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Diffstat (limited to 'arch/x86/kvm/xen.c')
-rw-r--r--arch/x86/kvm/xen.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 0dae583c4a1d..244cf3cd858a 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -603,6 +603,15 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
r = 0;
break;
+ case KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID:
+ if (data->u.vcpu_id >= KVM_MAX_VCPUS)
+ r = -EINVAL;
+ else {
+ vcpu->arch.xen.vcpu_id = data->u.vcpu_id;
+ r = 0;
+ }
+ break;
+
default:
break;
}
@@ -678,6 +687,11 @@ int kvm_xen_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data)
r = -EINVAL;
break;
+ case KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID:
+ data->u.vcpu_id = vcpu->arch.xen.vcpu_id;
+ r = 0;
+ break;
+
default:
break;
}
@@ -1377,6 +1391,11 @@ static bool kvm_xen_hcall_evtchn_send(struct kvm_vcpu *vcpu, u64 param, u64 *r)
return true;
}
+void kvm_xen_init_vcpu(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.xen.vcpu_id = vcpu->vcpu_idx;
+}
+
void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu)
{
kvm_gfn_to_pfn_cache_destroy(vcpu->kvm,