Re: [edk2-devel] [PATCH V3] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file

["Liming Gao" <liming.gao@intel.com>]

Push@d21e5dbbbf11589113d39619b3e01eb1e8966819

>-----Original Message-----
>From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of
>Liming Gao
>Sent: Tuesday, July 30, 2019 11:21 AM
>To: Chen, Marc W <marc.w.chen@intel.com>; devel@edk2.groups.io
>Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Ni, Ray
><ray.ni@intel.com>
>Subject: Re: [edk2-devel] [PATCH V3] MdePkg: Add PI 1.5
>SmramMemoryReserve HOB file
>
>Reviewed-by: Liming Gao <liming.gao@intel.com>
>
>> -----Original Message-----
>> From: Chen, Marc W
>> Sent: Monday, July 29, 2019 4:41 PM
>> To: devel@edk2.groups.io
>> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
><liming.gao@intel.com>; Ni, Ray <ray.ni@intel.com>
>> Subject: [PATCH V3] 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>
>> ---
>>  MdePkg/Include/Guid/SmramMemoryReserve.h | 45
>++++++++++++++++++++++++++++++++
>>  MdePkg/MdePkg.dec                        |  3 +++
>>  2 files changed, 48 insertions(+)
>>  create mode 100644 MdePkg/Include/Guid/SmramMemoryReserve.h
>>
>> diff --git a/MdePkg/Include/Guid/SmramMemoryReserve.h
>b/MdePkg/Include/Guid/SmramMemoryReserve.h
>> new file mode 100644
>> index 0000000000..47320f3621
>> --- /dev/null
>> +++ b/MdePkg/Include/Guid/SmramMemoryReserve.h
>> @@ -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
>> +
>> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
>> index b382efd578..15a221d71f 100644
>> --- a/MdePkg/MdePkg.dec
>> +++ b/MdePkg/MdePkg.dec
>> @@ -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
>>    #
>> --
>> 2.16.2.windows.1
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