diff --git a/lib/libvmmapi/vmmapi.h b/lib/libvmmapi/vmmapi.h
--- a/lib/libvmmapi/vmmapi.h
+++ b/lib/libvmmapi/vmmapi.h
@@ -33,6 +33,7 @@
 
 #include <sys/param.h>
 #include <sys/cpuset.h>
+#include <machine/vmm.h>
 #include <machine/vmm_dev.h>
 
 #include <stdbool.h>
@@ -117,6 +118,7 @@
 int	vm_create(const char *name);
 int	vm_get_device_fd(struct vmctx *ctx);
 struct vmctx *vm_open(const char *name);
+void	vm_close(struct vmctx *ctx);
 void	vm_destroy(struct vmctx *ctx);
 int	vm_parse_memsize(const char *optarg, size_t *memsize);
 int	vm_setup_memory(struct vmctx *ctx, size_t len, enum vm_mmap_style s);
diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c
--- a/lib/libvmmapi/vmmapi.c
+++ b/lib/libvmmapi/vmmapi.c
@@ -140,6 +140,15 @@
 	return (NULL);
 }
 
+void
+vm_close(struct vmctx *vm)
+{
+	assert(vm != NULL);
+
+	close(vm->fd);
+	free(vm);
+}
+
 void
 vm_destroy(struct vmctx *vm)
 {