3286 scsi_cmd->byte1 |= CD_MSF;
3287 scsi_cmd->byte2 = SRS_SUBQ;
3288 scsi_cmd->subchan_format = format;
3289 scsi_cmd->track = track;
3290 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
3291 scsi_cmd->control = 0;
3293 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3294 /*sense_flags*/SF_RETRY_UA);
3296 xpt_release_ccb(ccb);
3303 * All MODE_SENSE requests in the cd(4) driver MUST go through this
3304 * routine. See comments in cd6byteworkaround() for details.
3307 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
3310 struct ccb_scsiio *csio;
3311 struct cd_softc *softc;
3316 softc = (struct cd_softc *)periph->softc;
3318 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3322 data->cdb_size = softc->minimum_command_size;
3323 if (data->cdb_size < 10)
3324 param_len = sizeof(struct cd_mode_data);
3326 param_len = sizeof(struct cd_mode_data_10);
3328 /* Don't say we've got more room than we actually allocated */
3329 param_len = min(param_len, data->alloc_len);
3331 scsi_mode_sense_len(csio,
3332 /* retries */ cd_retry_count,
3333 /* cbfcnp */ cddone,
3334 /* tag_action */ MSG_SIMPLE_Q_TAG,
3336 /* page_code */ SMS_PAGE_CTRL_CURRENT,
3338 /* param_buf */ data->mode_buf,
3339 /* param_len */ param_len,
3340 /* minimum_cmd_size */ softc->minimum_command_size,
3341 /* sense_len */ SSD_FULL_SIZE,
3342 /* timeout */ 50000);
3345 * It would be nice not to have to do this, but there's no
3346 * available pointer in the CCB that would allow us to stuff the
3347 * mode params structure in there and retrieve it in
3348 * cd6byteworkaround(), so we can set the cdb size. The cdb size
3349 * lets the caller know what CDB size we ended up using, so they
3350 * can find the actual mode page offset.
3352 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3354 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3355 /*sense_flags*/SF_RETRY_UA);
3357 xpt_release_ccb(ccb);
3359 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3362 * This is a bit of belt-and-suspenders checking, but if we run
3363 * into a situation where the target sends back multiple block
3364 * descriptors, we might not have enough space in the buffer to
3365 * see the whole mode page. Better to return an error than
3366 * potentially access memory beyond our malloced region.
3371 if (data->cdb_size == 10) {
3372 struct scsi_mode_header_10 *hdr10;
3374 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
3375 data_len = scsi_2btoul(hdr10->data_length);
3376 data_len += sizeof(hdr10->data_length);
3378 struct scsi_mode_header_6 *hdr6;
3380 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
3381 data_len = hdr6->data_length;
3382 data_len += sizeof(hdr6->data_length);
3386 * Complain if there is more mode data available than we
3387 * allocated space for. This could potentially happen if
3388 * we miscalculated the page length for some reason, if the
3389 * drive returns multiple block descriptors, or if it sets
3390 * the data length incorrectly.
3392 if (data_len > data->alloc_len) {
3393 xpt_print(periph->path, "allocated modepage %d length "
3394 "%d < returned length %d\n", page, data->alloc_len,
3403 * All MODE_SELECT requests in the cd(4) driver MUST go through this
3404 * routine. See comments in cd6byteworkaround() for details.
3407 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
3409 struct ccb_scsiio *csio;
3410 struct cd_softc *softc;
3412 int cdb_size, param_len;
3415 softc = (struct cd_softc *)periph->softc;
3417 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3424 * If the data is formatted for the 10 byte version of the mode
3425 * select parameter list, we need to use the 10 byte CDB.
3426 * Otherwise, we use whatever the stored minimum command size.
3428 if (data->cdb_size == 10)
3429 cdb_size = data->cdb_size;
3431 cdb_size = softc->minimum_command_size;
3433 if (cdb_size >= 10) {
3434 struct scsi_mode_header_10 *mode_header;
3437 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
3439 data_len = scsi_2btoul(mode_header->data_length);
3441 scsi_ulto2b(0, mode_header->data_length);
3443 * SONY drives do not allow a mode select with a medium_type
3444 * value that has just been returned by a mode sense; use a
3445 * medium_type of 0 (Default) instead.
