rte_eventdev_pmd_vdev.h

Go to the documentation of this file.

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2016-2017 Cavium, Inc
 */

#ifndef _RTE_EVENTDEV_PMD_VDEV_H_
#define _RTE_EVENTDEV_PMD_VDEV_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <string.h>

#include <rte_config.h>
#include <rte_debug.h>
#include <rte_eal.h>
#include <rte_bus_vdev.h>

#include "rte_eventdev_pmd.h"

static inline struct rte_eventdev *
rte_event_pmd_vdev_init(const char *name, size_t dev_private_size,
        int socket_id)
{

    struct rte_eventdev *eventdev;

    /* Allocate device structure */
    eventdev = rte_event_pmd_allocate(name, socket_id);
    if (eventdev == NULL)
        return NULL;

    /* Allocate private device structure */
    if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
        eventdev->data->dev_private =
                rte_zmalloc_socket("eventdev device private",
                        dev_private_size,
                        RTE_CACHE_LINE_SIZE,
                        socket_id);

        if (eventdev->data->dev_private == NULL)
            rte_panic("Cannot allocate memzone for private device"
                    " data");
    }

    return eventdev;
}

static inline int
rte_event_pmd_vdev_uninit(const char *name)
{
    int ret;
    struct rte_eventdev *eventdev;

    if (name == NULL)
        return -EINVAL;

    eventdev = rte_event_pmd_get_named_dev(name);
    if (eventdev == NULL)
        return -ENODEV;

    ret = rte_event_dev_close(eventdev->data->dev_id);
    if (ret < 0)
        return ret;

    /* Free the event device */
    rte_event_pmd_release(eventdev);

    return 0;
}

#ifdef __cplusplus
}
#endif

#endif /* _RTE_EVENTDEV_PMD_VDEV_H_ */