xref: /dpdk/drivers/net/ice/ice_dcf_parent.c (revision 0cd91fd3)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2020 Intel Corporation
3  */
4 #include <sys/types.h>
5 #include <sys/stat.h>
6 #include <pthread.h>
7 #include <unistd.h>
8 
9 #include <rte_spinlock.h>
10 
11 #include "ice_dcf_ethdev.h"
12 #include "ice_generic_flow.h"
13 
14 #define ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL	100000 /* us */
15 static rte_spinlock_t vsi_update_lock = RTE_SPINLOCK_INITIALIZER;
16 
17 struct ice_dcf_reset_event_param {
18 	struct ice_dcf_hw *dcf_hw;
19 
20 	bool vfr; /* VF reset event */
21 	uint16_t vf_id; /* The reset VF ID */
22 };
23 
24 static __rte_always_inline void
25 ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
26 		       uint16_t vsi_map)
27 {
28 	struct ice_vsi_ctx *vsi_ctx;
29 	bool first_update = false;
30 	uint16_t new_vsi_num;
31 
32 	if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
33 		PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
34 		return;
35 	}
36 
37 	vsi_ctx = hw->vsi_ctx[vsi_handle];
38 
39 	if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
40 		if (!vsi_ctx) {
41 			vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
42 			if (!vsi_ctx) {
43 				PMD_DRV_LOG(ERR, "No memory for vsi context %u",
44 					    vsi_handle);
45 				return;
46 			}
47 			hw->vsi_ctx[vsi_handle] = vsi_ctx;
48 			first_update = true;
49 		}
50 
51 		new_vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
52 			VIRTCHNL_DCF_VF_VSI_ID_S;
53 
54 		/* Redirect rules if vsi mapping table changes. */
55 		if (!first_update) {
56 			struct ice_flow_redirect rd;
57 
58 			memset(&rd, 0, sizeof(struct ice_flow_redirect));
59 			rd.type = ICE_FLOW_REDIRECT_VSI;
60 			rd.vsi_handle = vsi_handle;
61 			rd.new_vsi_num = new_vsi_num;
62 			ice_flow_redirect((struct ice_adapter *)hw->back, &rd);
63 		} else {
64 			vsi_ctx->vsi_num = new_vsi_num;
65 		}
66 
67 		PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
68 			    vsi_handle, vsi_ctx->vsi_num);
69 	} else {
70 		hw->vsi_ctx[vsi_handle] = NULL;
71 
72 		ice_free(hw, vsi_ctx);
73 
74 		PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
75 	}
76 }
77 
78 static void
79 ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
80 			  uint16_t *vf_vsi_map)
81 {
82 	uint16_t vf_id;
83 
84 	for (vf_id = 0; vf_id < num_vfs; vf_id++)
85 		ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
86 }
87 
88 static void
89 ice_dcf_update_pf_vsi_map(struct ice_hw *hw, uint16_t pf_vsi_idx,
90 			uint16_t pf_vsi_num)
91 {
92 	struct ice_vsi_ctx *vsi_ctx;
93 
94 	if (unlikely(pf_vsi_idx >= ICE_MAX_VSI)) {
95 		PMD_DRV_LOG(ERR, "Invalid vsi handle %u", pf_vsi_idx);
96 		return;
97 	}
98 
99 	vsi_ctx = hw->vsi_ctx[pf_vsi_idx];
100 
101 	if (!vsi_ctx)
102 		vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
103 
104 	if (!vsi_ctx) {
105 		PMD_DRV_LOG(ERR, "No memory for vsi context %u",
106 				pf_vsi_idx);
107 		return;
108 	}
109 
110 	vsi_ctx->vsi_num = pf_vsi_num;
111 	hw->vsi_ctx[pf_vsi_idx] = vsi_ctx;
112 
113 	PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
114 			pf_vsi_idx, vsi_ctx->vsi_num);
115 }
116 
117 static void*
118 ice_dcf_vsi_update_service_handler(void *param)
119 {
120 	struct ice_dcf_reset_event_param *reset_param = param;
121 	struct ice_dcf_hw *hw = reset_param->dcf_hw;
122 	struct ice_dcf_adapter *adapter;
123 
124 	pthread_detach(pthread_self());
125 
126 	rte_delay_us(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL);
127 
128 	rte_spinlock_lock(&vsi_update_lock);
129 
130 	adapter = container_of(hw, struct ice_dcf_adapter, real_hw);
131 
132 	if (!ice_dcf_handle_vsi_update_event(hw))
133 		ice_dcf_update_vf_vsi_map(&adapter->parent.hw,
134 					  hw->num_vfs, hw->vf_vsi_map);
135 
136 	if (reset_param->vfr && adapter->repr_infos) {
137 		struct rte_eth_dev *vf_rep_eth_dev =
