[PATCH v3 0/9] Initial support for SMMUv3 nested translation

[Nicolin Chen]

On Wed, Oct 09, 2024 at 01:23:06PM -0300, Jason Gunthorpe wrote:

> The vIOMMU series is essential to allow the invalidations to be processed
> for the CD as well.
> 
> It is enough to allow qemu work to progress.
> 
> This is on github: https://github.com/jgunthorpe/linux/commits/smmuv3_nesting
> 
> v3:
>  - Rebase on v6.12-rc2
>  - Revise commit messages
>  - Consolidate CANWB checks into arm_smmu_master_canwbs()
>  - Add CONFIG_ARM_SMMU_V3_IOMMUFD to compile out iommufd only features
>    like nesting
>  - Shift code into arm-smmu-v3-iommufd.c
>  - Add missed IS_ERR check
>  - Add S2FWB to arm_smmu_get_ste_used()
>  - Fixup quirks checks
>  - Drop ARM_SMMU_FEAT_COHERENCY checks for S2FWB
>  - Limit S2FWB to S2 Nesting Parent domains "just in case"

Verified SVA feature in a guest VM, with the vIOMMU part-1&2 series
applied on top and the pairing QEMU branch mentioned in the part-2
cover-letter:
https://lore.kernel.org/linux-iommu/cover.1728491532.git.nicolinc@nvidia.com/

Tested-by: Nicolin Chen <nicolinc at nvidia.com>