1 | /*- |
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2 | * Copyright (c) 2010 Isilon Systems, Inc. |
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3 | * Copyright (c) 2010 iX Systems, Inc. |
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4 | * Copyright (c) 2010 Panasas, Inc. |
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5 | * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. |
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6 | * All rights reserved. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice unmodified, this list of conditions, and the following |
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13 | * disclaimer. |
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14 | * 2. Redistributions in binary form must reproduce the above copyright |
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15 | * notice, this list of conditions and the following disclaimer in the |
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16 | * documentation and/or other materials provided with the distribution. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | * |
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29 | * $FreeBSD$ |
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30 | */ |
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31 | #ifndef _LINUX_MODULEPARAM_H_ |
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32 | #define _LINUX_MODULEPARAM_H_ |
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33 | |
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34 | #include <linux/types.h> |
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35 | |
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36 | /* |
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37 | * These are presently not hooked up to anything. In linux the parameters |
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38 | * can be set when modules are loaded. On FreeBSD these could be mapped |
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39 | * to kenv in the future. |
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40 | */ |
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41 | struct kernel_param; |
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42 | |
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43 | typedef int (*param_set_fn)(const char *val, struct kernel_param *kp); |
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44 | typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); |
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45 | |
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46 | struct kernel_param { |
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47 | const char *name; |
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48 | u16 perm; |
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49 | u16 flags; |
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50 | param_set_fn set; |
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51 | param_get_fn get; |
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52 | union { |
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53 | void *arg; |
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54 | struct kparam_string *str; |
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55 | struct kparam_array *arr; |
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56 | } un; |
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57 | }; |
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58 | |
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59 | #define KPARAM_ISBOOL 2 |
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60 | |
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61 | struct kparam_string { |
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62 | unsigned int maxlen; |
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63 | char *string; |
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64 | }; |
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65 | |
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66 | struct kparam_array |
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67 | { |
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68 | unsigned int max; |
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69 | unsigned int *num; |
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70 | param_set_fn set; |
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71 | param_get_fn get; |
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72 | unsigned int elemsize; |
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73 | void *elem; |
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74 | }; |
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75 | |
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76 | static inline void |
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77 | param_sysinit(struct kernel_param *param) |
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78 | { |
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79 | } |
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80 | |
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81 | #define module_param_call(name, set, get, arg, perm) \ |
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82 | static struct kernel_param __param_##name = \ |
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83 | { #name, perm, 0, set, get, { arg } }; \ |
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84 | SYSINIT(name##_param_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, \ |
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85 | param_sysinit, &__param_##name); |
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86 | |
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87 | #define module_param_string(name, string, len, perm) |
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88 | |
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89 | #define module_param_named(name, var, type, mode) \ |
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90 | module_param_call(name, param_set_##type, param_get_##type, &var, mode) |
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91 | |
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92 | #define module_param(var, type, mode) \ |
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93 | module_param_named(var, var, type, mode) |
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94 | |
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95 | #define module_param_array(var, type, addr_argc, mode) \ |
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96 | module_param_named(var, var, type, mode) |
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97 | |
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98 | #define MODULE_PARM_DESC(name, desc) |
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99 | |
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100 | static inline int |
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101 | param_set_byte(const char *val, struct kernel_param *kp) |
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102 | { |
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103 | |
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104 | return 0; |
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105 | } |
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106 | |
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107 | static inline int |
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108 | param_get_byte(char *buffer, struct kernel_param *kp) |
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109 | { |
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110 | |
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111 | return 0; |
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112 | } |
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113 | |
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114 | |
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115 | static inline int |
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116 | param_set_short(const char *val, struct kernel_param *kp) |
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117 | { |
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118 | |
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119 | return 0; |
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120 | } |
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121 | |
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122 | static inline int |
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123 | param_get_short(char *buffer, struct kernel_param *kp) |
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124 | { |
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125 | |
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126 | return 0; |
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127 | } |
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128 | |
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129 | |
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130 | static inline int |
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131 | param_set_ushort(const char *val, struct kernel_param *kp) |
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132 | { |
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133 | |
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134 | return 0; |
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135 | } |
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136 | |
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137 | static inline int |
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138 | param_get_ushort(char *buffer, struct kernel_param *kp) |
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139 | { |
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140 | |
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141 | return 0; |
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142 | } |
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143 | |
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144 | |
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145 | static inline int |
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146 | param_set_int(const char *val, struct kernel_param *kp) |
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147 | { |
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148 | |
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149 | return 0; |
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150 | } |
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151 | |
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152 | static inline int |
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153 | param_get_int(char *buffer, struct kernel_param *kp) |
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154 | { |
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155 | |
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156 | return 0; |
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157 | } |
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158 | |
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159 | |
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160 | static inline int |
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161 | param_set_uint(const char *val, struct kernel_param *kp) |
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162 | { |
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163 | |
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164 | return 0; |
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165 | } |
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166 | |
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167 | static inline int |
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168 | param_get_uint(char *buffer, struct kernel_param *kp) |
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169 | { |
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170 | |
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171 | return 0; |
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172 | } |
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173 | |
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174 | |
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175 | static inline int |
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176 | param_set_long(const char *val, struct kernel_param *kp) |
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177 | { |
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178 | |
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179 | return 0; |
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180 | } |
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181 | |
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182 | static inline int |
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183 | param_get_long(char *buffer, struct kernel_param *kp) |
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184 | { |
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185 | |
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186 | return 0; |
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187 | } |
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188 | |
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189 | |
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190 | static inline int |
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191 | param_set_ulong(const char *val, struct kernel_param *kp) |
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192 | { |
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193 | |
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194 | return 0; |
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195 | } |
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196 | |
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197 | static inline int |
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198 | param_get_ulong(char *buffer, struct kernel_param *kp) |
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199 | { |
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200 | |
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201 | return 0; |
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202 | } |
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203 | |
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204 | |
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205 | static inline int |
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206 | param_set_charp(const char *val, struct kernel_param *kp) |
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207 | { |
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208 | |
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209 | return 0; |
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210 | } |
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211 | |
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212 | static inline int |
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213 | param_get_charp(char *buffer, struct kernel_param *kp) |
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214 | { |
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215 | |
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216 | return 0; |
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217 | } |
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218 | |
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219 | |
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220 | static inline int |
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221 | param_set_bool(const char *val, struct kernel_param *kp) |
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222 | { |
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223 | |
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224 | return 0; |
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225 | } |
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226 | |
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227 | static inline int |
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228 | param_get_bool(char *buffer, struct kernel_param *kp) |
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229 | { |
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230 | |
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231 | return 0; |
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232 | } |
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233 | |
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234 | #endif /* _LINUX_MODULEPARAM_H_ */ |
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