| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/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>Eudev-&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-Eudev">Eudev</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <sect2 role="package">
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| 18 | <title/>
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| 19 |
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| 20 | <para>The Eudev package contains programs for dynamic creation of device
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| 21 | nodes.</para>
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| 22 |
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| 23 | </sect2>
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| 24 |
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| 25 | <sect2 role="installation">
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| 26 | <title>Installation of Eudev</title>
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| 27 |
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| 28 | <para os="a">Prepare Eudev for compilation:</para>
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| 29 |
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| 30 | <screen os="b"><userinput>./configure --prefix=/usr --sysconfdir=/etc \
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| 31 | --with-rootprefix="" --libexecdir=/lib --enable-split-usr \
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| 32 | --libdir=/usr/lib --with-rootlibdir=/lib --enable-rule_generator \
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| 33 | --disable-introspection --disable-keymap --disable-gudev --enable-libkmod</userinput></screen>
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| 34 |
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| 35 | <para os="c">Compile the package:</para>
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| 36 |
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| 37 | <screen os="d"><userinput>make</userinput></screen>
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| 38 |
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| 39 | <para os="e">To test the results, issue: <userinput>make check</userinput>.</para>
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| 40 |
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| 41 | <para os="g">Install the package:</para>
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| 42 |
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| 43 | <screen os="h"><userinput>make install</userinput></screen>
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| 44 |
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| 45 | <para os="i">Create a directory for storing firmware that can be
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| 46 | loaded by <command>udev</command>:</para>
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| 47 |
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| 48 | <screen os="j"><userinput>install -dv /lib/firmware</userinput></screen>
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| 49 |
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| 50 | </sect2>
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| 51 |
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| 52 | <sect2 id="contents-udev" role="content">
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| 53 | <title>Contents of Eudev</title>
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| 54 |
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| 55 | <segmentedlist>
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| 56 | <segtitle>Installed programs</segtitle>
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| 57 | <segtitle>Installed library</segtitle>
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| 58 | <segtitle>Installed directories</segtitle>
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| 59 |
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| 60 | <seglistitem>
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| 61 | <seg>ata_id, cdrom_id, collect, create_floppy_devices, edd_id,
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| 62 | firmware.sh, fstab_import, path_id, scsi_id, udevadm, udevd, usb_id,
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| 63 | v4l_id, write_cd_rules, write_net_rules</seg>
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| 64 | <seg>libudev</seg>
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| 65 | <seg>/etc/udev, /lib/firmware, /lib/udev, /usr/share/doc/udev</seg>
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| 66 | </seglistitem>
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| 67 | </segmentedlist>
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| 68 |
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| 69 | <variablelist>
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| 70 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 71 | <?dbfo list-presentation="list"?>
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| 72 | <?dbhtml list-presentation="table"?>
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| 73 |
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| 74 | <varlistentry id="udevadm">
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| 75 | <term><command>udevadm</command></term>
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| 76 | <listitem>
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| 77 | <para>Controls the runtime behavior of Eudev, requests kernel
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| 78 | events, manages the event queue, and provides simple debugging.</para>
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| 79 | <indexterm zone="ch-system-udev udevadm">
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| 80 | <primary sortas="b-udevadm">udevadm</primary>
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| 81 | </indexterm>
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| 82 | </listitem>
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| 83 | </varlistentry>
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| 84 |
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| 85 | <varlistentry id="udevd">
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| 86 | <term><command>udevd</command></term>
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| 87 | <listitem>
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| 88 | <para>A daemon that reorders hotplug events before submitting them to
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| 89 | <command>udev</command>,
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| 90 | thus avoiding various race conditions</para>
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| 91 | <indexterm zone="ch-system-udev udevd">
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| 92 | <primary sortas="b-udevd">udevd</primary>
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| 93 | </indexterm>
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| 94 | </listitem>
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| 95 | </varlistentry>
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| 96 |
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| 97 | <!-- Start of Helpers -->
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| 98 | <varlistentry id="ata_id">
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| 99 | <term><command>ata_id</command></term>
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| 100 | <listitem>
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| 101 | <para>Provides Eudev with a unique string and additional
