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132 lines
4.4 KiB
XML
132 lines
4.4 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<article>
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<articleinfo>
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<title>xmlto</title>
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<author>
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<firstname>Kay</firstname>
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<surname>Sievers</surname>
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<email>kay.sievers@vrfy.org</email>
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</author>
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<copyright>
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<year>2005</year>
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<holder>Kay Sievers</holder>
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</copyright>
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</articleinfo>
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<section>
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<title>udevinfo</title>
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<refentry>
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<refentryinfo>
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<title>udevinfo</title>
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<date>August 2005</date>
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<productname>udev</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>udevinfo</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>udevinfo</refname><refpurpose>query device information from the udev database</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>udevinfo</command>
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<arg><option>-q <replaceable>query-type</replaceable></option></arg>
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<arg><option>-a </option></arg>
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<arg><option>-p <replaceable>device-path</replaceable></option></arg>
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<arg><option>-n <replaceable>node-name</replaceable></option></arg>
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<arg><option>-r</option></arg>
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<arg><option>-e</option></arg>
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<arg><option>-V</option></arg>
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<arg><option>-h</option></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1><title>DESCRIPTION</title>
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<para>udevinfo queries the udev database for device information
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stored in the udev database. It can also query the properties
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of a device from its sysfs representation to help creating udev
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rules that match this device.</para>
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</refsect1>
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<refsect1><title>OPTIONS</title>
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<variablelist>
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<varlistentry>
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<term><option>-q</option></term>
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<listitem>
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<para>Query the database for specified type of device data. It needs the
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<option>-p</option> or <option>-n</option> to identify the specified
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device. Valid queries are:
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<command>name</command>, <command>symlink</command>, <command>path</command>,
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<command>env</command>, <command>all</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-a</option></term>
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<listitem>
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<para>Print all sysfs properties of the specified device that can be used
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in udev rules to match the specified device. It prints all devices
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along the chain, up to the root of sysfs that can be used in udev rules.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-p <replaceable>device-path</replaceable></option></term>
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<listitem>
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<para>The sysfs path of the device to query.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-n <replaceable>node-name</replaceable></option></term>
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<listitem>
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<para>The name of the device node or a symlink to query</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-r</option></term>
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<listitem>
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<para>The udev root directory: <filename>/dev</filename>. If used in conjunction
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with a <command>name</command> or <command>symlink</command> query, the
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query returns the absolute path.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-e</option></term>
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<listitem>
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<para>Export the content of the udev database.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-h</option></term>
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<listitem>
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<para>Print help text.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1><title>AUTHOR</title>
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<para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para>
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</refsect1>
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<refsect1>
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<title>SEE ALSO</title>
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<para><citerefentry>
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<refentrytitle>udev</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry></para>
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</refsect1>
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</refentry>
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</section>
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</article>
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