Is possable support IOMMU(ARM GUCV3) in uefi?

[ShireCiel]

i am trying vfio pcie passthrogh on arm uefi based linux. Looks lastest kernel linux6.8 supported RK3588 iommu function. And looks also added pcie msi support? Is possable to support on uefi, and uefi acpi based linux kernel? https://github.com/torvalds/linux/commit/f8aa519976b38e67aae02d2db3e2998513305e80 https://github.com/torvalds/linux/commit/06cdac8e840767f801bbd94ed991354a206adf1f

[mariobalanica]

It might be possible to expose the SMMU, but MSI via ITS certainly not.

For Linux you'd be much better off booting with device tree. There's no upstreaming effort going on for ACPI on rk3588.