Re: [PATCH V2 mlx5-next 12/14] vfio/mlx5: Implement vfio_pci driver for mlx5 devices

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On Fri, Oct 29, 2021 at 10:32:03AM +0000, Shameerali Kolothum Thodi wrote:
> Just trying to follow the thread here. The above situation where MMIOs can be
> further poked in the !RUNNING state, do you mean poking through P2P or
> Guest/Qemu can still do that? I am just trying to see if the current uAPI fits well
> within the use case where we don't have any P2P scenario and the assigned dev
> is behind the IOMMU.

The way it is today any VFIO user can poke MMIO while in the !RUNNING
state, no P2P needed, just write to the mmap.

Jason



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