1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* $NetBSD: moduleparam.h,v 1.11 2021/12/19 12:01:48 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_MODULEPARAM_H_
#define _LINUX_MODULEPARAM_H_
#include <sys/types.h>
struct linux_module_param_info {
const char *dname; // Name used for description
const char *name; // Name for sysctl
void *ptr; // Pointer to variable value
int type; // MTYPE_
mode_t mode; // 600 (rw) or 400 (r)
};
#define MTYPE_int 0
#define MTYPE_bool 1
#define MTYPE_charp 2
#define MTYPE_uint 3
/*
* In case of accidental cpp expansion, break glass to raise alarm and
* reach antizombie chainsaw.
*/
#define MTYPE__Bool MTYPE_bool
#define module_param_named(NAME, VAR, TYPE, MODE) \
static __attribute__((__used__)) struct linux_module_param_info info_ ## NAME = { \
.dname = # NAME, \
.name = # VAR, \
.ptr = & VAR, \
.type = MTYPE_ ## TYPE, \
.mode = MODE, \
}; \
__link_set_add_data(linux_module_param_info, info_ ## NAME)
#define module_param(VAR, TYPE, MODE) module_param_named(VAR, VAR, TYPE, MODE)
#define module_param_unsafe module_param
#define module_param_named_unsafe module_param_named
#define module_param_string(VAR, TYPE, SIZE, MODE) \
CTASSERT(1) /* XXX */
struct linux_module_param_desc {
const char *name;
const char *description;
};
#define MODULE_PARM_DESC(PARAMETER, DESCRIPTION) \
static __attribute__((__used__)) \
const struct linux_module_param_desc PARAMETER ## _desc = { \
.name = # PARAMETER, \
.description = DESCRIPTION, \
}; \
__link_set_add_rodata(linux_module_param_desc, PARAMETER ## _desc)
#endif /* _LINUX_MODULEPARAM_H_ */
|