1 /* $OpenBSD: linux_ioctl.c,v 1.10 2003/07/23 20:18:10 tedu Exp $ */
2 /* $NetBSD: linux_ioctl.c,v 1.14 1996/04/05 00:01:28 christos Exp $ */
3
4 /*
5 * Copyright (c) 1995 Frank van der Linden
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
19 * by Frank van der Linden
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <sys/param.h>
36 #include <sys/proc.h>
37 #include <sys/systm.h>
38 #include <sys/ioctl.h>
39 #include <sys/mount.h>
40
41 #include <sys/socket.h>
42 #include <net/if.h>
43 #include <sys/sockio.h>
44
45 #include <sys/syscallargs.h>
46
47 #include <compat/linux/linux_types.h>
48 #include <compat/linux/linux_signal.h>
49 #include <compat/linux/linux_syscallargs.h>
50 #include <compat/linux/linux_ioctl.h>
51
52 #include <compat/ossaudio/ossaudio.h>
53 #define LINUX_TO_OSS(v) (v) /* do nothing, same ioctl() encoding */
54
55 /*
56 * Most ioctl command are just converted to their OpenBSD values,
57 * and passed on. The ones that take structure pointers and (flag)
58 * values need some massaging. This is done the usual way by
59 * allocating stackgap memory, letting the actual ioctl call do its
60 * work their and converting back the data afterwards.
61 */
62 int
63 linux_sys_ioctl(p, v, retval)
64 register struct proc *p;
65 void *v;
66 register_t *retval;
67 {
68 register struct linux_sys_ioctl_args /* {
69 syscallarg(int) fd;
70 syscallarg(u_long) com;
71 syscallarg(caddr_t) data;
72 } */ *uap = v;
73
74 switch (LINUX_IOCGROUP(SCARG(uap, com))) {
75 case 'M':
76 return oss_ioctl_mixer(p, LINUX_TO_OSS(v), retval);
77 case 'Q':
78 return oss_ioctl_sequencer(p, LINUX_TO_OSS(v), retval);
79 case 'P':
80 return oss_ioctl_audio(p, LINUX_TO_OSS(v), retval);
81 case 't':
82 case 'f':
83 case 'T': /* XXX MIDI sequencer uses 'T' as well */
84 return linux_ioctl_termios(p, uap, retval);
85 case 'S':
86 return linux_ioctl_cdrom(p, uap, retval);
87 case 'r': /* VFAT ioctls; not yet support */
88 return (EINVAL);
89 case 0x89:
90 return linux_ioctl_socket(p, uap, retval);
91 case 0x03:
92 return linux_ioctl_hdio(p, uap, retval);
93 case 0x02:
94 return linux_ioctl_fdio(p, uap, retval);
95 case 0x12:
96 return linux_ioctl_blkio(p, uap, retval);
97 default:
98 return linux_machdepioctl(p, uap, retval);
99 }
100 }