moduleparam.h revision 300677 
1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/compat/linuxkpi/common/include/linux/moduleparam.h 300677 2016-05-25 12:12:14Z hselasky $
30 */
31#ifndef	_LINUX_MODULEPARAM_H_
32#define	_LINUX_MODULEPARAM_H_
33
34#include <sys/types.h>
35#include <sys/sysctl.h>
36
37#include <linux/types.h>
38
39#ifndef LINUXKPI_PARAM_PARENT
40#define	LINUXKPI_PARAM_PARENT	_compat_linuxkpi
41#endif
42
43#ifndef LINUXKPI_PARAM_PREFIX
44#define	LINUXKPI_PARAM_PREFIX	/* empty prefix is the default */
45#endif
46
47#define	LINUXKPI_PARAM_CONCAT_SUB(a,b,c,d) a##b##c##d
48#define	LINUXKPI_PARAM_CONCAT(...) LINUXKPI_PARAM_CONCAT_SUB(__VA_ARGS__)
49#define	LINUXKPI_PARAM_PASS(...) __VA_ARGS__
50#define	LINUXKPI_PARAM_DESC(name) LINUXKPI_PARAM_CONCAT(linuxkpi_,LINUXKPI_PARAM_PREFIX,name,_desc)
51#define	LINUXKPI_PARAM_NAME(name) LINUXKPI_PARAM_CONCAT(LINUXKPI_PARAM_PREFIX,name,,)
52
53#define	LINUXKPI_PARAM_byte(name, var)					\
54	extern const char LINUXKPI_PARAM_DESC(name)[];			\
55	LINUXKPI_PARAM_PASS(SYSCTL_U8(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
56	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
57	LINUXKPI_PARAM_DESC(name)))
58
59#define	LINUXKPI_PARAM_short(name, var)					\
60	extern const char LINUXKPI_PARAM_DESC(name)[];			\
61	LINUXKPI_PARAM_PASS(SYSCTL_S16(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
62        LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
63	LINUXKPI_PARAM_DESC(name)))
64
65#define	LINUXKPI_PARAM_ushort(name, var)				\
66	extern const char LINUXKPI_PARAM_DESC(name)[];			\
67	LINUXKPI_PARAM_PASS(SYSCTL_U16(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
68	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
69	LINUXKPI_PARAM_DESC(name)))
70
71#define	LINUXKPI_PARAM_int(name, var)					\
72	extern const char LINUXKPI_PARAM_DESC(name)[];			\
73	LINUXKPI_PARAM_PASS(SYSCTL_INT(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
74	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
75	LINUXKPI_PARAM_DESC(name)))
76
77#define	LINUXKPI_PARAM_uint(name, var)					\
78	extern const char LINUXKPI_PARAM_DESC(name)[];			\
79	LINUXKPI_PARAM_PASS(SYSCTL_UINT(LINUXKPI_PARAM_PARENT, OID_AUTO, \
80	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
81	LINUXKPI_PARAM_DESC(name)))
82
83#define	LINUXKPI_PARAM_long(name, var)					\
84	extern const char LINUXKPI_PARAM_DESC(name)[];			\
85	LINUXKPI_PARAM_PASS(SYSCTL_LONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
86	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
87	LINUXKPI_PARAM_DESC(name)))
88
89#define	LINUXKPI_PARAM_ulong(name, var)					\
90	extern const char LINUXKPI_PARAM_DESC(name)[];			\
91	LINUXKPI_PARAM_PASS(SYSCTL_ULONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
92	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, &(var), 0,		\
93	LINUXKPI_PARAM_DESC(name)))
94
95#define	module_param_string(name, str, len, perm)			\
96	extern const char LINUXKPI_PARAM_DESC(name)[];			\
97	LINUXKPI_PARAM_PASS(SYSCTL_STRING(LINUXKPI_PARAM_PARENT, OID_AUTO, \
98	LINUXKPI_PARAM_NAME(name), CTLFLAG_RDTUN, (str), (len),		\
99	LINUXKPI_PARAM_DESC(name)))
100
101#define	module_param_named(name, var, type, mode)	\
102	LINUXKPI_PARAM_##type(name, var)
103
104#define	module_param(var, type, mode)	\
105	LINUXKPI_PARAM_##type(var, var)
106
107#define	module_param_array(var, type, addr_argc, mode)
108
109#define	MODULE_PARM_DESC(name, desc) \
110	const char LINUXKPI_PARAM_DESC(name)[] = { desc }
111
112SYSCTL_DECL(_compat_linuxkpi);
113
114#endif					/* _LINUX_MODULEPARAM_H_ */
115