From owner-freebsd-hackers@freebsd.org  Tue Sep 29 20:42:25 2015
Return-Path: <owner-freebsd-hackers@freebsd.org>
Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id F2717A0AAF6
 for <freebsd-hackers@mailman.ysv.freebsd.org>;
 Tue, 29 Sep 2015 20:42:25 +0000 (UTC) (envelope-from jhb@freebsd.org)
Received: from bigwig.baldwin.cx (bigwig.baldwin.cx [IPv6:2001:470:1f11:75::1])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id CEC6B1BDF
 for <freebsd-hackers@freebsd.org>; Tue, 29 Sep 2015 20:42:25 +0000 (UTC)
 (envelope-from jhb@freebsd.org)
Received: from ralph.baldwin.cx (c-73-231-226-104.hsd1.ca.comcast.net
 [73.231.226.104])
 by bigwig.baldwin.cx (Postfix) with ESMTPSA id 342CEB918;
 Tue, 29 Sep 2015 16:42:24 -0400 (EDT)
From: John Baldwin <jhb@freebsd.org>
To: "Pokala, Ravi" <rpokala@panasas.com>
Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
Subject: Re: bus_.*_resource() and rid
Date: Tue, 29 Sep 2015 06:52:32 -0700
Message-ID: <6031931.XlHKqU7cUF@ralph.baldwin.cx>
User-Agent: KMail/4.14.3 (FreeBSD/10.2-PRERELEASE; KDE/4.14.3; amd64; ; )
In-Reply-To: <D22EDCCD.146B0A%rpokala@panasas.com>
References: <D214E963.145154%rpokala@panasas.com>
 <D22ED71B.146AE6%rpokala@panasas.com> <D22EDCCD.146B0A%rpokala@panasas.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7
 (bigwig.baldwin.cx); Tue, 29 Sep 2015 16:42:24 -0400 (EDT)
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers/>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 29 Sep 2015 20:42:26 -0000

On Monday, September 28, 2015 07:04:27 PM Pokala, Ravi wrote:
> -----Original Message-----
> From: Ravi Pokala <rpokala@panasas.com>
> Date: 2015-09-28, Monday at 11:52
> To: John Baldwin <jhb@freebsd.org>
> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
> Subject: Re: bus_.*_resource() and rid
> 
> >Hmm... perhaps:
> >
> >    struct resource_list *rl =
> >bus_get_resource_list(device_get_parent(dev), dev);
> >    rid = resource_list_add_next(rl, SYS_RES_IOPORT, start, end, count);
> >
> >I'll try that.
> 
> Err, never mind, resource_list_add_next() doesn't do what I was thinking
> it did. So, forget I said that. :-)

Yeah, it's only really for bus drivers to use internally when enumerating
resources (e.g. ACPI uses it when walking _CRS so that if there are multiple
memory resources they use rids 0 .. N).

-- 
John Baldwin