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udev: add 'conf-virt' constant for confidential virtualization tech

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Related: https://github.com/systemd/systemd/issues/27604
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2023-07-03 10:24:30 +01:00 committed by Luca Boccassi
parent 0895124572
commit 6e2e83b487
2 changed files with 11 additions and 0 deletions
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8
man/udev.xml
View file

@ -279,6 +279,14 @@
for possible values.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>cvm</literal></term>
<listitem>
<para>System's confidential virtualization technology. See
<citerefentry><refentrytitle>systemd-detect-virt</refentrytitle><manvolnum>1</manvolnum></citerefentry>
for possible values.</para>
</listitem>
</varlistentry>
</variablelist>
<para>Unknown keys will never match.</para>
</listitem>

3
src/udev/udev-rules.c
View file

@ -6,6 +6,7 @@
#include "architecture.h"
#include "conf-files.h"
#include "conf-parser.h"
#include "confidential-virt.h"
#include "constants.h"
#include "device-private.h"
#include "device-util.h"
@ -1920,6 +1921,8 @@ static int udev_rule_apply_token_to_event(
val = architecture_to_string(uname_architecture());
else if (streq(k, "virt"))
val = virtualization_to_string(detect_virtualization());
else if (streq(k, "cvm"))
val = confidential_virtualization_to_string(detect_confidential_virtualization());
else
assert_not_reached();
return token_match_string(token, val);