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From: | Eric Blake |
Subject: | Re: [Qemu-devel] [PATCH v7 26/26] qmp: add query-sev-launch-measure command |
Date: | Wed, 7 Feb 2018 10:29:59 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 02/07/2018 10:06 AM, Brijesh Singh wrote:
The command can be used by libvirt to retrieve the measurement of SEV guest. This measurement is a signature of the memory contents that was encrypted through the LAUNCH_UPDATE_DATA. Cc: "Daniel P. Berrangé" <address@hidden> Cc: "Dr. David Alan Gilbert" <address@hidden> Cc: Markus Armbruster <address@hidden> Signed-off-by: Brijesh Singh <address@hidden> --- qapi-schema.json | 30 ++++++++++++++++++++++++++++++ qmp.c | 14 ++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/qapi-schema.json b/qapi-schema.json index 447ebb15266e..19331bff8883 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -3236,3 +3236,33 @@ # ## { 'command': 'query-sev', 'returns': 'SevInfo' } + +## +# @SevLaunchMeasureInfo: +# +# SEV Guest Launch measurement information +# +# @data: the measurement value encoded in base64 +# +# Since: 2.12 +# +# Notes: If measurement is not available then a null measurement is returned.
Null measurement, as in empty string? Would it be better to have query-sev-launch-measure return an error instead of an SevLaunchMeasureInfo with a null measurement in that case?
+## +{ 'struct': 'SevLaunchMeasureInfo', 'data': {'data': 'str'} } + +## +# @query-sev-launch-measure: +# +# Query the SEV guest launch information. +# +# Returns: The @SevLaunchMeasureInfo for the guest +# +# Since: 2.12 +# +# Example: +# +# -> { "execute": "query-sev-launch-measure" } +# <- { "return": { "data": "4l8LXeNlSPUDlXPJG5966/8%YZ" } } +#
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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