Displaying 3 results from an estimated 3 matches for "ath25".
Did you mean:
at25
2018 Jun 08
0
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
...gt; platforms.
>
> I don't think you mean bars. That's unrelated to DMA.
Of course it matters. If the device always needs an offset in
the DMA addresses it is completely related to DMA.
For some examples take a look at:
arch/x86/pci/sta2x11-fixup.c
arch/mips/include/asm/mach-ath25/dma-coherence.h
or anything setting dma_pfn_offset.
> > Worse so some of these offsets might be based on
> > banks, e.g. on the broadcom bmips platform. It also deals
> > with bitmask in physical addresses related to memory encryption
> > like AMD SEV. I'd be rea...
2018 Jun 07
2
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Wed, Jun 06, 2018 at 10:23:06PM -0700, Christoph Hellwig wrote:
> On Thu, May 31, 2018 at 08:43:58PM +0300, Michael S. Tsirkin wrote:
> > Pls work on a long term solution. Short term needs can be served by
> > enabling the iommu platform in qemu.
>
> So, I spent some time looking at converting virtio to dma ops overrides,
> and the current virtio spec, and the sad
2018 Jun 07
2
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Wed, Jun 06, 2018 at 10:23:06PM -0700, Christoph Hellwig wrote:
> On Thu, May 31, 2018 at 08:43:58PM +0300, Michael S. Tsirkin wrote:
> > Pls work on a long term solution. Short term needs can be served by
> > enabling the iommu platform in qemu.
>
> So, I spent some time looking at converting virtio to dma ops overrides,
> and the current virtio spec, and the sad