- <refsect2><title>udevadm info <replaceable>options</replaceable></title>
- <para>Queries the udev database for device information
- stored in the udev database. It can also query the properties
- of a device from its sysfs representation to help creating udev
- rules that match this device.</para>
- <variablelist>
- <varlistentry>
- <term><option>--query=<replaceable>type</replaceable></option></term>
- <listitem>
- <para>Query the database for specified type of device data. It needs the
- <option>--path</option> or <option>--name</option> to identify the specified
- device. Valid queries are:
- <command>name</command>, <command>symlink</command>, <command>path</command>,
- <command>env</command>, <command>all</command>.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--path=<replaceable>devpath</replaceable></option></term>
- <listitem>
- <para>The devpath of the device to query.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--name=<replaceable>file</replaceable></option></term>
- <listitem>
- <para>The name of the device node or a symlink to query</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--root</option></term>
- <listitem>
- <para>The udev root directory: <filename>/dev</filename>. If used in conjunction
- with a <command>name</command> or <command>symlink</command> query, the
- query returns the absolute path including the root directory.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--attribute-walk</option></term>
- <listitem>
- <para>Print all sysfs properties of the specified device that can be used
- in udev rules to match the specified device. It prints all devices
- along the chain, up to the root of sysfs that can be used in udev rules.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--device-id-of-file=<replaceable>file</replaceable></option></term>
- <listitem>
- <para>Print major/minor numbers of the underlying device, where the file
- lives on.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--export-db</option></term>
- <listitem>
- <para>Export the content of the udev database.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--version</option></term>
- <listitem>
- <para>Print version.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><option>--help</option></term>
- <listitem>
- <para>Print help text.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect2>
+ <refsect2><title>udevadm info <replaceable>options</replaceable></title>
+ <para>Queries the udev database for device information
+ stored in the udev database. It can also query the properties
+ of a device from its sysfs representation to help creating udev
+ rules that match this device.</para>
+ <variablelist>
+ <varlistentry>
+ <term><option>--query=<replaceable>type</replaceable></option></term>
+ <listitem>
+ <para>Query the database for specified type of device data. It needs the
+ <option>--path</option> or <option>--name</option> to identify the specified
+ device. Valid queries are:
+ <command>name</command>, <command>symlink</command>, <command>path</command>,
+ <command>property</command>, <command>all</command>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--path=<replaceable>devpath</replaceable></option></term>
+ <listitem>
+ <para>The devpath of the device to query.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--name=<replaceable>file</replaceable></option></term>
+ <listitem>
+ <para>The name of the device node or a symlink to query</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--root</option></term>
+ <listitem>
+ <para>The udev root directory: <filename>/dev</filename>. If used in conjunction
+ with a <command>name</command> or <command>symlink</command> query, the
+ query returns the absolute path including the root directory.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--attribute-walk</option></term>
+ <listitem>
+ <para>Print all sysfs properties of the specified device that can be used
+ in udev rules to match the specified device. It prints all devices
+ along the chain, up to the root of sysfs that can be used in udev rules.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--export</option></term>
+ <listitem>
+ <para>Print output as key/value pairs. Values are enclosed in single quotes.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--export-prefix=<replaceable>name</replaceable></option></term>
+ <listitem>
+ <para>Add a prefix to the key name of exported values.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--device-id-of-file=<replaceable>file</replaceable></option></term>
+ <listitem>
+ <para>Print major/minor numbers of the underlying device, where the file
+ lives on.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--export-db</option></term>
+ <listitem>
+ <para>Export the content of the udev database.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--convert-db</option></term>
+ <listitem>
+ <para>Convert the database of an earlier udev version to the current format. This
+ is only useful on udev version upgrades, where the content of the old database might
+ be needed for the running system, and it is not sufficient for it, to be re-created
+ with the next bootup.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--version</option></term>
+ <listitem>
+ <para>Print version.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>--help</option></term>
+ <listitem>
+ <para>Print help text.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>