1 files changed, 22 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Drivers/MmCommunicationDxe/MmCommunicate.h b/roms/edk2/ArmPkg/Drivers/MmCommunicationDxe/MmCommunicate.h
new file mode 100644
index 000000000..fcc346ba7
--- /dev/null
+++ b/roms/edk2/ArmPkg/Drivers/MmCommunicationDxe/MmCommunicate.h
@@ -0,0 +1,22 @@
+/** @file
+
+  Copyright (c) 2016-2018, ARM Limited. All rights reserved.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#if !defined _MM_COMMUNICATE_H_
+#define _MM_COMMUNICATE_H_
+
+#define MM_MAJOR_VER_MASK        0xEFFF0000
+#define MM_MINOR_VER_MASK        0x0000FFFF
+#define MM_MAJOR_VER_SHIFT       16
+
+#define MM_MAJOR_VER(x) (((x) & MM_MAJOR_VER_MASK) >> MM_MAJOR_VER_SHIFT)
+#define MM_MINOR_VER(x) ((x) & MM_MINOR_VER_MASK)
+
+#define MM_CALLER_MAJOR_VER      0x1UL
+#define MM_CALLER_MINOR_VER      0x0
+
+#endif /* _MM_COMMUNICATE_H_ */