1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Cavium, Inc
5 #ifndef _RTE_EVENTDEV_PMD_H_
6 #define _RTE_EVENTDEV_PMD_H_
12 * These API are from event PMD only and user applications should not call
18 #include <rte_common.h>
19 #include <rte_compat.h>
20 #include <rte_config.h>
23 #include <rte_malloc.h>
25 #include <rte_mbuf_dyn.h>
27 #include "rte_eventdev.h"
28 #include "rte_event_timer_adapter_pmd.h"
31 #define RTE_EDEV_LOG_ERR(...) \
32 RTE_LOG(ERR, EVENTDEV, \
33 RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
34 __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
36 #ifdef RTE_LIBRTE_EVENTDEV_DEBUG
37 #define RTE_EDEV_LOG_DEBUG(...) \
38 RTE_LOG(DEBUG, EVENTDEV, \
39 RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
40 __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
42 #define RTE_EDEV_LOG_DEBUG(...) (void)0
45 /* Macros to check for valid device */
46 #define RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, retval) do { \
47 if (!rte_event_pmd_is_valid_dev((dev_id))) { \
48 RTE_EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
53 #define RTE_EVENTDEV_VALID_DEVID_OR_ERRNO_RET(dev_id, errno, retval) do { \
54 if (!rte_event_pmd_is_valid_dev((dev_id))) { \
55 RTE_EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
61 #define RTE_EVENTDEV_VALID_DEVID_OR_RET(dev_id) do { \
62 if (!rte_event_pmd_is_valid_dev((dev_id))) { \
63 RTE_EDEV_LOG_ERR("Invalid dev_id=%d\n", dev_id); \
68 #define RTE_EVENT_ETH_RX_ADAPTER_SW_CAP \
69 ((RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID) | \
70 (RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ) | \
71 (RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR))
73 #define RTE_EVENT_CRYPTO_ADAPTER_SW_CAP \
74 RTE_EVENT_CRYPTO_ADAPTER_CAP_SESSION_PRIVATE_DATA
76 /**< Ethernet Rx adapter cap to return If the packet transfers from
77 * the ethdev to eventdev use a SW service function
80 #define RTE_EVENTDEV_DETACHED (0)
81 #define RTE_EVENTDEV_ATTACHED (1)
83 #define RTE_EVENTDEV_NAME_MAX_LEN (64)
84 /**< @internal Max length of name of event PMD */
88 /** Global structure used for maintaining state of allocated event devices */
89 struct rte_eventdev_global {
90 uint8_t nb_devs; /**< Number of devices found */
95 * The data part, with no function pointers, associated with each device.
97 * This structure is safe to place in shared memory to be common among
98 * different processes in a multi-process configuration.
100 struct rte_eventdev_data {
102 /**< Socket ID where memory is allocated */
104 /**< Device ID for this instance */
106 /**< Number of event queues. */
108 /**< Number of event ports. */
109 void *ports[RTE_EVENT_MAX_PORTS_PER_DEV];
110 /**< Array of pointers to ports. */
111 struct rte_event_port_conf ports_cfg[RTE_EVENT_MAX_PORTS_PER_DEV];
112 /**< Array of port configuration structures. */
113 struct rte_event_queue_conf queues_cfg[RTE_EVENT_MAX_QUEUES_PER_DEV];
114 /**< Array of queue configuration structures. */
115 uint16_t links_map[RTE_EVENT_MAX_PORTS_PER_DEV *
116 RTE_EVENT_MAX_QUEUES_PER_DEV];
117 /**< Memory to store queues to port connections. */
119 /**< PMD-specific private data */
120 uint32_t event_dev_cap;
121 /**< Event device capabilities(RTE_EVENT_DEV_CAP_)*/
122 struct rte_event_dev_config dev_conf;
123 /**< Configuration applied to device. */
124 uint8_t service_inited;
125 /* Service initialization state */
128 void *dev_stop_flush_arg;
129 /**< User-provided argument for event flush function */
132 uint8_t dev_started : 1;
133 /**< Device state: STARTED(1)/STOPPED(0) */
135 char name[RTE_EVENTDEV_NAME_MAX_LEN];
136 /**< Unique identifier name */
138 uint64_t reserved_64s[4]; /**< Reserved for future fields */
139 void *reserved_ptrs[4]; /**< Reserved for future fields */
