/* $OpenBSD: cd.c,v 1.110 2006/07/29 02:40:45 krw Exp $ */ /* $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */ /* * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Charles M. Hannum. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Originally written by Julian Elischer (julian@tfs.com) * for TRW Financial Systems for use under the MACH(2.5) operating system. * * TRW Financial Systems, in accordance with their agreement with Carnegie * Mellon University, makes this software available to CMU to distribute * or use in any manner that they see fit as long as this message is kept with * the software. For this reason TFS also grants any other persons or * organisations permission to use or modify this software. * * TFS supplies this software to be publicly redistributed * on the understanding that TFS is not responsible for the correct * functioning of this software in any circumstances. * * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* rw_big and start_stop come from there */ #include #include /* for BBSIZE and SBSIZE */ #define CDOUTSTANDING 4 #define CDUNIT(z) DISKUNIT(z) #define CDMINOR(unit, part) DISKMINOR(unit, part) #define CDPART(z) DISKPART(z) #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) #define MAXTRACK 99 #define CD_BLOCK_OFFSET 150 #define CD_FRAMES 75 #define CD_SECS 60 struct cd_toc { struct ioc_toc_header header; struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ /* leadout */ }; #define CDLABELDEV(dev) (MAKECDDEV(major(dev), CDUNIT(dev), RAW_PART)) int cdmatch(struct device *, void *, void *); void cdattach(struct device *, struct device *, void *); int cdactivate(struct device *, enum devact); int cddetach(struct device *, int); void cdstart(void *); void cdminphys(struct buf *); void cdgetdisklabel(dev_t, struct cd_softc *, struct disklabel *, struct cpu_disklabel *, int); void cddone(struct scsi_xfer *); u_long cd_size(struct cd_softc *, int); void lba2msf(u_long, u_char *, u_char *, u_char *); u_long msf2lba(u_char, u_char, u_char); int cd_setchan(struct cd_softc *, int, int, int, int, int); int cd_getvol(struct cd_softc *cd, struct ioc_vol *, int); int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); int cd_load_unload(struct cd_softc *, int, int); int cd_set_pa_immed(struct cd_softc *, int); int cd_play(struct cd_softc *, int, int); int cd_play_tracks(struct cd_softc *, int, int, int, int); int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); int cd_pause(struct cd_softc *, int); int cd_reset(struct cd_softc *); int cd_read_subchannel(struct cd_softc *, int, int, int, struct cd_sub_channel_info *, int ); int cd_read_toc(struct cd_softc *, int, int, void *, int, int); int cd_get_parms(struct cd_softc *, int); int cd_load_toc(struct cd_softc *, struct cd_toc *, int); int dvd_auth(struct cd_softc *, union dvd_authinfo *); int dvd_read_physical(struct cd_softc *, union dvd_struct *); int dvd_read_copyright(struct cd_softc *, union dvd_struct *); int dvd_read_disckey(struct cd_softc *, union dvd_struct *); int dvd_read_bca(struct cd_softc *, union dvd_struct *); int dvd_read_manufact(struct cd_softc *, union dvd_struct *); int dvd_read_struct(struct cd_softc *, union dvd_struct *); void cd_powerhook(int why, void *arg); struct cfattach cd_ca = { sizeof(struct cd_softc), cdmatch, cdattach, cddetach, cdactivate }; struct cfdriver cd_cd = { NULL, "cd", DV_DISK }; struct dkdriver cddkdriver = { cdstrategy }; struct scsi_device cd_switch = { NULL, /* use default error handler */ cdstart, /* we have a queue, which is started by this */ NULL, /* we do not have an async handler */ cddone, /* deal with stats at interrupt time */ }; const struct scsi_inquiry_pattern cd_patterns[] = { {T_CDROM, T_REMOV, "", "", ""}, {T_WORM, T_REMOV, "", "", ""}, {T_DIRECT, T_REMOV, "NEC CD-ROM DRIVE:260", "", ""}, #if 0 {T_CDROM, T_REMOV, /* more luns */ "PIONEER ", "CD-ROM DRM-600 ", ""}, #endif }; #define cdlock(softc) disk_lock(&(softc)->sc_dk) #define cdunlock(softc) disk_unlock(&(softc)->sc_dk) #define cdlookup(unit) (struct cd_softc *)device_lookup(&cd_cd, (unit)) int cdmatch(parent, match, aux) struct device *parent; void *match, *aux; { struct scsibus_attach_args *sa = aux; int priority; (void)scsi_inqmatch(sa->sa_inqbuf, cd_patterns, sizeof(cd_patterns)/sizeof(cd_patterns[0]), sizeof(cd_patterns[0]), &priority); return (priority); } /* * The routine called by the low level scsi routine when it discovers * A device suitable for this driver */ void cdattach(parent, self, aux) struct device *parent, *self; void *aux; { struct cd_softc *cd = (void *)self; struct scsibus_attach_args *sa = aux; struct scsi_link *sc_link = sa->sa_sc_link; SC_DEBUG(sc_link, SDEV_DB2, ("cdattach:\n")); /* * Store information needed to contact our base driver */ cd->sc_link = sc_link; sc_link->device = &cd_switch; sc_link->device_softc = cd; if (sc_link->openings > CDOUTSTANDING) sc_link->openings = CDOUTSTANDING; /* * Initialize and attach the disk structure. */ cd->sc_dk.dk_driver = &cddkdriver; cd->sc_dk.dk_name = cd->sc_dev.dv_xname; disk_attach(&cd->sc_dk); /* * Note if this device is ancient. This is used in cdminphys(). */ if (!