diff --git a/OvmfPkg/Library/SmmCpuPlatformHookLibQemu/SmmCpuPlatformHookLibQemu.c b/OvmfPkg/Library/SmmCpuPlatformHookLibQemu/SmmCpuPlatformHookLibQemu.c
index 4df057101e8b..cab7d90bcc81 100644
--- a/OvmfPkg/Library/SmmCpuPlatformHookLibQemu/SmmCpuPlatformHookLibQemu.c
+++ b/OvmfPkg/Library/SmmCpuPlatformHookLibQemu/SmmCpuPlatformHookLibQemu.c
@@ -2,7 +2,7 @@
SMM CPU Platform Hook library instance for QEMU.
Copyright (c) 2020, Red Hat, Inc.
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.
+Copyright (c) 2006 - 2024, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -113,3 +113,21 @@ GetPlatformPageTableAttribute (
{
return EFI_UNSUPPORTED;
}
+
+/**
+ SMM CPU Platform Hook before executing MMI Handler.
+
+ This function can be used to perform the platform specific items before executing MMI Handler.
+
+ @retval EFI_SUCCESS The smm cpu platform hook before executing MMI Handler is executed successfully.
+ @retval EFI_UNSUPPORTED The smm cpu platform hook before executing MMI Handler is unsupported.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmCpuPlatformHookBeforeMmiHandler (
+ VOID
+ )
+{
+ return EFI_UNSUPPORTED;
+}