From d983b102b35899d8ff37477657c67af819aa6303 Mon Sep 17 00:00:00 2001
From: Min Xu <min.m.xu@intel.com>
Date: Mon, 25 Oct 2021 15:12:27 +0800
Subject: [PATCH] MdePkg: Add macro to check SEV / TDX guest

RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429

Add macros CC_GUEST_IS_SEV / CC_GUEST_IS_TDX to check SEV / TDX guest.

Cc: Michael Roth <michael.roth@amd.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
 MdePkg/Include/ConfidentialComputingGuestAttr.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MdePkg/Include/ConfidentialComputingGuestAttr.h b/MdePkg/Include/ConfidentialComputingGuestAttr.h
index 6a13018015..dd2541c6dc 100644
--- a/MdePkg/Include/ConfidentialComputingGuestAttr.h
+++ b/MdePkg/Include/ConfidentialComputingGuestAttr.h
@@ -22,4 +22,7 @@ typedef enum {
   CCAttrIntelTdx = 0x200,
 } CONFIDENTIAL_COMPUTING_GUEST_ATTR;
 
+#define CC_GUEST_IS_TDX(x)  ((x) == CCAttrIntelTdx)
+#define CC_GUEST_IS_SEV(x)  ((x) == CCAttrAmdSev || (x) == CCAttrAmdSevEs || (x) == CCAttrAmdSevSnp)
+
 #endif