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Thu, 30 May 2024 06:16:51 -0500 From: Pankaj Gupta To: CC: , , , , , , , , , , , Subject: [PATCH v4 12/31] i386/sev: Don't return launch measurements for SEV-SNP guests Date: Thu, 30 May 2024 06:16:24 -0500 Message-ID: <20240530111643.1091816-13-pankaj.gupta@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240530111643.1091816-1-pankaj.gupta@amd.com> References: <20240530111643.1091816-1-pankaj.gupta@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B072:EE_|DM4PR12MB7501:EE_ X-MS-Office365-Filtering-Correlation-Id: 5047e8d4-ba08-4444-3f6b-08dc809a0209 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230031|36860700004|376005|1800799015|82310400017; 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)(36860700004)(376005)(1800799015)(82310400017); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2024 11:16:52.6934 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5047e8d4-ba08-4444-3f6b-08dc809a0209 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: BN3PEPF0000B072.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7501 Received-SPF: permerror client-ip=2a01:111:f403:2415::601; envelope-from=Pankaj.Gupta@amd.com; helo=NAM11-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Michael Roth For SEV-SNP guests, launch measurement is queried from within the guest during attestation, so don't attempt to return it as part of query-sev-launch-measure. Signed-off-by: Michael Roth Signed-off-by: Pankaj Gupta --- target/i386/sev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index 56c1cce8e7..458ff5040d 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -803,7 +803,9 @@ sev_launch_get_measure(Notifier *notifier, void *unused) static char *sev_get_launch_measurement(void) { - SevGuestState *sev_guest = SEV_GUEST(MACHINE(qdev_get_machine())->cgs); + ConfidentialGuestSupport *cgs = MACHINE(qdev_get_machine())->cgs; + SevGuestState *sev_guest = + (SevGuestState *)object_dynamic_cast(OBJECT(cgs), TYPE_SEV_GUEST); if (sev_guest && SEV_COMMON(sev_guest)->state >= SEV_STATE_LAUNCH_SECRET) {