(sc_link->flags & SDEV_ATAPI) && SCSISPC(sa->sa_inqbuf->version) == 0) cd->flags |= CDF_ANCIENT; printf("\n"); if ((cd->sc_cdpwrhook = powerhook_establish(cd_powerhook, cd)) == NULL) printf("%s: WARNING: unable to establish power hook\n", cd->sc_dev.dv_xname); } int cdactivate(self, act) struct device *self; enum devact act; { int rv = 0; switch (act) { case DVACT_ACTIVATE: break; case DVACT_DEACTIVATE: /* * Nothing to do; we key off the device's DVF_ACTIVATE. */ break; } return (rv); } int cddetach(self, flags) struct device *self; int flags; { struct cd_softc *sc = (struct cd_softc *)self; struct buf *dp, *bp; int s, bmaj, cmaj, mn; /* Remove unprocessed buffers from queue */ s = splbio(); for (dp = &sc->buf_queue; (bp = dp->b_actf) != NULL; ) { dp->b_actf = bp->b_actf; bp->b_error = ENXIO; bp->b_flags |= B_ERROR; biodone(bp); } splx(s); /* locate the major number */ mn = CDMINOR(self->dv_unit, 0); for (bmaj = 0; bmaj < nblkdev; bmaj++) if (bdevsw[bmaj].d_open == cdopen) vdevgone(bmaj, mn, mn + MAXPARTITIONS - 1, VBLK); for (cmaj = 0; cmaj < nchrdev; cmaj++) if (cdevsw[cmaj].d_open == cdopen) vdevgone(cmaj, mn, mn + MAXPARTITIONS - 1, VCHR); /* Get rid of the power hook. */ if (sc->sc_cdpwrhook != NULL) powerhook_disestablish(sc->sc_cdpwrhook); /* Detach disk. */ disk_detach(&sc->sc_dk); return (0); } /* * Open the device. Make sure the partition info is as up-to-date as can be. */ int cdopen(dev, flag, fmt, p) dev_t dev; int flag, fmt; struct proc *p; { struct scsi_link *sc_link; struct cd_softc *cd; int error = 0, part, rawopen, unit; unit = CDUNIT(dev); part = CDPART(dev); rawopen = (part == RAW_PART) && (fmt == S_IFCHR); cd = cdlookup(unit); if (cd == NULL) return (ENXIO); sc_link = cd->sc_link; SC_DEBUG(sc_link, SDEV_DB1, ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, cd_cd.cd_ndevs, part)); if ((error = cdlock(cd)) != 0) { device_unref(&cd->sc_dev); return (error); } if (cd->sc_dk.dk_openmask != 0) { /* * If any partition is open, but the disk has been invalidated, * disallow further opens. */ if ((sc_link->flags & SDEV_MEDIA_LOADED) == 0) { if (rawopen) goto out; error = EIO; goto bad; } } else { /* * Check that it is still responding and ok. Drive can be in * progress of loading media so use increased retries number * and don't ignore NOT_READY. */ error = scsi_test_unit_ready(sc_link, TEST_READY_RETRIES_CD, (rawopen ? SCSI_SILENT : 0) | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE); /* Start the cd spinning if necessary. */ if (error == EIO) error = scsi_start(sc_link, SSS_START, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | SCSI_SILENT); if (error) { if (rawopen) { error = 0; goto out; } else goto bad; } /* Lock the cd in. */ error = scsi_prevent(sc_link, PR_PREVENT, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE); if (error) goto bad; /* Load the physical device parameters. */ sc_link->flags |= SDEV_MEDIA_LOADED; if (cd_get_parms(cd, 0) != 0) { sc_link->flags &= ~SDEV_MEDIA_LOADED; error = ENXIO; goto bad; } SC_DEBUG(sc_link, SDEV_DB3, ("Params loaded\n")); /* Fabricate a disk label. */ cdgetdisklabel(dev, cd, cd->sc_dk.dk_label, cd->sc_dk.dk_cpulabel, 0); SC_DEBUG(sc_link, SDEV_DB3, ("Disklabel fabricated\n")); } /* Check that the partition exists. */ if (part != RAW_PART && (part >= cd->sc_dk.dk_label->d_npartitions || cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { error = ENXIO; goto bad; } out: /* Insure only one open at a time. */ switch (fmt) { case S_IFCHR: cd->sc_dk.dk_copenmask |= (1 << part); break; case S_IFBLK: cd->sc_dk.dk_bopenmask |= (1 << part); break; } cd->sc_dk.dk_openmask = cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; sc_link->flags |= SDEV_OPEN; SC_DEBUG(sc_link, SDEV_DB3, ("open complete\n")); /* It's OK to fall through because dk_openmask is now non-zero. */ bad: if (cd->sc_dk.dk_openmask == 0) { scsi_prevent(sc_link, PR_ALLOW, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE); sc_link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); } cdunlock(cd); device_unref(&cd->sc_dev); return (error); } /* * Close the device. Only called if we are the last occurrence of an open * device. */ int cdclose(dev, flag, fmt, p) dev_t dev; int flag, fmt; struct proc *p; { struct cd_softc *cd; int part = CDPART(dev); int error; cd = cdlookup(CDUNIT(dev)); if (cd == NULL) return ENXIO; if ((error = cdlock(cd)) != 0) { device_unref(&cd->sc_dev); return error; } switch (fmt) { case S_IFCHR: cd->sc_dk.dk_copenmask &= ~(1 << part); break; case S_IFBLK: cd->sc_dk.dk_bopenmask &= ~(1 << part); break; } cd->sc_dk.dk_openmask = cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; if (cd->sc_dk.dk_openmask == 0) { /* XXXX Must wait for I/O to complete! */ scsi_prevent(cd->sc_link, PR_ALLOW, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY); cd->sc_link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); if (cd->sc_link->flags & SDEV_EJECTING) { scsi_start(cd->sc_link, SSS_STOP|SSS_LOEJ, 0); cd->sc_link->flags &= ~SDEV_EJECTING; } } cdunlock(cd); device_unref(&cd->sc_dev); return 0; } /* * Actually translate the requested transfer into one the physical driver can * understand. The transfer is described by a buf and will include only one * physical transfer. */ void cdstrategy(bp) struct buf *bp; { struct cd_softc *cd; int s; if ((cd = cdlookup(CDUNIT(bp->b_dev))) == NULL) { bp->b_error = ENXIO; goto bad; } SC_DEBUG(cd->sc_link, SDEV_DB2, ("cdstrategy: %ld bytes @ blk %d\n", bp->b_bcount, bp->b_blkno)); /* * If the device has been made invalid, error out * maybe the media changed, or no media loaded */ if ((cd->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { bp->b_error = EIO; goto bad; } /* * The transfer