199a2dd95SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause 299a2dd95SBruce Richardson * Copyright(c) 2016-2017 Cavium, Inc 399a2dd95SBruce Richardson */ 499a2dd95SBruce Richardson 599a2dd95SBruce Richardson #ifndef _RTE_EVENTDEV_PMD_VDEV_H_ 699a2dd95SBruce Richardson #define _RTE_EVENTDEV_PMD_VDEV_H_ 799a2dd95SBruce Richardson 899a2dd95SBruce Richardson /** @file 999a2dd95SBruce Richardson * RTE Eventdev VDEV PMD APIs 1099a2dd95SBruce Richardson * 1199a2dd95SBruce Richardson * @note 1299a2dd95SBruce Richardson * These API are from event VDEV PMD only and user applications should not call 1399a2dd95SBruce Richardson * them directly. 1499a2dd95SBruce Richardson */ 1599a2dd95SBruce Richardson 1699a2dd95SBruce Richardson #include <string.h> 1799a2dd95SBruce Richardson 1899a2dd95SBruce Richardson #include <rte_config.h> 1999a2dd95SBruce Richardson #include <rte_debug.h> 2099a2dd95SBruce Richardson #include <rte_eal.h> 2199a2dd95SBruce Richardson #include <rte_bus_vdev.h> 2299a2dd95SBruce Richardson 2399a2dd95SBruce Richardson #include "eventdev_pmd.h" 2499a2dd95SBruce Richardson 2599a2dd95SBruce Richardson /** 2699a2dd95SBruce Richardson * @internal 2799a2dd95SBruce Richardson * Creates a new virtual event device and returns the pointer to that device. 2899a2dd95SBruce Richardson * 2999a2dd95SBruce Richardson * @param name 3099a2dd95SBruce Richardson * PMD type name 3199a2dd95SBruce Richardson * @param dev_private_size 3299a2dd95SBruce Richardson * Size of event PMDs private data 3399a2dd95SBruce Richardson * @param socket_id 3499a2dd95SBruce Richardson * Socket to allocate resources on. 3599a2dd95SBruce Richardson * 3699a2dd95SBruce Richardson * @return 3799a2dd95SBruce Richardson * - Eventdev pointer if device is successfully created. 3899a2dd95SBruce Richardson * - NULL if device cannot be created. 3999a2dd95SBruce Richardson */ 40*23d06e37SPavan Nikhilesh __rte_internal 4199a2dd95SBruce Richardson static inline struct rte_eventdev * 4299a2dd95SBruce Richardson rte_event_pmd_vdev_init(const char *name, size_t dev_private_size, 4399a2dd95SBruce Richardson int socket_id) 4499a2dd95SBruce Richardson { 4599a2dd95SBruce Richardson 4699a2dd95SBruce Richardson struct rte_eventdev *eventdev; 4799a2dd95SBruce Richardson 4899a2dd95SBruce Richardson /* Allocate device structure */ 4999a2dd95SBruce Richardson eventdev = rte_event_pmd_allocate(name, socket_id); 5099a2dd95SBruce Richardson if (eventdev == NULL) 5199a2dd95SBruce Richardson return NULL; 5299a2dd95SBruce Richardson 5399a2dd95SBruce Richardson /* Allocate private device structure */ 5499a2dd95SBruce Richardson if (rte_eal_process_type() == RTE_PROC_PRIMARY) { 5599a2dd95SBruce Richardson eventdev->data->dev_private = 5699a2dd95SBruce Richardson rte_zmalloc_socket("eventdev device private", 5799a2dd95SBruce Richardson dev_private_size, 5899a2dd95SBruce Richardson RTE_CACHE_LINE_SIZE, 5999a2dd95SBruce Richardson socket_id); 6099a2dd95SBruce Richardson 6199a2dd95SBruce Richardson if (eventdev->data->dev_private == NULL) 6299a2dd95SBruce Richardson rte_panic("Cannot allocate memzone for private device" 6399a2dd95SBruce Richardson " data"); 6499a2dd95SBruce Richardson } 6599a2dd95SBruce Richardson 6699a2dd95SBruce Richardson return eventdev; 6799a2dd95SBruce Richardson } 6899a2dd95SBruce Richardson 6999a2dd95SBruce Richardson /** 7099a2dd95SBruce Richardson * @internal 7199a2dd95SBruce Richardson * Destroy the given virtual event device 7299a2dd95SBruce Richardson * 7399a2dd95SBruce Richardson * @param name 7499a2dd95SBruce Richardson * PMD type name 7599a2dd95SBruce Richardson * @return 7699a2dd95SBruce Richardson * - 0 on success, negative on error 7799a2dd95SBruce Richardson */ 78*23d06e37SPavan Nikhilesh __rte_internal 7999a2dd95SBruce Richardson static inline int 8099a2dd95SBruce Richardson rte_event_pmd_vdev_uninit(const char *name) 8199a2dd95SBruce Richardson { 8299a2dd95SBruce Richardson int ret; 8399a2dd95SBruce Richardson struct rte_eventdev *eventdev; 8499a2dd95SBruce Richardson 8599a2dd95SBruce Richardson if (name == NULL) 8699a2dd95SBruce Richardson return -EINVAL; 8799a2dd95SBruce Richardson 8899a2dd95SBruce Richardson eventdev = rte_event_pmd_get_named_dev(name); 8999a2dd95SBruce Richardson if (eventdev == NULL) 9099a2dd95SBruce Richardson return -ENODEV; 9199a2dd95SBruce Richardson 9299a2dd95SBruce Richardson ret = rte_event_dev_close(eventdev->data->dev_id); 9399a2dd95SBruce Richardson if (ret < 0) 9499a2dd95SBruce Richardson return ret; 9599a2dd95SBruce Richardson 9699a2dd95SBruce Richardson /* Free the event device */ 9799a2dd95SBruce Richardson rte_event_pmd_release(eventdev); 9899a2dd95SBruce Richardson 9999a2dd95SBruce Richardson return 0; 10099a2dd95SBruce Richardson } 10199a2dd95SBruce Richardson 10299a2dd95SBruce Richardson #endif /* _RTE_EVENTDEV_PMD_VDEV_H_ */ 103