Message ID | 20190822172350.12008-1-eric.auger@redhat.com |
---|---|
Headers | show |
Series | ARM SMMUv3: Fix spurious notification errors and fail with VFIO | expand |
On Thu, 22 Aug 2019 at 18:24, Eric Auger <eric.auger@redhat.com> wrote: > > As of today when a guest is assigned with a host PCI device and > an SMMUv3, VFIO calls memory_region_iommu_replay() default > implementation. This translates the whole address range and > completely stalls the execution. As VFIO/SMMUv3 integration > is not supported yet (it requires SMMUv3 HW nested paging), let's > recognize this situation and fail. > > Also the series silences some spurious translation configuration > decoding errors (STE out of span or invalid STE) that may happen > on guest IOVA invalidation notifications. > > Best Regards > > Eric > > This series can be found at: > https://github.com/eauger/qemu/tree/v4.1.0_smmu_vfio_fail_v4 > Eric Auger (5): > memory: Remove unused memory_region_iommu_replay_all() > memory: Add IOMMU_ATTR_HW_NESTED_PAGING IOMMU memory region attribute > hw/vfio/common: Fail on VFIO/HW nested paging detection > hw/arm/smmuv3: Log a guest error when decoding an invalid STE > hw/arm/smmuv3: Remove spurious error messages on IOVA invalidations I've added patches 1, 4 and 5 to target-arm.next. thanks -- PMM