2206 lines
51 KiB
C
2206 lines
51 KiB
C
/* $OpenBSD: cd.c,v 1.266 2022/09/01 13:45:27 krw Exp $ */
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/* $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Originally written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/timeout.h>
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#include <sys/fcntl.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/mtio.h>
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#include <sys/buf.h>
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#include <sys/uio.h>
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#include <sys/malloc.h>
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#include <sys/pool.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/disklabel.h>
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#include <sys/disk.h>
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#include <sys/cdio.h>
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#include <sys/conf.h>
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#include <sys/scsiio.h>
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#include <sys/dkio.h>
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#include <sys/vnode.h>
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#include <scsi/scsi_all.h>
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#include <scsi/cd.h>
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#include <scsi/scsi_debug.h>
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#include <scsi/scsi_disk.h> /* rw_10 and start_stop come from there */
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#include <scsi/scsiconf.h>
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#include <ufs/ffs/fs.h> /* for BBSIZE and SBSIZE */
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#define CDOUTSTANDING 4
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#define MAXTRACK 99
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#define CD_FRAMES 75
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#define CD_SECS 60
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struct cd_toc {
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struct ioc_toc_header header;
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struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */
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/* leadout */
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};
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int cdmatch(struct device *, void *, void *);
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void cdattach(struct device *, struct device *, void *);
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int cdactivate(struct device *, int);
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int cddetach(struct device *, int);
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struct cd_softc {
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struct device sc_dev;
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struct disk sc_dk;
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int sc_flags;
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#define CDF_DYING 0x40 /* dying, when deactivated */
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struct scsi_link *sc_link; /* contains targ, lun, etc. */
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struct cd_parms {
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u_int32_t secsize;
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u_int64_t disksize; /* total number sectors */
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} params;
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struct bufq sc_bufq;
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struct scsi_xshandler sc_xsh;
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};
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void cdstart(struct scsi_xfer *);
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void cd_buf_done(struct scsi_xfer *);
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int cd_cmd_rw6(struct scsi_generic *, int, u_int64_t, u_int32_t);
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int cd_cmd_rw10(struct scsi_generic *, int, u_int64_t, u_int32_t);
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int cd_cmd_rw12(struct scsi_generic *, int, u_int64_t, u_int32_t);
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void cdminphys(struct buf *);
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int cdgetdisklabel(dev_t, struct cd_softc *, struct disklabel *, int);
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int cd_setchan(struct cd_softc *, int, int, int, int, int);
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int cd_getvol(struct cd_softc *cd, struct ioc_vol *, int);
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int cd_setvol(struct cd_softc *, const struct ioc_vol *, int);
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int cd_load_unload(struct cd_softc *, int, int);
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int cd_set_pa_immed(struct cd_softc *, int);
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int cd_play(struct cd_softc *, int, int);
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int cd_play_tracks(struct cd_softc *, int, int, int, int);
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int cd_play_msf(struct cd_softc *, int, int, int, int, int, int);
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int cd_pause(struct cd_softc *, int);
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int cd_reset(struct cd_softc *);
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int cd_read_subchannel(struct cd_softc *, int, int, int,
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struct cd_sub_channel_info *, int );
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int cd_read_toc(struct cd_softc *, int, int, void *, int, int);
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int cd_get_parms(struct cd_softc *, int);
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int cd_load_toc(struct cd_softc *, struct cd_toc *, int);
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int cd_interpret_sense(struct scsi_xfer *);
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u_int64_t cd_size(struct scsi_link *, int, u_int32_t *);
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int dvd_auth(struct cd_softc *, union dvd_authinfo *);
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int dvd_read_physical(struct cd_softc *, union dvd_struct *);
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int dvd_read_copyright(struct cd_softc *, union dvd_struct *);
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int dvd_read_disckey(struct cd_softc *, union dvd_struct *);
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int dvd_read_bca(struct cd_softc *, union dvd_struct *);
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int dvd_read_manufact(struct cd_softc *, union dvd_struct *);
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int dvd_read_struct(struct cd_softc *, union dvd_struct *);
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#if defined(__macppc__)
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int cd_eject(void);
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#endif /* __macppc__ */
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const struct cfattach cd_ca = {
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sizeof(struct cd_softc), cdmatch, cdattach,
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cddetach, cdactivate
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};
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struct cfdriver cd_cd = {
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NULL, "cd", DV_DISK
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};
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const struct scsi_inquiry_pattern cd_patterns[] = {
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{T_CDROM, T_REMOV,
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"", "", ""},
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{T_CDROM, T_FIXED,
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"", "", ""},
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{T_WORM, T_REMOV,
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"", "", ""},
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{T_WORM, T_FIXED,
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"", "", ""},
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{T_DIRECT, T_REMOV,
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"NEC CD-ROM DRIVE:260", "", ""},
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#if 0
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{T_CDROM, T_REMOV, /* more luns */
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"PIONEER ", "CD-ROM DRM-600 ", ""},
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#endif /* 0 */
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};
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#define cdlookup(unit) (struct cd_softc *)disk_lookup(&cd_cd, (unit))
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int
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cdmatch(struct device *parent, void *match, void *aux)
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{
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struct scsi_attach_args *sa = aux;
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struct scsi_inquiry_data *inq = &sa->sa_sc_link->inqdata;
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int priority;
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scsi_inqmatch(inq, cd_patterns, nitems(cd_patterns),
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sizeof(cd_patterns[0]), &priority);
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return priority;
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}
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/*
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* The routine called by the low level scsi routine when it discovers
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* A device suitable for this driver
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*/
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void
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cdattach(struct device *parent, struct device *self, void *aux)
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{
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struct cd_softc *sc = (struct cd_softc *)self;
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struct scsi_attach_args *sa = aux;
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struct scsi_link *link = sa->sa_sc_link;
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SC_DEBUG(link, SDEV_DB2, ("cdattach:\n"));
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/*
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* Store information needed to contact our base driver
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*/
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sc->sc_link = link;
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link->interpret_sense = cd_interpret_sense;
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link->device_softc = sc;
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if (link->openings > CDOUTSTANDING)
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link->openings = CDOUTSTANDING;
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/*
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* Initialize disk structures.
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*/
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sc->sc_dk.dk_name = sc->sc_dev.dv_xname;
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bufq_init(&sc->sc_bufq, BUFQ_DEFAULT);
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printf("\n");
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scsi_xsh_set(&sc->sc_xsh, link, cdstart);
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/* Attach disk. */
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sc->sc_dk.dk_flags = DKF_NOLABELREAD;
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disk_attach(&sc->sc_dev, &sc->sc_dk);
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}
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int
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cdactivate(struct device *self, int act)
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{
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struct cd_softc *sc = (struct cd_softc *)self;
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switch (act) {
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case DVACT_RESUME:
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/*
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* When resuming, hardware may have forgotten we locked it. So
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* if there are any open partitions, lock the CD.
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*/
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if (sc->sc_dk.dk_openmask != 0)
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scsi_prevent(sc->sc_link, PR_PREVENT,
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SCSI_IGNORE_ILLEGAL_REQUEST |
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SCSI_IGNORE_MEDIA_CHANGE |
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SCSI_SILENT | SCSI_AUTOCONF);
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break;
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case DVACT_DEACTIVATE:
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SET(sc->sc_flags, CDF_DYING);
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scsi_xsh_del(&sc->sc_xsh);
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break;
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}
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return 0;
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}
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int
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cddetach(struct device *self, int flags)
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{
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struct cd_softc *sc = (struct cd_softc *)self;
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bufq_drain(&sc->sc_bufq);
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disk_gone(cdopen, self->dv_unit);
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/* Detach disk. */
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bufq_destroy(&sc->sc_bufq);
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disk_detach(&sc->sc_dk);
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return 0;
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}
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/*
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* Open the device. Make sure the partition info is as up-to-date as can be.
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*/
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int
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cdopen(dev_t dev, int flag, int fmt, struct proc *p)
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{
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struct scsi_link *link;
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struct cd_softc *sc;
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int error = 0, part, rawopen, unit;
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unit = DISKUNIT(dev);
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part = DISKPART(dev);
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rawopen = (part == RAW_PART) && (fmt == S_IFCHR);
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sc = cdlookup(unit);
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if (sc == NULL)
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return ENXIO;
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if (ISSET(sc->sc_flags, CDF_DYING)) {
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device_unref(&sc->sc_dev);
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return ENXIO;
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}
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link = sc->sc_link;
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SC_DEBUG(link, SDEV_DB1,
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("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit,
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cd_cd.cd_ndevs, part));
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if ((error = disk_lock(&sc->sc_dk)) != 0) {
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device_unref(&sc->sc_dev);
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return error;
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}
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if (sc->sc_dk.dk_openmask != 0) {
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/*
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* If any partition is open, but the disk has been invalidated,
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* disallow further opens.
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*/
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if (!ISSET(link->flags, SDEV_MEDIA_LOADED)) {
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if (rawopen)
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goto out;
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error = EIO;
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goto bad;
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}
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} else {
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/*
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* Check that it is still responding and ok. Drive can be in
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* progress of loading media so use increased retries number
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* and don't ignore NOT_READY.
