1.\" 2.\" Copyright (c) 2003 M. Warner Losh 3.\" 4.\" All rights reserved. 5.\" 6.\" This program is free software. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $FreeBSD: src/share/man/man9/bus_set_resource.9,v 1.5 2005/06/28 20:15:18 hmp Exp $ 29.\" 30.Dd October 4, 2011 31.Dt BUS_SET_RESOURCE 9 32.Os 33.Sh NAME 34.Nm bus_set_resource 35.Nd "associate a definite resource with a given resource ID" 36.Sh SYNOPSIS 37.In sys/param.h 38.In sys/bus.h 39.In sys/rman.h 40.Ft int 41.Fo bus_set_resource 42.Fa "device_t dev" "int type" "int rid" "u_long start" "u_long count" "int cpuid" 43.Fc 44.Sh DESCRIPTION 45The 46.Fn bus_set_resource 47function 48sets the 49.Fa start 50address of the resource 51.Fa type , rid 52pair to be 53.Fa count 54long. 55Typically, client drivers do not use this interface. 56Bus drivers, however, often use it to set up the resources a client driver 57uses. 58.Pp 59The arguments are as follows: 60.Bl -tag -width ".Fa start" 61.It Fa dev 62The device to set the resource on. 63.It Fa type 64The type of resource you want to allocate. 65It is one of: 66.Pp 67.Bl -tag -width ".Dv SYS_RES_MEMORY" -compact 68.It Dv SYS_RES_IRQ 69for IRQs 70.It Dv SYS_RES_DRQ 71for ISA DMA lines 72.It Dv SYS_RES_MEMORY 73for I/O memory 74.It Dv SYS_RES_IOPORT 75for I/O ports 76.El 77.It Fa rid 78A bus-specific handle that identifies the resource being allocated. 79.It Fa start 80The start address of this resource. 81.It Fa count 82The length of the resource. 83For example, the size of the memory in bytes. 84.It Fa cpuid 85Owner CPU for interrupt resources. Other resource types, e.g. 86IOPORT, MEMORY and DRQ, are shared across CPUs, so this parameter 87has to be set to -1 88.El 89.Sh RETURN VALUES 90Zero is returned on success, otherwise an error is returned. 91.Sh SEE ALSO 92.Xr bus_alloc_resource 9 , 93.Xr bus_get_resource 9 , 94.Xr device 9 , 95.Xr driver 9 96.Sh AUTHORS 97This manual page was written by 98.An Warner Losh Aq Mt imp@FreeBSD.org . 99