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 | |
37 | struct 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) \ |
50 | static __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 | |