[bf8c11f] | 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 | <sect2 role="package"> |
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| 18 | <title/> |
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| 19 | |
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| 20 | <para>The Udev 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 Udev</title> |
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| 27 | |
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[e6423a01] | 28 | <para os="a">Compile the package:</para> |
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[bf8c11f] | 29 | |
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[761ad5b] | 30 | <screen os="b"><userinput>make EXTRAS="extras/floppy extras/cdrom_id extras/firmware \ |
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[f4ee561] | 31 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id \ |
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| 32 | extras/edd_id extras/dasd_id extras/path_id" udevdir=/dev</userinput></screen> |
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[bf8c11f] | 33 | |
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[e6423a01] | 34 | <variablelist os="c"> |
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[bf8c11f] | 35 | <title>The meaning of the make parameter:</title> |
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| 36 | |
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| 37 | <varlistentry> |
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[761ad5b] | 38 | <term><parameter>EXTRAS="extras/floppy extras/cdrom_id extras/firmware |
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| 39 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id extras/edd_id |
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| 40 | extras/dasd_id extras/path_id"</parameter></term> |
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[bf8c11f] | 41 | <listitem> |
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[5bfb9cf] | 42 | <para>This builds the helper applications that are used with |
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| 43 | udev. The helper programs assist in correct handling of devices.</para> |
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[bf8c11f] | 44 | </listitem> |
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| 45 | </varlistentry> |
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| 46 | |
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| 47 | </variablelist> |
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| 48 | |
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[2f551f6] | 49 | <para os="d">If you want to run the testsuite, you need to change |
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| 50 | a hardcoded reference to the <command>test</command> |
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| 51 | program:</para> |
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| 52 | |
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[6eb4900] | 53 | <screen os="e"><userinput>sed -i 's@/usr/bin/test@/bin/test@' test/udev-test.pl</userinput></screen> |
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[2f551f6] | 54 | |
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| 55 | <para os="f">To test the results, issue: |
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[bf8c11f] | 56 | <userinput>make test</userinput>.</para> |
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| 57 | |
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[2f551f6] | 58 | <para os="g">Install the package:</para> |
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[bf8c11f] | 59 | |
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[c4efa05] | 60 | <screen os="h"><userinput>make DESTDIR=/ \ |
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[f4ee561] | 61 | EXTRAS="extras/floppy extras/cdrom_id extras/firmware \ |
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| 62 | extras/scsi_id extras/volume_id extras/ata_id extras/usb_id \ |
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| 63 | extras/edd_id extras/dasd_id extras/path_id" udevdir=/dev install</userinput></screen> |
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[bf8c11f] | 64 | |
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[2f551f6] | 65 | <variablelist os="i"> |
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[9090bd7] | 66 | <title>The meaning of the make parameter:</title> |
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| 67 | |
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| 68 | <varlistentry> |
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| 69 | <term><parameter>DESTDIR=/</parameter></term> |
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| 70 | <listitem> |
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| 71 | <para>This prevents the Udev build process from killing any |
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| 72 | <command>udevd</command> processes that may be running on the |
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| 73 | system.</para> |
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| 74 | </listitem> |
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| 75 | </varlistentry> |
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| 76 | |
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| 77 | </variablelist> |
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[e6423a01] | 78 | |
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[c4efa05] | 79 | <para os="i">Install necessary helpers.</para> |
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[bf8c11f] | 80 | |
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[c8cb929] | 81 | <screen os="j"><userinput>install -v extras/eventrecorder.sh /lib/udev</userinput></screen> |
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[bf8c11f] | 82 | |
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[2f551f6] | 83 | <para os="l">Install the documentation that explains how to create |
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[bf8c11f] | 84 | Udev rules:</para> |
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| 85 | |
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[761ad5b] | 86 | <screen os="m"><userinput>install -v -m644 -D docs/writing_udev_rules/index.html \ |
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| 87 | /usr/share/doc/udev-&udev-version;/index.html</userinput></screen> |
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[bf8c11f] | 88 | |
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[5bfb9cf] | 89 | <para os="n">Create a directory for storing firmware that can be |
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| 90 | loaded by <command>udev</command>:</para> |
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| 91 | |
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| 92 | <screen os="o"><userinput>install -dv /lib/firmware</userinput></screen> |
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| 93 | |
