144 lines
4.8 KiB
C
144 lines
4.8 KiB
C
/* $NetBSD: linux_ioctl.c,v 1.25 2001/01/10 02:28:38 fvdl Exp $ */
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/*-
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* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Frank van der Linden and Eric Haszlakiewicz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(_KERNEL) && !defined(_LKM)
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#include "sequencer.h"
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#endif
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <sys/file.h>
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#include <sys/vnode.h>
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#include <sys/filedesc.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <sys/sockio.h>
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#include <sys/syscallargs.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_ioctl.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <compat/ossaudio/ossaudio.h>
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#define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */
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/*
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* Most ioctl command are just converted to their NetBSD values,
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* and passed on. The ones that take structure pointers and (flag)
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* values need some massaging. This is done the usual way by
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* allocating stackgap memory, letting the actual ioctl call do its
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* work there and converting back the data afterwards.
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*/
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int
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linux_sys_ioctl(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct linux_sys_ioctl_args /* {
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syscallarg(int) fd;
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syscallarg(u_long) com;
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syscallarg(caddr_t) data;
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} */ *uap = v;
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switch (LINUX_IOCGROUP(SCARG(uap, com))) {
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case 'M':
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return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval);
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case 'Q':
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return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval);
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case 'P':
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return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval);
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case 'S':
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return linux_ioctl_cdrom(p, uap, retval);
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case 't':
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case 'f':
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return linux_ioctl_termios(p, uap, retval);
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case 'T':
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{
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#if NSEQUENCER > 0
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/* XXX XAX 2x check this. */
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/*
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* Both termios and the MIDI sequncer use 'T' to identify
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* the ioctl, so we have to differentiate them in another
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* way. We do it by indexing in the cdevsw with the major
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* device number and check if that is the sequencer entry.
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*/
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struct file *fp;
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struct filedesc *fdp;
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struct vnode *vp;
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struct vattr va;
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extern int sequencerioctl
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__P((dev_t, u_long, caddr_t, int, struct proc *));
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fdp = p->p_fd;
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if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
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(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
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return EBADF;
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if (fp->f_type == DTYPE_VNODE &&
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(vp = (struct vnode *)fp->f_data) != NULL &&
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vp->v_type == VCHR &&
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VOP_GETATTR(vp, &va, p->p_ucred, p) == 0 &&
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major(va.va_rdev) < nchrdev &&
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cdevsw[major(va.va_rdev)].d_ioctl == &sequencerioctl)
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return oss_ioctl_sequencer(p, (void*)LINUX_TO_OSS(uap),
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retval);
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else
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#endif
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return linux_ioctl_termios(p, uap, retval);
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}
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case 0x89:
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return linux_ioctl_socket(p, uap, retval);
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case 0x03:
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return linux_ioctl_hdio(p, uap, retval);
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case 0x02:
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return linux_ioctl_fdio(p, uap, retval);
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case 0x12:
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return linux_ioctl_blkio(p, uap, retval);
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default:
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return linux_machdepioctl(p, uap, retval);
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}
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}
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