/* $NetBSD: cd.c,v 1.356 2024/12/01 20:23:45 andvar Exp $ */ /*- * Copyright (c) 1998, 2001, 2003, 2004, 2005, 2008 The NetBSD Foundation, * Inc. All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * MMC framework implemented and contributed to the NetBSD Foundation by * Reinoud Zandijk. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.356 2024/12/01 20:23:45 andvar Exp $"); #include #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 */ #include /* from there */ #include /* rw comes from there */ #include #include #include #include #define CDUNIT(z) DISKUNIT(z) #define CDPART(z) DISKPART(z) #define CDMINOR(unit, part) DISKMINOR(unit, part) #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 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ #define CD_TOC_MSINFO 1 /* multi-session info */ #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ #define CD_TOC_ATIP 4 /* pressed space of recordable */ #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ #define P5LEN 0x32 #define MS5LEN (P5LEN + 8 + 2) struct cd_formatted_toc { struct ioc_toc_header header; struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ /* leadout */ }; struct cdbounce { struct buf *obp; /* original buf */ struct buf *lbp; /* first buffer */ struct buf *rbp; /* second buffer */ int lerr; /* error returned for first buffer */ int rerr; /* error returned for second buffer */ int head; /* bytes skipped at the start */ int lcount; /* bytes copied to first buffer */ int rcount; /* bytes copied to second buffer */ }; static void cdstart(struct scsipi_periph *); static void cdrestart(void *); static void cdminphys(struct buf *); static void cddone(struct scsipi_xfer *, int); static int cd_interpret_sense(struct scsipi_xfer *); static int cd_diskstart(device_t, struct buf *); static void cd_iosize(device_t, int *); static int cd_lastclose(device_t); static int cd_firstopen(device_t, dev_t, int, int); static void cd_label(device_t, struct disklabel *); static u_long cd_size(struct cd_softc *, int); static int cd_play(struct cd_softc *, int, int); static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, int, int, int, int); static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); static int cd_pause(struct cd_softc *, int); static int cd_reset(struct cd_softc *); static int cd_read_subchannel(struct cd_softc *, int, int, int, struct cd_sub_channel_info *, int, int); static int cd_read_toc(struct cd_softc *, int, int, int, struct cd_formatted_toc *, int, int, int); static int cd_get_parms(struct cd_softc *, int); static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); static int cdcachesync(struct scsipi_periph *periph, int flags); static int dvd_auth(struct cd_softc *, dvd_authinfo *); static int dvd_read_physical(struct cd_softc *, dvd_struct *); static int dvd_read_copyright(struct cd_softc *, dvd_struct *); static int dvd_read_disckey(struct cd_softc *, dvd_struct *); static int dvd_read_bca(struct cd_softc *, dvd_struct *); static int dvd_read_manufact(struct cd_softc *, dvd_struct *); static int dvd_read_struct(struct cd_softc *, dvd_struct *); static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, int, int *); static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, int, int); static int cd_setchan(struct cd_softc *, int, int, int, int, int); static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); static int cd_set_pa_immed(struct cd_softc *, int); static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); static int cd_setblksize(struct cd_softc *); static int cdmatch(device_t, cfdata_t, void *); static void cdattach(device_t, device_t, void *); static int cddetach(device_t, int); static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); static int mmc_do_op(struct scsipi_periph *, struct mmc_op *); static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *); static void cd_set_geometry(struct cd_softc *); CFATTACH_DECL3_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, NULL, NULL, NULL, DVF_DETACH_SHUTDOWN); extern struct cfdriver cd_cd; static const struct scsipi_inquiry_pattern cd_patterns[] = { {T_CDROM, T_REMOV, "", "", ""}, {T_WORM, T_REMOV, "", "", ""}, #if 0 {T_CDROM, T_REMOV, /* more luns */ "PIONEER ", "CD-ROM DRM-600 ", ""}, #endif {T_DIRECT, T_REMOV, "NEC CD-ROM DRIVE:260", "", ""}, }; static dev_type_open(cdopen); static dev_type_close(cdclose); static dev_type_read(cdread); static dev_type_write(cdwrite); static dev_type_ioctl(cdioctl); static dev_type_strategy(cdstrategy); static dev_type_dump(cddump); static dev_type_size(cdsize); const struct bdevsw cd_bdevsw = { .d_open = cdopen, .d_close = cdclose, .d_strategy = cdstrategy, .d_ioctl = cdioctl, .d_dump = cddump, .d_psize = cdsize, .d_discard = nodiscard, .d_flag = D_DISK | D_MPSAFE }; const struct cdevsw cd_cdevsw = { .d_open = cdopen, .d_close = cdclose, .d_read = cdread, .d_write = cdwrite, .d_ioctl = cdioctl, .d_stop = nostop, .d_tty = notty, .d_poll = nopoll, .d_mmap = nommap, .d_kqfilter = nokqfilter, .d_discard = nodiscard, .d_flag = D_DISK | D_MPSAFE }; static const struct dkdriver cddkdriver = { .d_open = cdopen, .d_close = cdclose, .d_strategy = cdstrategy, .d_minphys = cdminphys, .d_diskstart = cd_diskstart, .d_firstopen = cd_firstopen, .d_lastclose = cd_lastclose, .d_label = cd_label, }; static const struct scsipi_periphsw cd_switch = { cd_interpret_sense, /* use our error handler first */ 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 */ }; /* * The routine called by the low level scsi routine when it discovers * A device suitable for this driver */ static int cdmatch(device_t parent, cfdata_t match, void *aux) { struct scsipibus_attach_args *sa = aux; int priority; (void)scsipi_inqmatch(&sa->sa_inqbuf, cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), sizeof(cd_patterns[0]), &priority); return (priority); } static void cdattach(device_t parent, device_t self, void *aux) { struct cd_softc *cd = device_private(self); struct dk_softc *dksc = &cd->sc_dksc; struct scsipibus_attach_args *sa = aux; struct scsipi_periph *periph = sa->sa_periph; int dtype; SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); switch (SCSIPI_BUSTYPE_TYPE(scsipi_periph_bustype(sa->sa_periph))) { case SCSIPI_BUSTYPE_SCSI: dtype = DKTYPE_SCSI; if (periph->periph_version == 0) cd->flags |= CDF_ANCIENT; break; case SCSIPI_BUSTYPE_ATAPI: dtype = DKTYPE_ATAPI; break; default: dtype = DKTYPE_UNKNOWN; break; } /* * Initialize and attach the disk structure. */ dk_init(dksc, self, dtype); disk_init(&dksc->sc_dkdev, dksc->sc_xname, &cddkdriver); dk_attach(dksc); disk_attach(&dksc->sc_dkdev); bufq_alloc(&dksc->sc_bufq, "disksort", BUFQ_SORT_RAWBLOCK); callout_init(&cd->sc_callout, 0); /* * Store information needed to contact our base driver */ cd->sc_periph = periph; periph->periph_dev = dksc->sc_dev; periph->periph_switch = &cd_switch; /* * Increase our openings to the maximum-per-periph * supported by the adapter. This will either be * clamped down or grown by the adapter if necessary. */ periph->periph_openings = SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); periph->periph_flags |= PERIPH_GROW_OPENINGS; aprint_naive("\n"); aprint_normal("\n"); if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); } static int cddetach(device_t self, int flags) { struct cd_softc *cd = device_private(self); struct dk_softc *dksc = &cd->sc_dksc; struct scsipi_periph *periph = cd->sc_periph; struct scsipi_channel *chan = periph->periph_channel; int bmaj, cmaj, i, mn, rc; if ((rc = disk_begindetach(&dksc->sc_dkdev, cd_lastclose, self, flags)) != 0) return rc; /* locate the major number */ bmaj = bdevsw_lookup_major(&cd_bdevsw); cmaj = cdevsw_lookup_major(&cd_cdevsw); /* Nuke the vnodes for any open instances */ for (i = 0; i < MAXPARTITIONS; i++) { mn = CDMINOR(device_unit(self), i); vdevgone(bmaj, mn, mn, VBLK); vdevgone(cmaj, mn, mn, VCHR); } /* kill any pending restart */ callout_halt(&cd->sc_callout, NULL); dk_drain(dksc); /* Kill off any pending commands. */ mutex_enter(chan_mtx(chan)); scsipi_kill_pending(cd->sc_periph); mutex_exit(chan_mtx(chan)); bufq_free(dksc->sc_bufq); /* Detach from the disk list. */ disk_detach(&dksc->sc_dkdev); disk_destroy(&dksc->sc_dkdev); dk_detach(dksc); callout_destroy(&cd->sc_callout); pmf_device_deregister(self); return (0); } /* * Serialized by caller */ static int cd_firstopen(device_t self, dev_t dev, int flag, int fmt) { struct cd_softc *cd = device_private(self); struct scsipi_periph *periph = cd->sc_periph; struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; int error, silent; int part; part = CDPART(dev); error = scsipi_adapter_addref(adapt); if (error) return error; if ((part == RAW_PART && fmt == S_IFCHR) || (flag & FSILENT)) silent = XS_CTL_SILENT; else silent = 0; /* make cdclose() silent */ cd->flags |= CDF_EJECTED; /* Check that it is still responding and ok. */ error = scsipi_test_unit_ready(periph, XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | XS_CTL_SILENT); /* * Start the pack spinning if necessary. Always allow the * raw partition to be opened, for raw IOCTLs. Data transfers * will check for SDEV_MEDIA_LOADED. */ if (error == EIO) { error = scsipi_start(periph, SSS_START, silent); if (error == EINVAL) error = EIO; } if (error) { if (part == RAW_PART) goto out; goto bad; } /* Lock the pack in. */ error = scsipi_prevent(periph, SPAMR_PREVENT_DT, XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); SC_DEBUG(periph, SCSIPI_DB1, ("cdopen: scsipi_prevent, error=%d\n", error)); if (error) { if (part == RAW_PART) goto out; goto bad; } if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { int param_error; /* Load the physical device parameters. */ param_error = cd_get_parms(cd, 0); if (param_error == CDGP_RESULT_OFFLINE) { error = ENXIO; goto bad2; } periph->periph_flags |= PERIPH_MEDIA_LOADED; SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); cd_set_geometry(cd); /* make cdclose() loud again */ cd->flags &= ~CDF_EJECTED; } periph->periph_flags |= PERIPH_OPEN; out: return 0; bad2: scsipi_prevent(periph, SPAMR_ALLOW, XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | XS_CTL_SILENT); bad: scsipi_adapter_delref(adapt); return error; } /* * open the device. Make sure the partition info is a up-to-date as can be. */ static int cdopen(dev_t dev, int flag, int fmt, struct lwp *l) { struct cd_softc *cd; struct dk_softc *dksc; struct scsipi_periph *periph; int unit, part; int error; unit = CDUNIT(dev); cd = device_lookup_private(&cd_cd, unit); if (cd == NULL) return (ENXIO); dksc = &cd->sc_dksc; periph = cd->sc_periph; part = CDPART(dev); SC_DEBUG(periph, SCSIPI_DB1, ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %d)\n", dev, unit, cd_cd.cd_ndevs, CDPART(dev))); /* * If any partition is open, but the disk has been invalidated, * disallow further opens of non-raw partition */ if ((periph->periph_flags & (PERIPH_OPEN | PERIPH_MEDIA_LOADED)) == PERIPH_OPEN) { if (part != RAW_PART || fmt != S_IFCHR) return EIO; } error = dk_open(dksc, dev, flag, fmt, l); SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); return error; } /* * Serialized by caller */ static int cd_lastclose(device_t self) { struct cd_softc *cd = device_private(self); struct scsipi_periph *periph = cd->sc_periph; struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; int silent; if ((cd->flags & CDF_EJECTED) != 0 || (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) silent = XS_CTL_SILENT; else silent = 0; cdcachesync(periph, silent); scsipi_wait_drain(periph); scsipi_prevent(periph, SPAMR_ALLOW, XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_NOT_READY | XS_CTL_SILENT); periph->periph_flags &= ~PERIPH_OPEN; scsipi_wait_drain(periph); scsipi_adapter_delref(adapt); return 0; } /* * close the device.. only called if we are the LAST * occurrence of an open device */ static int cdclose(dev_t dev, int flag, int fmt, struct lwp *l) { struct cd_softc *cd; struct dk_softc *dksc; int unit; unit = CDUNIT(dev); cd = device_lookup_private(&cd_cd, unit); dksc = &cd->sc_dksc; return dk_close(dksc, dev, flag, fmt, l); } static void cd_bounce_buffer_done(struct buf *bp) { struct cdbounce *bounce = bp->b_private; struct buf *obp = bounce->obp; if (bp == bounce->lbp) { if ((bounce->lerr = bp->b_error) == 0) memcpy(obp->b_data, (char *)bp->b_data + bounce->head, bounce->lcount); bounce->lbp = NULL; } if (bp == bounce->rbp) { if ((bounce->rerr = bp->b_error) == 0) memcpy((char *)obp->b_data + bounce->lcount, bp->b_data, bounce->rcount); bounce->rbp = NULL; } free(bp->b_data, M_DEVBUF); putiobuf(bp); if (bounce->lbp != NULL || bounce->rbp != NULL) return; obp->b_error = bounce->rerr; if (bounce->lerr) obp->b_error = bounce->lerr; obp->b_resid = 0; if (obp->b_error) obp->b_resid = obp->b_bcount; free(bounce, M_DEVBUF); biodone(obp); } static int cd_make_bounce_buffer(struct cd_softc *cd, struct buf *bp, daddr_t blkno, int count, struct buf **nbpp, void *priv) { struct buf *nbp; /* We don't support bouncing writes */ if ((bp->b_flags & B_READ) == 0) return EACCES; /* XXX */ nbp = getiobuf(NULL, false); if (nbp == NULL) return ENOMEM; nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); if (nbp->b_data == NULL) { putiobuf(nbp); return ENOMEM; } /* Set up the IOP to the bounce buffer */ nbp->b_error = 0; nbp->b_dev = bp->b_dev; nbp->b_proc = bp->b_proc; nbp->b_bcount = count; nbp->b_bufsize = count; nbp->b_blkno = blkno; nbp->b_flags = bp->b_flags | B_READ; nbp->b_oflags = bp->b_oflags; nbp->b_cflags = bp->b_cflags; nbp->b_iodone = cd_bounce_buffer_done; nbp->b_private = priv; BIO_COPYPRIO(nbp, bp); *nbpp = nbp; return 0; } static int cd_make_bounce(struct cd_softc *cd, struct buf *bp, struct cdbounce **bouncep) { struct dk_softc *dksc = &cd->sc_dksc; unsigned secsize = dksc->sc_dkdev.dk_geom.dg_secsize; struct cdbounce *bounce; int bps, nblks, skip, total, count; daddr_t blkno; struct buf *lbp, *rbp; int error; bounce = malloc(sizeof(struct cdbounce), M_DEVBUF, M_NOWAIT|M_ZERO); if (bounce == NULL) return ENOMEM; bps = howmany(secsize, DEV_BSIZE); nblks = howmany(bp->b_bcount, DEV_BSIZE); skip = bp->b_blkno % bps; blkno = bp->b_blkno - skip; total = roundup(nblks + skip, bps) * DEV_BSIZE; count = total; cd_iosize(dksc->sc_dev, &count); bounce->head = skip * DEV_BSIZE; bounce->lcount = imin(count - bounce->head, bp->b_bcount); bounce->rcount = bp->b_bcount - bounce->lcount; error = cd_make_bounce_buffer(cd, bp, blkno, count, &lbp, bounce); if (error) goto bad; blkno += howmany(count, DEV_BSIZE); count = total - count; if (count > 0) { error = cd_make_bounce_buffer(cd, bp, blkno, count, &rbp, bounce); if (error) { free(lbp->b_data, M_DEVBUF); putiobuf(lbp); goto bad; } } else rbp = NULL; bounce->obp = bp; bounce->lbp = lbp; bounce->rbp = rbp; *bouncep = bounce; return 0; bad: free(bounce, M_DEVBUF); return error; } /* * 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. */ static void cdstrategy(struct buf *bp) { struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); struct dk_softc *dksc = &cd->sc_dksc; struct scsipi_periph *periph = cd->sc_periph; int error; SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); SC_DEBUG(cd->sc_periph, SCSIPI_DB1, ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); /* * If the device has been made invalid, error out * maybe the media changed */ if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { if (periph->periph_flags & PERIPH_OPEN) error = EIO; else error = ENODEV; goto bad; } /* * If label and device don't agree in sector size use a bounce buffer */ if (dksc->sc_dkdev.dk_label->d_secsize != dksc->sc_dkdev.dk_geom.dg_secsize) { struct cdbounce *bounce = NULL; error = cd_make_bounce(cd, bp, &bounce); if (error) goto bad; dk_strategy(dksc, bounce->lbp); if (bounce->rbp != NULL) dk_strategy(dksc, bounce->rbp); return; } dk_strategy(dksc, bp); return; bad: bp->b_error = error; bp->b_resid = bp->b_bcount; biodone(bp); } /* * Issue single I/O command * * Called from dk_start and implicitly from dk_strategy */ static int cd_diskstart(device_t dev, struct buf *bp) { struct cd_softc *cd = device_private(dev); struct scsipi_periph *periph = cd->sc_periph; struct scsipi_channel *chan = periph->periph_channel; struct scsipi_rw_10 cmd_big; struct scsi_rw_6 cmd_small; struct scsipi_generic *cmdp; struct scsipi_xfer *xs; int error, flags, nblks, cmdlen; SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); mutex_enter(chan_mtx(chan)); if (periph->periph_active >= periph->periph_openings) { error = EAGAIN; goto out; } /* * 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 (periph->periph_flags & PERIPH_WAITING) { periph->periph_flags &= ~PERIPH_WAITING; cv_broadcast(periph_cv_periph(periph)); error = EAGAIN; goto out; } /* * If the device has become invalid, abort all the * reads and writes until all files have been closed and * re-opened */ if (__predict_false( (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { error = EIO; goto out; } nblks = howmany(bp->b_bcount, cd->params.blksize); /* * Fill out the scsi command. If the transfer will * fit in a "small" cdb, use it. */ if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && ((nblks & 0xff) == nblks) && !(periph->periph_quirks & PQUIRK_ONLYBIG)) { /* * We can fit in a small cdb. */ memset(&cmd_small, 0, sizeof(cmd_small)); cmd_small.opcode = (bp->b_flags & B_READ) ? SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; _lto3b(bp->b_rawblkno, cmd_small.addr); cmd_small.length = nblks & 0xff; cmdlen = sizeof(cmd_small); cmdp = (struct scsipi_generic *)&cmd_small; } else { /* * Need a large cdb. */ memset(&cmd_big, 0, sizeof(cmd_big)); cmd_big.opcode = (bp->b_flags & B_READ) ? READ_10 : WRITE_10; _lto4b(bp->b_rawblkno, cmd_big.addr); _lto2b(nblks, cmd_big.length); cmdlen = sizeof(cmd_big); cmdp = (struct scsipi_generic *)&cmd_big; } /* * Figure out what flags to use. */ flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; if (bp->b_flags & B_READ) flags |= XS_CTL_DATA_IN; else flags |= XS_CTL_DATA_OUT; /* * Call the routine that chats with the adapter. * Note: we cannot sleep as we may be an interrupt */ xs = scsipi_make_xs_locked(periph, cmdp, cmdlen, (u_char *)bp->b_data, bp->b_bcount, CDRETRIES, 30000, bp, flags); if (__predict_false(xs == NULL)) { /* * out of memory. Keep this buffer in the queue, and * retry later. */ callout_reset(&cd->sc_callout, hz / 2, cdrestart, cd); error = EAGAIN; goto out; } error = scsipi_execute_xs(xs); /* with a scsipi_xfer preallocated, scsipi_command can't fail */ KASSERT(error == 0); out: mutex_exit(chan_mtx(chan)); return error; } /* * Recover I/O request after memory shortage * * Called from callout */ static void cdrestart(void *v) { struct cd_softc *cd = v; struct dk_softc *dksc = &cd->sc_dksc; dk_start(dksc, NULL); } /* * Recover I/O request after memory shortage * * Called from scsipi midlayer when resources have been freed * with channel lock held */ static void cdstart(struct scsipi_periph *periph) { struct cd_softc *cd = device_private(periph->periph_dev); struct dk_softc *dksc = &cd->sc_dksc; struct scsipi_channel *chan = periph->periph_channel; /* * release channel lock as dk_start may need to acquire * other locks * * cdstart is called from scsipi_put_xs and all its callers * release the lock afterwards. So releasing it here * doesn't matter. */ mutex_exit(chan_mtx(chan)); dk_start(dksc, NULL); mutex_enter(chan_mtx(chan)); } static void cddone(struct scsipi_xfer *xs, int error) { struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); struct dk_softc *dksc = &cd->sc_dksc; struct buf *bp = xs->bp; if (bp) { bp->b_error = error; bp->b_resid = xs->resid; if (error) { /* on a read/write error bp->b_resid is zero, so fix */ bp->b_resid = bp->b_bcount; } dk_done(dksc, bp); /* dk_start is called from scsipi_complete */ } } static int cd_interpret_sense(struct scsipi_xfer *xs) { struct scsipi_periph *periph = xs->xs_periph; struct scsi_sense_data *sense = &xs->sense.scsi_sense; int retval = EJUSTRETURN; /* * If it isn't an extended or extended/deferred error, let * the generic code handle it. */ if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) return (retval); /* * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then * wait a bit for the drive to spin up */ if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && (sense->asc == 0x04) && (sense->ascq == 0x01)) { /* * Sleep for 5 seconds to wait for the drive to spin up */ SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " "spinup\n")); if (!callout_pending(&periph->periph_callout)) scsipi_periph_freeze(periph, 1); callout_reset(&periph->periph_callout, 5 * hz, scsipi_periph_timed_thaw, periph); retval = ERESTART; } /* * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not * Ready, Operation In Progress" (Sense code 0x04, 0x07), * then wait for the specified time */ if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && (sense->asc == 0x04) && (sense->ascq == 0x07)) { /* * we could listen to the delay; but it looks like the skey * data is not always returned. */ /* cd_delay = _2btol(sense->sks.sks_bytes); */ /* wait for a half second and get going again */ if (!callout_pending(&periph->periph_callout)) scsipi_periph_freeze(periph, 1); callout_reset(&periph->periph_callout, hz/2, scsipi_periph_timed_thaw, periph); retval = ERESTART; } /* * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in * progress" (Sense code 0x04, 0x08), then wait for the specified * time */ if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && (sense->asc == 0x04) && (sense->ascq == 0x08)) { /* * long write in process; we could listen to the delay; but it * looks like the skey data is not always returned. */ /* cd_delay = _2btol(sense->sks.sks_bytes); */ /* wait for a half second and get going again */ if (!callout_pending(&periph->periph_callout)) scsipi_periph_freeze(periph, 1); callout_reset(&periph->periph_callout, hz/2, scsipi_periph_timed_thaw, periph); retval = ERESTART; } return (retval); } static void cdminphys(struct buf *bp) { struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); struct dk_softc *dksc = &cd->sc_dksc; long xmax; /* * 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) { xmax = dksc->sc_dkdev.dk_geom.dg_secsize * 0xff; if (bp->b_bcount > xmax) bp->b_bcount = xmax; } scsipi_adapter_minphys(cd->sc_periph->periph_channel, bp); } static void cd_iosize(device_t dev, int *count) { struct buf B; int bmaj; bmaj = bdevsw_lookup_major(&cd_bdevsw); B.b_dev = MAKECDDEV(bmaj,device_unit(dev),RAW_PART); B.b_bcount = *count; cdminphys(&B); *count = B.b_bcount; } static int cdread(dev_t dev, struct uio *uio, int ioflag) { return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); } static int cdwrite(dev_t dev, struct uio *uio, int ioflag) { return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); } #if 0 /* XXX Not used */ /* * conversion between minute-seconde-frame and logical block address * addresses format */ static void lba2msf(u_long lba, u_char *m, u_char *s, u_char *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; } #endif /* XXX Not used */ /* * Convert an hour:minute:second:frame address to a logical block address. In * theory the number of secs/minute and number of frames/second could be * configured differently in the device as could the block offset but in * practice these values are rock solid and most drives don't even allow * theses values to be changed. */ static uint32_t hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) { return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) - CD_BLOCK_OFFSET; } static int cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) { struct scsipi_periph *periph = cd->sc_periph; int error; struct cd_toc_entry *cte; error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 0, 0x40 /* control word for "get MS info" */); if (error) return (error); cte = &toc->entries[0]; if (periph->periph_quirks & PQUIRK_LITTLETOC) { cte->addr.lba = le32toh(cte->addr.lba); toc->header.len = le16toh(toc->header.len); } else { cte->addr.lba = be32toh(cte->addr.lba); toc->header.len = be16toh(toc->header.len); } *addr = (toc->header.len >= 10 && cte->track > 1) ? cte->addr.lba : 0; return 0; } /* synchronise caches code from cd.c, move to scsipi_ioctl.c ? */ static int cdcachesync(struct scsipi_periph *periph, int flags) { struct scsi_synchronize_cache_10 cmd; /* * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 * and length 0 as it can't synchronise parts of the disc per spec. * We ignore ILLEGAL REQUEST in the event that the command is not * supported by the device, and poll for completion so that we know * that the cache has actually been flushed. * * XXX should we handle the PQUIRK_NOSYNCCACHE ? */ memset(&cmd, 0, sizeof(cmd)); cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); } static int do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, struct cd_formatted_toc *toc) { /* READ TOC format 0 command, entries */ struct ioc_toc_header *th; struct cd_toc_entry *cte; u_int len = te->data_len; int ntracks; int error; th = &toc->header; if (len > sizeof(toc->entries) || len < sizeof(toc->entries[0])) return (EINVAL); error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, te->starting_track, toc, sizeof(toc->header) + len, 0, 0); if (error) return (error); 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_periph->periph_quirks & PQUIRK_LITTLETOC) cte->addr.lba = le32toh(cte->addr.lba); else cte->addr.lba = be32toh(cte->addr.lba); } if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) th->len = le16toh(th->len); else th->len = be16toh(th->len); return 0; } /* * Perform special action on behalf of the user. * Knows about the internals of this device */ static int cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) { struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); struct dk_softc *dksc = &cd->sc_dksc; struct scsipi_periph *periph = cd->sc_periph; struct cd_formatted_toc toc; int part = CDPART(dev); int error; SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); /* * If the device is not valid, some IOCTLs can still be * handled on the raw partition. Check this here. */ if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && part != RAW_PART) return (EIO); switch (cmd) { case DIOCTUR: { /* test unit ready */ error = scsipi_test_unit_ready(cd->sc_periph, XS_CTL_SILENT); *((int*)addr) = (error == 0); if (error == ENODEV || error == EIO || error == 0) return 0; return error; } case CDIOCPLAYTRACKS: { /* PLAY_MSF command */ struct ioc_play_track *args = addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) return (error); return (cd_play_tracks(cd, &toc, args->start_track, args->start_index, args->end_track, args->end_index)); } case CDIOCPLAYMSF: { /* PLAY_MSF command */ struct ioc_play_msf *args = addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) return (error); return (cd_play_msf(cd, args->start_m, args->start_s, args->start_f, args->end_m, args->end_s, args->end_f)); } case CDIOCPLAYBLOCKS: { /* PLAY command */ struct ioc_play_blocks *args = addr; if ((error = cd_set_pa_immed(cd, 0)) != 0) return (error); return (cd_play(cd, args->blk, args->len)); } case CDIOCREADSUBCHANNEL: { /* READ_SUBCHANNEL command */ struct ioc_read_subchannel *args = addr; struct cd_sub_channel_info data; u_int len = args->data_len; if (len > sizeof(data) || len < sizeof(struct cd_sub_channel_header)) return (EINVAL); error = cd_read_subchannel(cd, args->address_format, args->data_format, args->track, &data, len, 0); if (error) return (error); len = uimin(len, _2btol(data.header.data_len) + sizeof(struct cd_sub_channel_header)); return (copyout(&data, args->data, len)); } case CDIOCREADSUBCHANNEL_BUF: { /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ struct ioc_read_subchannel_buf *args = addr; if (args->req.data_len != sizeof args->info) return EINVAL; return cd_read_subchannel(cd, args->req.address_format, args->req.data_format, args->req.track, &args->info, sizeof(args->info), 0); } case CDIOREADTOCHEADER: { /* READ TOC format 0 command, static header */ if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, &toc, sizeof(toc.header), 0, 0)) != 0) return (error); if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) toc.header.len = le16toh(toc.header.len); else toc.header.len = be16toh(toc.header.len); memcpy(addr, &toc.header, sizeof(toc.header)); return (0); } case CDIOREADTOCENTRYS: { struct ioc_read_toc_entry *te = addr; error = do_cdioreadentries(cd, te, &toc); if (error != 0) return error; return copyout(toc.entries, te->data, uimin(te->data_len, toc.header.len - (sizeof(toc.header.starting_track) + sizeof(toc.header.ending_track)))); } case CDIOREADTOCENTRIES_BUF: { struct ioc_read_toc_entry_buf *te = addr; error = do_cdioreadentries(cd, &te->req, &toc); if (error != 0) return error; memcpy(te->entry, toc.entries, uimin(te->req.data_len, toc.header.len - (sizeof(toc.header.starting_track) + sizeof(toc.header.ending_track)))); return 0; } case CDIOREADMSADDR: { /* READ TOC format 0 command, length of first track only */ int sessno = *(int*)addr; if (sessno != 0) return (EINVAL); return (cdreadmsaddr(cd, &toc, addr)); } case CDIOCSETPATCH: { struct ioc_patch *arg = addr; return (cd_setchan(cd, arg->patch[0], arg->patch[1], arg->patch[2], arg->patch[3], 0)); } case CDIOCGETVOL: { /* MODE SENSE command (AUDIO page) */ struct ioc_vol *arg = addr; return (cd_getvol(cd, arg, 0)); } case CDIOCSETVOL: { /* MODE SENSE/MODE SELECT commands (AUDIO page) */ struct ioc_vol *arg = addr; return (cd_setvol(cd, arg, 0)); } case CDIOCSETMONO: /* MODE SENSE/MODE SELECT commands (AUDIO page) */ return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); case CDIOCSETSTEREO: /* MODE SENSE/MODE SELECT commands (AUDIO page) */ return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); case CDIOCSETMUTE: /* MODE SENSE/MODE SELECT commands (AUDIO page) */ return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); case CDIOCSETLEFT: /* MODE SENSE/MODE SELECT commands (AUDIO page) */ return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); case CDIOCSETRIGHT: /* MODE SENSE/MODE SELECT commands (AUDIO page) */ return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); case CDIOCRESUME: /* PAUSE command */ return (cd_pause(cd, PA_RESUME)); case CDIOCPAUSE: /* PAUSE command */ return (cd_pause(cd, PA_PAUSE)); case CDIOCSTART: return (scsipi_start(periph, SSS_START, 0)); case CDIOCSTOP: return (scsipi_start(periph, SSS_STOP, 0)); case CDIOCCLOSE: return (scsipi_start(periph, SSS_START|SSS_LOEJ, XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); case DIOCEJECT: if (*(int *)addr == 0) { int pmask = __BIT(part); /* * Don't force eject: check that we are the only * partition open. If so, unlock it. */ if (DK_BUSY(dksc, pmask) == 0) { error = scsipi_prevent(periph, SPAMR_ALLOW, XS_CTL_IGNORE_NOT_READY); if (error) return (error); } else { return (EBUSY); } } /* FALLTHROUGH */ case CDIOCEJECT: /* FALLTHROUGH */ case ODIOCEJECT: error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0); if (error == 0) /* Make sure cdclose() will do