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NetBSD/sys/compat/linux/common/linux_cdrom.c

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/* $NetBSD: linux_cdrom.c,v 1.17 2003/06/29 22:29:26 fvdl Exp $ */
/*
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_cdrom.c,v 1.17 2003/06/29 22:29:26 fvdl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/cdio.h>
#include <sys/dvdio.h>
#include <sys/sa.h>
#include <sys/syscallargs.h>
#include <compat/linux/common/linux_types.h>
#include <compat/linux/common/linux_ioctl.h>
#include <compat/linux/common/linux_signal.h>
#include <compat/linux/common/linux_util.h>
#include <compat/linux/common/linux_cdrom.h>
#include <compat/linux/linux_syscallargs.h>
static int bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml,
union linux_cdrom_addr *llml);
#if DEBUG_LINUX
#define DPRINTF(x) uprintf x
#else
#define DPRINTF(x)
#endif
/*
* XXX from dev/scsipi/cd.c
*/
#define MAXTRACK 99
static int
bsd_to_linux_msf_lba(unsigned address_format, union msf_lba *bml,
union linux_cdrom_addr *llml)
{
switch (address_format) {
case CD_LBA_FORMAT:
llml->lba = bml->lba;
break;
case CD_MSF_FORMAT:
llml->msf.minute = bml->msf.minute;
llml->msf.second = bml->msf.second;
llml->msf.frame = bml->msf.frame;
break;
default:
return -1;
}
return 0;
}
int
linux_ioctl_cdrom(p, uap, retval)
struct proc *p;
struct linux_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap;
register_t *retval;
{
int error, idata;
u_long com, ncom;
caddr_t sg;
struct file *fp;
struct filedesc *fdp;
int (*ioctlf)(struct file *, u_long, void *, struct proc *);
struct linux_cdrom_blk l_blk;
struct linux_cdrom_msf l_msf;
struct linux_cdrom_ti l_ti;
struct linux_cdrom_tochdr l_tochdr;
struct linux_cdrom_tocentry l_tocentry;
struct linux_cdrom_subchnl l_subchnl;
struct linux_cdrom_volctrl l_volctrl;
struct linux_cdrom_multisession l_session;
struct ioc_play_blocks t_blocks;
struct ioc_play_msf t_msf;
struct ioc_play_track t_track;
struct ioc_toc_header t_header;
struct cd_toc_entry *entry, t_entry;
struct ioc_read_toc_entry t_toc_entry;
struct cd_sub_channel_info *info, t_info;
struct ioc_read_subchannel t_subchannel;
struct ioc_vol t_vol;
dvd_struct ds;
dvd_authinfo dai;
fdp = p->p_fd;
if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
return (EBADF);
FILE_USE(fp);
com = SCARG(uap, com);
ioctlf = fp->f_ops->fo_ioctl;
retval[0] = error = 0;
switch(com) {
case LINUX_CDROMPLAYMSF:
error = copyin(SCARG(uap, data), &l_msf, sizeof l_msf);
if (error)
break;
t_msf.start_m = l_msf.cdmsf_min0;
t_msf.start_s = l_msf.cdmsf_sec0;
t_msf.start_f = l_msf.cdmsf_frame0;
t_msf.end_m = l_msf.cdmsf_min1;
t_msf.end_s = l_msf.cdmsf_sec1;
t_msf.end_f = l_msf.cdmsf_frame1;
error = ioctlf(fp, CDIOCPLAYMSF, (caddr_t)&t_msf, p);
break;
case LINUX_CDROMPLAYTRKIND:
error = copyin(SCARG(uap, data), &l_ti, sizeof l_ti);
if (error)
break;
t_track.start_track = l_ti.cdti_trk0;
t_track.start_index = l_ti.cdti_ind0;
t_track.end_track = l_ti.cdti_trk1;
t_track.end_index = l_ti.cdti_ind1;
error = ioctlf(fp, CDIOCPLAYTRACKS, (caddr_t)&t_track, p);
break;
case LINUX_CDROMREADTOCHDR:
error = ioctlf(fp, CDIOREADTOCHEADER, (caddr_t)&t_header, p);
