NetBSD-5.0.2/sys/compat/linux/common/linux_cdrom.c
/* $NetBSD: linux_cdrom.c,v 1.27 2008/04/28 20:23:43 martin Exp $ */
/*
* Copyright (c) 1997, 2008 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.
*
* 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 1.27 2008/04/28 20:23:43 martin 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/malloc.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_ipc.h>
#include <compat/linux/common/linux_sem.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(struct lwp *l, const struct linux_sys_ioctl_args *uap, register_t *retval)
{
/* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(void *) data;
} */
int error, idata;
u_long com, ncom;
file_t *fp;
int (*ioctlf)(file_t *, u_long, void *);
union {
struct linux_cdrom_blk ll_blk;
struct linux_cdrom_msf ll_msf;
struct linux_cdrom_ti ll_ti;
struct linux_cdrom_tochdr ll_tochdr;
struct linux_cdrom_tocentry ll_tocentry;
struct linux_cdrom_subchnl ll_subchnl;
struct linux_cdrom_volctrl ll_volctrl;
struct linux_cdrom_multisession ll_session;
dvd_struct ll_ds;
dvd_authinfo ll_dai;
} *u1;
#define l_blk u1->ll_blk
#define l_msf u1->ll_msf
#define l_ti u1->ll_ti
#define l_tochdr u1->ll_tochdr
#define l_tocentry u1->ll_tocentry
#define l_subchnl u1->ll_subchnl
#define l_volctrl u1->ll_volctrl
#define l_session u1->ll_session
#define ds u1->ll_ds
#define dai u1->ll_dai
union {
struct ioc_play_blocks tt_blocks;
struct ioc_play_msf tt_msf;
struct ioc_play_track tt_track;
struct ioc_toc_header tt_header;
struct ioc_read_toc_entry_buf tt_toc_entry;
struct ioc_read_subchannel_buf tt_subchannel;
struct ioc_vol tt_vol;
} *u2;
#define t_blocks u2->tt_blocks
#define t_msf u2->tt_msf
#define t_track u2->tt_track
#define t_header u2->tt_header
#define t_toc_entry u2->tt_toc_entry
#define t_subchannel u2->tt_subchannel
#define t_vol u2->tt_vol
struct cd_toc_entry *entry;
if ((fp = fd_getfile(SCARG(uap, fd))) == NULL)
return (EBADF);
com = SCARG(uap, com);
ioctlf = fp->f_ops->fo_ioctl;
retval[0] = error = 0;
u1 = malloc(sizeof(*u1), M_TEMP, M_WAITOK);
u2 = malloc(sizeof(*u2), M_TEMP, M_WAITOK);
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, &t_msf);
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, &t_track);
break;
case LINUX_CDROMREADTOCHDR:
error = ioctlf(fp, CDIOREADTOCHEADER, &t_header);
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;
t_toc_entry.req.address_format = l_tocentry.cdte_format;
t_toc_entry.req.starting_track = l_tocentry.cdte_track;
t_toc_entry.req.data_len = sizeof *entry;
t_toc_entry.req.data = NULL;
error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry);
if (error)
break;
l_tocentry.cdte_adr = t_toc_entry.entry[0].addr_type;
l_tocentry.cdte_ctrl = t_toc_entry.entry[0].control;
if (bsd_to_linux_msf_lba(t_toc_entry.entry[0].addr_type,
&t_toc_entry.entry[0].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, &t_vol);
break;
case LINUX_CDROMVOLREAD:
error = ioctlf(fp, CDIOCGETVOL, &t_vol);
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;
t_subchannel.req.address_format = CD_MSF_FORMAT;
t_subchannel.req.track = 0;
t_subchannel.req.data_format = l_subchnl.cdsc_format;
t_subchannel.req.data_len = sizeof t_subchannel.info;
t_subchannel.req.data = NULL;
DPRINTF(("linux_ioctl: CDROMSUBCHNL %d %d\n",
l_subchnl.cdsc_format, l_subchnl.cdsc_trk));
error = ioctlf(fp, CDIOCREADSUBCHANNEL_BUF, &t_subchannel);
if (error)
break;
l_subchnl.cdsc_audiostatus = t_subchannel.info.header.audio_status;
l_subchnl.cdsc_adr = t_subchannel.info.what.position.addr_type;
l_subchnl.cdsc_ctrl = t_subchannel.info.what.position.control;
l_subchnl.cdsc_ind = t_subchannel.info.what.position.index_number;
DPRINTF(("linux_ioctl: CDIOCREADSUBCHANNEL %d %d %d\n",
t_subchannel.info.header.audio_status,
t_subchannel.info.header.data_len[0],
t_subchannel.info.header.data_len[1]));
DPRINTF(("(more) %d %d %d %d %d\n",
t_subchannel.info.what.position.data_format,
t_subchannel.info.what.position.control,
t_subchannel.info.what.position.addr_type,
t_subchannel.info.what.position.track_number,
t_subchannel.info.what.position.index_number));
if (bsd_to_linux_msf_lba(t_subchannel.req.address_format,
&t_subchannel.info.what.position.absaddr,
&l_subchnl.cdsc_absaddr) < 0 ||
bsd_to_linux_msf_lba(t_subchannel.req.address_format,
&t_subchannel.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, &t_blocks);
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);
break;
case LINUX_CDROMPAUSE:
error = ioctlf(fp, CDIOCPAUSE, NULL);
break;
case LINUX_CDROMRESUME:
error = ioctlf(fp, CDIOCRESUME, NULL);
break;
case LINUX_CDROMSTOP:
error = ioctlf(fp, CDIOCSTOP, NULL);
break;
case LINUX_CDROMSTART:
error = ioctlf(fp, CDIOCSTART, NULL);
break;
case LINUX_CDROMEJECT:
error = ioctlf(fp, CDIOCEJECT, NULL);
break;
case LINUX_CDROMRESET:
error = ioctlf(fp, CDIOCRESET, NULL);
break;
case LINUX_CDROMMULTISESSION:
error = copyin(SCARG(uap, data), &l_session, sizeof l_session);
if (error)
break;
error = ioctlf(fp, CDIOREADTOCHEADER, &t_header);
if (error)
break;
t_toc_entry.req.address_format = l_session.addr_format;
t_toc_entry.req.starting_track = 0;
t_toc_entry.req.data_len = sizeof t_toc_entry.entry;
t_toc_entry.req.data = NULL;
error = ioctlf(fp, CDIOREADTOCENTRIES_BUF, &t_toc_entry);
if (error)
break;
if (bsd_to_linux_msf_lba(l_session.addr_format,
&t_toc_entry.entry[0].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);
break;
case LINUX_CDROM_LOCKDOOR:
ncom = SCARG(uap, data) != 0 ? CDIOCPREVENT : CDIOCALLOW;
error = ioctlf(fp, ncom, NULL);
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);
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, &ds);
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, &ds);
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, &dai);
if (error)
break;
error = copyout(&dai, SCARG(uap, data), sizeof dai);
break;
default:
DPRINTF(("linux_ioctl: unimplemented ioctl %08lx\n", com));
error = EINVAL;
}
fd_putfile(SCARG(uap, fd));
free(u1, M_TEMP);
free(u2, M_TEMP);
return error;
}