diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index 6c82f6de0644..b43a4f18180b 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -5646,6 +5646,7 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int fflag,
 	case DEV_CLEAR_DRIVER:
 	case DEV_RESCAN:
 	case DEV_DELETE:
+	case DEV_RESET:
 		error = priv_check(td, PRIV_DRIVER);
 		if (error == 0)
 			error = find_device(req, &dev);
@@ -5871,6 +5872,14 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t data, int fflag,
 			device_frozen = false;
 		}
 		break;
+	case DEV_RESET:
+		if ((req->dr_flags & ~(DEVF_RESET_DETACH)) != 0) {
+			error = EINVAL;
+			break;
+		}
+		error = BUS_RESET_CHILD(device_get_parent(dev), dev,
+		    req->dr_flags);
+		break;
 	}
 	mtx_unlock(&Giant);
 	return (error);
diff --git a/sys/sys/bus.h b/sys/sys/bus.h
index a9fc2387eccf..9c2b92af2983 100644
--- a/sys/sys/bus.h
+++ b/sys/sys/bus.h
@@ -130,6 +130,7 @@ struct devreq {
 #define	DEV_DELETE	_IOW('D', 10, struct devreq)
 #define	DEV_FREEZE	_IOW('D', 11, struct devreq)
 #define	DEV_THAW	_IOW('D', 12, struct devreq)
+#define	DEV_RESET	_IOW('D', 13, struct devreq)
 
 /* Flags for DEV_DETACH and DEV_DISABLE. */
 #define	DEVF_FORCE_DETACH	0x0000001