[PATCH v6 6/6] sev/i386: Enable an SEV-ES guest based on SEV policy

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From: Tom Lendacky <thomas.lendacky@xxxxxxx>

Update the sev_es_enabled() function return value to be based on the SEV
policy that has been specified. SEV-ES is enabled if SEV is enabled and
the SEV-ES policy bit is set in the policy object.

Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Richard Henderson <richard.henderson@xxxxxxxxxx>
Cc: Eduardo Habkost <ehabkost@xxxxxxxxxx>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>
Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
---
 target/i386/sev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/sev.c b/target/i386/sev.c
index badc141554..62ecc28cf6 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -371,7 +371,7 @@ sev_enabled(void)
 bool
 sev_es_enabled(void)
 {
-    return false;
+    return sev_enabled() && (sev_guest->policy & SEV_POLICY_ES);
 }
 
 uint64_t
-- 
2.30.0




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