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.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
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.
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.
31 #ifndef _LINUX_MODULEPARAM_H_
32 #define _LINUX_MODULEPARAM_H_
34 #include <sys/types.h>
35 #include <sys/sysctl.h>
37 #include <linux/types.h>
39 #ifndef LINUXKPI_PARAM_PARENT
40 #define LINUXKPI_PARAM_PARENT _compat_linuxkpi
43 #ifndef LINUXKPI_PARAM_PREFIX
44 #define LINUXKPI_PARAM_PREFIX /* empty prefix is the default */
47 #ifndef LINUXKPI_PARAM_PERM
48 #define LINUXKPI_PARAM_PERM(perm) (((perm) & 0222) ? CTLFLAG_RWTUN : CTLFLAG_RDTUN)
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,,)
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)))
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)))
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)))
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)))
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)))
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)))
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)))
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)))
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)))
111 #define module_param_named(name, var, type, mode) \
112 LINUXKPI_PARAM_##type(name, var, mode)
114 #define module_param(var, type, mode) \
115 LINUXKPI_PARAM_##type(var, var, mode)
117 #define module_param_named_unsafe(name, var, type, mode) \
118 LINUXKPI_PARAM_##type(name, var, mode)
120 #define module_param_unsafe(var, type, mode) \
121 LINUXKPI_PARAM_##type(var, var, mode)
123 #define module_param_array(var, type, addr_argc, mode)
125 #define MODULE_PARM_DESC(name, desc) \
126 const char LINUXKPI_PARAM_DESC(name)[] = { desc }
128 #define kernel_param_lock(...) do {} while (0)
129 #define kernel_param_unlock(...) do {} while (0)
131 SYSCTL_DECL(_compat_linuxkpi);
133 #endif /* _LINUX_MODULEPARAM_H_ */