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Wed, 5 Aug 2020 09:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ashroe.eu; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Kd2jGS28sQc6a3YXZm2/4FYlCTVp9jU+5pY3Y+IRiZ4=; b=KeHQKR2srO7tyrLH+yliFKtI0C HuLvcfbjZvZ58/DSQRTZBfj48JBpq042fUSy/d88kUk5lW1hCuVAIyNufIQz66auB6MnE8i4Syc79 53ZYOrc01ImwK4z1bLKvZmSG1vAeLNOHoqFyy2ekHj+aqLOo+zlqQdpDUM+rGa6dv6gG6CTlDrbPv Gd53a7y88bXi0vmhBQvrFZodvX7i/tKfUzsi175+40Cy2l2/FRufrE0OXZ0GY2c4A9bJHv1jIYtmp KI9+820ffGfJ8gfCVokWdvKNhou04ad7wA8DhPuekg/OEVDyQWdVnPMCKCCEHSd9NRZj7NRV0mLC1 99ab6Yxg==; To: "McDaniel, Timothy" , 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 References: <1593728037-15717-1-git-send-email-timothy.mcdaniel@intel.com> From: "Kinsella, Ray" Autocrypt: addr=mdr@ashroe.eu; 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WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1593728037-15717-1-git-send-email-timothy.mcdaniel@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-AuthUser: mdr@ashroe.eu Subject: Re: [dpdk-dev] [PATCH] doc: announce changes to eventdev public data structures X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 02/07/2020 23:13, McDaniel, Timothy wrote: > From: "McDaniel, Timothy" > > Signed-off-by: McDaniel, Timothy > --- > 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. > + >