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[bf8c11f] | 94 | </sect2> |
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| 95 | |
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| 96 | <sect2 id="contents-udev" role="content"> |
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| 97 | <title>Contents of Udev</title> |
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| 98 | |
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| 99 | <segmentedlist> |
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| 100 | <segtitle>Installed programs</segtitle> |
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| 101 | <segtitle>Installed directory</segtitle> |
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| 102 | |
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| 103 | <seglistitem> |
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[c4efa05] | 104 | <seg>udevcontrol, udevd, udevinfo, udevmonitor, udevsend, |
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[f3f0ec6] | 105 | udevtest, and udevtrigger</seg> |
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[bf8c11f] | 106 | <seg>/etc/udev</seg> |
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| 107 | </seglistitem> |
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| 108 | </segmentedlist> |
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| 109 | |
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| 110 | <variablelist> |
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| 111 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 112 | <?dbfo list-presentation="list"?> |
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| 113 | <?dbhtml list-presentation="table"?> |
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| 114 | |
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| 115 | <varlistentry id="udevcontrol"> |
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| 116 | <term><command>udevcontrol</command></term> |
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| 117 | <listitem> |
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| 118 | <para>Configures a number of options for the running |
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| 119 | <command>udevd</command> daemon, such as the log level.</para> |
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| 120 | <indexterm zone="ch-system-udev udevcontrol"> |
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| 121 | <primary sortas="b-udevcontrol">udevcontrol</primary> |
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| 122 | </indexterm> |
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| 123 | </listitem> |
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| 124 | </varlistentry> |
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| 125 | |
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| 126 | <varlistentry id="udevd"> |
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| 127 | <term><command>udevd</command></term> |
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| 128 | <listitem> |
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| 129 | <para>A daemon that reorders hotplug events before submitting them to |
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| 130 | <command>udev</command>, |
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| 131 | thus avoiding various race conditions</para> |
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| 132 | <indexterm zone="ch-system-udev udevd"> |
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| 133 | <primary sortas="b-udevd">udevd</primary> |
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| 134 | </indexterm> |
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| 135 | </listitem> |
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| 136 | </varlistentry> |
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| 137 | |
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| 138 | <varlistentry id="udevinfo"> |
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| 139 | <term><command>udevinfo</command></term> |
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| 140 | <listitem> |
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| 141 | <para>Allows users to query the <command>udev</command> database for |
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| 142 | information on any device currently present on the system; it also |
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| 143 | provides a way to query any device in the <systemitem |
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| 144 | class="filesystem">sysfs</systemitem> tree to help create udev |
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| 145 | rules</para> |
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| 146 | <indexterm zone="ch-system-udev udevinfo"> |
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| 147 | <primary sortas="b-udevinfo">udevinfo</primary> |
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| 148 | </indexterm> |
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| 149 | </listitem> |
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| 150 | </varlistentry> |
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| 151 | |
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| 152 | <varlistentry id="udevmonitor"> |
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| 153 | <term><command>udevmonitor</command></term> |
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| 154 | <listitem> |
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| 155 | <para>Prints the event received from the kernel and the event which |
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| 156 | <command>udev</command> sends out after rule processing</para> |
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| 157 | <indexterm zone="ch-system-udev udevmonitor"> |
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| 158 | <primary sortas="b-udevmonitor">udevmonitor</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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[b9313f3] | 163 | <varlistentry id="udevsettle"> |
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| 164 | <term><command>udevsettle</command></term> |
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| 165 | <listitem> |
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| 166 | <para>Watches the Udev event queue and exits if all current uevents |
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| 167 | have been handled</para> |
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| 168 | <indexterm zone="ch-system-udev udevsettle"> |
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| 169 | <primary sortas="b-udevsettle">udevsettle</primary> |
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| 170 | </indexterm> |
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| 171 | </listitem> |
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| 172 | </varlistentry> |
