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Re: [Qemu-devel] [PATCH 0/2] Add get_dev_path callback to ISA bus.


From: Gleb Natapov
Subject: Re: [Qemu-devel] [PATCH 0/2] Add get_dev_path callback to ISA bus.
Date: Mon, 25 Oct 2010 19:00:07 +0200

On Mon, Oct 25, 2010 at 05:10:15PM +0200, Markus Armbruster wrote:
> Gleb Natapov <address@hidden> 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.



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