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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2016-2017 Cavium, Inc
*/
#ifndef _RTE_EVENTDEV_PMD_VDEV_H_
#define _RTE_EVENTDEV_PMD_VDEV_H_
/** @file
* RTE Eventdev VDEV PMD APIs
*
* @note
* These API are from event VDEV PMD only and user applications should not call
* them directly.
*/
#include <string.h>
#include <rte_compat.h>
#include <rte_config.h>
#include <rte_debug.h>
#include <rte_eal.h>
#include <bus_vdev_driver.h>
#include "eventdev_pmd.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @internal
* Creates a new virtual event device and returns the pointer to that device.
*
* @param name
* PMD type name
* @param dev_private_size
* Size of event PMDs private data
* @param socket_id
* Socket to allocate resources on.
*
* @return
* - Eventdev pointer if device is successfully created.
* - NULL if device cannot be created.
*/
__rte_internal
static inline struct rte_eventdev *
rte_event_pmd_vdev_init(const char *name, size_t dev_private_size,
int socket_id, struct rte_vdev_device *vdev)
{
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");
}
eventdev->dev = &vdev->device;
return eventdev;
}
/**
* @internal
* Destroy the given virtual event device
*
* @param name
* PMD type name
* @return
* - 0 on success, negative on error
*/
__rte_internal
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_ */
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