1 /* $NetBSD: linux32_ioctl.c,v 1.13 2009/08/18 02:02:58 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 1.13 2009/08/18 02:02:58 christos Exp $");
36
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/time.h>
40 #include <sys/ucred.h>
41 #include <sys/ioctl.h>
42
43 #include <compat/netbsd32/netbsd32.h>
44 #include <compat/netbsd32/netbsd32_syscallargs.h>
45
46 #include <compat/linux/common/linux_types.h>
47 #include <compat/linux/common/linux_signal.h>
48 #include <compat/linux/common/linux_ipc.h>
49 #include <compat/linux/common/linux_sem.h>
50 #include <compat/linux/linux_syscallargs.h>
51
52 #include <compat/linux32/common/linux32_types.h>
53 #include <compat/linux32/common/linux32_signal.h>
54 #include <compat/linux32/common/linux32_ioctl.h>
55 #include <compat/linux32/common/linux32_termios.h>
56 #include <compat/linux32/common/linux32_sysctl.h>
57 #include <compat/linux32/linux32_syscallargs.h>
58
59 #include <compat/ossaudio/ossaudio.h>
60 #include <compat/ossaudio/ossaudiovar.h>
61
62 int
linux32_sys_ioctl(struct lwp * l,const struct linux32_sys_ioctl_args * uap,register_t * retval)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 'V': /* video4linux2 */
107 case 'd': /* drm */
108 {
109 struct sys_ioctl_args ua;
110 u_long com = 0;
111 if (SCARG(uap, com) & IOC_IN)
112 com |= IOC_OUT;
113 if (SCARG(uap, com) & IOC_OUT)
114 com |= IOC_IN;
115 SCARG(&ua, fd) = SCARG(uap, fd);
116 SCARG(&ua, com) = SCARG(uap, com);
117 SCARG(&ua, com) &= ~IOC_DIRMASK;
118 SCARG(&ua, com) |= com;
119 SCARG(&ua, data) = SCARG_P32(uap, data);
120 error = sys_ioctl(l, (const void *)&ua, retval);
121 break;
122 }
123 case 0x89:
124 error = linux32_ioctl_socket(l, uap, retval);
125 break;
126 default:
127 printf("Not yet implemented ioctl group \'%c\'\n", group);
128 error = EINVAL;
129 break;
130 }
131
132 if (error == EPASSTHROUGH)
133 error = EINVAL;
134
135 return error;
136 }
137