Re: [PATCH v10 20/32] UefiCpuPkg: Define ConfidentialComputingGuestAttr

Gerd Hoffmann

On Tue, Oct 19, 2021 at 02:39:22PM -0500, Brijesh Singh wrote:

While initializing APs, the MpInitLib may need to know whether the
guest is running with active AMD SEV or Intel TDX memory encryption.

Add a new ConfidentialComputingGuestAttr PCD that can be used to query
the memory encryption attribute.

Cc: Michael Roth <>
Cc: Ray Ni <>
Cc: Rahul Kumar <>
Cc: Eric Dong <>
Cc: James Bottomley <>
Cc: Min Xu <>
Cc: Jiewen Yao <>
Cc: Tom Lendacky <>
Cc: Jordan Justen <>
Cc: Ard Biesheuvel <>
Cc: Erdem Aktas <>
Cc: Gerd Hoffmann <>
Suggested-by: Jiewen Yao <>
Signed-off-by: Brijesh Singh <>
MdePkg/MdePkg.dec | 4 +++
.../Include/ConfidentialComputingGuestAttr.h | 25 +++++++++++++++++++
Acked-by: Gerd Hoffmann <>

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