diff options
| -rw-r--r-- | virt/kvm/arm/hyp/vgic-v3-sr.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index a8a58dedc38e..15b557697086 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -884,6 +884,27 @@ spurious: vcpu_set_reg(vcpu, rt, lr_val & ICH_LR_VIRTUAL_ID_MASK); } +static void __hyp_text __vgic_v3_read_pmr(struct kvm_vcpu *vcpu, + u32 vmcr, int rt) +{ + vmcr &= ICH_VMCR_PMR_MASK; + vmcr >>= ICH_VMCR_PMR_SHIFT; + vcpu_set_reg(vcpu, rt, vmcr); +} + +static void __hyp_text __vgic_v3_write_pmr(struct kvm_vcpu *vcpu, + u32 vmcr, int rt) +{ + u32 val = vcpu_get_reg(vcpu, rt); + + val <<= ICH_VMCR_PMR_SHIFT; + val &= ICH_VMCR_PMR_MASK; + vmcr &= ~ICH_VMCR_PMR_MASK; + vmcr |= val; + + write_gicreg(vmcr, ICH_VMCR_EL2); +} + static void __hyp_text __vgic_v3_read_rpr(struct kvm_vcpu *vcpu, u32 vmcr, int rt) { @@ -1029,6 +1050,12 @@ int __hyp_text __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu) else fn = __vgic_v3_write_ctlr; break; + case SYS_ICC_PMR_EL1: + if (is_read) + fn = __vgic_v3_read_pmr; + else + fn = __vgic_v3_write_pmr; + break; default: return 0; } |