for the 2nd point, I begin to understand the logic,
there are some userspace priv data passed with sgtable between guest and
host os; width/height/stride/format and other information can be sent
inside these private data.
these private data is opaque to kernel driver, doesn't require negotiation
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ICITS'22 - The 2022 International Conference on Information Technology & Systems
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On Fri, Jun 18, 2021 at 05:20:55PM +0200, Jean-Philippe Brucker wrote:
> Jean-Philippe Brucker (5):
> ACPI: arm64: Move DMA setup operations out of IORT
> ACPI: Move IOMMU setup code out of IORT
> ACPI: Add driver for the VIOT table
> iommu/dma: Pass address limit rather than size to
>
> From: Jason Wang
> Sent: Friday, June 25, 2021 8:59 AM
>
> 在 2021/6/24 下午3:59, Parav Pandit 写道:
> >
> >> From: Jason Wang
> >> Sent: Thursday, June 24, 2021 12:35 PM
> >>
> Consider we had a mature set of virtio specific uAPI for config space.
> It would be a burden if we need an