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*/
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/* Use cd_interpret_sense() now. */
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SET(link->flags, SDEV_OPEN);
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error = scsi_test_unit_ready(link, TEST_READY_RETRIES,
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(rawopen ? SCSI_SILENT : 0) | SCSI_IGNORE_ILLEGAL_REQUEST |
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SCSI_IGNORE_MEDIA_CHANGE);
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/* Start the cd spinning if necessary. */
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if (error == EIO)
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error = scsi_start(link, SSS_START,
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SCSI_IGNORE_ILLEGAL_REQUEST |
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SCSI_IGNORE_MEDIA_CHANGE | SCSI_SILENT);
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if (error) {
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if (rawopen) {
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error = 0;
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goto out;
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} else
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goto bad;
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}
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/* Lock the cd in. */
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error = scsi_prevent(link, PR_PREVENT,
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SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE |
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SCSI_SILENT);
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if (error)
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goto bad;
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/* Load the physical device parameters. */
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SET(link->flags, SDEV_MEDIA_LOADED);
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if (cd_get_parms(sc, (rawopen ? SCSI_SILENT : 0) |
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SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE)) {
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CLR(link->flags, SDEV_MEDIA_LOADED);
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error = ENXIO;
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goto bad;
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}
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SC_DEBUG(link, SDEV_DB3, ("Params loaded\n"));
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/* Fabricate a disk label. */
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cdgetdisklabel(dev, sc, sc->sc_dk.dk_label, 0);
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SC_DEBUG(link, SDEV_DB3, ("Disklabel fabricated\n"));
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}
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out:
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if ((error = disk_openpart(&sc->sc_dk, part, fmt, 1)) != 0)
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goto bad;
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SET(link->flags, SDEV_OPEN);
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SC_DEBUG(link, SDEV_DB3, ("open complete\n"));
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/* It's OK to fall through because dk_openmask is now non-zero. */
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bad:
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if (sc->sc_dk.dk_openmask == 0) {
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scsi_prevent(link, PR_ALLOW,
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SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE |
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SCSI_SILENT);
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CLR(link->flags, SDEV_OPEN | SDEV_MEDIA_LOADED);
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}
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disk_unlock(&sc->sc_dk);
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device_unref(&sc->sc_dev);
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return error;
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}
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/*
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* Close the device. Only called if we are the last occurrence of an open
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* device.
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*/
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int
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cdclose(dev_t dev, int flag, int fmt, struct proc *p)
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{
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struct cd_softc *sc;
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int part = DISKPART(dev);
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sc = cdlookup(DISKUNIT(dev));
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if (sc == NULL)
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return ENXIO;
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if (ISSET(sc->sc_flags, CDF_DYING)) {
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device_unref(&sc->sc_dev);
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return ENXIO;
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}
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|
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disk_lock_nointr(&sc->sc_dk);
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|
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disk_closepart(&sc->sc_dk, part, fmt);
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|
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if (sc->sc_dk.dk_openmask == 0) {
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/* XXXX Must wait for I/O to complete! */
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scsi_prevent(sc->sc_link, PR_ALLOW,
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SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY |
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SCSI_SILENT);
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CLR(sc->sc_link->flags, SDEV_OPEN | SDEV_MEDIA_LOADED);
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if (ISSET(sc->sc_link->flags, SDEV_EJECTING)) {
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scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0);
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|
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CLR(sc->sc_link->flags, SDEV_EJECTING);
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}
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|
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scsi_xsh_del(&sc->sc_xsh);
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}
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|
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disk_unlock(&sc->sc_dk);
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|
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device_unref(&sc->sc_dev);
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return 0;
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}
|
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|
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/*
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* Actually translate the requested transfer into one the physical driver can
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* understand. The transfer is described by a buf and will include only one
|
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* physical transfer.
|
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*/
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void
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cdstrategy(struct buf *bp)
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{
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struct cd_softc *sc;
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int s;
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|
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sc = cdlookup(DISKUNIT(bp->b_dev));
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if (sc == NULL) {
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bp->b_error = ENXIO;
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goto bad;
|
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}
|
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if (ISSET(sc->sc_flags, CDF_DYING)) {
|
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bp->b_error = ENXIO;
|
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goto bad;
|
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}
|
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|
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SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdstrategy: %ld bytes @ blk %lld\n",
|
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bp->b_bcount, (long long)bp->b_blkno));
|
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/*
|
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* If the device has been made invalid, error out
|
|
* maybe the media changed, or no media loaded
|
|
*/
|
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if (!ISSET(sc->sc_link->flags, SDEV_MEDIA_LOADED)) {
|
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bp->b_error = EIO;
|
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goto bad;
|
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}
|
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|
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/* Validate the request. */
|
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if (bounds_check_with_label(bp, sc->sc_dk.dk_label) == -1)
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goto done;
|
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|
|
/* Place it in the queue of disk activities for this disk. */
|
|
bufq_queue(&sc->sc_bufq, bp);
|
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|
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/*
|
|
* Tell the device to get going on the transfer if it's
|
|
* not doing anything, otherwise just wait for completion
|
|
*/
|
|
scsi_xsh_add(&sc->sc_xsh);
|
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|
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device_unref(&sc->sc_dev);
|
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return;
|
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|
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bad:
|
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SET(bp->b_flags, B_ERROR);
|
|
bp->b_resid = bp->b_bcount;
|
|
done:
|
|
s = splbio();
|
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biodone(bp);
|
|
splx(s);
|
|
if (sc != NULL)
|
|
device_unref(&sc->sc_dev);
|
|
}
|
|
|
|
int
|
|
cd_cmd_rw6(struct scsi_generic *generic, int read, u_int64_t secno,
|
|
u_int32_t nsecs)
|
|
{
|
|
struct scsi_rw *cmd = (struct scsi_rw *)generic;
|
|
|
|
cmd->opcode = read ? READ_COMMAND : WRITE_COMMAND;
|
|
_lto3b(secno, cmd->addr);
|
|
cmd->length = nsecs & 0xff;
|
|
|
|
return sizeof(*cmd);
|
|
}
|
|
|
|
int
|
|
cd_cmd_rw10(struct scsi_generic *generic, int read, u_int64_t secno,
|
|
u_int32_t nsecs)
|
|
{
|
|
struct scsi_rw_10 *cmd = (struct scsi_rw_10 *)generic;
|
|
|
|
cmd->opcode = read ? READ_10 : WRITE_10;
|
|
_lto4b(secno, cmd->addr);
|
|
_lto2b(nsecs, cmd->length);
|
|
|
|
return sizeof(*cmd);
|
|
}
|
|
|
|
int
|
|
cd_cmd_rw12(struct scsi_generic *generic, int read, u_int64_t secno,
|
|
u_int32_t nsecs)
|
|
{
|
|
struct scsi_rw_12 *cmd = (struct scsi_rw_12 *)generic;
|
|
|
|
cmd->opcode = read ? READ_12 : WRITE_12;
|
|
_lto4b(secno, cmd->addr);
|
|
_lto4b(nsecs, cmd->length);
|
|
|
|
return sizeof(*cmd);
|
|
}
|
|
|
|
/*
|
|
* cdstart looks to see if there is a buf waiting for the device
|
|
* and that the device is not already busy. If both are true,
|
|
* It dequeues the buf and creates a scsi command to perform the
|
|
* transfer in the buf. The transfer request will call scsi_done
|
|
* on completion, which will in turn call this routine again
|
|
* so that the next queued transfer is performed.
|
|
* The bufs are queued by the strategy routine (cdstrategy)
|
|
*
|
|
* This routine is also called after other non-queued requests
|
|
* have been made of the scsi driver, to ensure that the queue
|
|
* continues to be drained.
