/* $OpenBSD: cd.c,v 1.216 2014/12/15 02:11:57 tedu 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 #include /* rw_big and start_stop come from there */ #include #include /* for BBSIZE and SBSIZE */ #define CDOUTSTANDING 4 #define MAXTRACK 99 #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 */ }; int cdmatch(struct device *, void *, void *); void cdattach(struct device *, struct device *, void *); int cdactivate(struct device *, int); int cddetach(struct device *, int); struct cd_softc { struct device sc_dev; struct disk sc_dk; int sc_flags; #define CDF_ANCIENT 0x10 /* disk is ancient; for minphys */ #define CDF_DYING 0x40 /* dying, when deactivated */ #define CDF_WAITING 0x100 struct scsi_link *sc_link; /* contains our targ, lun, etc. */ struct cd_parms { u_int32_t secsize; u_int64_t disksize; /* total number sectors */ } params; struct bufq sc_bufq; struct scsi_xshandler sc_xsh; struct timeout sc_timeout; }; void cdstart(struct scsi_xfer *); void cd_buf_done(struct scsi_xfer *); void cdminphys(struct buf *); int cdgetdisklabel(dev_t, struct cd_softc *, struct disklabel *, int); 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 cd_interpret_sense(struct scsi_xfer *); u_int64_t cd_size(struct scsi_link *, int, u_int32_t *); 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 *); #if defined(__macppc__) int cd_eject(void); #endif struct cfattach cd_ca = { sizeof(struct cd_softc), cdmatch, cdattach, cddetach, cdactivate }; struct cfdriver cd_cd = { NULL, "cd", DV_DISK }; const struct scsi_inquiry_pattern cd_patterns[] = { {T_CDROM, T_REMOV, "", "", ""}, {T_CDROM, T_FIXED, "", "", ""}, {T_WORM, T_REMOV, "", "", ""}, {T_WORM, T_FIXED, "", "", ""}, {T_DIRECT, T_REMOV, "NEC CD-ROM DRIVE:260", "", ""}, #if 0 {T_CDROM, T_REMOV, /* more luns */ "PIONEER ", "CD-ROM DRM-600 ", ""}, #endif }; #define cdlookup(unit) (struct cd_softc *)disk_lookup(&cd_cd, (unit)) int cdmatch(struct device *parent, void *match, void *aux) { struct scsi_attach_args *sa = aux; int priority; scsi_inqmatch(sa->sa_inqbuf, cd_patterns, nitems(cd_patterns), 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(struct device *parent, struct device *self, void *aux) { struct cd_softc *sc = (struct cd_softc *)self; struct scsi_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 */ sc->sc_link = sc_link; sc_link->interpret_sense = cd_interpret_sense; sc_link->device_softc = sc; if (sc_link->openings > CDOUTSTANDING) sc_link->openings = CDOUTSTANDING; /* * Initialize disk structures. */ sc->sc_dk.dk_name = sc->sc_dev.dv_xname; bufq_init(&sc->sc_bufq, BUFQ_DEFAULT); /* * Note if this device is ancient. This is used in cdminphys(). */ if (!(sc_link->flags & SDEV_ATAPI) && SCSISPC(sa->sa_inqbuf->version) == 0) sc->sc_flags |= CDF_ANCIENT; printf("\n"); scsi_xsh_set(&sc->sc_xsh, sc_link, cdstart); timeout_set(&sc->sc_timeout, (void (*)(void *))scsi_xsh_add, &sc->sc_xsh); /* Attach disk. */ sc->sc_dk.dk_flags = DKF_NOLABELREAD; disk_attach(&sc->sc_dev, &sc->sc_dk); } int cdactivate(struct device *self, int act) { struct cd_softc *sc = (struct cd_softc *)self; int rv = 0; switch (act) { case DVACT_RESUME: /* * When resuming, hardware may have forgotten we locked it. So if * there are any open partitions, lock the CD. */ if (sc->sc_dk.dk_openmask != 0) scsi_prevent(sc->sc_link, PR_PREVENT, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | SCSI_SILENT | SCSI_AUTOCONF); break; case DVACT_DEACTIVATE: sc->sc_flags |= CDF_DYING; scsi_xsh_del(&sc->sc_xsh); break; } return (rv); } int cddetach(struct device *self, int flags) { struct cd_softc *sc = (struct cd_softc *)self; bufq_drain(&sc->sc_bufq); disk_gone(cdopen, self->dv_unit); /* Detach disk. */ bufq_destroy(&sc->sc_bufq); 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_t dev, int flag, int fmt, struct proc *p) { struct scsi_link *sc_link; struct cd_softc *sc; int error = 0, part, rawopen, unit; unit = DISKUNIT(dev); part = DISKPART(dev); rawopen = (part == RAW_PART) && (fmt == S_IFCHR); sc = cdlookup(unit); if (sc == NULL) return (ENXIO); if (sc->sc_flags & CDF_DYING) { device_unref(&sc->sc_dev); return (ENXIO); } sc_link = sc->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 = disk_lock(&sc->sc_dk)) != 0) { device_unref(&sc->sc_dev); return (error); } if (sc->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. */ /* Use cd_interpret_sense() now. */ sc_link->flags |= SDEV_OPEN; error = scsi_test_unit_ready(sc_link, TEST_READY_RETRIES, (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 | SCSI_SILENT); if (error) goto bad; /* Load the physical device parameters. */ sc_link->flags |= SDEV_MEDIA_LOADED; if (cd_get_parms(sc, (rawopen ? SCSI_SILENT : 0) | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE)) { 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, sc, sc->sc_dk.dk_label, 0); SC_DEBUG(sc_link, SDEV_DB3, ("Disklabel fabricated\n")); } out: if ((error = disk_openpart(&sc->sc_dk, part, fmt, 1)) != 0) goto bad; 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 (sc->sc_dk.dk_openmask == 0) { scsi_prevent(sc_link, PR_ALLOW, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | SCSI_SILENT); sc_link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); } disk_unlock(&sc->sc_dk); device_unref(&sc->sc_dev); return (error); } /* * Close the device. Only called if we are the last occurrence of an open * device. */ int cdclose(dev_t dev, int flag, int fmt, struct proc *p) { struct cd_softc *sc; int part = DISKPART(dev); sc = cdlookup(DISKUNIT(dev)); if (sc == NULL) return ENXIO; if (sc->sc_flags & CDF_DYING) { device_unref(&sc->sc_dev); return (ENXIO); } disk_lock_nointr(&sc->sc_dk); disk_closepart(&sc->sc_dk, part, fmt); if (sc->sc_dk.dk_openmask == 0) { /* XXXX Must wait for I/O to complete! */ scsi_prevent(sc->sc_link, PR_ALLOW, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_SILENT); sc->sc_link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); if (sc->sc_link->flags & SDEV_EJECTING) { scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0); sc->sc_link->flags &= ~SDEV_EJECTING; } timeout_del(&sc->sc_timeout); scsi_xsh_del(&sc->sc_xsh); } disk_unlock(&sc->sc_dk); device_unref(&sc->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(struct buf *bp) { struct cd_softc *sc; int s; sc = cdlookup(DISKUNIT(bp->b_dev)); if (sc == NULL) { bp->b_error = ENXIO; goto bad; } if (sc->sc_flags & CDF_DYING) { bp->b_error = ENXIO; goto bad; } SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdstrategy: %ld bytes @ blk %lld\n", bp->b_bcount, (long long)bp->b_blkno)); /* * If the device has been made invalid, error out * maybe the media changed, or no media loaded */ if ((sc->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { bp->b_error = EIO; goto bad; } /* Validate the request. */ if (bounds_check_with_label(bp, sc->sc_dk.dk_label) == -1) goto done; /* Place it in the queue of disk activities for this disk. */ bufq_queue(&sc->sc_bufq, bp); /* * Tell the device to get going on the transfer if it's * not doing anything, otherwise just wait for completion */ scsi_xsh_add(&sc->sc_xsh); device_unref(&sc->sc_dev); return; bad: bp->b_flags |= B_ERROR; bp->b_resid = bp->b_bcount; done: s = splbio(); biodone(bp); splx(s); if (sc != NULL) device_unref(&sc->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(struct scsi_xfer *xs) { struct scsi_link *sc_link = xs->sc_link; struct cd_softc *sc = sc_link->device_softc; struct buf *bp; struct scsi_rw_big *cmd_big; struct scsi_rw *cmd_small; u_int64_t secno, nsecs; struct partition *p; int read; SC_DEBUG(sc_link, SDEV_DB2, ("cdstart\n")); if (sc->sc_flags & CDF_DYING) { scsi_xs_put(xs); return; } /* * If the device 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) { bufq_drain(&sc->sc_bufq); scsi_xs_put(xs); return; } bp = bufq_dequeue(&sc->sc_bufq); if (bp == NULL) { scsi_xs_put(xs); return; } /* * 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. */ secno = DL_BLKTOSEC(sc->sc_dk.dk_label, bp->b_blkno); p = &sc->sc_dk.dk_label->d_partitions[DISKPART(bp->b_dev)]; secno += DL_GETPOFFSET(p); nsecs = howmany(bp->b_bcount, sc->sc_dk.dk_label->d_secsize); read = (bp->b_flags & B_READ); /* * 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) && ((secno & 0x1fffff) == secno) && ((nsecs & 0xff) == nsecs)) { /* * We can fit in a small cdb. */ cmd_small = (struct scsi_rw *)xs->cmd; cmd_small->opcode = read ? READ_COMMAND : WRITE_COMMAND; _lto3b(secno, cmd_small->addr); cmd_small->length = nsecs & 0xff; xs->cmdlen = sizeof(*cmd_small); } else { /* * Need a large cdb. */ cmd_big = (struct scsi_rw_big *)xs->cmd; cmd_big->opcode = read ? READ_BIG : WRITE_BIG; _lto4b(secno, cmd_big->addr); _lto2b(nsecs, cmd_big->length); xs->cmdlen = sizeof(*cmd_big); } xs->flags |= (read ? SCSI_DATA_IN : SCSI_DATA_OUT); xs->timeout = 30000; xs->data = bp->b_data; xs->datalen = bp->b_bcount; xs->done = cd_buf_done; xs->cookie = bp; xs->bp = bp; /* Instrumentation. */ disk_busy(&sc->sc_dk); scsi_xs_exec(xs); if (ISSET(sc->sc_flags, CDF_WAITING)) CLR(sc->sc_flags, CDF_WAITING); else if (bufq_peek(&sc->sc_bufq)) scsi_xsh_add(&sc->sc_xsh); } void cd_buf_done(struct scsi_xfer *xs) { struct cd_softc *sc = xs->sc_link->device_softc; struct buf *bp = xs->cookie; int error, s; switch (xs->error) { case XS_NOERROR: bp->b_error = 0; bp->b_resid = xs->resid; break; case XS_NO_CCB: /* The adapter is busy, requeue the buf and try it later. */ disk_unbusy(&sc->sc_dk, bp->b_bcount - xs->resid, bp->b_flags & B_READ); bufq_requeue(&sc->sc_bufq, bp); scsi_xs_put(xs); SET(sc->sc_flags, CDF_WAITING); timeout_add(&sc->sc_timeout, 1); return; case XS_SENSE: case XS_SHORTSENSE: #ifdef SCSIDEBUG scsi_sense_print_debug(xs); #endif error = cd_interpret_sense(xs); if (error == 0) { bp->b_error = 0; bp->b_resid = xs->resid; break; } if (error != ERESTART) xs->retries = 0; goto retry; case XS_BUSY: if (xs->retries) { if (scsi_delay(xs, 1) != ERESTART) xs->retries = 0; } goto retry; case XS_TIMEOUT: retry: if (xs->retries--) { scsi_xs_exec(xs); return; } /* FALLTHROUGH */ default: bp->b_error = EIO; bp->b_flags |= B_ERROR; bp->b_resid = bp->b_bcount; break; } disk_unbusy(&sc->sc_dk, bp->b_bcount - xs->resid, bp->b_flags & B_READ); s = splbio(); biodone(bp); splx(s); scsi_xs_put(xs); } void cdminphys(struct buf *bp) { struct cd_softc *sc; long max; sc = cdlookup(DISKUNIT(bp->b_dev)); if (sc == 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 (sc->sc_flags & CDF_ANCIENT) { max = sc->sc_dk.dk_label->d_secsize * 0xff; if (bp->b_bcount > max) bp->b_bcount = max; } (*sc->sc_link->adapter->scsi_minphys)(bp, sc->sc_link); device_unref(&sc->sc_dev); } int cdread(dev_t dev, struct uio *uio, int ioflag) { return (physio(cdstrategy, dev, B_READ, cdminphys, uio)); } int cdwrite(dev_t dev, struct uio *uio, int ioflag) { return (physio(cdstrategy, dev, B_WRITE, cdminphys, uio)); } /* * Perform special action on behalf of the user. * Knows about the internals of this device */ int cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) { struct cd_softc *sc; struct disklabel *lp; int part = DISKPART(dev); int error = 0; sc = cdlookup(DISKUNIT(dev)); if (sc == NULL) return ENXIO; if (sc->sc_flags & CDF_DYING) { device_unref(&sc->sc_dev); return (ENXIO); } SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdioctl 0x%lx\n", cmd)); /* * If the device is not valid.. abandon ship */ if ((sc->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { switch (cmd) { 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 ((sc->sc_link->flags & SDEV_OPEN) == 0) error = ENODEV; else error = EIO; goto exit; } } switch (cmd) { case DIOCRLDINFO: lp = malloc(sizeof(*lp), M_TEMP, M_WAITOK); cdgetdisklabel(dev, sc, lp, 0); memcpy(sc->sc_dk.dk_label, lp, sizeof(*lp)); free(lp, M_TEMP, sizeof(*lp)); break; case DIOCGPDINFO: cdgetdisklabel(dev, sc, (struct disklabel *)addr, 1); break; case DIOCGDINFO: *(struct disklabel *)addr = *(sc->sc_dk.dk_label); break; case DIOCGPART: ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; ((struct partinfo *)addr)->part = &sc->sc_dk.dk_label->d_partitions[DISKPART(dev)]; break; case DIOCWDINFO: case DIOCSDINFO: if ((flag & FWRITE) == 0) { error = EBADF; break; } if ((error = disk_lock(&sc->sc_dk)) != 0) break; error = setdisklabel(sc->sc_dk.dk_label, (struct disklabel *)addr, sc->sc_dk.dk_openmask); if (error == 0) { } disk_unlock(&sc->sc_dk); break; case CDIOCPLAYTRACKS: { struct ioc_play_track *args = (struct ioc_play_track *)addr; if ((error = cd_set_pa_immed(sc, 0)) != 0) break; error = cd_play_tracks(sc, 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(sc, 0)) != 0) break; error = cd_play_msf(sc, 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(sc, 0)) != 0) break; error = cd_play(sc, 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; } data = dma_alloc(sizeof(*data), PR_WAITOK); error = cd_read_subchannel(sc, args->address_format, args->data_format, args->track, data, len); if (error) { dma_free(data, sizeof(*data)); break; } len = min(len, _2btol(data->header.data_len) + sizeof(struct cd_sub_channel_header)); error = copyout(data, args->data, len); dma_free(data, sizeof(*data)); break; } case CDIOREADTOCHEADER: { struct ioc_toc_header *th; th = dma_alloc(sizeof(*th), PR_WAITOK); if ((error = cd_read_toc(sc, 0, 0, th, sizeof(*th), 0)) != 0) { dma_free(th, sizeof(*th)); break; } if (sc->sc_link->quirks & ADEV_LITTLETOC) th->len = letoh16(th->len); else th->len = betoh16(th->len); if (th->len > 0) memcpy(addr, th, sizeof(*th)); else error = EIO; dma_free(th, 