2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef _LINUX_MODULEPARAM_H_
29 #define _LINUX_MODULEPARAM_H_
31 #include <linux/types.h>
34 * These are presently not hooked up to anything. In linux the parameters
35 * can be set when modules are loaded. On FreeBSD these could be mapped
36 * to kenv in the future.
40 typedef int (*param_set_fn)(const char *val, struct kernel_param *kp);
41 typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp);
51 struct kparam_string *str;
52 struct kparam_array *arr;
56 #define KPARAM_ISBOOL 2
58 struct kparam_string {
69 unsigned int elemsize;
74 param_sysinit(struct kernel_param *param)
78 #define module_param_call(name, set, get, arg, perm) \
79 static struct kernel_param __param_##name = \
80 { #name, perm, 0, set, get, { arg } }; \
81 SYSINIT(name##_param_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, \
82 param_sysinit, &__param_##name);
84 #define module_param_named(name, var, type, mode) \
85 module_param_call(name, param_set_##type, param_get_##type, &var, mode)
87 #define module_param(var, type, mode) \
88 module_param_named(var, var, type, mode)
90 #define module_param_array(var, type, addr_argc, mode) \
91 module_param_named(var, var, type, mode)
93 #define MODULE_PARM_DESC(name, desc)
96 param_set_byte(const char *val, struct kernel_param *kp)
103 param_get_byte(char *buffer, struct kernel_param *kp)
111 param_set_short(const char *val, struct kernel_param *kp)
118 param_get_short(char *buffer, struct kernel_param *kp)
126 param_set_ushort(const char *val, struct kernel_param *kp)
133 param_get_ushort(char *buffer, struct kernel_param *kp)
141 param_set_int(const char *val, struct kernel_param *kp)
148 param_get_int(char *buffer, struct kernel_param *kp)
156 param_set_uint(const char *val, struct kernel_param *kp)
163 param_get_uint(char *buffer, struct kernel_param *kp)
171 param_set_long(const char *val, struct kernel_param *kp)
178 param_get_long(char *buffer, struct kernel_param *kp)
186 param_set_ulong(const char *val, struct kernel_param *kp)
193 param_get_ulong(char *buffer, struct kernel_param *kp)
201 param_set_charp(const char *val, struct kernel_param *kp)
208 param_get_charp(char *buffer, struct kernel_param *kp)
216 param_set_bool(const char *val, struct kernel_param *kp)
223 param_get_bool(char *buffer, struct kernel_param *kp)
229 #endif /* _LINUX_MODULEPARAM_H_ */