Date: Sat, 26 Sep 2015 14:52:47 +0000 (UTC) From: "Conrad E. Meyer" <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r288271 - head/share/man/man9 Message-ID: <201509261452.t8QEqlMs018784@repo.freebsd.org>
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Author: cem Date: Sat Sep 26 14:52:47 2015 New Revision: 288271 URL: https://svnweb.freebsd.org/changeset/base/288271 Log: Document bus_get_resource(9). Suggested by: Francois Tigeot Obtained from: DragonFlyBSD 09301a2b29f3ae5edd39a858f909f8770372f71e Sponsored by: EMC / Isilon Storage Division Added: head/share/man/man9/bus_get_resource.9 (contents, props changed) Modified: head/share/man/man9/Makefile Modified: head/share/man/man9/Makefile ============================================================================== --- head/share/man/man9/Makefile Sat Sep 26 14:28:04 2015 (r288270) +++ head/share/man/man9/Makefile Sat Sep 26 14:52:47 2015 (r288271) @@ -39,6 +39,7 @@ MAN= accept_filter.9 \ bus_generic_print_child.9 \ bus_generic_read_ivar.9 \ bus_generic_shutdown.9 \ + bus_get_resource.9 \ BUS_NEW_PASS.9 \ BUS_PRINT_CHILD.9 \ BUS_READ_IVAR.9 \ Added: head/share/man/man9/bus_get_resource.9 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/man/man9/bus_get_resource.9 Sat Sep 26 14:52:47 2015 (r288271) @@ -0,0 +1,94 @@ +.\" +.\" Copyright (c) 2008 +.\" The DragonFly Project. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in +.\" the documentation and/or other materials provided with the +.\" distribution. +.\" 3. Neither the name of The DragonFly Project nor the names of its +.\" contributors may be used to endorse or promote products derived +.\" from this software without specific, prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, +.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT +.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $DragonFly: src/share/man/man9/bus_get_resource.9,v 1.1 2008/11/09 09:48:41 swildner Exp $ +.\" $FreeBSD$ +.\" +.Dd September 26, 2015 +.Dt BUS_GET_RESOURCE 9 +.Os +.Sh NAME +.Nm bus_get_resource +.Nd "read a resource range/value with a given resource ID" +.Sh SYNOPSIS +.In sys/param.h +.In sys/bus.h +.In sys/rman.h +.Ft int +.Fo bus_get_resource +.Fa "device_t dev" "int type" "int rid" "u_long *startp" "u_long *countp" +.Fc +.Sh DESCRIPTION +The +.Fn bus_get_resource +function reads the range or value of the resource +.Fa type , rid +pair and stores it in the +.Fa startp +and +.Fa countp +arguments. +.Pp +The arguments are as follows: +.Bl -tag -width ".Fa startp" +.It Fa dev +The device to read the resource from. +.It Fa type +The type of resource you want to read. +It is one of: +.Pp +.Bl -tag -width ".Dv SYS_RES_MEMORY" -compact +.It Dv SYS_RES_IRQ +for IRQs +.It Dv SYS_RES_DRQ +for ISA DMA lines +.It Dv SYS_RES_MEMORY +for I/O memory +.It Dv SYS_RES_IOPORT +for I/O ports +.El +.It Fa rid +A bus-specific handle that identifies the resource being read. +.It Fa startp +A pointer to the start address of this resource. +.It Fa countp +A pointer to the length of the resource. +For example, the size of the memory in bytes. +.El +.Sh RETURN VALUES +Zero is returned on success, otherwise an error is returned. +.Sh SEE ALSO +.Xr bus_set_resource 9 , +.Xr device 9 , +.Xr driver 9 +.Sh AUTHORS +This manual page was written by +.An Sascha Wildner .
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