Index: sys/cam/cam_xpt.h
===================================================================
--- sys/cam/cam_xpt.h
+++ sys/cam/cam_xpt.h
@@ -113,6 +113,7 @@
 lun_id_t		xpt_path_lun_id(struct cam_path *path);
 struct cam_sim		*xpt_path_sim(struct cam_path *path);
 struct cam_periph	*xpt_path_periph(struct cam_path *path);
+device_t		xpt_path_device(const struct cam_path *path);
 void			xpt_print_path(struct cam_path *path);
 void			xpt_print_device(struct cam_ed *device);
 void			xpt_print(struct cam_path *path, const char *fmt, ...);
Index: sys/cam/cam_xpt.c
===================================================================
--- sys/cam/cam_xpt.c
+++ sys/cam/cam_xpt.c
@@ -5574,6 +5574,22 @@
 	}
 }
 
+/**
+ * @brief Return the device_t associated with the path
+ *
+ * When a SIM is created, it registers a bus with a NEWBUS device_t. This is
+ * stored in the internal cam_eb bus structure. There is no guarnatee any given
+ * path will have a @c device_t associated with it (it's legal to call @c
+ * xpt_bus_register with a @c NULL @c device_t.
+ *
+ * @param path		Path to return the device_t for.
+ */
+device_t
+xpt_path_device(const struct cam_path *path)
+{
+	return (path->bus->parent_dev);
+}
+
 struct kv 
 {
 	uint32_t v;