1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2003 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 March 29, 2003 32.Dt BUS_SET_RESOURCE 9 33.Os 34.Sh NAME 35.Nm bus_set_resource 36.Nd "associate a definite resource with a given resource ID" 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/bus.h 40.Pp 41.In machine/bus.h 42.In sys/rman.h 43.In machine/resource.h 44.Ft int 45.Fo bus_set_resource 46.Fa "device_t dev" "int type" "int rid" "u_long start" "u_long count" 47.Fc 48.Sh DESCRIPTION 49The 50.Fn bus_set_resource 51function 52sets the start address of the resource 53.Fa type , rid 54pair to be 55.Fa count 56long. 57Typically, client drivers do not use this interface. 58Bus drivers, however, often use it to set up the resources a client 59driver uses. 60.Pp 61The arguments are as follows: 62.Bl -tag -width indent 63.It Fa dev 64The device to set the resource on. 65.It Fa type 66The type of resource you want to allocate. 67It is one of: 68.Pp 69.Bl -tag -width ".Dv SYS_RES_MEMORY" -compact 70.It Dv SYS_RES_IRQ 71for IRQs 72.It Dv SYS_RES_DRQ 73for ISA DMA lines 74.It Dv SYS_RES_IOPORT 75for I/O ports 76.It Dv SYS_RES_MEMORY 77for I/O memory 78.El 79.It Fa rid 80A bus-specific handle that identifies the resource being allocated. 81.It Fa start 82The start address of this resource. 83.It Fa count 84The length of the resource. 85For example, the size of the memory in bytes. 86.El 87.Sh RETURN VALUES 88Zero is returned on success, otherwise an error is returned. 89.Sh SEE ALSO 90.Xr bus_alloc_resource 9 , 91.Xr bus_get_resource 9 , 92.Xr device 9 , 93.Xr driver 9 94.Sh AUTHORS 95This manual page was written by 96.An Warner Losh Aq Mt imp@FreeBSD.org . 97