1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Cavium, Inc
12 #include <rte_byteorder.h>
13 #include <rte_common.h>
14 #include <rte_debug.h>
18 #include <rte_malloc.h>
19 #include <rte_memory.h>
20 #include <rte_lcore.h>
21 #include <rte_bus_vdev.h>
23 #include "skeleton_eventdev.h"
25 #define EVENTDEV_NAME_SKELETON_PMD event_skeleton
26 /**< Skeleton event device PMD name */
29 skeleton_eventdev_enqueue(void *port, const struct rte_event *ev)
31 struct skeleton_port *sp = port;
41 skeleton_eventdev_enqueue_burst(void *port, const struct rte_event ev[],
44 struct skeleton_port *sp = port;
49 RTE_SET_USED(nb_events);
55 skeleton_eventdev_dequeue(void *port, struct rte_event *ev,
56 uint64_t timeout_ticks)
58 struct skeleton_port *sp = port;
62 RTE_SET_USED(timeout_ticks);
68 skeleton_eventdev_dequeue_burst(void *port, struct rte_event ev[],
69 uint16_t nb_events, uint64_t timeout_ticks)
71 struct skeleton_port *sp = port;
75 RTE_SET_USED(nb_events);
76 RTE_SET_USED(timeout_ticks);
82 skeleton_eventdev_info_get(struct rte_eventdev *dev,
83 struct rte_event_dev_info *dev_info)
85 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
91 dev_info->min_dequeue_timeout_ns = 1;
92 dev_info->max_dequeue_timeout_ns = 10000;
93 dev_info->dequeue_timeout_ns = 25;
94 dev_info->max_event_queues = 64;
95 dev_info->max_event_queue_flows = (1ULL << 20);
96 dev_info->max_event_queue_priority_levels = 8;
97 dev_info->max_event_priority_levels = 8;
98 dev_info->max_event_ports = 32;
99 dev_info->max_event_port_dequeue_depth = 16;
100 dev_info->max_event_port_enqueue_depth = 16;
101 dev_info->max_num_events = (1ULL << 20);
102 dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
103 RTE_EVENT_DEV_CAP_BURST_MODE |
104 RTE_EVENT_DEV_CAP_EVENT_QOS |
105 RTE_EVENT_DEV_CAP_CARRY_FLOW_ID;
109 skeleton_eventdev_configure(const struct rte_eventdev *dev)
111 struct rte_eventdev_data *data = dev->data;
112 struct rte_event_dev_config *conf = &data->dev_conf;
113 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
115 PMD_DRV_FUNC_TRACE();
120 PMD_DRV_LOG(DEBUG, "Configured eventdev devid=%d", dev->data->dev_id);
125 skeleton_eventdev_start(struct rte_eventdev *dev)
127 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
129 PMD_DRV_FUNC_TRACE();
137 skeleton_eventdev_stop(struct rte_eventdev *dev)
139 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
141 PMD_DRV_FUNC_TRACE();
147 skeleton_eventdev_close(struct rte_eventdev *dev)
149 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
151 PMD_DRV_FUNC_TRACE();
159 skeleton_eventdev_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
160 struct rte_event_queue_conf *queue_conf)
162 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
164 PMD_DRV_FUNC_TRACE();
167 RTE_SET_USED(queue_id);
169 queue_conf->nb_atomic_flows = (1ULL << 20);
170 queue_conf->nb_atomic_order_sequences = (1ULL << 20);
171 queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
172 queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
176 skeleton_eventdev_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
178 PMD_DRV_FUNC_TRACE();
181 RTE_SET_USED(queue_id);
185 skeleton_eventdev_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
186 const struct rte_event_queue_conf *queue_conf)
188 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
190 PMD_DRV_FUNC_TRACE();
193 RTE_SET_USED(queue_conf);
