diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c
index 077a46b4f6c..d88b6941873 100644
--- a/lib/libvmmapi/vmmapi.c
+++ b/lib/libvmmapi/vmmapi.c
@@ -313,6 +313,16 @@ vm_build_tables(struct vmctx *ctxt, int ncpu, void *oemtbl, int oemtblsz)
 				 oemtbl, oemtblsz));
 }
 
+int
+vm_apicid2vcpu(struct vmctx *ctx, int apicid)
+{
+	/*
+	 * The apic id associated with the 'vcpu' has the same numerical value
+	 * as the 'vcpu' itself.
+	 */
+	return (apicid);
+}
+
 int
 vm_lapic_irq(struct vmctx *ctx, int vcpu, int vector)
 {
diff --git a/lib/libvmmapi/vmmapi.h b/lib/libvmmapi/vmmapi.h
index 7b664215c63..a21631971bb 100644
--- a/lib/libvmmapi/vmmapi.h
+++ b/lib/libvmmapi/vmmapi.h
@@ -60,6 +60,7 @@ int	vm_run(struct vmctx *ctx, int vcpu, uint64_t rip,
 	       struct vm_exit *ret_vmexit);
 int	vm_build_tables(struct vmctx *ctxt, int ncpus, void *oemtbl,
 			int oemtblsz);
+int	vm_apicid2vcpu(struct vmctx *ctx, int apicid);
 int	vm_inject_event(struct vmctx *ctx, int vcpu, enum vm_event_type type,
 			int vector);
 int	vm_inject_event2(struct vmctx *ctx, int vcpu, enum vm_event_type type,