diff --git a/sys/dev/isp/isp_target.h b/sys/dev/isp/isp_target.h
index 5362987af071..c59e59ab6cf0 100644
--- a/sys/dev/isp/isp_target.h
+++ b/sys/dev/isp/isp_target.h
@@ -523,8 +523,8 @@ int isp_target_notify(struct ispsoftc *, void *, u_int16_t *);
  * Enable/Disable/Modify a logical unit.
  * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque)
  */
-#define	DFLT_CMND_CNT	32
-#define	DFLT_INOT_CNT	4
+#define	DFLT_CMND_CNT	0xfe	/* unmonitored */
+#define	DFLT_INOT_CNT	16
 int isp_lun_cmd(struct ispsoftc *, int, int, int, int, int, int, u_int32_t);
 
 /*
@@ -549,8 +549,10 @@ int isp_endcmd(struct ispsoftc *, void *, u_int32_t, u_int16_t);
 
 /*
  * Handle an asynchronous event
+ *
+ * Return nonzero if the interrupt that generated this event has been dismissed.
  */
 
-void isp_target_async(struct ispsoftc *, int, int);
+int isp_target_async(struct ispsoftc *, int, int);
 #endif
 #endif	/* _ISP_TARGET_H */