From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 192.55.52.151, mailfrom: marc.w.chen@intel.com) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by groups.io with SMTP; Mon, 29 Jul 2019 01:06:07 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Jul 2019 01:06:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,322,1559545200"; d="scan'208";a="179255164" Received: from chenmarc-mobl.gar.corp.intel.com ([10.5.245.189]) by FMSMGA003.fm.intel.com with ESMTP; 29 Jul 2019 01:06:05 -0700 From: "Marc W Chen" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Ray Ni Subject: [PATCH V2] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file Date: Mon, 29 Jul 2019 16:04:52 +0800 Message-Id: <20190729080452.7548-1-marc.w.chen@intel.com> X-Mailer: git-send-email 2.16.2.windows.1 This is a special GUID extension Hob to describe SMRAM memory regions Cc: Michael D Kinney Cc: Liming Gao Cc: Ray Ni Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2020 Signed-off-by: Marc W Chen --- 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..3ba8c6f526 --- /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.
+ 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 gEfiSmmSmramMemoryReserveGuid; + +#endif + diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index b382efd578..ccfa220a02 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 + gEfiSmmSmramMemoryReserveGuid = { 0x6dadf1d1, 0xd4cc, 0x4910, { 0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d }} + # # GUID defined in PI1.6 # -- 2.16.2.windows.1