Annotation of sys/compat/linux/linux_ioctl.c, Revision 1.1.1.1
1.1 nbrk 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: }
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