1.\" $NetBSD: drvctl.8,v 1.3 2006/09/22 04:37:36 thorpej Exp $ 2.\" 3.\" Copyright (c) 2004 4.\" Matthias Drochner. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd September 21, 2006 28.Dt DRVCTL 8 29.Os 30.Sh NAME 31.Nm drvctl 32.Nd tool to rescan busses and detach devices on user request 33.Sh SYNOPSIS 34.Nm 35.Fl r 36.Op Fl a Ar attribute 37.Ar busdevice 38.Op locator ... 39.Nm 40.Fl d 41.Ar device 42.Nm 43.Fl p 44.Ar device 45.Sh DESCRIPTION 46The 47.Nm 48program works with the 49.Xr drvctl 4 50pseudo-driver, and allows to rescan busses and to detach 51drivers from devices. 52.Pp 53The following options are available: 54.Bl -tag -width 123456 55.It Fl r 56Rescan the bus given by the 57.Ar busdevice 58argument. 59The scan range can be restricted by an optional 60.Ar locator 61list. 62.It Fl a 63Give the interface attribute where children are to be 64attached to (and which defines the interpretation of 65the locator information). 66This will only be needed in rare cases where the bus 67has multiple attributes. 68.It Fl d 69Detach the device driver from the device given by the 70.Ar device 71argument. 72.It Fl p 73Get the properties for the device specified by the 74.Ar device 75argument. 76The properties are displayed as an XML property list. 77.El 78.Sh FILES 79.Pa /dev/drvctl 80.Sh SEE ALSO 81.Xr proplib 3 , 82.Xr drvctl 4 , 83.Xr autoconf 9 84.Sh BUGS 85Currently, there is no good way to get information about locator 86lengths and default values (which is present at kernel configuration 87time) out of a running kernel. 88Thus the locator handling is less intelligent as it could be. 89