[edk2-devel] [PATCH V2 0/3] Introduce TdProtocol into EDK2

[Min Xu]

On October 12, 2021 11:27 PM, Sami Mujawar wrote:
> Hi Min,
> 
> Thank you for this patch.
> 
> I think it would greatly help if the EFI_TD_PROTOCOL is changed to something
> more architecture neutral. As I understand, this patch series is removing the
> dependency on TPM for measurement and is instead providing a lightweight
> interface for extending measurements for Confidential Compute Architecture
> (CCA) guests.
> 
> Considering this, it would be good to generalise EFI_TD_PROTOCOL as a
> Confidential Compute Architecture Measurement (CCAM) protocol.
> In fact, your v2 series demonstrates this need with the introduction of
> MEASURE_BOOT_PROTOCOLS in "[PATCH V2 2/3] SecurityPkg: Support
> TdProtocol in DxeTpm2MeasureBootLib
> [https://edk2.groups.io/g/devel/message/81651]".
> 
> As it stands, I feel most of the code can be reused/common.  Some interfaces
> may need to use an architecture specific library, and some configuration
> options would need to be defined using PCDs.
> 
> Kindly let me know your thoughts.
> 
Thanks for your comments.  Let me first discuss your feedback with our architecture. We will reply to your proposal a bit later.

Thanks.
Min


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