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From: "Kinsella, Ray" <mdr@ashroe.eu>
To: "McDaniel, Timothy" <timothy.mcdaniel@intel.com>, dev@dpdk.org
Cc: jerinj@marvell.com, gage.eads@intel.com,
	harry.van.haaren@intel.com, nhorman@tuxdriver.com,
	nikhil.rao@intel.com, erik.g.carrillo@intel.com,
	abhinandan.gujjar@intel.com, pbhagavatula@marvell.com,
	hemant.agrawal@nxp.com, mattias.ronnblom@ericsson.com,
	peter.mccarthy@intel.com
Subject: Re: [dpdk-dev] [PATCH] doc: announce changes to eventdev public data structures
Date: Wed, 5 Aug 2020 10:36:39 +0100
Message-ID: <fbc9a852-e1ae-8233-e735-9d2c18921db7@ashroe.eu> (raw)
In-Reply-To: <1593728037-15717-1-git-send-email-timothy.mcdaniel@intel.com>



On 02/07/2020 23:13, McDaniel, Timothy wrote:
> From: "McDaniel, Timothy" <timothy.mcdaniel@intel.com>
> 
> Signed-off-by: McDaniel, Timothy <timothy.mcdaniel@intel.com>
> ---
>  doc/guides/rel_notes/deprecation.rst |   28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index d1034f6..6af9b40 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -130,3 +130,31 @@ Deprecation Notices
>    Python 2 support will be completely removed in 20.11.
>    In 20.08, explicit deprecation warnings will be displayed when running
>    scripts with Python 2.
> +
> +* eventdev: Three public data structures will be updated in 20.11;
> +  ``rte_event_dev_info``, ``rte_event_dev_config``, and
> +  ``rte_event_port_conf``.

At a minimum a sub-bullet here for each of the public data structures, 
would a gift to readability. 

> +  Two new members will be added to the ``rte_event_dev_info`` struct.
> +  The first, max_event_port_links, will be a uint8_t, and represents the
> +  maximum number of queues that can be linked to a single event port by
> +  this device. The second, max_single_link_event_port_queue_pairs, will be a
> +  uint8_t, and represents the maximum number of event ports and queues that
> +  are optimized for (and only capable of) single-link configurations
> +  supported by this device. These ports and queues are not accounted for in
> +  max_event_ports or max_event_queues.
> +  One new member will be added to the ``rte_event_dev_config`` struct. The
> +  nb_single_link_event_port_queues member will be a uint8_t, and will
> +  represent the number of event ports and queues that will be singly-linked
> +  to each other. These are a subset of the overall event ports and queues.
> +  This value cannot exceed nb_event_ports or nb_event_queues. If the
> +  device has ports and queues that are optimized for single-link usage, this
> +  field is a hint for how many to allocate; otherwise, regular event ports and
> +  queues can be used.
> +  Finally, the ``rte_event_port_conf`` struct will be
> +  modified as follows. The uint8_t implicit_release_disabled field
> +  will be replaced by a uint32_t event_port_cfg field. The new field will
> +  initially have two bits assigned. RTE_EVENT_PORT_CFG_DISABLE_IMPL_REL
> +  will have the same meaning as implicit_release_disabled. The second bit,
> +  RTE_EVENT_PORT_CFG_SINGLE_LINK will be set if the event port links only
> +  to a single event queue.
> +
> 

  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02 22:13 McDaniel, Timothy
2020-07-30 16:33 ` McDaniel, Timothy
2020-07-30 18:48   ` Jerin Jacob
2020-07-31 18:51 ` McDaniel, Timothy
2020-07-31 19:03   ` Jerin Jacob
2020-07-31 19:31 ` McDaniel, Timothy
2020-08-03  6:09   ` Jerin Jacob
2020-08-03 17:55     ` [dpdk-dev] [PATCH] doc: eventdev ABI change to support DLB PMD McDaniel, Timothy
2020-08-04  7:38       ` Jerin Jacob
2020-08-04 15:44         ` Hemant Agrawal
2020-08-05 23:39           ` Thomas Monjalon
2020-08-07 16:21             ` McDaniel, Timothy
2020-08-04 13:46       ` Van Haaren, Harry
2020-08-05  9:36 ` Kinsella, Ray [this message]
2020-08-05 23:46   ` [dpdk-dev] [PATCH] doc: announce changes to eventdev public data structures Thomas Monjalon

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