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sev/i386: add sev_get_capabilities()

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The function can be used to get the current SEV capabilities.
The capabilities include platform diffie-hellman key (pdh) and certificate
chain. The key can be provided to the external entities which wants to
establish a trusted channel between SEV firmware and guest owner.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Brijesh Singh 2018-03-08 06:49:00 -06:00 • committed by Paolo Bonzini
parent 31dd67f684
commit 9f75079498
4 changed files with 98 additions and 2 deletions
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11
target/i386/monitor.c
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@ -717,6 +717,13 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp)
SevCapability *qmp_query_sev_capabilities(Error **errp)
{
error_setg(errp, "SEV feature is not available");
return NULL;
SevCapability *data;
data = sev_get_capabilities();
if (!data) {
error_setg(errp, "SEV feature is not available");
return NULL;
}
return data;
}