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Re: [Qemu-devel] Can we improve virtio data structures with QOM?

From: Markus Armbruster
Subject: Re: [Qemu-devel] Can we improve virtio data structures with QOM?
Date: Wed, 30 May 2012 18:28:19 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux)

Stefan Hajnoczi <address@hidden> writes:

> On Wed, May 30, 2012 at 1:01 PM, Markus Armbruster <address@hidden> wrote:
>> Ordinary device models have a single state struct.  The first member is
>> a DeviceState or a specialization of DeviceState, e.g. a PCIDevice.
>> Simple enough.
> I think Evgeny's virtio mmio patches change all this.  In the recent
> virtio-pci thread we were discussing how the virtio transport (mmio,
> pci) and virtio devices (net, blk, etc) fit together.  The email
> thread is "Virtio-pci issues" from Evgeny Voevodin
> <address@hidden>.

Thanks for the pointer.

It's been a couple of weeks.  Evgeny, are you still pursuing this?

> It probably makes sense to first merge Evgeny's virtio refactoring and
> then ensure it's nicely mapped to QOM.

Yes, no good attempting to do too much in one series.  Nevertheless,
having a sufficiently developed idea of the final state in mind helps.

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