1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2006 M. Warner Losh 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" $FreeBSD$ 30.\" 31.Dd May 23, 2006 32.Dt DEVICE_GET_SYSCTL 9 33.Os 34.Sh NAME 35.Nm device_get_sysctl_ctx , 36.Nm device_get_sysctl_tree 37.Nd manipulate the sysctl oid tree for driver specific sysctl nodes 38.Sh SYNOPSIS 39.In sys/param.h 40.In sys/bus.h 41.Ft "struct sysctl_ctx_list *" 42.Fn device_get_sysctl_ctx "device_t dev" 43.Ft "struct sysctl_oid *" 44.Fn device_get_sysctl_tree "device_t dev" 45.Sh DESCRIPTION 46The newbus system automatically adds a sysctl node for each device 47in the system. 48This node can be accessed with the 49.Fn device_get_sysctl_tree 50function. 51The context for the node can be obtained with the 52.Fn device_get_sysctl_ctl 53function. 54.Sh SEE ALSO 55.Xr device 9 56.Sh AUTHORS 57This manual page was written by 58.An Warner Losh . 59