xref: /dpdk/drivers/event/octeontx/ssovf_evdev.c (revision 25d11a86c56d50947af33d0b79ede622809bd8b9)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Cavium, Inc
3  */
4 
5 #include <inttypes.h>
6 
7 #include <rte_common.h>
8 #include <rte_debug.h>
9 #include <rte_dev.h>
10 #include <rte_eal.h>
11 #include <rte_ethdev_driver.h>
12 #include <rte_event_eth_rx_adapter.h>
13 #include <rte_kvargs.h>
14 #include <rte_lcore.h>
15 #include <rte_log.h>
16 #include <rte_malloc.h>
17 #include <rte_memory.h>
18 #include <rte_bus_vdev.h>
19 
20 #include "ssovf_evdev.h"
21 #include "timvf_evdev.h"
22 
23 int otx_logtype_ssovf;
24 static uint8_t timvf_enable_stats;
25 
26 RTE_INIT(otx_ssovf_init_log)
27 {
28 	otx_logtype_ssovf = rte_log_register("pmd.event.octeontx");
29 	if (otx_logtype_ssovf >= 0)
30 		rte_log_set_level(otx_logtype_ssovf, RTE_LOG_NOTICE);
31 }
32 
33 /* SSOPF Mailbox messages */
34 
35 struct ssovf_mbox_dev_info {
36 	uint64_t min_deq_timeout_ns;
37 	uint64_t max_deq_timeout_ns;
38 	uint32_t max_num_events;
39 };
40 
41 static int
42 ssovf_mbox_dev_info(struct ssovf_mbox_dev_info *info)
43 {
44 	struct octeontx_mbox_hdr hdr = {0};
45 	uint16_t len = sizeof(struct ssovf_mbox_dev_info);
46 
47 	hdr.coproc = SSO_COPROC;
48 	hdr.msg = SSO_GET_DEV_INFO;
49 	hdr.vfid = 0;
50 
51 	memset(info, 0, len);
52 	return octeontx_mbox_send(&hdr, NULL, 0, info, len);
53 }
54 
55 struct ssovf_mbox_getwork_wait {
56 	uint64_t wait_ns;
57 };
58 
59 static int
60 ssovf_mbox_getwork_tmo_set(uint32_t timeout_ns)
61 {
62 	struct octeontx_mbox_hdr hdr = {0};
63 	struct ssovf_mbox_getwork_wait tmo_set;
64 	uint16_t len = sizeof(struct ssovf_mbox_getwork_wait);
65 	int ret;
66 
67 	hdr.coproc = SSO_COPROC;
68 	hdr.msg = SSO_SET_GETWORK_WAIT;
69 	hdr.vfid = 0;
70 
71 	tmo_set.wait_ns = timeout_ns;
72 	ret = octeontx_mbox_send(&hdr, &tmo_set, len, NULL, 0);
73 	if (ret)
74 		ssovf_log_err("Failed to set getwork timeout(%d)", ret);
75 
76 	return ret;
77 }
78 
79 struct ssovf_mbox_grp_pri {
80 	uint8_t wgt_left; /* Read only */
81 	uint8_t weight;
82 	uint8_t affinity;
83 	uint8_t priority;
84 };
85 
86 static int
87 ssovf_mbox_priority_set(uint8_t queue, uint8_t prio)
88 {
89 	struct octeontx_mbox_hdr hdr = {0};
90 	struct ssovf_mbox_grp_pri grp;
91 	uint16_t len = sizeof(struct ssovf_mbox_grp_pri);
92 	int ret;
93 
94 	hdr.coproc = SSO_COPROC;
95 	hdr.msg = SSO_GRP_SET_PRIORITY;
96 	hdr.vfid = queue;
97 
98 	grp.weight = 0xff;
99 	grp.affinity = 0xff;
100 	grp.priority = prio / 32; /* Normalize to 0 to 7 */
101 
102 	ret = octeontx_mbox_send(&hdr, &grp, len, NULL, 0);
103 	if (ret)
104 		ssovf_log_err("Failed to set grp=%d prio=%d", queue, prio);
105 
106 	return ret;
107 }
108 
109 struct ssovf_mbox_convert_ns_getworks_iter {
110 	uint64_t wait_ns;
111 	uint32_t getwork_iter;/* Get_work iterations for the given wait_ns */
112 };
113 
114 static int
115 ssovf_mbox_timeout_ticks(uint64_t ns, uint64_t *tmo_ticks)
116 {
117 	struct octeontx_mbox_hdr hdr = {0};
118 	struct ssovf_mbox_convert_ns_getworks_iter ns2iter;
119 	uint16_t len = sizeof(ns2iter);
