[edk2-devel] [PATCH V8 00/47] Enable Intel TDX in OvmfPkg (Config-A)

[Min Xu]

On March 15, 2022 11:55 AM, Gao Liming wrote:
> Min:
>   As Jiewen mentions, EFI_RESOURCE_MEMORY_UNACCEPTED will be in next
> public spec. So, it can't be added now.
> 
>   I suggest to add edk2 definition for this type in MdeModulePkg first, such as
> EDKII_RESOURCE_MEMORY_UNACCEPTED. It can be removed after new spec is
> published.
> 
Thanks for the comments. In the patch EFI_RESOURCE_MEMORY_UNACCEPTED was defined in MdePkg/Include/Pi/PiHob.h.
I check the MdeModulePkg/Include but don't find some proper header files for this definition. 

Or can we define EFI_RESOURCE_MEMORY_UNACCEPTED in OvmfPkg/Library/PlatformInitLib/IntelTdx.c?
In current stage all the unaccepted memory passed from host VMM are all accepted in OvmfPkg/Library/PlatformInitLib/IntelTdx.c. After that these unaccepted memory hob are transferred to private memory hob. So currently EFI_RESOURCE_MEMORY_UNACCEPTED is only seen in above IntelTdx.c. 

[TDVF] Sec 7.3.1 defines the unaccepted memory resource HOB for DXE phase. But this is for the lazy-accept feature which will be implemented in the future.

What's your suggestion?

[TDVF] https://www.intel.com/content/dam/develop/external/us/en/documents/tdx-virtual-firmware-design-guide-rev-1.01.pdf

Thanks
Min


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