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| 173 | |
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[c4efa05] | 174 | <varlistentry id="udevtest"> |
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| 175 | <term><command>udevtest</command></term> |
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[bf8c11f] | 176 | <listitem> |
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[c4efa05] | 177 | <para>Simulates a <command>udev</command> run for the given device, |
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| 178 | and prints out the name of the node the real <command>udev</command> |
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| 179 | would have created or (not in LFS) the name of the renamed network |
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| 180 | interface</para> |
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| 181 | <indexterm zone="ch-system-udev udevtest"> |
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| 182 | <primary sortas="b-udevtest">udevtest</primary> |
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[bf8c11f] | 183 | </indexterm> |
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| 184 | </listitem> |
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| 185 | </varlistentry> |
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| 186 | |
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[f3f0ec6] | 187 | <varlistentry id="udevtrigger"> |
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| 188 | <term><command>udevtrigger</command></term> |
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| 189 | <listitem> |
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| 190 | <para>Walks the sysfs tree for devices that need to be added to the |
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| 191 | system.</para> |
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| 192 | <indexterm zone="ch-system-udev udevtrigger"> |
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| 193 | <primary sortas="b-udevtrigger">udevtrigger</primary> |
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| 194 | </indexterm> |
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| 195 | </listitem> |
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| 196 | </varlistentry> |
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| 197 | |
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[b9313f3] | 198 | <varlistentry id="ata_id"> |
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| 199 | <term><command>ata_id</command></term> |
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| 200 | <listitem> |
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| 201 | <para>Provides Udev with a unique string and additional |
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| 202 | information (uuid, label) for an ATA drive</para> |
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| 203 | <indexterm zone="ch-system-udev ata_id"> |
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| 204 | <primary sortas="b-ata_id">ata_id</primary> |
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| 205 | </indexterm> |
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| 206 | </listitem> |
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| 207 | </varlistentry> |
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| 208 | |
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[c4efa05] | 209 | <varlistentry id="cdrom_id"> |
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| 210 | <term><command>cdrom_id</command></term> |
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[bf8c11f] | 211 | <listitem> |
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[c4efa05] | 212 | <para>To be written</para> |
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| 213 | <indexterm zone="ch-system-udev cdrom_id"> |
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| 214 | <primary sortas="b-cdrom_id">cdrom_id</primary> |
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[bf8c11f] | 215 | </indexterm> |
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| 216 | </listitem> |
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| 217 | </varlistentry> |
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| 218 | |
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[b9313f3] | 219 | <varlistentry id="create_floppy_devices"> |
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| 220 | <term><command>create_floppy_devices</command></term> |
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| 221 | <listitem> |
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| 222 | <para>Creates all possible floppy devices based on the CMOS type</para> |
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| 223 | <indexterm zone="ch-system-udev create_floppy_devices"> |
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| 224 | <primary sortas="b-create_floppy_devices">create_floppy_devices</primary> |
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| 225 | </indexterm> |
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| 226 | </listitem> |
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| 227 | </varlistentry> |
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| 228 | |
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| 229 | <varlistentry id="firmware.sh"> |
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[e8ddf06] | 230 | <term><command>firmware.sh</command></term> |
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[bf8c11f] | 231 | <listitem> |
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[c4efa05] | 232 | <para>To be written</para> |
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[b9313f3] | 233 | <indexterm zone="ch-system-udev firmware.sh"> |
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| 234 | <primary sortas="b-firmware.sh">firmware.sh</primary> |
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[c4efa05] | 235 | </indexterm> |
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| 236 | </listitem> |
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| 237 | </varlistentry> |
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| 238 | |
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[b9313f3] | 239 | <varlistentry id="path_id"> |
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| 240 | <term><command>path_id</command></term> |
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[c4efa05] | 241 | <listitem> |
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[b9313f3] | 242 | <para>Provide the shortest possible unique hardware path to a |
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| 243 | device</para> |
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| 244 | <indexterm zone="ch-system-udev path_id"> |
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| 245 | <primary sortas="b-path_id">path_id</primary> |
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[c4efa05] | 246 | </indexterm> |
