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d53285d551
It makes it easier to diagnose what the generated units actually do.
98 lines
3.6 KiB
XML
98 lines
3.6 KiB
XML
<?xml version="1.0"?>
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<!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="systemd-veritysetup@.service" conditional='HAVE_LIBCRYPTSETUP'>
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<refentryinfo>
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<title>systemd-veritysetup@.service</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-veritysetup@.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-veritysetup@.service</refname>
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<refname>systemd-veritysetup</refname>
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<refpurpose>Disk integrity protection logic</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-veritysetup@.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-veritysetup</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-veritysetup@.service</filename> is a service responsible for setting up integrity
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protection (verity) block devices. It should be instantiated for each device that requires integrity
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protection.</para>
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<para>At early boot and when the system manager configuration is reloaded kernel command line configuration for
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integrity protected block devices is translated into <filename>systemd-veritysetup@.service</filename> units by
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<citerefentry><refentrytitle>systemd-veritysetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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<para><filename>systemd-veritysetup@.service</filename> calls <command>systemd-veritysetup</command>.</para>
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</refsect1>
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<refsect1>
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<title>Commands</title>
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<para>The following commands are understood by <command>systemd-veritysetup</command>:</para>
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<variablelist>
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<varlistentry>
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<term>
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<option>attach</option>
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<replaceable>volume</replaceable>
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<replaceable>datadevice</replaceable>
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<replaceable>hashdevice</replaceable>
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<replaceable>roothash</replaceable>
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[<replaceable>option</replaceable>...]
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</term>
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<listitem><para>Create a block device <replaceable>volume</replaceable> using
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<replaceable>datadevice</replaceable> and <replaceable>hashdevice</replaceable> as the backing
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devices. <replaceable>roothash</replaceable> forms the root of the tree of hashes stored on
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<replaceable>hashdevice</replaceable>. See
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<ulink url="https://www.kernel.org/doc/html/latest/admin-guide/device-mapper/verity.html">
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Kernel dm-verity</ulink> documentation for details.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>detach</option>
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<replaceable>volume</replaceable>
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</term>
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<listitem><para>Detach (destroy) the block device
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<replaceable>volume</replaceable>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>help</option>
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</term>
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<listitem><para>Print short information about command syntax.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-veritysetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry project='die-net'><refentrytitle>veritysetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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