Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation

From	Kirti Wankhede <kwankhede@nvidia.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation
Date	2017-07-14 12:20 +0200
Message-ID	<u35Rv-20X-1@gated-at.bofh.it> (permalink)
References	(3 earlier) <u1ZuO-pS-17@gated-at.bofh.it> <u2fJf-290-3@gated-at.bofh.it> <u2kzg-5ja-13@gated-at.bofh.it> <u2pfA-8io-27@gated-at.bofh.it> <u35HP-1Xa-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 7/14/2017 3:31 PM, Gerd Hoffmann wrote:
>   Hi,
> 
>> In case when VFIO region is used to provide surface to QEMU, plane_id
>> would be region index,
> 
> Then we should name it "region_index" not "plane_id".
> 
>> for example region 10 could be used for primary
>> surface and region 11 could be used for cursor surface. So in that
>> case,
>> mdev vendor driver should return plane_type and its corresponding
>> plane_id.
> 
> Hmm?  plane_type is the input (userspace -> kernel) parameter.
> 

Yes, that's right. Sorry for confusion. And mdev vendor driver would
return which region to read.

Thanks,
Kirti

> cheers,
>   Gerd
>

Thread

[PATCH v10] vfio: ABI for mdev display dma-buf operation Tina Zhang <tina.zhang@intel.com> - 2017-07-06 00:40 +0200
  Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Kirti Wankhede <kwankhede@nvidia.com> - 2017-07-06 16:10 +0200
    Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-11 08:20 +0200
      Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Daniel Vetter <daniel@ffwll.ch> - 2017-07-11 11:20 +0200
        RE: [PATCH v10] vfio: ABI for mdev display dma-buf operation "Zhang, Tina" <tina.zhang@intel.com> - 2017-07-12 04:40 +0200
          Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Daniel Vetter <daniel@ffwll.ch> - 2017-07-12 09:50 +0200
            Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Kirti Wankhede <kwankhede@nvidia.com> - 2017-07-12 14:50 +0200
              RE: [PATCH v10] vfio: ABI for mdev display dma-buf operation "Zhang, Tina" <tina.zhang@intel.com> - 2017-07-14 03:40 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Kirti Wankhede <kwankhede@nvidia.com> - 2017-07-14 12:20 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-14 14:10 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Kirti Wankhede <kwankhede@nvidia.com> - 2017-07-14 14:20 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-17 13:10 +0200
              Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-14 12:10 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Kirti Wankhede <kwankhede@nvidia.com> - 2017-07-14 12:20 +0200
                Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-14 14:20 +0200
        Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Zhenyu Wang <zhenyuw@linux.intel.com> - 2017-07-12 05:30 +0200
    RE: [PATCH v10] vfio: ABI for mdev display dma-buf operation "Zhang, Tina" <tina.zhang@intel.com> - 2017-07-12 04:30 +0200
  Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Gerd Hoffmann <kraxel@redhat.com> - 2017-07-11 08:10 +0200
    RE: [PATCH v10] vfio: ABI for mdev display dma-buf operation "Zhang, Tina" <tina.zhang@intel.com> - 2017-07-12 04:50 +0200
  Re: [PATCH v10] vfio: ABI for mdev display dma-buf operation Daniel Vetter <daniel@ffwll.ch> - 2017-07-11 11:20 +0200
    RE: [PATCH v10] vfio: ABI for mdev display dma-buf operation "Zhang, Tina" <tina.zhang@intel.com> - 2017-07-12 05:20 +0200

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