120 	int ret;
121 
122 	hdr.coproc = SSO_COPROC;
123 	hdr.msg = SSO_CONVERT_NS_GETWORK_ITER;
124 	hdr.vfid = 0;
125 
126 	memset(&ns2iter, 0, len);
127 	ns2iter.wait_ns = ns;
128 	ret = octeontx_mbox_send(&hdr, &ns2iter, len, &ns2iter, len);
129 	if (ret < 0 || (ret != len)) {
130 		ssovf_log_err("Failed to get tmo ticks ns=%"PRId64"", ns);
131 		return -EIO;
132 	}
133 
134 	*tmo_ticks = ns2iter.getwork_iter;
135 	return 0;
136 }
137 
138 static void
139 ssovf_fastpath_fns_set(struct rte_eventdev *dev)
140 {
141 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
142 
143 	dev->enqueue       = ssows_enq;
144 	dev->enqueue_burst = ssows_enq_burst;
145 	dev->enqueue_new_burst = ssows_enq_new_burst;
146 	dev->enqueue_forward_burst = ssows_enq_fwd_burst;
147 	dev->dequeue       = ssows_deq;
148 	dev->dequeue_burst = ssows_deq_burst;
149 	dev->txa_enqueue = sso_event_tx_adapter_enqueue;
150 
151 	if (edev->is_timeout_deq) {
152 		dev->dequeue       = ssows_deq_timeout;
153 		dev->dequeue_burst = ssows_deq_timeout_burst;
154 	}
155 }
156 
157 static void
158 ssovf_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *dev_info)
159 {
160 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
161 
162 	dev_info->driver_name = RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD);
163 	dev_info->min_dequeue_timeout_ns = edev->min_deq_timeout_ns;
164 	dev_info->max_dequeue_timeout_ns = edev->max_deq_timeout_ns;
165 	dev_info->max_event_queues = edev->max_event_queues;
166 	dev_info->max_event_queue_flows = (1ULL << 20);
167 	dev_info->max_event_queue_priority_levels = 8;
168 	dev_info->max_event_priority_levels = 1;
169 	dev_info->max_event_ports = edev->max_event_ports;
170 	dev_info->max_event_port_dequeue_depth = 1;
171 	dev_info->max_event_port_enqueue_depth = 1;
172 	dev_info->max_num_events =  edev->max_num_events;
173 	dev_info->event_dev_cap = RTE_EVENT_DEV_CAP_QUEUE_QOS |
174 					RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED |
175 					RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES|
176 					RTE_EVENT_DEV_CAP_RUNTIME_PORT_LINK |
177 					RTE_EVENT_DEV_CAP_MULTIPLE_QUEUE_PORT |
178 					RTE_EVENT_DEV_CAP_NONSEQ_MODE;
179 
180 }
181 
182 static int
183 ssovf_configure(const struct rte_eventdev *dev)
184 {
185 	struct rte_event_dev_config *conf = &dev->data->dev_conf;
186 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
187 	uint64_t deq_tmo_ns;
188 
189 	ssovf_func_trace();
190 	deq_tmo_ns = conf->dequeue_timeout_ns;
191 	if (deq_tmo_ns == 0)
192 		deq_tmo_ns = edev->min_deq_timeout_ns;
193 
194 	if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
195 		edev->is_timeout_deq = 1;
196 		deq_tmo_ns = edev->min_deq_timeout_ns;
197 	}
198 	edev->nb_event_queues = conf->nb_event_queues;
199 	edev->nb_event_ports = conf->nb_event_ports;
200 
201 	return ssovf_mbox_getwork_tmo_set(deq_tmo_ns);
202 }
203 
204 static void
205 ssovf_queue_def_conf(struct rte_eventdev *dev, uint8_t queue_id,
206 				 struct rte_event_queue_conf *queue_conf)
207 {
208 	RTE_SET_USED(dev);
209 	RTE_SET_USED(queue_id);
210 