|
|
*
|
|
* must be called at the correct (highish) spl level
|
|
* cdstart() is called at splbio from cdstrategy and scsi_done
|
|
*/
|
|
void
|
|
cdstart(struct scsi_xfer *xs)
|
|
{
|
|
struct scsi_link *link = xs->sc_link;
|
|
struct cd_softc *sc = link->device_softc;
|
|
struct buf *bp;
|
|
struct partition *p;
|
|
u_int64_t secno;
|
|
u_int32_t nsecs;
|
|
int read;
|
|
|
|
SC_DEBUG(link, SDEV_DB2, ("cdstart\n"));
|
|
|
|
if (ISSET(sc->sc_flags, CDF_DYING)) {
|
|
scsi_xs_put(xs);
|
|
return;
|
|
}
|
|
|
|
if (!ISSET(link->flags, SDEV_MEDIA_LOADED)) {
|
|
bufq_drain(&sc->sc_bufq);
|
|
scsi_xs_put(xs);
|
|
return;
|
|
}
|
|
|
|
bp = bufq_dequeue(&sc->sc_bufq);
|
|
if (bp == NULL) {
|
|
scsi_xs_put(xs);
|
|
return;
|
|
}
|
|
read = ISSET(bp->b_flags, B_READ);
|
|
|
|
SET(xs->flags, (read ? SCSI_DATA_IN : SCSI_DATA_OUT));
|
|
xs->timeout = 30000;
|
|
xs->data = bp->b_data;
|
|
xs->datalen = bp->b_bcount;
|
|
xs->done = cd_buf_done;
|
|
xs->cookie = bp;
|
|
xs->bp = bp;
|
|
|
|
p = &sc->sc_dk.dk_label->d_partitions[DISKPART(bp->b_dev)];
|
|
secno = DL_GETPOFFSET(p) + DL_BLKTOSEC(sc->sc_dk.dk_label, bp->b_blkno);
|
|
nsecs = howmany(bp->b_bcount, sc->sc_dk.dk_label->d_secsize);
|
|
|
|
if (!ISSET(link->flags, SDEV_ATAPI | SDEV_UMASS) &&
|
|
(SID_ANSII_REV(&link->inqdata) < SCSI_REV_2) &&
|
|
((secno & 0x1fffff) == secno) &&
|
|
((nsecs & 0xff) == nsecs))
|
|
xs->cmdlen = cd_cmd_rw6(&xs->cmd, read, secno, nsecs);
|
|
else if (((secno & 0xffffffff) == secno) &&
|
|
((nsecs & 0xffff) == nsecs))
|
|
xs->cmdlen = cd_cmd_rw10(&xs->cmd, read, secno, nsecs);
|
|
else
|
|
xs->cmdlen = cd_cmd_rw12(&xs->cmd, read, secno, nsecs);
|
|
|
|
disk_busy(&sc->sc_dk);
|
|
scsi_xs_exec(xs);
|
|
|
|
/* Move onto the next io. */
|
|
if (bufq_peek(&sc->sc_bufq))
|
|
scsi_xsh_add(&sc->sc_xsh);
|
|
}
|
|
|
|
void
|
|
cd_buf_done(struct scsi_xfer *xs)
|
|
{
|
|
struct cd_softc *sc = xs->sc_link->device_softc;
|
|
struct buf *bp = xs->cookie;
|
|
int error, s;
|
|
|
|
switch (xs->error) {
|
|
case XS_NOERROR:
|
|
bp->b_error = 0;
|
|
CLR(bp->b_flags, B_ERROR);
|
|
bp->b_resid = xs->resid;
|
|
break;
|
|
|
|
case XS_SENSE:
|
|
case XS_SHORTSENSE:
|
|
SC_DEBUG_SENSE(xs);
|
|
error = cd_interpret_sense(xs);
|
|
if (error == 0) {
|
|
bp->b_error = 0;
|
|
CLR(bp->b_flags, B_ERROR);
|
|
bp->b_resid = xs->resid;
|
|
break;
|
|
}
|
|
if (error != ERESTART)
|
|
xs->retries = 0;
|
|
goto retry;
|
|
|
|
case XS_BUSY:
|
|
if (xs->retries) {
|
|
if (scsi_delay(xs, 1) != ERESTART)
|
|
xs->retries = 0;
|
|
}
|
|
goto retry;
|
|
|
|
case XS_TIMEOUT:
|
|
retry:
|
|
if (xs->retries--) {
|
|
scsi_xs_exec(xs);
|
|
return;
|
|
}
|
|
/* FALLTHROUGH */
|
|
|
|
default:
|
|
bp->b_error = EIO;
|
|
SET(bp->b_flags, B_ERROR);
|
|
bp->b_resid = bp->b_bcount;
|
|
break;
|
|
}
|
|
|
|
disk_unbusy(&sc->sc_dk, bp->b_bcount - xs->resid, bp->b_blkno,
|
|
bp->b_flags & B_READ);
|
|
|
|
s = splbio();
|
|
biodone(bp);
|
|
splx(s);
|
|
scsi_xs_put(xs);
|
|
}
|
|
|
|
void
|
|
cdminphys(struct buf *bp)
|
|
{
|
|
struct scsi_link *link;
|
|
struct cd_softc *sc;
|
|
long max;
|
|
|
|
sc = cdlookup(DISKUNIT(bp->b_dev));
|
|
if (sc == NULL)
|
|
return;
|
|
link = sc->sc_link;
|
|
|
|
/*
|
|
* 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 (!ISSET(link->flags, SDEV_ATAPI | SDEV_UMASS) &&
|
|
SID_ANSII_REV(&link->inqdata) < SCSI_REV_2) {
|
|
max = sc->sc_dk.dk_label->d_secsize * 0xff;
|
|
|
|
if (bp->b_bcount > max)
|
|
bp->b_bcount = max;
|
|
}
|
|
|
|
if (link->bus->sb_adapter->dev_minphys != NULL)
|
|
(*link->bus->sb_adapter->dev_minphys)(bp, link);
|
|
else
|
|
minphys(bp);
|
|
|
|
device_unref(&sc->sc_dev);
|
|
}
|
|
|
|
int
|
|
cdread(dev_t dev, struct uio *uio, int ioflag)
|
|
{
|
|
return physio(cdstrategy, dev, B_READ, cdminphys, uio);
|
|
}
|
|
|
|
int
|
|
cdwrite(dev_t dev, struct uio *uio, int ioflag)
|
|
{
|
|
return physio(cdstrategy, dev, B_WRITE, cdminphys, uio);
|
|
}
|
|
|
|
/*
|
|
* Perform special action on behalf of the user.
|
|
* Knows about the internals of this device
|
|
*/
|
|
int
|
|
cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
|
|
{
|
|
struct cd_softc *sc;
|
|
struct disklabel *lp;
|
|
int part = DISKPART(dev);
|
|
int error = 0;
|
|
|
|
sc = cdlookup(DISKUNIT(dev));
|
|
if (sc == NULL)
|
|
return ENXIO;
|
|
if (ISSET(sc->sc_flags, CDF_DYING)) {
|
|
device_unref(&sc->sc_dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdioctl 0x%lx\n", cmd));
|
|
|
|
/*
|
|
* If the device is not valid.. abandon ship
|
|
*/
|
|
if (!ISSET(sc->sc_link->flags, SDEV_MEDIA_LOADED)) {
|
|
switch (cmd) {
|
|
case DIOCLOCK:
|
|
case DIOCEJECT:
|
|
case SCIOCIDENTIFY:
|
|
case SCIOCCOMMAND:
|
|
case SCIOCDEBUG:
|
|
case CDIOCLOADUNLOAD:
|
|
case SCIOCRESET:
|
|
case CDIOCGETVOL:
|
|
case CDIOCSETVOL:
|
|
case CDIOCSETMONO:
|
|
case CDIOCSETSTEREO:
|
|
case CDIOCSETMUTE:
|
|
case CDIOCSETLEFT:
|
|
case CDIOCSETRIGHT:
|
|
case CDIOCCLOSE:
|
|
case CDIOCEJECT:
|
|
case CDIOCALLOW:
|
|
case CDIOCPREVENT:
|
|
case CDIOCSETDEBUG:
|
|
case CDIOCCLRDEBUG:
|
|
case CDIOCRESET:
|
|
case DVD_AUTH:
|
|
case DVD_READ_STRUCT:
|
|
case MTIOCTOP:
|
|
if (part == RAW_PART)
|
|
break;
|
|
/* FALLTHROUGH */
|
|
default:
|
|
if (!ISSET(sc->sc_link->flags, SDEV_OPEN))
|
|
error = ENODEV;
|
|
else
|
|
error = EIO;
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
switch (cmd) {
|
|
case DIOCRLDINFO:
|
|
lp = malloc(sizeof(*lp), M_TEMP, M_WAITOK);
|
|
cdgetdisklabel(dev, sc, lp, 0);
|
|
memcpy(sc->sc_dk.dk_label, lp, sizeof(*lp));
|
|
free(lp, M_TEMP, sizeof(*lp));
|
|
break;
|
|
|
|
case DIOCGPDINFO:
|
|
cdgetdisklabel(dev, sc, (struct disklabel *)addr, 1);
|
|
break;
|
|
|
|
case DIOCGDINFO:
|
|
*(struct disklabel *)addr = *(sc->sc_dk.dk_label);
|
|
break;
|
|
|
|
case DIOCGPART:
|
|
((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label;
|
|
((struct partinfo *)addr)->part =
|
|
&sc->sc_dk.dk_label->d_partitions[DISKPART(dev)];
|
|
break;
|
|
|
|
case DIOCWDINFO:
|
|
case DIOCSDINFO:
|
|
if (!ISSET(flag, FWRITE)) {
|
|
error = EBADF;
|
|
break;
|
|
}
|
|
|
|
if ((error = disk_lock(&sc->sc_dk)) != 0)
|
|
break;
|
|
|
|
error = setdisklabel(sc->sc_dk.dk_label,
|
|
(struct disklabel *)addr, sc->sc_dk.dk_openmask);
|
|
if (error == 0) {
|
|
}
|
|
|
|
disk_unlock(&sc->sc_dk);
|
|
break;
|
|
|
|
case CDIOCPLAYTRACKS: {
|
|
struct ioc_play_track *args = (struct ioc_play_track *)addr;
|
|
|
|
