1 files changed, 32 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Include/Protocol/SmmSxDispatch2.h b/roms/edk2/MdePkg/Include/Protocol/SmmSxDispatch2.h
new file mode 100644
index 000000000..c3ab8bb7b
--- /dev/null
+++ b/roms/edk2/MdePkg/Include/Protocol/SmmSxDispatch2.h
@@ -0,0 +1,32 @@
+/** @file
+  SMM Sx Dispatch Protocol as defined in PI 1.2 Specification
+  Volume 4 System Management Mode Core Interface.
+
+  Provides the parent dispatch service for a given Sx-state source generator.
+
+  Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SMM_SX_DISPATCH2_H_
+#define _SMM_SX_DISPATCH2_H_
+
+#include <Protocol/MmSxDispatch.h>
+
+#define EFI_SMM_SX_DISPATCH2_PROTOCOL_GUID EFI_MM_SX_DISPATCH_PROTOCOL_GUID
+
+///
+/// The dispatch function's context
+///
+typedef EFI_MM_SX_REGISTER_CONTEXT EFI_SMM_SX_REGISTER_CONTEXT;
+
+typedef EFI_MM_SX_DISPATCH_PROTOCOL  EFI_SMM_SX_DISPATCH2_PROTOCOL;
+
+typedef EFI_MM_SX_REGISTER EFI_SMM_SX_REGISTER2;
+
+typedef EFI_MM_SX_UNREGISTER EFI_SMM_SX_UNREGISTER2;
+
+extern EFI_GUID gEfiSmmSxDispatch2ProtocolGuid;
+
+#endif