1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 2a8821674b10..114a3f59c28b 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -527,6 +527,48 @@ int kvm_inject_s2_fault(struct kvm_vcpu *vcpu, u64 esr_el2)
 	return kvm_inject_nested_sync(vcpu, esr_el2);
 }
 
+void kvm_nested_s2_wp(struct kvm *kvm)
+{
+	int i;
+
+	lockdep_assert_held_write(&kvm->mmu_lock);
+
+	for (i = 0; i < kvm->arch.nested_mmus_size; i++) {
+		struct kvm_s2_mmu *mmu = &kvm->arch.nested_mmus[i];
+
+		if (kvm_s2_mmu_valid(mmu))
+			kvm_stage2_wp_range(mmu, 0, kvm_phys_size(mmu));
+	}
+}
+
+void kvm_nested_s2_unmap(struct kvm *kvm)
+{
+	int i;
+
+	lockdep_assert_held_write(&kvm->mmu_lock);
+
+	for (i = 0; i < kvm->arch.nested_mmus_size; i++) {
+		struct kvm_s2_mmu *mmu = &kvm->arch.nested_mmus[i];
+
+		if (kvm_s2_mmu_valid(mmu))
+			kvm_stage2_unmap_range(mmu, 0, kvm_phys_size(mmu));
+	}
+}
+
+void kvm_nested_s2_flush(struct kvm *kvm)
+{
+	int i;
+
+	lockdep_assert_held_write(&kvm->mmu_lock);
+
+	for (i = 0; i < kvm->arch.nested_mmus_size; i++) {
+		struct kvm_s2_mmu *mmu = &kvm->arch.nested_mmus[i];
+
+		if (kvm_s2_mmu_valid(mmu))
+			kvm_stage2_flush_range(mmu, 0, kvm_phys_size(mmu));
+	}
+}
+
 void kvm_arch_flush_shadow_all(struct kvm *kvm)
 {
 	int i;