Re: [PATCH for-next resend 07/24] RDMA/hfi2: Add system core header files

[Leon Romanovsky <leon@kernel.org>]

On Wed, Mar 11, 2026 at 01:54:20PM -0400, Dennis Dalessandro wrote:
> Add header files for hooking into the core system, things like IRQs and
> affinity.
> 
> Co-developed-by: Dean Luick <dean.luick@cornelisnetworks.com>
> Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com>
> Co-developed-by: Bendan Cunningham <brendan.cunningham@cornelisnetworks.com>
> Signed-off-by: Breandan Cunningham <brendan.cunningham@cornelisnetworks.com>
> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
> ---
>  drivers/infiniband/hw/hfi2/affinity.h |   86 +++++++++++++++++++++++++++++++++
>  drivers/infiniband/hw/hfi2/aspm.h     |   36 ++++++++++++++
>  drivers/infiniband/hw/hfi2/efivar.h   |   17 +++++++
>  drivers/infiniband/hw/hfi2/eprom.h    |   11 ++++
>  drivers/infiniband/hw/hfi2/mmu_rb.h   |   78 ++++++++++++++++++++++++++++++
>  drivers/infiniband/hw/hfi2/msix.h     |   31 ++++++++++++
>  6 files changed, 259 insertions(+)
>  create mode 100644 drivers/infiniband/hw/hfi2/affinity.h
>  create mode 100644 drivers/infiniband/hw/hfi2/aspm.h
>  create mode 100644 drivers/infiniband/hw/hfi2/efivar.h
>  create mode 100644 drivers/infiniband/hw/hfi2/eprom.h
>  create mode 100644 drivers/infiniband/hw/hfi2/mmu_rb.h
>  create mode 100644 drivers/infiniband/hw/hfi2/msix.h

<...>

> +/* Can be used for both memory and cpu */
> +enum affinity_flags {
> +	AFF_AUTO,
> +	AFF_NUMA_LOCAL,
> +	AFF_DEV_LOCAL,
> +	AFF_IRQ_LOCAL
> +};

Maybe I'm misremembering, but I recall we already discussed affinity
management in the driver in the context of hfi1, and our position at the
time was that handling affinity belongs in user space.

Thanks