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Sampat" To: CC: , , , , , , , Subject: [RFC 5/5] selftests: KVM: SEV-SNP test for KVM_SEV_INIT2 Date: Wed, 10 Jul 2024 17:05:40 -0500 Message-ID: <20240710220540.188239-6-pratikrajesh.sampat@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240710220540.188239-1-pratikrajesh.sampat@amd.com> References: <20240710220540.188239-1-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: BL6PEPF0001AB4A:EE_|SN7PR12MB7935:EE_ X-MS-Office365-Filtering-Correlation-Id: 86c4b485-eb53-4f86-a22a-08dca12c9872 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|82310400026|1800799024|36860700013; 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)(376014)(82310400026)(1800799024)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jul 2024 22:06:48.4456 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 86c4b485-eb53-4f86-a22a-08dca12c9872 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: BL6PEPF0001AB4A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7935 Add SEV-SNP VM type to exercise the KVM_SEV_INIT2 call. 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 7a4a61be119b..68f7edaa5526 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_cpu_has(X86_FEATURE_SNP); + TEST_ASSERT(have_snp == !!(kvm_check_cap(KVM_CAP_VM_TYPES) & BIT(KVM_X86_SNP_VM)), + "sev-snp: KVM_CAP_VM_TYPES (%x) does not match cpuid (checking %x)", + kvm_check_cap(KVM_CAP_VM_TYPES), 1 << 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; }