211 	queue_conf->nb_atomic_flows = (1ULL << 20);
212 	queue_conf->nb_atomic_order_sequences = (1ULL << 20);
213 	queue_conf->event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
214 	queue_conf->priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
215 }
216 
217 static void
218 ssovf_queue_release(struct rte_eventdev *dev, uint8_t queue_id)
219 {
220 	RTE_SET_USED(dev);
221 	RTE_SET_USED(queue_id);
222 }
223 
224 static int
225 ssovf_queue_setup(struct rte_eventdev *dev, uint8_t queue_id,
226 			      const struct rte_event_queue_conf *queue_conf)
227 {
228 	RTE_SET_USED(dev);
229 	ssovf_func_trace("queue=%d prio=%d", queue_id, queue_conf->priority);
230 
231 	return ssovf_mbox_priority_set(queue_id, queue_conf->priority);
232 }
233 
234 static void
235 ssovf_port_def_conf(struct rte_eventdev *dev, uint8_t port_id,
236 				 struct rte_event_port_conf *port_conf)
237 {
238 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
239 
240 	RTE_SET_USED(port_id);
241 	port_conf->new_event_threshold = edev->max_num_events;
242 	port_conf->dequeue_depth = 1;
243 	port_conf->enqueue_depth = 1;
244 	port_conf->disable_implicit_release = 0;
245 }
246 
247 static void
248 ssovf_port_release(void *port)
249 {
250 	rte_free(port);
251 }
252 
253 static int
254 ssovf_port_setup(struct rte_eventdev *dev, uint8_t port_id,
255 				const struct rte_event_port_conf *port_conf)
256 {
257 	struct ssows *ws;
258 	uint32_t reg_off;
259 	uint8_t q;
260 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
261 
262 	ssovf_func_trace("port=%d", port_id);
263 	RTE_SET_USED(port_conf);
264 
265 	/* Free memory prior to re-allocation if needed */
266 	if (dev->data->ports[port_id] != NULL) {
267 		ssovf_port_release(dev->data->ports[port_id]);
268 		dev->data->ports[port_id] = NULL;
269 	}
270 
271 	/* Allocate event port memory */
272 	ws = rte_zmalloc_socket("eventdev ssows",
273 			sizeof(struct ssows), RTE_CACHE_LINE_SIZE,
274 			dev->data->socket_id);
275 	if (ws == NULL) {
276 		ssovf_log_err("Failed to alloc memory for port=%d", port_id);
277 		return -ENOMEM;
278 	}
279 
280 	ws->base = ssovf_bar(OCTEONTX_SSO_HWS, port_id, 0);
281 	if (ws->base == NULL) {
282 		rte_free(ws);
283 		ssovf_log_err("Failed to get hws base addr port=%d", port_id);
284 		return -EINVAL;
285 	}
286 
287 	reg_off = SSOW_VHWS_OP_GET_WORK0;
288 	reg_off |= 1 << 4; /* Index_ggrp_mask (Use maskset zero) */
289 	reg_off |= 1 << 16; /* Wait */
290 	ws->getwork = ws->base + reg_off;
291 	ws->port = port_id;
292 
293 	for (q = 0; q < edev->nb_event_queues; q++) {
294 		ws->grps[q] = ssovf_bar(OCTEONTX_SSO_GROUP, q, 2);
295 		if (ws->grps[q] == NULL) {
296 			rte_free(ws);
297 			ssovf_log_err("Failed to get grp%d base addr", q);
298 			return -EINVAL;
299 		}
300 	}
301 
302 	dev->data->ports[port_id] = ws;
303 	ssovf_log_dbg("port=%d ws=%p", port_id, ws);
304 	return 0;
305 }
306 
307 static int
308 ssovf_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
309 		const uint8_t priorities[], uint16_t nb_links)
310 {
311 	uint16_t link;
312 	uint64_t val;
313 	struct ssows *ws = port;
