1 /*        $NetBSD: linux_ioctl.h,v 1.30 2024/10/01 16:41:29 riastradh Exp $     */
2 
3 /*-
4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden and Eric Haszlakiewicz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _LINUX_IOCTL_H
33 #define _LINUX_IOCTL_H
34 
35 struct linux_sys_ioctl_args;
36 
37 #ifdef _KERNEL
38 __BEGIN_DECLS
39 int linux_machdepioctl(struct lwp *, const struct linux_sys_ioctl_args *, register_t *);
40 int linux_ioctl_cdrom(struct lwp *, const struct linux_sys_ioctl_args *,
41     register_t *);
42 int linux_ioctl_termios(struct lwp *, const struct linux_sys_ioctl_args *,
43     register_t *);
44 int linux_ioctl_timerfd(struct lwp *, const struct linux_sys_ioctl_args *,
45     register_t *);
46 int linux_ioctl_socket(struct lwp *, const struct linux_sys_ioctl_args *,
47     register_t *);
48 int linux_ioctl_hdio(struct lwp *, const struct linux_sys_ioctl_args *,
49     register_t *);
50 int linux_ioctl_fdio(struct lwp *, const struct linux_sys_ioctl_args *uap,
51                  register_t *retval);
52 int linux_ioctl_blkio(struct lwp *, const struct linux_sys_ioctl_args *uap,
53                  register_t *retval);
54 int linux_ioctl_sg(struct lwp *, const struct linux_sys_ioctl_args *uap,
55                  register_t *retval);
56 int linux_ioctl_mtio(struct lwp *, const struct linux_sys_ioctl_args *uap,
57                  register_t *retval);
58 __END_DECLS
59 #endif    /* !_KERNEL */
60 
61 #if defined(__i386__)
62 #include <compat/linux/arch/i386/linux_ioctl.h>
63 #elif defined(__m68k__)
64 #include <compat/linux/arch/m68k/linux_ioctl.h>
65 #elif defined(__alpha__)
66 #include <compat/linux/arch/alpha/linux_ioctl.h>
67 #elif defined(__powerpc__)
68 #include <compat/linux/arch/powerpc/linux_ioctl.h>
69 #elif defined(__mips__)
70 #include <compat/linux/arch/mips/linux_ioctl.h>
71 #elif defined(__aarch64__)
72 #include <compat/linux/arch/arm/linux_ioctl.h>
73 #elif defined(__arm__)
74 #include <compat/linux/arch/arm/linux_ioctl.h>
75 #elif defined(__amd64__)
76 #include <compat/linux/arch/amd64/linux_ioctl.h>
77 #else
78 #error Undefined linux_ioctl.h machine type.
79 #endif
80 
81 #define   _LINUX_IOC_NRMASK   ((1 << _LINUX_IOC_NRBITS) - 1)
82 #define   _LINUX_IOC_TYPEMASK ((1 << _LINUX_IOC_TYPEBITS) - 1)
83 #define   _LINUX_IOC_SIZEMASK ((1 << _LINUX_IOC_SIZEBITS) - 1)
84 #define _LINUX_IOC_DIRMASK    ((1 << _LINUX_IOC_DIRBITS) - 1)
85 
86 #define   _LINUX_IOC_TYPESHIFT          (_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
87 #define   _LINUX_IOC_SIZESHIFT          (_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
88 #define   _LINUX_IOC_DIRSHIFT (_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
89 
90 #define   _LINUX_IOC(dir,type,nr,size)            \
91           (((nr)   << _LINUX_IOC_NRSHIFT) |       \
92            ((type) << _LINUX_IOC_TYPESHIFT) |     \
93            ((size) << _LINUX_IOC_SIZESHIFT) |     \
94            ((dir)  << _LINUX_IOC_DIRSHIFT))
95 
96 #define _LINUX_IO(type,nr)              \
97           _LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
98 #define   _LINUX_IOR(type,nr,size)      \
99           _LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
100 #define   _LINUX_IOW(type,nr,size)      \
101           _LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
102 #define   _LINUX_IOWR(type,nr,size)     \
103           _LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
104 
105 #define _LINUX_IOC_DIR(nr)    \
106           (((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
107 #define _LINUX_IOC_TYPE(nr)   \
108           (((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
109 #define _LINUX_IOC_NR(nr)     \
110           (((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
111 #define _LINUX_IOC_SIZE(nr)   \
112           (((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
113 
114 #define LINUX_IOCGROUP(x)     _LINUX_IOC_TYPE(x)
115 
116 #endif /* !_LINUX_IOCTL_H */
117