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80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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/** @file
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This file declares Sec Platform Information2 PPI.
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This service is the primary handoff state into the PEI Foundation.
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This service abstracts platform-specific information for many CPU's.
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Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is introduced from PI Version 1.4.
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**/
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#ifndef __SEC_PLATFORM_INFORMATION2_PPI_H__
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#define __SEC_PLATFORM_INFORMATION2_PPI_H__
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#include <Ppi/SecPlatformInformation.h>
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#define EFI_SEC_PLATFORM_INFORMATION2_GUID \
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{ \
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0x9e9f374b, 0x8f16, 0x4230, {0x98, 0x24, 0x58, 0x46, 0xee, 0x76, 0x6a, 0x97 } \
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}
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typedef struct _EFI_SEC_PLATFORM_INFORMATION2_PPI EFI_SEC_PLATFORM_INFORMATION2_PPI;
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///
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/// EFI_SEC_PLATFORM_INFORMATION_CPU.
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///
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typedef struct {
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UINT32 CpuLocation;
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EFI_SEC_PLATFORM_INFORMATION_RECORD InfoRecord;
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} EFI_SEC_PLATFORM_INFORMATION_CPU;
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///
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/// EFI_SEC_PLATFORM_INFORMATION_RECORD2.
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///
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typedef struct {
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///
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/// The CPU location would be the local APIC ID
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///
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UINT32 NumberOfCpus;
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EFI_SEC_PLATFORM_INFORMATION_CPU CpuInstance[1];
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} EFI_SEC_PLATFORM_INFORMATION_RECORD2;
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/**
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This interface conveys state information out of the Security (SEC) phase into PEI.
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This service is published by the SEC phase.
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@param PeiServices The pointer to the PEI Services Table.
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@param StructureSize The pointer to the variable describing size of the input buffer.
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@param PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.
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@retval EFI_SUCCESS The data was successfully returned.
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@retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to
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hold the record is returned in StructureSize.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SEC_PLATFORM_INFORMATION2)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN OUT UINT64 *StructureSize,
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OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2
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);
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///
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/// This service abstracts platform-specific information for many CPU's.
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/// It is the multi-processor equivalent of PlatformInformation for
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/// implementations that synchronize some, if not all CPU's in the SEC phase.
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///
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struct _EFI_SEC_PLATFORM_INFORMATION2_PPI {
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EFI_SEC_PLATFORM_INFORMATION2 PlatformInformation2;
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};
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extern EFI_GUID gEfiSecPlatformInformation2PpiGuid;
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#endif
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