xref: /netbsd-src/sys/compat/linux32/common/linux32_ioctl.c (revision cac8e449158efc7261bebc8657cbb0125a2cfdde)
1 /*	$NetBSD: linux32_ioctl.c,v 1.11 2008/06/19 16:09:25 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Emmanuel Dreyfus
17  * 4. The name of the author may not be used to endorse or promote
18  *    products derived from this software without specific prior written
19  *    permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: linux32_ioctl.c,v 1.11 2008/06/19 16:09:25 christos Exp $");
36 
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/time.h>
40 #include <sys/ucred.h>
41 
42 #include <compat/netbsd32/netbsd32.h>
43 #include <compat/netbsd32/netbsd32_syscallargs.h>
44 
45 #include <compat/linux/common/linux_types.h>
46 #include <compat/linux/common/linux_signal.h>
47 #include <compat/linux/linux_syscallargs.h>
48 
49 #include <compat/linux32/common/linux32_types.h>
50 #include <compat/linux32/common/linux32_signal.h>
51 #include <compat/linux32/common/linux32_ioctl.h>
52 #include <compat/linux32/common/linux32_termios.h>
53 #include <compat/linux32/common/linux32_sysctl.h>
54 #include <compat/linux32/linux32_syscallargs.h>
55 
56 #include <compat/ossaudio/ossaudio.h>
57 #include <compat/ossaudio/ossaudiovar.h>
58 
59 int
60 linux32_sys_ioctl(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval)
61 {
62 	/* {
63 		syscallarg(int) fd;
64 		syscallarg(netbsd32_u_long) com;
65 		syscallarg(netbsd32_charp) data;
66 	} */
67 	struct oss_sys_ioctl_args ossuap;
68 	int group;
69 	int error;
70 
71 	group = LINUX32_IOCGROUP((int)SCARG(uap, com));
72 
73 #ifdef DEBUG_LINUX
74 	printf("linux32_sys_ioctl(%d, 0x%x/\'%c\', %p)\n", SCARG(uap, fd),
75 	    SCARG(uap, com), (char)group, SCARG_P32(uap, data));
76 #endif
77 
78 	switch(group) {
79 	case 'T':
80 		error = linux32_ioctl_termios(l, uap, retval);
81 		break;
82 	case 'M':
83 	case 'Q':
84 	case 'P':
85 		SCARG(&ossuap, fd) = SCARG(uap, fd);
86 		SCARG(&ossuap, com) = (u_long)SCARG(uap, com);
87 		SCARG(&ossuap, data) = SCARG_P32(uap, data);
88 		switch (group) {
89 		case 'M':
90 			error = oss_ioctl_mixer(l, &ossuap, retval);
91 			break;
92 		case 'Q':
93 			error = oss_ioctl_sequencer(l, &ossuap, retval);
94 			break;
95 		case 'P':
96 			error = oss_ioctl_audio(l, &ossuap, retval);
97 			break;
98 		default:
99 			error = EINVAL; /* shutup gcc */
100 			break;
101 		}
102 		break;
103 	case 0x89:
104 		error = linux32_ioctl_socket(l, uap, retval);
105 		break;
106 	default:
107 		printf("Not yet implemented ioctl group \'%c\'\n", group);
108 		error = EINVAL;
109 		break;
110 	}
111 
112 	if (error == EPASSTHROUGH)
113 		error = EINVAL;
114 
115 	return error;
116 }
117