On 2/12/22 01:47, Tom Lendacky wrote:
Added the subject as somehow it didn't get set.

On 11/30/22 20:35, Alexey Kardashevskiy wrote:
Date: Tue, 22 Nov 2022 16:12:55 +1100
Subject: [PATCH ovmf 2/5] MdePkg: Add AMD SEV features to
  PcdConfidentialComputingGuestAttr

PcdConfidentialComputingGuestAttr so far only contained an SEV mode bit
but there are more other features which do not translate to levels
such as DebugSwap or SecureTsc.

This adds the features mask and the DebugSwap feature bit to a PCD.

Signed-off-by: Alexey Kardashevskiy <a...@amd.com>
---
  MdePkg/Include/ConfidentialComputingGuestAttr.h | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Include/ConfidentialComputingGuestAttr.h b/MdePkg/Include/ConfidentialComputingGuestAttr.h
index 44e6df800207..1fd09a51ea52 100644
--- a/MdePkg/Include/ConfidentialComputingGuestAttr.h
+++ b/MdePkg/Include/ConfidentialComputingGuestAttr.h
@@ -26,12 +26,15 @@ typedef enum {
    CCAttrAmdSev    = 0x100,
    CCAttrAmdSevEs  = 0x101,
    CCAttrAmdSevSnp = 0x102,
+  CCAttrAmdSevFeatureMask      = 0xffff0000,

The PCD for this is 64-bits, should this be 0xffffffffffff0000?

True but does not that really depend on how greedy I am? :) For now I like 16bits and leave the rest for everyone else.




--
Alexey


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