Re: [PATCH v1] doc: deprecation notice to add callback data to rte_event_fp_ops

[Ferruh Yigit <ferruh.yigit@amd.com>]

On 7/17/2023 12:24 PM, Sivaprasad Tummala wrote:
> Deprecation notice to add "rte_eventdev_port_data" field to
> ``rte_event_fp_ops`` for callback support.
> 
> Signed-off-by: Sivaprasad Tummala <sivaprasad.tummala@amd.com>
> ---
>  doc/guides/rel_notes/deprecation.rst | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index fb771a0305..057f97ce5a 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -130,6 +130,13 @@ Deprecation Notices
>    ``rte_cryptodev_get_auth_algo_string``, ``rte_cryptodev_get_aead_algo_string`` and
>    ``rte_cryptodev_asym_get_xform_string`` respectively.
>  
> +* eventdev: The struct rte_event_fp_ops will be updated with a new element
> +  rte_eventdev_port_data to support optional callbacks in DPDK 23.11.
> +  rte_eventdev_port_data is used to hold callbacks registered optionally
> +  per event device port and associated callback data. By adding rte_eventdev_port_data
> +  to rte_event_fp_ops, allows to fetch this data for fastpath eventdev inline functions
> +  in advance. This changes the size of rte_event_fp_ops and result in ABI change.
> +
>  * security: Hide structures ``rte_security_ops`` and ``rte_security_ctx``
>    as these are internal to DPDK library and drivers.
>  

+techboard,

Request for review/ack, patch is to extend eventdev to support callbacks
per packet.