140 } __rte_cache_aligned;
142 /** @internal The data structure associated with each event device. */
143 struct rte_eventdev {
144 struct rte_eventdev_data *data;
145 /**< Pointer to device data */
146 struct eventdev_ops *dev_ops;
147 /**< Functions exported by PMD */
148 struct rte_device *dev;
149 /**< Device info. supplied by probing */
152 uint8_t attached : 1;
153 /**< Flag indicating the device is attached */
155 event_enqueue_t enqueue;
156 /**< Pointer to PMD enqueue function. */
157 event_enqueue_burst_t enqueue_burst;
158 /**< Pointer to PMD enqueue burst function. */
159 event_enqueue_burst_t enqueue_new_burst;
160 /**< Pointer to PMD enqueue burst function(op new variant) */
161 event_enqueue_burst_t enqueue_forward_burst;
162 /**< Pointer to PMD enqueue burst function(op forward variant) */
163 event_dequeue_t dequeue;
164 /**< Pointer to PMD dequeue function. */
165 event_dequeue_burst_t dequeue_burst;
166 /**< Pointer to PMD dequeue burst function. */
167 event_tx_adapter_enqueue_t txa_enqueue_same_dest;
168 /**< Pointer to PMD eth Tx adapter burst enqueue function with
169 * events destined to same Eth port & Tx queue.
171 event_tx_adapter_enqueue_t txa_enqueue;
172 /**< Pointer to PMD eth Tx adapter enqueue function. */
173 event_crypto_adapter_enqueue_t ca_enqueue;
175 uint64_t reserved_64s[4]; /**< Reserved for future fields */
176 void *reserved_ptrs[3]; /**< Reserved for future fields */
177 } __rte_cache_aligned;
179 extern struct rte_eventdev *rte_eventdevs;
180 /** @internal The pool of rte_eventdev structures. */
183 * Get the rte_eventdev structure device pointer for the named device.
186 * device name to select the device structure.
189 * - The rte_eventdev structure pointer for the given device ID.
192 static inline struct rte_eventdev *
193 rte_event_pmd_get_named_dev(const char *name)
195 struct rte_eventdev *dev;
201 for (i = 0; i < RTE_EVENT_MAX_DEVS; i++) {
202 dev = &rte_eventdevs[i];
203 if ((dev->attached == RTE_EVENTDEV_ATTACHED) &&
204 (strcmp(dev->data->name, name) == 0))
212 * Validate if the event device index is valid attached event device.
215 * Event device index.
218 * - If the device index is valid (1) or not (0).
221 static inline unsigned
222 rte_event_pmd_is_valid_dev(uint8_t dev_id)
224 struct rte_eventdev *dev;
226 if (dev_id >= RTE_EVENT_MAX_DEVS)
229 dev = &rte_eventdevs[dev_id];
230 if (dev->attached != RTE_EVENTDEV_ATTACHED)
237 * Definitions of all functions exported by a driver through the
238 * the generic structure of type *event_dev_ops* supplied in the
239 * *rte_eventdev* structure associated with a device.
243 * Get device information of a device.
246 * Event device pointer
248 * Event device information structure
250 typedef void (*eventdev_info_get_t)(struct rte_eventdev *dev,
251 struct rte_event_dev_info *dev_info);
254 * Configure a device.
257 * Event device pointer
260 * Returns 0 on success
262 typedef int (*eventdev_configure_t)(const struct rte_eventdev *dev);
265 * Start a configured device.
268 * Event device pointer
271 * Returns 0 on success
273 typedef int (*eventdev_start_t)(struct rte_eventdev *dev);
276 * Stop a configured device.
279 * Event device pointer
281 typedef void (*eventdev_stop_t)(struct rte_eventdev *dev);
284 * Close a configured device.
287 * Event device pointer
291 * - (-EAGAIN) if can't close as device is busy
293 typedef int (*eventdev_close_t)(struct rte_eventdev *dev);
296 * Retrieve the default event queue configuration.
299 * Event device pointer
302 * @param[out] queue_conf
303 * Event queue configuration structure
306 typedef void (*eventdev_queue_default_conf_get_t)(struct rte_eventdev *dev,
307 uint8_t queue_id, struct rte_event_queue_conf *queue_conf);
310 * Setup an event queue.