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| 102 | information (uuid, label) for an ATA drive</para>
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| 103 | <indexterm zone="ch-system-udev ata_id">
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| 104 | <primary sortas="b-ata_id">ata_id</primary>
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| 105 | </indexterm>
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| 106 | </listitem>
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| 107 | </varlistentry>
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| 108 |
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| 109 | <varlistentry id="cdrom_id">
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| 110 | <term><command>cdrom_id</command></term>
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| 111 | <listitem>
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| 112 | <para>Prints the capabilities of a CDROM or DVDROM drive.</para>
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| 113 | <indexterm zone="ch-system-udev cdrom_id">
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| 114 | <primary sortas="b-cdrom_id">cdrom_id</primary>
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| 115 | </indexterm>
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| 116 | </listitem>
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| 117 | </varlistentry>
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| 118 |
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| 119 | <varlistentry id="collect">
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| 120 | <term><command>collect</command></term>
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| 121 | <listitem>
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| 122 | <para>Given an ID for the current uevent and a list of IDs
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| 123 | (for all target uevents), registers the current ID and indicates whether
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| 124 | all target IDs have been registered.</para>
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| 125 | <indexterm zone="ch-system-udev collect">
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| 126 | <primary sortas="b-collect">collect</primary>
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| 127 | </indexterm>
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| 128 | </listitem>
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| 129 | </varlistentry>
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| 130 |
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| 131 | <varlistentry id="create_floppy_devices">
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| 132 | <term><command>create_floppy_devices</command></term>
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| 133 | <listitem>
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| 134 | <para>Creates all possible floppy devices based on the CMOS type</para>
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| 135 | <indexterm zone="ch-system-udev create_floppy_devices">
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| 136 | <primary sortas="b-create_floppy_devices">create_floppy_devices</primary>
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| 137 | </indexterm>
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| 138 | </listitem>
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| 139 | </varlistentry>
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| 140 |
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| 141 | <varlistentry id="edd_id">
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| 142 | <term><command>edd_id</command></term>
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| 143 | <listitem>
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| 144 | <para>Identifies x86 disk drives from Enhanced Disk Drive calls</para>
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| 145 | <indexterm zone="ch-system-udev edd_id">
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| 146 | <primary sortas="b-edd_id">edd_id</primary>
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| 147 | </indexterm>
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| 148 | </listitem>
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| 149 | </varlistentry>
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| 150 |
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| 151 | <varlistentry id="firmware.sh">
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| 152 | <term><command>firmware.sh</command></term>
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| 153 | <listitem>
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| 154 | <para>Script to load firmware for a device</para>
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| 155 | <indexterm zone="ch-system-udev firmware.sh">
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| 156 | <primary sortas="b-firmware.sh">firmware.sh</primary>
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| 157 | </indexterm>
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| 158 | </listitem>
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| 159 | </varlistentry>
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| 160 |
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| 161 | <varlistentry id="fstab_import">
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| 162 | <term><command>fstab_import</command></term>
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| 163 | <listitem>
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| 164 | <para>Finds an entry in <filename>/etc/fstab</filename> that matches
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| 165 | the current device, and provides its information to Udev.</para>
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| 166 | <indexterm zone="ch-system-udev fstab_import">
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| 167 | <primary sortas="b-fstab_import">fstab_import</primary>
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| 168 | </indexterm>
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| 169 | </listitem>
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| 170 | </varlistentry>
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| 171 |
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| 172 | <varlistentry id="path_id">
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| 173 | <term><command>path_id</command></term>
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| 174 | <listitem>
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| 175 | <para>Provides the shortest possible unique hardware path to a
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| 176 | device</para>
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| 177 | <indexterm zone="ch-system-udev path_id">
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| 178 | <primary sortas="b-path_id">path_id</primary>
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| 179 | </indexterm>
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| 180 | </listitem>
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| 181 | </varlistentry>
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| 182 |
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| 183 | <varlistentry id="scsi_id">
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| 184 | <term><command>scsi_id</command></term>
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| 185 | <listitem>
