1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2009 Hudson River Trading LLC 4.\" Written by: John H. Baldwin <jhb@FreeBSD.org> 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd June 8, 2009 29.Dt BUS_NEW_PASS 9 30.Os 31.Sh NAME 32.Nm BUS_NEW_PASS 33.Nd "notify a bus that the pass level has been changed" 34.Sh SYNOPSIS 35.In sys/param.h 36.In sys/bus.h 37.Ft void 38.Fn BUS_NEW_PASS "device_t dev" 39.Sh DESCRIPTION 40The 41.Fn BUS_NEW_PASS 42method is called on each bus device to rescan the device tree when the pass 43level has been changed. 44This method is responsible for invoking 45.Nm 46on child bus devices to propagate the rescan to child devices. 47It is also responsible for reprobing any unattached child devices and 48allowing drivers for the current pass to identify new children. 49A default implementation is provided by 50.Xr bus_generic_new_pass 9 . 51.Sh SEE ALSO 52.Xr bus_generic_new_pass 9 , 53.Xr bus_set_pass 9 , 54.Xr device 9 55