This change adds a new flavor of dma-bufs that can be used by virtio
drivers to share exported objects. A virtio dma-buf can be queried by
virtio drivers to obtain the UUID which identifies the underlying
exported object.
Signed-off-by: David Stevens
---
drivers/virtio/Makefile | 2 +-
Add support for UUID-based resource sharing mechanism to virtgpu. This
implements the new virtgpu commands and hooks them up to dma-buf's
get_uuid callback.
Signed-off-by: David Stevens
---
drivers/gpu/drm/virtio/virtgpu_drv.c | 3 +
drivers/gpu/drm/virtio/virtgpu_drv.h | 20 ++
This feature allows the guest to request a UUID from the host for a
particular virtio_gpu resource. The UUID can then be shared with other
virtio devices, to allow the other host devices to access the
virtio_gpu's corresponding host resource.
Signed-off-by: David Stevens
---
This patchset implements the current proposal for virtio cross-device
resource sharing [1]. It will be used to import virtio resources into
the virtio-video driver currently under discussion [2]. The patch
under consideration to add support in the virtio-video driver is [3].
It uses the APIs from
It's been almost 2 weeks since I submitted this. Just thought I would
follow up and see if there is any ETA on when this might be applied,
or if I missed the need to fix something and resubmit.
Thanks.
- Alex
On Tue, May 26, 2020 at 9:13 PM Alexander Duyck
wrote:
>
> This series provides an
On Mon, Jun 08, 2020 at 07:36:55PM +0900, David Stevens wrote:
> On Mon, Jun 8, 2020 at 6:43 PM Michael S. Tsirkin wrote:
> >
> > On Fri, May 15, 2020 at 04:26:15PM +0900, David Stevens wrote:
> > > > > + if (virtio_has_feature(vgdev->vdev,
> > > > > VIRTIO_GPU_F_RESOURCE_UUID)) {
> > > > >
On Mon, Jun 8, 2020 at 6:43 PM Michael S. Tsirkin wrote:
>
> On Fri, May 15, 2020 at 04:26:15PM +0900, David Stevens wrote:
> > > > + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) {
> > > > + vgdev->has_resource_assign_uuid = true;
> > > > + }
> > >
> > >
>
On Fri, May 15, 2020 at 04:26:15PM +0900, David Stevens wrote:
> > > + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) {
> > > + vgdev->has_resource_assign_uuid = true;
> > > + }
> >
> >
> > Just a question: this relies on DMA bufs so I assume it is
> > not
On Mon, Jun 8, 2020 at 6:05 PM Michael S. Tsirkin wrote:
>
> On Mon, Jun 08, 2020 at 05:32:26PM +0900, David Stevens wrote:
> > On Mon, Jun 8, 2020 at 3:00 PM Michael S. Tsirkin wrote:
> > >
> > > On Mon, Jun 08, 2020 at 10:33:09AM +0900, David Stevens wrote:
> > > > On Sun, Jun 7, 2020 at 5:04
On Mon, Jun 08, 2020 at 05:32:26PM +0900, David Stevens wrote:
> On Mon, Jun 8, 2020 at 3:00 PM Michael S. Tsirkin wrote:
> >
> > On Mon, Jun 08, 2020 at 10:33:09AM +0900, David Stevens wrote:
> > > On Sun, Jun 7, 2020 at 5:04 AM Michael S. Tsirkin wrote:
> > > >
> > > > On Fri, Jun 05, 2020 at
On Mon, Jun 08, 2020 at 10:33:09AM +0900, David Stevens wrote:
> On Sun, Jun 7, 2020 at 5:04 AM Michael S. Tsirkin wrote:
> >
> > On Fri, Jun 05, 2020 at 10:28:42AM +0900, David Stevens wrote:
> > > On Fri, Jun 5, 2020 at 4:05 AM Michael S. Tsirkin wrote:
> > > >
> > > > On Tue, May 26, 2020 at
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