3447 mode_header->medium_type = 0;
3450 * Pass back whatever the drive passed to us, plus the size
3451 * of the data length field.
3453 param_len = data_len + sizeof(mode_header->data_length);
3456 struct scsi_mode_header_6 *mode_header;
3458 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
3460 param_len = mode_header->data_length + 1;
3462 mode_header->data_length = 0;
3464 * SONY drives do not allow a mode select with a medium_type
3465 * value that has just been returned by a mode sense; use a
3466 * medium_type of 0 (Default) instead.
3468 mode_header->medium_type = 0;
3471 /* Don't say we've got more room than we actually allocated */
3472 param_len = min(param_len, data->alloc_len);
3474 scsi_mode_select_len(csio,
3475 /* retries */ cd_retry_count,
3476 /* cbfcnp */ cddone,
3477 /* tag_action */ MSG_SIMPLE_Q_TAG,
3478 /* scsi_page_fmt */ 1,
3480 /* param_buf */ data->mode_buf,
3481 /* param_len */ param_len,
3482 /* minimum_cmd_size */ cdb_size,
3483 /* sense_len */ SSD_FULL_SIZE,
3484 /* timeout */ 50000);
3486 /* See comments in cdgetmode() and cd6byteworkaround(). */
3487 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
3489 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3490 /*sense_flags*/SF_RETRY_UA);
3492 xpt_release_ccb(ccb);
3494 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
3501 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
3503 struct ccb_scsiio *csio;
3509 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3512 * Use the smallest possible command to perform the operation.
3514 if ((len & 0xffff0000) == 0) {
3516 * We can fit in a 10 byte cdb.
3518 struct scsi_play_10 *scsi_cmd;
3520 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
3521 bzero (scsi_cmd, sizeof(*scsi_cmd));
3522 scsi_cmd->op_code = PLAY_10;
3523 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3524 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
3525 cdb_len = sizeof(*scsi_cmd);
3527 struct scsi_play_12 *scsi_cmd;
3529 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
3530 bzero (scsi_cmd, sizeof(*scsi_cmd));
3531 scsi_cmd->op_code = PLAY_12;
3532 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
3533 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
3534 cdb_len = sizeof(*scsi_cmd);
3537 /*retries*/ cd_retry_count,
3539 /*flags*/CAM_DIR_NONE,
3543 /*sense_len*/SSD_FULL_SIZE,
3545 /*timeout*/50 * 1000);
3547 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3548 /*sense_flags*/SF_RETRY_UA);
3550 xpt_release_ccb(ccb);
3556 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
3557 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
3559 struct scsi_play_msf *scsi_cmd;
3560 struct ccb_scsiio *csio;
3566 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3571 /* retries */ cd_retry_count,
3572 /* cbfcnp */ cddone,
3573 /* flags */ CAM_DIR_NONE,
3574 /* tag_action */ MSG_SIMPLE_Q_TAG,
3575 /* data_ptr */ NULL,
3577 /* sense_len */ SSD_FULL_SIZE,
3578 sizeof(struct scsi_play_msf),
3579 /* timeout */ 50000);
3581 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
3582 bzero (scsi_cmd, sizeof(*scsi_cmd));
3584 scsi_cmd->op_code = PLAY_MSF;
3585 scsi_cmd->start_m = startm;
3586 scsi_cmd->start_s = starts;
3587 scsi_cmd->start_f = startf;
3588 scsi_cmd->end_m = endm;
3589 scsi_cmd->end_s = ends;
3590 scsi_cmd->end_f = endf;
3592 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3593 /*sense_flags*/SF_RETRY_UA);
3595 xpt_release_ccb(ccb);
3602 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3603 u_int32_t etrack, u_int32_t eindex)
3605 struct scsi_play_track *scsi_cmd;
3606 struct ccb_scsiio *csio;
3612 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3617 /* retries */ cd_retry_count,
3618 /* cbfcnp */ cddone,
3619 /* flags */ CAM_DIR_NONE,
3620 /* tag_action */ MSG_SIMPLE_Q_TAG,
3621 /* data_ptr */ NULL,
3623 /* sense_len */ SSD_FULL_SIZE,
