From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH kernel 3/3] vfio_pci: Add NVIDIA GV100GL [Tesla V100
 SXM2] [10de:1db1] subdriver
Date: Thu, 18 Oct 2018 23:25:46 -0700
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Cc: Reza Arbab <arbab@linux.ibm.com>, kvm@vger.kernel.org,
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To: Piotr Jaroszynski <pjaroszynski@nvidia.com>
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On Thu, Oct 18, 2018 at 11:40:19AM -0700, Piotr Jaroszynski wrote:
> GPUs are linked to NPU devices through device tree properties, I think.
> Linux has a helper to look up linked NPU devices for a PCI device
> pnv_pci_get_npu_dev() here:
> https://elixir.bootlin.com/linux/latest/source/arch/powerpc/platforms/powernv/npu-dma.c#L86

FYI, all this code has never been used in the three years it was in the
tree, so I'm going to remove it pretty soon.