silent operations */ cd->flags |= CDF_EJECTED; return error; case DIOCCACHESYNC: /* SYNCHRONISE CACHES command */ return (cdcachesync(periph, 0)); case CDIOCALLOW: return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); case CDIOCPREVENT: return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); case DIOCLOCK: return (scsipi_prevent(periph, (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); case CDIOCSETDEBUG: cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); return (0); case CDIOCCLRDEBUG: cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); return (0); case CDIOCRESET: case SCIOCRESET: return (cd_reset(cd)); case CDIOCLOADUNLOAD: /* LOAD_UNLOAD command */ return (cd_load_unload(cd, addr)); case DVD_AUTH: /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ return (dvd_auth(cd, addr)); case DVD_READ_STRUCT: /* GPCMD_READ_DVD_STRUCTURE command */ return (dvd_read_struct(cd, addr)); case MMCGETDISCINFO: /* * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands */ return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); case MMCGETTRACKINFO: /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); case MMCOP: /* * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, * SYNCHRONISE_CACHE commands */ return mmc_do_op(periph, (struct mmc_op *) addr); case MMCSETUPWRITEPARAMS : /* MODE SENSE page 5, MODE_SELECT page 5 commands */ return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); default: error = dk_ioctl(dksc, dev, cmd, addr, flag, l); if (error == ENOTTY) error = scsipi_do_ioctl(periph, dev, cmd, addr, flag, l); return (error); } #ifdef DIAGNOSTIC panic("cdioctl: impossible"); #endif } static void cd_label(device_t self, struct disklabel *lp) { struct cd_softc *cd = device_private(self); struct scsipi_periph *periph = cd->sc_periph; struct cd_formatted_toc toc; int lastsession = 0; strncpy(lp->d_typename, "optical media", 16); lp->d_rpm = 300; lp->d_flags |= D_REMOVABLE; if ((periph->periph_flags & PERIPH_MEDIA_LOADED) != 0) { lp->d_flags |= D_SCSI_MMC; (void) cdreadmsaddr(cd, &toc, &lastsession); } lp->d_partitions[0].p_offset = 0; lp->d_partitions[0].p_size = lp->d_secperunit; lp->d_partitions[0].p_cdsession = lastsession; lp->d_partitions[0].p_fstype = FS_ISO9660; 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_UDF; } /* * Reading a disc's total capacity is apparently a very difficult issue for the * SCSI standardisation group. Every disc type seems to have its own * (re)invented size request method and modifiers. The failsafe way of * determining the total (max) capacity i.e. not the recorded capacity but the * total maximum capacity is to request the info on the last track and * calculate the last lba. * * For ROM drives, we go for the CD recorded capacity. For recordable devices * we count. */ static int read_cd_capacity(struct scsipi_periph *periph, uint32_t *blksize, u_long *last_lba) { struct scsipi_read_cd_capacity cap_cmd; /* * XXX: see PR 48550 and PR 48754: * the ahcisata(4) driver can not deal with unaligned * data, so align this "a bit" */ struct scsipi_read_cd_cap_data cap __aligned(2); struct scsipi_read_discinfo di_cmd; struct scsipi_read_discinfo_data di __aligned(2); struct scsipi_read_trackinfo ti_cmd; struct scsipi_read_trackinfo_data ti __aligned(2); uint32_t track_start, track_size; int error, flags, msb, lsb, last_track; /* if the device doesn't grok capacity, return the dummies */ if (periph->periph_quirks & PQUIRK_NOCAPACITY) return 0; /* first try read CD capacity for blksize and last recorded lba */ /* issue the cd capacity request */ flags = XS_CTL_DATA_IN; memset(&cap_cmd, 0, sizeof(cap_cmd)); memset(&cap, 0, sizeof(cap)); cap_cmd.opcode = READ_CD_CAPACITY; error = scsipi_command(periph, (void *) &cap_cmd, sizeof(cap_cmd), (void *) &cap, sizeof(cap), CDRETRIES, 30000, NULL, flags); if (error) return error; /* retrieve values and sanity check them */ *blksize = _4btol(cap.length); *last_lba = _4btol(cap.addr); /* blksize is 2048 for CD, but some drives give gibberish */ if ((*blksize < 512) || ((*blksize & 511) != 0) || (*blksize > 16*1024)) { if (*blksize > 16*1024) aprint_error("read_cd_capacity: extra large block " "size %u found - limiting to 2kByte\n", *blksize); *blksize = 2048; /* some drives lie ! */ } /* If the device doesn't handle READ_DISCINFO properly, */ /* return the dummies */ if (periph->periph_quirks & PQUIRK_NOREADDISCINFO) return 0; /* recordables have READ_DISCINFO implemented */ flags = XS_CTL_DATA_IN | XS_CTL_SILENT; memset(&di_cmd, 0, sizeof(di_cmd)); di_cmd.opcode = READ_DISCINFO; _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); error = scsipi_command(periph, (void *) &di_cmd, sizeof(di_cmd), (void *) &di, READ_DISCINFO_BIGSIZE, CDRETRIES, 30000, NULL, flags); if (error == 0) { msb = di.last_track_last_session_msb; lsb = di.last_track_last_session_lsb; last_track = (msb << 8) | lsb; /* request info on last track */ memset(&ti_cmd, 0, sizeof(ti_cmd)); ti_cmd.opcode = READ_TRACKINFO; ti_cmd.addr_type = 1; /* on tracknr */ _lto4b(last_track, ti_cmd.address); /* tracknr */ _lto2b(sizeof(ti), ti_cmd.data_len); error = scsipi_command(periph, (void *) &ti_cmd, sizeof(ti_cmd), (void *) &ti, sizeof(ti), CDRETRIES, 30000, NULL, flags); if (error == 0) { track_start = _4btol(ti.track_start); track_size = _4btol(ti.track_size); /* overwrite only with a sane value */ if (track_start + track_size >= 100) *last_lba = (u_long) track_start + track_size -1; } } /* sanity check for lba_size */ if (*last_lba < 100) *last_lba = 400000-1; return 0; } /* * Find out from the device what its capacity is */ static u_long cd_size(struct cd_softc *cd, int flags) { uint32_t blksize = 2048; u_long last_lba = 0, size; int error; error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); if (error) goto error; if (blksize != 2048) { if (cd_setblksize(cd) == 0) { blksize = 2048; error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); if (error) goto error; } } size = last_lba + 1; cd->params.blksize = blksize; cd->params.disksize = size; cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: %u %lu\n", blksize, size)); return size; error: /* something went wrong */ cd->params.blksize = 2048; cd->params.disksize = 0; cd->params.disksize512 = 0; SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); return 0; } /* * Get scsi driver to send a "start playing" command */ static int cd_play(struct cd_softc *cd, int blkno, int nblks) { struct scsipi_play cmd; memset(&cmd, 0, sizeof(cmd)); cmd.opcode = PLAY; _lto4b(blkno, cmd.blk_addr); _lto2b(nblks, cmd.xfer_len); return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 30000, NULL, 0)); } /* * Get scsi driver to send a "start playing" command */ static int cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, int sindex, int etrack, int eindex) { int error; if (!etrack) return (EIO); if (strack > etrack) return (EINVAL); error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); if (error) return (error); 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) return (EINVAL); return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, toc->entries[strack].addr.msf.second, toc->entries[strack].addr.msf.frame, toc->entries[etrack].addr.msf.minute, toc->entries[etrack].addr.msf.second, toc->entries[etrack].addr.msf.frame)); } /* * Get scsi driver to send a "play msf" command */ static int cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, int ends, int endf) { struct scsipi_play_msf cmd; memset(&cmd, 0, sizeof(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; return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 30000, NULL, 0)); } /* * Get scsi driver to send a "start up" command */ static int cd_pause(struct cd_softc *cd, int go) { struct scsipi_pause cmd; memset(&cmd, 0, sizeof(cmd)); cmd.opcode = PAUSE; cmd.resume = go & 0xff; return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 30000, NULL, 0)); } /* * Get scsi driver to send a "RESET" command */ static int cd_reset(struct cd_softc *cd) { return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, CDRETRIES, 30000, NULL, XS_CTL_RESET)); } /* * Read subchannel */ static int cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, struct cd_sub_channel_info *data, int len, int flags) { struct scsipi_read_subchannel cmd; memset(&cmd, 0, sizeof(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); return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(struct scsipi_read_subchannel), (void *)data, len, CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); } /* * Read table of contents */ static int cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, struct cd_formatted_toc *toc, int len, int flags, int control) { struct scsipi_read_toc cmd; int ntoc; memset(&cmd, 0, sizeof(cmd)); #if 0 if (len != sizeof(struct ioc_toc_header)) ntoc = ((len) - sizeof(struct ioc_toc_header)) / sizeof(struct cd_toc_entry); else #endif ntoc = len; cmd.opcode = READ_TOC; if (mode == CD_MSF_FORMAT) cmd.addr_mode |= CD_MSF; cmd.resp_format = respf; cmd.from_track = start; _lto2b(ntoc, cmd.data_len); cmd.control = control; return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN)); } static int cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) { int ntracks, len, error; if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), flags, 0)) != 0) return (error); ntracks = toc->header.ending_track - toc->header.starting_track + 1; len = (ntracks + 1) * sizeof(struct cd_toc_entry) + sizeof(toc->header); if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, flags, 0)) != 0) return (error); return (0); } /* * Get the scsi driver to send a full inquiry to the device and use the * results to fill out the disk parameter structure. */ static int cd_get_parms(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); } static int cdsize(dev_t dev) { /* CD-ROMs are read-only. */ return (-1); } static int cddump(dev_t dev, daddr_t blkno, void *va, size_t size) { /* Not implemented. */ return (ENXIO); } #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) static int dvd_auth(struct cd_softc *cd, dvd_authinfo *a) { struct scsipi_generic cmd; u_int8_t bf[20]; int error; memset(cmd.bytes, 0, 15); memset(bf, 0, sizeof(bf)); switch (a->type) { case DVD_LU_SEND_AGID: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 8; cmd.bytes[9] = 0 | (0 << 6); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); a->lsa.agid = bf[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 = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); dvd_copy_challenge(a->lsc.chal, &bf[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 = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); dvd_copy_key(a->lsk.key, &bf[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 = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); a->lstk.cpm = (bf[4] >> 7) & 1; a->lstk.cp_sec = (bf[4] >> 6) & 1; a->lstk.cgms = (bf[4] >> 4) & 3; dvd_copy_key(a->lstk.title_key, &bf[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 = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); a->lsasf.asf = bf[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); bf[1] = 14; dvd_copy_challenge(&bf[4], a->hsc.chal); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, CDRETRIES, 30000, NULL, XS_CTL_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); bf[1] = 10; dvd_copy_key(&bf[4], a->hsk.key); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, CDRETRIES, 30000, NULL, XS_CTL_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 = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, CDRETRIES, 30000, NULL, 0); if (error) return (error); return (0); case DVD_LU_SEND_RPC_STATE: cmd.opcode = GPCMD_REPORT_KEY; cmd.bytes[8] = 8; cmd.bytes[9] = 8 | (0 << 6); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); a->lrpcs.type = (bf[4] >> 6) & 3; a->lrpcs.vra = (bf[4] >> 3) & 7; a->lrpcs.ucca = (bf[4]) & 7; a->lrpcs.region_mask = bf[5]; a->lrpcs.rpc_scheme = bf[6]; return (0); case DVD_HOST_SEND_RPC_STATE: cmd.opcode = GPCMD_SEND_KEY; cmd.bytes[8] = 8; cmd.bytes[9] = 6 | (0 << 6); bf[1] = 6; bf[4] = a->hrpcs.pdrc; error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); if (error) return (error); return (0); default: return (ENOTTY); } } static int dvd_read_physical(struct cd_softc *cd, dvd_struct *s) { struct scsipi_generic cmd; u_int8_t bf[4 + 4 * 20], *bufp; int error; struct dvd_layer *layer; int i; memset(cmd.bytes, 0, 15); memset(bf, 0, sizeof(bf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(bf), &cmd.bytes[7]); cmd.bytes[5] = s->physical.layer_num; error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; i++, bufp += 20, layer++) { memset(layer, 0, 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); } static int dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) { struct scsipi_generic cmd; u_int8_t bf[8]; int error; memset(cmd.bytes, 0, 15); memset(bf, 0, sizeof(bf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(bf), &cmd.bytes[7]); cmd.bytes[5] = s->copyright.layer_num; error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); s->copyright.cpst = bf[4]; s->copyright.rmi = bf[5]; return (0); } static int dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) { struct scsipi_generic cmd; u_int8_t *bf; int error; bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); if (bf == NULL) return EIO; memset(cmd.bytes, 0, 15); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(4 + 2048, &cmd.bytes[7]); cmd.bytes[9] = s->disckey.agid << 6; error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error == 0) memcpy(s->disckey.value, &bf[4], 2048); free(bf, M_TEMP); return error; } static int dvd_read_bca(struct cd_softc *cd, dvd_struct *s) { struct scsipi_generic cmd; u_int8_t bf[4 + 188]; int error; memset(cmd.bytes, 0, 15); memset(bf, 0, sizeof(bf)); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(sizeof(bf), &cmd.bytes[7]); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error) return (error); s->bca.len = _2btol(&bf[0]); if (s->bca.len < 12 || s->bca.len > 188) return (EIO); memcpy(s->bca.value, &bf[4], s->bca.len); return (0); } static int dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) { struct scsipi_generic cmd; u_int8_t *bf; int error; bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); if (bf == NULL) return (EIO); memset(cmd.bytes, 0, 15); cmd.opcode = GPCMD_READ_DVD_STRUCTURE; cmd.bytes[6] = s->type; _lto2b(4 + 2048, &cmd.bytes[7]); error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); if (error == 0) { s->manufact.len = _2btol(&bf[0]); if (s->manufact.len >= 0 && s->manufact.len <= 2048) memcpy(s->manufact.value, &bf[4], s->manufact.len); else error = EIO; } free(bf, M_TEMP); return error; } static int dvd_read_struct(struct cd_softc *cd, 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); } } static int cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, int page, int flags, int *big) { if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { *big = 1; return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, size + sizeof(struct scsi_mode_parameter_header_10), flags, CDRETRIES, 20000); } else { *big = 0; return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, size + sizeof(struct scsi_mode_parameter_header_6), flags, CDRETRIES, 20000); } } static int cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, int flags, int big) { if (big) { struct scsi_mode_parameter_header_10 *header = sense; _lto2b(0, header->data_length); return scsipi_mode_select_big(cd->sc_periph, byte2, sense, size + sizeof(struct scsi_mode_parameter_header_10), flags, CDRETRIES, 20000); } else { struct scsi_mode_parameter_header_6 *header = sense; header->data_length = 0; return scsipi_mode_select(cd->sc_periph, byte2, sense, size + sizeof(struct scsi_mode_parameter_header_6), flags, CDRETRIES, 20000); } } static int cd_set_pa_immed(struct cd_softc *cd, int flags) { struct { union { struct scsi_mode_parameter_header_6 small; struct scsi_mode_parameter_header_10 big; } header; struct cd_audio_page page; } data; int error; uint8_t oflags; int big, byte2; struct cd_audio_page *page; byte2 = SMS_DBD; try_again: if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), AUDIO_PAGE, flags, &big)) != 0) { if (byte2 == SMS_DBD) { /* Device may not understand DBD; retry without */ byte2 = 0; goto try_again; } return (error); } if (big) page = (void *)((u_long)&data.header.big + sizeof data.header.big + _2btol(data.header.big.blk_desc_len)); else page = (void *)((u_long)&data.header.small + sizeof data.header.small + data.header.small.blk_desc_len); oflags = page->flags; page->flags &= ~CD_PA_SOTC; page->flags |= CD_PA_IMMED; if (oflags == page->flags) return (0); return (cd_mode_select(cd, SMS_PF, &data, sizeof(struct scsi_mode_page_header) + page->pg_length, flags, big)); } static int cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) { struct { union { struct scsi_mode_parameter_header_6 small; struct scsi_mode_parameter_header_10 big; } header; struct cd_audio_page page; } data; int error; int big, byte2; struct cd_audio_page *page; byte2 = SMS_DBD; try_again: if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), AUDIO_PAGE, flags, &big)) != 0) { if (byte2 == SMS_DBD) { /* Device may not understand DBD; retry without */ byte2 = 0; goto try_again; } return (error); } if (big) page = (void *)((u_long)&data.header.big + sizeof data.header.big + _2btol(data.header.big.blk_desc_len)); else page = (void *)((u_long)&data.header.small + sizeof data.header.small + data.header.small.blk_desc_len); page->port[0].channels = p0; page->port[1].channels = p1; page->port[2].channels = p2; page->port[3].channels = p3; return (cd_mode_select(cd, SMS_PF, &data, sizeof(struct scsi_mode_page_header) + page->pg_length, flags, big)); } static int cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) { struct { union { struct scsi_mode_parameter_header_6 small; struct scsi_mode_parameter_header_10 big; } header; struct cd_audio_page page; } data; int error; int big, byte2; struct cd_audio_page *page; byte2 = SMS_DBD; try_again: if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), AUDIO_PAGE, flags, &big)) != 0) { if (byte2 == SMS_DBD) { /* Device may not understand DBD; retry without */ byte2 = 0; goto try_again; } return (error); } if (big) page = (void *)((u_long)&data.header.big + sizeof data.header.big + _2btol(data.header.big.blk_desc_len)); else page = (void *)((u_long)&data.header.small + sizeof data.header.small + data.header.small.blk_desc_len); arg->vol[0] = page->port[0].volume; arg->vol[1] = page->port[1].volume; arg->vol[2] = page->port[2].volume; arg->vol[3] = page->port[3].volume; return (0); } static int cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) { struct { union { struct scsi_mode_parameter_header_6 small; struct scsi_mode_parameter_header_10 big; } header; struct cd_audio_page page; } data, mask; int error; int big, byte2; struct cd_audio_page *page, *page2; byte2 = SMS_DBD; try_again: if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), AUDIO_PAGE, flags, &big)) != 0) { if (byte2 == SMS_DBD) { /* Device may not understand DBD; retry without */ byte2 = 0; goto try_again; } return (error); } if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) return (error); if (big) { page = (void *)((u_long)&data.header.big + sizeof data.header.big + _2btol(data.header.big.blk_desc_len)); page2 = (void *)((u_long)&mask.header.big + sizeof mask.header.big + _2btol(mask.header.big.blk_desc_len)); } else { page = (void *)((u_long)&data.header.small + sizeof data.header.small + data.header.small.blk_desc_len); page2 = (void *)((u_long)&mask.header.small + sizeof mask.header.small + mask.header.small.blk_desc_len); } page->port[0].volume = arg->vol[0] & page2->port[0].volume; page->port[1].volume = arg->vol[1] & page2->port[1].volume; page->port[2].volume = arg->vol[2] & page2->port[2].volume; page->port[3].volume = arg->vol[3] & page2->port[3].volume; page->port[0].channels = CHANNEL_0; page->port[1].channels = CHANNEL_1; return (cd_mode_select(cd, SMS_PF, &data, sizeof(struct scsi_mode_page_header) + page->pg_length, flags, big)); } static int cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) { struct scsipi_load_unload cmd; memset(&cmd, 0, sizeof(cmd)); cmd.opcode = LOAD_UNLOAD; cmd.options = args->options; /* ioctl uses MMC values */ cmd.slot = args->slot; return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, CDRETRIES, 200000, NULL, 0)); } static int cd_setblksize(struct cd_softc *cd) { struct { union { struct scsi_mode_parameter_header_6 small; struct scsi_mode_parameter_header_10 big; } header; struct scsi_general_block_descriptor blk_desc; } data; int error; int big, bsize; struct