xref: /netbsd-src/sys/compat/linux32/common/linux32_ioctl.c (revision fff57c5525bbe431aee7bdb3983954f0627a42cb)
1 /*	$NetBSD: linux32_ioctl.c,v 1.10 2008/01/22 01:05:05 jmcneill 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 1.10 2008/01/22 01:05:05 jmcneill 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 extern int linux_ioctl_socket(struct lwp *,
60     struct linux_sys_ioctl_args *, register_t *);
61 
62 int
63 linux32_sys_ioctl(struct lwp *l, const struct linux32_sys_ioctl_args *uap, register_t *retval)
64 {
65 	/* {
66 		syscallarg(int) fd;
67 		syscallarg(netbsd32_u_long) com;
68 		syscallarg(netbsd32_charp) data;
69 	} */
70 	struct oss_sys_ioctl_args ossuap;
71 	int group;
72 	int error;
73 
74 	group = LINUX32_IOCGROUP((int)SCARG(uap, com));
75 
76 #ifdef DEBUG_LINUX
77 	printf("linux32_sys_ioctl(%d, 0x%x/\'%c\', %p)\n", SCARG(uap, fd),
78 	    SCARG(uap, com), (char)group, SCARG_P32(uap, data));
79 #endif
80 
81 	switch(group) {
82 	case 'T':
83 		error = linux32_ioctl_termios(l, uap, retval);
84 		break;
85 	case 'M':
86 	case 'Q':
87 	case 'P':
88 		SCARG(&ossuap, fd) = SCARG(uap, fd);
89 		SCARG(&ossuap, com) = (u_long)SCARG(uap, com);
90 		SCARG(&ossuap, data) = SCARG_P32(uap, data);
91 		switch (group) {
92 		case 'M':
93 			error = oss_ioctl_mixer(l, &ossuap, retval);
94 			break;
95 		case 'Q':
96 			error = oss_ioctl_sequencer(l, &ossuap, retval);
97 			break;
98 		case 'P':
99 			error = oss_ioctl_audio(l, &ossuap, retval);
100 			break;
101 		default:
102 			error = EINVAL; /* shutup gcc */
103 			break;
104 		}
105 		break;
106 	case 0x89: {
107 		struct linux_sys_ioctl_args cup;
108 
109 		SCARG(&cup, fd) = SCARG(uap, fd);
110 		SCARG(&cup, com) = (u_long)SCARG(uap, com);
111 		SCARG(&cup, data) = SCARG_P32(uap, data);
112 		error = linux_ioctl_socket(l, &cup, retval);
113 		break;
114 	}
115 	default:
116 		printf("Not yet implemented ioctl group \'%c\'\n", group);
117 		error = EINVAL;
118 		break;
119 	}
120 
121 	if (error == EPASSTHROUGH)
122 		error = EINVAL;
123 
124 	return error;
125 }
126