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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2025 09:04:44.2363 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c60805c5-3f28-43fe-6d69-08dd57d6f198 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: SJ1PEPF00001CDF.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7124 Initialize lapic's guest_apic_protected for Secure AVIC guests. This is only an initialization commit and actual support for creating Secure AVIC enabled guests and injecting interrupts would be added in later commits. Signed-off-by: Neeraj Upadhyay --- arch/x86/kvm/svm/svm.c | 3 +++ arch/x86/kvm/svm/svm.h | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 456d841298f7..d4191c0a0133 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1442,6 +1442,9 @@ static int svm_vcpu_create(struct kvm_vcpu *vcpu) if (!vmcb01_page) goto out; + if (sev_savic_active(vcpu->kvm)) + vcpu->arch.apic->guest_apic_protected = APIC_STATE_PROTECTED_INJECTED_INTR; + if (sev_es_guest(vcpu->kvm)) { /* * SEV-ES guests require a separate VMSA page used to contain diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 9d7cdb8fbf87..7cde221e477e 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -756,6 +756,10 @@ void sev_snp_init_protected_guest_state(struct kvm_vcpu *vcpu); int sev_gmem_prepare(struct kvm *kvm, kvm_pfn_t pfn, gfn_t gfn, int max_order); void sev_gmem_invalidate(kvm_pfn_t start, kvm_pfn_t end); int sev_private_max_mapping_level(struct kvm *kvm, kvm_pfn_t pfn); +static inline bool sev_savic_active(struct kvm *kvm) +{ + return to_kvm_sev_info(kvm)->vmsa_features & SVM_SEV_FEAT_SECURE_AVIC; +} #else static inline struct page *snp_safe_alloc_page_node(int node, gfp_t gfp) { @@ -786,6 +790,7 @@ static inline int sev_private_max_mapping_level(struct kvm *kvm, kvm_pfn_t pfn) { return 0; } +static inline bool sev_savic_active(struct kvm *kvm) { return false; } #endif