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Tsirkin" , Sean Christopherson , Richard Henderson Subject: [PATCH v6 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests Date: Tue, 26 Jan 2021 11:36:45 -0600 Message-Id: X-Mailer: git-send-email 2.30.0 In-Reply-To: References: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SN7PR04CA0220.namprd04.prod.outlook.com (2603:10b6:806:127::15) To DM5PR12MB1355.namprd12.prod.outlook.com (2603:10b6:3:6e::7) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from tlendack-t1.amd.com (165.204.77.1) by SN7PR04CA0220.namprd04.prod.outlook.com (2603:10b6:806:127::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.12 via Frontend Transport; Tue, 26 Jan 2021 17:37:20 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: a1aff093-a15c-4b33-6458-08d8c22108eb X-MS-TrafficTypeDiagnostic: DM6PR12MB4153: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:989; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Z4vwzT5MnsnRGPnwAlXM32A5MhJ+oQ+tx2huGnt3MhB1jK9B4IoDEQlQBVBbjgLb9PaF73I7OWxGsl48d8jscSveertwa3RuZdi8NSvT3Xp4hBbotg6fHE5koCpcXCwVaT27grva8nnT9WCBiMKSmlKXOzbA20C4u8ggnjXLWg0+MaUsgRttykGb+9wxV04KNQ45wlJXgn7HN7sP8NLTTqolnAoWqQNalJ3sfXEwYFvObXoXs2Gx+ZVlGkoY9sT3LczLmvw2KSpaS29vUXwsrSYpRpf0npJgNgm2dj4/pnPpqajqoUEmTodvbkvMTR1X4Zf+acrqEyPdKy6tPOBl4GOLfU8d2y62/olH0jMirRZNYxBnCAivdT2PhRoqHxhrcXc4ul6d8w7RqFlO/64+Bg== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM5PR12MB1355.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(39860400002)(376002)(396003)(346002)(136003)(8676002)(7696005)(52116002)(478600001)(6666004)(7416002)(4326008)(2906002)(66476007)(316002)(54906003)(5660300002)(26005)(2616005)(956004)(86362001)(36756003)(186003)(16526019)(6486002)(66946007)(8936002)(66556008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?rpnfQcbS9IUw046Y/QXgUGeERf5Uf7rOeSX3KZPoWcNj0hLWvM2OpFPBTFpb?= =?us-ascii?Q?HIAa1qDdvOqebDaz+GmrOrfs9hUBmQrzENtS7qfXeND6t3I8mTUWdPIe1fqT?= =?us-ascii?Q?aCSYQ87OgBhGsuYzRztziwAzGGyQzY6TvfDqE4eXpXz4iKC8yH+/a31jlPne?= =?us-ascii?Q?QEmmN7kOcbuUps5A4y2PVMdttAIL/d4TKwCjWNTjWe+L2KrNcJxh5Cs5jcK5?= =?us-ascii?Q?tlTS3izJlyMYSVnX7dvNdItqzK8Y/qgnh2yfJZJZ0fFtPQriKcpSbH+Sqgsz?= =?us-ascii?Q?5DoONepu3ax1Cix+WLIb+wJ1aIyg4MwGuDt6WIXbd0vX4Jk0003pnLNPpZSw?= =?us-ascii?Q?lVy2SgggMWLyeNEvc6J69/wcUvabs/cVh0Fb77TK18m1x3/18wm4gFJOV2FH?= =?us-ascii?Q?D2z+3D/7TUHpW+NVINrYli0+8/yVHqqWy+NKrdCtRu4vhfylMx3at2BYNz+n?= =?us-ascii?Q?qKzCID2B3bmZDuF1XPuPEYnRD3NV2+CuP/lDDzJzzyTQ/knp00bAV2HAiw+l?= =?us-ascii?Q?8HzH/Bgw2Vn0AlwKGKeThxmH9kxY26PvIO8kLuzk0xnkqDEO5FyBx2Chf+1N?= =?us-ascii?Q?BPBTPpymp6eP6IsUkjTv3p+PtM8xQkKX95LYILwEnHQla7WGK3kA+Un8ykEC?= =?us-ascii?Q?pKqFB9uc5NjJFKlrdLo/1JU1y1WNfoP119Mxz0I8CDnlPnlkOkH2+7ubUfiN?= =?us-ascii?Q?8X0WCJKt4HwWPeeCZznqaKd2cMFSTcXeFRc4GV0kNpKfngk8xS9AADdC7QCi?= =?us-ascii?Q?2QA3Rly9lbFM6QpTSCEzcP8ocYdcbt6D7HYA0GZKFLvJxZVSDbOru9Dav9pO?= =?us-ascii?Q?LMP2cholFd6gXquqFpKHbpO/md/rK+Hcg9ouwATqYo4nrooufA/pJdSB/pyx?= =?us-ascii?Q?j1XitLKkGvpTbosv5eTj9iC4gX+AImbWBu76n5sAEsSEciTjyE2h4YLR/lBX?= =?us-ascii?Q?6lIPp+YaGrfjHc3MNu5M0xlnZpUM2c213NVrk0waLz4MHoqJQo55nnT3duCm?= =?us-ascii?Q?5zcd4xwUTb7OQP9dF6/6ENXG3U46ngTAEIl5qaqAO5djmUxFar1fSypBnRKr?= =?us-ascii?Q?jdlBdvGs?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a1aff093-a15c-4b33-6458-08d8c22108eb X-MS-Exchange-CrossTenant-AuthSource: DM5PR12MB1355.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jan 2021 17:37:21.3968 (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: ChVEYz/Svh/X/msvDkfd92a2AJyma/f7jxB3BGvMau2zFElGKlWTYeDrkjdqIAiLVPM9Curg6F8lpXR3dfDMbg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4153 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Tom Lendacky In prep for AP booting, require the use of in-kernel irqchip support. This lessens the Qemu support burden required to boot APs. Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Tom Lendacky --- target/i386/sev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/i386/sev.c b/target/i386/sev.c index fce2128c07..ddec7ebaa7 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -776,6 +776,12 @@ sev_guest_init(const char *id) sev->api_minor = status.api_minor; if (sev_es_enabled()) { + if (!kvm_kernel_irqchip_allowed()) { + error_report("%s: SEV-ES guests require in-kernel irqchip support", + __func__); + goto err; + } + if (!(status.flags & SEV_STATUS_FLAGS_CONFIG_ES)) { error_report("%s: guest policy requires SEV-ES, but " "host SEV-ES support unavailable", -- 2.30.0