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; toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); th = &toc->header; if (len > sizeof(toc->entries) || len < sizeof(struct cd_toc_entry)) { dma_free(toc, sizeof(*toc)); error = EINVAL; break; } error = cd_read_toc(sc, te->address_format, te->starting_track, toc, len + sizeof(struct ioc_toc_header), 0); if (error) { dma_free(toc, sizeof(*toc)); 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 (sc->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 (sc->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); dma_free(toc, sizeof(*toc)); break; } case CDIOREADMSADDR: { struct cd_toc *toc; int sessno = *(int *)addr; struct cd_toc_entry *cte; if (sessno != 0) { error = EINVAL; break; } toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); error = cd_read_toc(sc, 0, 0, toc, sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 0x40 /* control word for "get MS info" */); if (error) { dma_free(toc, sizeof(*toc)); break; } cte = &toc->entries[0]; if (sc->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 (sc->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; dma_free(toc, sizeof(*toc)); break; } case CDIOCSETPATCH: { struct ioc_patch *arg = (struct ioc_patch *)addr; error = cd_setchan(sc, 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(sc, arg, 0); break; } case CDIOCSETVOL: { struct ioc_vol *arg = (struct ioc_vol *)addr; error = cd_setvol(sc, arg, 0); break; } case CDIOCSETMONO: error = cd_setchan(sc, BOTH_CHANNEL, BOTH_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETSTEREO: error = cd_setchan(sc, LEFT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETMUTE: error = cd_setchan(sc, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETLEFT: error = cd_setchan(sc, LEFT_CHANNEL, LEFT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCSETRIGHT: error = cd_setchan(sc, RIGHT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0); break; case CDIOCRESUME: error = cd_pause(sc, 1); break; case CDIOCPAUSE: error = cd_pause(sc, 0); break; case CDIOCSTART: error = scsi_start(sc->sc_link, SSS_START, 0); break; case CDIOCSTOP: error = scsi_start(sc->sc_link, SSS_STOP, 0); break; close_tray: case CDIOCCLOSE: error = scsi_start(sc->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: sc->sc_link->flags |= SDEV_EJECTING; break; case CDIOCALLOW: error = scsi_prevent(sc->sc_link, PR_ALLOW, 0); break; case CDIOCPREVENT: error = scsi_prevent(sc->sc_link, PR_PREVENT, 0); break; case DIOCLOCK: error = scsi_prevent(sc->sc_link, (*(int *)addr) ? PR_PREVENT : PR_ALLOW, 0); break; case CDIOCSETDEBUG: sc->sc_link->flags |= (SDEV_DB1 | SDEV_DB2); break; case CDIOCCLRDEBUG: sc->sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); break; case CDIOCRESET: case SCIOCRESET: error = cd_reset(sc); break; case CDIOCLOADUNLOAD: { struct ioc_load_unload *args = (struct ioc_load_unload *)addr; error = cd_load_unload(sc, args->options, args->slot); break; } case DVD_AUTH: error = dvd_auth(sc, (union dvd_authinfo *)addr); break; case DVD_READ_STRUCT: error = dvd_read_struct(sc, (union dvd_struct *)addr); break; default: if (DISKPART(dev) != RAW_PART) { error = ENOTTY; break; } error = scsi_do_ioctl(sc->sc_link, cmd, addr, flag); break; } exit: device_unref(&sc->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 */ int cdgetdisklabel(dev_t dev, struct cd_softc *sc, struct disklabel *lp, int spoofonly) { struct cd_toc *toc; int tocidx, n, audioonly = 1; bzero(lp, sizeof(struct disklabel)); lp->d_secsize = sc->params.secsize; lp->d_ntracks = 1; lp->d_nsectors = 100; lp->d_secpercyl = 100; lp->d_ncylinders = (sc->params.disksize / 100) + 1; if (sc->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)); DL_SETDSIZE(lp, sc->params.disksize); lp->d_version = 1; /* 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); toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); if (cd_load_toc(sc, 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: dma_free(toc, sizeof(*toc)); if (audioonly) return (0); return readdisklabel(DISKLABELDEV(dev), cdstrategy, lp, spoofonly); } int cd_setchan(struct cd_softc *sc, int p0, int p1, int p2, int p3, int flags) { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error, big; data = dma_alloc(sizeof(*data), PR_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(sc->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(sc->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(sc->sc_link, SMS_PF, &data->hdr, flags, 