[PATCH kernel 0/5] powerpc/powernv/npu: Reworks for NVIDIA V100 + P9 passthrough (part 2)

[Alexey Kardashevskiy]

Strangely Reza is missed by the get_maintainers.pl, adding in cc: :-/


On 15/10/2018 20:32, Alexey Kardashevskiy wrote:
> This is a second set of patches required for passing through NVIDIA V100
> with coherent memory. The full patchset is here:
> https://github.com/aik/linux/tree/nv2
> The matching QEMU is here:
> https://github.com/aik/qemu/tree/nv2
> 
> 
> This patchset reworks NPU DMA code to be used with VFIO. The exported symbols
> are called from the NVIDIA driver so they must be able to work in both
> powernv and pseries platforms.
> 
> This depends on skiboot's "npu2: Clear XTS_BDF_MAP when destroying context for next init_context"
> posted earlier today.
> 
> Please comment. Thanks.
> 
> 
> 
> Alexey Kardashevskiy (5):
>   powerpc/powernv/npu: Add helper to access struct npu for NPU device
>   powerpc/powernv/npu: Collect all static symbols under one struct
>   powerpc/powernv: Detach npu struct from pnv_phb
>   powerpc/powernv/npu: Factor out OPAL calls from context manipulation
>   powerpc/powernv/npu: Add helper to map GPU to LPAR
> 
>  arch/powerpc/include/asm/pci.h            |   4 +
>  arch/powerpc/platforms/powernv/pci.h      |  18 +-
>  arch/powerpc/platforms/powernv/npu-dma.c  | 298 ++++++++++++++++++++----------
>  arch/powerpc/platforms/powernv/pci-ioda.c |   9 +-
>  4 files changed, 212 insertions(+), 117 deletions(-)
> 

-- 
Alexey