Re: [PATCH kernel v2 0/3] powerpc/iommu: Add iommu_ops to report capabilities and allow blocking dom

Michael, Fred, ping?


On 20/09/2022 23:04, Alexey Kardashevskiy wrote:
> Here is another take on iommu_ops on POWER to make VFIO work
> again on POWERPC64. Tested on PPC, kudos to Fred!
> 
> The tree with all prerequisites is here:
> https://github.com/aik/linux/tree/kvm-fixes-wip
> 
> The previous discussion is here:
> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/[email protected]/
> https://patchwork.ozlabs.org/project/kvm-ppc/patch/[email protected]/
> https://lore.kernel.org/all/[email protected]/T/
> 
> Please comment. Thanks.
> 
> 
> This is based on sha1
> ce888220d5c7 Linus Torvalds "Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi".
> 
> Please comment. Thanks.
> 
> 
> 
> Alexey Kardashevskiy (3):
>    powerpc/iommu: Add "borrowing" iommu_table_group_ops
>    powerpc/pci_64: Init pcibios subsys a bit later
>    powerpc/iommu: Add iommu_ops to report capabilities and allow blocking
>      domains
> 
>   arch/powerpc/include/asm/iommu.h          |   6 +-
>   arch/powerpc/include/asm/pci-bridge.h     |   7 +
>   arch/powerpc/platforms/pseries/pseries.h  |   4 +
>   arch/powerpc/kernel/iommu.c               | 247 +++++++++++++++++++++-
>   arch/powerpc/kernel/pci_64.c              |   2 +-
>   arch/powerpc/platforms/powernv/pci-ioda.c |  36 +++-
>   arch/powerpc/platforms/pseries/iommu.c    |  27 +++
>   arch/powerpc/platforms/pseries/setup.c    |   3 +
>   drivers/vfio/vfio_iommu_spapr_tce.c       |  96 ++-------
>   9 files changed, 334 insertions(+), 94 deletions(-)
> 

-- 
Alexey