From 57162cb62dc0f5d9aca31a035b96c5ac203b78ee Mon Sep 17 00:00:00 2001
From: Sebastien Boeuf <sebastien.boeuf@intel.com>
Date: Thu, 15 Dec 2022 23:10:03 +0800
Subject: [PATCH] OvmfPkg/PlatformInitLib: Transfer GUID Extension HOB

This is required for passing the ACPI tables from the VMM up to the
guest OS. They are transferred through this GUID extension.

Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Reviewed-by: Min Xu <min.m.xu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
 OvmfPkg/Library/PlatformInitLib/IntelTdx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/OvmfPkg/Library/PlatformInitLib/IntelTdx.c b/OvmfPkg/Library/PlatformInitLib/IntelTdx.c
index acd114e38e..55ca3ecaa1 100644
--- a/OvmfPkg/Library/PlatformInitLib/IntelTdx.c
+++ b/OvmfPkg/Library/PlatformInitLib/IntelTdx.c
@@ -547,6 +547,7 @@ TransferTdxHobList (
   EFI_PEI_HOB_POINTERS         Hob;
   EFI_RESOURCE_TYPE            ResourceType;
   EFI_RESOURCE_ATTRIBUTE_TYPE  ResourceAttribute;
+  VOID                         *GuidedData;
 
   //
   // PcdOvmfSecGhcbBase is used as the TD_HOB in Tdx guest.
@@ -577,6 +578,10 @@ TransferTdxHobList (
           Hob.MemoryAllocation->AllocDescriptor.MemoryType
           );
         break;
+      case EFI_HOB_TYPE_GUID_EXTENSION:
+        GuidedData = (VOID *)(&Hob.Guid->Name + 1);
+        BuildGuidDataHob (&Hob.Guid->Name, GuidedData, Hob.Guid->Header.HobLength - sizeof (EFI_HOB_GUID_TYPE));
+        break;
     }
 
     Hob.Raw = GET_NEXT_HOB (Hob);