1/* $NetBSD: moduleparam.h,v 1.5 2015/02/25 14:00:52 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
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_MODULEPARAM_H_
33#define _LINUX_MODULEPARAM_H_
34
35#include <sys/types.h>
36
37struct linux_module_param_info {
38 const char *dname; // Name used for description
39 const char *name; // Name for sysctl
40 void *ptr; // Pointer to variable value
41 int type; // MTYPE_
42 mode_t mode; // 600 (rw) or 400 (r)
43};
44
45#define MTYPE_int 0
46#define MTYPE_bool 1
47#define MTYPE_charp 2
48
49#define module_param_named(NAME, VAR, TYPE, MODE) \
50static __attribute__((__used__)) struct linux_module_param_info info_ ## NAME = { \
51 .dname = # NAME, \
52 .name = # VAR, \
53 .ptr = & VAR, \
54 .type = MTYPE_ ## TYPE, \
55 .mode = MODE, \
56}; \
57__link_set_add_data(linux_module_param_info, info_ ## NAME)
58
59#endif /* _LINUX_MODULEPARAM_H_ */
60