[PATCH v8 00/24] Linux SBI MPXY and RPMI drivers

Krzysztof Kozlowski krzk at kernel.org
Fri Jul 4 00:45:22 PDT 2025


On Fri, Jul 04, 2025 at 12:33:32PM +0530, Anup Patel wrote:
> The SBI v3.0 (MPXY extension) [1] and RPMI v1.0 [2] specifications
> are frozen and finished public review at the RISC-V International.
> 
> Currently, most of the RPMI and MPXY drivers are in OpenSBI whereas
> Linux only has SBI MPXY mailbox controller driver, RPMI clock driver
> and RPMI system MSI driver This series also includes ACPI support
> for SBI MPXY mailbox controller and RPMI system MSI drivers.
> 
> These patches can be found in the riscv_sbi_mpxy_mailbox_v8 branch
> at: https://github.com/avpatel/linux.git
> 
> To test these patches, boot Linux on "virt,rpmi=on,aia=aplic-imsic"
> machine with OpenSBI and QEMU from the dev-upstream branch at:
> https://github.com/ventanamicro/opensbi.git
> https://github.com/ventanamicro/qemu.git
> 
> [1] https://github.com/riscv-non-isa/riscv-sbi-doc/releases
> [2] https://github.com/riscv-non-isa/riscv-rpmi/releases
> 
> Changes since v7:
>  - Addressed comments on PATCH3, PATCH7, PATCH10, PATCH14, and PATCH21

Which comments? What exactly did you change? Provide in-patch changelogs
explaining this, because what you wrote is way too vague.

Best regards,
Krzysztof




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