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.Dd January 15, 2017 30.Dt DEVICE_ATTACH 9 31.Os 32.Sh NAME 33.Nm DEVICE_ATTACH 34.Nd attach a device 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/bus.h 38.Ft int 39.Fn DEVICE_ATTACH "device_t dev" 40.Sh DESCRIPTION 41Attach a device to the system after the 42.Fn DEVICE_PROBE 43method has been called and has indicated that 44the device exists. 45The 46.Fn DEVICE_ATTACH 47method should initialize the hardware and allocate other 48system resources (such as 49.Xr devfs 4 50entries). 51.Pp 52Devices which implement buses should use this method to probe for 53the existence of devices attached to the bus and add them as 54children. 55If this is combined with the use of 56.Xr bus_generic_attach 9 57the child devices will be automatically probed and attached. 58.Sh RETURN VALUES 59Zero is returned on success, otherwise an appropriate error is returned. 60.Sh SEE ALSO 61.Xr devfs 4 , 62.Xr device 9 , 63.Xr DEVICE_DETACH 9 , 64.Xr DEVICE_IDENTIFY 9 , 65.Xr DEVICE_PROBE 9 , 66.Xr DEVICE_SHUTDOWN 9 67.Sh AUTHORS 68This manual page was written by 69.An Doug Rabson Aq Mt dfr@FreeBSD.org . 70