From: Jerin Jacob <jerinjacobk@gmail.com>
To: "Mattias Rönnblom" <mattias.ronnblom@ericsson.com>
Cc: dpdk-dev <dev@dpdk.org>, Jerin Jacob <jerinj@marvell.com>,
Gage Eads <gage.eads@intel.com>,
Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [RFC 1/3] eventdev: allow for event devices requiring maintenance
Date: Thu, 9 Apr 2020 01:06:24 +0530 [thread overview]
Message-ID: <CALBAE1M6z3LyQh=KgL-1ivs4NOc5DK4C6NUv=Xj1MQtB6WLcCw@mail.gmail.com> (raw)
In-Reply-To: <20200408175655.18879-1-mattias.ronnblom@ericsson.com>
On Wed, Apr 8, 2020 at 11:27 PM Mattias Rönnblom
<mattias.ronnblom@ericsson.com> wrote:
>
> Extend Eventdev API to allow for event devices which require various
> forms of internal processing to happen, even when events are not
> enqueued to or dequeued from a port.
>
> Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
> ---
> lib/librte_eventdev/rte_eventdev.h | 65 ++++++++++++++++++++++++++
> lib/librte_eventdev/rte_eventdev_pmd.h | 14 ++++++
> 2 files changed, 79 insertions(+)
>
> diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
> index 226f352ad..d69150792 100644
> --- a/lib/librte_eventdev/rte_eventdev.h
> +++ b/lib/librte_eventdev/rte_eventdev.h
> @@ -289,6 +289,15 @@ struct rte_event;
> * single queue to each port or map a single queue to many port.
> */
>
> +#define RTE_EVENT_DEV_CAP_REQUIRES_MAINT (1ULL << 9)
> +/**< Event device requires calls to rte_event_maintain() during
This scheme would call for DSW specific API handling in fastpath.
> + * periods when neither rte_event_dequeue_burst() nor
The typical worker thread will be
while (1) {
rte_event_dequeue_burst();
..proess..
rte_event_enqueue_burst();
}
If so, Why DSW driver can't do the maintenance in driver context in
dequeue() call.
> + * rte_event_enqueue_burst() are called on a port. This will allow the
> + * event device to perform internal processing, such as flushing
> + * buffered events, return credits to a global pool, or process
> + * signaling related to load balancing.
> + */
next prev parent reply other threads:[~2020-04-08 19:36 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 17:56 Mattias Rönnblom
2020-04-08 17:56 ` [dpdk-dev] [RFC 2/3] event/dsw: make use of eventdev maintenance facility Mattias Rönnblom
2020-04-08 17:56 ` [dpdk-dev] [RFC 3/3] eventdev: allow devices requiring maintenance with adapters Mattias Rönnblom
2020-04-08 19:36 ` Jerin Jacob [this message]
2020-04-09 12:21 ` [dpdk-dev] [RFC 1/3] eventdev: allow for event devices requiring maintenance Mattias Rönnblom
2020-04-09 13:32 ` Jerin Jacob
2020-04-09 14:02 ` Mattias Rönnblom
2020-04-10 13:00 ` Jerin Jacob
2020-04-14 15:57 ` Mattias Rönnblom
2020-04-14 16:15 ` Jerin Jacob
2020-04-14 17:55 ` Mattias Rönnblom
2020-04-16 17:19 ` Jerin Jacob
2020-04-20 9:05 ` Mattias Rönnblom
2020-05-13 18:56 ` Mattias Rönnblom
2021-08-02 16:14 ` [dpdk-dev] [RFC v2 " Mattias Rönnblom
2021-08-02 16:15 ` [dpdk-dev] [RFC v2 2/3] event/dsw: make use of eventdev maintenance facility Mattias Rönnblom
2021-08-02 16:15 ` [dpdk-dev] [RFC v2 3/3] eventdev: have adapters support device maintenance Mattias Rönnblom
2021-08-03 4:39 ` [dpdk-dev] [RFC v2 1/3] eventdev: allow for event devices requiring maintenance Jerin Jacob
2021-08-03 8:26 ` Mattias Rönnblom
2021-08-03 10:06 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2021-10-26 17:31 ` [dpdk-dev] [PATCH " Mattias Rönnblom
2021-10-26 17:31 ` [dpdk-dev] [PATCH 2/3] event/dsw: make use of eventdev maintenance facility Mattias Rönnblom
2021-10-26 17:31 ` [dpdk-dev] [PATCH 3/3] eventdev: have adapters support device maintenance Mattias Rönnblom
2021-10-29 14:38 ` [dpdk-dev] [PATCH 1/3] eventdev: allow for event devices requiring maintenance Jerin Jacob
2021-10-29 15:03 ` Mattias Rönnblom
2021-10-29 15:17 ` Jerin Jacob
2021-10-29 16:02 ` Van Haaren, Harry
2021-10-31 9:29 ` Mattias Rönnblom
2021-10-30 17:19 ` Mattias Rönnblom
2021-10-31 13:17 ` Jerin Jacob
2021-11-01 13:28 ` [dpdk-dev] [PATCH v2 " Mattias Rönnblom
2021-11-01 13:28 ` [dpdk-dev] [PATCH v2 2/3] event/dsw: make use of eventdev maintenance facility Mattias Rönnblom
2021-11-01 13:28 ` [dpdk-dev] [PATCH v2 3/3] eventdev: have adapters support device maintenance Mattias Rönnblom
2021-11-04 12:33 ` [dpdk-dev] [PATCH 1/3] eventdev: allow for event devices requiring maintenance Jerin Jacob
2021-11-01 9:26 ` Mattias Rönnblom
2021-11-01 18:40 ` [dpdk-dev] [PATCH v3 " Mattias Rönnblom
2021-11-01 18:40 ` [dpdk-dev] [PATCH v3 2/3] event/dsw: make use of eventdev maintenance facility Mattias Rönnblom
2021-11-01 18:40 ` [dpdk-dev] [PATCH v3 3/3] eventdev: have adapters support device maintenance Mattias Rönnblom
2020-04-09 13:33 ` [dpdk-dev] [RFC 1/3] eventdev: allow for event devices requiring maintenance Eads, Gage
2020-04-09 14:14 ` Mattias Rönnblom
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