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/* $OpenBSD: linux_cdrom.c,v 1.2 1997/12/10 00:01:39 provos Exp $ */
/*
* Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Niels Provos.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/cdio.h>
#include <sys/syscallargs.h>
#include <compat/linux/linux_types.h>
#include <compat/linux/linux_ioctl.h>
#include <compat/linux/linux_signal.h>
#include <compat/linux/linux_syscallargs.h>
#include <compat/linux/linux_util.h>
#include <compat/linux/linux_cdrom.h>
void bsd_addr_to_linux_addr __P((union msf_lba *bsd, union linux_cdrom_addr *linux, int format));
void
bsd_addr_to_linux_addr(bsd, linux, format)
union msf_lba *bsd;
union linux_cdrom_addr *linux;
int format;
{
if (format == CD_MSF_FORMAT) {
linux->msf.minute = bsd->msf.minute;
linux->msf.second = bsd->msf.second;
linux->msf.frame = bsd->msf.frame;
} else
linux->lba = bsd->lba;
}
int
linux_ioctl_cdrom(p, uap, retval)
register struct proc *p;
register struct linux_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap;
register_t *retval;
{
register struct file *fp;
register struct filedesc *fdp;
caddr_t sg;
u_long com;
struct sys_ioctl_args ia;
int error;
union {
struct cd_toc_entry te;
struct cd_sub_channel_info scinfo;
} data;
union {
struct ioc_toc_header th;
struct ioc_read_toc_entry tes;
struct ioc_play_track ti;
struct ioc_read_subchannel sc;
} tmpb;
union {
struct linux_cdrom_tochdr th;
struct linux_cdrom_tocentry te;
struct linux_cdrom_ti ti;
struct linux_cdrom_subchnl sc;
} tmpl;
fdp = p->p_fd;
if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
return (EBADF);
if ((fp->f_flag & (FREAD | FWRITE)) == 0)
return (EBADF);
com = SCARG(uap, com);
retval[0] = 0;
switch (com) {
case LINUX_CDROMREADTOCHDR:
error = (*fp->f_ops->fo_ioctl)(fp, CDIOREADTOCHEADER, (caddr_t)&tmpb.th, p);
if (error)
return error;
tmpl.th.cdth_trk0 = tmpb.th.starting_track;
tmpl.th.cdth_trk1 = tmpb.th.ending_track;
error = copyout(&tmpl, SCARG(uap, data), sizeof tmpl.th);
if (error)
return error;
return 0;
case LINUX_CDROMREADTOCENTRY:
error = copyin(SCARG(uap, data), &tmpl.te, sizeof tmpl.te);
if (error)
return error;
sg = stackgap_init(p->p_emul);
bzero(&tmpb.tes, sizeof tmpb.tes);
tmpb.tes.starting_track = tmpl.te.cdte_track;
tmpb.tes.address_format = tmpl.te.cdte_format == LINUX_CDROM_MSF ? CD_MSF_FORMAT : CD_LBA_FORMAT;
tmpb.tes.data_len = sizeof(struct cd_toc_entry);
tmpb.tes.data = stackgap_alloc(&sg, tmpb.tes.data_len);
error = (*fp->f_ops->fo_ioctl)(fp, CDIOREADTOCENTRYS, (caddr_t)&tmpb.tes, p);
if (error)
return error;
if ((error = copyin(tmpb.tes.data, &data.te, sizeof data.te)))
return error;
tmpl.te.cdte_ctrl = data.te.control;
tmpl.te.cdte_adr = data.te.addr_type;
tmpl.te.cdte_track = data.te.track;
tmpl.te.cdte_datamode = CD_TRACK_INFO;
bsd_addr_to_linux_addr(&data.te.addr, &tmpl.te.cdte_addr,
tmpb.tes.address_format);
error = copyout(&tmpl, SCARG(uap, data), sizeof tmpl.te);
if (error)
return error;
return 0;
case LINUX_CDROMSUBCHNL:
error = copyin(SCARG(uap, data), &tmpl.sc, sizeof tmpl.sc);
if (error)
return error;
sg = stackgap_init(p->p_emul);
bzero(&tmpb.sc, sizeof tmpb.sc);
tmpb.sc.data_format = CD_CURRENT_POSITION;
tmpb.sc.address_format = tmpl.sc.cdsc_format == LINUX_CDROM_MSF ? CD_MSF_FORMAT : CD_LBA_FORMAT;
tmpb.sc.data_len = sizeof(struct cd_sub_channel_info);
tmpb.sc.data = stackgap_alloc(&sg, tmpb.sc.data_len);
error = (*fp->f_ops->fo_ioctl)(fp, CDIOCREADSUBCHANNEL, (caddr_t)&tmpb.sc, p);
if (error)
return error;
if ((error = copyin(tmpb.sc.data, &data.scinfo, sizeof data.scinfo)))
return error;
tmpl.sc.cdsc_audiostatus = data.scinfo.header.audio_status;
tmpl.sc.cdsc_adr = data.scinfo.what.position.addr_type;
tmpl.sc.cdsc_ctrl = data.scinfo.what.position.control;
tmpl.sc.cdsc_trk = data.scinfo.what.position.track_number;
tmpl.sc.cdsc_ind = data.scinfo.what.position.index_number;
bsd_addr_to_linux_addr(&data.scinfo.what.position.absaddr,
&tmpl.sc.cdsc_absaddr,
tmpb.sc.address_format);
bsd_addr_to_linux_addr(&data.scinfo.what.position.reladdr,
&tmpl.sc.cdsc_reladdr,
tmpb.sc.address_format);
error = copyout(&tmpl, SCARG(uap, data), sizeof tmpl.sc);
if (error)
return error;
return 0;
case LINUX_CDROMPLAYTRKIND:
error = copyin(SCARG(uap, data), &tmpl.ti, sizeof tmpl.ti);
if (error)
return error;
tmpb.ti.start_track = tmpl.ti.cdti_trk0;
tmpb.ti.start_index = tmpl.ti.cdti_ind0;
tmpb.ti.end_track = tmpl.ti.cdti_trk1;
tmpb.ti.end_index = tmpl.ti.cdti_ind1;
error = (*fp->f_ops->fo_ioctl)(fp, CDIOCPLAYTRACKS, (caddr_t)&tmpb.ti, p);
if (error)
return error;
return 0;
case LINUX_CDROMPAUSE:
SCARG(&ia, com) = CDIOCPAUSE;
break;
case LINUX_CDROMRESUME:
SCARG(&ia, com) = CDIOCRESUME;
break;
case LINUX_CDROMSTOP:
SCARG(&ia, com) = CDIOCSTOP;
break;
case LINUX_CDROMSTART:
SCARG(&ia, com) = CDIOCSTART;
break;
case LINUX_CDROMEJECT:
SCARG(&ia, com) = CDIOCEJECT;
break;
default:
printf("linux_ioctl_cdrom: invalid ioctl %08lx\n", com);
return EINVAL;
}
SCARG(&ia, fd) = SCARG(uap, fd);
SCARG(&ia, data) = SCARG(uap, data);
return sys_ioctl(p, &ia, retval);
}
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