313 * Event device pointer
317 * Event queue configuration structure
320 * Returns 0 on success.
322 typedef int (*eventdev_queue_setup_t)(struct rte_eventdev *dev,
324 const struct rte_event_queue_conf *queue_conf);
327 * Release resources allocated by given event queue.
330 * Event device pointer
335 typedef void (*eventdev_queue_release_t)(struct rte_eventdev *dev,
339 * Retrieve the default event port configuration.
342 * Event device pointer
345 * @param[out] port_conf
346 * Event port configuration structure
349 typedef void (*eventdev_port_default_conf_get_t)(struct rte_eventdev *dev,
350 uint8_t port_id, struct rte_event_port_conf *port_conf);
353 * Setup an event port.
356 * Event device pointer
360 * Event port configuration structure
363 * Returns 0 on success.
365 typedef int (*eventdev_port_setup_t)(struct rte_eventdev *dev,
367 const struct rte_event_port_conf *port_conf);
370 * Release memory resources allocated by given event port.
376 typedef void (*eventdev_port_release_t)(void *port);
379 * Link multiple source event queues to destination event port.
382 * Event device pointer
386 * Points to an array of *nb_links* event queues to be linked
389 * Points to an array of *nb_links* service priorities associated with each
390 * event queue link to event port.
392 * The number of links to establish
395 * Returns 0 on success.
398 typedef int (*eventdev_port_link_t)(struct rte_eventdev *dev, void *port,
399 const uint8_t queues[], const uint8_t priorities[],
403 * Unlink multiple source event queues from destination event port.
406 * Event device pointer
410 * An array of *nb_unlinks* event queues to be unlinked from the event port.
412 * The number of unlinks to establish
415 * Returns 0 on success.
418 typedef int (*eventdev_port_unlink_t)(struct rte_eventdev *dev, void *port,
419 uint8_t queues[], uint16_t nb_unlinks);
422 * Unlinks in progress. Returns number of unlinks that the PMD is currently
423 * performing, but have not yet been completed.
426 * Event device pointer
432 * Returns the number of in-progress unlinks. Zero is returned if none are
435 typedef int (*eventdev_port_unlinks_in_progress_t)(struct rte_eventdev *dev,
439 * Converts nanoseconds to *timeout_ticks* value for rte_event_dequeue()
442 * Event device pointer
444 * Wait time in nanosecond
445 * @param[out] timeout_ticks
446 * Value for the *timeout_ticks* parameter in rte_event_dequeue() function
449 * Returns 0 on success.
452 typedef int (*eventdev_dequeue_timeout_ticks_t)(struct rte_eventdev *dev,
453 uint64_t ns, uint64_t *timeout_ticks);
456 * Dump internal information
459 * Event device pointer
461 * A pointer to a file for output
464 typedef void (*eventdev_dump_t)(struct rte_eventdev *dev, FILE *f);
467 * Retrieve a set of statistics from device
470 * Event device pointer
472 * Level (device, port or queue)
473 * @param queue_port_id
474 * Queue or port number depending on mode
476 * The stat ids to retrieve
478 * The returned stat values
480 * The number of id values and entries in the values array
482 * The number of stat values successfully filled into the values array
484 typedef int (*eventdev_xstats_get_t)(const struct rte_eventdev *dev,
485 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
486 const unsigned int ids[], uint64_t values[], unsigned int n);
489 * Resets the statistic values in xstats for the device, based on mode.
491 typedef int (*eventdev_xstats_reset_t)(struct rte_eventdev *dev,
492 enum rte_event_dev_xstats_mode mode,
493 int16_t queue_port_id,
494 const uint32_t ids[],
498 * Get names of extended stats of an event device
501 * Event device pointer
503 * Level (device, port or queue)
504 * @param queue_port_id
505 * Queue or port number depending on mode
506 * @param xstats_names
507 * Array of name values to be filled in
509 * The stat ids to retrieve
511 * Number of values in the xstats_names array
513 * When size >= the number of stats, return the number of stat values filled
515 * When size < the number of available stats, return the number of stats
516 * values, and do not fill in any data into xstats_names.
518 typedef int (*eventdev_xstats_get_names_t)(const struct rte_eventdev *dev,
519 enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
520 struct rte_event_dev_xstats_name *xstats_names,
521 unsigned int *ids, unsigned int size);
524 * Get value of one stats and optionally return its id
527 * Event device pointer
529 * The name of the stat to retrieve
531 * Pointer to an unsigned int where we store the stat-id for future reference.
