1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2001 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 1, 2001 32.Dt RESOURCE_INT_VALUE 9 33.Os FreeBSD 34.Sh NAME 35.Nm resource_int_value , resource_long_value , resource_string_value 36.Nd get a value from the hints mechanism 37.Sh SYNOPSIS 38.Fd #include <sys/bus.h> 39.Ft int 40.Fn resource_int_value "const char *name" "int unit" "const char *resname" "int *result" 41.Ft int 42.Fn resource_long_value "const char *name" "int unit" "const char *resname" "long *result" 43.Ft int 44.Fn resource_string_value "const char *name" "int unit" "const char *resname" "char **result" 45.Sh DESCRIPTION 46These functions fetch a value from the 47.Dq hints 48mechanism. 49.Pp 50The functions take the following arguments: 51.Bl -tag -width "resname" 52.It Fa name 53The name of the device to get the resource value from. 54.It Fa unit 55The unit number of the device. 56\-1 is special and is used for wildcard entries. 57.It Fa resname 58The resource name. 59.It Fa result 60A pointer to memory in which to store the resource value. 61.El 62.Sh RETURN VALUES 63If successful, the functions return 0. 64Otherwise, a non\-zero error code is returned. 65.Sh ERRORS 66The functions will fail if: 67.Bl -tag -width Er 68.It Bq Er ENOENT 69The resource could not be found. 70.It Bq Er EFTYPE 71Inappropriate resource type. 72.El 73.Sh SEE ALSO 74.Xr device 9 , 75.Xr driver 9 76.Sh AUTHORS 77This manual page was written by 78.An Warner Losh Aq imp@FreeBSD.org . 79