if (error)
break;
l_tochdr.cdth_trk0 = t_header.starting_track;
l_tochdr.cdth_trk1 = t_header.ending_track;
error = copyout(&l_tochdr, SCARG(uap, data), sizeof l_tochdr);
break;
case LINUX_CDROMREADTOCENTRY:
error = copyin(SCARG(uap, data), &l_tocentry,
sizeof l_tocentry);
if (error)
break;
sg = stackgap_init(p, 0);
entry = stackgap_alloc(p, &sg, sizeof *entry);
t_toc_entry.address_format = l_tocentry.cdte_format;
t_toc_entry.starting_track = l_tocentry.cdte_track;
t_toc_entry.data_len = sizeof *entry;
t_toc_entry.data = entry;
error = ioctlf(fp, CDIOREADTOCENTRIES, (caddr_t)&t_toc_entry,
p);
if (error)
break;
error = copyin(entry, &t_entry, sizeof t_entry);
if (error)
break;
l_tocentry.cdte_adr = t_entry.addr_type;
l_tocentry.cdte_ctrl = t_entry.control;
if (bsd_to_linux_msf_lba(t_entry.addr_type, &t_entry.addr,
&l_tocentry.cdte_addr) < 0) {
DPRINTF(("linux_ioctl: unknown format msf/lba\n"));
error = EINVAL;
break;
}
error = copyout(&l_tocentry, SCARG(uap, data),
sizeof l_tocentry);
break;
case LINUX_CDROMVOLCTRL:
error = copyin(SCARG(uap, data), &l_volctrl, sizeof l_volctrl);
if (error)
break;
t_vol.vol[0] = l_volctrl.channel0;
t_vol.vol[1] = l_volctrl.channel1;
t_vol.vol[2] = l_volctrl.channel2;
t_vol.vol[3] = l_volctrl.channel3;
error = ioctlf(fp, CDIOCSETVOL, (caddr_t)&t_vol, p);
break;
case LINUX_CDROMVOLREAD:
error = ioctlf(fp, CDIOCGETVOL, (caddr_t)&t_vol, p);
if (error)
break;
l_volctrl.channel0 = t_vol.vol[0];
l_volctrl.channel1 = t_vol.vol[1];
l_volctrl.channel2 = t_vol.vol[2];
l_volctrl.channel3 = t_vol.vol[3];
error = copyout(&l_volctrl, SCARG(uap, data), sizeof l_volctrl);
break;
case LINUX_CDROMSUBCHNL:
error = copyin(SCARG(uap, data), &l_subchnl, sizeof l_subchnl);
if (error)
break;
sg = stackgap_init(p, 0);
info = stackgap_alloc(p, &sg, sizeof *info);
t_subchannel.address_format = CD_MSF_FORMAT;
t_subchannel.track = 0;
t_subchannel.data_format = l_subchnl.cdsc_format;
t_subchannel.data_len = sizeof *info;
t_subchannel.data = info;
DPRINTF(("linux_ioctl: CDROMSUBCHNL %d %d\n",
l_subchnl.cdsc_format, l_subchnl.cdsc_trk));
error = ioctlf(fp, CDIOCREADSUBCHANNEL, (caddr_t)&t_subchannel,
p);
if (error)
break;
error = copyin(info, &t_info, sizeof t_info);
if (error)
break;
l_subchnl.cdsc_audiostatus = t_info.header.audio_status;
l_subchnl.cdsc_adr = t_info.what.position.addr_type;
l_subchnl.cdsc_ctrl = t_info.what.position.control;
l_subchnl.cdsc_ind = t_info.what.position.index_number;
DPRINTF(("linux_ioctl: CDIOCREADSUBCHANNEL %d %d %d\n",
t_info.header.audio_status,
t_info.header.data_len[0],
t_info.header.data_len[1]));
DPRINTF(("(more) %d %d %d %d %d\n",
t_info.what.position.data_format,
t_info.what.position.control,
t_info.what.position.addr_type,
t_info.what.position.track_number,
t_info.what.position.index_number));
if (bsd_to_linux_msf_lba(t_subchannel.address_format,
&t_info.what.position.absaddr,
&l_subchnl.cdsc_absaddr) < 0 ||
bsd_to_linux_msf_lba(t_subchannel.address_format,
&t_info.what.position.reladdr,
&l_subchnl.cdsc_reladdr) < 0) {
DPRINTF(("linux_ioctl: unknown format msf/lba\n"));
error = EINVAL;
break;
}
error = copyout(&l_subchnl, SCARG(uap, data), sizeof l_subchnl);
break;
