Re: [dpdk-dev] [PATCH 20/20] doc: add NXP DPAA2 EVENTDEV details

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Thu, 25 May 2017 23:37:51 +0530
> From: Nipun Gupta <nipun.gupta@nxp.com>
> To: dev@dpdk.org
> CC: hemant.agrawal@nxp.com, jerin.jacob@caviumnetworks.com,
>  harry.van.haaren@intel.com, bruce.richardson@intel.com,
>  gage.eads@intel.com, shreyansh.jain@nxp.com, Nipun Gupta
>  <nipun.gupta@nxp.com>
> Subject: [PATCH 20/20] doc: add NXP DPAA2 EVENTDEV details
> X-Mailer: git-send-email 1.9.1
> 
> Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
> ---
>  MAINTAINERS                    |   1 +
>  doc/guides/eventdevs/dpaa2.rst | 157 +++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 158 insertions(+)
>  create mode 100644 doc/guides/eventdevs/dpaa2.rst
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 45e284e..9c9095b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -584,6 +584,7 @@ NXP DPAA2 Eventdev PMD
>  M: Hemant Agrawal <hemant.agrawal@nxp.com>
>  M: Nipun Gupta <nipun.gupta@nxp.com>
>  F: drivers/event/dpaa2/
> +F: doc/guides/eventdevs/dpaa2.rst
>  
>  Packet processing
>  -----------------
> +
> +To compile the DPAA2 EVENTDEV PMD for Linux arm64 gcc target, run the
> +following ``make`` command:
> +
> +.. code-block:: console
> +
> +   cd <DPDK-source-directory>
> +   make config T=arm64-dpaa2-linuxapp-gcc install

It nice to mention your PMD driver vdev name in the document.

> +
> +Limitations
> +-----------
> +
> +Platform Requirement
> +~~~~~~~~~~~~~~~~~~~~
> +
> +DPAA2 drivers for DPDK can only work on NXP SoCs as listed in the
> +``Supported DPAA2 SoCs``.
> +
> +Port-core binding
> +~~~~~~~~~~~~~~~~~
> +
> +DPAA2 EVENTDEV driver requires event port 'x' to be used on core 'x'.

Is it a HW limitation? or Is it like, only one port can connect to one
lcore. If it latter, then I think, you can have physical port to virtual
port translation in slow path as ports are enumerated as 0 to N. lcore
id can be anything.


> -- 
> 1.9.1
>