scsi_general_block_descriptor *bdesc; if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, &big)) != 0) return (error); if (big) { bdesc = (void *)(&data.header.big + 1); bsize = _2btol(data.header.big.blk_desc_len); } else { bdesc = (void *)(&data.header.small + 1); bsize = data.header.small.blk_desc_len; } if (bsize == 0) { printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); return (EINVAL); } if (_3btol(bdesc->blklen) == 2048) { printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); return (EINVAL); } _lto3b(2048, bdesc->blklen); return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, big)); } static int mmc_profile2class(uint16_t mmc_profile) { switch (mmc_profile) { case 0x01 : /* SCSI discs */ case 0x02 : /* this can't happen really, cd.c wouldn't have matched */ return MMC_CLASS_DISC; case 0x03 : /* Magneto Optical with sector erase */ case 0x04 : /* Magneto Optical write once */ case 0x05 : /* Advance Storage Magneto Optical */ return MMC_CLASS_MO; case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ case 0x08 : /* CD-ROM */ case 0x09 : /* CD-R */ case 0x0a : /* CD-RW */ return MMC_CLASS_CD; case 0x10 : /* DVD-ROM */ case 0x11 : /* DVD-R */ case 0x12 : /* DVD-RAM */ case 0x13 : /* DVD-RW restricted overwrite */ case 0x14 : /* DVD-RW sequential */ case 0x1a : /* DVD+RW */ case 0x1b : /* DVD+R */ case 0x2a : /* DVD+RW Dual layer */ case 0x2b : /* DVD+R Dual layer */ case 0x50 : /* HD DVD-ROM */ case 0x51 : /* HD DVD-R */ case 0x52 : /* HD DVD-RW; DVD-RAM like */ return MMC_CLASS_DVD; case 0x40 : /* BD-ROM */ case 0x41 : /* BD-R Sequential recording (SRM) */ case 0x42 : /* BD-R Random Recording (RRM) */ case 0x43 : /* BD-RE */ return MMC_CLASS_BD; } return MMC_CLASS_UNKN; } /* * Drive/media combination is reflected in a series of features that can * either be current or dormant. We try to make sense out of them to create a * set of easy to use flags that abstract the device/media capabilities. */ static void mmc_process_feature(struct mmc_discinfo *mmc_discinfo, uint16_t feature, int cur, uint8_t *rpos) { uint32_t blockingnr; uint64_t flags; if (cur == 1) { flags = mmc_discinfo->mmc_cur; } else { flags = mmc_discinfo->mmc_cap; } switch (feature) { case 0x0010 : /* random readable feature */ blockingnr = rpos[5] | (rpos[4] << 8); if (blockingnr > 1) flags |= MMC_CAP_PACKET; /* RW error page */ break; case 0x0020 : /* random writable feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_REWRITABLE; blockingnr = rpos[9] | (rpos[8] << 8); if (blockingnr > 1) flags |= MMC_CAP_PACKET; break; case 0x0021 : /* incremental streaming write feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_SEQUENTIAL; if (cur) mmc_discinfo->link_block_penalty = rpos[4]; if (rpos[2] & 1) flags |= MMC_CAP_ZEROLINKBLK; break; case 0x0022 : /* (obsolete) erase support feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_ERASABLE; break; case 0x0023 : /* formatting media support feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_FORMATTABLE; break; case 0x0024 : /* hardware assisted defect management feature */ flags |= MMC_CAP_HW_DEFECTFREE; break; case 0x0025 : /* write once */ flags |= MMC_CAP_RECORDABLE; break; case 0x0026 : /* restricted overwrite feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_REWRITABLE; flags |= MMC_CAP_STRICTOVERWRITE; break; case 0x0028 : /* MRW formatted media support feature */ flags |= MMC_CAP_MRW; break; case 0x002b : /* DVD+R read (and opt. write) support */ flags |= MMC_CAP_SEQUENTIAL; if (rpos[0] & 1) /* write support */ flags |= MMC_CAP_RECORDABLE; break; case 0x002c : /* rigid restricted overwrite feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_REWRITABLE; flags |= MMC_CAP_STRICTOVERWRITE; if (rpos[0] & 1) /* blank bit */ flags |= MMC_CAP_BLANKABLE; break; case 0x002d : /* track at once recording feature */ flags |= MMC_CAP_RECORDABLE; flags |= MMC_CAP_SEQUENTIAL; break; case 0x002f : /* DVD-R/-RW write feature */ flags |= MMC_CAP_RECORDABLE; if (rpos[0] & 2) /* DVD-RW bit */ flags |= MMC_CAP_BLANKABLE; break; case 0x0038 : /* BD-R SRM with pseudo overwrite */ flags |= MMC_CAP_PSEUDOOVERWRITE; break; default : /* ignore */ break; } if (cur == 1) { mmc_discinfo->mmc_cur = flags; } else { mmc_discinfo->mmc_cap = flags; } } static int mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, struct mmc_discinfo *mmc_discinfo) { struct scsipi_read_toc gtoc_cmd; struct scsipi_toc_header *toc_hdr; struct scsipi_toc_msinfo *toc_msinfo; const uint32_t buffer_size = 1024; uint32_t req_size; uint8_t *buffer; int error, flags; buffer = malloc(buffer_size, M_TEMP, M_WAITOK); /* * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont * care' but others might be of interest to programs. */ mmc_discinfo->disc_state = MMC_STATE_FULL; mmc_discinfo->last_session_state = MMC_STATE_FULL; mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; mmc_discinfo->link_block_penalty = 7; /* not relevant */ /* get number of sessions and first tracknr in last session */ flags = XS_CTL_DATA_IN; memset(>oc_cmd, 0, sizeof(gtoc_cmd)); gtoc_cmd.opcode = READ_TOC; gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ gtoc_cmd.from_track = 0; /* reserved, must be 0 */ req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; mmc_discinfo->first_track = toc_hdr->first; mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; /* get last track of last session */ flags = XS_CTL_DATA_IN; gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ req_size = sizeof(*toc_hdr); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; mmc_discinfo->last_track_last_session = toc_hdr->last; mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; /* TODO how to handle disc_barcode and disc_id */ /* done */ out: free(buffer, M_TEMP); return error; } static int mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, struct mmc_discinfo *mmc_discinfo) { struct scsipi_read_toc gtoc_cmd; struct scsipi_toc_header toc_hdr; uint32_t req_size; int error, flags; /* * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont * care' but others might be of interest to programs. */ mmc_discinfo->disc_state = MMC_STATE_FULL; mmc_discinfo->last_session_state = MMC_STATE_FULL; mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; mmc_discinfo->link_block_penalty = 16; /* not relevant */ /* get number of sessions and first tracknr in last session */ flags = XS_CTL_DATA_IN; memset(>oc_cmd, 0, sizeof(gtoc_cmd)); gtoc_cmd.opcode = READ_TOC; gtoc_cmd.addr_mode = 0; /* LBA */ gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ gtoc_cmd.from_track = 1; /* first track */ req_size = sizeof(toc_hdr); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)&toc_hdr, req_size, CDRETRIES, 30000, NULL, flags); if (error) return error; /* DVD-ROM squashes the track/session space */ mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; mmc_discinfo->first_track = toc_hdr.first; mmc_discinfo->first_track_last_session = toc_hdr.last; mmc_discinfo->last_track_last_session = toc_hdr.last; /* TODO how to handle disc_barcode and disc_id */ /* done */ return 0; } static int mmc_getdiscinfo(struct scsipi_periph *periph, struct mmc_discinfo *mmc_discinfo) { struct scsipi_get_configuration gc_cmd; struct scsipi_get_conf_data *gc; struct scsipi_get_conf_feature *gcf; struct scsipi_read_discinfo di_cmd; struct scsipi_read_discinfo_data di __aligned(2); const uint32_t buffer_size = 0x200; /* XXX RPZ USB3 SCSI size issue */ uint32_t pos; u_long last_lba = 0; uint8_t *buffer, *fpos; int feature, last_feature, features_len, feature_cur, feature_len; int lsb, msb, error, flags; buffer = malloc(buffer_size, M_TEMP, M_WAITOK); /* initialise structure */ memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); mmc_discinfo->mmc_profile = 0x00; /* unknown */ mmc_discinfo->mmc_class = MMC_CLASS_UNKN; mmc_discinfo->mmc_cur = 0; mmc_discinfo->mmc_cap = 0; mmc_discinfo->link_block_penalty = 0; /* determine mmc profile and class */ flags = XS_CTL_DATA_IN; memset(&gc_cmd, 0, sizeof(gc_cmd)); gc_cmd.opcode = GET_CONFIGURATION; _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); gc = (struct scsipi_get_conf_data *) buffer; error = scsipi_command(periph, (void *)&gc_cmd, sizeof(gc_cmd), (void *) gc, GET_CONF_NO_FEATURES_LEN, CDRETRIES, 30000, NULL, flags); if (error) goto out; mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); /* assume 2048 sector size unless told otherwise */ mmc_discinfo->sector_size = 2048; error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); if (error) goto out; mmc_discinfo->last_possible_lba = (uint32_t) last_lba; /* Read in all features to determine device capabilities */ last_feature = feature = 0; do { /* determine mmc profile and class */ flags = XS_CTL_DATA_IN; memset(&gc_cmd, 0, sizeof(gc_cmd)); gc_cmd.opcode = GET_CONFIGURATION; _lto2b(last_feature, gc_cmd.start_at_feature); _lto2b(buffer_size, gc_cmd.data_len); memset(gc, 0, buffer_size); error = scsipi_command(periph, (void *)&gc_cmd, sizeof(gc_cmd), (void *) gc, buffer_size, CDRETRIES, 30000, NULL, flags); if (error) { /* ieeek... break out of loop... i dunno what to do */ break; } features_len = _4btol(gc->data_len); if (features_len < 4 || features_len > buffer_size) break; pos = 0; fpos = &gc->feature_desc[0]; while (pos < features_len - 4) { gcf = (struct scsipi_get_conf_feature *) fpos; feature = _2btol(gcf->featurecode); feature_cur = gcf->flags & 1; feature_len = gcf->additional_length; mmc_process_feature(mmc_discinfo, feature, feature_cur, gcf->feature_dependent); last_feature = MAX(last_feature, feature); #ifdef DIAGNOSTIC /* assert((feature_len & 3) == 0); */ if ((feature_len & 3) != 0) { printf("feature %d having length %d\n", feature, feature_len); } #endif pos += 4 + feature_len; fpos += 4 + feature_len; } /* unlikely to ever grow past our 1kb buffer */ } while (features_len >= 0xffff); /* * Fixup CD-RW drives that are on crack. * * Some drives report the capability to incrementally write * sequentially on CD-R(W) media... nice, but this should not be * active for a fixed packet formatted CD-RW media. Other report the * ability of HW_DEFECTFREE even when the media is NOT MRW * formatted.... */ if (mmc_discinfo->mmc_profile == 0x0a) { if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; } else { mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; } } if (mmc_discinfo->mmc_profile == 