APPLIED: [SRU][N:nvidia][PATCH v2 0/8] MANA: include driver fixes and enable module on ARM64

[Jacob Martin]

On Wed, Oct 16, 2024 at 09:43:43AM -0500, Jacob Martin wrote:
> BugLink: https://bugs.launchpad.net/bugs/2084598
> 
> SRU Justification
> 
> [Impact]
> 
> NVIDIA kernels are used on systems that require support for the Microsoft Azure
> Network Adapter, including on ARM64 systems with support for 64K and 4K page
> sizes. Build the MANA driver on both arches and include the listed fixes for
> the MANA driver to support both 64K and 4K page sizes and address a race
> condition.
> 
> [Fix]
> 
> UBUNTU: [Packaging] nvidia: Include mana.ko in linux-modules-ABIVER package 
> UBUNTU: [Config] nvidia: Enable MANA configs on x86 and arm64
> RDMA/mana_ib: use the correct page size for mapping user-mode doorbell page
> RDMA/mana_ib: use the correct page table index based on hardware page size
> net: mana: Fix RX buf alloc_size alignment and atomic op panic
> net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response
> net: mana: Add support for page sizes other than 4KB on ARM64
> net: mana: Enable MANA driver on ARM64 with 4K page size
> 
> [Test Plan]
> 
> Compile tested on x86 and arm64. Kernel regression testing will be run to
> verify there are no regressions from these patches on NVIDIA hardware.
> 
> [Where problems could occur]
> 
> These changes are specific to the MANA networking driver. Issues with this
> patch would manifest as misbehavior of that driver, likely on ARM64 platforms.
> 
> v2:
>  - Remove netdev and linux-next from the cherry pick notes of "net: mana: Fix race
>    of mana_hwc_post_rx_wqe and new hwc response" and "net: mana: Add support for
>    page sizes other than 4KB on ARM64", these commits exist in mainline with the
>    same hashes.
> 
> Haiyang Zhang (4):
>   net: mana: Enable MANA driver on ARM64 with 4K page size
>   net: mana: Add support for page sizes other than 4KB on ARM64
>   net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response
>   net: mana: Fix RX buf alloc_size alignment and atomic op panic
> 
> Jacob Martin (2):
>   UBUNTU: [Config] nvidia: Enable MANA configs on x86 and arm64
>   UBUNTU: [Packaging] nvidia: Include mana.ko in linux-modules-ABIVER
>     package
> 
> Long Li (2):
>   RDMA/mana_ib: use the correct page table index based on hardware page
>     size
>   RDMA/mana_ib: use the correct page size for mapping user-mode doorbell
>     page
> 
>  debian.nvidia/config/annotations              |  6 ++
>  debian.nvidia/control.d/nvidia.inclusion-list |  1 +
>  drivers/infiniband/hw/mana/main.c             |  8 +-
>  drivers/net/ethernet/microsoft/Kconfig        |  3 +-
>  .../net/ethernet/microsoft/mana/gdma_main.c   | 10 +--
>  .../net/ethernet/microsoft/mana/hw_channel.c  | 76 ++++++++++---------
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 14 ++--
>  .../net/ethernet/microsoft/mana/shm_channel.c | 13 ++--
>  include/net/mana/gdma.h                       | 10 ++-
>  include/net/mana/mana.h                       |  3 +-
>  10 files changed, 86 insertions(+), 58 deletions(-)
> 
> -- 
> 2.43.0
> 

Applied to noble:linux-nvidia/main-next.

Jacob