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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Harry van Haaren <harry.van.haaren@intel.com>
Cc: <dev@dpdk.org>, Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2 03/15] event/sw: add new software-only eventdev driver
Date: Mon, 6 Feb 2017 14:02:55 +0530	[thread overview]
Message-ID: <20170206083254.GD25242@localhost.localdomain> (raw)
In-Reply-To: <1485879273-86228-4-git-send-email-harry.van.haaren@intel.com>

On Tue, Jan 31, 2017 at 04:14:21PM +0000, Harry van Haaren wrote:
> From: Bruce Richardson <bruce.richardson@intel.com>
> 
> This adds the minimal changes to allow a SW eventdev implementation to
> be compiled, linked and created at run time. The eventdev does nothing,
> but can be created via vdev on commandline, e.g.
> 
>   sudo ./x86_64-native-linuxapp-gcc/app/test --vdev=event_sw0
>   ...
>   PMD: Creating eventdev sw device event_sw0, numa_node=0, sched_quanta=128
>   RTE>>

Like other PMDs, I think, we need to add PMD specific documentation at
doc/guides/eventdevs/sw.rst?

reference:
http://dpdk.org/browse/next/dpdk-next-crypto/tree/doc/guides/cryptodevs/zuc.rst

> 
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
> +# library dependencies
> +DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += lib/librte_eal
> +DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += lib/librte_eventdev
> +DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += lib/librte_kvargs
> +DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += lib/librte_ring
> +
> +include $(RTE_SDK)/mk/rte.lib.mk
> diff --git a/drivers/event/sw/rte_pmd_evdev_sw_version.map b/drivers/event/sw/rte_pmd_evdev_sw_version.map
> new file mode 100644
> index 0000000..1f84b68
> --- /dev/null
> +++ b/drivers/event/sw/rte_pmd_evdev_sw_version.map
> @@ -0,0 +1,3 @@
> +DPDK_17.02 {

DPDK_17.05

> +	local: *;
> +};
> diff --git a/drivers/event/sw/sw_evdev.c b/drivers/event/sw/sw_evdev.c
> new file mode 100644
> index 0000000..d60f00f
> --- /dev/null
> +++ b/drivers/event/sw/sw_evdev.c
> @@ -0,0 +1,178 @@
> +/*-
> + *   BSD LICENSE
> + *
> + *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
> + *
> + *   Redistribution and use in source and binary forms, with or without
> + *   modification, are permitted provided that the following conditions
> + *   are met:
> + *
> + *     * Redistributions of source code must retain the above copyright
> + *       notice, this list of conditions and the following disclaimer.
> + *     * Redistributions in binary form must reproduce the above copyright
> + *       notice, this list of conditions and the following disclaimer in
> + *       the documentation and/or other materials provided with the
> + *       distribution.
> + *     * Neither the name of Intel Corporation nor the names of its
> + *       contributors may be used to endorse or promote products derived
> + *       from this software without specific prior written permission.
> + *
> + *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +	}
> +
> +	RTE_LOG(INFO, PMD,
> +			"Creating eventdev sw device %s, numa_node=%d, sched_quanta=%d, credit_quanta=%d\n",
> +			name, socket_id, sched_quanta, credit_quanta);
> +
> +	dev = rte_event_pmd_vdev_init(name,
> +			sizeof(struct sw_evdev), socket_id);
> +	if (dev == NULL) {
> +		printf("eventdev vdev init() failed");

IMO, We need to avoid using printf for error reporting.I guess there are
multiple instance of the same in the patch series.

> +		return -EFAULT;
> +	}
> +	dev->dev_ops = &evdev_sw_ops;
> +
> +	sw = dev->data->dev_private;
> +	sw->data = dev->data;
> +
> +	/* copy values passed from vdev command line to instance */
> +	sw->credit_update_quanta = credit_quanta;
> +	sw->sched_quanta = sched_quanta;
> +
> +	return 0;
> +}
> +
> +static int
> +sw_remove(const char *name)
> +{
> +	if (name == NULL)
> +		return -EINVAL;
> +
> +	RTE_LOG(INFO, PMD, "Closing eventdev sw device %s\n", name);
> +	/* TODO unregister eventdev and release memzone */

I have sent a patch to address this.

