1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (C) 2020 Marvell International Ltd.
4 #ifndef _EVENT_HELPER_H_
5 #define _EVENT_HELPER_H_
9 #define RTE_LOGTYPE_EH RTE_LOGTYPE_USER4
11 #define EH_LOG_ERR(...) \
13 RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", \
14 __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__ ,)))
16 #define EH_LOG_INFO(...) \
18 RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", \
19 __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__ ,)))
21 /* Max event devices supported */
22 #define EVENT_MODE_MAX_EVENT_DEVS RTE_EVENT_MAX_DEVS
24 /* Max Rx adapters supported */
25 #define EVENT_MODE_MAX_RX_ADAPTERS RTE_EVENT_MAX_DEVS
27 /* Max Tx adapters supported */
28 #define EVENT_MODE_MAX_TX_ADAPTERS RTE_EVENT_MAX_DEVS
30 /* Max Rx adapter connections */
31 #define EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER 16
33 /* Max Tx adapter connections */
34 #define EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER 16
36 /* Max event queues supported per event device */
37 #define EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV RTE_EVENT_MAX_QUEUES_PER_DEV
39 /* Max event-lcore links */
40 #define EVENT_MODE_MAX_LCORE_LINKS \
41 (EVENT_MODE_MAX_EVENT_DEVS * EVENT_MODE_MAX_EVENT_QUEUES_PER_DEV)
43 /* Max adapters that one Rx core can handle */
44 #define EVENT_MODE_MAX_ADAPTERS_PER_RX_CORE EVENT_MODE_MAX_RX_ADAPTERS
46 /* Max adapters that one Tx core can handle */
47 #define EVENT_MODE_MAX_ADAPTERS_PER_TX_CORE EVENT_MODE_MAX_TX_ADAPTERS
50 * Packet transfer mode of the application
52 enum eh_pkt_transfer_mode {
53 EH_PKT_TRANSFER_MODE_POLL = 0,
54 EH_PKT_TRANSFER_MODE_EVENT,
58 * Event mode packet rx types
61 EH_RX_TYPE_NON_BURST = 0,
66 * Event mode packet tx types
69 EH_TX_TYPE_INTERNAL_PORT = 0,
70 EH_TX_TYPE_NO_INTERNAL_PORT
73 /* Event dev params */
74 struct eventdev_params {
76 uint8_t nb_eventqueue;
78 uint8_t ev_queue_mode;
79 uint8_t all_internal_ports;
83 * Event-lcore link configuration
85 struct eh_event_link_info {
87 /**< Event device ID */
88 uint8_t event_port_id;
91 /**< Event queue to be linked to the port */
93 /**< Lcore to be polling on this port */
96 /* Rx adapter connection info */
97 struct rx_adapter_connection_info {
100 int32_t ethdev_rx_qid;
103 /* Rx adapter conf */
104 struct rx_adapter_conf {
108 uint8_t nb_connections;
109 struct rx_adapter_connection_info
110 conn[EVENT_MODE_MAX_CONNECTIONS_PER_ADAPTER];
113 /* Tx adapter connection info */
114 struct tx_adapter_connection_info {
116 int32_t ethdev_tx_qid;
119 /* Tx adapter conf */
120 struct tx_adapter_conf {
124 uint8_t nb_connections;
125 struct tx_adapter_connection_info
126 conn[EVENT_MODE_MAX_CONNECTIONS_PER_TX_ADAPTER];
130 /* Eventmode conf data */
131 struct eventmode_conf {
133 /**< No of event devs */
134 struct eventdev_params eventdev_config[EVENT_MODE_MAX_EVENT_DEVS];
135 /**< Per event dev conf */
136 uint8_t nb_rx_adapter;
137 /**< No of Rx adapters */
138 struct rx_adapter_conf rx_adapter[EVENT_MODE_MAX_RX_ADAPTERS];
139 /**< Rx adapter conf */
140 uint8_t nb_tx_adapter;
141 /**< No of Tx adapters */
142 struct tx_adapter_conf tx_adapter[EVENT_MODE_MAX_TX_ADAPTERS];
143 /** Tx adapter conf */
146 struct eh_event_link_info
147 link[EVENT_MODE_MAX_LCORE_LINKS];
148 /**< Per link conf */
149 struct rte_bitmap *eth_core_mask;
150 /**< Core mask of cores to be used for software Rx and Tx */
151 uint32_t eth_portmask;
152 /**< Mask of the eth ports to be used */
156 uint64_t sched_type : 2;
157 /**< Schedule type */
158 uint64_t all_ev_queue_to_ev_port : 1;
160 * When enabled, all event queues need to be mapped to
166 /**< 64 bit field to specify extended params */
170 * Event helper configuration
173 enum eh_pkt_transfer_mode mode;
174 /**< Packet transfer mode of the application */
175 uint32_t eth_portmask;
177 * Mask of the eth ports to be used. This portmask would be
178 * checked while initializing devices using helper routines.
181 /**< Mode specific parameters */
184 /* Workers registered by the application */
185 struct eh_app_worker_params {
190 /**< Specify status of rx type burst */
191 uint64_t tx_internal_port : 1;
192 /**< Specify whether tx internal port is available */
196 /**< Capabilities of this worker */
197 void (*worker_thread)(struct eh_event_link_info *links,
199 /**< Worker thread */
203 * Initialize event mode devices
205 * Application can call this function to get the event devices, eth devices
206 * and eth rx & tx adapters initialized according to the default config or
207 * config populated using the command line args.
209 * Application is expected to initialize the eth devices and then the event
210 * mode helper subsystem will stop & start eth devices according to its
211 * requirement. Call to this function should be done after the eth devices
212 * are successfully initialized.
215 * Event helper configuration
221 eh_devs_init(struct eh_conf *conf);
224 * Release event mode devices
226 * Application can call this function to release event devices,
227 * eth rx & tx adapters according to the config.
229 * Call to this function should be done before application stops
230 * and closes eth devices. This function will not close and stop
234 * Event helper configuration
240 eh_devs_uninit(struct eh_conf *conf);
243 * Get eventdev tx queue
245 * If the application uses event device which does not support internal port
246 * then it needs to submit the events to a Tx queue before final transmission.
247 * This Tx queue will be created internally by the eventmode helper subsystem,
248 * and application will need its queue ID when it runs the execution loop.
251 * Event helper configuration
258 eh_get_tx_queue(struct eh_conf *conf, uint8_t eventdev_id);
261 * Display event mode configuration
264 * Event helper configuration
267 eh_display_conf(struct eh_conf *conf);
271 * Launch eventmode worker
273 * The application can request the eventmode helper subsystem to launch the
274 * worker based on the capabilities of event device and the options selected
275 * while initializing the eventmode.
278 * Event helper configuration
280 * List of all the workers registered by application, along with its
282 * @param nb_wrkr_param
283 * Number of workers passed by the application
287 eh_launch_worker(struct eh_conf *conf, struct eh_app_worker_params *app_wrkr,
288 uint8_t nb_wrkr_param);
290 #endif /* _EVENT_HELPER_H_ */