b1b3d9f905
Made libeventdev library independent of VDEV bus by moving vdev pmd specific function to rte_eventdev_pmd_vdev.h header file. Eventdev VDEV PMD can include that for generic eventdev VDEV init and uninit function enablement. Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/*
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*
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* Copyright(c) 2016-2017 Cavium networks. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium networks nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTE_EVENTDEV_PMD_VDEV_H_
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#define _RTE_EVENTDEV_PMD_VDEV_H_
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/** @file
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* RTE Eventdev VDEV PMD APIs
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*
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* @note
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* These API are from event VDEV PMD only and user applications should not call
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* them directly.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <string.h>
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#include <rte_debug.h>
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#include <rte_eal.h>
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#include <rte_vdev.h>
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#include "rte_eventdev_pmd.h"
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/**
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* @internal
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* Creates a new virtual event device and returns the pointer to that device.
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*
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* @param name
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* PMD type name
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* @param dev_private_size
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* Size of event PMDs private data
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* @param socket_id
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* Socket to allocate resources on.
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*
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* @return
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* - Eventdev pointer if device is successfully created.
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* - NULL if device cannot be created.
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*/
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static inline struct rte_eventdev *
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rte_event_pmd_vdev_init(const char *name, size_t dev_private_size,
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int socket_id)
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{
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struct rte_eventdev *eventdev;
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/* Allocate device structure */
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eventdev = rte_event_pmd_allocate(name, socket_id);
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if (eventdev == NULL)
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return NULL;
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/* Allocate private device structure */
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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eventdev->data->dev_private =
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rte_zmalloc_socket("eventdev device private",
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dev_private_size,
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RTE_CACHE_LINE_SIZE,
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socket_id);
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if (eventdev->data->dev_private == NULL)
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rte_panic("Cannot allocate memzone for private device"
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" data");
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}
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return eventdev;
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}
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/**
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* @internal
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* Destroy the given virtual event device
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*
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* @param name
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* PMD type name
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* @return
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* - 0 on success, negative on error
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*/
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static inline int
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rte_event_pmd_vdev_uninit(const char *name)
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{
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int ret;
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struct rte_eventdev *eventdev;
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if (name == NULL)
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return -EINVAL;
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eventdev = rte_event_pmd_get_named_dev(name);
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if (eventdev == NULL)
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return -ENODEV;
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ret = rte_event_dev_close(eventdev->data->dev_id);
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if (ret < 0)
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return ret;
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/* Free the event device */
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rte_event_pmd_release(eventdev);
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_EVENTDEV_PMD_VDEV_H_ */
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