1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2016-2018 Intel Corporation. 3 * Copyright(C) 2021 Marvell. 4 * Copyright 2016 NXP 5 * All rights reserved. 6 */ 7 8 #ifndef _RTE_EVENTDEV_CORE_H_ 9 #define _RTE_EVENTDEV_CORE_H_ 10 11 #ifdef __cplusplus 12 extern "C" { 13 #endif 14 15 typedef uint16_t (*event_enqueue_t)(void *port, const struct rte_event *ev); 16 /**< @internal Enqueue event on port of a device */ 17 18 typedef uint16_t (*event_enqueue_burst_t)(void *port, 19 const struct rte_event ev[], 20 uint16_t nb_events); 21 /**< @internal Enqueue burst of events on port of a device */ 22 23 typedef uint16_t (*event_dequeue_t)(void *port, struct rte_event *ev, 24 uint64_t timeout_ticks); 25 /**< @internal Dequeue event from port of a device */ 26 27 typedef uint16_t (*event_dequeue_burst_t)(void *port, struct rte_event ev[], 28 uint16_t nb_events, 29 uint64_t timeout_ticks); 30 /**< @internal Dequeue burst of events from port of a device */ 31 32 typedef uint16_t (*event_tx_adapter_enqueue_t)(void *port, 33 struct rte_event ev[], 34 uint16_t nb_events); 35 /**< @internal Enqueue burst of events on port of a device */ 36 37 typedef uint16_t (*event_crypto_adapter_enqueue_t)(void *port, 38 struct rte_event ev[], 39 uint16_t nb_events); 40 /**< @internal Enqueue burst of events on crypto adapter */ 41 42 #define RTE_EVENTDEV_NAME_MAX_LEN (64) 43 /**< @internal Max length of name of event PMD */ 44 45 /** 46 * @internal 47 * The data part, with no function pointers, associated with each device. 48 * 49 * This structure is safe to place in shared memory to be common among 50 * different processes in a multi-process configuration. 51 */ 52 struct rte_eventdev_data { 53 int socket_id; 54 /**< Socket ID where memory is allocated */ 55 uint8_t dev_id; 56 /**< Device ID for this instance */ 57 uint8_t nb_queues; 58 /**< Number of event queues. */ 59 uint8_t nb_ports; 60 /**< Number of event ports. */ 61 void *ports[RTE_EVENT_MAX_PORTS_PER_DEV]; 62 /**< Array of pointers to ports. */ 63 struct rte_event_port_conf ports_cfg[RTE_EVENT_MAX_PORTS_PER_DEV]; 64 /**< Array of port configuration structures. */ 65 struct rte_event_queue_conf queues_cfg[RTE_EVENT_MAX_QUEUES_PER_DEV]; 66 /**< Array of queue configuration structures. */ 67 uint16_t links_map[RTE_EVENT_MAX_PORTS_PER_DEV * 68 RTE_EVENT_MAX_QUEUES_PER_DEV]; 69 /**< Memory to store queues to port connections. */ 70 void *dev_private; 71 /**< PMD-specific private data */ 72 uint32_t event_dev_cap; 73 /**< Event device capabilities(RTE_EVENT_DEV_CAP_)*/ 74 struct rte_event_dev_config dev_conf; 75 /**< Configuration applied to device. */ 76 uint8_t service_inited; 77 /* Service initialization state */ 78 uint32_t service_id; 79 /* Service ID*/ 80 void *dev_stop_flush_arg; 81 /**< User-provided argument for event flush function */ 82 83 RTE_STD_C11 84 uint8_t dev_started : 1; 85 /**< Device state: STARTED(1)/STOPPED(0) */ 86 87 char name[RTE_EVENTDEV_NAME_MAX_LEN]; 88 /**< Unique identifier name */ 89 90 uint64_t reserved_64s[4]; /**< Reserved for future fields */ 91 void *reserved_ptrs[4]; /**< Reserved for future fields */ 92 } __rte_cache_aligned; 93 94 /** @internal The data structure associated with each event device. */ 95 struct rte_eventdev { 96 event_enqueue_t enqueue; 97 /**< Pointer to PMD enqueue function. */ 98 event_enqueue_burst_t enqueue_burst; 99 /**< Pointer to PMD enqueue burst function. */ 100 event_enqueue_burst_t enqueue_new_burst; 101 /**< Pointer to PMD enqueue burst function(op new variant) */ 102 event_enqueue_burst_t enqueue_forward_burst; 103 /**< Pointer to PMD enqueue burst function(op forward variant) */ 104 event_dequeue_t dequeue; 105 /**< Pointer to PMD dequeue function. */ 106 event_dequeue_burst_t dequeue_burst; 107 /**< Pointer to PMD dequeue burst function. */ 108 event_tx_adapter_enqueue_t txa_enqueue_same_dest; 109 /**< Pointer to PMD eth Tx adapter burst enqueue function with 110 * events destined to same Eth port & Tx queue. 111 */ 112 event_tx_adapter_enqueue_t txa_enqueue; 113 /**< Pointer to PMD eth Tx adapter enqueue function. */ 114 struct rte_eventdev_data *data; 115 /**< Pointer to device data */ 116 struct eventdev_ops *dev_ops; 117 /**< Functions exported by PMD */ 118 struct rte_device *dev; 119 /**< Device info. supplied by probing */ 120 121 RTE_STD_C11 122 uint8_t attached : 1; 123 /**< Flag indicating the device is attached */ 124 125 event_crypto_adapter_enqueue_t ca_enqueue; 126 /**< Pointer to PMD crypto adapter enqueue function. */ 127 128 uint64_t reserved_64s[4]; /**< Reserved for future fields */ 129 void *reserved_ptrs[3]; /**< Reserved for future fields */ 130 } __rte_cache_aligned; 131 132 extern struct rte_eventdev *rte_eventdevs; 133 /** @internal The pool of rte_eventdev structures. */ 134 135 #ifdef __cplusplus 136 } 137 #endif 138 139 #endif /*_RTE_EVENTDEV_CORE_H_*/ 140