138 			adapter->repr_infos[reset_param->vf_id].vf_rep_eth_dev;
139 		if (vf_rep_eth_dev && vf_rep_eth_dev->data->dev_started) {
140 			PMD_DRV_LOG(DEBUG, "VF%u representor is resetting",
141 				    reset_param->vf_id);
142 			ice_dcf_vf_repr_init_vlan(vf_rep_eth_dev);
143 		}
144 	}
145 
146 	if (hw->tm_conf.committed)
147 		ice_dcf_replay_vf_bw(hw, reset_param->vf_id);
148 
149 	rte_spinlock_unlock(&vsi_update_lock);
150 
151 	free(param);
152 
153 	return NULL;
154 }
155 
156 static void
157 start_vsi_reset_thread(struct ice_dcf_hw *dcf_hw, bool vfr, uint16_t vf_id)
158 {
159 #define THREAD_NAME_LEN	16
160 	struct ice_dcf_reset_event_param *param;
161 	char name[THREAD_NAME_LEN];
162 	pthread_t thread;
163 	int ret;
164 
165 	param = malloc(sizeof(*param));
166 	if (!param) {
167 		PMD_DRV_LOG(ERR, "Failed to allocate the memory for reset handling");
168 		return;
169 	}
170 
171 	param->dcf_hw = dcf_hw;
172 	param->vfr = vfr;
173 	param->vf_id = vf_id;
174 
175 	snprintf(name, sizeof(name), "ice-reset-%u", vf_id);
176 	ret = rte_ctrl_thread_create(&thread, name, NULL,
177 				     ice_dcf_vsi_update_service_handler, param);
178 	if (ret != 0) {
179 		PMD_DRV_LOG(ERR, "Failed to start the thread for reset handling");
180 		free(param);
181 	}
182 }
183 
184 static uint32_t
185 ice_dcf_convert_link_speed(enum virtchnl_link_speed virt_link_speed)
186 {
187 	uint32_t speed;
188 
189 	switch (virt_link_speed) {
190 	case VIRTCHNL_LINK_SPEED_100MB:
191 		speed = 100;
192 		break;
193 	case VIRTCHNL_LINK_SPEED_1GB:
194 		speed = 1000;
195 		break;
196 	case VIRTCHNL_LINK_SPEED_10GB:
197 		speed = 10000;
198 		break;
199 	case VIRTCHNL_LINK_SPEED_40GB:
200 		speed = 40000;
201 		break;
202 	case VIRTCHNL_LINK_SPEED_20GB:
203 		speed = 20000;
204 		break;
205 	case VIRTCHNL_LINK_SPEED_25GB:
206 		speed = 25000;
207 		break;
208 	case VIRTCHNL_LINK_SPEED_2_5GB:
209 		speed = 2500;
210 		break;
211 	case VIRTCHNL_LINK_SPEED_5GB:
212 		speed = 5000;
213 		break;
214 	default:
215 		speed = 0;
216 		break;
217 	}
218 
219 	return speed;
220 }
221 
222 void
223 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
224 			    uint8_t *msg, uint16_t msglen)
225 {
226 	struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
227 
228 	if (msglen < sizeof(struct virtchnl_pf_event)) {
229 		PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
230 		return;
231 	}
232 
233 	switch (pf_msg->event) {
234 	case VIRTCHNL_EVENT_RESET_IMPENDING:
235 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
236 		dcf_hw->resetting = true;
237 		break;
238 	case VIRTCHNL_EVENT_LINK_CHANGE:
239 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
240 		dcf_hw->link_up = pf_msg->event_data.link_event.link_status;
241 		if (dcf_hw->vf_res->vf_cap_flags &
242 			VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
243 			dcf_hw->link_speed =
244 				pf_msg->event_data.link_event_adv.link_speed;
245 		} else {
246 			enum virtchnl_link_speed speed;
247 			speed = pf_msg->event_data.link_event.link_speed;
248 			dcf_hw->link_speed = ice_dcf_convert_link_speed(speed);
249 		}
250 		ice_dcf_link_update(dcf_hw->eth_dev, 0);
251 		rte_eth_dev_callback_process(dcf_hw->eth_dev,
252 			RTE_ETH_EVENT_INTR_LSC, NULL);
253 		break;
254 	case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
255 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
256 		break;
257 	case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
258 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
259 			    pf_msg->event_data.vf_vsi_map.vf_id,
260 			    pf_msg->event_data.vf_vsi_map.vsi_id);
261 		start_vsi_reset_thread(dcf_hw, true,
262 				       pf_msg->event_data.vf_vsi_map.vf_id);
263 		break;
264 	default:
265 		PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
266 		break;
267 	}
268 }
269 
270 static int
271 ice_dcf_query_port_ets(struct ice_hw *parent_hw, struct ice_dcf_hw *real_hw)
