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Peter Anvin" , Krish Sadhukhan , Peter Gonda Subject: [PATCH v2 11/13] KVM: selftests: add support for creating SEV-ES guests Date: Thu, 16 Dec 2021 11:13:56 -0600 Message-ID: <20211216171358.61140-12-michael.roth@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211216171358.61140-1-michael.roth@amd.com> References: <20211216171358.61140-1-michael.roth@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB03.amd.com (10.181.40.144) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ea365090-423f-421e-6a9d-08d9c0b7ab78 X-MS-TrafficTypeDiagnostic: CH2PR12MB4071:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; 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:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(36840700001)(46966006)(40470700001)(70586007)(70206006)(426003)(47076005)(1076003)(356005)(6666004)(2906002)(316002)(40460700001)(4326008)(36756003)(86362001)(82310400004)(7416002)(81166007)(44832011)(508600001)(83380400001)(54906003)(2616005)(16526019)(186003)(5660300002)(26005)(8936002)(6916009)(8676002)(36860700001)(336012)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Dec 2021 17:15:33.7198 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ea365090-423f-421e-6a9d-08d9c0b7ab78 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT054.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4071 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Only a couple KVM_SEV_* ioctls need to be handled differently for SEV-ES. Do so when the specified policy indicates SEV-ES support. Signed-off-by: Michael Roth --- tools/testing/selftests/kvm/lib/x86_64/sev.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/lib/x86_64/sev.c b/tools/testing/selftests/kvm/lib/x86_64/sev.c index 4a99862d62e6..181be03f5a10 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/sev.c +++ b/tools/testing/selftests/kvm/lib/x86_64/sev.c @@ -182,14 +182,18 @@ struct sev_vm *sev_vm_create(uint32_t policy, uint64_t npages) return NULL; sev->sev_policy = policy; - kvm_sev_ioctl(sev, KVM_SEV_INIT, NULL); + if (sev->sev_policy & SEV_POLICY_ES) + kvm_sev_ioctl(sev, KVM_SEV_ES_INIT, NULL); + else + kvm_sev_ioctl(sev, KVM_SEV_INIT, NULL); vm_set_memory_encryption(vm, true, true, sev->enc_bit); vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, 0, 0, npages, 0); sev_register_user_region(sev, addr_gpa2hva(vm, 0), npages * vm_get_page_size(vm)); - pr_info("SEV guest created, policy: 0x%x, size: %lu KB\n", + pr_info("%s guest created, policy: 0x%x, size: %lu KB\n", + (sev->sev_policy & SEV_POLICY_ES) ? "SEV-ES" : "SEV", sev->sev_policy, npages * vm_get_page_size(vm) / 1024); return sev; @@ -211,6 +215,9 @@ void sev_vm_launch(struct sev_vm *sev) "Unexpected guest state: %d", ksev_status.state); sev_encrypt(sev); + + if (sev->sev_policy & SEV_POLICY_ES) + kvm_sev_ioctl(sev, KVM_SEV_LAUNCH_UPDATE_VMSA, NULL); } void sev_vm_launch_measure(struct sev_vm *sev, uint8_t *measurement) -- 2.25.1