[3f8be484] | 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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[566db8e] | 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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[3f8be484] | 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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[e0e40d3] | 26 | xpointer="xpointer(//*[@os='a'])"/> |
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[3f8be484] | 27 | |
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[e0e40d3] | 28 | <screen os="b"><userinput>make CC="gcc ${BUILD64}" LD="gcc ${BUILD64}" \ |
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[3f8be484] | 29 | EXTRAS="extras/firmware extras/run_directory" udevdir=/dev</userinput></screen> |
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| 30 | |
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[e0e40d3] | 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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[3f8be484] | 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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[e0e40d3] | 61 | xpointer="xpointer(//*[@os='j'])"/> |
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[3f8be484] | 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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[e0e40d3] | 65 | xpointer="xpointer(//*[@os='k'])"/> |
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[3f8be484] | 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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[e0e40d3] | 69 | xpointer="xpointer(//*[@os='l'])"/> |
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[3f8be484] | 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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[e0e40d3] | 73 | xpointer="xpointer(//*[@os='m'])"/> |
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[3f8be484] | 74 | |
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[4faecfa] | 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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[3f8be484] | 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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