314 
315 	ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_links);
316 	RTE_SET_USED(dev);
317 	RTE_SET_USED(priorities);
318 
319 	for (link = 0; link < nb_links; link++) {
320 		val = queues[link];
321 		val |= (1ULL << 24); /* Set membership */
322 		ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
323 	}
324 	return (int)nb_links;
325 }
326 
327 static int
328 ssovf_port_unlink(struct rte_eventdev *dev, void *port, uint8_t queues[],
329 			uint16_t nb_unlinks)
330 {
331 	uint16_t unlink;
332 	uint64_t val;
333 	struct ssows *ws = port;
334 
335 	ssovf_func_trace("port=%d nb_links=%d", ws->port, nb_unlinks);
336 	RTE_SET_USED(dev);
337 
338 	for (unlink = 0; unlink < nb_unlinks; unlink++) {
339 		val = queues[unlink];
340 		val &= ~(1ULL << 24); /* Clear membership */
341 		ssovf_write64(val, ws->base + SSOW_VHWS_GRPMSK_CHGX(0));
342 	}
343 	return (int)nb_unlinks;
344 }
345 
346 static int
347 ssovf_timeout_ticks(struct rte_eventdev *dev, uint64_t ns, uint64_t *tmo_ticks)
348 {
349 	RTE_SET_USED(dev);
350 
351 	return ssovf_mbox_timeout_ticks(ns, tmo_ticks);
352 }
353 
354 static void
355 ssows_dump(struct ssows *ws, FILE *f)
356 {
357 	uint8_t *base = ws->base;
358 	uint64_t val;
359 
360 	fprintf(f, "\t---------------port%d---------------\n", ws->port);
361 	val = ssovf_read64(base + SSOW_VHWS_TAG);
362 	fprintf(f, "\ttag=0x%x tt=%d head=%d tail=%d grp=%d index=%d tail=%d\n",
363 		(uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
364 		(int)(val >> 34) & 0x1, (int)(val >> 35) & 0x1,
365 		(int)(val >> 36) & 0x3ff, (int)(val >> 48) & 0x3ff,
366 		(int)(val >> 63) & 0x1);
367 
368 	val = ssovf_read64(base + SSOW_VHWS_WQP);
369 	fprintf(f, "\twqp=0x%"PRIx64"\n", val);
370 
371 	val = ssovf_read64(base + SSOW_VHWS_LINKS);
372 	fprintf(f, "\tindex=%d valid=%d revlink=%d tail=%d head=%d grp=%d\n",
373 		(int)(val & 0x3ff), (int)(val >> 10) & 0x1,
374 		(int)(val >> 11) & 0x3ff, (int)(val >> 26) & 0x1,
375 		(int)(val >> 27) & 0x1, (int)(val >> 28) & 0x3ff);
376 
377 	val = ssovf_read64(base + SSOW_VHWS_PENDTAG);
378 	fprintf(f, "\tptag=0x%x ptt=%d pgwi=%d pdesc=%d pgw=%d pgww=%d ps=%d\n",
379 		(uint32_t)(val & 0xffffffff), (int)(val >> 32) & 0x3,
380 		(int)(val >> 56) & 0x1, (int)(val >> 58) & 0x1,
381 		(int)(val >> 61) & 0x1, (int)(val >> 62) & 0x1,
382 		(int)(val >> 63) & 0x1);
383 
384 	val = ssovf_read64(base + SSOW_VHWS_PENDWQP);
385 	fprintf(f, "\tpwqp=0x%"PRIx64"\n", val);
386 }
387 
388 static int
389 ssovf_eth_rx_adapter_caps_get(const struct rte_eventdev *dev,
390 		const struct rte_eth_dev *eth_dev, uint32_t *caps)
391 {
392 	int ret;
393 	RTE_SET_USED(dev);
394 
395 	ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
396 	if (ret)
397 		*caps = RTE_EVENT_ETH_RX_ADAPTER_SW_CAP;
398 	else
399 		*caps = RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT;
400 
401 	return 0;
402 }
403 
404 static int
405 ssovf_eth_rx_adapter_queue_add(const struct rte_eventdev *dev,
406 		const struct rte_eth_dev *eth_dev, int32_t rx_queue_id,
407 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf)
408 {
