Re: [PATCH v2 4/4] net/nbl: add IOVA mode check in Coexistence

[Thomas Monjalon <thomas@monjalon.net>]

11/11/2025 12:31, Dimon Zhao:
> Add IOVA mode check in Coexistence.
> Update MAINTAINERS.

This is completely unrelated.

> Refresh feature list and Coexistence Usage Instructions.
> 
> Signed-off-by: Dimon Zhao <dimon.zhao@nebula-matrix.com>

>  Nebulamatrix nbl
> +M: Alvin Wang <alvin.wang@nebula-matrix.com>

Maybe he is a new team member, but he cannot be a maintainer
as he did not even send a single patch.
Please keep only people who can act as maintainers in this list.

> --- a/doc/guides/nics/features/nbl.ini
> +++ b/doc/guides/nics/features/nbl.ini
> @@ -12,6 +12,7 @@ Unicast MAC filter   = Y
>  Basic stats          = Y
>  Extended stats       = Y
>  Stats per queue      = Y
> +VLAN offload         = P

How is it related to IOVA?


> --- a/doc/guides/nics/nbl.rst
> +++ b/doc/guides/nics/nbl.rst
> @@ -70,6 +70,13 @@ Anolis community:
>  Alternatively, you can contact us to obtain the `nbl_core` code and installation package.
>  
>  
> +Coexistence Between DPDK And Kernel Driver
> +------------------------------------------
> +When this device is bound to the nbl_core driver and IOMMU is in passthrough mode,
> +it is necessary to force I/O virtual address (IOVA) to be mapped to physical address (PA)
> +with the EAL command line option ``--iova-mode=pa``.

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