3624 sizeof(struct scsi_play_track),
3625 /* timeout */ 50000);
3627 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3628 bzero (scsi_cmd, sizeof(*scsi_cmd));
3630 scsi_cmd->op_code = PLAY_TRACK;
3631 scsi_cmd->start_track = strack;
3632 scsi_cmd->start_index = sindex;
3633 scsi_cmd->end_track = etrack;
3634 scsi_cmd->end_index = eindex;
3636 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3637 /*sense_flags*/SF_RETRY_UA);
3639 xpt_release_ccb(ccb);
3645 cdpause(struct cam_periph *periph, u_int32_t go)
3647 struct scsi_pause *scsi_cmd;
3648 struct ccb_scsiio *csio;
3654 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3659 /* retries */ cd_retry_count,
3660 /* cbfcnp */ cddone,
3661 /* flags */ CAM_DIR_NONE,
3662 /* tag_action */ MSG_SIMPLE_Q_TAG,
3663 /* data_ptr */ NULL,
3665 /* sense_len */ SSD_FULL_SIZE,
3666 sizeof(struct scsi_pause),
3667 /* timeout */ 50000);
3669 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
3670 bzero (scsi_cmd, sizeof(*scsi_cmd));
3672 scsi_cmd->op_code = PAUSE;
3673 scsi_cmd->resume = go;
3675 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3676 /*sense_flags*/SF_RETRY_UA);
3678 xpt_release_ccb(ccb);
3684 cdstartunit(struct cam_periph *periph, int load)
3691 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3693 scsi_start_stop(&ccb->csio,
3694 /* retries */ cd_retry_count,
3695 /* cbfcnp */ cddone,
3696 /* tag_action */ MSG_SIMPLE_Q_TAG,
3698 /* load_eject */ load,
3699 /* immediate */ FALSE,
3700 /* sense_len */ SSD_FULL_SIZE,
3701 /* timeout */ 50000);
3703 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3704 /*sense_flags*/SF_RETRY_UA);
3706 xpt_release_ccb(ccb);
3712 cdstopunit(struct cam_periph *periph, u_int32_t eject)
3719 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3721 scsi_start_stop(&ccb->csio,
3722 /* retries */ cd_retry_count,
3723 /* cbfcnp */ cddone,
3724 /* tag_action */ MSG_SIMPLE_Q_TAG,
3726 /* load_eject */ eject,
3727 /* immediate */ FALSE,
3728 /* sense_len */ SSD_FULL_SIZE,
3729 /* timeout */ 50000);
3731 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3732 /*sense_flags*/SF_RETRY_UA);
3734 xpt_release_ccb(ccb);
3740 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
3742 struct scsi_set_speed *scsi_cmd;
3743 struct ccb_scsiio *csio;
3748 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3751 /* Preserve old behavior: units in multiples of CDROM speed */
3758 /* retries */ cd_retry_count,
3759 /* cbfcnp */ cddone,
3760 /* flags */ CAM_DIR_NONE,
3761 /* tag_action */ MSG_SIMPLE_Q_TAG,
3762 /* data_ptr */ NULL,
3764 /* sense_len */ SSD_FULL_SIZE,
3765 sizeof(struct scsi_set_speed),
3766 /* timeout */ 50000);
3768 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
3769 bzero(scsi_cmd, sizeof(*scsi_cmd));
3771 scsi_cmd->opcode = SET_CD_SPEED;
3772 scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
3773 scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
3775 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3776 /*sense_flags*/SF_RETRY_UA);
3778 xpt_release_ccb(ccb);
3784 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3796 switch (authinfo->format) {
3797 case DVD_REPORT_AGID:
3798 length = sizeof(struct scsi_report_key_data_agid);
3800 case DVD_REPORT_CHALLENGE:
3801 length = sizeof(struct scsi_report_key_data_challenge);
3803 case DVD_REPORT_KEY1:
3804 length = sizeof(struct scsi_report_key_data_key1_key2);
3806 case DVD_REPORT_TITLE_KEY:
3807 length = sizeof(struct scsi_report_key_data_title);
3808 /* The lba field is only set for the title key */
3809 lba = authinfo->lba;
3811 case DVD_REPORT_ASF:
3812 length = sizeof(struct scsi_report_key_data_asf);
3814 case DVD_REPORT_RPC:
3815 length = sizeof(struct scsi_report_key_data_rpc);
3817 case DVD_INVALIDATE_AGID:
3825 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3829 cam_periph_lock(periph);
3830 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
