1 files changed, 48 insertions, 0 deletions
diff --git a/UefiPayloadPkg/Include/Guid/SmmRegisterInfoGuid.h b/UefiPayloadPkg/Include/Guid/SmmRegisterInfoGuid.h
new file mode 100644
index 0000000000..8a1d3d7486
--- /dev/null
+++ b/UefiPayloadPkg/Include/Guid/SmmRegisterInfoGuid.h
@@ -0,0 +1,48 @@
+/** @file
+  This file defines the SMM info hob structure.
+
+  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PAYLOAD_SMM_REGISTER_INFO_GUID_H_
+#define PAYLOAD_SMM_REGISTER_INFO_GUID_H_
+
+#include <IndustryStandard/Acpi.h>
+
+///
+/// SMM Information GUID
+///
+extern EFI_GUID gSmmRegisterInfoGuid;
+
+///
+/// Reuse ACPI definition
+/// AddressSpaceId(0xC0-0xFF) is defined by OEM for MSR and other spaces
+///
+typedef EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE  PLD_GENERIC_ADDRESS;
+
+#define REGISTER_ID_SMI_GBL_EN         1
+#define REGISTER_ID_SMI_GBL_EN_LOCK    2
+#define REGISTER_ID_SMI_EOS            3
+#define REGISTER_ID_SMI_APM_EN         4
+#define REGISTER_ID_SMI_APM_STS        5
+
+#pragma pack(1)
+typedef struct {
+  UINT64                Id;
+  UINT64                Value;
+  PLD_GENERIC_ADDRESS   Address;
+} PLD_GENERIC_REGISTER;
+
+typedef struct {
+  UINT16                Revision;
+  UINT16                Reserved;
+  UINT32                Count;
+  PLD_GENERIC_REGISTER  Registers[0];
+} PLD_SMM_REGISTERS;
+
+
+#pragma pack()
+
+#endif