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

From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH 0/2] Add get_dev_path callback to ISA bus.
Date: Mon, 25 Oct 2010 19:53:41 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

Gleb Natapov <address@hidden> writes:

> 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.

I'd prefer canonical bus addresses to be terse.  It's not the place to
give additional information.

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