Hi,
> These are both from Gerd. Gerd, do you have any objection to using a
> union to provide either the dmabuf fd or region index?
No.
> > It's like we want to propose a general interface used to share
> > guest's buffer with host. And the
> > general interface, so far, has two choice: regio
On 8/8/2017 11:37 PM, Alex Williamson wrote:
> On Tue, 8 Aug 2017 14:18:07 +0530
> Kirti Wankhede wrote:
>
>> On 8/7/2017 11:13 PM, Alex Williamson wrote:
>>> On Mon, 7 Aug 2017 08:11:43 +
>>> "Zhang, Tina" wrote:
>>>
After going through the previous discussions, here are some summ
Zhang, Tina
> > Cc: Tian, Kevin ; intel-...@lists.freedesktop.org;
> > dri-
> > de...@lists.freedesktop.org; kwankh...@nvidia.com; kra...@redhat.com;
> > intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> > Zhiyuan
> > Subject: Re: [PATCH v13 5/7] vfio: ABI f
eedesktop.org; kwankh...@nvidia.com; kra...@redhat.com;
> intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> Zhiyuan
> Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operation
>
> On Mon, 7 Aug 2017 08:11:43 +
> "Zhang, Tina" wrote:
>
> &
On 8/7/2017 11:13 PM, Alex Williamson wrote:
> On Mon, 7 Aug 2017 08:11:43 +
> "Zhang, Tina" wrote:
>
>> After going through the previous discussions, here are some summaries may be
>> related to the current discussion:
>> 1. How does user mode figure the device capabilities between region
On Tue, 8 Aug 2017 14:18:07 +0530
Kirti Wankhede wrote:
> On 8/7/2017 11:13 PM, Alex Williamson wrote:
> > On Mon, 7 Aug 2017 08:11:43 +
> > "Zhang, Tina" wrote:
> >
> >> After going through the previous discussions, here are some summaries may
> >> be related to the current discussion:
On Mon, 7 Aug 2017 08:11:43 +
"Zhang, Tina" wrote:
> After going through the previous discussions, here are some summaries may be
> related to the current discussion:
> 1. How does user mode figure the device capabilities between region and
> dma-buf?
> VFIO_DEVICE_GET_REGION_INFO could tel
; intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> Zhiyuan
> Subject: RE: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operation
>
>
>
> > -Original Message-
> > From: dri-devel [mailto:dri-devel-boun...@lists.freedesktop.org] On
> > Behalf O
eedesktop.org; kwankh...@nvidia.com; kra...@redhat.com;
> intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> Zhiyuan
> Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operation
>
> On Thu, 3 Aug 2017 07:08:15 +
> "Zhang, Tina" wrote:
>
> >
@lists.freedesktop.org;
> > dri-
> > de...@lists.freedesktop.org; kwankh...@nvidia.com; kra...@redhat.com;
> > intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> > Zhiyuan
> > Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operati
t.com;
> intel-gvt-...@lists.freedesktop.org; Wang, Zhi A ; Lv,
> Zhiyuan
> Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operation
>
> On Thu, 3 Aug 2017 03:17:09 +
> "Zhang, Tina" wrote:
>
> > > -Original Message-
> > >
gt; To: Zhang, Tina
> > Cc: Tian, Kevin ; kra...@redhat.com; intel-
> > g...@lists.freedesktop.org; Wang, Zhi A ;
> > kwankh...@nvidia.com; dri-devel@lists.freedesktop.org; intel-gvt-
> > d...@lists.freedesktop.org; Lv, Zhiyuan
> > Subject: Re: [PATCH v13 5/7] vfio: ABI fo
ang, Zhi A ;
> kwankh...@nvidia.com; dri-devel@lists.freedesktop.org; intel-gvt-
> d...@lists.freedesktop.org; Lv, Zhiyuan
> Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev display dma-buf operation
>
> On Tue, 25 Jul 2017 17:28:18 +0800
> Tina Zhang wrote:
>
> > Add VFIO_DEVIC
On 8/2/2017 2:48 AM, Alex Williamson wrote:
> On Tue, 25 Jul 2017 17:28:18 +0800
> Tina Zhang wrote:
>
>> Add VFIO_DEVICE_QUERY_GFX_PLANE ioctl command to let user mode query and
>> get the plan and its related information.
>>
>> The dma-buf's life cycle is handled by user mode and tracked by k
On Tue, 25 Jul 2017 17:28:18 +0800
Tina Zhang wrote:
> Add VFIO_DEVICE_QUERY_GFX_PLANE ioctl command to let user mode query and
> get the plan and its related information.
>
> The dma-buf's life cycle is handled by user mode and tracked by kernel.
> The returned fd in struct vfio_device_query_gf
esktop.org; dri-devel@lists.freedesktop.org;
> ville.syrj...@linux.intel.com; zhen...@linux.intel.com; Lv, Zhiyuan
> ; Wang, Zhi A ;
> alex.william...@redhat.com; ch...@chris-wilson.co.uk; dan...@ffwll.ch;
> kwankh...@nvidia.com; Tian, Kevin
> Subject: Re: [PATCH v13 5/7] vfio: ABI for mdev
Hi,
> +/**
> + * VFIO_DEVICE_QUERY_GFX_PLANE - _IOW(VFIO_TYPE, VFIO_BASE + 14,
> struct vfio_device_query_gfx_plane)
> + *
> + * Set the drm_plane_type and retrieve information about the gfx
> plane.
+ *
> + * Return: 0 on success, -errno on failure.
I think this should be more verbose, especia
Add VFIO_DEVICE_QUERY_GFX_PLANE ioctl command to let user mode query and
get the plan and its related information.
The dma-buf's life cycle is handled by user mode and tracked by kernel.
The returned fd in struct vfio_device_query_gfx_plane can be a new
fd or an old fd of a re-exported dma-buf. Ho
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