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| 186 | <para>Retrieves or generates a unique SCSI identifier.</para>
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| 187 | <indexterm zone="ch-system-udev scsi_id">
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| 188 | <primary sortas="b-scsi_id">scsi_id</primary>
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| 189 | </indexterm>
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| 190 | </listitem>
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| 191 | </varlistentry>
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| 192 |
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| 193 | <varlistentry id="usb_id">
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| 194 | <term><command>usb_id</command></term>
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| 195 | <listitem>
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| 196 | <para>Identifies a USB block device.</para>
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| 197 | <indexterm zone="ch-system-udev usb_id">
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| 198 | <primary sortas="b-usb_id">usb_id</primary>
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| 199 | </indexterm>
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| 200 | </listitem>
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| 201 | </varlistentry>
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| 202 |
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| 203 | <varlistentry id="v4l_id">
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| 204 | <term><command>v4l_id</command></term>
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| 205 | <listitem>
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| 206 | <para>Determines V4L capabilities for a given device.</para>
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| 207 | <indexterm zone="ch-system-udev v4l_id">
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| 208 | <primary sortas="b-v4l_id">v4l_id</primary>
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| 209 | </indexterm>
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| 210 | </listitem>
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| 211 | </varlistentry>
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| 212 |
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| 213 | <varlistentry id="write_cd_rules">
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| 214 | <term><command>write_cd_rules</command></term>
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| 215 | <listitem>
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| 216 | <para>A script which generates Eudev rules to provide stable names
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| 217 | for network interfaces.</para>
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| 218 | <indexterm zone="ch-system-udev write_cd_rules">
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| 219 | <primary sortas="b-write_cd_rules">write_cd_rules</primary>
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| 220 | </indexterm>
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| 221 | </listitem>
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| 222 | </varlistentry>
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| 223 |
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| 224 | <varlistentry id="write_net_rules">
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| 225 | <term><command>write_net_rules</command></term>
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| 226 | <listitem>
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| 227 | <para>A script which generates Eudev rules to provide stable names
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| 228 | for network interfaces.</para>
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| 229 | <indexterm zone="ch-system-udev write_net_rules">
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| 230 | <primary sortas="b-write_net_rules">write_net_rules</primary>
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| 231 | </indexterm>
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| 232 | </listitem>
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| 233 | </varlistentry>
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| 234 | <!-- End of Helpers -->
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| 235 |
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| 236 | <varlistentry id="libudev">
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| 237 | <term><filename class="libraryfile">libudev</filename></term>
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| 238 | <listitem>
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| 239 | <para>A library interface to eudev device information.</para>
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| 240 | <indexterm zone="ch-system-udev libudev">
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| 241 | <primary sortas="c-libudev">libudev</primary>
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| 242 | </indexterm>
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| 243 | </listitem>
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| 244 | </varlistentry>
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| 245 |
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| 246 | <varlistentry id="etc-udev">
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| 247 | <term><filename class="directory">/etc/udev</filename></term>
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| 248 | <listitem>
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| 249 | <para>Contains <command>udev</command> configuration files,
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| 250 | device permissions, and rules for device naming</para>
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| 251 | <indexterm zone="ch-system-udev etc-udev">
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| 252 | <primary sortas="e-/etc/udev">/etc/udev</primary>
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| 253 | </indexterm>
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| 254 | </listitem>
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| 255 | </varlistentry>
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| 256 |
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| 257 | <varlistentry id="lib-udev">
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| 258 | <term><filename class="directory">/lib/udev</filename></term>
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| 259 | <listitem>
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| 260 | <para>Contains <command>udev</command> helper programs
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| 261 | and static devices which get copied to /dev when booted.</para>
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| 262 | <indexterm zone="ch-system-udev lib-udev">
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| 263 | <primary sortas="e-/lib/udev">/lib/udev</primary>
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| 264 | </indexterm>
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| 265 | </listitem>
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| 266 | </varlistentry>
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| 267 | </variablelist>
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| 268 |
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| 269 | </sect2>
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| 270 |
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| 271 | </sect1>
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