[PATCH 0/3] Add RPMI/MPXY voltage, device power and performance service

[Rahul Pathak]

Hi Joshua,

It will help if you can also share your branches
for the Linux and Librpmi side changes for anyone
to test. If you already have Qemu based stubs implemented
for this to test then that would be great and please share that too.

Thanks
Rahul

On Mon, Oct 13, 2025 at 9:02 PM Joshua Yeong
<joshua.yeong at starfivetech.com> wrote:
>
> Add RPMI/MPXY driver for voltage, device power and performance group based on
> RPMI specification v1.0.
>
> https://github.com/riscv-non-isa/riscv-rpmi/releases/download/v1.0/riscv-rpmi.pdf
>
> Joshua Yeong (3):
>   lib: utils: Add MPXY RPMI mailbox driver for voltage
>   lib: utils: Add MPXY RPMI mailbox driver for device power
>   lib: utils: Add MPXY RPMI mailbox driver for performance
>
>  include/sbi_utils/mailbox/rpmi_msgprot.h    | 244 ++++++++++++++++++++
>  lib/utils/mpxy/Kconfig                      |  12 +
>  lib/utils/mpxy/fdt_mpxy_rpmi_device_power.c |  55 +++++
>  lib/utils/mpxy/fdt_mpxy_rpmi_performance.c  |  90 ++++++++
>  lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c      |  76 ++++++
>  lib/utils/mpxy/objects.mk                   |   9 +
>  platform/generic/configs/defconfig          |   3 +
>  7 files changed, 489 insertions(+)
>  create mode 100644 lib/utils/mpxy/fdt_mpxy_rpmi_device_power.c
>  create mode 100644 lib/utils/mpxy/fdt_mpxy_rpmi_performance.c
>  create mode 100644 lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c
>
> --
> 2.43.0
>
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