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 Wed, 9 Aug 2017 08:31:00 +
"Zhang, Tina" wrote:
> > -Original Message-
> > From: intel-gvt-dev [mailto:intel-gvt-dev-boun...@lists.freedesktop.org] On
> > Behalf Of Alex Williamson
> > Sent: Tuesday, August 8, 2017 1:43 AM
> > To: Zhang, Tina
> > Cc: Tian, Kevin ; intel-gfx@lists.
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
> -Original Message-
> From: intel-gvt-dev [mailto:intel-gvt-dev-boun...@lists.freedesktop.org] On
> Behalf Of Alex Williamson
> Sent: Tuesday, August 8, 2017 1:43 AM
> To: Zhang, Tina
> Cc: Tian, Kevin ; intel-gfx@lists.freedesktop.org; dri-
> de...@lists.freedesktop.org; kwankh...@nvid
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 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 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
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 tell if the mdev supports region case.
Otherwise, the mdev supports dm
> -Original Message-
> From: dri-devel [mailto:dri-devel-boun...@lists.freedesktop.org] On Behalf Of
> Alex Williamson
> Sent: Thursday, August 3, 2017 10:43 PM
> To: Zhang, Tina
> Cc: Tian, Kevin ; intel-gfx@lists.freedesktop.org; dri-
> de...@lists.freedesktop.org; kwankh...@nvidia.com
On Thu, 3 Aug 2017 07:08:15 +
"Zhang, Tina" wrote:
> > -Original Message-
> > From: Alex Williamson [mailto:alex.william...@redhat.com]
> > Sent: Thursday, August 3, 2017 11:38 AM
> > To: Zhang, Tina
> > Cc: Tian, Kevin ; intel-gfx@lists.freedesktop.org;
> > dri-
> > de...@lists.fre
> -Original Message-
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Thursday, August 3, 2017 11:38 AM
> To: Zhang, Tina
> Cc: Tian, Kevin ; intel-gfx@lists.freedesktop.org; dri-
> de...@lists.freedesktop.org; kwankh...@nvidia.com; kra...@redhat.com;
> intel-gvt-...@l
On Thu, 3 Aug 2017 03:17:09 +
"Zhang, Tina" wrote:
> > -Original Message-
> > From: dri-devel [mailto:dri-devel-boun...@lists.freedesktop.org] On Behalf
> > Of
> > Alex Williamson
> > Sent: Wednesday, August 2, 2017 5:18 AM
> > To: Zhang, Tina
> > Cc: Tian, Kevin ; kra...@redhat.com
> -Original Message-
> From: dri-devel [mailto:dri-devel-boun...@lists.freedesktop.org] On Behalf Of
> Alex Williamson
> Sent: Wednesday, August 2, 2017 5:18 AM
> To: Zhang, Tina
> Cc: Tian, Kevin ; kra...@redhat.com; intel-
> g...@lists.freedesktop.org; Wang, Zhi A ;
> kwankh...@nvidia.
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
> -Original Message-
> From: intel-gvt-dev [mailto:intel-gvt-dev-boun...@lists.freedesktop.org] On
> Behalf Of Gerd Hoffmann
> Sent: Friday, July 28, 2017 4:27 PM
> To: Zhang, Tina ; intel-gfx@lists.freedesktop.org;
> intel-
> gvt-...@lists.freedesktop.org; dri-de...@lists.freedesktop.or
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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