1 files changed, 10 insertions, 1 deletions
diff --git a/MdeModulePkg/Core/Dxe/Event/Event.h b/MdeModulePkg/Core/Dxe/Event/Event.h
index c110f4d072..4c02900b93 100644
--- a/MdeModulePkg/Core/Dxe/Event/Event.h
+++ b/MdeModulePkg/Core/Dxe/Event/Event.h
@@ -2,6 +2,7 @@
   UEFI Event support functions and structure.
 
 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -19,6 +20,14 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define VALID_TPL(a)            ((a) <= TPL_HIGH_LEVEL)
 extern  UINTN                   gEventPending;
 
+///
+/// Set if Event is part of an event group
+///
+#define EVT_EXFLAG_EVENT_GROUP                    0x01
+///
+/// Set if Event is registered on a protocol notify
+///
+#define EVT_EXFLAG_EVENT_PROTOCOL_NOTIFICATION    0x02
 
 //
 // EFI_EVENT
@@ -50,7 +59,7 @@ typedef struct {
   VOID                    *NotifyContext;
   EFI_GUID                EventGroup;
   LIST_ENTRY              NotifyLink;
-  BOOLEAN                 ExFlag;
+  UINT8                   ExFlag;
   ///
   /// A list of all runtime events
   ///