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/** @file
EFI MP information protocol provides a lightweight MP_SERVICES_PROTOCOL.
MP information protocol only provides static information of MP processor.
If SwitchBSP or Enable/DisableAP in MP service is called between the HOB
production and HOB consumption, EFI_PROCESSOR_INFORMATION.StatusFlag field
in this HOB may be invalidated.
Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef MP_INFORMATION2_H_
#define MP_INFORMATION2_H_
#include <Protocol/MpService.h>
#include <PiPei.h>
#include <Ppi/SecPlatformInformation.h>
#define MP_INFORMATION2_HOB_REVISION 1
#define MP_INFORMATION2_GUID \
{ \
0x417a7f64, 0xf4e9, 0x4b32, {0x84, 0x6a, 0x5c, 0xc4, 0xd8, 0x62, 0x18, 0x79} \
}
typedef struct {
EFI_PROCESSOR_INFORMATION ProcessorInfo;
//
// Add more fields in future
//
} MP_INFORMATION2_ENTRY;
typedef struct {
UINT16 NumberOfProcessors;
UINT16 EntrySize;
UINT8 Version;
UINT8 Reserved[3];
UINT64 ProcessorIndex;
MP_INFORMATION2_ENTRY Entry[0];
} MP_INFORMATION2_HOB_DATA;
//
// Producer of MP_INFORMATION2_HOB_DATA should assign sizeof (MP_INFORMATION2_ENTRY) to MP_INFORMATION2_HOB_DATA.EntrySize
// Consumer of MP_INFORMATION2_HOB_DATA should use below macro or similar logic to get the individual entry
// as the entry structure might be updated to include more information.
//
#define GET_MP_INFORMATION_ENTRY(MpInfoHobData, Index) \
(MP_INFORMATION2_ENTRY *)((UINTN)&((MP_INFORMATION2_HOB_DATA *)(MpInfoHobData))->Entry + (MpInfoHobData)->EntrySize * Index)
extern EFI_GUID gMpInformationHobGuid2;
#endif
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