/** @file
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Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
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#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
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#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \
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{ \
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0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \
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}
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/**
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* GUID specific data structure of HOB for reserving SMRAM regions.
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*
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* Inconsistent with specification here:
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* EFI_HOB_SMRAM_DESCRIPTOR_BLOCK has been changed to EFI_SMRAM_HOB_DESCRIPTOR_BLOCK.
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* This inconsistency is kept in code in order for backward compatibility.
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**/
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typedef struct {
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///
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/// Designates the number of possible regions in the system
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/// that can be usable for SMRAM.
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///
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/// Inconsistent with specification here:
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/// In Framework SMM CIS 0.91 specification, it defines the field type as UINTN.
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/// However, HOBs are supposed to be CPU neutral, so UINT32 should be used instead.
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///
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UINT32 NumberOfSmmReservedRegions;
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///
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/// Used throughout this protocol to describe the candidate
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/// regions for SMRAM that are supported by this platform.
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///
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EFI_SMRAM_DESCRIPTOR Descriptor[1];
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} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
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extern EFI_GUID gEfiSmmPeiSmramMemoryReserveGuid;
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#endif
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