3832 scsi_report_key(&ccb->csio,
3833 /* retries */ cd_retry_count,
3834 /* cbfcnp */ cddone,
3835 /* tag_action */ MSG_SIMPLE_Q_TAG,
3837 /* agid */ authinfo->agid,
3838 /* key_format */ authinfo->format,
3839 /* data_ptr */ databuf,
3840 /* dxfer_len */ length,
3841 /* sense_len */ SSD_FULL_SIZE,
3842 /* timeout */ 50000);
3844 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3845 /*sense_flags*/SF_RETRY_UA);
3850 if (ccb->csio.resid != 0) {
3851 xpt_print(periph->path, "warning, residual for report key "
3852 "command is %d\n", ccb->csio.resid);
3855 switch(authinfo->format) {
3856 case DVD_REPORT_AGID: {
3857 struct scsi_report_key_data_agid *agid_data;
3859 agid_data = (struct scsi_report_key_data_agid *)databuf;
3861 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
3865 case DVD_REPORT_CHALLENGE: {
3866 struct scsi_report_key_data_challenge *chal_data;
3868 chal_data = (struct scsi_report_key_data_challenge *)databuf;
3870 bcopy(chal_data->challenge_key, authinfo->keychal,
3871 min(sizeof(chal_data->challenge_key),
3872 sizeof(authinfo->keychal)));
3875 case DVD_REPORT_KEY1: {
3876 struct scsi_report_key_data_key1_key2 *key1_data;
3878 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
3880 bcopy(key1_data->key1, authinfo->keychal,
3881 min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
3884 case DVD_REPORT_TITLE_KEY: {
3885 struct scsi_report_key_data_title *title_data;
3887 title_data = (struct scsi_report_key_data_title *)databuf;
3889 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
3890 RKD_TITLE_CPM_SHIFT;
3891 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
3892 RKD_TITLE_CP_SEC_SHIFT;
3893 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
3894 RKD_TITLE_CMGS_SHIFT;
3895 bcopy(title_data->title_key, authinfo->keychal,
3896 min(sizeof(title_data->title_key),
3897 sizeof(authinfo->keychal)));
3900 case DVD_REPORT_ASF: {
3901 struct scsi_report_key_data_asf *asf_data;
3903 asf_data = (struct scsi_report_key_data_asf *)databuf;
3905 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
3908 case DVD_REPORT_RPC: {
3909 struct scsi_report_key_data_rpc *rpc_data;
3911 rpc_data = (struct scsi_report_key_data_rpc *)databuf;
3913 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
3915 authinfo->vend_rsts =
3916 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
3917 RKD_RPC_VENDOR_RESET_SHIFT;
3918 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
3919 authinfo->region = rpc_data->region_mask;
3920 authinfo->rpc_scheme = rpc_data->rpc_scheme1;
3923 case DVD_INVALIDATE_AGID:
3926 /* This should be impossible, since we checked above */
3929 break; /* NOTREACHED */
3933 xpt_release_ccb(ccb);
3934 cam_periph_unlock(periph);
3936 if (databuf != NULL)
3937 free(databuf, M_DEVBUF);
3943 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3953 switch(authinfo->format) {
3954 case DVD_SEND_CHALLENGE: {
3955 struct scsi_report_key_data_challenge *challenge_data;
3957 length = sizeof(*challenge_data);
3959 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3961 databuf = (u_int8_t *)challenge_data;
3963 scsi_ulto2b(length - sizeof(challenge_data->data_len),
3964 challenge_data->data_len);
3966 bcopy(authinfo->keychal, challenge_data->challenge_key,
3967 min(sizeof(authinfo->keychal),
3968 sizeof(challenge_data->challenge_key)));
3971 case DVD_SEND_KEY2: {
3972 struct scsi_report_key_data_key1_key2 *key2_data;
3974 length = sizeof(*key2_data);
3976 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3978 databuf = (u_int8_t *)key2_data;
3980 scsi_ulto2b(length - sizeof(key2_data->data_len),
3981 key2_data->data_len);
3983 bcopy(authinfo->keychal, key2_data->key1,
3984 min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
3988 case DVD_SEND_RPC: {
3989 struct scsi_send_key_data_rpc *rpc_data;
3991 length = sizeof(*rpc_data);
3993 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3995 databuf = (u_int8_t *)rpc_data;
