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/* $OpenBSD: freebsd_ioctl.c,v 1.3 1998/04/26 21:22:29 provos Exp $ */
/* $NetBSD: freebsd_ioctl.c,v 1.1 1995/10/10 01:19:31 mycroft Exp $ */
/*
* Copyright (c) 1995 Frank van der Linden
* 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 for the NetBSD Project
* by Frank van der Linden
* 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/systm.h>
#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <compat/freebsd/freebsd_syscallargs.h>
#include <compat/freebsd/freebsd_util.h>
#include <compat/freebsd/freebsd_ioctl.h>
#include <compat/ossaudio/ossaudio.h>
#include <compat/ossaudio/ossaudiovar.h>
/* The FreeBSD and OSS(Linux) encodings of ioctl R/W differ. */
static void freebsd_to_oss(struct freebsd_sys_ioctl_args *,
struct oss_sys_ioctl_args *);
static void
freebsd_to_oss(uap, rap)
struct freebsd_sys_ioctl_args *uap;
struct oss_sys_ioctl_args *rap;
{
u_long ocmd, ncmd;
ocmd = SCARG(uap, com);
ncmd = ocmd &~ FREEBSD_IOC_DIRMASK;
switch(ocmd & FREEBSD_IOC_DIRMASK) {
case FREEBSD_IOC_VOID: ncmd |= OSS_IOC_VOID; break;
case FREEBSD_IOC_OUT: ncmd |= OSS_IOC_OUT; break;
case FREEBSD_IOC_IN: ncmd |= OSS_IOC_IN; break;
case FREEBSD_IOC_INOUT: ncmd |= OSS_IOC_INOUT; break;
}
SCARG(rap, fd) = SCARG(uap, fd);
SCARG(rap, com) = ncmd;
SCARG(rap, data) = SCARG(uap, data);
}
int
freebsd_sys_ioctl(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap = v;
struct oss_sys_ioctl_args ap;
/*
* XXX - <sys/cdio.h>'s incompatibility
* _IO('c', 25..27, *): incompatible
* _IO('c', 28... , *): not exist
*/
/* XXX - <sys/mtio.h> */
/* XXX - <sys/scsiio.h> */
/* XXX - should convert machine dependent ioctl()s */
switch (FREEBSD_IOCGROUP(SCARG(uap, com))) {
case 'M':
freebsd_to_oss(uap, &ap);
return oss_ioctl_mixer(p, &ap, retval);
case 'Q':
freebsd_to_oss(uap, &ap);
return oss_ioctl_sequencer(p, &ap, retval);
case 'P':
freebsd_to_oss(uap, &ap);
return oss_ioctl_audio(p, &ap, retval);
default:
return sys_ioctl(p, uap, retval);
}
}
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