> +
> +	return 0;
> +}
> +

  reply	other threads:[~2017-02-06  8:33 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1484580885-148524-1-git-send-email-harry.van.haaren@intel.com>
2017-01-31 16:14 ` [dpdk-dev] [PATCH v2 00/15] next-eventdev: event/sw software eventdev Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 01/15] eventdev: remove unneeded dependencies Harry van Haaren
2017-02-06  8:12     ` Jerin Jacob
2017-02-08 14:35       ` Jerin Jacob
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 02/15] eventdev: add APIs for extended stats Harry van Haaren
2017-02-06  8:22     ` Jerin Jacob
2017-02-06 10:37       ` Van Haaren, Harry
2017-02-07  6:24         ` Jerin Jacob
2017-02-09 14:04           ` Van Haaren, Harry
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 03/15] event/sw: add new software-only eventdev driver Harry van Haaren
2017-02-06  8:32     ` Jerin Jacob [this message]
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 04/15] event/sw: add device capabilities function Harry van Haaren
2017-02-06  8:34     ` Jerin Jacob
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 05/15] event/sw: add configure function Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 06/15] event/sw: add fns to return default port/queue config Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 07/15] event/sw: add support for event queues Harry van Haaren
2017-02-06  9:25     ` Jerin Jacob
2017-02-06 10:25       ` Van Haaren, Harry
2017-02-07  6:58         ` Jerin Jacob
2017-02-07  9:58           ` Van Haaren, Harry
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 08/15] event/sw: add support for event ports Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 09/15] event/sw: add support for linking queues to ports Harry van Haaren
2017-02-06  9:37     ` Jerin Jacob
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 10/15] event/sw: add worker core functions Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 11/15] event/sw: add scheduling logic Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 12/15] event/sw: add start stop and close functions Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 13/15] event/sw: add dump function for easier debugging Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 14/15] event/sw: add xstats support Harry van Haaren
2017-01-31 16:14   ` [dpdk-dev] [PATCH v2 15/15] app/test: add unit tests for SW eventdev driver Harry van Haaren
2017-02-08 10:23     ` Jerin Jacob
2017-02-08 10:44       ` Van Haaren, Harry
2017-02-13 10:28         ` Jerin Jacob
2017-02-13 10:45           ` Bruce Richardson
2017-02-13 11:21             ` Jerin Jacob
2017-02-08 18:02       ` Nipun Gupta
2017-02-13 11:37         ` Jerin Jacob
2017-02-11  9:13     ` Jerin Jacob
2017-02-06  8:07   ` [dpdk-dev] [PATCH v2 00/15] next-eventdev: event/sw software eventdev Jerin Jacob
2017-02-06 10:14     ` Van Haaren, Harry
2017-02-17 14:53   ` [dpdk-dev] [PATCH v3 00/17] " Harry van Haaren
2017-02-17 14:53     ` [dpdk-dev] [PATCH v3 01/17] eventdev: fix API docs and test for timeout ticks Harry van Haaren
2017-02-20 15:22       ` Mcnamara, John
2017-03-06 10:33       ` Jerin Jacob
2017-03-10 15:24         ` Van Haaren, Harry
2017-03-08 10:35       ` [dpdk-dev] [PATCH] eventdev: improve API docs " Harry van Haaren
2017-03-13  8:48         ` Jerin Jacob
2017-02-17 14:53     ` [dpdk-dev] [PATCH v3 02/17] eventdev: increase size of enq deq conf variables Harry van Haaren
2017-02-19 12:05       ` Jerin Jacob
2017-02-17 14:53     ` [dpdk-dev] [PATCH v3 03/17] app/test: eventdev link all queues before start Harry van Haaren
2017-02-19 12:09       ` Jerin Jacob
2017-02-17 14:53     ` [dpdk-dev] [PATCH v3 04/17] eventdev: add APIs for extended stats Harry van Haaren
2017-02-19 12:32       ` Jerin Jacob
2017-02-20 12:12         ` Van Haaren, Harry
2017-02-20 12:34           ` Jerin Jacob
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 05/17] event/sw: add new software-only eventdev driver Harry van Haaren
2017-02-19 12:37       ` Jerin Jacob
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 06/17] event/sw: add device capabilities function Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 07/17] event/sw: add configure function Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 08/17] event/sw: add fns to return default port/queue config Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 09/17] event/sw: add support for event queues Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 10/17] event/sw: add support for event ports Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 11/17] event/sw: add support for linking queues to ports Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 12/17] event/sw: add worker core functions Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 13/17] event/sw: add scheduling logic Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 14/17] event/sw: add start stop and close functions Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 15/17] event/sw: add dump function for easier debugging Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 16/17] event/sw: add xstats support Harry van Haaren
2017-02-17 14:54     ` [dpdk-dev] [PATCH v3 17/17] app/test: add unit tests for SW eventdev driver Harry van Haaren
2017-03-10 19:43     ` [dpdk-dev] [PATCH v4 00/17] next-eventdev: event/sw software eventdev Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 01/17] eventdev: increase size of enq deq conf variables Harry van Haaren
2017-03-13  8:47         ` Jerin Jacob
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 02/17] app/test: eventdev link all queues before start Harry van Haaren
2017-03-20  4:46         ` Jerin Jacob
2017-03-23 10:18           ` Jerin Jacob
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 03/17] test/eventdev: rework timeout ticks test Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 04/17] eventdev: add APIs for extended stats Harry van Haaren
2017-03-17 12:22         ` Jerin Jacob
2017-03-23 10:20           ` Jerin Jacob
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 05/17] event/sw: add new software-only eventdev driver Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 06/17] event/sw: add device capabilities function Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 07/17] event/sw: add configure function Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 08/17] event/sw: add fns to return default port/queue config Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 09/17] event/sw: add support for event queues Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 10/17] event/sw: add support for event ports Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 11/17] event/sw: add support for linking queues to ports Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 12/17] event/sw: add worker core functions Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 13/17] event/sw: add scheduling logic Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 14/17] event/sw: add start stop and close functions Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 15/17] event/sw: add dump function for easier debugging Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 16/17] event/sw: add xstats support Harry van Haaren
2017-03-10 19:43       ` [dpdk-dev] [PATCH v4 17/17] app/test: add unit tests for SW eventdev driver Harry van Haaren

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