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/* $NetBSD: linux_ioctl.c,v 1.38 2003/06/29 22:29:30 fvdl Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz.
*
* 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_ioctl.c,v 1.38 2003/06/29 22:29:30 fvdl Exp $");
#if defined(_KERNEL_OPT)
#include "sequencer.h"
#endif
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/file.h>
#include <sys/vnode.h>
#include <sys/filedesc.h>
#include <sys/socket.h>
#include <net/if.h>
#include <sys/sockio.h>
#include <sys/sa.h>
#include <sys/syscallargs.h>
#include <compat/linux/common/linux_types.h>
#include <compat/linux/common/linux_signal.h>
#include <compat/linux/common/linux_ioctl.h>
#include <compat/linux/linux_syscallargs.h>
#include <compat/ossaudio/ossaudio.h>
#define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */
/*
* Most ioctl command are just converted to their NetBSD values,
* and passed on. The ones that take structure pointers and (flag)
* values need some massaging. This is done the usual way by
* allocating stackgap memory, letting the actual ioctl call do its
* work there and converting back the data afterwards.
*/
int
linux_sys_ioctl(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
struct linux_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap = v;
struct proc *p = l->l_proc;
switch (LINUX_IOCGROUP(SCARG(uap, com))) {
case 'M':
return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval);
case 'Q':
return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval);
case 'P':
return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval);
case 'r': /* VFAT ioctls; not yet supported */
return ENOSYS;
case 'S':
return linux_ioctl_cdrom(p, uap, retval);
case 't':
case 'f':
return linux_ioctl_termios(p, uap, retval);
case 'T':
{
#if NSEQUENCER > 0
/* XXX XAX 2x check this. */
/*
* Both termios and the MIDI sequncer use 'T' to identify
* the ioctl, so we have to differentiate them in another
* way. We do it by indexing in the cdevsw with the major
* device number and check if that is the sequencer entry.
*/
struct file *fp;
struct filedesc *fdp;
struct vnode *vp;
struct vattr va;
int error;
extern const struct cdevsw sequencer_cdevsw;
fdp = p->p_fd;
if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
return EBADF;
FILE_USE(fp);
if (fp->f_type == DTYPE_VNODE &&
(vp = (struct vnode *)fp->f_data) != NULL &&
vp->v_type == VCHR &&
VOP_GETATTR(vp, &va, p->p_ucred, p) == 0 &&
cdevsw_lookup(va.va_rdev) == &sequencer_cdevsw) {
error = oss_ioctl_sequencer(p, (void*)LINUX_TO_OSS(uap),
retval);
}
else {
error = linux_ioctl_termios(p, uap, retval);
}
FILE_UNUSE(fp, p);
return error;
#else
return linux_ioctl_termios(p, uap, retval);
#endif
}
case 0x89:
return linux_ioctl_socket(p, uap, retval);
case 0x03:
return linux_ioctl_hdio(p, uap, retval);
case 0x02:
return linux_ioctl_fdio(p, uap, retval);
case 0x12:
return linux_ioctl_blkio(p, uap, retval);
default:
return linux_machdepioctl(p, uap, retval);
}
}
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