From: Brijesh Singh <brijesh.singh@amd.com>
Date: Thu, 9 Dec 2021 03:27:53 +0000 (+0800)
Subject: MdePkg/GHCB: increase the GHCB protocol max version
X-Git-Tag: edk2-stable202202~172
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=2c354252be0ef156a80540555d7293800a200ecd

MdePkg/GHCB: increase the GHCB protocol max version

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 <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>
Acked-by: Ray Ni <ray.ni@intel.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---

diff --git a/MdePkg/Include/Register/Amd/Ghcb.h b/MdePkg/Include/Register/Amd/Ghcb.h
index e7626a2c13..dab396f3ed 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