2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 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.
30 #ifndef _LINUX_MODULEPARAM_H_
31 #define _LINUX_MODULEPARAM_H_
33 #include <linux/types.h>
36 * These are presently not hooked up to anything. In linux the parameters
37 * can be set when modules are loaded. On FreeBSD these could be mapped
38 * to kenv in the future.
42 typedef int (*param_set_fn)(const char *val, struct kernel_param *kp);
43 typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp);
53 struct kparam_string *str;
54 struct kparam_array *arr;
58 #define KPARAM_ISBOOL 2
60 struct kparam_string {
71 unsigned int elemsize;
76 param_sysinit(struct kernel_param *param)
80 #define module_param_call(name, set, get, arg, perm) \
81 static struct kernel_param __param_##name = \
82 { #name, perm, 0, set, get, { arg } }; \
83 SYSINIT(name##_param_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, \
84 param_sysinit, &__param_##name);
86 #define module_param_string(name, string, len, perm)
88 #define module_param_named(name, var, type, mode) \
89 module_param_call(name, param_set_##type, param_get_##type, &var, mode)
91 #define module_param(var, type, mode) \
92 module_param_named(var, var, type, mode)
94 #define module_param_array(var, type, addr_argc, mode) \
95 module_param_named(var, var, type, mode)
97 #define MODULE_PARM_DESC(name, desc)
100 param_set_byte(const char *val, struct kernel_param *kp)
107 param_get_byte(char *buffer, struct kernel_param *kp)
115 param_set_short(const char *val, struct kernel_param *kp)
122 param_get_short(char *buffer, struct kernel_param *kp)
130 param_set_ushort(const char *val, struct kernel_param *kp)
137 param_get_ushort(char *buffer, struct kernel_param *kp)
145 param_set_int(const char *val, struct kernel_param *kp)
152 param_get_int(char *buffer, struct kernel_param *kp)
160 param_set_uint(const char *val, struct kernel_param *kp)
167 param_get_uint(char *buffer, struct kernel_param *kp)
175 param_set_long(const char *val, struct kernel_param *kp)
182 param_get_long(char *buffer, struct kernel_param *kp)
190 param_set_ulong(const char *val, struct kernel_param *kp)
197 param_get_ulong(char *buffer, struct kernel_param *kp)
205 param_set_charp(const char *val, struct kernel_param *kp)
212 param_get_charp(char *buffer, struct kernel_param *kp)
220 param_set_bool(const char *val, struct kernel_param *kp)
227 param_get_bool(char *buffer, struct kernel_param *kp)
233 #endif /* _LINUX_MODULEPARAM_H_ */