532 * This pointer may be null if the id is not required.
534 * The value of the stat, or (uint64_t)-1 if the stat is not found.
535 * If the stat is not found, the id value will be returned as (unsigned)-1,
536 * if id pointer is non-NULL
538 typedef uint64_t (*eventdev_xstats_get_by_name)(const struct rte_eventdev *dev,
539 const char *name, unsigned int *id);
543 * Retrieve the event device's ethdev Rx adapter capabilities for the
544 * specified ethernet port
547 * Event device pointer
550 * Ethernet device pointer
553 * A pointer to memory filled with Rx event adapter capabilities.
556 * - 0: Success, driver provides Rx event adapter capabilities for the
558 * - <0: Error code returned by the driver function.
561 typedef int (*eventdev_eth_rx_adapter_caps_get_t)
562 (const struct rte_eventdev *dev,
563 const struct rte_eth_dev *eth_dev,
566 struct rte_event_eth_rx_adapter_queue_conf;
569 * Retrieve the event device's timer adapter capabilities, as well as the ops
570 * structure that an event timer adapter should call through to enter the
574 * Event device pointer
577 * Flags that can be used to determine how to select an event timer
578 * adapter ops structure
581 * A pointer to memory filled with Rx event adapter capabilities.
584 * A pointer to the ops pointer to set with the address of the desired ops
588 * - 0: Success, driver provides Rx event adapter capabilities for the
590 * - <0: Error code returned by the driver function.
593 typedef int (*eventdev_timer_adapter_caps_get_t)(
594 const struct rte_eventdev *dev,
597 const struct rte_event_timer_adapter_ops **ops);
600 * Add ethernet Rx queues to event device. This callback is invoked if
601 * the caps returned from rte_eventdev_eth_rx_adapter_caps_get(, eth_port_id)
602 * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
605 * Event device pointer
608 * Ethernet device pointer
611 * Ethernet device receive queue index
614 * Additional configuration structure
617 * - 0: Success, ethernet receive queue added successfully.
618 * - <0: Error code returned by the driver function.
621 typedef int (*eventdev_eth_rx_adapter_queue_add_t)(
622 const struct rte_eventdev *dev,
623 const struct rte_eth_dev *eth_dev,
625 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
628 * Delete ethernet Rx queues from event device. This callback is invoked if
629 * the caps returned from eventdev_eth_rx_adapter_caps_get(, eth_port_id)
630 * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
633 * Event device pointer
636 * Ethernet device pointer
639 * Ethernet device receive queue index
642 * - 0: Success, ethernet receive queue deleted successfully.
643 * - <0: Error code returned by the driver function.
646 typedef int (*eventdev_eth_rx_adapter_queue_del_t)
647 (const struct rte_eventdev *dev,
648 const struct rte_eth_dev *eth_dev,
649 int32_t rx_queue_id);
652 * Retrieve Rx adapter queue config information for the specified
656 * Event device pointer
659 * Ethernet device pointer
662 * Ethernet device receive queue index.
664 * @param[out] queue_conf
665 * Pointer to rte_event_eth_rx_adapter_queue_conf structure
669 * - <0: Error code on failure.
671 typedef int (*eventdev_eth_rx_adapter_queue_conf_get_t)
672 (const struct rte_eventdev *dev,
673 const struct rte_eth_dev *eth_dev,
674 uint16_t rx_queue_id,
675 struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
678 * Start ethernet Rx adapter. This callback is invoked if
679 * the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id)
680 * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
681 * from eth_port_id have been added to the event device.
684 * Event device pointer
687 * Ethernet device pointer
690 * - 0: Success, ethernet Rx adapter started successfully.
691 * - <0: Error code returned by the driver function.
693 typedef int (*eventdev_eth_rx_adapter_start_t)
694 (const struct rte_eventdev *dev,
695 const struct rte_eth_dev *eth_dev);
698 * Stop ethernet Rx adapter. This callback is invoked if
699 * the caps returned from eventdev_eth_rx_adapter_caps_get(..,eth_port_id)
700 * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
701 * from eth_port_id have been added to the event device.