if ((error = cd_set_pa_immed(sc, 0)) != 0)
|
|
break;
|
|
error = cd_play_tracks(sc, args->start_track,
|
|
args->start_index, args->end_track, args->end_index);
|
|
break;
|
|
}
|
|
case CDIOCPLAYMSF: {
|
|
struct ioc_play_msf *args = (struct ioc_play_msf *)addr;
|
|
|
|
if ((error = cd_set_pa_immed(sc, 0)) != 0)
|
|
break;
|
|
error = cd_play_msf(sc, args->start_m, args->start_s,
|
|
args->start_f, args->end_m, args->end_s, args->end_f);
|
|
break;
|
|
}
|
|
case CDIOCPLAYBLOCKS: {
|
|
struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr;
|
|
|
|
if ((error = cd_set_pa_immed(sc, 0)) != 0)
|
|
break;
|
|
error = cd_play(sc, args->blk, args->len);
|
|
break;
|
|
}
|
|
case CDIOCREADSUBCHANNEL: {
|
|
struct ioc_read_subchannel *args =
|
|
(struct ioc_read_subchannel *)addr;
|
|
struct cd_sub_channel_info *data;
|
|
int len = args->data_len;
|
|
|
|
if (len > sizeof(*data) ||
|
|
len < sizeof(struct cd_sub_channel_header)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
data = dma_alloc(sizeof(*data), PR_WAITOK);
|
|
error = cd_read_subchannel(sc, args->address_format,
|
|
args->data_format, args->track, data, len);
|
|
if (error) {
|
|
dma_free(data, sizeof(*data));
|
|
break;
|
|
}
|
|
len = min(len, _2btol(data->header.data_len) +
|
|
sizeof(struct cd_sub_channel_header));
|
|
error = copyout(data, args->data, len);
|
|
dma_free(data, sizeof(*data));
|
|
break;
|
|
}
|
|
case CDIOREADTOCHEADER: {
|
|
struct ioc_toc_header *th;
|
|
|
|
th = dma_alloc(sizeof(*th), PR_WAITOK);
|
|
if ((error = cd_read_toc(sc, 0, 0, th, sizeof(*th), 0)) != 0) {
|
|
dma_free(th, sizeof(*th));
|
|
break;
|
|
}
|
|
if (ISSET(sc->sc_link->quirks, ADEV_LITTLETOC))
|
|
th->len = letoh16(th->len);
|
|
else
|
|
th->len = betoh16(th->len);
|
|
if (th->len > 0)
|
|
memcpy(addr, th, sizeof(*th));
|
|
else
|
|
error = EIO;
|
|
dma_free(th, sizeof(*th));
|
|
break;
|
|
}
|
|
case CDIOREADTOCENTRYS: {
|
|
struct cd_toc *toc;
|
|
struct ioc_read_toc_entry *te =
|
|
(struct ioc_read_toc_entry *)addr;
|
|
struct ioc_toc_header *th;
|
|
struct cd_toc_entry *cte;
|
|
int len = te->data_len;
|
|
int ntracks;
|
|
|
|
toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO);
|
|
|
|
th = &toc->header;
|
|
|
|
if (len > sizeof(toc->entries) ||
|
|
len < sizeof(struct cd_toc_entry)) {
|
|
dma_free(toc, sizeof(*toc));
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = cd_read_toc(sc, te->address_format, te->starting_track,
|
|
toc, len + sizeof(struct ioc_toc_header), 0);
|
|
if (error) {
|
|
dma_free(toc, sizeof(*toc));
|
|
break;
|
|
}
|
|
if (te->address_format == CD_LBA_FORMAT)
|
|
for (ntracks =
|
|
th->ending_track - th->starting_track + 1;
|
|
ntracks >= 0; ntracks--) {
|
|
cte = &toc->entries[ntracks];
|
|
cte->addr_type = CD_LBA_FORMAT;
|
|
if (ISSET(sc->sc_link->quirks,
|
|
ADEV_LITTLETOC)) {
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
swap16_multi((u_int16_t *)&cte->addr,
|
|
sizeof(cte->addr) / 2);
|
|
#endif /* BYTE_ORDER == BIG_ENDIAN */
|
|
} else
|
|
cte->addr.lba = betoh32(cte->addr.lba);
|
|
}
|
|
if (ISSET(sc->sc_link->quirks, ADEV_LITTLETOC)) {
|
|
th->len = letoh16(th->len);
|
|
} else
|
|
th->len = betoh16(th->len);
|
|
len = min(len, th->len - (sizeof(th->starting_track) +
|
|
sizeof(th->ending_track)));
|
|
|
|
error = copyout(toc->entries, te->data, len);
|
|
dma_free(toc, sizeof(*toc));
|
|
break;
|
|
}
|
|
case CDIOREADMSADDR: {
|
|
struct cd_toc *toc;
|
|
int sessno = *(int *)addr;
|
|
struct cd_toc_entry *cte;
|
|
|
|
if (sessno != 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO);
|
|
|
|
error = cd_read_toc(sc, 0, 0, toc,
|
|
sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry),
|
|
0x40 /* control word for "get MS info" */);
|
|
|
|
if (error) {
|
|
dma_free(toc, sizeof(*toc));
|
|
break;
|
|
}
|
|
|
|
cte = &toc->entries[0];
|
|
if (ISSET(sc->sc_link->quirks, ADEV_LITTLETOC)) {
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
swap16_multi((u_int16_t *)&cte->addr,
|
|
sizeof(cte->addr) / 2);
|
|
#endif /* BYTE_ORDER == BIG_ENDIAN */
|
|
} else
|
|
cte->addr.lba = betoh32(cte->addr.lba);
|
|
if (ISSET(sc->sc_link->quirks, ADEV_LITTLETOC))
|
|
toc->header.len = letoh16(toc->header.len);
|
|
else
|
|
toc->header.len = betoh16(toc->header.len);
|
|
|
|
*(int *)addr = (toc->header.len >= 10 && cte->track > 1) ?
|
|
cte->addr.lba : 0;
|
|
dma_free(toc, sizeof(*toc));
|
|
break;
|
|
}
|
|
case CDIOCSETPATCH: {
|
|
struct ioc_patch *arg = (struct ioc_patch *)addr;
|
|
|
|
error = cd_setchan(sc, arg->patch[0], arg->patch[1],
|
|
arg->patch[2], arg->patch[3], 0);
|
|
break;
|
|
}
|
|
case CDIOCGETVOL: {
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
error = cd_getvol(sc, arg, 0);
|
|
break;
|
|
}
|
|
case CDIOCSETVOL: {
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
error = cd_setvol(sc, arg, 0);
|
|
break;
|
|
}
|
|
|
|
case CDIOCSETMONO:
|
|
error = cd_setchan(sc, BOTH_CHANNEL, BOTH_CHANNEL, MUTE_CHANNEL,
|
|
MUTE_CHANNEL, 0);
|
|
break;
|
|
|
|
case CDIOCSETSTEREO:
|
|
error = cd_setchan(sc, LEFT_CHANNEL, RIGHT_CHANNEL,
|
|
MUTE_CHANNEL, MUTE_CHANNEL, 0);
|
|
break;
|
|
|
|
case CDIOCSETMUTE:
|
|
error = cd_setchan(sc, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL,
|
|
MUTE_CHANNEL, 0);
|
|
break;
|
|
|
|
case CDIOCSETLEFT:
|
|
error = cd_setchan(sc, LEFT_CHANNEL, LEFT_CHANNEL, MUTE_CHANNEL,
|
|
MUTE_CHANNEL, 0);
|
|
break;
|
|
|
|
case CDIOCSETRIGHT:
|
|
error = cd_setchan(sc, RIGHT_CHANNEL, RIGHT_CHANNEL,
|
|
MUTE_CHANNEL, MUTE_CHANNEL, 0);
|
|
break;
|
|
|
|
case CDIOCRESUME:
|
|
error = cd_pause(sc, 1);
|
|
break;
|
|
|
|
case CDIOCPAUSE:
|
|
error = cd_pause(sc, 0);
|
|
break;
|
|
case CDIOCSTART:
|
|
error = scsi_start(sc->sc_link, SSS_START, 0);
|
|
break;
|
|
|
|
case CDIOCSTOP:
|
|
error = scsi_start(sc->sc_link, SSS_STOP, 0);
|
|
break;
|
|
|
|
close_tray:
|
|
case CDIOCCLOSE:
|
|
error = scsi_start(sc->sc_link, SSS_START|SSS_LOEJ,
|
|
SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
|
|
break;
|
|
|
|
case MTIOCTOP:
|
|
if (((struct mtop *)addr)->mt_op == MTRETEN)
|
|
goto close_tray;
|
|
if (((struct mtop *)addr)->mt_op != MTOFFL) {
|
|
error = EIO;
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case CDIOCEJECT: /* FALLTHROUGH */
|
|
case DIOCEJECT:
|
|
SET(sc->sc_link->flags, SDEV_EJECTING);
|
|
break;
|
|
case CDIOCALLOW:
|
|
error = scsi_prevent(sc->sc_link, PR_ALLOW, 0);
