[PATCH v3 0/3] RISC-V: Add ACPI support for IOMMU
Sunil V L
sunilvl at ventanamicro.com
Sun Jun 29 20:51:22 PDT 2025
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
>
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