feat(riscv/iommu): update support for RISC-V IOMMU Device Directory Table

bao-project / bao-hypervisor

Bao, a Lightweight Static Partitioning Hypervisor

Apache License 2.0

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Closed malejo97 closed 6 months ago

malejo97 commented 9 months ago

This PR introduces multiple updates to RISC-V IOMMU support regarding the Device Directory Table.

Changes:

Add support for IOMMU implementations without MSI translation, where each DC is 32-bytes wide;
Add support for multi-level device directory tables;
Add mechanism for dynamic selection of IOMMU mode based on the IDs of the devices embedded in the platform.

Validation

josecm commented 8 months ago

Thanks for this @malejo97 ! To fix the failing checks, can you please apply the formatter (just run make format), and shorten the commit messages?

malejo97 commented 8 months ago

Thanks for this @malejo97 ! To fix the failing checks, can you please apply the formatter (just run make format), and shorten the commit messages?

Done. I've merged all commits into a single one with the checks fixed