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| 247 | </listitem> |
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| 248 | </varlistentry> |
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| 249 | |
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[b9313f3] | 250 | <varlistentry id="scsi_id"> |
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| 251 | <term><command>scsi_id</command></term> |
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[c4efa05] | 252 | <listitem> |
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| 253 | <para>To be written</para> |
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[b9313f3] | 254 | <indexterm zone="ch-system-udev scsi_id"> |
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| 255 | <primary sortas="b-scsi_id">scsi_id</primary> |
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[c4efa05] | 256 | </indexterm> |
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| 257 | </listitem> |
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| 258 | </varlistentry> |
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| 259 | |
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[b9313f3] | 260 | <varlistentry id="vol_id"> |
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| 261 | <term><command>vol_id</command></term> |
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[c4efa05] | 262 | <listitem> |
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| 263 | <para>To be written</para> |
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[b9313f3] | 264 | <indexterm zone="ch-system-udev vol_id"> |
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| 265 | <primary sortas="b-vol_id">vol_id</primary> |
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[c4efa05] | 266 | </indexterm> |
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| 267 | </listitem> |
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| 268 | </varlistentry> |
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| 269 | |
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| 270 | <varlistentry id="usb_id"> |
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| 271 | <term><command>usb_id</command></term> |
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| 272 | <listitem> |
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| 273 | <para>To be written</para> |
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| 274 | <indexterm zone="ch-system-udev usb_id"> |
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| 275 | <primary sortas="b-usb_id">usb_id</primary> |
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| 276 | </indexterm> |
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| 277 | </listitem> |
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| 278 | </varlistentry> |
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| 279 | |
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| 280 | <varlistentry id="edd_id"> |
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| 281 | <term><command>edd_id</command></term> |
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| 282 | <listitem> |
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| 283 | <para>To be written</para> |
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| 284 | <indexterm zone="ch-system-udev edd_id"> |
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| 285 | <primary sortas="b-edd_id">edd_id</primary> |
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| 286 | </indexterm> |
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| 287 | </listitem> |
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| 288 | </varlistentry> |
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| 289 | |
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| 290 | <varlistentry id="dasd_id"> |
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| 291 | <term><command>dasd_id</command></term> |
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| 292 | <listitem> |
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| 293 | <para>To be written</para> |
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| 294 | <indexterm zone="ch-system-udev dasd_id"> |
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| 295 | <primary sortas="b-dasd_id">dasd_id</primary> |
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[bf8c11f] | 296 | </indexterm> |
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| 297 | </listitem> |
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| 298 | </varlistentry> |
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| 299 | |
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| 300 | <varlistentry id="etc-udev"> |
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| 301 | <term><filename class="directory">/etc/udev</filename></term> |
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| 302 | <listitem> |
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| 303 | <para>Contains <command>udev</command> configuation files, |
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| 304 | device permissions, and rules for device naming</para> |
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| 305 | <indexterm zone="ch-system-udev etc-udev"> |
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| 306 | <primary sortas="e-/etc/udev">/etc/udev</primary> |
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| 307 | </indexterm> |
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| 308 | </listitem> |
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| 309 | </varlistentry> |
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| 310 | |
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[c4efa05] | 311 | <varlistentry id="lib-udev"> |
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| 312 | <term><filename class="directory">/lib/udev</filename></term> |
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| 313 | <listitem> |
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| 314 | <para>Contains <command>udev</command> helper programs |
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| 315 | and static devices which get copied to /dev when booted.</para> |
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| 316 | <indexterm zone="ch-system-udev lib-udev"> |
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| 317 | <primary sortas="e-/lib/udev">/lib/udev</primary> |
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| 318 | </indexterm> |
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| 319 | </listitem> |
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| 320 | </varlistentry> |
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[bf8c11f] | 321 | </variablelist> |
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| 322 | |
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| 323 | </sect2> |
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| 324 | |
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| 325 | </sect1> |
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