D30853.id91468.diff
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D30853.id91468.diff
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	diff --git a/sys/cam/cam_xpt.h b/sys/cam/cam_xpt.h
	--- a/sys/cam/cam_xpt.h
	+++ b/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_sim_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, ...);
	diff --git a/sys/cam/cam_xpt.c b/sys/cam/cam_xpt.c
	--- a/sys/cam/cam_xpt.c
	+++ b/sys/cam/cam_xpt.c
	@@ -5574,7 +5574,23 @@
	}
	}

	-struct kv
	+/**
	+ * @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_sim_device(const struct cam_path *path)
	+{
	+ return (path->bus->parent_dev);
	+}
	+
	+struct kv
	{
	uint32_t v;
	const char *name;