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 [thread overview]
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.
> +
>
next prev parent reply other threads:[~2020-08-05 9:36 UTC|newest]
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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