194 RTE_SET_USED(queue_id);
200 skeleton_eventdev_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
201 struct rte_event_port_conf *port_conf)
203 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
205 PMD_DRV_FUNC_TRACE();
208 RTE_SET_USED(port_id);
210 port_conf->new_event_threshold = 32 * 1024;
211 port_conf->dequeue_depth = 16;
212 port_conf->enqueue_depth = 16;
213 port_conf->event_port_cfg = 0;
217 skeleton_eventdev_port_release(void *port)
219 struct skeleton_port *sp = port;
220 PMD_DRV_FUNC_TRACE();
226 skeleton_eventdev_port_setup(struct rte_eventdev *dev, uint8_t port_id,
227 const struct rte_event_port_conf *port_conf)
229 struct skeleton_port *sp;
230 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
232 PMD_DRV_FUNC_TRACE();
235 RTE_SET_USED(port_conf);
237 /* Free memory prior to re-allocation if needed */
238 if (dev->data->ports[port_id] != NULL) {
239 PMD_DRV_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
241 skeleton_eventdev_port_release(dev->data->ports[port_id]);
242 dev->data->ports[port_id] = NULL;
245 /* Allocate event port memory */
246 sp = rte_zmalloc_socket("eventdev port",
247 sizeof(struct skeleton_port), RTE_CACHE_LINE_SIZE,
248 dev->data->socket_id);
250 PMD_DRV_ERR("Failed to allocate sp port_id=%d", port_id);
254 sp->port_id = port_id;
256 PMD_DRV_LOG(DEBUG, "[%d] sp=%p", port_id, sp);
258 dev->data->ports[port_id] = sp;
263 skeleton_eventdev_port_link(struct rte_eventdev *dev, void *port,
264 const uint8_t queues[], const uint8_t priorities[],
267 struct skeleton_port *sp = port;
268 PMD_DRV_FUNC_TRACE();
272 RTE_SET_USED(queues);
273 RTE_SET_USED(priorities);
275 /* Linked all the queues */
276 return (int)nb_links;
280 skeleton_eventdev_port_unlink(struct rte_eventdev *dev, void *port,
281 uint8_t queues[], uint16_t nb_unlinks)
283 struct skeleton_port *sp = port;
284 PMD_DRV_FUNC_TRACE();
288 RTE_SET_USED(queues);
290 /* Unlinked all the queues */
291 return (int)nb_unlinks;
296 skeleton_eventdev_timeout_ticks(struct rte_eventdev *dev, uint64_t ns,
297 uint64_t *timeout_ticks)
299 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
302 PMD_DRV_FUNC_TRACE();
305 *timeout_ticks = ns * scale;
311 skeleton_eventdev_dump(struct rte_eventdev *dev, FILE *f)
313 struct skeleton_eventdev *skel = skeleton_pmd_priv(dev);
315 PMD_DRV_FUNC_TRACE();
322 /* Initialize and register event driver with DPDK Application */
323 static struct rte_eventdev_ops skeleton_eventdev_ops = {
324 .dev_infos_get = skeleton_eventdev_info_get,
325 .dev_configure = skeleton_eventdev_configure,
326 .dev_start = skeleton_eventdev_start,
327 .dev_stop = skeleton_eventdev_stop,
328 .dev_close = skeleton_eventdev_close,
329 .queue_def_conf = skeleton_eventdev_queue_def_conf,
330 .queue_setup = skeleton_eventdev_queue_setup,
331 .queue_release = skeleton_eventdev_queue_release,
332 .port_def_conf = skeleton_eventdev_port_def_conf,
333 .port_setup = skeleton_eventdev_port_setup,
334 .port_release = skeleton_eventdev_port_release,
335 .port_link = skeleton_eventdev_port_link,
336 .port_unlink = skeleton_eventdev_port_unlink,
337 .timeout_ticks = skeleton_eventdev_timeout_ticks,
338 .dump = skeleton_eventdev_dump
342 skeleton_eventdev_init(struct rte_eventdev *eventdev)
344 struct rte_pci_device *pci_dev;
345 struct skeleton_eventdev *skel = skeleton_pmd_priv(eventdev);
348 PMD_DRV_FUNC_TRACE();