3997 scsi_ulto2b(length - sizeof(rpc_data->data_len),
3998 rpc_data->data_len);
4000 rpc_data->region_code = authinfo->region;
4007 cam_periph_lock(periph);
4008 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
4010 scsi_send_key(&ccb->csio,
4011 /* retries */ cd_retry_count,
4012 /* cbfcnp */ cddone,
4013 /* tag_action */ MSG_SIMPLE_Q_TAG,
4014 /* agid */ authinfo->agid,
4015 /* key_format */ authinfo->format,
4016 /* data_ptr */ databuf,
4017 /* dxfer_len */ length,
4018 /* sense_len */ SSD_FULL_SIZE,
4019 /* timeout */ 50000);
4021 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
4022 /*sense_flags*/SF_RETRY_UA);
4024 xpt_release_ccb(ccb);
4025 cam_periph_unlock(periph);
4027 if (databuf != NULL)
4028 free(databuf, M_DEVBUF);
4034 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
4044 /* The address is reserved for many of the formats */
4047 switch(dvdstruct->format) {
4048 case DVD_STRUCT_PHYSICAL:
4049 length = sizeof(struct scsi_read_dvd_struct_data_physical);
4051 case DVD_STRUCT_COPYRIGHT:
4052 length = sizeof(struct scsi_read_dvd_struct_data_copyright);
4054 case DVD_STRUCT_DISCKEY:
4055 length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
4057 case DVD_STRUCT_BCA:
4058 length = sizeof(struct scsi_read_dvd_struct_data_bca);
4060 case DVD_STRUCT_MANUFACT:
4061 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
4063 case DVD_STRUCT_CMI:
4065 case DVD_STRUCT_PROTDISCID:
4066 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
4068 case DVD_STRUCT_DISCKEYBLOCK:
4069 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
4071 case DVD_STRUCT_DDS:
4072 length = sizeof(struct scsi_read_dvd_struct_data_dds);
4074 case DVD_STRUCT_MEDIUM_STAT:
4075 length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
4077 case DVD_STRUCT_SPARE_AREA:
4078 length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
4080 case DVD_STRUCT_RMD_LAST:
4082 case DVD_STRUCT_RMD_RMA:
4084 case DVD_STRUCT_PRERECORDED:
4085 length = sizeof(struct scsi_read_dvd_struct_data_leadin);
4087 case DVD_STRUCT_UNIQUEID:
4088 length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
4090 case DVD_STRUCT_DCB:
4092 case DVD_STRUCT_LIST:
4094 * This is the maximum allocation length for the READ DVD
4095 * STRUCTURE command. There's nothing in the MMC3 spec
4096 * that indicates a limit in the amount of data that can
4097 * be returned from this call, other than the limits
4098 * imposed by the 2-byte length variables.
4107 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
4111 cam_periph_lock(periph);
4112 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL);
4114 scsi_read_dvd_structure(&ccb->csio,
4115 /* retries */ cd_retry_count,
4116 /* cbfcnp */ cddone,
4117 /* tag_action */ MSG_SIMPLE_Q_TAG,
4119 /* layer_number */ dvdstruct->layer_num,
4120 /* key_format */ dvdstruct->format,
4121 /* agid */ dvdstruct->agid,
4122 /* data_ptr */ databuf,
4123 /* dxfer_len */ length,
4124 /* sense_len */ SSD_FULL_SIZE,
4125 /* timeout */ 50000);
4127 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
4128 /*sense_flags*/SF_RETRY_UA);
4133 switch(dvdstruct->format) {
4134 case DVD_STRUCT_PHYSICAL: {
4135 struct scsi_read_dvd_struct_data_layer_desc *inlayer;
4136 struct dvd_layer *outlayer;
4137 struct scsi_read_dvd_struct_data_physical *phys_data;
4140 (struct scsi_read_dvd_struct_data_physical *)databuf;
4141 inlayer = &phys_data->layer_desc;
4142 outlayer = (struct dvd_layer *)&dvdstruct->data;
4144 dvdstruct->length = sizeof(*inlayer);
4146 outlayer->book_type = (inlayer->book_type_version &
4147 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
4148 outlayer->book_version = (inlayer->book_type_version &
4149 RDSD_BOOK_VERSION_MASK);
4150 outlayer->disc_size = (inlayer->disc_size_max_rate &
4151 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
4152 outlayer->max_rate = (inlayer->disc_size_max_rate &
