[Bug 1800649] Re: Add support to NVIDIA GPU passthrough

The patch attached here contains the necessary to build QEMU with
support to nvlink2 passthrough:

0001-qdev-Use-string-for-QOM-string-properties.patch
0002-ppc-spapr-Receive-and-store-device-tree-blob-from-SL.patch
0003-DBG-store-fdt.patch
0004-vfio-spapr-Fix-indirect-levels-calculation.patch
0005-headers-update.patch
0006-pci-Move-NVIDIA-vendor-id-to-the-rest-of-ids.patch
0007-RFC-vfio-nvidia-v100-Disable-VBIOS-update.patch
0008-spapr-iommu-Always-advertise-the-maximum-possible-DM.patch
0009-FIXME-vfio-Do-not-replay-IOMMU-mappings.patch
0010-vfio-Make-vfio_get_region_info_cap-public.patch
0011-vfio-spapr-Try-allocating-less-levels-if-failed-with.patch
0012-spapr-Add-NVLink2-memory-to-PHB-placement.patch
0013-spapr-Create-ibm-gpu-and-ibm-npu-cross-links-in-the-.patch
0014-spapr-vfio-Map-GPU-RAM-and-advertise-to-the-guest.patch
0015-debug-Disables-KVM-TCE-acceleration-and-direct-ATSD-.patch

https://github.com/aik/qemu/tree/nv2

** Attachment added: "qemu-patches.tar.gz"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800649/+attachment/5209845/+files/qemu-patches.tar.gz

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https://bugs.launchpad.net/bugs/1800649

Title:
Add support to NVIDIA GPU passthrough

Status in linux package in Ubuntu:
Incomplete

Bug description:
This bug will keep track of an important feature that is being
developed upstream and need to be backported to Ubuntu 18.04 PPC64.
The feature allows QEMU/KVM guests to have NVIDIA GPUs passed-through.

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