409 	int ret = 0;
410 	const struct octeontx_nic *nic = eth_dev->data->dev_private;
411 	pki_mod_qos_t pki_qos;
412 	RTE_SET_USED(dev);
413 
414 	ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
415 	if (ret)
416 		return -EINVAL;
417 
418 	if (rx_queue_id >= 0)
419 		return -EINVAL;
420 
421 	if (queue_conf->ev.sched_type == RTE_SCHED_TYPE_PARALLEL)
422 		return -ENOTSUP;
423 
424 	memset(&pki_qos, 0, sizeof(pki_mod_qos_t));
425 
426 	pki_qos.port_type = 0;
427 	pki_qos.index = 0;
428 	pki_qos.mmask.f_tag_type = 1;
429 	pki_qos.mmask.f_port_add = 1;
430 	pki_qos.mmask.f_grp_ok = 1;
431 	pki_qos.mmask.f_grp_bad = 1;
432 	pki_qos.mmask.f_grptag_ok = 1;
433 	pki_qos.mmask.f_grptag_bad = 1;
434 
435 	pki_qos.tag_type = queue_conf->ev.sched_type;
436 	pki_qos.qos_entry.port_add = 0;
437 	pki_qos.qos_entry.ggrp_ok = queue_conf->ev.queue_id;
438 	pki_qos.qos_entry.ggrp_bad = queue_conf->ev.queue_id;
439 	pki_qos.qos_entry.grptag_bad = 0;
440 	pki_qos.qos_entry.grptag_ok = 0;
441 
442 	ret = octeontx_pki_port_modify_qos(nic->port_id, &pki_qos);
443 	if (ret < 0)
444 		ssovf_log_err("failed to modify QOS, port=%d, q=%d",
445 				nic->port_id, queue_conf->ev.queue_id);
446 
447 	return ret;
448 }
449 
450 static int
451 ssovf_eth_rx_adapter_queue_del(const struct rte_eventdev *dev,
452 		const struct rte_eth_dev *eth_dev, int32_t rx_queue_id)
453 {
454 	int ret = 0;
455 	const struct octeontx_nic *nic = eth_dev->data->dev_private;
456 	pki_del_qos_t pki_qos;
457 	RTE_SET_USED(dev);
458 
459 	ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
460 	if (ret)
461 		return -EINVAL;
462 
463 	pki_qos.port_type = 0;
464 	pki_qos.index = 0;
465 	memset(&pki_qos, 0, sizeof(pki_del_qos_t));
466 	ret = octeontx_pki_port_delete_qos(nic->port_id, &pki_qos);
467 	if (ret < 0)
468 		ssovf_log_err("Failed to delete QOS port=%d, q=%d",
469 				nic->port_id, rx_queue_id);
470 	return ret;
471 }
472 
473 static int
474 ssovf_eth_rx_adapter_start(const struct rte_eventdev *dev,
475 					const struct rte_eth_dev *eth_dev)
476 {
477 	RTE_SET_USED(dev);
478 	RTE_SET_USED(eth_dev);
479 
480 	return 0;
481 }
482 
483 
484 static int
485 ssovf_eth_rx_adapter_stop(const struct rte_eventdev *dev,
486 		const struct rte_eth_dev *eth_dev)
487 {
488 	RTE_SET_USED(dev);
489 	RTE_SET_USED(eth_dev);
490 
491 	return 0;
492 }
493 
494 static int
495 ssovf_eth_tx_adapter_caps_get(const struct rte_eventdev *dev,
496 		const struct rte_eth_dev *eth_dev, uint32_t *caps)
497 {
498 	int ret;
499 	RTE_SET_USED(dev);
500 
501 	ret = strncmp(eth_dev->data->name, "eth_octeontx", 12);
502 	if (ret)
503 		*caps = 0;
504 	else
505 		*caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
506 
507 	return 0;
508 }
509 
510 static int
511 ssovf_eth_tx_adapter_create(uint8_t id, const struct rte_eventdev *dev)
512 {
513 	RTE_SET_USED(id);
514 	RTE_SET_USED(dev);
515 	return 0;
516 }
517 
518 static int
519 ssovf_eth_tx_adapter_free(uint8_t id, const struct rte_eventdev *dev)
520 {
521 	RTE_SET_USED(id);
522 	RTE_SET_USED(dev);
523 	return 0;
524 }
525 
526 static int