must be a whole number of blocks. */ if ((bp->b_bcount % cd->sc_dk.dk_label->d_secsize) != 0) { bp->b_error = EINVAL; goto bad; } /* * If it's a null transfer, return immediately */ if (bp->b_bcount == 0) goto done; /* * Do bounds checking, adjust transfer. if error, process. * If end of partition, just return. */ if (CDPART(bp->b_dev) != RAW_PART && bounds_check_with_label(bp, cd->sc_dk.dk_label, cd->sc_dk.dk_cpulabel, (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) goto done; s = splbio(); /* * Place it in the queue of disk activities for this disk */ disksort(&cd->buf_queue, bp); /* * Tell the device to get going on the transfer if it's * not doing anything, otherwise just wait for completion */ cdstart(cd); device_unref(&cd->sc_dev); splx(s); return; bad: bp->b_flags |= B_ERROR; done: /* * Correctly set the buf to indicate a completed xfer */ bp->b_resid = bp->b_bcount; s = splbio(); biodone(bp); splx(s); if (cd != NULL) device_unref(&cd->sc_dev); } /* * cdstart looks to see if there is a buf waiting for the device * and that the device is not already busy. If both are true, * It deques the buf and creates a scsi command to perform the * transfer in the buf. The transfer request will call scsi_done * on completion, which will in turn call this routine again * so that the next queued transfer is performed. * The bufs are queued by the strategy routine (cdstrategy) * * This routine is also called after other non-queued requests * have been made of the scsi driver, to ensure that the queue * continues to be drained. * * must be called at the correct (highish) spl level * cdstart() is called at splbio from cdstrategy and scsi_done */ void cdstart(v) void *v; { struct cd_softc *cd = v; struct scsi_link *sc_link = cd->sc_link; struct buf *bp = 0; struct buf *dp; struct scsi_rw_big cmd_big; struct scsi_rw cmd_small; struct scsi_generic *cmdp; int blkno, nblks, cmdlen; struct partition *p; splassert(IPL_BIO); SC_DEBUG(sc_link, SDEV_DB2, ("cdstart\n")); /* * Check if the device has room for another command */ while (sc_link->openings > 0) { /* * there is excess capacity, but a special waits * It'll need the adapter as soon as we clear out of the * way and let it run (user level wait). */ if (sc_link->flags & SDEV_WAITING) { sc_link->flags &= ~SDEV_WAITING; wakeup((caddr_t)sc_link); return; } /* * See if there is a buf with work for us to do.. */ dp = &cd->buf_queue; if ((bp = dp->b_actf) == NULL) /* yes, an assign */ return; dp->b_actf = bp->b_actf; /* * If the deivce has become invalid, abort all the * reads and writes until all files have been closed and * re-opened */ if ((sc_link->flags & SDEV_MEDIA_LOADED) == 0) { bp->b_error = EIO; bp->b_flags |= B_ERROR; bp->b_resid = bp->b_bcount; biodone(bp); continue; } /* * We have a buf, now we should make a command * * First, translate the block to absolute and put it in terms * of the logical blocksize of the device. */ blkno = bp->b_blkno / (cd->sc_dk.dk_label->d_secsize / DEV_BSIZE); if (CDPART(bp->b_dev) != RAW_PART) { p = &cd->sc_dk.dk_label->d_partitions[CDPART(bp->b_dev)]; blkno += p->p_offset; } nblks = howmany(bp->b_bcount, cd->sc_dk.dk_label->d_secsize); /* * Fill out the scsi command. If the transfer will * fit in a "small" cdb, use it. */ if (!(sc_link->flags & SDEV_ATAPI) && !(sc_link->quirks & SDEV_ONLYBIG) && ((blkno & 0x1fffff) == blkno) && ((nblks & 0xff) == nblks)) { /* * We can fit in a small cdb. */ bzero(&cmd_small, sizeof(cmd_small)); cmd_small.opcode = (bp->b_flags & B_READ) ? READ_COMMAND : WRITE_COMMAND; _lto3b(blkno, cmd_small.addr); cmd_small.length = nblks & 0xff; cmdlen = sizeof(cmd_small); cmdp = (struct scsi_generic *)&cmd_small; } else { /* * Need a large cdb. */ bzero(&cmd_big, sizeof(cmd_big)); cmd_big.opcode = (bp->b_flags & B_READ) ? READ_BIG : WRITE_BIG; _lto4b(blkno, cmd_big.addr); _lto2b(nblks, cmd_big.length); cmdlen = sizeof(cmd_big); cmdp = (struct scsi_generic *)&cmd_big; } /* Instrumentation. */ disk_busy(&cd->sc_dk); /* * Call the routine that chats with the adapter. * Note: we cannot sleep as we may be an interrupt */ if (scsi_scsi_cmd(sc_link, cmdp, cmdlen, (u_char *) bp->b_data, bp->b_bcount, CDRETRIES, 30000, bp, SCSI_NOSLEEP | ((bp->b_flags & B_READ) ? SCSI_DATA_IN : SCSI_DATA_OUT))) { disk_unbusy(&cd->sc_dk, 0, 0); printf("%s: not queued", cd->sc_dev.dv_xname); } } } void cddone(xs) struct scsi_xfer *xs; { struct cd_softc *cd = xs->sc_link->device_softc; if (xs->bp != NULL) disk_unbusy(&cd->sc_dk, xs->bp->b_bcount - xs->bp->b_resid, (xs->bp->b_flags & B_READ)); } void cdminphys(bp) struct buf *bp; { struct cd_softc *cd; long max; cd = cdlookup(CDUNIT(bp->b_dev)); if (cd == NULL) return; /* * If the device is ancient, we want to make sure that * the transfer fits into a 6-byte cdb. * * XXX Note that the SCSI-I spec says that 256-block transfers * are allowed in a 6-byte read/write, and are specified * by setting the "length" to 0. However, we're conservative * here, allowing only 255-block transfers in case an * ancient device gets confused by length == 0. A length of 0 * in a 10-byte read/write actually means 0 blocks. */ if (cd->flags & CDF_ANCIENT) { max = cd->sc_dk.dk_label->d_secsize * 0xff; if (bp->b_bcount > max) bp->b_bcount = max; } (*cd->sc_link->adapter->scsi_minphys)(bp); device_unref(&cd->sc_dev); } int cdread(dev, uio, ioflag) dev_t dev; struct uio *uio; int ioflag; { return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); } int