|
|
break;
|
|
case CDIOCPREVENT:
|
|
error = scsi_prevent(sc->sc_link, PR_PREVENT, 0);
|
|
break;
|
|
case DIOCLOCK:
|
|
error = scsi_prevent(sc->sc_link,
|
|
(*(int *)addr) ? PR_PREVENT : PR_ALLOW, 0);
|
|
break;
|
|
case CDIOCSETDEBUG:
|
|
SET(sc->sc_link->flags, SDEV_DB1 | SDEV_DB2);
|
|
break;
|
|
case CDIOCCLRDEBUG:
|
|
CLR(sc->sc_link->flags, SDEV_DB1 | SDEV_DB2);
|
|
break;
|
|
case CDIOCRESET:
|
|
case SCIOCRESET:
|
|
error = cd_reset(sc);
|
|
break;
|
|
case CDIOCLOADUNLOAD: {
|
|
struct ioc_load_unload *args = (struct ioc_load_unload *)addr;
|
|
|
|
error = cd_load_unload(sc, args->options, args->slot);
|
|
break;
|
|
}
|
|
|
|
case DVD_AUTH:
|
|
error = dvd_auth(sc, (union dvd_authinfo *)addr);
|
|
break;
|
|
case DVD_READ_STRUCT:
|
|
error = dvd_read_struct(sc, (union dvd_struct *)addr);
|
|
break;
|
|
default:
|
|
if (DISKPART(dev) != RAW_PART) {
|
|
error = ENOTTY;
|
|
break;
|
|
}
|
|
error = scsi_do_ioctl(sc->sc_link, cmd, addr, flag);
|
|
break;
|
|
}
|
|
|
|
exit:
|
|
|
|
device_unref(&sc->sc_dev);
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Load the label information on the named device
|
|
* Actually fabricate a disklabel
|
|
*
|
|
* EVENTUALLY take information about different
|
|
* data tracks from the TOC and put it in the disklabel
|
|
*/
|
|
int
|
|
cdgetdisklabel(dev_t dev, struct cd_softc *sc, struct disklabel *lp,
|
|
int spoofonly)
|
|
{
|
|
struct cd_toc *toc;
|
|
int tocidx, n, audioonly = 1;
|
|
|
|
bzero(lp, sizeof(struct disklabel));
|
|
|
|
lp->d_secsize = sc->params.secsize;
|
|
lp->d_ntracks = 1;
|
|
lp->d_nsectors = 100;
|
|
lp->d_secpercyl = 100;
|
|
lp->d_ncylinders = (sc->params.disksize / 100) + 1;
|
|
|
|
if (ISSET(sc->sc_link->flags, SDEV_ATAPI)) {
|
|
strncpy(lp->d_typename, "ATAPI CD-ROM", sizeof(lp->d_typename));
|
|
lp->d_type = DTYPE_ATAPI;
|
|
} else {
|
|
strncpy(lp->d_typename, "SCSI CD-ROM", sizeof(lp->d_typename));
|
|
lp->d_type = DTYPE_SCSI;
|
|
}
|
|
|
|
strncpy(lp->d_packname, "fictitious", sizeof(lp->d_packname));
|
|
DL_SETDSIZE(lp, sc->params.disksize);
|
|
lp->d_version = 1;
|
|
|
|
lp->d_magic = DISKMAGIC;
|
|
lp->d_magic2 = DISKMAGIC;
|
|
lp->d_checksum = dkcksum(lp);
|
|
|
|
toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO);
|
|
if (cd_load_toc(sc, toc, CD_LBA_FORMAT)) {
|
|
audioonly = 0; /* No valid TOC found == not an audio CD. */
|
|
goto done;
|
|
}
|
|
|
|
n = toc->header.ending_track - toc->header.starting_track + 1;
|
|
for (tocidx = 0; tocidx < n; tocidx++)
|
|
if (toc->entries[tocidx].control & 4) {
|
|
audioonly = 0; /* Found a non-audio track. */
|
|
goto done;
|
|
}
|
|
|
|
done:
|
|
dma_free(toc, sizeof(*toc));
|
|
|
|
if (audioonly)
|
|
return 0;
|
|
return readdisklabel(DISKLABELDEV(dev), cdstrategy, lp, spoofonly);
|
|
}
|
|
|
|
int
|
|
cd_setchan(struct cd_softc *sc, int p0, int p1, int p2, int p3, int flags)
|
|
{
|
|
union scsi_mode_sense_buf *data;
|
|
struct cd_audio_page *audio = NULL;
|
|
int error, big;
|
|
|
|
data = dma_alloc(sizeof(*data), PR_NOWAIT);
|
|
if (data == NULL)
|
|
return ENOMEM;
|
|
|
|
error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data,
|
|
(void **)&audio, sizeof(*audio), flags, &big);
|
|
if (error == 0 && audio == NULL)
|
|
error = EIO;
|
|
|
|
if (error == 0) {
|
|
audio->port[LEFT_PORT].channels = p0;
|
|
audio->port[RIGHT_PORT].channels = p1;
|
|
audio->port[2].channels = p2;
|
|
audio->port[3].channels = p3;
|
|
if (big)
|
|
error = scsi_mode_select_big(sc->sc_link, SMS_PF,
|
|
&data->hdr_big, flags, 20000);
|
|
else
|
|
error = scsi_mode_select(sc->sc_link, SMS_PF,
|
|
&data->hdr, flags, 20000);
|
|
}
|
|
|
|
dma_free(data, sizeof(*data));
|
|
return error;
|
|
}
|
|
|
|
int
|
|
cd_getvol(struct cd_softc *sc, struct ioc_vol *arg, int flags)
|
|
{
|
|
union scsi_mode_sense_buf *data;
|
|
struct cd_audio_page *audio = NULL;
|
|
int big, error;
|
|
|
|
data = dma_alloc(sizeof(*data), PR_NOWAIT);
|
|
if (data == NULL)
|
|
return ENOMEM;
|
|
|
|
error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data,
|
|
(void **)&audio, sizeof(*audio), flags, &big);
|
|
if (error == 0 && audio == NULL)
|
|
error = EIO;
|
|
|
|
if (error == 0) {
|
|
arg->vol[0] = audio->port[0].volume;
|
|
arg->vol[1] = audio->port[1].volume;
|
|
arg->vol[2] = audio->port[2].volume;
|
|
arg->vol[3] = audio->port[3].volume;
|
|
}
|
|
|
|
dma_free(data, sizeof(*data));
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
cd_setvol(struct cd_softc *sc, const struct ioc_vol *arg, int flags)
|
|
{
|
|
union scsi_mode_sense_buf *data;
|
|
struct cd_audio_page *audio = NULL;
|
|
u_int8_t mask_volume[4];
|
|
int error, big;
|
|
|
|
data = dma_alloc(sizeof(*data), PR_NOWAIT);
|
|
if (data == NULL)
|
|
return ENOMEM;
|
|
|
|
error = scsi_do_mode_sense(sc->sc_link,
|
|
AUDIO_PAGE | SMS_PAGE_CTRL_CHANGEABLE, data, (void **)&audio,
|
|
sizeof(*audio), flags, &big);
|
|
if (error == 0 && audio == NULL)
|
|
error = EIO;
|
|
if (error != 0) {
|
|
dma_free(data, sizeof(*data));
|
|
return error;
|
|
}
|
|
|
|
mask_volume[0] = audio->port[0].volume;
|
|
mask_volume[1] = audio->port[1].volume;
|
|
mask_volume[2] = audio->port[2].volume;
|
|
mask_volume[3] = audio->port[3].volume;
|
|
|
|
error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data,
|
|
(void **)&audio, sizeof(*audio), flags, &big);
|
|
if (error == 0 && audio == NULL)
|
|
error = EIO;
|
|
if (error != 0) {
|
|
dma_free(data, sizeof(*data));
|
|
return error;
|
|
}
|
|
|
|
audio->port[0].volume = arg->vol[0] & mask_volume[0];
|
|
audio->port[1].volume = arg->vol[1] & mask_volume[1];
|
|
audio->port[2].volume = arg->vol[2] & mask_volume[2];
|
|
audio->port[3].volume = arg->vol[3] & mask_volume[3];
|
|
|
|
if (big)
|
|
error = scsi_mode_select_big(sc->sc_link, SMS_PF,
|
|
&data->hdr_big, flags, 20000);
|
|
else
|
|
error = scsi_mode_select(sc->sc_link, SMS_PF,
|
|
&data->hdr, flags, 20000);
|
|
|
|
dma_free(data, sizeof(*data));
|
|
return error;
|
|
}
|
|
|
|
int
|
|
cd_load_unload(struct cd_softc *sc, int options, int slot)
|
|
{
|
|
struct scsi_load_unload *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, 0);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->timeout = 200000;
|
|
|
|
cmd = (struct scsi_load_unload *)&xs->cmd;
|
|
cmd->opcode = LOAD_UNLOAD;
|
|
cmd->options = options; /* ioctl uses ATAPI values */
|
|
cmd->slot = slot;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