704 * Event device pointer
707 * Ethernet device pointer
710 * - 0: Success, ethernet Rx adapter stopped successfully.
711 * - <0: Error code returned by the driver function.
713 typedef int (*eventdev_eth_rx_adapter_stop_t)
714 (const struct rte_eventdev *dev,
715 const struct rte_eth_dev *eth_dev);
717 struct rte_event_eth_rx_adapter_stats;
720 * Retrieve ethernet Rx adapter statistics.
723 * Event device pointer
726 * Ethernet device pointer
729 * Pointer to stats structure
732 * Return 0 on success.
735 typedef int (*eventdev_eth_rx_adapter_stats_get)
736 (const struct rte_eventdev *dev,
737 const struct rte_eth_dev *eth_dev,
738 struct rte_event_eth_rx_adapter_stats *stats);
740 * Reset ethernet Rx adapter statistics.
743 * Event device pointer
746 * Ethernet device pointer
749 * Return 0 on success.
751 typedef int (*eventdev_eth_rx_adapter_stats_reset)
752 (const struct rte_eventdev *dev,
753 const struct rte_eth_dev *eth_dev);
755 * Start eventdev selftest.
758 * Return 0 on success.
760 typedef int (*eventdev_selftest)(void);
762 struct rte_event_eth_rx_adapter_vector_limits;
764 * Get event vector limits for a given event, ethernet device pair.
767 * Event device pointer
770 * Ethernet device pointer
773 * Pointer to the limits structure to be filled.
777 * - <0: Error code returned by the driver function.
779 typedef int (*eventdev_eth_rx_adapter_vector_limits_get_t)(
780 const struct rte_eventdev *dev, const struct rte_eth_dev *eth_dev,
781 struct rte_event_eth_rx_adapter_vector_limits *limits);
783 typedef uint32_t rte_event_pmd_selftest_seqn_t;
784 extern int rte_event_pmd_selftest_seqn_dynfield_offset;
787 * Read test sequence number from mbuf.
789 * @param mbuf Structure to read from.
790 * @return pointer to test sequence number.
793 static inline rte_event_pmd_selftest_seqn_t *
794 rte_event_pmd_selftest_seqn(struct rte_mbuf *mbuf)
796 return RTE_MBUF_DYNFIELD(mbuf,
797 rte_event_pmd_selftest_seqn_dynfield_offset,
798 rte_event_pmd_selftest_seqn_t *);
801 struct rte_cryptodev;
804 * This API may change without prior notice
806 * Retrieve the event device's crypto adapter capabilities for the
807 * specified cryptodev
810 * Event device pointer
816 * A pointer to memory filled with event adapter capabilities.
817 * It is expected to be pre-allocated & initialized by caller.
820 * - 0: Success, driver provides event adapter capabilities for the
822 * - <0: Error code returned by the driver function.
825 typedef int (*eventdev_crypto_adapter_caps_get_t)
826 (const struct rte_eventdev *dev,
827 const struct rte_cryptodev *cdev,
831 * This API may change without prior notice
833 * Add crypto queue pair to event device. This callback is invoked if
834 * the caps returned from rte_event_crypto_adapter_caps_get(, cdev_id)
835 * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_* set.
838 * Event device pointer
843 * @param queue_pair_id
844 * cryptodev queue pair identifier.
847 * Event information required for binding cryptodev queue pair to event queue.
848 * This structure will have a valid value for only those HW PMDs supporting
849 * @see RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_QP_EV_BIND capability.
852 * - 0: Success, cryptodev queue pair added successfully.
853 * - <0: Error code returned by the driver function.
856 typedef int (*eventdev_crypto_adapter_queue_pair_add_t)
857 (const struct rte_eventdev *dev,
858 const struct rte_cryptodev *cdev,
859 int32_t queue_pair_id,
860 const struct rte_event *event);
864 * This API may change without prior notice
866 * Delete crypto queue pair to event device. This callback is invoked if
867 * the caps returned from rte_event_crypto_adapter_caps_get(, cdev_id)
868 * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_* set.
871 * Event device pointer
876 * @param queue_pair_id
877 * cryptodev queue pair identifier.
880 * - 0: Success, cryptodev queue pair deleted successfully.
881 * - <0: Error code returned by the driver function.
