Re: [edk2-devel] [PATCH] OvmfPkg: Update VMM Hob list check to support new resource attributes

["Yao, Jiewen" <jiewen.yao@intel.com>]

Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Lin, Du
> Sent: Thursday, May 9, 2024 1:27 PM
> To: devel@edk2.groups.io
> Cc: Lin, Du <du.lin@intel.com>; Ard Biesheuvel <ardb+tianocore@kernel.org>;
> Gerd Hoffmann <kraxel@redhat.com>; Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [edk2-devel] [PATCH] OvmfPkg: Update VMM Hob list check to support
> new resource attributes
> 
> Encrypted and Special Purpose resource attributes are introduced in
> PI 1.8 Specification. This patch is to update VMM Hob list integrity
> check to recognise these resource attributes.
> 
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Signed-off-by: Du Lin <du.lin@intel.com>
> ---
>  OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
> b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
> index b6085eab44..19e9b1bf54 100644
> --- a/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
> +++ b/OvmfPkg/IntelTdx/TdxHelperLib/SecTdxHelper.c
> @@ -643,6 +643,8 @@ ValidateHobList (
>                                                              EFI_RESOURCE_ATTRIBUTE_PERSISTABLE |
> 
> EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED |
> 
> EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE |
> +                                                            EFI_RESOURCE_ATTRIBUTE_ENCRYPTED|
> +
> EFI_RESOURCE_ATTRIBUTE_SPECIAL_PURPOSE |
> 
> EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE))) != 0)
>          {
>            DEBUG ((DEBUG_ERROR, "HOB: Unknow ResourceDescriptor
> ResourceAttribute type. Type: 0x%08x\n", Hob.ResourceDescriptor-
> >ResourceAttribute));
> --
> 2.44.0.windows.1
> 
> 
> 
> 
> 



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