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Wed, 10 Nov 2021 22:15:27 +0000 X-Received: from sbrijesh-desktop.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Wed, 10 Nov 2021 16:15:24 -0600 From: "Brijesh Singh via groups.io" To: CC: James Bottomley , Min Xu , "Jiewen Yao" , Tom Lendacky , "Jordan Justen" , Ard Biesheuvel , Erdem Aktas , "Michael Roth" , Gerd Hoffmann , "Michael D Kinney" , Liming Gao , Zhiguang Liu , Ray Ni , Rahul Kumar , Eric Dong , Brijesh Singh , Michael Roth Subject: [edk2-devel] [PATCH v12 20/32] MdePkg: Define ConfidentialComputingGuestAttr Date: Wed, 10 Nov 2021 16:14:45 -0600 Message-ID: <20211110221457.2397234-21-brijesh.singh@amd.com> In-Reply-To: <20211110221457.2397234-1-brijesh.singh@amd.com> References: <20211110221457.2397234-1-brijesh.singh@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9bb5132a-a3ca-4312-6720-08d9a49799ea X-MS-TrafficTypeDiagnostic: MN2PR12MB2975: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; 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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,brijesh.singh@amd.com X-Gm-Message-State: oOjOCJLafCPFtHLOfkGWmAXBx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1636582532; bh=/T0/KjOHpyPIj4i5UuwWqYwBCEgXwIBIMRqPBXgIRVc=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=nZ2QZZjPkhTxXddRsRkSFA3H4Yocd+SH+RJuqM4fB7Ng6yBb+Iy3frdf30V4yAHfTI/ tcubgAskLwjeg5pTYsYkXlGV9ClqW+Sdhg+L2dY9FFhE1p9fJpmxxNLiCB5z9Fug3xyVG PBMAQPZN51QReoM/VzXRyX925Ilc8CrUhFw= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1636582533889100022 Content-Type: text/plain; charset="utf-8" BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3275 While initializing APs, the MpInitLib may need to know whether the guest is running with active AMD SEV or Intel TDX memory encryption. Add a new ConfidentialComputingGuestAttr PCD that can be used to query the memory encryption attribute. Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Cc: Michael Roth Cc: Ray Ni Cc: Rahul Kumar Cc: Eric Dong Cc: James Bottomley Cc: Min Xu Cc: Jiewen Yao Cc: Tom Lendacky Cc: Jordan Justen Cc: Ard Biesheuvel Cc: Erdem Aktas Cc: Gerd Hoffmann Suggested-by: Jiewen Yao Acked-by: Gerd Hoffmann Signed-off-by: Brijesh Singh Acked-by: Ray Ni --- MdePkg/MdePkg.dec | 4 +++ .../Include/ConfidentialComputingGuestAttr.h | 25 +++++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 MdePkg/Include/ConfidentialComputingGuestAttr.h diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec index 8b18415b107a..cd903c35d2ff 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -2396,5 +2396,9 @@ [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic= , PcdsDynamicEx] # @Prompt FSB Clock. gEfiMdePkgTokenSpaceGuid.PcdFSBClock|200000000|UINT32|0x0000000c =20 + ## This dynamic PCD indicates the memory encryption attribute of the gue= st. + # @Prompt Memory encryption attribute + gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr|0|UINT64|0x00= 00002e + [UserExtensions.TianoCore."ExtraFiles"] MdePkgExtra.uni diff --git a/MdePkg/Include/ConfidentialComputingGuestAttr.h b/MdePkg/Inclu= de/ConfidentialComputingGuestAttr.h new file mode 100644 index 000000000000..495b0df0ac33 --- /dev/null +++ b/MdePkg/Include/ConfidentialComputingGuestAttr.h @@ -0,0 +1,25 @@ +/** @file +Definitions for Confidential Computing Attribute + +Copyright (c) 2021 AMD Inc. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_ +#define CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_ + +typedef enum { + /* The guest is running with memory encryption disabled. */ + CCAttrNotEncrypted =3D 0, + + /* The guest is running with AMD SEV memory encryption enabled. */ + CCAttrAmdSev =3D 0x100, + CCAttrAmdSevEs =3D 0x101, + CCAttrAmdSevSnp =3D 0x102, + + /* The guest is running with Intel TDX memory encryption enabled. */ + CCAttrIntelTdx =3D 0x200, +} CONFIDENTIAL_COMPUTING_GUEST_ATTR; + +#endif --=20 2.25.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#83594): https://edk2.groups.io/g/devel/message/83594 Mute This Topic: https://groups.io/mt/86969144/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-