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75 lines
2.7 KiB
75 lines
2.7 KiB
From 11992ca0dbeb077dbf4c033fe8a19a1ef19d7e57 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Fri, 2 Aug 2024 13:17:56 +0100
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Subject: [PATCH] man/systemd-detect-virt: list known CVM technologies
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add a section which lists the known confidential virtual machine
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technologies.
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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(cherry picked from commit a8fb5d21fd6127a6d05757c793cc9ba47f65c893)
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Related: RHEL-50651
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---
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man/systemd-detect-virt.xml | 44 +++++++++++++++++++++++++++++++++++++
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1 file changed, 44 insertions(+)
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diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
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index 5aaff839a4..428c5a86fa 100644
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--- a/man/systemd-detect-virt.xml
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+++ b/man/systemd-detect-virt.xml
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@@ -207,6 +207,50 @@
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WSL is categorized as a container for practical purposes.
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Multiple WSL environments share the same kernel and services
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should generally behave like when being run in a container.</para>
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+
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+ <para>When executed with <option>--cvm</option>, instead of
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+ printing the virtualization technology, it will display the
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+ confidential virtual machine technology, if any. The
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+ following technologies are currently identified:</para>
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+
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+ <table>
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+ <title>Known confidential virtualization technologies</title>
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+ <tgroup cols='2' align='left' colsep='1' rowsep='1'>
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+ <colspec colname="id" />
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+ <colspec colname="product" />
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+ <thead>
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+ <row>
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+ <entry>Arch</entry>
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+ <entry>ID</entry>
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+ <entry>Technology</entry>
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+ </row>
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+ </thead>
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+ <tbody>
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+ <row>
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+ <entry valign="top" morerows="3">x86_64</entry>
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+ <entry><varname>sev</varname></entry>
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+ <entry>AMD Secure Encrypted Virtualization</entry>
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+ </row>
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+ <row>
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+ <entry><varname>sev-es</varname></entry>
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+ <entry>AMD Secure Encrypted Virtualization - Encrypted State</entry>
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+ </row>
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+ <row>
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+ <entry><varname>sev-snp</varname></entry>
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+ <entry>AMD Secure Encrypted Virtualization - Secure Nested Paging</entry>
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+ </row>
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+ <row>
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+ <entry><varname>tdx</varname></entry>
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+ <entry>Intel Trust Domain Extensions</entry>
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+ </row>
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+ <row>
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+ <entry>s390x</entry>
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+ <entry><varname>protvirt</varname></entry>
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+ <entry>IBM Protected Virtualization (Secure Execution)</entry>
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+ </row>
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+ </tbody>
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+ </tgroup>
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+ </table>
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</refsect1>
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<refsect1>
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