On 26.09.2019 14:52, Julien Grall wrote: > On 9/26/19 12:20 PM, Oleksandr Tyshchenko wrote: >> From: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com> >> >> The main puprose of this patch is to add a way to register DT device >> (which is behind the IOMMU) using the generic IOMMU DT bindings [1] >> before assigning that device to a domain. >> >> So, this patch adds new "iommu_add_dt_device" API for adding DT device >> to the IOMMU using generic IOMMU DT bindings and previously added >> "iommu_fwspec" support. As devices can be assigned to the hardware domain >> and other domains this function is called from two places: handle_device() >> and iommu_do_dt_domctl(). >> >> Besides that, this patch adds new "dt_xlate" callback (borrowed from >> Linux "of_xlate") for providing the driver with DT IOMMU specifier >> which describes the IOMMU master interfaces of that device (device IDs, etc). >> According to the generic IOMMU DT bindings the context of required >> properties for IOMMU device/master node (#iommu-cells, iommus) depends >> on many factors and is really driver depended thing. >> >> Please note, all IOMMU drivers which support generic IOMMU DT bindings >> should use "dt_xlate" and "add_device" callbacks. >> >> [1] >> https://www.kernel.org/doc/Documentation/devicetree/bindings/iommu/iommu.txt >> >> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshche...@epam.com> > > Acked-by: Julien Grall <julien.gr...@arm.com>
Acked-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