527 ssovf_eth_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *dev,
528 		const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
529 {
530 	RTE_SET_USED(id);
531 	RTE_SET_USED(dev);
532 	RTE_SET_USED(eth_dev);
533 	RTE_SET_USED(tx_queue_id);
534 	return 0;
535 }
536 
537 static int
538 ssovf_eth_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *dev,
539 		const struct rte_eth_dev *eth_dev, int32_t tx_queue_id)
540 {
541 	RTE_SET_USED(id);
542 	RTE_SET_USED(dev);
543 	RTE_SET_USED(eth_dev);
544 	RTE_SET_USED(tx_queue_id);
545 	return 0;
546 }
547 
548 static int
549 ssovf_eth_tx_adapter_start(uint8_t id, const struct rte_eventdev *dev)
550 {
551 	RTE_SET_USED(id);
552 	RTE_SET_USED(dev);
553 	return 0;
554 }
555 
556 static int
557 ssovf_eth_tx_adapter_stop(uint8_t id, const struct rte_eventdev *dev)
558 {
559 	RTE_SET_USED(id);
560 	RTE_SET_USED(dev);
561 	return 0;
562 }
563 
564 
565 static void
566 ssovf_dump(struct rte_eventdev *dev, FILE *f)
567 {
568 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
569 	uint8_t port;
570 
571 	/* Dump SSOWVF debug registers */
572 	for (port = 0; port < edev->nb_event_ports; port++)
573 		ssows_dump(dev->data->ports[port], f);
574 }
575 
576 static int
577 ssovf_start(struct rte_eventdev *dev)
578 {
579 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
580 	struct ssows *ws;
581 	uint8_t *base;
582 	uint8_t i;
583 
584 	ssovf_func_trace();
585 	for (i = 0; i < edev->nb_event_ports; i++) {
586 		ws = dev->data->ports[i];
587 		ssows_reset(ws);
588 		ws->swtag_req = 0;
589 	}
590 
591 	for (i = 0; i < edev->nb_event_queues; i++) {
592 		/* Consume all the events through HWS0 */
593 		ssows_flush_events(dev->data->ports[0], i, NULL, NULL);
594 
595 		base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
596 		base += SSO_VHGRP_QCTL;
597 		ssovf_write64(1, base); /* Enable SSO group */
598 	}
599 
600 	ssovf_fastpath_fns_set(dev);
601 	return 0;
602 }
603 
604 static void
605 ssows_handle_event(void *arg, struct rte_event event)
606 {
607 	struct rte_eventdev *dev = arg;
608 
609 	if (dev->dev_ops->dev_stop_flush != NULL)
610 		dev->dev_ops->dev_stop_flush(dev->data->dev_id, event,
611 					dev->data->dev_stop_flush_arg);
612 }
613 
614 static void
615 ssovf_stop(struct rte_eventdev *dev)
616 {
617 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
618 	struct ssows *ws;
619 	uint8_t *base;
620 	uint8_t i;
621 
622 	ssovf_func_trace();
623 	for (i = 0; i < edev->nb_event_ports; i++) {
624 		ws = dev->data->ports[i];
625 		ssows_reset(ws);
626 		ws->swtag_req = 0;
627 	}
628 
629 	for (i = 0; i < edev->nb_event_queues; i++) {
630 		/* Consume all the events through HWS0 */
631 		ssows_flush_events(dev->data->ports[0], i,
632 				ssows_handle_event, dev);
633 
634 		base = ssovf_bar(OCTEONTX_SSO_GROUP, i, 0);
635 		base += SSO_VHGRP_QCTL;
636 		ssovf_write64(0, base); /* Disable SSO group */
637 	}
638 }
639 
640 static int
641 ssovf_close(struct rte_eventdev *dev)
642 {
643 	struct ssovf_evdev *edev = ssovf_pmd_priv(dev);
644 	uint8_t all_queues[RTE_EVENT_MAX_QUEUES_PER_DEV];
