--- /dev/null
+/** @file\r
+ EFI MP information protocol provides a lightweight MP_SERVICES_PROTOCOL.\r
+\r
+ MP information protocol only provides static information of MP processor.\r
+\r
+ Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>\r
+\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef _MP_INFORMATION_H_\r
+#define _MP_INFORMATION_H_\r
+\r
+#include <Protocol/MpService.h>\r
+#include <PiPei.h>\r
+#include <Ppi/SecPlatformInformation.h>\r
+\r
+#define MP_INFORMATION_GUID \\r
+ { \\r
+ 0xba33f15d, 0x4000, 0x45c1, {0x8e, 0x88, 0xf9, 0x16, 0x92, 0xd4, 0x57, 0xe3} \\r
+ }\r
+\r
+#pragma pack(1)\r
+typedef struct {\r
+ UINT64 NumberOfProcessors;\r
+ UINT64 NumberOfEnabledProcessors;\r
+ EFI_PROCESSOR_INFORMATION ProcessorInfoBuffer[];\r
+} MP_INFORMATION_HOB_DATA;\r
+#pragma pack()\r
+\r
+extern EFI_GUID gMpInformationHobGuid;\r
+\r
+#endif\r