884 typedef int (*eventdev_crypto_adapter_queue_pair_del_t)
885 (const struct rte_eventdev *dev,
886 const struct rte_cryptodev *cdev,
887 int32_t queue_pair_id);
890 * Start crypto adapter. This callback is invoked if
891 * the caps returned from rte_event_crypto_adapter_caps_get(.., cdev_id)
892 * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_* set and queue pairs
893 * from cdev_id have been added to the event device.
896 * Event device pointer
899 * Crypto device pointer
902 * - 0: Success, crypto adapter started successfully.
903 * - <0: Error code returned by the driver function.
905 typedef int (*eventdev_crypto_adapter_start_t)
906 (const struct rte_eventdev *dev,
907 const struct rte_cryptodev *cdev);
910 * Stop crypto adapter. This callback is invoked if
911 * the caps returned from rte_event_crypto_adapter_caps_get(.., cdev_id)
912 * has RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_* set and queue pairs
913 * from cdev_id have been added to the event device.
916 * Event device pointer
919 * Crypto device pointer
922 * - 0: Success, crypto adapter stopped successfully.
923 * - <0: Error code returned by the driver function.
925 typedef int (*eventdev_crypto_adapter_stop_t)
926 (const struct rte_eventdev *dev,
927 const struct rte_cryptodev *cdev);
929 struct rte_event_crypto_adapter_stats;
932 * Retrieve crypto adapter statistics.
935 * Event device pointer
938 * Crypto device pointer
941 * Pointer to stats structure
944 * Return 0 on success.
947 typedef int (*eventdev_crypto_adapter_stats_get)
948 (const struct rte_eventdev *dev,
949 const struct rte_cryptodev *cdev,
950 struct rte_event_crypto_adapter_stats *stats);
953 * Reset crypto adapter statistics.
956 * Event device pointer
959 * Crypto device pointer
962 * Return 0 on success.
965 typedef int (*eventdev_crypto_adapter_stats_reset)
966 (const struct rte_eventdev *dev,
967 const struct rte_cryptodev *cdev);
970 * Retrieve the event device's eth Tx adapter capabilities.
973 * Event device pointer
976 * Ethernet device pointer
979 * A pointer to memory filled with eth Tx adapter capabilities.
982 * - 0: Success, driver provides eth Tx adapter capabilities
983 * - <0: Error code returned by the driver function.
986 typedef int (*eventdev_eth_tx_adapter_caps_get_t)
987 (const struct rte_eventdev *dev,
988 const struct rte_eth_dev *eth_dev,
992 * Create adapter callback.
998 * Event device pointer
1002 * - <0: Error code on failure.
1004 typedef int (*eventdev_eth_tx_adapter_create_t)(uint8_t id,
1005 const struct rte_eventdev *dev);
1008 * Free adapter callback.
1011 * Adapter identifier
1014 * Event device pointer
1018 * - <0: Error code on failure.
1020 typedef int (*eventdev_eth_tx_adapter_free_t)(uint8_t id,
1021 const struct rte_eventdev *dev);
1024 * Add a Tx queue to the adapter.
1025 * A queue value of -1 is used to indicate all
1026 * queues within the device.
1029 * Adapter identifier
1032 * Event device pointer
1035 * Ethernet device pointer
1037 * @param tx_queue_id
1038 * Transmit queue index
1042 * - <0: Error code on failure.
1044 typedef int (*eventdev_eth_tx_adapter_queue_add_t)(
1046 const struct rte_eventdev *dev,
1047 const struct rte_eth_dev *eth_dev,
1048 int32_t tx_queue_id);
1051 * Delete a Tx queue from the adapter.
1052 * A queue value of -1 is used to indicate all
1053 * queues within the device, that have been added to this
1057 * Adapter identifier
1060 * Event device pointer
1063 * Ethernet device pointer
1065 * @param tx_queue_id
1066 * Transmit queue index
1069 * - 0: Success, Queues deleted successfully.
1070 * - <0: Error code on failure.
1072 typedef int (*eventdev_eth_tx_adapter_queue_del_t)(
1074 const struct rte_eventdev *dev,
1075 const struct rte_eth_dev *eth_dev,
1076 int32_t tx_queue_id);
1079 * Start the adapter.
1082 * Adapter identifier
1085 * Event device pointer
1088 * - 0: Success, Adapter started correctly.
1089 * - <0: Error code on failure.
