diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index 529383fc33a7..53c74d120aa0 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -659,6 +659,16 @@ static struct kvm_vcpu *__get_host_hyp_vcpus(struct kvm_vcpu *arg, __get_host_hyp_vcpus(__vcpu, hyp_vcpup); \ }) +#define get_host_hyp_vcpus_from_vgic_v3_cpu_if(ctxt, regnr, hyp_vcpup) \ + ({ \ + DECLARE_REG(struct vgic_v3_cpu_if *, cif, ctxt, regnr); \ + struct kvm_vcpu *__vcpu = container_of(cif, \ + struct kvm_vcpu, \ + arch.vgic_cpu.vgic_v3); \ + \ + __get_host_hyp_vcpus(__vcpu, hyp_vcpup); \ + }) + static void handle___kvm_vcpu_run(struct kvm_cpu_context *host_ctxt) { struct pkvm_hyp_vcpu *hyp_vcpu; @@ -837,16 +847,63 @@ static void handle___kvm_get_mdcr_el2(struct kvm_cpu_context *host_ctxt) static void handle___vgic_v3_save_vmcr_aprs(struct kvm_cpu_context *host_ctxt) { - DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1); + struct pkvm_hyp_vcpu *hyp_vcpu; + struct kvm_vcpu *host_vcpu; - __vgic_v3_save_vmcr_aprs(kern_hyp_va(cpu_if)); + host_vcpu = get_host_hyp_vcpus_from_vgic_v3_cpu_if(host_ctxt, 1, + &hyp_vcpu); + if (!host_vcpu) + return; + + if (unlikely(hyp_vcpu)) { + struct vgic_v3_cpu_if *hyp_cpu_if, *host_cpu_if; + int i; + + hyp_cpu_if = &hyp_vcpu->vcpu.arch.vgic_cpu.vgic_v3; + __vgic_v3_save_vmcr_aprs(hyp_cpu_if); + + host_cpu_if = &host_vcpu->arch.vgic_cpu.vgic_v3; + host_cpu_if->vgic_vmcr = hyp_cpu_if->vgic_vmcr; + for (i = 0; i < ARRAY_SIZE(host_cpu_if->vgic_ap0r); i++) { + host_cpu_if->vgic_ap0r[i] = hyp_cpu_if->vgic_ap0r[i]; + host_cpu_if->vgic_ap1r[i] = hyp_cpu_if->vgic_ap1r[i]; + } + } else { + __vgic_v3_save_vmcr_aprs(&host_vcpu->arch.vgic_cpu.vgic_v3); + } } static void handle___vgic_v3_restore_vmcr_aprs(struct kvm_cpu_context *host_ctxt) { - DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1); + struct pkvm_hyp_vcpu *hyp_vcpu; + struct kvm_vcpu *host_vcpu; - __vgic_v3_restore_vmcr_aprs(kern_hyp_va(cpu_if)); + host_vcpu = get_host_hyp_vcpus_from_vgic_v3_cpu_if(host_ctxt, 1, + &hyp_vcpu); + if (!host_vcpu) + return; + + if (unlikely(hyp_vcpu)) { + struct vgic_v3_cpu_if *hyp_cpu_if, *host_cpu_if; + int i; + + hyp_cpu_if = &hyp_vcpu->vcpu.arch.vgic_cpu.vgic_v3; + host_cpu_if = &host_vcpu->arch.vgic_cpu.vgic_v3; + + hyp_cpu_if->vgic_vmcr = host_cpu_if->vgic_vmcr; + /* Should be a one-off */ + hyp_cpu_if->vgic_sre = (ICC_SRE_EL1_DIB | + ICC_SRE_EL1_DFB | + ICC_SRE_EL1_SRE); + for (i = 0; i < ARRAY_SIZE(host_cpu_if->vgic_ap0r); i++) { + hyp_cpu_if->vgic_ap0r[i] = host_cpu_if->vgic_ap0r[i]; + hyp_cpu_if->vgic_ap1r[i] = host_cpu_if->vgic_ap1r[i]; + } + + __vgic_v3_restore_vmcr_aprs(hyp_cpu_if); + } else { + __vgic_v3_restore_vmcr_aprs(&host_vcpu->arch.vgic_cpu.vgic_v3); + } } static void handle___pkvm_init(struct kvm_cpu_context *host_ctxt)