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MdePkg: Add PI 1.5 SmramMemoryReserve HOB file 

This is a special GUID extension Hob to describe SMRAM memory regions

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2020
Signed-off-by: Marc W Chen <marc.w.chen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Chen, Marc W 2019-07-29 16:41:19 +08:00 committed by Liming Gao
parent 95fb75883d
commit d21e5dbbbf
2 changed files with 48 additions and 0 deletions
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45
MdePkg/Include/Guid/SmramMemoryReserve.h Normal file
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@ -0,0 +1,45 @@
/** @file
This is a special GUID extension Hob to describe SMRAM memory regions.
This file defines:
* the GUID used to identify the GUID HOB for reserving SMRAM regions.
* the data structure of SMRAM descriptor to describe SMRAM candidate regions
* values of state of SMRAM candidate regions
* the GUID specific data structure of HOB for reserving SMRAM regions.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
GUIDs defined in PI SPEC version 1.5.
**/
#ifndef _SMRAM_MEMORY_RESERVE_H_
#define _SMRAM_MEMORY_RESERVE_H_
#define EFI_SMM_SMRAM_MEMORY_GUID \
{ \
0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \
}
/**
* The GUID extension hob is to describe SMRAM memory regions supported by the platform.
**/
typedef struct {
///
/// Designates the number of possible regions in the system
/// that can be usable for SMRAM.
///
UINT32 NumberOfSmmReservedRegions;
///
/// Used throughout this protocol to describe the candidate
/// regions for SMRAM that are supported by this platform.
///
EFI_SMRAM_DESCRIPTOR Descriptor[1];
} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
extern EFI_GUID gEfiSmmSmramMemoryGuid;
#endif

3
MdePkg/MdePkg.dec
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@ -749,6 +749,9 @@
## Include/Guid/GraphicsInfoHob.h
gEfiGraphicsDeviceInfoHobGuid = { 0xe5cb2ac9, 0xd35d, 0x4430, { 0x93, 0x6e, 0x1d, 0xe3, 0x32, 0x47, 0x8d, 0xe7 }}
## Include/Guid/SmramMemoryReserve.h
gEfiSmmSmramMemoryGuid = { 0x6dadf1d1, 0xd4cc, 0x4910, { 0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d }}
#
# GUID defined in PI1.6
#