1091 typedef int (*eventdev_eth_tx_adapter_start_t)(uint8_t id,
1092 const struct rte_eventdev *dev);
1098 * Adapter identifier
1101 * Event device pointer
1105 * - <0: Error code on failure.
1107 typedef int (*eventdev_eth_tx_adapter_stop_t)(uint8_t id,
1108 const struct rte_eventdev *dev);
1110 struct rte_event_eth_tx_adapter_stats;
1113 * Retrieve statistics for an adapter
1116 * Adapter identifier
1119 * Event device pointer
1121 * @param [out] stats
1122 * A pointer to structure used to retrieve statistics for an adapter
1125 * - 0: Success, statistics retrieved successfully.
1126 * - <0: Error code on failure.
1128 typedef int (*eventdev_eth_tx_adapter_stats_get_t)(
1130 const struct rte_eventdev *dev,
1131 struct rte_event_eth_tx_adapter_stats *stats);
1134 * Reset statistics for an adapter
1137 * Adapter identifier
1140 * Event device pointer
1143 * - 0: Success, statistics retrieved successfully.
1144 * - <0: Error code on failure.
1146 typedef int (*eventdev_eth_tx_adapter_stats_reset_t)(uint8_t id,
1147 const struct rte_eventdev *dev);
1149 /** Event device operations function pointer table */
1150 struct eventdev_ops {
1151 eventdev_info_get_t dev_infos_get; /**< Get device info. */
1152 eventdev_configure_t dev_configure; /**< Configure device. */
1153 eventdev_start_t dev_start; /**< Start device. */
1154 eventdev_stop_t dev_stop; /**< Stop device. */
1155 eventdev_close_t dev_close; /**< Close device. */
1157 eventdev_queue_default_conf_get_t queue_def_conf;
1158 /**< Get default queue configuration. */
1159 eventdev_queue_setup_t queue_setup;
1160 /**< Set up an event queue. */
1161 eventdev_queue_release_t queue_release;
1162 /**< Release an event queue. */
1164 eventdev_port_default_conf_get_t port_def_conf;
1165 /**< Get default port configuration. */
1166 eventdev_port_setup_t port_setup;
1167 /**< Set up an event port. */
1168 eventdev_port_release_t port_release;
1169 /**< Release an event port. */
1171 eventdev_port_link_t port_link;
1172 /**< Link event queues to an event port. */
1173 eventdev_port_unlink_t port_unlink;
1174 /**< Unlink event queues from an event port. */
1175 eventdev_port_unlinks_in_progress_t port_unlinks_in_progress;
1176 /**< Unlinks in progress on an event port. */
1177 eventdev_dequeue_timeout_ticks_t timeout_ticks;
1178 /**< Converts ns to *timeout_ticks* value for rte_event_dequeue() */
1179 eventdev_dump_t dump;
1180 /* Dump internal information */
1182 eventdev_xstats_get_t xstats_get;
1183 /**< Get extended device statistics. */
1184 eventdev_xstats_get_names_t xstats_get_names;
1185 /**< Get names of extended stats. */
1186 eventdev_xstats_get_by_name xstats_get_by_name;
1187 /**< Get one value by name. */
1188 eventdev_xstats_reset_t xstats_reset;
1189 /**< Reset the statistics values in xstats. */
1191 eventdev_eth_rx_adapter_caps_get_t eth_rx_adapter_caps_get;
1192 /**< Get ethernet Rx adapter capabilities */
1193 eventdev_eth_rx_adapter_queue_add_t eth_rx_adapter_queue_add;
1194 /**< Add Rx queues to ethernet Rx adapter */
1195 eventdev_eth_rx_adapter_queue_del_t eth_rx_adapter_queue_del;
1196 /**< Delete Rx queues from ethernet Rx adapter */
1197 eventdev_eth_rx_adapter_queue_conf_get_t eth_rx_adapter_queue_conf_get;
1198 /**< Get Rx adapter queue info */
1199 eventdev_eth_rx_adapter_start_t eth_rx_adapter_start;
1200 /**< Start ethernet Rx adapter */
1201 eventdev_eth_rx_adapter_stop_t eth_rx_adapter_stop;
1202 /**< Stop ethernet Rx adapter */
