diff mbox series

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

Message ID c69f81c6029f31fc4c52a9f35f1bd704362476a5.1611682609.git.thomas.lendacky@amd.com (mailing list archive)
State New, archived
Headers show
Series Qemu SEV-ES guest support | expand

Commit Message

Tom Lendacky Jan. 26, 2021, 5:36 p.m. UTC 
From: Tom Lendacky <thomas.lendacky@amd.com>

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

Comments

Venu Busireddy Jan. 29, 2021, 5:46 p.m. UTC | #1 
On 2021-01-26 11:36:49 -0600, Tom Lendacky wrote:
> From: Tom Lendacky <thomas.lendacky@amd.com>
> 
> 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@redhat.com>
> Cc: Richard Henderson <richard.henderson@linaro.org>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>

Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>

> ---
>  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
>
diff mbox series

Patch

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