20000); } dma_free(data, sizeof(*data)); return (error); } int cd_getvol(struct cd_softc *sc, struct ioc_vol *arg, int flags) { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error; data = dma_alloc(sizeof(*data), PR_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(sc->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; } dma_free(data, sizeof(*data)); return (0); } int cd_setvol(struct cd_softc *sc, 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 = dma_alloc(sizeof(*data), PR_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(sc->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) { dma_free(data, sizeof(*data)); 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(sc->sc_link, AUDIO_PAGE, data, (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); if (error == 0 && audio == NULL) error = EIO; if (error != 0) { dma_free(data, sizeof(*data)); 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(sc->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(sc->sc_link, SMS_PF, &data->hdr, flags, 20000); dma_free(data, sizeof(*data)); return (error); } int cd_load_unload(struct cd_softc *sc, int options, int slot) { struct scsi_load_unload *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, 0); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->timeout = 200000; cmd = (struct scsi_load_unload *)xs->cmd; cmd->opcode = LOAD_UNLOAD; cmd->options = options; /* ioctl uses ATAPI values */ cmd->slot = slot; error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } int cd_set_pa_immed(struct cd_softc *sc, int flags) { union scsi_mode_sense_buf *data; struct cd_audio_page *audio = NULL; int error, oflags, big; if (sc->sc_link->flags & SDEV_ATAPI) /* XXX Noop? */ return (0); data = dma_alloc(sizeof(*data), PR_NOWAIT); if (data == NULL) return (ENOMEM); error = scsi_do_mode_sense(sc->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(sc->sc_link, SMS_PF, &data->hdr_big, flags, 20000); else error = scsi_mode_select(sc->sc_link, SMS_PF, &data->hdr, flags, 20000); } } dma_free(data, sizeof(*data)); return (error); } /* * Get scsi driver to send a "start playing" command */ int cd_play(struct cd_softc *sc, int secno, int nsecs) { struct scsi_play *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, 0); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->timeout = 200000; cmd = (struct scsi_play *)xs->cmd; cmd->opcode = PLAY; _lto4b(secno, cmd->blk_addr); _lto2b(nsecs, cmd->xfer_len); error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } /* * Get scsi driver to send a "start playing" command */ int cd_play_tracks(struct cd_softc *sc, int strack, int sindex, int etrack, int eindex) { struct cd_toc *toc; u_char endf, ends, endm; int error; if (!etrack) return (EIO); if (strack > etrack) return (EINVAL); toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); if ((error = cd_load_toc(sc, 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(sc, toc->entries[strack].addr.msf.minute, toc->entries[strack].addr.msf.second, toc->entries[strack].addr.msf.frame, endm, ends, endf); done: dma_free(toc, sizeof(*toc)); return (error); } /* * Get scsi driver to send a "play msf" command */ int cd_play_msf(struct cd_softc *sc, int startm, int starts, int startf, int endm, int ends, int endf) { struct scsi_play_msf *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, 0); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->timeout = 20000; cmd = (struct scsi_play_msf *)xs->cmd; cmd->opcode = PLAY_MSF; cmd->start_m = startm; cmd->start_s = starts; cmd->start_f = startf; cmd->end_m = endm; cmd->end_s = ends; cmd->end_f = endf; error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } /* * Get scsi driver to send a "start up" command */ int cd_pause(struct cd_softc *sc, int go) { struct scsi_pause *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, 0); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->timeout = 2000; cmd = (struct scsi_pause *)xs->cmd; cmd->opcode = PAUSE; cmd->resume = go; error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } /* * Get scsi driver to send a "RESET" command */ int cd_reset(struct cd_softc *sc) { struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, SCSI_RESET); if (xs == NULL) return (ENOMEM); xs->timeout = 2000; error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } /* * Read subchannel */ int cd_read_subchannel(struct cd_softc *sc, int mode, int format, int track, struct cd_sub_channel_info *data, int len) { struct scsi_read_subchannel *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN | SCSI_SILENT); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->data = (void *)data; xs->datalen = len; xs->timeout = 5000; cmd = (struct scsi_read_subchannel *)xs->cmd; cmd->opcode = READ_SUBCHANNEL; if (mode == CD_MSF_FORMAT) cmd->byte2 |= CD_MSF; cmd->byte3 = SRS_SUBQ; cmd->subchan_format = format; cmd->track = track; _lto2b(len, cmd->data_len); error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } /* * Read table of contents */ int cd_read_toc(struct cd_softc *sc, int mode, int start, void *data, int len, int control) { struct scsi_read_toc *cmd; struct scsi_xfer *xs; int error; xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN | SCSI_IGNORE_ILLEGAL_REQUEST); if (xs == NULL) return (ENOMEM); xs->cmdlen = sizeof(*cmd); xs->data = data; xs->datalen = len; xs->timeout = 5000; bzero(data, len); cmd = (struct scsi_read_toc *)xs->cmd; cmd->opcode = READ_TOC; if (mode == CD_MSF_FORMAT) cmd->byte2 |= CD_MSF; cmd->from_track = start; _lto2b(len, cmd->data_len); cmd->control = control; error = scsi_xs_sync(xs); scsi_xs_put(xs); return (error); } int cd_load_toc(struct cd_softc *sc, struct cd_toc *toc, int fmt) { int n, len, error; error = cd_read_toc(sc, 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(sc, 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(struct cd_softc *sc, int flags) { /* Reasonable defaults for drives that don't support READ_CAPACITY */ sc->params.secsize = 2048; sc->params.disksize = 400000; if (sc->sc_link->quirks & ADEV_NOCAPACITY) return (0); sc->params.disksize = cd_size(sc->sc_link, flags, &sc->params.secsize); if ((sc->params.secsize < 512) || ((sc->params.secsize & 511) != 0)) sc->params.secsize = 2048; /* some drives lie ! */ if (sc->params.disksize < 100) sc->params.disksize = 400000; return (0); } daddr_t cdsize(dev_t dev) { /* CD-ROMs are read-only. */ return -1; } int cddump(dev_t dev, daddr_t blkno, caddr_t va, size_t size) { /* Not implemented. */ return ENXIO; } #define dvd_copy_key(dst, src) memcpy((dst), (src), DVD_KEY_SIZE) #define dvd_copy_challenge(dst, src) memcpy((dst), (src), DVD_CHALLENGE_SIZE) #define DVD_AUTH_BUFSIZE 20 int dvd_auth(struct cd_softc *sc, union dvd_authinfo *a) { struct scsi_generic *cmd; struct scsi_xfer *xs; u_int8_t *buf; int error; buf = dma_alloc(DVD_AUTH_BUFSIZE, PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, 0); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->timeout = 30000; xs->data = buf; cmd = xs->cmd; switch (a->type) { case DVD_LU_SEND_AGID: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[8] = 8; cmd->bytes[9] = 0 | (0 << 6); xs->datalen = 8; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) a->lsa.agid = buf[7] >> 6; break; case DVD_LU_SEND_CHALLENGE: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[8] = 16; cmd->bytes[9] = 1 | (a->lsc.agid << 6); xs->datalen = 16; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) dvd_copy_challenge(a->lsc.chal, &buf[4]); break; case DVD_LU_SEND_KEY1: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[8] = 12; cmd->bytes[9] = 2 | (a->lsk.agid << 6); xs->datalen = 12; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) dvd_copy_key(a->lsk.key, &buf[4]); break; 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); xs->datalen = 12; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { 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]); } break; case DVD_LU_SEND_ASF: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[8] = 8; cmd->bytes[9] = 5 | (a->lsasf.agid << 6); xs->datalen = 8; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) a->lsasf.asf = buf[7] & 1; break; 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); xs->datalen = 16; xs->flags |= SCSI_DATA_OUT; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) a->type = DVD_LU_SEND_KEY1; break; 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); xs->datalen = 12; xs->flags |= SCSI_DATA_OUT; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) a->type = DVD_AUTH_ESTABLISHED; else a->type = DVD_AUTH_FAILURE; break; case DVD_INVALIDATE_AGID: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[9] = 0x3f | (a->lsa.agid << 6); xs->data = NULL; error = scsi_xs_sync(xs); scsi_xs_put(xs); break; case DVD_LU_SEND_RPC_STATE: cmd->opcode = GPCMD_REPORT_KEY; cmd->bytes[8] = 8; cmd->bytes[9] = 8 | (0 << 6); xs->datalen = 8; xs->flags |= SCSI_DATA_IN; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { a->lrpcs.type = (buf[4] >> 