int
|
|
cd_set_pa_immed(struct cd_softc *sc, int flags)
|
|
{
|
|
union scsi_mode_sense_buf *data;
|
|
struct cd_audio_page *audio = NULL;
|
|
int error, oflags, big;
|
|
|
|
if (ISSET(sc->sc_link->flags, SDEV_ATAPI))
|
|
/* XXX Noop? */
|
|
return 0;
|
|
|
|
data = dma_alloc(sizeof(*data), PR_NOWAIT);
|
|
if (data == NULL)
|
|
return ENOMEM;
|
|
|
|
error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data,
|
|
(void **)&audio, sizeof(*audio), flags, &big);
|
|
if (error == 0 && audio == NULL)
|
|
error = EIO;
|
|
|
|
if (error == 0) {
|
|
oflags = audio->flags;
|
|
CLR(audio->flags, CD_PA_SOTC);
|
|
SET(audio->flags, CD_PA_IMMED);
|
|
if (audio->flags != oflags) {
|
|
if (big)
|
|
error = scsi_mode_select_big(sc->sc_link,
|
|
SMS_PF, &data->hdr_big, flags, 20000);
|
|
else
|
|
error = scsi_mode_select(sc->sc_link, SMS_PF,
|
|
&data->hdr, flags, 20000);
|
|
}
|
|
}
|
|
|
|
dma_free(data, sizeof(*data));
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Get scsi driver to send a "start playing" command
|
|
*/
|
|
int
|
|
cd_play(struct cd_softc *sc, int secno, int nsecs)
|
|
{
|
|
struct scsi_play *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, 0);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->timeout = 200000;
|
|
|
|
cmd = (struct scsi_play *)&xs->cmd;
|
|
cmd->opcode = PLAY;
|
|
_lto4b(secno, cmd->blk_addr);
|
|
_lto2b(nsecs, cmd->xfer_len);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Get scsi driver to send a "start playing" command
|
|
*/
|
|
int
|
|
cd_play_tracks(struct cd_softc *sc, int strack, int sindex, int etrack,
|
|
int eindex)
|
|
{
|
|
struct cd_toc *toc;
|
|
int error;
|
|
u_char endf, ends, endm;
|
|
|
|
if (!etrack)
|
|
return EIO;
|
|
if (strack > etrack)
|
|
return EINVAL;
|
|
|
|
toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO);
|
|
|
|
if ((error = cd_load_toc(sc, toc, CD_MSF_FORMAT)) != 0)
|
|
goto done;
|
|
|
|
if (++etrack > (toc->header.ending_track+1))
|
|
etrack = toc->header.ending_track+1;
|
|
|
|
strack -= toc->header.starting_track;
|
|
etrack -= toc->header.starting_track;
|
|
if (strack < 0) {
|
|
error = EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* The track ends one frame before the next begins. The last track
|
|
* is taken care of by the leadoff track.
|
|
*/
|
|
endm = toc->entries[etrack].addr.msf.minute;
|
|
ends = toc->entries[etrack].addr.msf.second;
|
|
endf = toc->entries[etrack].addr.msf.frame;
|
|
if (endf-- == 0) {
|
|
endf = CD_FRAMES - 1;
|
|
if (ends-- == 0) {
|
|
ends = CD_SECS - 1;
|
|
if (endm-- == 0) {
|
|
error = EINVAL;
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
|
|
error = cd_play_msf(sc, toc->entries[strack].addr.msf.minute,
|
|
toc->entries[strack].addr.msf.second,
|
|
toc->entries[strack].addr.msf.frame,
|
|
endm, ends, endf);
|
|
|
|
done:
|
|
dma_free(toc, sizeof(*toc));
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Get scsi driver to send a "play msf" command
|
|
*/
|
|
int
|
|
cd_play_msf(struct cd_softc *sc, int startm, int starts, int startf, int endm,
|
|
int ends, int endf)
|
|
{
|
|
struct scsi_play_msf *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, 0);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->timeout = 20000;
|
|
|
|
cmd = (struct scsi_play_msf *)&xs->cmd;
|
|
cmd->opcode = PLAY_MSF;
|
|
cmd->start_m = startm;
|
|
cmd->start_s = starts;
|
|
cmd->start_f = startf;
|
|
cmd->end_m = endm;
|
|
cmd->end_s = ends;
|
|
cmd->end_f = endf;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Get scsi driver to send a "start up" command
|
|
*/
|
|
int
|
|
cd_pause(struct cd_softc *sc, int go)
|
|
{
|
|
struct scsi_pause *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, 0);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->timeout = 2000;
|
|
|
|
cmd = (struct scsi_pause *)&xs->cmd;
|
|
cmd->opcode = PAUSE;
|
|
cmd->resume = go;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Get scsi driver to send a "RESET" command
|
|
*/
|
|
int
|
|
cd_reset(struct cd_softc *sc)
|
|
{
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_RESET);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
|
|
xs->timeout = 2000;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Read subchannel
|
|
*/
|
|
int
|
|
cd_read_subchannel(struct cd_softc *sc, int mode, int format, int track,
|
|
struct cd_sub_channel_info *data, int len)
|
|
{
|
|
struct scsi_read_subchannel *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN | SCSI_SILENT);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = (void *)data;
|
|
xs->datalen = len;
|
|
xs->timeout = 5000;
|
|
|
|
cmd = (struct scsi_read_subchannel *)&xs->cmd;
|
|
cmd->opcode = READ_SUBCHANNEL;
|
|
if (mode == CD_MSF_FORMAT)
|
|
SET(cmd->byte2, CD_MSF);
|
|
cmd->byte3 = SRS_SUBQ;
|
|
cmd->subchan_format = format;
|
|
cmd->track = track;
|
|
_lto2b(len, cmd->data_len);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Read table of contents
|
|
*/
|
|
int
|
|
cd_read_toc(struct cd_softc *sc, int mode, int start, void *data, int len,
|
|
int control)
|
|
{
|
|
struct scsi_read_toc *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN |
|
|
SCSI_IGNORE_ILLEGAL_REQUEST);
|
|
if (xs == NULL)
|
|
return ENOMEM;
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = data;
|
|
xs->datalen = len;
|
|
xs->timeout = 5000;
|
|
|
|
bzero(data, len);
|
|
|
|
cmd = (struct scsi_read_toc *)&xs->cmd;
|
|
cmd->opcode = READ_TOC;
|
|
|
|
if (mode == CD_MSF_FORMAT)
|
|
SET(cmd->byte2, CD_MSF);
|
|
cmd->from_track = start;
|
|
_lto2b(len, cmd->data_len);
|
|
cmd->control = control;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
return error;
|
|
}
|
|
|
|
int
|
|
cd_load_toc(struct cd_softc *sc, struct cd_toc *toc, int fmt)
|
|
{
|
|
int n, len, error;
|
|
|
|
error = cd_read_toc(sc, 0, 0, toc, sizeof(toc->header), 0);
|
|
|
|
if (error == 0) {
|
|
if (toc->header.ending_track < toc->header.starting_track)
|
|
return EIO;
|
|
/* +2 to account for leading out track. */
|
|
n = toc->header.ending_track - toc->header.starting_track + 2;
|
|
len = n * sizeof(struct cd_toc_entry) + sizeof(toc->header);
|
|
error = cd_read_toc(sc, fmt, 0, toc, len, 0);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get the scsi driver to send a full inquiry to the device and use the
|
|
* results to fill out the disk parameter structure.
