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: stable/11/sys/compat/linuxkpi/common/include/linux/moduleparam.h 330863 2018-03-13 16:31:54Z 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#ifndef LINUXKPI_PARAM_PERM
48#define	LINUXKPI_PARAM_PERM(perm) (((perm) & 0222) ? CTLFLAG_RWTUN : CTLFLAG_RDTUN)
49#endif
50
51#define	LINUXKPI_PARAM_CONCAT_SUB(a,b,c,d) a##b##c##d
52#define	LINUXKPI_PARAM_CONCAT(...) LINUXKPI_PARAM_CONCAT_SUB(__VA_ARGS__)
53#define	LINUXKPI_PARAM_PASS(...) __VA_ARGS__
54#define	LINUXKPI_PARAM_DESC(name) LINUXKPI_PARAM_CONCAT(linuxkpi_,LINUXKPI_PARAM_PREFIX,name,_desc)
55#define	LINUXKPI_PARAM_NAME(name) LINUXKPI_PARAM_CONCAT(LINUXKPI_PARAM_PREFIX,name,,)
56
57#define	LINUXKPI_PARAM_bool(name, var, perm)				\
58	extern const char LINUXKPI_PARAM_DESC(name)[];			\
59	LINUXKPI_PARAM_PASS(SYSCTL_BOOL(LINUXKPI_PARAM_PARENT, OID_AUTO,\
60	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
61	LINUXKPI_PARAM_DESC(name)))
62
63#define	LINUXKPI_PARAM_byte(name, var, perm)				\
64	extern const char LINUXKPI_PARAM_DESC(name)[];			\
65	LINUXKPI_PARAM_PASS(SYSCTL_U8(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
66	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
67	LINUXKPI_PARAM_DESC(name)))
68
69#define	LINUXKPI_PARAM_short(name, var, perm)				\
70	extern const char LINUXKPI_PARAM_DESC(name)[];			\
71	LINUXKPI_PARAM_PASS(SYSCTL_S16(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
72	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
73	LINUXKPI_PARAM_DESC(name)))
74
75#define	LINUXKPI_PARAM_ushort(name, var, perm)				\
76	extern const char LINUXKPI_PARAM_DESC(name)[];			\
77	LINUXKPI_PARAM_PASS(SYSCTL_U16(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
78	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
79	LINUXKPI_PARAM_DESC(name)))
80
81#define	LINUXKPI_PARAM_int(name, var, perm)				\
82	extern const char LINUXKPI_PARAM_DESC(name)[];			\
83	LINUXKPI_PARAM_PASS(SYSCTL_INT(LINUXKPI_PARAM_PARENT, OID_AUTO,	\
84	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0,\
85	LINUXKPI_PARAM_DESC(name)))
86
87#define	LINUXKPI_PARAM_uint(name, var, perm)				\
88	extern const char LINUXKPI_PARAM_DESC(name)[];			\
89	LINUXKPI_PARAM_PASS(SYSCTL_UINT(LINUXKPI_PARAM_PARENT, OID_AUTO, \
90	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
91	LINUXKPI_PARAM_DESC(name)))
92
93#define	LINUXKPI_PARAM_long(name, var, perm)				\
94	extern const char LINUXKPI_PARAM_DESC(name)[];			\
95	LINUXKPI_PARAM_PASS(SYSCTL_LONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
96	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
97	LINUXKPI_PARAM_DESC(name)))
98
99#define	LINUXKPI_PARAM_ulong(name, var, perm)				\
100	extern const char LINUXKPI_PARAM_DESC(name)[];			\
101	LINUXKPI_PARAM_PASS(SYSCTL_ULONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
102	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
103	LINUXKPI_PARAM_DESC(name)))
104
105#define	module_param_string(name, str, len, perm)			\
106	extern const char LINUXKPI_PARAM_DESC(name)[];			\
107	LINUXKPI_PARAM_PASS(SYSCTL_STRING(LINUXKPI_PARAM_PARENT, OID_AUTO, \
108	LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), (str), (len), \
109	LINUXKPI_PARAM_DESC(name)))
110
111#define	module_param_named(name, var, type, mode)	\
112	LINUXKPI_PARAM_##type(name, var, mode)
113
114#define	module_param(var, type, mode)	\
115	LINUXKPI_PARAM_##type(var, var, mode)
116
117#define	module_param_named_unsafe(name, var, type, mode) \
118	LINUXKPI_PARAM_##type(name, var, mode)
119
120#define	module_param_unsafe(var, type, mode) \
121	LINUXKPI_PARAM_##type(var, var, mode)
122
123#define	module_param_array(var, type, addr_argc, mode)
124
125#define	MODULE_PARM_DESC(name, desc) \
126	const char LINUXKPI_PARAM_DESC(name)[] = { desc }
127
128#define	kernel_param_lock(...) do {} while (0)
129#define	kernel_param_unlock(...) do {} while (0)
130
131SYSCTL_DECL(_compat_linuxkpi);
132
133#endif					/* _LINUX_MODULEPARAM_H_ */
134