Hi Bharat, all, I now have access to HW that allows to bring out that task on ARM and I would be happy to try contributing on this thread on both kernel and QEMU side. Bharat, do you intend to respin shortly or can I try to pursue your efforts while keeping credit to you (and also take into account Pranav and Pavel contributions too if relevant)? Thanks in advance Best Regards Eric /2015 04:57 PM, Bharat Bhushan wrote: > This patch series add the interface to map MSI pages in iommu > for msi-capable device pass-through using vfio. > > First patch adds a generic interface to set reserved iova regions. > These reserved regions can be used for mapping physical address. > Follow-up patches uses these reserved iova for mapping msi-pages. > > This patch series does not provide interface to let user-space know > how many minimum reserved iova regions are required on a given platform. > This interface can be added once this patches series get reviewed and will > be in acceptable state. > > Bharat Bhushan (6): > vfio: Add interface for add/del reserved iova region > iommu: Add interface to get msi-pages mapping attributes > vfio: Extend iommu-info to return MSIs automap state > vfio: Add interface to iommu-map/unmap MSI pages > vfio-pci: Create iommu mapping for msi interrupt > arm-smmu: Allow to set iommu mapping for MSI > > drivers/iommu/arm-smmu.c | 8 + > drivers/iommu/fsl_pamu_domain.c | 3 + > drivers/iommu/iommu.c | 14 ++ > drivers/vfio/pci/vfio_pci_intrs.c | 36 +++- > drivers/vfio/vfio.c | 52 ++++++ > drivers/vfio/vfio_iommu_type1.c | 344 +++++++++++++++++++++++++++++++++++++- > include/linux/iommu.h | 9 +- > include/linux/vfio.h | 9 +- > include/uapi/linux/vfio.h | 46 +++++ > 9 files changed, 516 insertions(+), 5 deletions(-) > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
