On 28.05.2025 11:12, Mykyta Poturai wrote: > From: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com> > > The main purpose of this patch is to add a way to register PCI device > (which is behind the IOMMU) using the generic PCI-IOMMU DT bindings [1] > before assigning that device to a domain. > > This behaves similarly to the existing iommu_add_dt_device API, except it > handles PCI devices, and it is to be invoked from the add_device hook in the > SMMU driver. > > The function dt_map_id to translate an ID through a downstream mapping > (which is also suitable for mapping Requester ID) was borrowed from Linux > (v5.10-rc6) and updated according to the Xen code base. > > [1] > https://www.kernel.org/doc/Documentation/devicetree/bindings/pci/pci-iommu.txt > > Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com> > Signed-off-by: Stewart Hildebrand <stewart.hildebr...@amd.com> > Signed-off-by: Mykyta Poturai <mykyta_potu...@epam.com> > Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
While I'm not happy about all this DT stuff in ... > --- > xen/arch/arm/include/asm/iommu.h | 15 +++++ > xen/common/device-tree/device-tree.c | 91 +++++++++++++++++++++++++++ > xen/drivers/passthrough/arm/iommu.c | 13 ++++ > xen/drivers/passthrough/device_tree.c | 42 +++++++++++++ > xen/include/xen/device_tree.h | 23 +++++++ > xen/include/xen/iommu.h | 21 ++++++- ... this file, it's only adding to what's there already, so Acked-by: Jan Beulich <jbeul...@suse.com> Jan