Re: [PATCH v3 0/3] RISC-V: Add ACPI support for IOMMU

[Sunil V L <sunilvl@ventanamicro.com>]

Hi Tomasz,

Could you please help reviewing this series?

Thanks!
Sunil
On Mon, Jun 30, 2025 at 09:18:00AM +0530, Sunil V L wrote:
> This series adds support for RISC-V IOMMU on ACPI based platforms.
> RISC-V IO Mapping Table (RIMT) is a new static ACPI table [1] introduced
> to communicate IOMMU information to the OS.
> 
> [1] - https://github.com/riscv-non-isa/riscv-acpi-rimt/releases/download/v1.0/rimt-spec.pdf
> 
> Changes since v2:
> 	1) Rebased to 6.16-rc4
> 	2) Removed Anup's SOB and link tags added by mistake in v2.
> 
> Changes since v1:
> 	1) Rebased to v6.16-rc1.
> 	2) Dropped ACPICA patch since it is already available in 6.16-rc1.
> 	3) Added Rafael's ACK.
> 	4) Fixed few issues found by bots.
> 
> 
> Sunil V L (3):
>   ACPI: RISC-V: Add support for RIMT
>   ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id()
>   iommu/riscv: Add ACPI support
> 
>  MAINTAINERS                          |   1 +
>  arch/riscv/Kconfig                   |   1 +
>  drivers/acpi/Kconfig                 |   4 +
>  drivers/acpi/riscv/Kconfig           |   7 +
>  drivers/acpi/riscv/Makefile          |   1 +
>  drivers/acpi/riscv/init.c            |   2 +
>  drivers/acpi/riscv/init.h            |   1 +
>  drivers/acpi/riscv/rimt.c            | 523 +++++++++++++++++++++++++++
>  drivers/acpi/scan.c                  |   9 +-
>  drivers/iommu/riscv/iommu-platform.c |  17 +-
>  drivers/iommu/riscv/iommu.c          |  10 +
>  include/linux/acpi_rimt.h            |  26 ++
>  12 files changed, 599 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/acpi/riscv/Kconfig
>  create mode 100644 drivers/acpi/riscv/rimt.c
>  create mode 100644 include/linux/acpi_rimt.h
> 
> -- 
> 2.43.0
>