|
|
*/
|
|
int
|
|
cd_get_parms(struct cd_softc *sc, int flags)
|
|
{
|
|
/* Reasonable defaults for drives that don't support READ_CAPACITY */
|
|
sc->params.secsize = 2048;
|
|
sc->params.disksize = 400000;
|
|
|
|
if (ISSET(sc->sc_link->quirks, ADEV_NOCAPACITY))
|
|
return 0;
|
|
|
|
sc->params.disksize = cd_size(sc->sc_link, flags, &sc->params.secsize);
|
|
|
|
if ((sc->params.secsize < 512) ||
|
|
((sc->params.secsize & 511) != 0))
|
|
sc->params.secsize = 2048; /* some drives lie ! */
|
|
|
|
if (sc->params.disksize < 100)
|
|
sc->params.disksize = 400000;
|
|
|
|
return 0;
|
|
}
|
|
|
|
daddr_t
|
|
cdsize(dev_t dev)
|
|
{
|
|
/* CD-ROMs are read-only. */
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
cddump(dev_t dev, daddr_t blkno, caddr_t va, size_t size)
|
|
{
|
|
/* Not implemented. */
|
|
return ENXIO;
|
|
}
|
|
|
|
#define dvd_copy_key(dst, src) memcpy((dst), (src), DVD_KEY_SIZE)
|
|
#define dvd_copy_challenge(dst, src) memcpy((dst), (src), DVD_CHALLENGE_SIZE)
|
|
|
|
#define DVD_AUTH_BUFSIZE 20
|
|
|
|
int
|
|
dvd_auth(struct cd_softc *sc, union dvd_authinfo *a)
|
|
{
|
|
struct scsi_generic *cmd;
|
|
struct scsi_xfer *xs;
|
|
u_int8_t *buf;
|
|
int error;
|
|
|
|
buf = dma_alloc(DVD_AUTH_BUFSIZE, PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, 0);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->timeout = 30000;
|
|
xs->data = buf;
|
|
|
|
cmd = &xs->cmd;
|
|
|
|
switch (a->type) {
|
|
case DVD_LU_SEND_AGID:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[8] = 8;
|
|
cmd->bytes[9] = 0 | (0 << 6);
|
|
xs->datalen = 8;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
a->lsa.agid = buf[7] >> 6;
|
|
break;
|
|
|
|
case DVD_LU_SEND_CHALLENGE:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[8] = 16;
|
|
cmd->bytes[9] = 1 | (a->lsc.agid << 6);
|
|
xs->datalen = 16;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
if (error == 0)
|
|
dvd_copy_challenge(a->lsc.chal, &buf[4]);
|
|
break;
|
|
|
|
case DVD_LU_SEND_KEY1:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[8] = 12;
|
|
cmd->bytes[9] = 2 | (a->lsk.agid << 6);
|
|
xs->datalen = 12;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
dvd_copy_key(a->lsk.key, &buf[4]);
|
|
break;
|
|
|
|
case DVD_LU_SEND_TITLE_KEY:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
_lto4b(a->lstk.lba, &cmd->bytes[1]);
|
|
cmd->bytes[8] = 12;
|
|
cmd->bytes[9] = 4 | (a->lstk.agid << 6);
|
|
xs->datalen = 12;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
a->lstk.cpm = (buf[4] >> 7) & 1;
|
|
a->lstk.cp_sec = (buf[4] >> 6) & 1;
|
|
a->lstk.cgms = (buf[4] >> 4) & 3;
|
|
dvd_copy_key(a->lstk.title_key, &buf[5]);
|
|
}
|
|
break;
|
|
|
|
case DVD_LU_SEND_ASF:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[8] = 8;
|
|
cmd->bytes[9] = 5 | (a->lsasf.agid << 6);
|
|
xs->datalen = 8;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
a->lsasf.asf = buf[7] & 1;
|
|
break;
|
|
|
|
case DVD_HOST_SEND_CHALLENGE:
|
|
cmd->opcode = GPCMD_SEND_KEY;
|
|
cmd->bytes[8] = 16;
|
|
cmd->bytes[9] = 1 | (a->hsc.agid << 6);
|
|
buf[1] = 14;
|
|
dvd_copy_challenge(&buf[4], a->hsc.chal);
|
|
xs->datalen = 16;
|
|
SET(xs->flags, SCSI_DATA_OUT);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
a->type = DVD_LU_SEND_KEY1;
|
|
break;
|
|
|
|
case DVD_HOST_SEND_KEY2:
|
|
cmd->opcode = GPCMD_SEND_KEY;
|
|
cmd->bytes[8] = 12;
|
|
cmd->bytes[9] = 3 | (a->hsk.agid << 6);
|
|
buf[1] = 10;
|
|
dvd_copy_key(&buf[4], a->hsk.key);
|
|
xs->datalen = 12;
|
|
SET(xs->flags, SCSI_DATA_OUT);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
a->type = DVD_AUTH_ESTABLISHED;
|
|
else
|
|
a->type = DVD_AUTH_FAILURE;
|
|
break;
|
|
|
|
case DVD_INVALIDATE_AGID:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[9] = 0x3f | (a->lsa.agid << 6);
|
|
xs->data = NULL;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
break;
|
|
|
|
case DVD_LU_SEND_RPC_STATE:
|
|
cmd->opcode = GPCMD_REPORT_KEY;
|
|
cmd->bytes[8] = 8;
|
|
cmd->bytes[9] = 8 | (0 << 6);
|
|
xs->datalen = 8;
|
|
SET(xs->flags, SCSI_DATA_IN);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
a->lrpcs.type = (buf[4] >> 6) & 3;
|
|
a->lrpcs.vra = (buf[4] >> 3) & 7;
|
|
a->lrpcs.ucca = (buf[4]) & 7;
|
|
a->lrpcs.region_mask = buf[5];
|
|
a->lrpcs.rpc_scheme = buf[6];
|
|
}
|
|
break;
|
|
|
|
case DVD_HOST_SEND_RPC_STATE:
|
|
cmd->opcode = GPCMD_SEND_KEY;
|
|
cmd->bytes[8] = 8;
|
|
cmd->bytes[9] = 6 | (0 << 6);
|
|
buf[1] = 6;
|
|
buf[4] = a->hrpcs.pdrc;
|
|
xs->datalen = 8;
|
|
SET(xs->flags, SCSI_DATA_OUT);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
break;
|
|
|
|
default:
|
|
scsi_xs_put(xs);
|
|
error = ENOTTY;
|
|
break;
|
|
}
|
|
done:
|
|
dma_free(buf, DVD_AUTH_BUFSIZE);
|
|
return error;
|
|
}
|
|
|
|
#define DVD_READ_PHYSICAL_BUFSIZE (4 + 4 * 20)
|
|
int
|
|
dvd_read_physical(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
struct scsi_generic *cmd;
|
|
struct dvd_layer *layer;
|
|
struct scsi_xfer *xs;
|
|
u_int8_t *buf, *bufp;
|
|
int error, i;
|
|
|
|
buf = dma_alloc(DVD_READ_PHYSICAL_BUFSIZE, PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = buf;
|
|
xs->datalen = DVD_READ_PHYSICAL_BUFSIZE;
|
|
xs->timeout = 30000;
|
|
|
|
cmd = &xs->cmd;
|
|
cmd->opcode = GPCMD_READ_DVD_STRUCTURE;
|
|
cmd->bytes[6] = s->type;
|
|
_lto2b(xs->datalen, &cmd->bytes[7]);
|
|
|
|
cmd->bytes[5] = s->physical.layer_num;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
for (i = 0, bufp = &buf[4], layer = &s->physical.layer[0];
|
|
i < 4; i++, bufp += 20, layer++) {
|
|
bzero(layer, sizeof(*layer));
|
|
layer->book_version = bufp[0] & 0xf;
|
|
layer->book_type = bufp[0] >> 4;
|
|
layer->min_rate = bufp[1] & 0xf;
|
|
layer->disc_size = bufp[1] >> 4;
|
|
layer->layer_type = bufp[2] & 0xf;
|
|
layer->track_path = (bufp[2] >> 4) & 1;
|
|
layer->nlayers = (bufp[2] >> 5) & 3;
|
|
layer->track_density = bufp[3] & 0xf;
|
|
layer->linear_density = bufp[3] >> 4;
|
|
layer->start_sector = _4btol(&bufp[4]);
|
|
layer->end_sector = _4btol(&bufp[8]);
|
|
layer->end_sector_l0 = _4btol(&bufp[12]);
|
|
layer->bca = bufp[16] >> 7;
|
|
}
|
|
}
|
|
done:
|
|
dma_free(buf, DVD_READ_PHYSICAL_BUFSIZE);
|
|
return error;
|
|
}
|
|
|
|
#define DVD_READ_COPYRIGHT_BUFSIZE 8
|
|
int
|
|
dvd_read_copyright(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
struct scsi_generic *cmd;
|
|
struct scsi_xfer *xs;
|
|
u_int8_t *buf;
|
|
int error;
|
|
|
|
buf = dma_alloc(DVD_READ_COPYRIGHT_BUFSIZE, PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = buf;
|
|
xs->datalen = DVD_READ_COPYRIGHT_BUFSIZE;
|
|
xs->timeout = 30000;
|
|
|
|
cmd = &xs->cmd;
|
|
cmd->opcode = GPCMD_READ_DVD_STRUCTURE;
|
|
cmd->bytes[6] = s->type;
|
|
_lto2b(xs->datalen, &cmd->bytes[7]);
|
|
|
|
cmd->bytes[5] = s->copyright.layer_num;
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
s->copyright.cpst = buf[4];
|
|
s->copyright.rmi = buf[5];
|
|
}
|
|
done:
|
|
dma_free(buf, DVD_READ_COPYRIGHT_BUFSIZE);
|
|
return error;
|
|
}
|
|
|
|
int
|
|
dvd_read_disckey(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
