Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Alex Williamson
ina > > Cc: k...@vger.kernel.org; linux-kernel@vger.kernel.org; > > zhen...@linux.intel.com; Yuan, Hang ; > > kra...@redhat.com; intel-gvt-...@lists.freedesktop.org; Lv, Zhiyuan > > > > Subject: Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eve

Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Zhenyu Wang
On 2019.05.27 14:22:37 +0200, Gerd Hoffmann wrote: > On Mon, May 27, 2019 at 05:07:41PM +0800, Zhenyu Wang wrote: > > On 2019.05.27 16:43:11 +0800, Tina Zhang wrote: > > > Add VFIO_DEVICE_SET_GFX_FLIP_EVENTFD ioctl command to set eventfd > > > based signaling mechanism to deliver vGPU framebuffer

RE: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Zhang, Tina
m; Yuan, Hang ; > kra...@redhat.com; intel-gvt-...@lists.freedesktop.org; Lv, Zhiyuan > > Subject: Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd > > On Mon, 27 May 2019 16:43:11 +0800 > Tina Zhang wrote: > > > Add VFIO_DEVICE_SET_GFX_FLIP_EVENTFD

Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Alex Williamson
On Mon, 27 May 2019 16:43:11 +0800 Tina Zhang wrote: > Add VFIO_DEVICE_SET_GFX_FLIP_EVENTFD ioctl command to set eventfd > based signaling mechanism to deliver vGPU framebuffer page flip > event to userspace. > > Signed-off-by: Tina Zhang > --- > include/uapi/linux/vfio.h | 12 >

Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Gerd Hoffmann
On Mon, May 27, 2019 at 05:07:41PM +0800, Zhenyu Wang wrote: > On 2019.05.27 16:43:11 +0800, Tina Zhang wrote: > > Add VFIO_DEVICE_SET_GFX_FLIP_EVENTFD ioctl command to set eventfd > > based signaling mechanism to deliver vGPU framebuffer page flip > > event to userspace. > > Should we add probe

Re: [PATCH 1/2] vfio: ABI for setting mdev display flip eventfd

2019-05-27 Thread Zhenyu Wang
On 2019.05.27 16:43:11 +0800, Tina Zhang wrote: > Add VFIO_DEVICE_SET_GFX_FLIP_EVENTFD ioctl command to set eventfd > based signaling mechanism to deliver vGPU framebuffer page flip > event to userspace. > Should we add probe to see if driver can support gfx flip event? > Signed-off-by: Tina