cdwrite(dev, uio, ioflag) dev_t dev; struct uio *uio; int ioflag; { return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); } /* * conversion between minute-seconde-frame and logical block address * addresses format */ void lba2msf (lba, m, s, f) u_long lba; u_char *m, *s, *f; { u_long tmp; tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ tmp &= 0xffffff; /* negative lbas use only 24 bits */ *m = tmp / (CD_SECS * CD_FRAMES); tmp %= (CD_SECS * CD_FRAMES); *s = tmp / CD_FRAMES; *f = tmp % CD_FRAMES; } u_long msf2lba (m, s, f) u_char m, s, f; { return ((((m * CD_SECS) + s) * CD_FRAMES + f) - CD_BLOCK_OFFSET); } /* * Perform special action on behalf of the user. * Knows about the internals of this device */ int cdioctl(dev, cmd, addr, flag, p) dev_t dev; u_long cmd; caddr_t addr; int flag; struct proc *p; { struct cd_softc *cd; int part = CDPART(dev); int error = 0; cd = cdlookup(CDUNIT(dev)); if (cd == NULL) return ENXIO; SC_DEBUG(cd->sc_link, SDEV_DB2, ("cdioctl 0x%lx\n", cmd)); /* * If the device is not valid.. abandon ship */ if ((cd->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { switch (cmd) { case DIOCWLABEL: case DIOCLOCK: case DIOCEJECT: case SCIOCIDENTIFY: case SCIOCCOMMAND: case SCIOCDEBUG: case CDIOCLOADUNLOAD: case SCIOCRESET: case CDIOCGETVOL: case CDIOCSETVOL: case CDIOCSETMONO: case CDIOCSETSTEREO: case CDIOCSETMUTE: case CDIOCSETLEFT: case CDIOCSETRIGHT: case CDIOCCLOSE: case CDIOCEJECT: case CDIOCALLOW: case CDIOCPREVENT: case CDIOCSETDEBUG: case CDIOCCLRDEBUG: case CDIOCRESET: case DVD_AUTH: case DVD_READ_STRUCT: case MTIOCTOP: if (part == RAW_PART) break; /* FALLTHROUGH */ default: if ((cd->sc_link->flags & SDEV_OPEN) == 0) error = ENODEV; else error = EIO; goto exit; } } switch (cmd) { case DIOCRLDINFO: cdgetdisklabel(dev, cd, cd->sc_dk.dk_label, cd->sc_dk.dk_cpulabel, 0); break; case DIOCGDINFO: case DIOCGPDINFO: *(struct disklabel *)addr = *(cd->sc_dk.dk_label); break; case DIOCGPART: ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; ((struct partinfo *)addr)->part = &cd->sc_dk.dk_label->d_partitions[CDPART(dev)]; break; case DIOCWDINFO: case DIOCSDINFO: if ((flag & FWRITE) == 0) { error = EBADF; break; } if ((error = cdlock(cd)) != 0) break; cd->flags |= CDF_LABELLING; error = setdisklabel(cd->sc_dk.dk_label, (struct disklabel *)addr, /*cd->sc_dk.dk_openmask : */0, cd->sc_dk.dk_cpulabel); if (error == 0) { } cd->flags &= ~CDF_LABELLING; cdunlock(cd); break; case DIOCWLABEL: error = EBADF; break; case CDIOCPLAYTRACKS: { struct ioc_play_track *args = (struct ioc_play_track *)addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) break; error = cd_play_tracks(cd, args->start_track, args->start_index, args->end_track, args->end_index); break; } case CDIOCPLAYMSF: { struct ioc_play_msf *args = (struct ioc_play_msf *)addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) break; error = cd_play_msf(cd, args->start_m, args->start_s, args->start_f, args->end_m, args->end_s, args->end_f); break; } case CDIOCPLAYBLOCKS: { struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) break; error = cd_play(cd, args->blk, args->len); break; } case CDIOCREADSUBCHANNEL: { struct ioc_read_subchannel *args = (struct ioc_read_subchannel *)addr; struct cd_sub_channel_info data; int len = args->data_len; if (len > sizeof(data) || len < sizeof(struct cd_sub_channel_header)) { error = EINVAL; break; } error = cd_read_subchannel(cd, args->address_format, args->data_format, args->track, &data, len); if (error) break; len = min(len, _2btol(data.header.data_len) + sizeof(struct cd_sub_channel_header)); error = copyout(&data, args->data, len); break; } case CDIOREADTOCHEADER: { struct ioc_toc_header th; if ((error = cd_read_toc(cd, 0, 0, &th, sizeof(th), 0)) != 0) break; if (cd->sc_link->quirks & ADEV_LITTLETOC) th.len = letoh16(th.len); else th.len = betoh16(th.len); bcopy(&th, addr, sizeof(th)); break; } case CDIOREADTOCENTRYS: { struct cd_toc *toc; struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *)addr; struct ioc_toc_header *th; struct cd_toc_entry *cte; int len = te->data_len; int ntracks; MALLOC(toc, struct cd_toc *, sizeof(struct cd_toc), M_TEMP, M_WAITOK); bzero(toc, sizeof(*toc)); th = &toc->header; if (len > sizeof(toc->entries) || len < sizeof(struct cd_toc_entry)) { FREE(toc, M_TEMP); error = EINVAL; break; } error = cd_read_toc(cd, te->address_format, te->starting_track, toc, len + sizeof(struct ioc_toc_header), 0); if (error) { FREE(toc, M_TEMP); break; } if (te->address_format == CD_LBA_FORMAT) for (ntracks = th->ending_track - th->starting_track + 1; ntracks >= 0; ntracks--) { cte = &toc->entries[ntracks]; cte->addr_type = CD_LBA_FORMAT; if (cd->sc_link->quirks & ADEV_LITTLETOC) { #if BYTE_ORDER == BIG_ENDIAN swap16_multi((u_int16_t *)&cte->addr, sizeof(cte->addr) / 2); #endif } else cte->addr.lba = betoh32(cte->addr.lba); } if (cd->sc_link->quirks & ADEV_LITTLETOC) { th->len = letoh16(th->len); } else th->len = betoh16(th->len); len = min(len, th->len - (sizeof(th->starting_track) + sizeof(th->ending_track))); error = copyout(toc->entries, te->data, len); FREE(toc, M_TEMP); break; } case CDIOREADMSADDR: { struct cd_toc *toc; int sessno = *(int *)addr; struct cd_toc_entry *cte; if (sessno != 0) { error = EINVAL; break; } MALLOC(toc, struct cd_toc *, sizeof(struct cd_toc), M_TEMP, M_WAITOK); bzero(toc, sizeof(*toc)); error = cd_read_toc(cd, 0, 