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SubjectRe: [PATCH 8/9] vfio/pci: use x86 naming instead of igd
On Fri, Feb 05, 2021 at 11:42:11AM +1100, Alexey Kardashevskiy wrote:
> > A real nvswitch function?
>
> What do you mean by this exactly? The cpu side of nvlink is "emulated pci
> devices", the gpu side is not in pci space at all, the nvidia driver manages
> it via the gpu's mmio or/and cfg space.

Some versions of the nvswitch chip have a PCI-E link too, that is what
I though this was all about when I first saw it.

So, it is really a special set of functions for NVIDIA GPU device
assignment only applicable to P9 systems, much like IGD is for Intel
on x86.

Jason

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