Re: [PATCH v8 00/13] RISC-V: ACPI: Enable AIA, PLIC and update RHCT

[Alistair Francis <alistair23@gmail.com>]

On Tue, Dec 19, 2023 at 1:03 AM Sunil V L <sunilvl@ventanamicro.com> wrote:
>
> This series primarily enables external interrupt controllers (AIA and PLIC)
> in ACPI tables for RISC-V virt platform. It also updates RHCT with CMO and
> MMU related information.
>
> Below ECRs for these changes are approved by ASWG and will be
> available in next ACPI spec release.
>
> 1) MADT (AIA) - https://drive.google.com/file/d/1oMGPyOD58JaPgMl1pKasT-VKsIKia7zR/view?usp=sharing
> 2) RHCT - https://drive.google.com/file/d/1sKbOa8m1UZw1JkquZYe3F1zQBN1xXsaf/view?usp=sharing
>
> First two patches in this series are to migrate a couple of functions from
> ARM architecture to common code so that RISC-V doesn't need to duplicate
> the same.
>
> The patch set is based on Alistair's riscv-to-apply.next branch.
>
> These changes are also available in  riscv_acpi_b2_v8 branch at:
> https://github.com/vlsunil/qemu/
>
> Changes since v7:
>         1) Prefixed gpex property names with "x-" as per feedback from Michael Tsirkin.
>         2) Rebased to latest riscv-to-apply.next.
>
> Changes since v6:
>         1) Fixed the qtest failure issue reported by Daniel in PATCH 2.
>
> Changes since v5:
>         1) Fixed the issue in PATCH 2 reported by Daniel found when built with
>            clang + --enable-debug.
>
> Changes since v4:
>         1) Updated copyright for new files as per SPDX format suggested by Drew.
>         2) Updated RINTC patch to avoid code duplication as suggested by Drew.
>         3) Moved mmu offset below cmo in MMU patch as suggested by Drew.
>         4) Updated tags.
>
> Changes since v3:
>         1) Addressed comments from Daniel and Drew.
>         2) Added a new patch in microvm to use common function for virtio in DSDT.
>         3) Rebased to latest riscv-to-apply.next branch and added tags.
>
> Changes since v2:
>         1) Rebased to latest riscv-to-apply.next branch which needed
>            changing ext_icboz to ext_zicboz in CMO patch.
>         2) Fixed node type in MMU node.
>         3) Added latest tags.
>
> Changes since v1:
>         1) As per Igor's suggestion, migrated fw_cfg and virtio creation
>            functions to device specific file instead of generic aml-build.c.
>            Since ACPI is optional, new files are created and enabled for
>            build only when CONFIG_ACPI is enabled.
>         2) As per Igor's suggestion, properties are added to the GPEX PCI
>            host to indicate MMIO ranges. The platform fw can initialize
>            these to appropriate values and the DSDT generator can fetch
>            the information from the host bus itself. This makes the code
>            generic instead of machine specific.
>         3) Added PLIC patch from Haibo.
>         4) Rebased to latest riscv-to-apply.next and added RB tags as
>            appropriate.
>
> Sunil V L (13):
>   hw/arm/virt-acpi-build.c: Migrate fw_cfg creation to common location
>   hw/arm/virt-acpi-build.c: Migrate virtio creation to common location
>   hw/i386/acpi-microvm.c: Use common function to add virtio in DSDT
>   hw/riscv: virt: Make few IMSIC macros and functions public
>   hw/riscv/virt-acpi-build.c: Add AIA support in RINTC
>   hw/riscv/virt-acpi-build.c: Add IMSIC in the MADT
>   hw/riscv/virt-acpi-build.c: Add APLIC in the MADT
>   hw/riscv/virt-acpi-build.c: Add CMO information in RHCT
>   hw/riscv/virt-acpi-build.c: Add MMU node in RHCT
>   hw/pci-host/gpex: Define properties for MMIO ranges
>   hw/riscv/virt: Update GPEX MMIO related properties
>   hw/riscv/virt-acpi-build.c: Add IO controllers and devices
>   hw/riscv/virt-acpi-build.c: Add PLIC in MADT

Thanks!

Applied to riscv-to-apply.next

Alistair

>
>  hw/arm/virt-acpi-build.c        |  51 +----
>  hw/i386/acpi-microvm.c          |  15 +-
>  hw/nvram/fw_cfg-acpi.c          |  23 +++
>  hw/nvram/meson.build            |   1 +
>  hw/pci-host/gpex-acpi.c         |  13 ++
>  hw/pci-host/gpex.c              |  12 ++
>  hw/riscv/Kconfig                |   1 +
>  hw/riscv/virt-acpi-build.c      | 323 +++++++++++++++++++++++++++++---
>  hw/riscv/virt.c                 |  72 ++++---
>  hw/virtio/meson.build           |   1 +
>  hw/virtio/virtio-acpi.c         |  33 ++++
>  include/hw/nvram/fw_cfg_acpi.h  |  15 ++
>  include/hw/pci-host/gpex.h      |  28 ++-
>  include/hw/riscv/virt.h         |  26 +++
>  include/hw/virtio/virtio-acpi.h |  16 ++
>  15 files changed, 499 insertions(+), 131 deletions(-)
>  create mode 100644 hw/nvram/fw_cfg-acpi.c
>  create mode 100644 hw/virtio/virtio-acpi.c
>  create mode 100644 include/hw/nvram/fw_cfg_acpi.h
>  create mode 100644 include/hw/virtio/virtio-acpi.h
>
> --
> 2.39.2
>
>