[PATCH v2 00/13] More RPMI and MPXY updates

Anup Patel anup at brainfault.org
Wed Feb 12 21:48:09 PST 2025


On Wed, Jan 22, 2025 at 12:14 PM Anup Patel <apatel at ventanamicro.com> wrote:
>
> This series does the following:
> 1) MPXY driver and framework cleanups
> 2) Update RPMI drivers as-per latest specification
> 3) Add MPXY RPMI driver for System MSI service group
>
> These patches can also be found in the rpmi_updates_v2 branch at:
> https://github.com/avpatel/opensbi.git
>
> To test these patches, use the dev-upstream branch of the following repos:
> * https://github.com/ventanamicro/qemu.git
> * https://github.com/ventanamicro/linux.git
>
> To enable QEMU RPMI emulation (using librpmi) for virt machine, use
> "virt,rpmi=on,aia=aplic-imsic" as the QEMU machine name.
>
> Changes since v1:
>  - Addressed comments in PATCH1, PATCH2, PATCH3, PATCH7, and PATCH12
>  - Added new PATCH13 to update MPXY framework and SBI extension
>    based on latest specification.
>
> Anup Patel (13):
>   lib: utils: Split the FDT MPXY RPMI mailbox client into two parts
>   lib: utils: Constantify mpxy_rpmi_mbox_data in mpxy_rpmi_mbox
>   lib: utils: Introduce optional MPXY RPMI service group operations
>   lib: sbi: Fix capability bit assignment in MPXY framework
>   lib: sbi: Improve local variable declarations in MPXY framework
>   lib: utils: Drop notifications from MPXY RPMI mailbox client
>   lib: utils: Improve variable declarations in MPXY RPMI mailbox client
>   include: sbi_utils: Include mailbox.h in rpmi_mailbox.h header
>   lib: utils: Implement get_attribute() for the RPMI shared memory
>     mailbox
>   lib: utils: Populate MPXY channel attributes from RPMI channel
>     attributes
>   include: sbi_utils: Update RPMI service group IDs and BASE service
>     group
>   lib: utils: Add MPXY RPMI mailbox driver for System MSI service group
>   lib: sbi: Update MPXY framework and SBI extension as per latest spec

Applied this series to the riscv/opensbi repo.

Thanks,
Anup

>
>  include/sbi/sbi_ecall_interface.h           |  15 +-
>  include/sbi/sbi_mpxy.h                      |  12 +-
>  include/sbi_utils/mailbox/rpmi_mailbox.h    |   1 +
>  include/sbi_utils/mailbox/rpmi_msgprot.h    | 117 +++++++-
>  include/sbi_utils/mpxy/fdt_mpxy_rpmi_mbox.h |  79 +++++
>  lib/sbi/sbi_ecall_mpxy.c                    |   7 +-
>  lib/sbi/sbi_mpxy.c                          | 139 +++++----
>  lib/utils/mailbox/fdt_mailbox_rpmi_shmem.c  |  39 ++-
>  lib/utils/mpxy/Kconfig                      |  16 +-
>  lib/utils/mpxy/fdt_mpxy_rpmi_clock.c        |  87 ++++++
>  lib/utils/mpxy/fdt_mpxy_rpmi_mbox.c         | 312 +++++++-------------
>  lib/utils/mpxy/fdt_mpxy_rpmi_sysmsi.c       | 204 +++++++++++++
>  lib/utils/mpxy/objects.mk                   |   7 +-
>  platform/generic/configs/defconfig          |   2 +
>  14 files changed, 726 insertions(+), 311 deletions(-)
>  create mode 100644 include/sbi_utils/mpxy/fdt_mpxy_rpmi_mbox.h
>  create mode 100644 lib/utils/mpxy/fdt_mpxy_rpmi_clock.c
>  create mode 100644 lib/utils/mpxy/fdt_mpxy_rpmi_sysmsi.c
>
> --
> 2.43.0
>



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