1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2018 Intel Corporation.
3 * Copyright(C) 2021 Marvell.
8 #ifndef _RTE_EVENTDEV_CORE_H_
9 #define _RTE_EVENTDEV_CORE_H_
15 typedef uint16_t (*event_enqueue_t)(void *port, const struct rte_event *ev);
16 /**< @internal Enqueue event on port of a device */
18 typedef uint16_t (*event_enqueue_burst_t)(void *port,
19 const struct rte_event ev[],
21 /**< @internal Enqueue burst of events on port of a device */
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 */
27 typedef uint16_t (*event_dequeue_burst_t)(void *port, struct rte_event ev[],
29 uint64_t timeout_ticks);
30 /**< @internal Dequeue burst of events from port of a device */
32 typedef uint16_t (*event_tx_adapter_enqueue_t)(void *port,
33 struct rte_event ev[],
35 /**< @internal Enqueue burst of events on port of a device */
37 typedef uint16_t (*event_crypto_adapter_enqueue_t)(void *port,
38 struct rte_event ev[],
40 /**< @internal Enqueue burst of events on crypto adapter */
42 #define RTE_EVENTDEV_NAME_MAX_LEN (64)
43 /**< @internal Max length of name of event PMD */
47 * The data part, with no function pointers, associated with each device.
49 * This structure is safe to place in shared memory to be common among
50 * different processes in a multi-process configuration.
52 struct rte_eventdev_data {
54 /**< Socket ID where memory is allocated */
56 /**< Device ID for this instance */
58 /**< Number of event queues. */
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. */
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 */
80 void *dev_stop_flush_arg;
81 /**< User-provided argument for event flush function */
84 uint8_t dev_started : 1;
85 /**< Device state: STARTED(1)/STOPPED(0) */
87 char name[RTE_EVENTDEV_NAME_MAX_LEN];
88 /**< Unique identifier name */
90 uint64_t reserved_64s[4]; /**< Reserved for future fields */
91 void *reserved_ptrs[4]; /**< Reserved for future fields */
92 } __rte_cache_aligned;
94 /** @internal The data structure associated with each event device. */
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.
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 */
122 uint8_t attached : 1;
123 /**< Flag indicating the device is attached */
125 event_crypto_adapter_enqueue_t ca_enqueue;
126 /**< Pointer to PMD crypto adapter enqueue function. */
128 uint64_t reserved_64s[4]; /**< Reserved for future fields */
129 void *reserved_ptrs[3]; /**< Reserved for future fields */
130 } __rte_cache_aligned;
132 extern struct rte_eventdev *rte_eventdevs;
133 /** @internal The pool of rte_eventdev structures. */
139 #endif /*_RTE_EVENTDEV_CORE_H_*/