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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 17:10:15 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

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.



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