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.c...@intel.com>; devel@edk2.groups.io >Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Ni, Ray ><ray...@intel.com> >Subject: Re: [edk2-devel] [PATCH V3] MdePkg: Add PI 1.5 >SmramMemoryReserve HOB file > >Reviewed-by: Liming Gao <liming....@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.kin...@intel.com>; Gao, Liming ><liming....@intel.com>; Ni, Ray <ray...@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.kin...@intel.com> >> Cc: Liming Gao <liming....@intel.com> >> Cc: Ray Ni <ray...@intel.com> >> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2020 >> Signed-off-by: Marc W Chen <marc.w.c...@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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