This is for passing through NVIDIA V100 GPUs on POWER9 systems.

This implements a subdriver for NVIDIA V100 GPU with coherent memory and
NPU/ATS support available in the POWER9 CPU.

Here is the kernel driver:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/vfio/pci?h=v5.0-rc6&id=7f92891778dff62303c070ac81de7b7d80de331a


This is based on David's ppc-for-4.0 sha1
28aa643760dd Suraj Jitindar Singh "target/ppc/spapr: Clear partition table entry when allocating hash table".

Please comment. Thanks.



Alexey Kardashevskiy (3):
  spapr_iommu: Do not replay mappings from just created DMA window
  vfio: Make vfio_get_region_info_cap public
  spapr: Support NVIDIA V100 GPU with NVLink2

 hw/ppc/Makefile.objs          |   2 +-
 hw/vfio/pci.h                 |   2 +
 include/hw/pci-host/spapr.h   |  45 ++++
 include/hw/ppc/spapr.h        |   4 +-
 include/hw/vfio/vfio-common.h |   2 +
 hw/ppc/spapr.c                |  29 ++-
 hw/ppc/spapr_iommu.c          |  31 +++
 hw/ppc/spapr_pci.c            |  19 ++
 hw/ppc/spapr_pci_nvlink2.c    | 441 ++++++++++++++++++++++++++++++++++
 hw/ppc/spapr_rtas_ddw.c       |  10 +
 hw/vfio/common.c              |   2 +-
 hw/vfio/pci-quirks.c          | 120 +++++++++
 hw/vfio/pci.c                 |  14 ++
 hw/vfio/trace-events          |   4 +
 14 files changed, 719 insertions(+), 6 deletions(-)
 create mode 100644 hw/ppc/spapr_pci_nvlink2.c

-- 
2.17.1