From 19f7c63ea978c5a4ef9345b9bf4995dcd48fa328 Mon Sep 17 00:00:00 2001
From: Min M Xu <min.m.xu@intel.com>
Date: Wed, 14 Dec 2022 15:14:17 +0800
Subject: [PATCH] OvmfPkg/TdTcg2Dxe: Fix incorrect protocol and structure
 version

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4184

According to the Uefi spec 2.10 Section 38.2.2.
EFI_CC_MEASUREMENT_PROTOCOL.GetCapability, the minor version of
StructureVersion and ProtocolVersion should be 0.

Cc: Erdem Aktas <erdemaktas@google.com> [ruleof2]
Cc: James Bottomley <jejb@linux.ibm.com> [jejb]
Cc: Jiewen Yao <jiewen.yao@intel.com> [jyao1]
Cc: Tom Lendacky <thomas.lendacky@amd.com> [tlendacky]
Cc: Arti Gupta <ARGU@microsoft.com>
Reported-by: Arti Gupta <ARGU@microsoft.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
 OvmfPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/OvmfPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c b/OvmfPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c
index e9315ecda1..a6b4f8e0aa 100644
--- a/OvmfPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c
+++ b/OvmfPkg/IntelTdx/TdTcg2Dxe/TdTcg2Dxe.c
@@ -2411,9 +2411,9 @@ DriverEntry (
 
   mTdxDxeData.BsCap.Size                   = sizeof (EFI_CC_BOOT_SERVICE_CAPABILITY);
   mTdxDxeData.BsCap.ProtocolVersion.Major  = 1;
-  mTdxDxeData.BsCap.ProtocolVersion.Minor  = 1;
+  mTdxDxeData.BsCap.ProtocolVersion.Minor  = 0;
   mTdxDxeData.BsCap.StructureVersion.Major = 1;
-  mTdxDxeData.BsCap.StructureVersion.Minor = 1;
+  mTdxDxeData.BsCap.StructureVersion.Minor = 0;
 
   //
   // Get supported PCR and current Active PCRs