645 	uint8_t i;
646 
647 	for (i = 0; i < edev->nb_event_queues; i++)
648 		all_queues[i] = i;
649 
650 	for (i = 0; i < edev->nb_event_ports; i++)
651 		ssovf_port_unlink(dev, dev->data->ports[i], all_queues,
652 			edev->nb_event_queues);
653 	return 0;
654 }
655 
656 static int
657 ssovf_selftest(const char *key __rte_unused, const char *value,
658 		void *opaque)
659 {
660 	int *flag = opaque;
661 	*flag = !!atoi(value);
662 	return 0;
663 }
664 
665 static int
666 ssovf_timvf_caps_get(const struct rte_eventdev *dev, uint64_t flags,
667 		uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
668 {
669 	return timvf_timer_adapter_caps_get(dev, flags, caps, ops,
670 			timvf_enable_stats);
671 }
672 
673 /* Initialize and register event driver with DPDK Application */
674 static struct rte_eventdev_ops ssovf_ops = {
675 	.dev_infos_get    = ssovf_info_get,
676 	.dev_configure    = ssovf_configure,
677 	.queue_def_conf   = ssovf_queue_def_conf,
678 	.queue_setup      = ssovf_queue_setup,
679 	.queue_release    = ssovf_queue_release,
680 	.port_def_conf    = ssovf_port_def_conf,
681 	.port_setup       = ssovf_port_setup,
682 	.port_release     = ssovf_port_release,
683 	.port_link        = ssovf_port_link,
684 	.port_unlink      = ssovf_port_unlink,
685 	.timeout_ticks    = ssovf_timeout_ticks,
686 
687 	.eth_rx_adapter_caps_get  = ssovf_eth_rx_adapter_caps_get,
688 	.eth_rx_adapter_queue_add = ssovf_eth_rx_adapter_queue_add,
689 	.eth_rx_adapter_queue_del = ssovf_eth_rx_adapter_queue_del,
690 	.eth_rx_adapter_start = ssovf_eth_rx_adapter_start,
691 	.eth_rx_adapter_stop = ssovf_eth_rx_adapter_stop,
692 
693 	.eth_tx_adapter_caps_get = ssovf_eth_tx_adapter_caps_get,
694 	.eth_tx_adapter_create = ssovf_eth_tx_adapter_create,
695 	.eth_tx_adapter_free = ssovf_eth_tx_adapter_free,
696 	.eth_tx_adapter_queue_add = ssovf_eth_tx_adapter_queue_add,
697 	.eth_tx_adapter_queue_del = ssovf_eth_tx_adapter_queue_del,
698 	.eth_tx_adapter_start = ssovf_eth_tx_adapter_start,
699 	.eth_tx_adapter_stop = ssovf_eth_tx_adapter_stop,
700 
701 	.timer_adapter_caps_get = ssovf_timvf_caps_get,
702 
703 	.dev_selftest = test_eventdev_octeontx,
704 
705 	.dump             = ssovf_dump,
706 	.dev_start        = ssovf_start,
707 	.dev_stop         = ssovf_stop,
708 	.dev_close        = ssovf_close
709 };
710 
711 static int
712 ssovf_vdev_probe(struct rte_vdev_device *vdev)
713 {
714 	struct ssovf_info oinfo;
715 	struct ssovf_mbox_dev_info info;
716 	struct ssovf_evdev *edev;
717 	struct rte_eventdev *eventdev;
718 	static int ssovf_init_once;
719 	const char *name;
720 	const char *params;
721 	int ret;
722 	int selftest = 0;
723 
724 	static const char *const args[] = {
725 		SSOVF_SELFTEST_ARG,
726 		TIMVF_ENABLE_STATS_ARG,
727 		NULL
728 	};
729 
730 	name = rte_vdev_device_name(vdev);
731 	/* More than one instance is not supported */
732 	if (ssovf_init_once) {
733 		ssovf_log_err("Request to create >1 %s instance", name);
734 		return -EINVAL;
735 	}
736 
737 	params = rte_vdev_device_args(vdev);
738 	if (params != NULL && params[0] != '\0') {