0, toc, sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 0x40 /* control word for "get MS info" */); if (error) { FREE(toc, M_TEMP); break; } cte = &toc->entries[0]; if (cd->sc_link->quirks & ADEV_LITTLETOC) { #if BYTE_ORDER == BIG_ENDIAN swap16_multi((u_int16_t *)&cte->addr, sizeof(cte->addr) / 2); #endif } else cte->addr.lba = betoh32(cte->addr.lba); if (cd->sc_link->quirks & ADEV_LITTLETOC) toc->header.len = letoh16(toc->header.len); else toc->header.len = betoh16(toc->header.len); *(int *)addr = (toc->header.len >= 10 && cte->track > 1) ? cte->addr.lba : 0; FREE(toc, M_TEMP); break; } case CDIOCSETPATCH: { struct ioc_patch *arg = (struct ioc_patch *)addr; error = cd_setchan(cd, arg->patch[0], arg->patch[1], arg->patch[2], arg->patch[3], 0); break; } case CDIOCGETVOL: { struct ioc_vol *arg = (struct ioc_vol *)addr; error = cd_getvol(cd, arg, 0); break; } case CDIOCSETVOL: { struct ioc_vol *arg = (struct ioc_vol *)addr; error = cd_setvol(cd, arg, 0); break; } case CDIOCSETMONO: error = cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETSTEREO: error = cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETMUTE: error = cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETLEFT: error = cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETRIGHT: error = cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCRESUME: error = cd_pause(cd, 1); break; case CDIOCPAUSE: error = cd_pause(cd, 0); break; case CDIOCSTART: error = scsi_start(cd->sc_link, SSS_START, 0); break; case CDIOCSTOP: error = scsi_start(cd->sc_link, SSS_STOP, 0); break; close_tray: case CDIOCCLOSE: error = scsi_start(cd->sc_link, SSS_START|SSS_LOEJ, SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); break; case MTIOCTOP: if (((struct mtop *)addr)->mt_op == MTRETEN) goto close_tray; if (((struct mtop *)addr)->mt_op != MTOFFL) { error = EIO; break; } /* FALLTHROUGH */ case CDIOCEJECT: /* FALLTHROUGH */ case DIOCEJECT: cd->sc_link->flags |= SDEV_EJECTING; break; case CDIOCALLOW: error = scsi_prevent(cd->sc_link, PR_ALLOW, 0); break; case CDIOCPREVENT: error = scsi_prevent(cd->sc_link, PR_PREVENT, 0); break; case DIOCLOCK: error = scsi_prevent(cd->sc_link, (*(int *)addr) ? PR_PREVENT : PR_ALLOW, 0); break; case CDIOCSETDEBUG: cd->sc_link->flags |= (SDEV_DB1 | SDEV_DB2); break; case CDIOCCLRDEBUG: cd->sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); break; case CDIOCRESET: case SCIOCRESET: error = cd_reset(cd); break; case CDIOCLOADUNLOAD: { struct ioc_load_unload *args = (struct ioc_load_unload *)addr; error = cd_load_unload(cd, args->options, args->slot); break; } case DVD_AUTH: error = dvd_auth(cd, (union dvd_authinfo *)addr); break; case DVD_READ_STRUCT: error = dvd_read_struct(cd, (union dvd_struct *)addr); break; default: if (CDPART(dev) != RAW_PART) { error = ENOTTY; break; } error = scsi_do_ioctl(cd->sc_link, dev, cmd, addr, flag, p); break; } exit: device_unref(&cd->sc_dev); return (error); } /* * Load the label information on the named device * Actually fabricate a disklabel * * EVENTUALLY take information about different * data tracks from the TOC and put it in the disklabel */ void cdgetdisklabel(dev, cd, lp, clp, spoofonly) dev_t dev; struct cd_softc *cd; struct disklabel *lp; struct cpu_disklabel *clp; int spoofonly; { struct cd_toc *toc; char *errstring; int tocidx, n, audioonly = 1; bzero(lp, sizeof(struct disklabel)); bzero(clp, sizeof(struct cpu_disklabel)); MALLOC(toc, struct cd_toc *, sizeof(struct cd_toc), M_TEMP, M_WAITOK); bzero(toc, sizeof(*toc)); lp->d_secsize = cd->params.blksize; lp->d_ntracks = 1; lp->d_nsectors = 100; lp->d_secpercyl = 100; lp->d_ncylinders = (cd->params.disksize / 100) + 1; if (cd->sc_link->flags & SDEV_ATAPI) { strncpy(lp->d_typename, "ATAPI CD-ROM", sizeof(lp->d_typename)); lp->d_type = DTYPE_ATAPI; } else { strncpy(lp->d_typename, "SCSI CD-ROM", sizeof(lp->d_typename)); lp->d_type = DTYPE_SCSI; } strncpy(lp->d_packname, "fictitious", sizeof(lp->d_packname)); lp->d_secperunit = cd->params.disksize; lp->d_rpm = 300; lp->d_interleave = 1; lp->d_flags = D_REMOVABLE; /* XXX - these values for BBSIZE and SBSIZE assume ffs */ lp->d_bbsize = BBSIZE; lp->d_sbsize = SBSIZE; lp->d_magic = DISKMAGIC; lp->d_magic2 = DISKMAGIC; lp->d_checksum = dkcksum(lp); /* The raw partition is special. */ lp->d_partitions[RAW_PART].p_offset = 0; lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; lp->d_partitions[RAW_PART].p_fstype = FS_UNUSED; lp->d_npartitions = RAW_PART + 1; if (cd_load_toc(cd, toc, CD_LBA_FORMAT)) { audioonly = 0; /* No valid TOC found == not an audio CD. */ goto done; } n = toc->header.ending_track - toc->header.starting_track + 1; for (tocidx = 0; tocidx < n; tocidx++) if (toc->entries[tocidx].control & 4) { audioonly = 0; /* Found a non-audio track. */ goto done; } done: free(toc, M_TEMP); if (!audioonly) { errstring = readdisklabel(CDLABELDEV(dev), cdstrategy, lp, clp, spoofonly); /*if (errstring) printf("%s: %s\n", cd->sc_dev.dv_xname, errstring);*/ } } /* * Find out from the device what it's capacity is */ u_long cd_size(cd, flags) struct cd_softc *cd; int flags; { struct scsi_read_cd_cap_data rdcap; struct scsi_read_cd_capacity scsi_cmd; int blksize; u_long size; /* Reasonable defaults for drives that don't support READ_CD_CAPACITY */ cd->params.blksize = 2048; cd->params.disksize = 400000; if (cd->sc_link->quirks & ADEV_NOCAPACITY) goto exit; /* * make up a scsi command and ask the