struct scsi_read_dvd_structure_data *buf;
|
|
struct scsi_read_dvd_structure *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = (void *)buf;
|
|
xs->datalen = sizeof(*buf);
|
|
xs->timeout = 30000;
|
|
|
|
cmd = (struct scsi_read_dvd_structure *)&xs->cmd;
|
|
cmd->opcode = GPCMD_READ_DVD_STRUCTURE;
|
|
cmd->format = s->type;
|
|
cmd->agid = s->disckey.agid << 6;
|
|
_lto2b(xs->datalen, cmd->length);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0)
|
|
memcpy(s->disckey.value, buf->data, sizeof(s->disckey.value));
|
|
done:
|
|
dma_free(buf, sizeof(*buf));
|
|
return error;
|
|
}
|
|
|
|
#define DVD_READ_BCA_BUFLEN (4 + 188)
|
|
|
|
int
|
|
dvd_read_bca(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
struct scsi_generic *cmd;
|
|
struct scsi_xfer *xs;
|
|
u_int8_t *buf;
|
|
int error;
|
|
|
|
buf = dma_alloc(DVD_READ_BCA_BUFLEN, PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = buf;
|
|
xs->datalen = DVD_READ_BCA_BUFLEN;
|
|
xs->timeout = 30000;
|
|
|
|
cmd = &xs->cmd;
|
|
cmd->opcode = GPCMD_READ_DVD_STRUCTURE;
|
|
cmd->bytes[6] = s->type;
|
|
_lto2b(xs->datalen, &cmd->bytes[7]);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
s->bca.len = _2btol(&buf[0]);
|
|
if (s->bca.len < 12 || s->bca.len > 188)
|
|
return EIO;
|
|
memcpy(s->bca.value, &buf[4], s->bca.len);
|
|
}
|
|
done:
|
|
dma_free(buf, DVD_READ_BCA_BUFLEN);
|
|
return error;
|
|
}
|
|
|
|
int
|
|
dvd_read_manufact(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
struct scsi_read_dvd_structure_data *buf;
|
|
struct scsi_read_dvd_structure *cmd;
|
|
struct scsi_xfer *xs;
|
|
int error;
|
|
|
|
buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO);
|
|
if (buf == NULL)
|
|
return ENOMEM;
|
|
|
|
xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN);
|
|
if (xs == NULL) {
|
|
error = ENOMEM;
|
|
goto done;
|
|
}
|
|
xs->cmdlen = sizeof(*cmd);
|
|
xs->data = (void *)buf;
|
|
xs->datalen = sizeof(*buf);
|
|
xs->timeout = 30000;
|
|
|
|
cmd = (struct scsi_read_dvd_structure *)&xs->cmd;
|
|
cmd->opcode = GPCMD_READ_DVD_STRUCTURE;
|
|
cmd->format = s->type;
|
|
_lto2b(xs->datalen, cmd->length);
|
|
|
|
error = scsi_xs_sync(xs);
|
|
scsi_xs_put(xs);
|
|
|
|
if (error == 0) {
|
|
s->manufact.len = _2btol(buf->len);
|
|
if (s->manufact.len >= 0 && s->manufact.len <= 2048)
|
|
memcpy(s->manufact.value, buf->data, s->manufact.len);
|
|
else
|
|
error = EIO;
|
|
}
|
|
done:
|
|
dma_free(buf, sizeof(*buf));
|
|
return error;
|
|
}
|
|
|
|
int
|
|
dvd_read_struct(struct cd_softc *sc, union dvd_struct *s)
|
|
{
|
|
switch (s->type) {
|
|
case DVD_STRUCT_PHYSICAL:
|
|
return dvd_read_physical(sc, s);
|
|
case DVD_STRUCT_COPYRIGHT:
|
|
return dvd_read_copyright(sc, s);
|
|
case DVD_STRUCT_DISCKEY:
|
|
return dvd_read_disckey(sc, s);
|
|
case DVD_STRUCT_BCA:
|
|
return dvd_read_bca(sc, s);
|
|
case DVD_STRUCT_MANUFACT:
|
|
return dvd_read_manufact(sc, s);
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
int
|
|
cd_interpret_sense(struct scsi_xfer *xs)
|
|
{
|
|
struct scsi_sense_data *sense = &xs->sense;
|
|
struct scsi_link *link = xs->sc_link;
|
|
u_int8_t skey = sense->flags & SSD_KEY;
|
|
u_int8_t serr = sense->error_code & SSD_ERRCODE;
|
|
|
|
if (!ISSET(link->flags, SDEV_OPEN) ||
|
|
(serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED))
|
|
return scsi_interpret_sense(xs);
|
|
|
|
/*
|
|
* We do custom processing in cd for the unit becoming ready
|
|
* case. We do not allow xs->retries to be decremented on the
|
|
* "Unit Becoming Ready" case. This is because CD drives
|
|
* report "Unit Becoming Ready" when loading media and can
|
|
* take a long time. Rather than having a massive timeout for
|
|
* all operations (which would cause other problems), we allow
|
|
* operations to wait (but be interruptible with Ctrl-C)
|
|
* forever as long as the drive is reporting that it is
|
|
* becoming ready. All other cases of not being ready are
|
|
* handled by the default handler.
|
|
*/
|
|
switch(skey) {
|
|
case SKEY_NOT_READY:
|
|
if (ISSET(xs->flags, SCSI_IGNORE_NOT_READY))
|
|
return 0;
|
|
if (ASC_ASCQ(sense) == SENSE_NOT_READY_BECOMING_READY) {
|
|
SC_DEBUG(link, SDEV_DB1, ("not ready: busy (%#x)\n",
|
|
sense->add_sense_code_qual));
|
|
/* don't count this as a retry */
|
|
xs->retries++;
|
|
return scsi_delay(xs, 1);
|
|
}
|
|
break;
|
|
/* XXX more to come here for a few other cases */
|
|
default:
|
|
break;
|
|
}
|
|
return scsi_interpret_sense(xs);
|
|
}
|
|
|
|
/*
|
|
* Find out from the device what its capacity is.
|
|
*/
|
|
u_int64_t
|
|
cd_size(struct scsi_link *link, int flags, u_int32_t *blksize)
|
|
{
|
|
struct scsi_read_cap_data_16 *rdcap16;
|
|
struct scsi_read_cap_data *rdcap;
|
|
u_int64_t max_addr;
|
|
int error;
|
|
|
|
if (blksize != NULL)
|
|
*blksize = 0;
|
|
|
|
CLR(flags, SCSI_IGNORE_ILLEGAL_REQUEST);
|
|
|
|
/*
|
|
* Start with a READ CAPACITY(10).
|
|
*/
|
|
rdcap = dma_alloc(sizeof(*rdcap), ((flags & SCSI_NOSLEEP) ?
|
|
PR_NOWAIT : PR_WAITOK) | PR_ZERO);
|
|
if (rdcap == NULL)
|
|
return 0;
|
|
|
|
error = scsi_read_cap_10(link, rdcap, flags);
|
|
if (error) {
|
|
dma_free(rdcap, sizeof(*rdcap));
|
|
return 0;
|
|
}
|
|
|
|
max_addr = _4btol(rdcap->addr);
|
|
if (blksize != NULL)
|
|
*blksize = _4btol(rdcap->length);
|
|
dma_free(rdcap, sizeof(*rdcap));
|
|
|
|
/*
|
|
* pre-SPC (i.e. pre-SCSI-3) devices reporting less than 2^32-1 sectors
|
|
* can stop here.
|
|
*/
|
|
if (SID_ANSII_REV(&link->inqdata) < SCSI_REV_SPC &&
|
|
max_addr != 0xffffffff)
|
|
goto exit;
|
|
|
|
rdcap16 = dma_alloc(sizeof(*rdcap16), ((flags & SCSI_NOSLEEP) ?
|
|
PR_NOWAIT : PR_WAITOK) | PR_ZERO);
|
|
if (rdcap16 == NULL)
|
|
goto exit;
|
|
|
|
error = scsi_read_cap_16(link, rdcap16, flags);
|
|
if (error) {
|
|
dma_free(rdcap16, sizeof(*rdcap16));
|
|
goto exit;
|
|
}
|
|
|
|
max_addr = _8btol(rdcap16->addr);
|
|
if (blksize != NULL)
|
|
*blksize = _4btol(rdcap16->length);
|
|
/* XXX The other READ CAPACITY(16) info could be stored away. */
|
|
dma_free(rdcap16, sizeof(*rdcap16));
|
|
|
|
return max_addr + 1;
|
|
|
|
exit:
|
|
/* Return READ CAPACITY 10 values. */
|
|
if (max_addr != 0xffffffff)
|
|
return max_addr + 1;
|
|
else if (blksize != NULL)
|
|
*blksize = 0;
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__macppc__)
|
|
int
|
|
cd_eject(void)
|
|
{
|
|
struct cd_softc *sc;
|
|
int error = 0;
|
|
|
|
if (cd_cd.cd_ndevs == 0 || (sc = cd_cd.cd_devs[0]) == NULL)
|
|
return ENXIO;
|
|
|
|
if ((error = disk_lock(&sc->sc_dk)) != 0)
|
|
return error;
|
|
|
|
if (sc->sc_dk.dk_openmask == 0) {
|
|
SET(sc->sc_link->flags, SDEV_EJECTING);
|
|
|
|
scsi_prevent(sc->sc_link, PR_ALLOW,
|
|
SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY |
|
|
SCSI_SILENT | SCSI_IGNORE_MEDIA_CHANGE);
|
|
CLR(sc->sc_link->flags, SDEV_MEDIA_LOADED);
|
|
|
|
scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0);
|
|
|
|
CLR(sc->sc_link->flags, SDEV_EJECTING);
|
|
}
|
|
disk_unlock(&sc->sc_dk);
|
|
|
|
return error;
|
|
}
|
|
#endif /* __macppc__ */
|