739 		struct rte_kvargs *kvlist = rte_kvargs_parse(params, args);
740 
741 		if (!kvlist) {
742 			ssovf_log_info(
743 				"Ignoring unsupported params supplied '%s'",
744 				name);
745 		} else {
746 			int ret = rte_kvargs_process(kvlist,
747 					SSOVF_SELFTEST_ARG,
748 					ssovf_selftest, &selftest);
749 			if (ret != 0) {
750 				ssovf_log_err("%s: Error in selftest", name);
751 				rte_kvargs_free(kvlist);
752 				return ret;
753 			}
754 
755 			ret = rte_kvargs_process(kvlist,
756 					TIMVF_ENABLE_STATS_ARG,
757 					ssovf_selftest, &timvf_enable_stats);
758 			if (ret != 0) {
759 				ssovf_log_err("%s: Error in timvf stats", name);
760 				rte_kvargs_free(kvlist);
761 				return ret;
762 			}
763 		}
764 
765 		rte_kvargs_free(kvlist);
766 	}
767 
768 	eventdev = rte_event_pmd_vdev_init(name, sizeof(struct ssovf_evdev),
769 				rte_socket_id());
770 	if (eventdev == NULL) {
771 		ssovf_log_err("Failed to create eventdev vdev %s", name);
772 		return -ENOMEM;
773 	}
774 	eventdev->dev_ops = &ssovf_ops;
775 
776 	/* For secondary processes, the primary has done all the work */
777 	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
778 		ssovf_fastpath_fns_set(eventdev);
779 		return 0;
780 	}
781 
782 	ret = ssovf_info(&oinfo);
783 	if (ret) {
784 		ssovf_log_err("Failed to probe and validate ssovfs %d", ret);
785 		goto error;
786 	}
787 
788 	edev = ssovf_pmd_priv(eventdev);
789 	edev->max_event_ports = oinfo.total_ssowvfs;
790 	edev->max_event_queues = oinfo.total_ssovfs;
791 	edev->is_timeout_deq = 0;
792 
793 	ret = ssovf_mbox_dev_info(&info);
794 	if (ret < 0 || ret != sizeof(struct ssovf_mbox_dev_info)) {
795 		ssovf_log_err("Failed to get mbox devinfo %d", ret);
796 		goto error;
797 	}
798 
799 	edev->min_deq_timeout_ns = info.min_deq_timeout_ns;
800 	edev->max_deq_timeout_ns = info.max_deq_timeout_ns;
801 	edev->max_num_events =  info.max_num_events;
802 	ssovf_log_dbg("min_deq_tmo=%"PRId64" max_deq_tmo=%"PRId64" max_evts=%d",
803 			info.min_deq_timeout_ns, info.max_deq_timeout_ns,
804 			info.max_num_events);
805 
806 	if (!edev->max_event_ports || !edev->max_event_queues) {
807 		ssovf_log_err("Not enough eventdev resource queues=%d ports=%d",
808 			edev->max_event_queues, edev->max_event_ports);
809 		ret = -ENODEV;
810 		goto error;
811 	}
812 
813 	ssovf_log_info("Initializing %s domain=%d max_queues=%d max_ports=%d",
814 			name, oinfo.domain, edev->max_event_queues,
815 			edev->max_event_ports);
816 
817 	ssovf_init_once = 1;
818 	if (selftest)
819 		test_eventdev_octeontx();
820 	return 0;
821 
822 error:
823 	rte_event_pmd_vdev_uninit(name);
824 	return ret;
825 }
826 
827 static int
828 ssovf_vdev_remove(struct rte_vdev_device *vdev)
829 {
830 	const char *name;
831 
832 	name = rte_vdev_device_name(vdev);
833 	ssovf_log_info("Closing %s", name);
834 	return rte_event_pmd_vdev_uninit(name);
835 }
836 
837 static struct rte_vdev_driver vdev_ssovf_pmd = {
838 	.probe = ssovf_vdev_probe,
839 	.remove = ssovf_vdev_remove
840 };
841 
842 RTE_PMD_REGISTER_VDEV(EVENTDEV_NAME_OCTEONTX_PMD, vdev_ssovf_pmd);
843