Displaying 3 results from an estimated 3 matches for "ansuman".
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anshuman
2018 Jun 04
2
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> Another is that given the basic functionality is in there, optimizations
> can possibly wait until per-device quirks in DMA API are supported.
We have had per-device dma_ops for quite a while.
2018 Jun 04
2
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> Another is that given the basic functionality is in there, optimizations
> can possibly wait until per-device quirks in DMA API are supported.
We have had per-device dma_ops for quite a while.
2018 Jun 04
0
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
..., Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> > Another is that given the basic functionality is in there, optimizations
> > can possibly wait until per-device quirks in DMA API are supported.
>
> We have had per-device dma_ops for quite a while.
I've asked Ansuman to start with a patch that converts virtio to use
DMA ops always, along with an init quirk to hookup "direct" ops when
the IOMMU flag isn't set.
This will at least remove that horrid duplication of code path we have
in there.
Then we can just involve the arch in that init quirk so w...