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

[Marc W Chen]

It's my mistake, let me correct it in next patch.

Thanks,
Marc

> -----Original Message-----
> From: Gao, Liming
> Sent: Monday, July 29, 2019 3:50 PM
> To: Chen, Marc W <marc.w.chen at intel.com>; devel at edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Ni, Ray
> <ray.ni at intel.com>
> Subject: RE: [PATCH] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file
> 
> Marc:
>   In PI spec 1.6, I see the guid macro is defined as
> EFI_SMM_SMRAM_MEMORY_GUID.
>   Why you define it as EFI_SMRAM_MEMORY_RESERVE_GUID?
> 
> Thanks
> Liming
> >-----Original Message-----
> >From: Chen, Marc W
> >Sent: Friday, July 26, 2019 6:13 PM
> >To: devel at edk2.groups.io
> >Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Gao, Liming
> ><liming.gao at intel.com>; Ni, Ray <ray.ni at intel.com>
> >Subject: [PATCH] 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 at intel.com>
> >Cc: Liming Gao <liming.gao at intel.com>
> >Cc: Ray Ni <ray.ni at intel.com>
> >Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2020
> >Signed-off-by: Marc W Chen <marc.w.chen at 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..9bb4925711
> >--- /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 _EFI_SMRAM_MEMORY_RESERVE_H_
> >+#define _EFI_SMRAM_MEMORY_RESERVE_H_
> >+
> >+#define EFI_SMRAM_MEMORY_RESERVE_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 gEfiSmramMemoryReserveGuid;
> >+
> >+#endif
> >+
> >diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> >index b382efd578..5cc12886fa 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
> >+  gEfiSmramMemoryReserveGuid     = { 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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