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/** @file
Defines the GUIDed HOB that describes the memory region to be unblocked in MM environment.
Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef MM_UNBLOCK_REGION_H_
#define MM_UNBLOCK_REGION_H_
///
/// The GUID of the UnblockRegion GUIDed HOB.
///
#define MM_UNBLOCK_REGION_HOB_GUID \
{ \
0x7c316fb3, 0x849e, 0x4ee7, {0x87, 0xfc, 0x16, 0x2d, 0x0b, 0x03, 0x42, 0xbf } \
}
///
/// The structure defines the data layout of the UnblockRegion GUIDed HOB.
///
typedef struct {
///
/// Physical address of the first byte in the memory region. PhysicalStart must be
/// aligned on a 4 KiB boundary.
///
EFI_PHYSICAL_ADDRESS PhysicalStart;
///
/// Number of 4 KiB pages in the memory region.
///
UINT64 NumberOfPages;
///
/// GUID to identify the memory region.
///
EFI_GUID IdentifierGuid;
} MM_UNBLOCK_REGION;
extern EFI_GUID gMmUnblockRegionHobGuid;
#endif
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