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[Qemu-devel] Virtio devices with mmio.
From: |
KONRAD Frédéric |
Subject: |
[Qemu-devel] Virtio devices with mmio. |
Date: |
Tue, 09 Oct 2012 15:55:08 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
Hi,
We are actually trying to use virtio devices with Virt-mmio bus.
The idea is to use theses patches I mentioned in a previous mail
(http://lists.gnu.org/archive/html/qemu-devel/2012-09/msg04913.html).
We are currently drawing the plan of how we can complete theses patches
to have it upstreamed.
Actually we have two major topics.
Backends / transport separation :
We need a good separation between backends and virtio-pci/virtio-mmio,
actually it seems to be the case for virt-mmio but not for virtio-pci as
the old device file is temporary kept for compability ( virtio-pci-new.c ).
Quality of code :
We need to be sure that all the devices are happy with the QOM design,
any hints about that ?
For the moment your plan is :
Implementing virtio-xxx-pci which create virtio-pci and virtio-xxx ( as
suggested by Evgeny Voevodin ).
Looking at the command line issues.
Refactor remaining back-ends ( virtio-scsi, virto-serial, ... ) and
update s390.
Check the QOM design of all the modification ( virtio-mmio, transport,
... ).
Is that making sense ? Any suggestion ?
I'll reporting back by the end of the week.
Fred
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