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 struct rte_event_fp_ops { 43 void **data; 44 /**< points to array of internal port data pointers */ 45 event_enqueue_t enqueue; 46 /**< PMD enqueue function. */ 47 event_enqueue_burst_t enqueue_burst; 48 /**< PMD enqueue burst function. */ 49 event_enqueue_burst_t enqueue_new_burst; 50 /**< PMD enqueue burst new function. */ 51 event_enqueue_burst_t enqueue_forward_burst; 52 /**< PMD enqueue burst fwd function. */ 53 event_dequeue_t dequeue; 54 /**< PMD dequeue function. */ 55 event_dequeue_burst_t dequeue_burst; 56 /**< PMD dequeue burst function. */ 57 event_tx_adapter_enqueue_t txa_enqueue; 58 /**< PMD Tx adapter enqueue function. */ 59 event_tx_adapter_enqueue_t txa_enqueue_same_dest; 60 /**< PMD Tx adapter enqueue same destination function. */ 61 event_crypto_adapter_enqueue_t ca_enqueue; 62 /**< PMD Crypto adapter enqueue function. */ 63 uintptr_t reserved[6]; 64 } __rte_cache_aligned; 65 66 extern struct rte_event_fp_ops rte_event_fp_ops[RTE_EVENT_MAX_DEVS]; 67 68 #define RTE_EVENTDEV_NAME_MAX_LEN (64) 69 /**< @internal Max length of name of event PMD */ 70 71 /** 72 * @internal 73 * The data part, with no function pointers, associated with each device. 74 * 75 * This structure is safe to place in shared memory to be common among 76 * different processes in a multi-process configuration. 77 */ 78 struct rte_eventdev_data { 79 int socket_id; 80 /**< Socket ID where memory is allocated */ 81 uint8_t dev_id; 82 /**< Device ID for this instance */ 83 uint8_t nb_queues; 84 /**< Number of event queues. */ 85 uint8_t nb_ports; 86 /**< Number of event ports. */ 87 void *ports[RTE_EVENT_MAX_PORTS_PER_DEV]; 88 /**< Array of pointers to ports. */ 89 struct rte_event_port_conf ports_cfg[RTE_EVENT_MAX_PORTS_PER_DEV]; 90 /**< Array of port configuration structures. */ 91 struct rte_event_queue_conf queues_cfg[RTE_EVENT_MAX_QUEUES_PER_DEV]; 92 /**< Array of queue configuration structures. */ 93 uint16_t links_map[RTE_EVENT_MAX_PORTS_PER_DEV * 94 RTE_EVENT_MAX_QUEUES_PER_DEV]; 95 /**< Memory to store queues to port connections. */ 96 void *dev_private; 97 /**< PMD-specific private data */ 98 uint32_t event_dev_cap; 99 /**< Event device capabilities(RTE_EVENT_DEV_CAP_)*/ 100 struct rte_event_dev_config dev_conf; 101 /**< Configuration applied to device. */ 102 uint8_t service_inited; 103 /* Service initialization state */ 104 uint32_t service_id; 105 /* Service ID*/ 106 void *dev_stop_flush_arg; 107 /**< User-provided argument for event flush function */ 108 109 RTE_STD_C11 110 uint8_t dev_started : 1; 111 /**< Device state: STARTED(1)/STOPPED(0) */ 112 113 char name[RTE_EVENTDEV_NAME_MAX_LEN]; 114 /**< Unique identifier name */ 115 116 uint64_t reserved_64s[4]; /**< Reserved for future fields */ 117 void *reserved_ptrs[4]; /**< Reserved for future fields */ 118 } __rte_cache_aligned; 119 120 /** @internal The data structure associated with each event device. */ 121 struct rte_eventdev { 122 event_enqueue_t enqueue; 123 /**< Pointer to PMD enqueue function. */ 124 event_enqueue_burst_t enqueue_burst; 125 /**< Pointer to PMD enqueue burst function. */ 126 event_enqueue_burst_t enqueue_new_burst; 127 /**< Pointer to PMD enqueue burst function(op new variant) */ 128 event_enqueue_burst_t enqueue_forward_burst; 129 /**< Pointer to PMD enqueue burst function(op forward variant) */ 130 event_dequeue_t dequeue; 131 /**< Pointer to PMD dequeue function. */ 132 event_dequeue_burst_t dequeue_burst; 133 /**< Pointer to PMD dequeue burst function. */ 134 event_tx_adapter_enqueue_t txa_enqueue_same_dest; 135 /**< Pointer to PMD eth Tx adapter burst enqueue function with 136 * events destined to same Eth port & Tx queue. 137 */ 138 event_tx_adapter_enqueue_t txa_enqueue; 139 /**< Pointer to PMD eth Tx adapter enqueue function. */ 140 struct rte_eventdev_data *data; 141 /**< Pointer to device data */ 142 struct eventdev_ops *dev_ops; 143 /**< Functions exported by PMD */ 144 struct rte_device *dev; 145 /**< Device info. supplied by probing */ 146 147 RTE_STD_C11 148 uint8_t attached : 1; 149 /**< Flag indicating the device is attached */ 150 151 event_crypto_adapter_enqueue_t ca_enqueue; 152 /**< Pointer to PMD crypto adapter enqueue function. */ 153 154 uint64_t reserved_64s[4]; /**< Reserved for future fields */ 155 void *reserved_ptrs[3]; /**< Reserved for future fields */ 156 } __rte_cache_aligned; 157 158 extern struct rte_eventdev *rte_eventdevs; 159 /** @internal The pool of rte_eventdev structures. */ 160 161 #ifdef __cplusplus 162 } 163 #endif 164 165 #endif /*_RTE_EVENTDEV_CORE_H_*/ 166