6) & 3; a->lrpcs.vra = (buf[4] >> 3) & 7; a->lrpcs.ucca = (buf[4]) & 7; a->lrpcs.region_mask = buf[5]; a->lrpcs.rpc_scheme = buf[6]; } break; case DVD_HOST_SEND_RPC_STATE: cmd->opcode = GPCMD_SEND_KEY; cmd->bytes[8] = 8; cmd->bytes[9] = 6 | (0 << 6); buf[1] = 6; buf[4] = a->hrpcs.pdrc; xs->datalen = 8; xs->flags |= SCSI_DATA_OUT; error = scsi_xs_sync(xs); scsi_xs_put(xs); break; default: scsi_xs_put(xs); error = ENOTTY; break; } done: dma_free(buf, DVD_AUTH_BUFSIZE); return (error); } #define DVD_READ_PHYSICAL_BUFSIZE (4 + 4 * 20) int dvd_read_physical(struct cd_softc *sc, union dvd_struct *s) { struct scsi_generic *cmd; struct dvd_layer *layer; struct scsi_xfer *xs; u_int8_t *buf, *bufp; int error, i; buf = dma_alloc(DVD_READ_PHYSICAL_BUFSIZE, PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->data = buf; xs->datalen = DVD_READ_PHYSICAL_BUFSIZE; xs->timeout = 30000; cmd = xs->cmd; cmd->opcode = GPCMD_READ_DVD_STRUCTURE; cmd->bytes[6] = s->type; _lto2b(xs->datalen, &cmd->bytes[7]); cmd->bytes[5] = s->physical.layer_num; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { 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; } } done: dma_free(buf, DVD_READ_PHYSICAL_BUFSIZE); return (error); } #define DVD_READ_COPYRIGHT_BUFSIZE 8 int dvd_read_copyright(struct cd_softc *sc, union dvd_struct *s) { struct scsi_generic *cmd; struct scsi_xfer *xs; u_int8_t *buf; int error; buf = dma_alloc(DVD_READ_COPYRIGHT_BUFSIZE, PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->data = buf; xs->datalen = DVD_READ_COPYRIGHT_BUFSIZE; xs->timeout = 30000; cmd = xs->cmd; cmd->opcode = GPCMD_READ_DVD_STRUCTURE; cmd->bytes[6] = s->type; _lto2b(xs->datalen, &cmd->bytes[7]); cmd->bytes[5] = s->copyright.layer_num; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { s->copyright.cpst = buf[4]; s->copyright.rmi = buf[5]; } done: dma_free(buf, DVD_READ_COPYRIGHT_BUFSIZE); return (error); } int dvd_read_disckey(struct cd_softc *sc, union dvd_struct *s) { struct scsi_read_dvd_structure_data *buf; struct scsi_read_dvd_structure *cmd; struct scsi_xfer *xs; int error; buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->data = (void *)buf; xs->datalen = sizeof(*buf); xs->timeout = 30000; cmd = (struct scsi_read_dvd_structure *)xs->cmd; cmd->opcode = GPCMD_READ_DVD_STRUCTURE; cmd->format = s->type; cmd->agid = s->disckey.agid << 6; _lto2b(xs->datalen, cmd->length); error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) memcpy(s->disckey.value, buf->data, sizeof(s->disckey.value)); done: dma_free(buf, sizeof(*buf)); return (error); } #define DVD_READ_BCA_BUFLEN (4 + 188) int dvd_read_bca(struct cd_softc *sc, union dvd_struct *s) { struct scsi_generic *cmd; struct scsi_xfer *xs; u_int8_t *buf; int error; buf = dma_alloc(DVD_READ_BCA_BUFLEN, PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->data = buf; xs->datalen = DVD_READ_BCA_BUFLEN; xs->timeout = 30000; cmd = xs->cmd; cmd->opcode = GPCMD_READ_DVD_STRUCTURE; cmd->bytes[6] = s->type; _lto2b(xs->datalen, &cmd->bytes[7]); error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { s->bca.len = _2btol(&buf[0]); if (s->bca.len < 12 || s->bca.len > 188) return (EIO); memcpy(s->bca.value, &buf[4], s->bca.len); } done: dma_free(buf, DVD_READ_BCA_BUFLEN); return (error); } int dvd_read_manufact(struct cd_softc *sc, union dvd_struct *s) { struct scsi_read_dvd_structure_data *buf; struct scsi_read_dvd_structure *cmd; struct scsi_xfer *xs; int error; buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO); if (buf == NULL) return (ENOMEM); xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); if (xs == NULL) { error = ENOMEM; goto done; } xs->cmdlen = sizeof(*cmd); xs->data = (void *)buf; xs->datalen = sizeof(*buf); xs->timeout = 30000; cmd = (struct scsi_read_dvd_structure *)xs->cmd; cmd->opcode = GPCMD_READ_DVD_STRUCTURE; cmd->format = s->type; _lto2b(xs->datalen, cmd->length); error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error == 0) { s->manufact.len = _2btol(buf->len); if (s->manufact.len >= 0 && s->manufact.len <= 2048) memcpy(s->manufact.value, buf->data, s->manufact.len); else error = EIO; } done: dma_free(buf, sizeof(*buf)); return (error); } int dvd_read_struct(struct cd_softc *sc, union dvd_struct *s) { switch (s->type) { case DVD_STRUCT_PHYSICAL: return (dvd_read_physical(sc, s)); case DVD_STRUCT_COPYRIGHT: return (dvd_read_copyright(sc, s)); case DVD_STRUCT_DISCKEY: return (dvd_read_disckey(sc, s)); case DVD_STRUCT_BCA: return (dvd_read_bca(sc, s)); case