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Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU co
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code. |
Date: |
Sun, 16 Mar 2014 14:28:00 +0200 |
On Fri, Mar 14, 2014 at 12:18:38PM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > Perhaps a configuration field is better, like this:
> >
> > u32 events_read;
> > u32 events_clear;
> >
> > A new event sets a bit in events_read and generates a configuration
> > change interrupt. The guest should never write to events_read.
>
> Makes sense to me. I think I'll go write up things as diff against
> virtio-wip, then post it for review.
>
> cheers,
> Gerd
>
Net device has a similar problem with gratitious packet
sending. What we are doing there is VIRTIO_NET_S_ANNOUNCE bit
in the status field in the configuration, coupled with
VIRTIO_NET_CTRL_ANNOUNCE_ACK command to clear it.
--
MST
- [Qemu-devel] [PATCH 1/4] vga: allow non-global vmstate, (continued)
- [Qemu-devel] [PATCH 1/4] vga: allow non-global vmstate, Gerd Hoffmann, 2014/03/12
- [Qemu-devel] [PATCH 2/4] vga: add secondary stdvga variant, Gerd Hoffmann, 2014/03/12
- [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Gerd Hoffmann, 2014/03/12
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Paolo Bonzini, 2014/03/13
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Gerd Hoffmann, 2014/03/14
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code.,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Dave Airlie, 2014/03/17
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Dave Airlie, 2014/03/17
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Paolo Bonzini, 2014/03/17
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Paolo Bonzini, 2014/03/17
- Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code., Michael S. Tsirkin, 2014/03/17
[Qemu-devel] [PATCH 4/4] virtio-vga: v1, Gerd Hoffmann, 2014/03/12
Re: [Qemu-devel] [PATCH 0/4] vga: new display devices, Laszlo Ersek, 2014/03/12