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| author | Chen, Marc W <marc.w.chen@intel.com> | 2019-07-29 16:41:19 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2019-07-31 15:03:33 +0800 |
| commit | d21e5dbbbf11589113d39619b3e01eb1e8966819 (patch) | |
| tree | 63fbe224379df1c647e5730ddb0e2e4be412cbaf /MdePkg | |
| parent | 95fb75883d2917e985f960969f004ea63ad83adf (diff) | |
| download | edk2-d21e5dbbbf11589113d39619b3e01eb1e8966819.tar.gz edk2-d21e5dbbbf11589113d39619b3e01eb1e8966819.tar.bz2 edk2-d21e5dbbbf11589113d39619b3e01eb1e8966819.zip | |
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>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Guid/SmramMemoryReserve.h | 45 | ||||
| -rw-r--r-- | MdePkg/MdePkg.dec | 3 |
2 files changed, 48 insertions, 0 deletions
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
#
|