1203 eventdev_eth_rx_adapter_stats_get eth_rx_adapter_stats_get;
1204 /**< Get ethernet Rx stats */
1205 eventdev_eth_rx_adapter_stats_reset eth_rx_adapter_stats_reset;
1206 /**< Reset ethernet Rx stats */
1207 eventdev_eth_rx_adapter_vector_limits_get_t
1208 eth_rx_adapter_vector_limits_get;
1209 /**< Get event vector limits for the Rx adapter */
1211 eventdev_timer_adapter_caps_get_t timer_adapter_caps_get;
1212 /**< Get timer adapter capabilities */
1214 eventdev_crypto_adapter_caps_get_t crypto_adapter_caps_get;
1215 /**< Get crypto adapter capabilities */
1216 eventdev_crypto_adapter_queue_pair_add_t crypto_adapter_queue_pair_add;
1217 /**< Add queue pair to crypto adapter */
1218 eventdev_crypto_adapter_queue_pair_del_t crypto_adapter_queue_pair_del;
1219 /**< Delete queue pair from crypto adapter */
1220 eventdev_crypto_adapter_start_t crypto_adapter_start;
1221 /**< Start crypto adapter */
1222 eventdev_crypto_adapter_stop_t crypto_adapter_stop;
1223 /**< Stop crypto adapter */
1224 eventdev_crypto_adapter_stats_get crypto_adapter_stats_get;
1225 /**< Get crypto stats */
1226 eventdev_crypto_adapter_stats_reset crypto_adapter_stats_reset;
1227 /**< Reset crypto stats */
1229 eventdev_eth_tx_adapter_caps_get_t eth_tx_adapter_caps_get;
1230 /**< Get ethernet Tx adapter capabilities */
1232 eventdev_eth_tx_adapter_create_t eth_tx_adapter_create;
1233 /**< Create adapter callback */
1234 eventdev_eth_tx_adapter_free_t eth_tx_adapter_free;
1235 /**< Free adapter callback */
1236 eventdev_eth_tx_adapter_queue_add_t eth_tx_adapter_queue_add;
1237 /**< Add Tx queues to the eth Tx adapter */
1238 eventdev_eth_tx_adapter_queue_del_t eth_tx_adapter_queue_del;
1239 /**< Delete Tx queues from the eth Tx adapter */
1240 eventdev_eth_tx_adapter_start_t eth_tx_adapter_start;
1241 /**< Start eth Tx adapter */
1242 eventdev_eth_tx_adapter_stop_t eth_tx_adapter_stop;
1243 /**< Stop eth Tx adapter */
1244 eventdev_eth_tx_adapter_stats_get_t eth_tx_adapter_stats_get;
1245 /**< Get eth Tx adapter statistics */
1246 eventdev_eth_tx_adapter_stats_reset_t eth_tx_adapter_stats_reset;
1247 /**< Reset eth Tx adapter statistics */
1249 eventdev_selftest dev_selftest;
1250 /**< Start eventdev Selftest */
1252 eventdev_stop_flush_t dev_stop_flush;
1253 /**< User-provided event flush function */
1257 * Allocates a new eventdev slot for an event device and returns the pointer
1258 * to that slot for the driver to use.
1261 * Unique identifier name for each device
1263 * Socket to allocate resources on.
1265 * - Slot in the rte_dev_devices array for a new device;
1268 struct rte_eventdev *
1269 rte_event_pmd_allocate(const char *name, int socket_id);
1272 * Release the specified eventdev device.
1275 * The *eventdev* pointer is the address of the *rte_eventdev* structure.
1277 * - 0 on success, negative on error
1281 rte_event_pmd_release(struct rte_eventdev *eventdev);
1286 * This is the last step of device probing.
1287 * It must be called after a port is allocated and initialized successfully.
1294 event_dev_probing_finish(struct rte_eventdev *eventdev);
1297 * Reset eventdevice fastpath APIs to dummy values.
1300 * The *fp_ops* pointer to reset.
1304 event_dev_fp_ops_reset(struct rte_event_fp_ops *fp_op);
1307 * Set eventdevice fastpath APIs to event device values.
1310 * The *fp_ops* pointer to set.
1314 event_dev_fp_ops_set(struct rte_event_fp_ops *fp_ops,
1315 const struct rte_eventdev *dev);
1321 #endif /* _RTE_EVENTDEV_PMD_H_ */