Hi, On 12/09/2016 18:13, Robin Murphy wrote: > Hi all, > > To any more confusing fixups and crazily numbered extra patches, here's > a quick v7 with everything rebased into the right order. The significant > change this time is to implement iommu_fwspec properly from the start, > which ends up being far simpler and more robust than faffing about > introducing it somewhere 'less intrusive' to move toward core code later. > > New branch in the logical place: > > git://linux-arm.org/linux-rm iommu/generic-v7 For information, as discussed privately with Robin I experience some regressions with the former and now deprecated dt description. on my AMD Overdrive board and my old dt description I now only see a single group: /sys/kernel/iommu_groups/ /sys/kernel/iommu_groups/0 /sys/kernel/iommu_groups/0/devices /sys/kernel/iommu_groups/0/devices/e0700000.xgmac whereas I formerly see /sys/kernel/iommu_groups/ /sys/kernel/iommu_groups/3 /sys/kernel/iommu_groups/3/devices /sys/kernel/iommu_groups/3/devices/0000:00:00.0 /sys/kernel/iommu_groups/1 /sys/kernel/iommu_groups/1/devices /sys/kernel/iommu_groups/1/devices/e0700000.xgmac /sys/kernel/iommu_groups/4 /sys/kernel/iommu_groups/4/devices /sys/kernel/iommu_groups/4/devices/0000:00:02.2 /sys/kernel/iommu_groups/4/devices/0000:01:00.1 /sys/kernel/iommu_groups/4/devices/0000:00:02.0 /sys/kernel/iommu_groups/4/devices/0000:01:00.0 /sys/kernel/iommu_groups/2 /sys/kernel/iommu_groups/2/devices /sys/kernel/iommu_groups/2/devices/e0900000.xgmac /sys/kernel/iommu_groups/0 /sys/kernel/iommu_groups/0/devices /sys/kernel/iommu_groups/0/devices/f0000000.pcie This is the group topology without ACS override. Applying the non upstreamed "pci: Enable overrides for missing ACS capabilities" I used to see separate groups for each PCIe components. Now I don't see any difference with and without ACS override. Thanks Eric > > Robin. > > Mark Rutland (1): > Docs: dt: add PCI IOMMU map bindings > > Robin Murphy (21): > of/irq: Break out msi-map lookup (again) > iommu/of: Handle iommu-map property for PCI > iommu: Introduce iommu_fwspec > Docs: dt: document ARM SMMUv3 generic binding usage > iommu/arm-smmu: Fall back to global bypass > 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 > iommu/dma: Avoid PCI host bridge windows > > .../devicetree/bindings/iommu/arm,smmu-v3.txt | 8 +- > .../devicetree/bindings/iommu/arm,smmu.txt | 63 +- > .../devicetree/bindings/pci/pci-iommu.txt | 171 ++++ > arch/arm64/mm/dma-mapping.c | 2 +- > drivers/gpu/drm/exynos/exynos_drm_iommu.h | 2 +- > drivers/iommu/Kconfig | 2 +- > drivers/iommu/arm-smmu-v3.c | 386 +++++---- > drivers/iommu/arm-smmu.c | 962 ++++++++++----------- > drivers/iommu/dma-iommu.c | 161 +++- > drivers/iommu/iommu.c | 56 ++ > drivers/iommu/of_iommu.c | 52 +- > 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/device.h | 3 + > include/linux/dma-iommu.h | 12 +- > include/linux/iommu.h | 38 + > include/linux/of_pci.h | 10 + > 19 files changed, 1323 insertions(+), 791 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pci/pci-iommu.txt > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
