From patchwork Thu Apr 18 19:41:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Roth X-Patchwork-Id: 13635348 X-Patchwork-Delegate: herbert@gondor.apana.org.au Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on2062.outbound.protection.outlook.com [40.107.96.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA36D194C8B; Thu, 18 Apr 2024 19:50:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.96.62 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713469831; cv=fail; b=Av4HqbAwZJYFm/xNNX7C5NppBifSuTkFJAkfPfMchflHimkiv36HMhzNfJ/oZtW1BXkE+8mSonilBS6AFFnscFBMKNZ3vgKPjCSqF9LWD84CRRlyVUwI++6Z+LrsIg7UBOTfO8FxhNd1HhvsRxIh8UhWS2lYYo6XThC4vJNgkXA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713469831; c=relaxed/simple; bh=FJCMQvRyfp5Z1IhuXUvGBSE2rK2rAfv2nhEopFQTfmA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=SRBAsAMxnHQz28kN3MWDXWRDYLylKT5iiluJbSsxxm+oVeBU2+EWhPVO9D0l45ogZn+NRzOqUXjKQKilIubYIghfEzM/auUp5yapzdTxz0yNAMSA7lGW2cWYbKAiuPc28N86gdoIUybTmU6/DFpDZ32JLED4xuzj8HHh9hd1l4o= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=x7LG7sKg; arc=fail smtp.client-ip=40.107.96.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="x7LG7sKg" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Yz+mOHeV7cEoxzA4wzXBS3Hyb9TgAmDRnCECWZ1dgwW230j1l/006oyNV84t4pkTD+HJI05EYY8UNwhkAhY4v+N5rOaUVGHJdWJjhWJQRoBBxT+CW/uBqZt1008hC0HZlhCEHss3VOoGquY/HahpsfwCFp+P5GBQCZZnh+VacUnzveYXTiZ5sZXH/AzMaR8kIfYTEZvk8L3BudPqMg66JKcGFLHL4RaJYhWHNQAR57eMi4XCSKslpWEyTZ3HENY67aN96k+X4Ln+ifTywdGJV0V9WSZDPnoEuJ9K/FH35VSV4F1G5ZUu2J+AXJK2JYM1DdGVFVbQmGmojVaD0/FIhg== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=cXRnpadbMHv81jR+cczjNT88FJu0zOLgWChtKNLc+po=; b=HrDrQNTFv1FdsbtyvA8O/VSWZb+S6/Z3FfMSwseKjSXy7+k+KGz42PdOnmYLbtYWgSSDGfh+bGgi30L6bPbNuwgcayOARXFVP6nW+96Gr0o6tBHBVYqcf82MKBq3swmffPBsbBkLwMHf3yMjzo/Kr80XCAtPWcRd8kgvqr++zDRFGasChDD+PZbb3FmN9TV+09VZT+lli4QBqfQj5LL4NZqteWCc0q28o8VbOkvODLChX/HjE7J/6QnFeTPKl7uN8PkLVwSfttS7hK/agK0FJXpr7n8XZxruPsfIl1Yozl1kVrtR9LL25EouxnnMkdfLWvHORtW5Aq+sYw8fWWyR7w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) 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=cXRnpadbMHv81jR+cczjNT88FJu0zOLgWChtKNLc+po=; b=x7LG7sKgjsGS2WqMbVchgLVqkh4Pgg75y/z8GDPXihufXyJltSTh7t6s68zFjt2E68Vb2BwCacgSoLzQc3ujFa62nZhuq9ThXWuok3C7DBrHQtogWCPYdueQgnnxQqCJq+9QH/eWlmUIsFHPpMKZe5ikFXLe96s9SGTYfqI/89g= Received: from SN7PR18CA0020.namprd18.prod.outlook.com (2603:10b6:806:f3::14) by SA1PR12MB8120.namprd12.prod.outlook.com (2603:10b6:806:331::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7452.50; Thu, 18 Apr 2024 19:50:26 +0000 Received: from SN1PEPF0002BA51.namprd03.prod.outlook.com (2603:10b6:806:f3:cafe::c7) by SN7PR18CA0020.outlook.office365.com (2603:10b6:806:f3::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7495.29 via Frontend Transport; Thu, 18 Apr 2024 19:50:26 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by SN1PEPF0002BA51.mail.protection.outlook.com (10.167.242.74) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7452.22 via Frontend Transport; Thu, 18 Apr 2024 19:50:25 +0000 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 15.1.2507.35; Thu, 18 Apr 2024 14:50:25 -0500 From: Michael Roth To: CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v13 05/26] KVM: SEV: Select KVM_GENERIC_PRIVATE_MEM when CONFIG_KVM_AMD_SEV=y Date: Thu, 18 Apr 2024 14:41:12 -0500 Message-ID: <20240418194133.1452059-6-michael.roth@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240418194133.1452059-1-michael.roth@amd.com> References: <20240418194133.1452059-1-michael.roth@amd.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: SN1PEPF0002BA51:EE_|SA1PR12MB8120:EE_ X-MS-Office365-Filtering-Correlation-Id: 897adf2a-ee80-4d0a-1011-08dc5fe0cadb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(7416005)(1800799015)(36860700004)(376005)(82310400014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2024 19:50:25.9809 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 897adf2a-ee80-4d0a-1011-08dc5fe0cadb 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: SN1PEPF0002BA51.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8120 SEV-SNP relies on private memory support to run guests, so make sure to enable that support via the CONFIG_KVM_GENERIC_PRIVATE_MEM config option. Signed-off-by: Michael Roth --- arch/x86/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index d64fb2b3eb69..5e72faca4e8f 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -136,6 +136,7 @@ config KVM_AMD_SEV depends on KVM_AMD && X86_64 depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m) select ARCH_HAS_CC_PLATFORM + select KVM_GENERIC_PRIVATE_MEM help Provides support for launching Encrypted VMs (SEV) and Encrypted VMs with Encrypted State (SEV-ES) on AMD processors.