4153 RDSD_MAX_RATE_MASK);
4154 outlayer->nlayers = (inlayer->layer_info &
4155 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
4156 outlayer->track_path = (inlayer->layer_info &
4157 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
4158 outlayer->layer_type = (inlayer->layer_info &
4159 RDSD_LAYER_TYPE_MASK);
4160 outlayer->linear_density = (inlayer->density &
4161 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
4162 outlayer->track_density = (inlayer->density &
4163 RDSD_TRACK_DENSITY_MASK);
4164 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
4166 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
4167 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
4168 outlayer->end_sector_l0 =
4169 scsi_3btoul(inlayer->end_sector_layer0);
4172 case DVD_STRUCT_COPYRIGHT: {
4173 struct scsi_read_dvd_struct_data_copyright *copy_data;
4175 copy_data = (struct scsi_read_dvd_struct_data_copyright *)
4178 dvdstruct->cpst = copy_data->cps_type;
4179 dvdstruct->rmi = copy_data->region_info;
4180 dvdstruct->length = 0;
4186 * Tell the user what the overall length is, no matter
4187 * what we can actually fit in the data buffer.
4189 dvdstruct->length = length - ccb->csio.resid -
4190 sizeof(struct scsi_read_dvd_struct_data_header);
4193 * But only actually copy out the smaller of what we read
4194 * in or what the structure can take.
4196 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
4198 min(sizeof(dvdstruct->data), dvdstruct->length));
4203 xpt_release_ccb(ccb);
4204 cam_periph_unlock(periph);
4206 if (databuf != NULL)
4207 free(databuf, M_DEVBUF);
4213 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
4214 void (*cbfcnp)(struct cam_periph *, union ccb *),
4215 u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
4216 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
4217 u_int8_t sense_len, u_int32_t timeout)
4219 struct scsi_report_key *scsi_cmd;
4221 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
4222 bzero(scsi_cmd, sizeof(*scsi_cmd));
4223 scsi_cmd->opcode = REPORT_KEY;
4224 scsi_ulto4b(lba, scsi_cmd->lba);
4225 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4226 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4227 (key_format & RK_KF_KEYFORMAT_MASK);
4232 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
4234 /*data_ptr*/ data_ptr,
4235 /*dxfer_len*/ dxfer_len,
4242 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
4243 void (*cbfcnp)(struct cam_periph *, union ccb *),
4244 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
4245 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4248 struct scsi_send_key *scsi_cmd;
4250 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
4251 bzero(scsi_cmd, sizeof(*scsi_cmd));
4252 scsi_cmd->opcode = SEND_KEY;
4254 scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
4255 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
4256 (key_format & RK_KF_KEYFORMAT_MASK);
4261 /*flags*/ CAM_DIR_OUT,
4263 /*data_ptr*/ data_ptr,
4264 /*dxfer_len*/ dxfer_len,
4272 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
4273 void (*cbfcnp)(struct cam_periph *, union ccb *),
4274 u_int8_t tag_action, u_int32_t address,
4275 u_int8_t layer_number, u_int8_t format, u_int8_t agid,
4276 u_int8_t *data_ptr, u_int32_t dxfer_len,
4277 u_int8_t sense_len, u_int32_t timeout)
4279 struct scsi_read_dvd_structure *scsi_cmd;
4281 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
4282 bzero(scsi_cmd, sizeof(*scsi_cmd));
4283 scsi_cmd->opcode = READ_DVD_STRUCTURE;
4285 scsi_ulto4b(address, scsi_cmd->address);
4286 scsi_cmd->layer_number = layer_number;
4287 scsi_cmd->format = format;
4288 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
4289 /* The AGID is the top two bits of this byte */
4290 scsi_cmd->agid = agid << 6;
4295 /*flags*/ CAM_DIR_IN,
4297 /*data_ptr*/ data_ptr,
4298 /*dxfer_len*/ dxfer_len,