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Wed, 21 Dec 2022 15:51:36 +0000 X-Received: from localhost (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 15.1.2375.34; Wed, 21 Dec 2022 09:51:35 -0600 From: "Roth, Michael via groups.io" To: CC: Tom Lendacky , Subject: [edk2-devel] [PATCH v4 1/4] MdePkg: Add header for SEV-SNP secrets page struct Date: Wed, 21 Dec 2022 09:50:44 -0600 Message-ID: <20221221155047.180912-2-michael.roth@amd.com> In-Reply-To: <20221221155047.180912-1-michael.roth@amd.com> References: <20221221155047.180912-1-michael.roth@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT084:EE_|DM4PR12MB5963:EE_ X-MS-Office365-Filtering-Correlation-Id: 30d5a528-613d-4a84-cbb7-08dae36b3dbd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Dec 2022 15:51:36.2263 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 30d5a528-613d-4a84-cbb7-08dae36b3dbd X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT084.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5963 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,Michael.Roth@amd.com X-Gm-Message-State: LJAnYtBFsv8K9JONbKRqt5FCx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1671657790; bh=y47K+07UXrNOiSlAaYf7ZtGU0wwJw3gozwHt9mLqY/o=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=aQaIA9gbNUdjxEBw6NvLYBrciomQVQRhy81gJbb1Q4yuPW+mLza1iVpFtcLpw6RDAE9 /bHhh5v8HonsOWScygZSI4HcSrM/n2c5wo1XcLokJBKTlak90sCvuan5b863D++jze9bL KBdk7EpmR8oxMZkBwr0opdkFxl1x2t4oQtE= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1671657791595100016 Content-Type: text/plain; charset="utf-8" This will be needed so that the AP Jump Table address can be stored for use by the operating system later, and possibly for other things in the future. Reviewed-by: Tom Lendacky Signed-off-by: Michael Roth --- MdePkg/Include/Register/Amd/SnpSecretsPage.h | 56 ++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 MdePkg/Include/Register/Amd/SnpSecretsPage.h diff --git a/MdePkg/Include/Register/Amd/SnpSecretsPage.h b/MdePkg/Include/= Register/Amd/SnpSecretsPage.h new file mode 100644 index 0000000000..3188459150 --- /dev/null +++ b/MdePkg/Include/Register/Amd/SnpSecretsPage.h @@ -0,0 +1,56 @@ +/** @file +Definitions for AMD SEV-SNP Secrets Page + +Copyright (c) 2022 AMD Inc. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef SNP_SECRETS_PAGE_H_ +#define SNP_SECRETS_PAGE_H_ + +// +// OS-defined area of secrets page +// +// As defined by "SEV-ES Guest-Hypervisor Communication Block Standardizat= ion", +// revision 2.01, section 2.7, "SEV-SNP Secrets Page". +// +typedef PACKED struct _SNP_SECRETS_OS_AREA { + UINT32 Vmpl0MsgSeqNumLo; + UINT32 Vmpl1MsgSeqNumLo; + UINT32 Vmpl2MsgSeqNumLo; + UINT32 Vmpl3MsgSeqNumLo; + UINT64 ApJumpTablePa; + UINT32 Vmpl0MsgSeqNumHi; + UINT32 Vmpl1MsgSeqNumHi; + UINT32 Vmpl2MsgSeqNumHi; + UINT32 Vmpl3MsgSeqNumHi; + UINT8 Reserved2[22]; + UINT16 Version; + UINT8 GuestUsage[32]; +} SNP_SECRETS_OS_AREA; + +#define VMPCK_KEY_LEN 32 + +// +// SEV-SNP Secrets page +// +// As defined by "SEV-SNP Firmware ABI", revision 1.51, section 8.17.2.5, +// "PAGE_TYPE_SECRETS". +// +typedef PACKED struct _SNP_SECRETS_PAGE { + UINT32 Version; + UINT32 ImiEn : 1, + Reserved : 31; + UINT32 Fms; + UINT32 Reserved2; + UINT8 Gosvw[16]; + UINT8 Vmpck0[VMPCK_KEY_LEN]; + UINT8 Vmpck1[VMPCK_KEY_LEN]; + UINT8 Vmpck2[VMPCK_KEY_LEN]; + UINT8 Vmpck3[VMPCK_KEY_LEN]; + SNP_SECRETS_OS_AREA OsArea; + UINT8 Reserved3[3840]; +} SNP_SECRETS_PAGE; + +#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 (#97697): https://edk2.groups.io/g/devel/message/97697 Mute This Topic: https://groups.io/mt/95815535/1787277 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-