0x09) { mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; } #ifdef DEBUG printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", mmc_discinfo->mmc_profile, mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); #endif /* read in disc state and number of sessions and tracks */ flags = XS_CTL_DATA_IN | XS_CTL_SILENT; memset(&di_cmd, 0, sizeof(di_cmd)); di_cmd.opcode = READ_DISCINFO; di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; error = scsipi_command(periph, (void *)&di_cmd, sizeof(di_cmd), (void *)&di, READ_DISCINFO_BIGSIZE, CDRETRIES, 30000, NULL, flags); if (error) { /* discinfo call failed, emulate for cd-rom/dvd-rom */ if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo); else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); else /* CD/DVD drive is violating specs */ error = EIO; goto out; } /* call went OK */ mmc_discinfo->disc_state = di.disc_state & 3; mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; mmc_discinfo->bg_format_state = (di.disc_state2 & 3); lsb = di.num_sessions_lsb; msb = di.num_sessions_msb; mmc_discinfo->num_sessions = lsb | (msb << 8); mmc_discinfo->first_track = di.first_track; lsb = di.first_track_last_session_lsb; msb = di.first_track_last_session_msb; mmc_discinfo->first_track_last_session = lsb | (msb << 8); lsb = di.last_track_last_session_lsb; msb = di.last_track_last_session_msb; mmc_discinfo->last_track_last_session = lsb | (msb << 8); mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - mmc_discinfo->first_track + 1; /* set misc. flags and parameters from this disc info */ if (di.disc_state & 16) mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; if (di.disc_state2 & 128) { mmc_discinfo->disc_id = _4btol(di.discid); mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; } if (di.disc_state2 & 64) { mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; } if (di.disc_state2 & 32) mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; if (di.disc_state2 & 16) { mmc_discinfo->application_code = di.application_code; mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; } /* done */ out: free(buffer, M_TEMP); return error; } static int mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, struct mmc_trackinfo *trackinfo) { struct scsipi_read_toc gtoc_cmd; struct scsipi_toc_header *toc_hdr; struct scsipi_toc_rawtoc *rawtoc; uint32_t track_start, track_size; uint32_t last_recorded, next_writable; uint32_t lba, next_track_start, lead_out; const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ uint8_t *buffer; uint8_t track_sessionnr, sessionnr, adr, tno, point; uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; int size, req_size; int error, flags; buffer = malloc(buffer_size, M_TEMP, M_WAITOK); /* * Emulate read trackinfo for CD-ROM using the raw-TOC. * * Not all information is present and this presents a problem. Track * starts are known for each track but other values are deducted. * * For a complete overview of `magic' values used here, see the * SCSI/ATAPI MMC documentation. Note that the `magic' values have no * names, they are specified as numbers. */ /* get raw toc to process, first header to check size */ flags = XS_CTL_DATA_IN | XS_CTL_SILENT; memset(>oc_cmd, 0, sizeof(gtoc_cmd)); gtoc_cmd.opcode = READ_TOC; gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ gtoc_cmd.from_track = 1; /* first session */ req_size = sizeof(*toc_hdr); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; if (_2btol(toc_hdr->length) > buffer_size - 2) { #ifdef DIAGNOSTIC printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); #endif error = ENOBUFS; goto out; } /* read in complete raw toc */ req_size = _2btol(toc_hdr->length); req_size = 2*((req_size + 1) / 2); /* for ATAPI */ _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); track_start = 0; track_size = 0; last_recorded = 0; next_writable = 0; flags = 0; next_track_start = 0; track_sessionnr = MAXTRACK; /* by definition */ lead_out = 0; size = req_size - sizeof(struct scsipi_toc_header) + 1; while (size > 0) { /* get track start and session end */ tno = rawtoc->tno; sessionnr = rawtoc->sessionnr; adr = rawtoc->adrcontrol >> 4; control = rawtoc->adrcontrol & 0xf; point = rawtoc->point; tmin = rawtoc->min; tsec = rawtoc->sec; tframe = rawtoc->frame; pmin = rawtoc->pmin; psec = rawtoc->psec; pframe = rawtoc->pframe; if (tno == 0 && sessionnr && adr == 1) { lba = hmsf2lba(0, pmin, psec, pframe); if (point == trackinfo->tracknr) { track_start = lba; track_sessionnr = sessionnr; } if (point == trackinfo->tracknr + 1) { /* estimate size */ track_size = lba - track_start; next_track_start = lba; } if (point == 0xa2) { lead_out = lba; } if (point <= 0x63) { /* CD's ok, DVD are glued */ /* last_tracknr = point; */ } if (sessionnr == track_sessionnr) { last_recorded = lead_out; } } if (tno == 0 && sessionnr && adr == 5) { lba = hmsf2lba(0, tmin, tsec, tframe); if (sessionnr == track_sessionnr) { next_writable = lba; } } if ((control & (3<<2)) == 4) /* 01xxb */ flags |= MMC_TRACKINFO_DATA; if ((control & (1<<2)) == 0) { /* x0xxb */ flags |= MMC_TRACKINFO_AUDIO; if (control & 1) /* xxx1b */ flags |= MMC_TRACKINFO_PRE_EMPH; } rawtoc++; size -= sizeof(struct scsipi_toc_rawtoc); } /* process found values; some voodoo */ /* if no tracksize tracknr is the last of the disc */ if ((track_size == 0) && last_recorded) { track_size = last_recorded - track_start; } /* if last_recorded < tracksize, tracksize is overestimated */ if (last_recorded) { if (last_recorded - track_start <= track_size) { track_size = last_recorded - track_start; flags |= MMC_TRACKINFO_LRA_VALID; } } /* check if its a the last track of the sector */ if (next_writable) { if (next_track_start > next_writable) flags |= MMC_TRACKINFO_NWA_VALID; } /* no flag set -> no values */ if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) last_recorded = 0; if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) next_writable = 0; /* fill in */ /* trackinfo->tracknr preserved */ trackinfo->sessionnr = track_sessionnr; trackinfo->track_mode = 7; /* data, incremental */ trackinfo->data_mode = 8; /* 2048 bytes mode1 */ trackinfo->flags = flags; trackinfo->track_start = track_start; trackinfo->next_writable = next_writable; trackinfo->free_blocks = 0; trackinfo->packet_size = 1; trackinfo->track_size = track_size; trackinfo->last_recorded = last_recorded; out: free(buffer, M_TEMP); return error; } static int mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, struct mmc_trackinfo *trackinfo) { struct scsipi_read_toc gtoc_cmd; struct scsipi_toc_header *toc_hdr; struct scsipi_toc_formatted *toc; uint32_t tracknr, track_start, track_size; uint32_t lba, lead_out; const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ uint8_t *buffer; uint8_t control, last_tracknr; int size, req_size; int error, flags; buffer = malloc(buffer_size, M_TEMP, M_WAITOK); /* * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the * CD-ROM emulation uses since the specification tells us that no such * thing is defined for DVD's. The reason for this is due to the large * number of tracks and that would clash with the `magic' values. This * suxs. * * Not all information is present and this presents a problem. * Track starts are known for each track but other values are * deducted. */ /* get formatted toc to process, first header to check size */ flags = XS_CTL_DATA_IN | XS_CTL_SILENT; memset(>oc_cmd, 0, sizeof(gtoc_cmd)); gtoc_cmd.opcode = READ_TOC; gtoc_cmd.addr_mode = 0; /* lba's please */ gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ gtoc_cmd.from_track = 1; /* first track */ req_size = sizeof(*toc_hdr); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; if (_2btol(toc_hdr->length) > buffer_size - 2) { #ifdef DIAGNOSTIC printf("increase buffersize in mmc_readtrackinfo_dvdrom\n"); #endif error = ENOBUFS; goto out; } /* read in complete formatted toc */ req_size = _2btol(toc_hdr->length); _lto2b(req_size, gtoc_cmd.data_len); error = scsipi_command(periph, (void *)>oc_cmd, sizeof(gtoc_cmd), (void *)buffer, req_size, CDRETRIES, 30000, NULL, flags); if (error) goto out; toc_hdr = (struct scsipi_toc_header *) buffer; toc = (struct scsipi_toc_formatted *) (buffer + 4); /* as in read disc info, all sessions are converted to tracks */ /* track 1.. -> offsets, sizes can be (roughly) estimated (16 ECC) */ /* last track -> we got the size from the lead-out */ tracknr = 0; last_tracknr = toc_hdr->last; track_start = 0; track_size = 0; lead_out = 0; flags = 0; size = req_size - sizeof(struct scsipi_toc_header) + 1; while (size > 0) { /* remember, DVD-ROM: tracknr == sessionnr */ lba = _4btol(toc->msf_lba); tracknr = toc->tracknr; control = toc->adrcontrol & 0xf; if (trackinfo->tracknr == tracknr) { track_start = lba; } if (trackinfo->tracknr == tracknr+1) { track_size = lba - track_start; track_size -= 16; /* link block ? */ } if (tracknr == 0xAA) { lead_out = lba; } if ((control & (3<<2)) == 4) /* 01xxb */ flags |= MMC_TRACKINFO_DATA; if ((control & (1<<2)) == 0) { /* x0xxb */ flags |= MMC_TRACKINFO_AUDIO; if (control & (1<<3)) /* 10xxb */ flags |= MMC_TRACKINFO_AUDIO_4CHAN; if (control & 1) /* xxx1b */ flags |= MMC_TRACKINFO_PRE_EMPH; } toc++; size -= sizeof(struct scsipi_toc_formatted); } if (trackinfo->tracknr == last_tracknr) { track_size = lead_out - track_start; } /* fill in */ /* trackinfo->tracknr preserved */ trackinfo->sessionnr = trackinfo->tracknr; trackinfo->track_mode = 0; /* unknown */ trackinfo->data_mode = 8; /* 2048 bytes mode1 */ trackinfo->flags = flags; trackinfo->track_start = track_start; trackinfo->next_writable = 0; trackinfo->free_blocks = 0; trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ trackinfo->track_size = track_size; trackinfo->last_recorded = 0; out: free(buffer, M_TEMP); return error; } static int mmc_gettrackinfo(struct scsipi_periph *periph, struct mmc_trackinfo *trackinfo) { struct scsipi_read_trackinfo ti_cmd; struct scsipi_read_trackinfo_data ti __aligned(2); struct scsipi_get_configuration gc_cmd; struct scsipi_get_conf_data gc __aligned(2); int error, flags; int mmc_profile; /* set up SCSI call with track number from trackinfo.tracknr */ flags = XS_CTL_DATA_IN | XS_CTL_SILENT; memset(&ti_cmd, 0, sizeof(ti_cmd)); ti_cmd.opcode = READ_TRACKINFO; ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; /* trackinfo.tracknr contains number of tracks to query */ _lto4b(trackinfo->tracknr, ti_cmd.address); error = scsipi_command(periph, (void *)&ti_cmd, sizeof(ti_cmd), (void *)&ti, READ_TRACKINFO_RETURNSIZE, CDRETRIES, 30000, NULL, flags); if (error) { /* trackinfo call failed, emulate for cd-rom/dvd-rom */ /* first determine mmc profile */ flags = XS_CTL_DATA_IN; memset(&gc_cmd, 0, sizeof(gc_cmd)); gc_cmd.opcode = GET_CONFIGURATION; _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); error = scsipi_command(periph, (void *)&gc_cmd, sizeof(gc_cmd), (void *)&gc, GET_CONF_NO_FEATURES_LEN, CDRETRIES, 30000, NULL, flags); if (error) return error; mmc_profile = _2btol(gc.mmc_profile); /* choose emulation */ if (mmc_profile == 0x08) /* CD-ROM */ return mmc_gettrackinfo_cdrom(periph, trackinfo); if (mmc_profile == 0x10) /* DVD-ROM */ return mmc_gettrackinfo_dvdrom(periph, trackinfo); /* CD/DVD drive is violating specs */ return EIO; } /* (re)initialise structure */ memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); /* account for short returns screwing up track and session msb */ if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { ti.track_msb = 0; ti.session_msb = 0; } trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); trackinfo->track_mode = ti.track_info_1 & 0xf; trackinfo->data_mode = ti.track_info_2 & 0xf; flags = 0; if (ti.track_info_1 & 0x10) flags |= MMC_TRACKINFO_COPY; if (ti.track_info_1 & 0x20) flags |= MMC_TRACKINFO_DAMAGED; if (ti.track_info_2 & 0x10) flags |= MMC_TRACKINFO_FIXED_PACKET; if (ti.track_info_2 & 0x20) flags |= MMC_TRACKINFO_INCREMENTAL; if (ti.track_info_2 & 0x40) flags |= MMC_TRACKINFO_BLANK; if (ti.track_info_2 & 0x80) flags |= MMC_TRACKINFO_RESERVED; if (ti.data_valid & 0x01) flags |= MMC_TRACKINFO_NWA_VALID; if (ti.data_valid & 0x02) flags |= MMC_TRACKINFO_LRA_VALID; if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ flags |= MMC_TRACKINFO_DATA; if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ flags |= MMC_TRACKINFO_AUDIO; if (trackinfo->track_mode & (1<<3)) /* 10xxb */ flags |= MMC_TRACKINFO_AUDIO_4CHAN; if (trackinfo->track_mode & 1) /* xxx1b */ flags |= MMC_TRACKINFO_PRE_EMPH; } trackinfo->flags = flags; trackinfo->track_start = _4btol(ti.track_start); trackinfo->next_writable = _4btol(ti.next_writable); trackinfo->free_blocks = _4btol(ti.free_blocks); trackinfo->packet_size = _4btol(ti.packet_size); trackinfo->track_size = _4btol(ti.track_size); trackinfo->last_recorded = _4btol(ti.last_recorded); return 0; } static int mmc_doclose(struct scsipi_periph *periph, int param, int func) { struct scsipi_close_tracksession close_cmd; int error, flags; /* set up SCSI call with track number */ flags = XS_CTL_DATA_OUT; memset(&close_cmd, 0, sizeof(close_cmd)); close_cmd.opcode = CLOSE_TRACKSESSION; close_cmd.function = func; _lto2b(param, close_cmd.tracksessionnr); error = scsipi_command(periph, (void *) &close_cmd, sizeof(close_cmd), NULL, 0, CDRETRIES, 120000, NULL, flags); return error; } static int mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) { int mmc_profile = mmc_op->mmc_profile; switch (mmc_profile) { case 0x12 : /* DVD-RAM */ case 0x1a : /* DVD+RW */ case 0x2a : /* DVD+RW Dual layer */ case 0x42 : /* BD-R Random Recording (RRM) */ case 0x43 : /* BD-RE */ case 0x52 : /* HD DVD-RW ; DVD-RAM like */ return EINVAL; } return mmc_doclose(periph, mmc_op->tracknr, 1); } static int mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) { uint8_t blob[MS5LEN], *page5; int mmc_profile = mmc_op->mmc_profile; int func, close, flags; int error; close = (mmc_op->operation == MMC_OP_CLOSESESSION); switch (mmc_profile) { case 0x09 : /* CD-R */ case 0x0a : /* CD-RW */ /* Special case : need to update MS field in mode page 5 */ memset(blob, 0, sizeof(blob)); page5 = blob+8; flags = XS_CTL_DATA_IN; error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); if (error) return error; /* set multi session field when closing a session only */ page5[3] &= 63; if (close) page5[3] |= 3 << 6; flags = XS_CTL_DATA_OUT; error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); if (error) return error; /* and use function 2 */ func = 2; break; case 0x11 : /* DVD-R (DL) */ case 0x13 : /* DVD-RW restricted overwrite */ case 0x14 : /* DVD-RW sequential */ func = close ? 2 : 3; break; case 0x1b : /* DVD+R */ case 0x2b : /* DVD+R Dual layer */ case 0x51 : /* HD DVD-R */ case 0x41 : /* BD-R Sequential recording (SRM) */ func = close ? 2 : 6; break; case 0x12 : /* DVD-RAM */ case 0x1a : /* DVD+RW */ case 0x2a : /* DVD+RW Dual layer */ case 0x42 : /* BD-R Random Recording (RRM) */ case 0x43 : /* BD-RE */ case 0x52 : /* HD DVD-RW; DVD-RAM like */ return EINVAL; default: printf("MMC close/finalise passed wrong device type! (%d)\n", mmc_profile); return EINVAL; } return mmc_doclose(periph, mmc_op->sessionnr, func); } static int mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) { struct scsipi_reserve_track reserve_cmd; uint32_t extent; int error, flags; /* TODO make mmc safeguards? */ extent = mmc_op->extent; /* TODO min/max support? */ /* set up SCSI call with requested space */ flags = XS_CTL_DATA_OUT; memset(&reserve_cmd, 0, sizeof(reserve_cmd)); reserve_cmd.opcode = RESERVE_TRACK; _lto4b(extent, reserve_cmd.reservation_size); error = scsipi_command(periph, (void *) &reserve_cmd, sizeof(reserve_cmd), NULL, 0, CDRETRIES, 30000, NULL, flags); return error; } static int mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) { /* XXX assumes that NWA given is valid */ switch (mmc_op->mmc_profile) { case 0x09 : /* CD-R */ /* XXX unknown boundary checks XXX */ if (mmc_op->extent <= 152) return EINVAL; /* CD-R takes 152 sectors to close track */ mmc_op->extent -= 152; return mmc_do_reserve_track(periph, mmc_op); case 0x11 : /* DVD-R (DL) */ case 0x1b : /* DVD+R */ case 0x2b : /* DVD+R Dual layer */ if (mmc_op->extent % 16) return EINVAL; /* upto one ECC block of 16 sectors lost */ mmc_op->extent -= 16; return mmc_do_reserve_track(periph, mmc_op); case 0x41 : /* BD-R Sequential recording (SRM) */ case 0x51 : /* HD DVD-R */ if (mmc_op->extent % 32) return EINVAL; /* one ECC block of 32 sectors lost (AFAIK) */ mmc_op->extent -= 32; return mmc_do_reserve_track(periph, mmc_op); } /* unknown behaviour or invalid disc type */ return EINVAL; } static int mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) { struct scsipi_repair_track repair_cmd; int error, flags; /* TODO make mmc safeguards? */ /* set up SCSI call with track number */ flags = XS_CTL_DATA_OUT; memset(&repair_cmd, 0, sizeof(repair_cmd)); repair_cmd.opcode = REPAIR_TRACK; _lto2b(mmc_op->tracknr, repair_cmd.tracknr); error = scsipi_command(periph, (void *) &repair_cmd, sizeof(repair_cmd), NULL, 0, CDRETRIES, 30000, NULL, flags); return error; } static int mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) { /* guard operation value */ if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) return EINVAL; /* synchronise cache is special since it doesn't rely on mmc_profile */ if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) return cdcachesync(periph, 0); /* zero mmc_profile means unknown disc so operations are not defined */ if (mmc_op->mmc_profile == 0) { #ifdef DEBUG printf("mmc_do_op called with mmc_profile = 0\n"); #endif return EINVAL; } /* do the operations */ switch (mmc_op->operation) { case MMC_OP_CLOSETRACK : return mmc_do_closetrack(periph, mmc_op); case MMC_OP_CLOSESESSION : case MMC_OP_FINALISEDISC : return mmc_do_close_or_finalise(periph, mmc_op); case MMC_OP_RESERVETRACK : return mmc_do_reserve_track(periph, mmc_op); case MMC_OP_RESERVETRACK_NWA : return mmc_do_reserve_track_nwa(periph, mmc_op); case MMC_OP_REPAIRTRACK : return mmc_do_repair_track(periph, mmc_op); case MMC_OP_UNCLOSELASTSESSION : /* TODO unclose last session support */ return EINVAL; default : printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); } return EINVAL; } static int mmc_setup_writeparams(struct scsipi_periph *periph, struct mmc_writeparams *mmc_writeparams) { struct mmc_trackinfo trackinfo; uint8_t blob[MS5LEN]; uint8_t *page5; int flags, error; int track_mode, data_mode; /* setup mode page 5 for CD only */ if (mmc_writeparams->mmc_class != MMC_CLASS_CD) return 0; memset(blob, 0, sizeof(blob)); page5 = blob+8; /* read mode page 5 (with header) */ flags = XS_CTL_DATA_IN; error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); if (error) return error; /* set page length for reassurance */ page5[1] = P5LEN; /* page length */ /* write type packet/incremental */ page5[2] &= 0xf0; /* set specified mode parameters */ track_mode = mmc_writeparams->track_mode; data_mode = mmc_writeparams->data_mode; if (track_mode <= 0 || track_mode > 15) return EINVAL; if (data_mode < 1 || data_mode > 2) return EINVAL; /* if a tracknr is passed, setup according to the track */ if (mmc_writeparams->tracknr > 0) { trackinfo.tracknr = mmc_writeparams->tracknr; error = mmc_gettrackinfo(periph, &trackinfo); if (error) return error; if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { track_mode = trackinfo.track_mode; data_mode = trackinfo.data_mode; } mmc_writeparams->blockingnr = trackinfo.packet_size; } /* copy track mode and data mode from trackinfo */ page5[3] &= 16; /* keep only `Copy' bit */ page5[3] |= (3 << 6) | track_mode; page5[4] &= 0xf0; /* wipe data block type */ if (data_mode == 1) { /* select ISO mode 1 (CD only) */ page5[4] |= 8; /* select session format normal disc (CD only) */ page5[8] = 0; } else { /* select ISO mode 2; XA form 1 (CD only) */ page5[4] |= 10; /* select session format CD-ROM XA disc (CD only) */ page5[8] = 0x20; } if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { /* set BUFE buffer underrun protection */ page5[2] |= 1<<6; } /* allow for multi session */ page5[3] |= 3 << 6; } else { /* select fixed packets */ page5[3] |= 1<<5; _lto4b(mmc_writeparams->blockingnr, &(page5[10])); } /* write out updated mode page 5 (with header) */ flags = XS_CTL_DATA_OUT; error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); if (error) return error; return 0; } static void cd_set_geometry(struct cd_softc *cd) { struct dk_softc *dksc = &cd->sc_dksc; struct disk_geom *dg = &dksc->sc_dkdev.dk_geom; memset(dg, 0, sizeof(*dg)); dg->dg_secperunit = cd->params.disksize; dg->dg_secsize = cd->params.blksize; dg->dg_nsectors = 100; dg->dg_ntracks = 1; disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL); }