BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275

Now that OvmfPkg supports version 2 of the GHCB specification, bump the
protocol version.

Cc: Michael Roth <[email protected]>
Cc: Ray Ni <[email protected]>
Cc: Rahul Kumar <[email protected]>
Cc: Eric Dong <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Min Xu <[email protected]>
Cc: Jiewen Yao <[email protected]>
Cc: Tom Lendacky <[email protected]>
Cc: Jordan Justen <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Erdem Aktas <[email protected]>
Cc: Gerd Hoffmann <[email protected]>
Acked-by: Jiewen Yao <[email protected]>
Signed-off-by: Brijesh Singh <[email protected]>
---
 MdePkg/Include/Register/Amd/Ghcb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdePkg/Include/Register/Amd/Ghcb.h 
b/MdePkg/Include/Register/Amd/Ghcb.h
index 8c5f46e4bb53..071aae0c9e09 100644
--- a/MdePkg/Include/Register/Amd/Ghcb.h
+++ b/MdePkg/Include/Register/Amd/Ghcb.h
@@ -24,7 +24,7 @@
 #define VC_EXCEPTION 29
 
 #define GHCB_VERSION_MIN     1
-#define GHCB_VERSION_MAX     1
+#define GHCB_VERSION_MAX     2
 
 #define GHCB_STANDARD_USAGE  0
 
-- 
2.25.1



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