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Sampat" To: CC: , , , , , , , Subject: [PATCH v2 6/9] KVM: selftests: SEV-SNP test for KVM_SEV_INIT2 Date: Fri, 16 Aug 2024 14:23:07 -0500 Message-ID: <20240816192310.117456-7-pratikrajesh.sampat@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240816192310.117456-1-pratikrajesh.sampat@amd.com> References: <20240816192310.117456-1-pratikrajesh.sampat@amd.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: SJ1PEPF00001CEA:EE_|IA0PR12MB7750:EE_ X-MS-Office365-Filtering-Correlation-Id: 163ada2e-b03e-40e9-e198-08dcbe290b53 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|36860700013|1800799024|82310400026|376014; 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:(13230040)(36860700013)(1800799024)(82310400026)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2024 19:24:27.1344 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 163ada2e-b03e-40e9-e198-08dcbe290b53 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: SJ1PEPF00001CEA.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7750 Add SEV-SNP VM type to exercise the KVM_SEV_INIT2 call. Also ensure that SNP case is skipped for scenarios where CPUID supports it but KVM does not so that a failure is not reported for such cases. Signed-off-by: Pratik R. Sampat --- .../testing/selftests/kvm/x86_64/sev_init2_tests.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/testing/selftests/kvm/x86_64/sev_init2_tests.c b/tools/testing/selftests/kvm/x86_64/sev_init2_tests.c index 3fb967f40c6a..3f8fb2cc3431 100644 --- a/tools/testing/selftests/kvm/x86_64/sev_init2_tests.c +++ b/tools/testing/selftests/kvm/x86_64/sev_init2_tests.c @@ -28,6 +28,7 @@ int kvm_fd; u64 supported_vmsa_features; bool have_sev_es; +bool have_snp; static int __sev_ioctl(int vm_fd, int cmd_id, void *data) { @@ -83,6 +84,9 @@ void test_vm_types(void) if (have_sev_es) test_init2(KVM_X86_SEV_ES_VM, &(struct kvm_sev_init){}); + if (have_snp) + test_init2(KVM_X86_SNP_VM, &(struct kvm_sev_init){}); + test_init2_invalid(0, &(struct kvm_sev_init){}, "VM type is KVM_X86_DEFAULT_VM"); if (kvm_check_cap(KVM_CAP_VM_TYPES) & BIT(KVM_X86_SW_PROTECTED_VM)) @@ -138,15 +142,24 @@ int main(int argc, char *argv[]) "sev-es: KVM_CAP_VM_TYPES (%x) does not match cpuid (checking %x)", kvm_check_cap(KVM_CAP_VM_TYPES), 1 << KVM_X86_SEV_ES_VM); + have_snp = kvm_check_cap(KVM_CAP_VM_TYPES) & BIT(KVM_X86_SNP_VM); + TEST_ASSERT(!have_snp || kvm_cpu_has(X86_FEATURE_SNP), + "sev-snp: KVM_CAP_VM_TYPES (%x) indicates SNP support (bit %d), but CPUID does not", + kvm_check_cap(KVM_CAP_VM_TYPES), KVM_X86_SNP_VM); + test_vm_types(); test_flags(KVM_X86_SEV_VM); if (have_sev_es) test_flags(KVM_X86_SEV_ES_VM); + if (have_snp) + test_flags(KVM_X86_SNP_VM); test_features(KVM_X86_SEV_VM, 0); if (have_sev_es) test_features(KVM_X86_SEV_ES_VM, supported_vmsa_features); + if (have_snp) + test_features(KVM_X86_SNP_VM, supported_vmsa_features); return 0; }