350 eventdev->dev_ops = &skeleton_eventdev_ops;
351 eventdev->enqueue = skeleton_eventdev_enqueue;
352 eventdev->enqueue_burst = skeleton_eventdev_enqueue_burst;
353 eventdev->dequeue = skeleton_eventdev_dequeue;
354 eventdev->dequeue_burst = skeleton_eventdev_dequeue_burst;
356 /* For secondary processes, the primary has done all the work */
357 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
360 pci_dev = RTE_DEV_TO_PCI(eventdev->dev);
362 skel->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr;
363 if (!skel->reg_base) {
364 PMD_DRV_ERR("Failed to map BAR0");
369 skel->device_id = pci_dev->id.device_id;
370 skel->vendor_id = pci_dev->id.vendor_id;
371 skel->subsystem_device_id = pci_dev->id.subsystem_device_id;
372 skel->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
374 PMD_DRV_LOG(DEBUG, "pci device (%x:%x) %u:%u:%u:%u",
375 pci_dev->id.vendor_id, pci_dev->id.device_id,
376 pci_dev->addr.domain, pci_dev->addr.bus,
377 pci_dev->addr.devid, pci_dev->addr.function);
379 PMD_DRV_LOG(INFO, "dev_id=%d socket_id=%d (%x:%x)",
380 eventdev->data->dev_id, eventdev->data->socket_id,
381 skel->vendor_id, skel->device_id);
387 /* PCI based event device */
389 #define EVENTDEV_SKEL_VENDOR_ID 0x177d
390 #define EVENTDEV_SKEL_PRODUCT_ID 0x0001
392 static const struct rte_pci_id pci_id_skeleton_map[] = {
394 RTE_PCI_DEVICE(EVENTDEV_SKEL_VENDOR_ID,
395 EVENTDEV_SKEL_PRODUCT_ID)
403 event_skeleton_pci_probe(struct rte_pci_driver *pci_drv,
404 struct rte_pci_device *pci_dev)
406 return rte_event_pmd_pci_probe(pci_drv, pci_dev,
407 sizeof(struct skeleton_eventdev), skeleton_eventdev_init);
411 event_skeleton_pci_remove(struct rte_pci_device *pci_dev)
413 return rte_event_pmd_pci_remove(pci_dev, NULL);
416 static struct rte_pci_driver pci_eventdev_skeleton_pmd = {
417 .id_table = pci_id_skeleton_map,
418 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
419 .probe = event_skeleton_pci_probe,
420 .remove = event_skeleton_pci_remove,
423 RTE_PMD_REGISTER_PCI(event_skeleton_pci, pci_eventdev_skeleton_pmd);
424 RTE_PMD_REGISTER_PCI_TABLE(event_skeleton_pci, pci_id_skeleton_map);
426 /* VDEV based event device */
429 skeleton_eventdev_create(const char *name, int socket_id)
431 struct rte_eventdev *eventdev;
433 eventdev = rte_event_pmd_vdev_init(name,
434 sizeof(struct skeleton_eventdev), socket_id);
435 if (eventdev == NULL) {
436 PMD_DRV_ERR("Failed to create eventdev vdev %s", name);
440 eventdev->dev_ops = &skeleton_eventdev_ops;
441 eventdev->enqueue = skeleton_eventdev_enqueue;
442 eventdev->enqueue_burst = skeleton_eventdev_enqueue_burst;
443 eventdev->dequeue = skeleton_eventdev_dequeue;
444 eventdev->dequeue_burst = skeleton_eventdev_dequeue_burst;
452 skeleton_eventdev_probe(struct rte_vdev_device *vdev)
456 name = rte_vdev_device_name(vdev);
457 RTE_LOG(INFO, PMD, "Initializing %s on NUMA node %d\n", name,
459 return skeleton_eventdev_create(name, rte_socket_id());
463 skeleton_eventdev_remove(struct rte_vdev_device *vdev)
467 name = rte_vdev_device_name(vdev);
468 PMD_DRV_LOG(INFO, "Closing %s on NUMA node %d", name, rte_socket_id());
470 return rte_event_pmd_vdev_uninit(name);
473 static struct rte_vdev_driver vdev_eventdev_skeleton_pmd = {
474 .probe = skeleton_eventdev_probe,
475 .remove = skeleton_eventdev_remove
478 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_SKELETON_PMD, vdev_eventdev_skeleton_pmd);