Re: [PATCH v5 00/19] Generic DT bindings for PCI IOMMUs and ARM SMMU

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On 23/08/16 20:05, Robin Murphy wrote:
> Hi all,

Oh bums, looks like I managed to miss LAKML off the CC list. If anyone
there is interested, it's over here:

https://lists.linuxfoundation.org/pipermail/iommu/2016-August/018230.html

Robin.

> 
> At long last I've finished the big SMMUv2 rework, so here's everything
> all together for a v5. As a quick breakdown:
> 
> Patches 1-3 are the core PCI part, all acked and ready to go. No code
> changes from v4.
> 
> Patch 4 is merely bugfixed from v4 for simplicity, as I've not yet
> managed to take as close a look at Lorenzo's follow-on work as I'd like.
> 
> Patches 5-7 (SMMUv3) are mostly unchanged beyond a slight tweak to #5.
> 
> Patches 8-17 are the all-new SMMUv2 rework.
> 
> Patch 18 goes along with the fix already in 4.8-rc3 to help avoid 64-bit
> DMA masks going wrong now that DMA ops will be enabled.
> 
> Finally, patch 19 addresses the previous problem of having to choose
> between DMA ops or working MSIs. This is currently at the end as
> moving it before #17 would require a further interim SMMUv2 patch, and
> a 19-patch series is already quite enough...
> 
> I've pushed out a branch based on iommu/next to the usual place:
> 
> git://linux-arm.org/linux-rm iommu/generic-v5
> 
> Thanks,
> Robin.
> ---
> 
> Mark Rutland (1):
>   Docs: dt: add PCI IOMMU map bindings
> 
> Robin Murphy (18):
>   of/irq: Break out msi-map lookup (again)
>   iommu/of: Handle iommu-map property for PCI
>   iommu/of: Introduce iommu_fwspec
>   iommu/arm-smmu: Implement of_xlate() for SMMUv3
>   iommu/arm-smmu: Support non-PCI devices with SMMUv3
>   iommu/arm-smmu: Set PRIVCFG in stage 1 STEs
>   iommu/arm-smmu: Handle stream IDs more dynamically
>   iommu/arm-smmu: Consolidate stream map entry state
>   iommu/arm-smmu: Keep track of S2CR state
>   iommu/arm-smmu: Refactor mmu-masters handling
>   iommu/arm-smmu: Streamline SMMU data lookups
>   iommu/arm-smmu: Add a stream map entry iterator
>   iommu/arm-smmu: Intelligent SMR allocation
>   iommu/arm-smmu: Convert to iommu_fwspec
>   Docs: dt: document ARM SMMU generic binding usage
>   iommu/arm-smmu: Wire up generic configuration support
>   iommu/arm-smmu: Set domain geometry
>   iommu/dma: Add support for mapping MSIs
> 
>  .../devicetree/bindings/iommu/arm,smmu.txt         |  63 +-
>  .../devicetree/bindings/pci/pci-iommu.txt          | 171 ++++
>  drivers/iommu/Kconfig                              |   2 +-
>  drivers/iommu/arm-smmu-v3.c                        | 347 ++++----
>  drivers/iommu/arm-smmu.c                           | 952 ++++++++++-----------
>  drivers/iommu/dma-iommu.c                          | 141 ++-
>  drivers/iommu/of_iommu.c                           |  95 +-
>  drivers/irqchip/irq-gic-v2m.c                      |   3 +
>  drivers/irqchip/irq-gic-v3-its.c                   |   3 +
>  drivers/of/irq.c                                   |  78 +-
>  drivers/of/of_pci.c                                | 102 +++
>  include/linux/dma-iommu.h                          |   9 +
>  include/linux/of_iommu.h                           |  15 +
>  include/linux/of_pci.h                             |  10 +
>  14 files changed, 1208 insertions(+), 783 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/pci-iommu.txt
> 

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