1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1998 Doug Rabson 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 January 15, 2017 32.Dt DEVICE_ATTACH 9 33.Os 34.Sh NAME 35.Nm DEVICE_ATTACH 36.Nd attach a device 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/bus.h 40.Ft int 41.Fn DEVICE_ATTACH "device_t dev" 42.Sh DESCRIPTION 43Attach a device to the system after the 44.Fn DEVICE_PROBE 45method has been called and has indicated that 46the device exists. 47The 48.Fn DEVICE_ATTACH 49method should initialize the hardware and allocate other 50system resources (such as 51.Xr devfs 5 52entries). 53.Pp 54Devices which implement buses should use this method to probe for 55the existence of devices attached to the bus and add them as 56children. 57If this is combined with the use of 58.Xr bus_generic_attach 9 59the child devices will be automatically probed and attached. 60.Sh RETURN VALUES 61Zero is returned on success, otherwise an appropriate error is returned. 62.Sh SEE ALSO 63.Xr devfs 5 , 64.Xr device 9 , 65.Xr DEVICE_DETACH 9 , 66.Xr DEVICE_IDENTIFY 9 , 67.Xr DEVICE_PROBE 9 , 68.Xr DEVICE_SHUTDOWN 9 69.Sh AUTHORS 70This manual page was written by 71.An Doug Rabson Aq Mt dfr@FreeBSD.org . 72