From patchwork Tue Jun 8 18:06:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kalra, Ashish" X-Patchwork-Id: 456172 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 887CAC4743E for ; Tue, 8 Jun 2021 18:07:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7142A61377 for ; Tue, 8 Jun 2021 18:07:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234015AbhFHSIy (ORCPT ); Tue, 8 Jun 2021 14:08:54 -0400 Received: from mail-dm6nam12on2041.outbound.protection.outlook.com ([40.107.243.41]:49988 "EHLO NAM12-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S234246AbhFHSIw (ORCPT ); Tue, 8 Jun 2021 14:08:52 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Ji8pFvEk4pozRY3nCirAHytZuXNFZtClJNEOYD/Orr3/mj8eKhDhdXo0x71o/nxVBF7xKcjhZ1F/VDyL+5pyG8a5F4OpbhuzRz/f9GbRMBvoFsuMxkUh/ejz6wUeelTJ1tLTj0YkglGxmXzfUDRUP6TpZdHn9RVY6Wm/AfdR4O7/n89kK4MNxdjWHLzWMxR0ZYbz8cdNSZmqQYE9Z0eYAnQPViA+XTG9T/FpMLizJ+GGdtFq/oku3+WFlpkTSUAn3pRcbN43cilP9xRCvjlGKzy/AbSNjd0yzjhJPPtjz9EMtEyLicwcDkEEM1pisRM/iHTy5pAelePS/gTp6weCFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=nEviQ1iNZ66KLAyhHDcKxcCB08Jy+gxynqCE6dn+Kas=; b=jX2asGcYvHzKLLxTrB8G1YBdmruIj03KS06ILM5nVO44PA0G8hv1vgiFKXN7XWd4m7MDU3mQjWatdnTcx+vBV+/1KaGM05SNCH710bvSyavEp0xgp+XHIcmdKfFzmYVcWYPrzBoKNlQD+qPEBzw1rIU498nxmRHVrR3JxT5aylKEwqKYL5xIJ1NKGVb5o8f5cDWWmxS8riy/sU8u1b4z38qh9WWnV2DAQVAhr2XupjUEoNqe3iFjBQTykxNWWUo5ZXJC37UhgAq5Biv5ruPMrlimq2xYDg5xY2K6VBn9IBvaoLpXhdeUtz4GYb69i4X0TgmTfb+yy5EokdFNAuV6Hg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=nEviQ1iNZ66KLAyhHDcKxcCB08Jy+gxynqCE6dn+Kas=; b=ZjgNuIWiAqiLG4/4fsWa+sQnfzPWtVq5vsW0n+w2LR6URhdre8MF2Y4IyT65umStXU1O02AmuLytk2x+5hJdUdR/azzHwZdGXPa9+Eb/bCFeKKpvKW2E+kr79KMbxdqmgiGazOGFtrvfuM3vpeqpQx4G+crh/KUkJ5h2lESOpFk= Authentication-Results: redhat.com; dkim=none (message not signed) header.d=none; redhat.com; dmarc=none action=none header.from=amd.com; Received: from BYAPR12MB2759.namprd12.prod.outlook.com (2603:10b6:a03:61::32) by BYAPR12MB2775.namprd12.prod.outlook.com (2603:10b6:a03:6b::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4195.22; Tue, 8 Jun 2021 18:06:57 +0000 Received: from BYAPR12MB2759.namprd12.prod.outlook.com ([fe80::ed9c:d6cf:531c:731a]) by BYAPR12MB2759.namprd12.prod.outlook.com ([fe80::ed9c:d6cf:531c:731a%5]) with mapi id 15.20.4195.030; Tue, 8 Jun 2021 18:06:57 +0000 From: Ashish Kalra To: pbonzini@redhat.com Cc: seanjc@google.com, tglx@linutronix.de, bp@alien8.de, mingo@redhat.com, hpa@zytor.com, joro@8bytes.org, Thomas.Lendacky@amd.com, x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, srutherford@google.com, brijesh.singh@amd.com, linux-efi@vger.kernel.org Subject: [PATCH v3 4/5] EFI: Introduce the new AMD Memory Encryption GUID. Date: Tue, 8 Jun 2021 18:06:46 +0000 Message-Id: <13d4bdd5fc0cf9aa0ad81d43da975deb37f0d39c.1623174621.git.ashish.kalra@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SN4PR0501CA0128.namprd05.prod.outlook.com (2603:10b6:803:42::45) To BYAPR12MB2759.namprd12.prod.outlook.com (2603:10b6:a03:61::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ashkalra_ubuntu_server.amd.com (165.204.77.1) by SN4PR0501CA0128.namprd05.prod.outlook.com (2603:10b6:803:42::45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.10 via Frontend Transport; Tue, 8 Jun 2021 18:06:56 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6ee3f55e-feb4-495c-9b0d-08d92aa83465 X-MS-TrafficTypeDiagnostic: BYAPR12MB2775: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BYAPR12MB2759.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(136003)(396003)(376002)(39860400002)(366004)(346002)(478600001)(2616005)(36756003)(956004)(6666004)(6916009)(66476007)(26005)(4326008)(38350700002)(7416002)(7696005)(5660300002)(52116002)(86362001)(6486002)(316002)(66946007)(66556008)(16526019)(83380400001)(8936002)(8676002)(186003)(2906002)(38100700002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6ee3f55e-feb4-495c-9b0d-08d92aa83465 X-MS-Exchange-CrossTenant-AuthSource: BYAPR12MB2759.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jun 2021 18:06:57.3800 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: v3DwMxdFYJclJPrJx0oe8pVG3TmRW+RlyjTDNAquIAtff7LcpaGiMl+S/frWrqew4XuIQIumwHswlzbhxQi13w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB2775 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org From: Ashish Kalra Introduce a new AMD Memory Encryption GUID which is currently used for defining a new UEFI environment variable which indicates UEFI/OVMF support for the SEV live migration feature. This variable is setup when UEFI/OVMF detects host/hypervisor support for SEV live migration and later this variable is read by the kernel using EFI runtime services to verify if OVMF supports the live migration feature. Signed-off-by: Ashish Kalra Acked-by: Ard Biesheuvel --- include/linux/efi.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/efi.h b/include/linux/efi.h index 6b5d36babfcc..dbd39b20e034 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -362,6 +362,7 @@ void efi_native_runtime_setup(void); /* OEM GUIDs */ #define DELLEMC_EFI_RCI2_TABLE_GUID EFI_GUID(0x2d9f28a2, 0xa886, 0x456a, 0x97, 0xa8, 0xf1, 0x1e, 0xf2, 0x4f, 0xf4, 0x55) +#define AMD_SEV_MEM_ENCRYPT_GUID EFI_GUID(0x0cf29b71, 0x9e51, 0x433a, 0xa3, 0xb7, 0x81, 0xf3, 0xab, 0x16, 0xb8, 0x75) typedef struct { efi_guid_t guid;