DVD_STRUCT_MANUFACT: return (dvd_read_manufact(sc, s)); default: return (EINVAL); } } int cd_interpret_sense(struct scsi_xfer *xs) { struct scsi_sense_data *sense = &xs->sense; struct scsi_link *sc_link = xs->sc_link; u_int8_t skey = sense->flags & SSD_KEY; u_int8_t serr = sense->error_code & SSD_ERRCODE; if (((sc_link->flags & SDEV_OPEN) == 0) || (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED)) return (scsi_interpret_sense(xs)); /* * We do custom processing in cd for the unit becoming ready * case. We do not allow xs->retries to be decremented on the * "Unit Becoming Ready" case. This is because CD drives * report "Unit Becoming Ready" when loading media and can * take a long time. Rather than having a massive timeout for * all operations (which would cause other problems), we allow * operations to wait (but be interruptable with Ctrl-C) * forever as long as the drive is reporting that it is * becoming ready. All other cases of not being ready are * handled by the default handler. */ switch(skey) { case SKEY_NOT_READY: if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0) return (0); if (ASC_ASCQ(sense) == SENSE_NOT_READY_BECOMING_READY) { SC_DEBUG(sc_link, SDEV_DB1, ("not ready: busy (%#x)\n", sense->add_sense_code_qual)); /* don't count this as a retry */ xs->retries++; return (scsi_delay(xs, 1)); } break; /* XXX more to come here for a few other cases */ default: break; } return (scsi_interpret_sense(xs)); } /* * Find out from the device what its capacity is. */ u_int64_t cd_size(struct scsi_link *sc_link, int flags, u_int32_t *blksize) { struct scsi_read_cap_data_16 *rdcap16; struct scsi_read_capacity_16 *cmd; struct scsi_read_cap_data *rdcap; struct scsi_read_capacity *cmd10; struct scsi_xfer *xs; u_int64_t max_addr; int error; if (blksize != NULL) *blksize = 0; CLR(flags, SCSI_IGNORE_ILLEGAL_REQUEST); /* * Start with a READ CAPACITY(10). */ rdcap = dma_alloc(sizeof(*rdcap), ((flags & SCSI_NOSLEEP) ? PR_NOWAIT : PR_WAITOK) | PR_ZERO); if (rdcap == NULL) return (0); xs = scsi_xs_get(sc_link, flags | SCSI_DATA_IN | SCSI_SILENT); if (xs == NULL) { dma_free(rdcap, sizeof(*rdcap)); return (0); } xs->cmdlen = sizeof(*cmd10); xs->data = (void *)rdcap; xs->datalen = sizeof(*rdcap); xs->timeout = 20000; cmd10 = (struct scsi_read_capacity *)xs->cmd; cmd10->opcode = READ_CAPACITY; error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error) { SC_DEBUG(sc_link, SDEV_DB1, ("READ CAPACITY error (%#x)\n", error)); dma_free(rdcap, sizeof(*rdcap)); return (0); } max_addr = _4btol(rdcap->addr); if (blksize != NULL) *blksize = _4btol(rdcap->length); dma_free(rdcap, sizeof(*rdcap)); if (SCSISPC(sc_link->inqdata.version) < 3 && max_addr != 0xffffffff) goto exit; /* * SCSI-3 devices, or devices reporting more than 2^32-1 sectors can * try READ CAPACITY(16). */ rdcap16 = dma_alloc(sizeof(*rdcap16), ((flags & SCSI_NOSLEEP) ? PR_NOWAIT : PR_WAITOK) | PR_ZERO); if (rdcap16 == NULL) goto exit; xs = scsi_xs_get(sc_link, flags | SCSI_DATA_IN | SCSI_SILENT); if (xs == NULL) { dma_free(rdcap16, sizeof(*rdcap16)); goto exit; } xs->cmdlen = sizeof(*cmd); xs->data = (void *)rdcap16; xs->datalen = sizeof(*rdcap16); xs->timeout = 20000; cmd = (struct scsi_read_capacity_16 *)xs->cmd; cmd->opcode = READ_CAPACITY_16; cmd->byte2 = SRC16_SERVICE_ACTION; _lto4b(sizeof(*rdcap16), cmd->length); error = scsi_xs_sync(xs); scsi_xs_put(xs); if (error) { SC_DEBUG(sc_link, SDEV_DB1, ("READ CAPACITY 16 error (%#x)\n", error)); dma_free(rdcap16, sizeof(*rdcap16)); goto exit; } max_addr = _8btol(rdcap16->addr); if (blksize != NULL) *blksize = _4btol(rdcap16->length); /* XXX The other READ CAPACITY(16) info could be stored away. */ dma_free(rdcap16, sizeof(*rdcap16)); return (max_addr + 1); exit: /* Return READ CAPACITY 10 values. */ if (max_addr != 0xffffffff) return (max_addr + 1); else if (blksize != NULL) *blksize = 0; return (0); } #if defined(__macppc__) int cd_eject(void) { struct cd_softc *sc; int error = 0; if (cd_cd.cd_ndevs == 0 || (sc = cd_cd.cd_devs[0]) == NULL) return (ENXIO); if ((error = disk_lock(&sc->sc_dk)) != 0) return (error); if (sc->sc_dk.dk_openmask == 0) { sc->sc_link->flags |= SDEV_EJECTING; scsi_prevent(sc->sc_link, PR_ALLOW, SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_SILENT | SCSI_IGNORE_MEDIA_CHANGE); sc->sc_link->flags &= ~SDEV_MEDIA_LOADED; scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0); sc->sc_link->flags &= ~SDEV_EJECTING; } disk_unlock(&sc->sc_dk); return (error); } #endif