scsi driver to do * it for you. */ bzero(&scsi_cmd, sizeof(scsi_cmd)); scsi_cmd.opcode = READ_CD_CAPACITY; /* * If the command works, interpret the result as a 4 byte * number of blocks and a blocksize */ if (scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd), (u_char *)&rdcap, sizeof(rdcap), CDRETRIES, 20000, NULL, flags | SCSI_DATA_IN) != 0) goto exit; blksize = _4btol(rdcap.length); if ((blksize < 512) || ((blksize & 511) != 0)) blksize = 2048; /* some drives lie ! */ cd->params.blksize = blksize; size = _4btol(rdcap.addr) + 1; if (size < 100) size = 400000; /* ditto */ cd->params.disksize = size; exit: SC_DEBUG(cd->sc_link, SDEV_DB2, ("cd_size: %d %ld\n", blksize, size)); return (cd->params.disksize); } int cd_setchan(cd, p0, p1, p2, p3, flags) struct cd_softc *cd; int p0, p1, p2, p3, flags; { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error, big; data = malloc(sizeof(*data), M_TEMP, M_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(cd->sc_link, AUDIO_PAGE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); if (error == 0 && audio == NULL) error = EIO; if (error == 0) { audio->port[LEFT_PORT].channels = p0; audio->port[RIGHT_PORT].channels = p1; audio->port[2].channels = p2; audio->port[3].channels = p3; if (big) error = scsi_mode_select_big(cd->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(cd->sc_link, SMS_PF, &data->hdr, flags, 20000); } free(data, M_TEMP); return (error); } int cd_getvol(cd, arg, flags) struct cd_softc *cd; struct ioc_vol *arg; int flags; { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error; data = malloc(sizeof(*data), M_TEMP, M_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(cd->sc_link, AUDIO_PAGE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, NULL); if (error == 0 && audio == NULL) error = EIO; if (error == 0) { arg->vol[0] = audio->port[0].volume; arg->vol[1] = audio->port[1].volume; arg->vol[2] = audio->port[2].volume; arg->vol[3] = audio->port[3].volume; } free(data, M_TEMP); return (0); } int cd_setvol(cd, arg, flags) struct cd_softc *cd; const struct ioc_vol *arg; int flags; { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; u_int8_t mask_volume[4]; int error, big; data = malloc(sizeof(*data), M_TEMP, M_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(cd->sc_link, AUDIO_PAGE | SMS_PAGE_CTRL_CHANGEABLE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, NULL); if (error == 0 && audio == NULL) error = EIO; if (error != 0) { free(data, M_TEMP); return (error); } mask_volume[0] = audio->port[0].volume; mask_volume[1] = audio->port[1].volume; mask_volume[2] = audio->port[2].volume; mask_volume[3] = audio->port[3].volume; error = scsi_do_mode_sense(cd->sc_link, AUDIO_PAGE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); if (error == 0 && audio == NULL) error = EIO; if (error != 0) { free(data, M_TEMP); return (error); } audio->port[0].volume = arg->vol[0] & mask_volume[0]; audio->port[1].volume = arg->vol[1] & mask_volume[1]; audio->port[2].volume = arg->vol[2] & mask_volume[2]; audio->port[3].volume = arg->vol[3] & mask_volume[3]; if (big) error = scsi_mode_select_big(cd->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(cd->sc_link, SMS_PF, &data->hdr, flags, 20000); free(data, M_TEMP); return (error); } int cd_load_unload(cd, options, slot) struct cd_softc *cd; int options, slot; { struct scsi_load_unload cmd; bzero(&cmd, sizeof(cmd)); cmd.opcode = LOAD_UNLOAD; cmd.options = options; /* ioctl uses ATAPI values */ cmd.slot = slot; return (scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 200000, NULL, 0)); } int cd_set_pa_immed(cd, flags) struct cd_softc *cd; int flags; { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error, oflags, big; if (cd->sc_link->flags & SDEV_ATAPI) /* XXX Noop? */ return (0); data = malloc(sizeof(*data), M_TEMP, M_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(cd->sc_link, AUDIO_PAGE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); if (error == 0 && audio == NULL) error = EIO; if (error == 0) { oflags = audio->flags; audio->flags &= ~CD_PA_SOTC; audio->flags |= CD_PA_IMMED; if (audio->flags != oflags) { if (big) error = scsi_mode_select_big(cd->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(cd->sc_link, SMS_PF, &data->hdr, flags, 20000); } } free(data, M_TEMP); return (error); } /* * Get scsi driver to send a "start playing" command */ int cd_play(cd, blkno, nblks) struct cd_softc *cd; int blkno, nblks; { struct scsi_play scsi_cmd; bzero(&scsi_cmd, sizeof(scsi_cmd)); scsi_cmd.opcode = PLAY; _lto4b(blkno, scsi_cmd.blk_addr); _lto2b(nblks, scsi_cmd.xfer_len); return (scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd), 0, 0, CDRETRIES, 200000, NULL, 0)); } /* * Get scsi driver to send a "start playing" command */ int cd_play_tracks(cd, strack, sindex, etrack, eindex) struct cd_softc *cd; int strack, sindex, etrack, eindex; { struct cd_toc *toc; u_char endf, ends, endm; int error; if (!etrack) return (EIO); if (strack > etrack) return (EINVAL); MALLOC(toc, struct cd_toc *, sizeof(struct cd_toc), M_TEMP, M_WAITOK); bzero(toc, sizeof(*toc)); if ((error = cd_load_toc(cd, toc, CD_MSF_FORMAT)) != 0) goto done; if (++etrack > (toc->header.ending_track+1)) etrack = toc->header.ending_track+1; strack -= toc->header.starting_track; etrack -= toc->header.starting_track; if (strack < 0) { error = EINVAL; goto done; } /* * The track ends one frame before the next begins. The