case LINUX_CDROMPLAYBLK:
error = copyin(SCARG(uap, data), &l_blk, sizeof l_blk);
if (error)
break;
t_blocks.blk = l_blk.from;
t_blocks.len = l_blk.len;
error = ioctlf(fp, CDIOCPLAYBLOCKS, (caddr_t)&t_blocks, p);
break;
case LINUX_CDROMEJECT_SW:
error = copyin(SCARG(uap, data), &idata, sizeof idata);
if (error)
break;
if (idata == 1)
ncom = CDIOCALLOW;
else
ncom = CDIOCPREVENT;
error = ioctlf(fp, ncom, NULL, p);
break;
case LINUX_CDROMPAUSE:
error = ioctlf(fp, CDIOCPAUSE, NULL, p);
break;
case LINUX_CDROMRESUME:
error = ioctlf(fp, CDIOCRESUME, NULL, p);
break;
case LINUX_CDROMSTOP:
error = ioctlf(fp, CDIOCSTOP, NULL, p);
break;
case LINUX_CDROMSTART:
error = ioctlf(fp, CDIOCSTART, NULL, p);
break;
case LINUX_CDROMEJECT:
error = ioctlf(fp, CDIOCEJECT, NULL, p);
break;
case LINUX_CDROMRESET:
error = ioctlf(fp, CDIOCRESET, NULL, p);
break;
case LINUX_CDROMMULTISESSION:
error = copyin(SCARG(uap, data), &l_session, sizeof l_session);
if (error)
break;
error = ioctlf(fp, CDIOREADTOCHEADER, (caddr_t)&t_header, p);
if (error)
break;
sg = stackgap_init(p, 0);
entry = stackgap_alloc(p, &sg, sizeof *entry);
t_toc_entry.address_format = l_session.addr_format;
t_toc_entry.starting_track = 0;
t_toc_entry.data_len = sizeof *entry;
t_toc_entry.data = entry;
error = ioctlf(fp, CDIOREADTOCENTRIES,
(caddr_t)&t_toc_entry, p);
if (error)
break;
error = copyin(entry, &t_entry, sizeof t_entry);
if (error)
break;
if (bsd_to_linux_msf_lba(l_session.addr_format,
&t_entry.addr, &l_session.addr) < 0) {
error = EINVAL;
break;
}
l_session.xa_flag =
t_header.starting_track != t_header.ending_track;
error = copyout(&l_session, SCARG(uap, data), sizeof l_session);
break;
case LINUX_CDROMCLOSETRAY:
error = ioctlf(fp, CDIOCCLOSE, NULL, p);
break;
case LINUX_CDROM_LOCKDOOR:
ncom = SCARG(uap, data) != 0 ? CDIOCPREVENT : CDIOCALLOW;
error = ioctlf(fp, ncom, NULL, p);
break;
case LINUX_CDROM_SET_OPTIONS:
case LINUX_CDROM_CLEAR_OPTIONS:
/* whatever you say */
break;
case LINUX_CDROM_DEBUG:
ncom = SCARG(uap, data) != 0 ? CDIOCSETDEBUG : CDIOCCLRDEBUG;
error = ioctlf(fp, ncom, NULL, p);
break;
case LINUX_CDROM_SELECT_SPEED:
case LINUX_CDROM_SELECT_DISC:
case LINUX_CDROM_MEDIA_CHANGED:
case LINUX_CDROM_DRIVE_STATUS:
case LINUX_CDROM_DISC_STATUS:
case LINUX_CDROM_CHANGER_NSLOTS:
case LINUX_CDROM_GET_CAPABILITY:
error = ENOSYS;
break;
case LINUX_DVD_READ_STRUCT:
error = copyin(SCARG(uap, data), &ds, sizeof ds);
if (error)
break;
error = ioctlf(fp, DVD_READ_STRUCT, (caddr_t)&ds, p);
if (error)
break;
error = copyout(&ds, SCARG(uap, data), sizeof ds);
break;
case LINUX_DVD_WRITE_STRUCT:
error = copyin(SCARG(uap, data), &ds, sizeof ds);
if (error)
break;
error = ioctlf(fp, DVD_WRITE_STRUCT, (caddr_t)&ds, p);
if (error)
break;
error = copyout(&ds, SCARG(uap, data), sizeof ds);
break;
case LINUX_DVD_AUTH:
error = copyin(SCARG(uap, data), &dai, sizeof dai);
if (error)
break;
error = ioctlf(fp, DVD_AUTH, (caddr_t)&dai, p);
if (error)
break;
error = copyout(&dai, SCARG(uap, data), sizeof dai);
break;
default:
DPRINTF(("linux_ioctl: unimplemented ioctl %08lx\n", com));
error = EINVAL;
}
FILE_UNUSE(fp, p);
return error;
}
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