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Date: Mon, 25 Oct 2010 19:00:07 +0200
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 0/2] Add get_dev_path callback to ISA bus.
Message-ID: <20101025170007.GC31633@redhat.com>
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To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org

On Mon, Oct 25, 2010 at 05:10:15PM +0200, Markus Armbruster wrote:
> Gleb Natapov <gleb@redhat.com> writes:
> 
> > PCI bus already has one. For ISA bus this patch series uses device's
> > ioports to uniquely describe it. For isa-ide, for example, get_dev_path
> > method returns:
> > 01f0-01f7,03f6 for first IDE controller
> > 0170-0177,0376 for second one
> 
> Any I/O port used by the device identifies it.  I'd say a common
> identifier is the "I/O base", the lowest I/O port used.
So use only first port from the string. More information is better then
less information. You can always drop information you do not need.

--
			Gleb.