last track * is taken care of by the leadoff track. */ endm = toc->entries[etrack].addr.msf.minute; ends = toc->entries[etrack].addr.msf.second; endf = toc->entries[etrack].addr.msf.frame; if (endf-- == 0) { endf = CD_FRAMES - 1; if (ends-- == 0) { ends = CD_SECS - 1; if (endm-- == 0) { error = EINVAL; goto done; } } } error = cd_play_msf(cd, toc->entries[strack].addr.msf.minute, toc->entries[strack].addr.msf.second, toc->entries[strack].addr.msf.frame, endm, ends, endf); done: FREE(toc, M_TEMP); return (error); } /* * Get scsi driver to send a "play msf" command */ int cd_play_msf(cd, startm, starts, startf, endm, ends, endf) struct cd_softc *cd; int startm, starts, startf, endm, ends, endf; { struct scsi_play_msf scsi_cmd; bzero(&scsi_cmd, sizeof(scsi_cmd)); scsi_cmd.opcode = PLAY_MSF; scsi_cmd.start_m = startm; scsi_cmd.start_s = starts; scsi_cmd.start_f = startf; scsi_cmd.end_m = endm; scsi_cmd.end_s = ends; scsi_cmd.end_f = endf; return (scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd), 0, 0, CDRETRIES, 20000, NULL, 0)); } /* * Get scsi driver to send a "start up" command */ int cd_pause(cd, go) struct cd_softc *cd; int go; { struct scsi_pause scsi_cmd; bzero(&scsi_cmd, sizeof(scsi_cmd)); scsi_cmd.opcode = PAUSE; scsi_cmd.resume = go; return scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd), 0, 0, CDRETRIES, 2000, NULL, 0); } /* * Get scsi driver to send a "RESET" command */ int cd_reset(cd) struct cd_softc *cd; { return scsi_scsi_cmd(cd->sc_link, 0, 0, 0, 0, CDRETRIES, 2000, NULL, SCSI_RESET); } /* * Read subchannel */ int cd_read_subchannel(cd, mode, format, track, data, len) struct cd_softc *cd; int mode, format, track, len; struct cd_sub_channel_info *data; { struct scsi_read_subchannel scsi_cmd; bzero(&scsi_cmd, sizeof(scsi_cmd)); scsi_cmd.opcode = READ_SUBCHANNEL; if (mode == CD_MSF_FORMAT) scsi_cmd.byte2 |= CD_MSF; scsi_cmd.byte3 = SRS_SUBQ; scsi_cmd.subchan_format = format; scsi_cmd.track = track; _lto2b(len, scsi_cmd.data_len); return scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(struct scsi_read_subchannel), (u_char *)data, len, CDRETRIES, 5000, NULL, SCSI_DATA_IN|SCSI_SILENT); } /* * Read table of contents */ int cd_read_toc(cd, mode, start, data, len, control) struct cd_softc *cd; int mode, start, len, control; void *data; { struct scsi_read_toc scsi_cmd; bzero(&scsi_cmd, sizeof(scsi_cmd)); bzero(data, len); scsi_cmd.opcode = READ_TOC; if (mode == CD_MSF_FORMAT) scsi_cmd.byte2 |= CD_MSF; scsi_cmd.from_track = start; _lto2b(len, scsi_cmd.data_len); scsi_cmd.control = control; return scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&scsi_cmd, sizeof(struct scsi_read_toc), (u_char *)data, len, CDRETRIES, 5000, NULL, SCSI_DATA_IN | SCSI_IGNORE_ILLEGAL_REQUEST); } int cd_load_toc(cd, toc, fmt) struct cd_softc *cd; struct cd_toc *toc; int fmt; { int n, len, error; error = cd_read_toc(cd, 0, 0, toc, sizeof(toc->header), 0); if (error == 0) { if (toc->header.ending_track < toc->header.starting_track) return (EIO); /* +2 to account for leading out track. */ n = toc->header.ending_track - toc->header.starting_track + 2; len = n * sizeof(struct cd_toc_entry) + sizeof(toc->header); error = cd_read_toc(cd, fmt, 0, toc, len, 0); } return (error); } /* * Get the scsi driver to send a full inquiry to the device and use the * results to fill out the disk parameter structure. */ int cd_get_parms(cd, flags) struct cd_softc *cd; int flags; { /* * give a number of sectors so that sec * trks * cyls * is <= disk_size */ if (cd_size(cd, flags) == 0) return (ENXIO); return (0); } int cdsize(dev) dev_t dev; { /* CD-ROMs are read-only. */ return -1; } int cddump(dev, blkno, va, size) dev_t dev; daddr_t blkno; caddr_t va; size_t size; { /* Not implemented. */ return ENXIO; } #define dvd_copy_key(dst, src) bcopy((src), (dst), DVD_KEY_SIZE) #define dvd_copy_challenge(dst, src) bcopy((src), (dst), DVD_CHALLENGE_SIZE) int dvd_auth(cd, a) struct cd_softc *cd; union dvd_authinfo *a; { struct scsi_generic cmd; u_int8_t buf[20]; int error; bzero(cmd.bytes, sizeof(cmd.bytes)); bzero(buf, sizeof(buf)); switch (a->type) { case DVD_LU_SEND_AGID: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 8; cmd.bytes[9] = 0 | (0 << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 8, CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); a->lsa.agid = buf[7] >> 6; return (0); case DVD_LU_SEND_CHALLENGE: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 16; cmd.bytes[9] = 1 | (a->lsc.agid << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 16, CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); dvd_copy_challenge(a->lsc.chal, &buf[4]); return (0); case DVD_LU_SEND_KEY1: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 12; cmd.bytes[9] = 2 | (a->lsk.agid << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 12, CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); dvd_copy_key(a->lsk.key, &buf[4]); return (0); case DVD_LU_SEND_TITLE_KEY: cmd.opcode = GPCMD_REPORT_KEY; _lto4b(a->lstk.lba, &cmd.bytes[1]); cmd.bytes[8] = 12; cmd.bytes[9] = 4 | (a->lstk.agid << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 12, CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); a->lstk.cpm = (buf[4] >> 7) & 1; a->lstk.cp_sec = (buf[4] >> 6) & 1; a->lstk.cgms = (buf[4] >> 4) & 3; dvd_copy_key(a->lstk.title_key, &buf[5]); return (0); case DVD_LU_SEND_ASF: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 