1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | |
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8 | <sect1 id="ch-system-udev" role="wrap"> |
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9 | <?dbhtml filename="udev.html"?> |
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10 | |
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11 | <title>Udev-&udev-version;</title> |
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12 | |
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13 | <indexterm zone="ch-system-udev"> |
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14 | <primary sortas="a-Udev">Udev</primary> |
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15 | </indexterm> |
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16 | |
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17 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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18 | href="../common/udev.xml" |
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19 | xpointer="xpointer(//*[@role='package'])"/> |
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20 | |
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21 | <sect2 role="installation"> |
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22 | <title>Installation of Udev</title> |
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23 | |
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24 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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25 | href="../common/udev.xml" |
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26 | xpointer="xpointer(//*[@os='a'])"/> |
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27 | |
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28 | <screen os="b"><userinput>make CC="gcc ${BUILD64}" LD="gcc ${BUILD64}" \ |
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29 | EXTRAS="extras/firmware extras/run_directory" udevdir=/dev</userinput></screen> |
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30 | |
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31 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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32 | href="../common/udev.xml" |
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33 | xpointer="xpointer(//*[@os='c'])"/> |
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34 | |
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35 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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36 | href="../common/udev.xml" |
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37 | xpointer="xpointer(//*[@os='d'])"/> |
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38 | |
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39 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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40 | href="../common/udev.xml" |
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41 | xpointer="xpointer(//*[@os='e'])"/> |
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42 | |
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43 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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44 | href="../common/udev.xml" |
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45 | xpointer="xpointer(//*[@os='f'])"/> |
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46 | |
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47 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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48 | href="../common/udev.xml" |
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49 | xpointer="xpointer(//*[@os='g'])"/> |
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50 | |
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51 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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52 | href="../common/udev.xml" |
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53 | xpointer="xpointer(//*[@os='h'])"/> |
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54 | |
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55 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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56 | href="../common/udev.xml" |
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57 | xpointer="xpointer(//*[@os='i'])"/> |
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58 | |
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59 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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60 | href="../common/udev.xml" |
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61 | xpointer="xpointer(//*[@os='j'])"/> |
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62 | |
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63 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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64 | href="../common/udev.xml" |
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65 | xpointer="xpointer(//*[@os='k'])"/> |
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66 | |
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67 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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68 | href="../common/udev.xml" |
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69 | xpointer="xpointer(//*[@os='l'])"/> |
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70 | |
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71 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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72 | href="../common/udev.xml" |
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73 | xpointer="xpointer(//*[@os='m'])"/> |
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74 | |
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75 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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76 | href="../common/udev.xml" |
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77 | xpointer="xpointer(//*[@os='n'])"/> |
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78 | |
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79 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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80 | href="../common/udev.xml" |
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81 | xpointer="xpointer(//*[@os='o'])"/> |
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82 | |
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83 | </sect2> |
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84 | |
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85 | <sect2 id="contents-udev" role="content"> |
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86 | <title>Contents of Udev</title> |
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87 | |
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88 | <segmentedlist> |
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89 | <segtitle>Installed programs</segtitle> |
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90 | <segtitle>Installed directory</segtitle> |
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91 | |
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92 | <seglistitem> |
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93 | <seg>udev, udevd, udevsend, udevstart, udevinfo, and udevtest</seg> |
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94 | <seg>/etc/udev</seg> |
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95 | </seglistitem> |
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96 | </segmentedlist> |
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97 | |
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98 | <variablelist> |
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99 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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100 | <?dbfo list-presentation="list"?> |
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101 | <?dbhtml list-presentation="table"?> |
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102 | |
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103 | <varlistentry id="udev"> |
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104 | <term><command>udev</command></term> |
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105 | <listitem> |
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106 | <para>Creates device nodes in <filename |
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107 | class="directory">/dev</filename> or renames network interfaces (not |
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108 | in LFS) in response to hotplug events</para> |
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109 | <indexterm zone="ch-system-udev udev"> |
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110 | <primary sortas="b-udev">udev</primary> |
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111 | </indexterm> |
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112 | </listitem></varlistentry> |
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113 | |
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114 | <varlistentry id="udevd"> |
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115 | <term><command>udevd</command></term> |
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116 | <listitem> |
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117 | <para>A daemon that reorders hotplug events before submitting them to |
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118 | <command>udev</command>, |
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119 | thus avoiding various race conditions</para> |
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120 | <indexterm zone="ch-system-udev udevd"> |
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121 | <primary sortas="b-udevd">udevd</primary> |
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122 | </indexterm> |
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123 | </listitem></varlistentry> |
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124 | |
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125 | <varlistentry id="udevsend"> |
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126 | <term><command>udevsend</command></term> |
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127 | <listitem> |
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128 | <para>Delivers hotplug events to <command>udevd</command></para> |
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129 | <indexterm zone="ch-system-udev udevsend"> |
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130 | <primary sortas="b-udevsend">udevsend</primary> |
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131 | </indexterm> |
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132 | </listitem></varlistentry> |
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133 | |
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134 | <varlistentry id="udevstart"> |
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135 | <term><command>udevstart</command></term> |
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136 | <listitem> |
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137 | <para>Creates device nodes in <filename class="directory">/dev</filename> |
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138 | that correspond to drivers compiled directly into the kernel; it |
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139 | performs that task by simulating hotplug events presumably dropped by |
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140 | the kernel before invocation of this program (e.g., because the root |
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141 | filesystem has not been mounted) and submitting such synthetic hotplug |
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142 | events to <command>udev</command></para> |
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143 | <indexterm zone="ch-system-udev udevstart"> |
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144 | <primary sortas="b-udevstart">udevstart</primary> |
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145 | </indexterm> |
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146 | </listitem> |
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147 | </varlistentry> |
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148 | |
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149 | <varlistentry id="udevinfo"> |
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150 | <term><command>udevinfo</command></term> |
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151 | <listitem> |
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152 | <para>Allows users to query the <command>udev</command> database for |
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153 | information on any device currently present on the system; it also |
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154 | provides a way to query any device in the <systemitem |
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155 | class="filesystem">sysfs</systemitem> tree to help create udev |
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156 | rules</para> |
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157 | <indexterm zone="ch-system-udev udevinfo"> |
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158 | <primary sortas="b-udevinfo">udevinfo</primary> |
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159 | </indexterm> |
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160 | </listitem> |
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161 | </varlistentry> |
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162 | |
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163 | <varlistentry id="udevtest"> |
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164 | <term><command>udevtest</command></term> |
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165 | <listitem> |
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166 | <para>Simulates a <command>udev</command> run for the given device, |
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167 | and prints out the name of the node the real <command>udev</command> |
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168 | would have created or (not in LFS) the name of the renamed network |
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169 | interface</para> |
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170 | <indexterm zone="ch-system-udev udevtest"> |
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171 | <primary sortas="b-udevtest">udevtest</primary> |
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172 | </indexterm> |
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173 | </listitem> |
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174 | </varlistentry> |
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175 | |
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176 | <varlistentry id="etc-udev"> |
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177 | <term><filename class="directory">/etc/udev</filename></term> |
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178 | <listitem> |
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179 | <para>Contains <command>udev</command> configuation files, |
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180 | device permissions, and rules for device naming</para> |
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181 | <indexterm zone="ch-system-udev etc-udev"> |
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182 | <primary sortas="e-/etc/udev">/etc/udev</primary> |
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183 | </indexterm> |
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184 | </listitem> |
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185 | </varlistentry> |
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186 | |
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187 | </variablelist> |
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188 | |
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189 | </sect2> |
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190 | |
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191 | </sect1> |
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