8; cmd.bytes[9] = 5 | (a->lsasf.agid << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 8, CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); a->lsasf.asf = buf[7] & 1; return (0); case DVD_HOST_SEND_CHALLENGE: cmd.opcode = GPCMD_SEND_KEY; cmd.bytes[8] = 16; cmd.bytes[9] = 1 | (a->hsc.agid << 6); buf[1] = 14; dvd_copy_challenge(&buf[4], a->hsc.chal); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 16, CDRETRIES, 30000, NULL, SCSI_DATA_OUT); if (error) return (error); a->type = DVD_LU_SEND_KEY1; return (0); case DVD_HOST_SEND_KEY2: cmd.opcode = GPCMD_SEND_KEY; cmd.bytes[8] = 12; cmd.bytes[9] = 3 | (a->hsk.agid << 6); buf[1] = 10; dvd_copy_key(&buf[4], a->hsk.key); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 12, CDRETRIES, 30000, NULL, SCSI_DATA_OUT); if (error) { a->type = DVD_AUTH_FAILURE; return (error); } a->type = DVD_AUTH_ESTABLISHED; return (0); case DVD_INVALIDATE_AGID: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, 16, CDRETRIES, 30000, NULL, 0); if (error) return (error); return (0); default: return (ENOTTY); } } int dvd_read_physical(cd, s) struct cd_softc *cd; union dvd_struct *s; { struct scsi_generic cmd; u_int8_t buf[4 + 4 * 20], *bufp; int error; struct dvd_layer *layer; int i; bzero(cmd.bytes, sizeof(cmd.bytes)); bzero(buf, sizeof(buf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(buf), &cmd.bytes[7]); cmd.bytes[5] = s->physical.layer_num; error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, sizeof(buf), CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); for (i = 0, bufp = &buf[4], layer = &s->physical.layer[0]; i < 4; i++, bufp += 20, layer++) { bzero(layer, sizeof(*layer)); layer->book_version = bufp[0] & 0xf; layer->book_type = bufp[0] >> 4; layer->min_rate = bufp[1] & 0xf; layer->disc_size = bufp[1] >> 4; layer->layer_type = bufp[2] & 0xf; layer->track_path = (bufp[2] >> 4) & 1; layer->nlayers = (bufp[2] >> 5) & 3; layer->track_density = bufp[3] & 0xf; layer->linear_density = bufp[3] >> 4; layer->start_sector = _4btol(&bufp[4]); layer->end_sector = _4btol(&bufp[8]); layer->end_sector_l0 = _4btol(&bufp[12]); layer->bca = bufp[16] >> 7; } return (0); } int dvd_read_copyright(cd, s) struct cd_softc *cd; union dvd_struct *s; { struct scsi_generic cmd; u_int8_t buf[8]; int error; bzero(cmd.bytes, sizeof(cmd.bytes)); bzero(buf, sizeof(buf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(buf), &cmd.bytes[7]); cmd.bytes[5] = s->copyright.layer_num; error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, sizeof(buf), CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); s->copyright.cpst = buf[4]; s->copyright.rmi = buf[5]; return (0); } int dvd_read_disckey(cd, s) struct cd_softc *cd; union dvd_struct *s; { struct scsi_read_dvd_structure cmd; struct scsi_read_dvd_structure_data *buf; int error; buf = malloc(sizeof(*buf), M_TEMP, M_WAITOK); if (buf == NULL) return (ENOMEM); bzero(buf, sizeof(*buf)); bzero(&cmd, sizeof(cmd)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.format = s->type; cmd.agid = s->disckey.agid << 6; _lto2b(sizeof(*buf), cmd.length); error = scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&cmd, sizeof(cmd), (u_char *)buf, sizeof(*buf), CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error == 0) bcopy(buf->data, s->disckey.value, sizeof(s->disckey.value)); free(buf, M_TEMP); return (error); } int dvd_read_bca(cd, s) struct cd_softc *cd; union dvd_struct *s; { struct scsi_generic cmd; u_int8_t buf[4 + 188]; int error; bzero(cmd.bytes, sizeof(cmd.bytes)); bzero(buf, sizeof(buf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(buf), &cmd.bytes[7]); error = scsi_scsi_cmd(cd->sc_link, &cmd, sizeof(cmd), buf, sizeof(buf), CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error) return (error); s->bca.len = _2btol(&buf[0]); if (s->bca.len < 12 || s->bca.len > 188) return (EIO); bcopy(&buf[4], s->bca.value, s->bca.len); return (0); } int dvd_read_manufact(cd, s) struct cd_softc *cd; union dvd_struct *s; { struct scsi_read_dvd_structure cmd; struct scsi_read_dvd_structure_data *buf; int error; buf = malloc(sizeof(*buf), M_TEMP, M_WAITOK); if (buf == NULL) return (ENOMEM); bzero(buf, sizeof(*buf)); bzero(&cmd, sizeof(cmd)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.format = s->type; _lto2b(sizeof(*buf), cmd.length); error = scsi_scsi_cmd(cd->sc_link, (struct scsi_generic *)&cmd, sizeof(cmd), (u_char *)buf, sizeof(*buf), CDRETRIES, 30000, NULL, SCSI_DATA_IN); if (error == 0) { s->manufact.len = _2btol(buf->len); if (s->manufact.len >= 0 && s->manufact.len <= 2048) bcopy(buf->data, s->manufact.value, s->manufact.len); else error = EIO; } free(buf, M_TEMP); return (error); } int dvd_read_struct(cd, s) struct cd_softc *cd; union dvd_struct *s; { switch (s->type) { case DVD_STRUCT_PHYSICAL: return (dvd_read_physical(cd, s)); case DVD_STRUCT_COPYRIGHT: return (dvd_read_copyright(cd, s)); case DVD_STRUCT_DISCKEY: return (dvd_read_disckey(cd, s)); case DVD_STRUCT_BCA: return (dvd_read_bca(cd, s)); case DVD_STRUCT_MANUFACT: return (dvd_read_manufact(cd, s)); default: return (EINVAL); } } void cd_powerhook(int why, void *arg) { struct cd_softc *cd = arg; /* * When resuming, hardware may have forgotten we locked it. So if * there are any open partitions, lock the CD. */ if (why == PWR_RESUME && cd->sc_dk.dk_openmask != 0) scsi_prevent(cd->sc_link, PR_PREVENT, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE); }