272 {
273 	int ret;
274 
275 	real_hw->ets_config = (struct ice_aqc_port_ets_elem *)
276 			ice_malloc(real_hw, sizeof(*real_hw->ets_config));
277 	if (!real_hw->ets_config)
278 		return ICE_ERR_NO_MEMORY;
279 
280 	ret = ice_aq_query_port_ets(parent_hw->port_info,
281 			real_hw->ets_config, sizeof(*real_hw->ets_config),
282 			NULL);
283 	if (ret) {
284 		PMD_DRV_LOG(ERR, "DCF Query Port ETS failed");
285 		rte_free(real_hw->ets_config);
286 		real_hw->ets_config = NULL;
287 		return ret;
288 	}
289 
290 	return ICE_SUCCESS;
291 }
292 
293 static int
294 ice_dcf_init_parent_hw(struct ice_hw *hw)
295 {
296 	struct ice_aqc_get_phy_caps_data *pcaps;
297 	enum ice_status status;
298 
299 	status = ice_aq_get_fw_ver(hw, NULL);
300 	if (status)
301 		return status;
302 
303 	status = ice_get_caps(hw);
304 	if (status)
305 		return status;
306 
307 	hw->port_info = (struct ice_port_info *)
308 			ice_malloc(hw, sizeof(*hw->port_info));
309 	if (!hw->port_info)
310 		return ICE_ERR_NO_MEMORY;
311 
312 	/* set the back pointer to HW */
313 	hw->port_info->hw = hw;
314 
315 	/* Initialize port_info struct with switch configuration data */
316 	status = ice_get_initial_sw_cfg(hw);
317 	if (status)
318 		goto err_unroll_alloc;
319 
320 	pcaps = (struct ice_aqc_get_phy_caps_data *)
321 		ice_malloc(hw, sizeof(*pcaps));
322 	if (!pcaps) {
323 		status = ICE_ERR_NO_MEMORY;
324 		goto err_unroll_alloc;
325 	}
326 
327 	/* Initialize port_info struct with PHY capabilities */
328 	status = ice_aq_get_phy_caps(hw->port_info, false,
329 				     ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL);
330 	ice_free(hw, pcaps);
331 	if (status)
332 		goto err_unroll_alloc;
333 
334 	/* Initialize port_info struct with link information */
335 	status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
336 	if (status)
337 		goto err_unroll_alloc;
338 
339 	status = ice_init_fltr_mgmt_struct(hw);
340 	if (status)
341 		goto err_unroll_alloc;
342 
343 	status = ice_init_hw_tbls(hw);
344 	if (status)
345 		goto err_unroll_fltr_mgmt_struct;
346 
347 	PMD_INIT_LOG(INFO,
348 		     "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
349 		     hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
350 		     hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
351 		     hw->fw_build);
352 
353 	return ICE_SUCCESS;
354 
355 err_unroll_fltr_mgmt_struct:
356 	ice_cleanup_fltr_mgmt_struct(hw);
357 err_unroll_alloc:
358 	ice_free(hw, hw->port_info);
359 	hw->port_info = NULL;
360 	hw->switch_info = NULL;
361 
362 	return status;
363 }
364 
365 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
366 {
367 	ice_cleanup_fltr_mgmt_struct(hw);
368 
369 	ice_free_seg(hw);
370 	ice_free_hw_tbls(hw);
371 
372 	ice_free(hw, hw->port_info);
373 	hw->port_info = NULL;
374 	hw->switch_info = NULL;
375 
376 	ice_clear_all_vsi_ctx(hw);
377 }
378 
379 static int
380 ice_dcf_load_pkg(struct ice_adapter *adapter)
381 {
382 	struct ice_dcf_adapter *dcf_adapter =
383 			container_of(&adapter->hw, struct ice_dcf_adapter, parent.hw);
384 	struct virtchnl_pkg_info pkg_info;
385 	struct dcf_virtchnl_cmd vc_cmd;
386 	bool use_dsn;
387 	uint64_t dsn = 0;
388 
389 	vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
390 	vc_cmd.req_msglen = 0;
391 	vc_cmd.req_msg = NULL;
392 	vc_cmd.rsp_buflen = sizeof(pkg_info);
393 	vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
394 
395 	use_dsn = ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd) == 0;
396 	if (use_dsn)
397 		rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
398 
399 	return ice_load_pkg(adapter, use_dsn, dsn);
400 }
401 
402 int
403 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
404 {
405 	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
406 	struct ice_adapter *parent_adapter = &adapter->parent;
407 	struct ice_hw *parent_hw = &parent_adapter->hw;
408 	struct ice_dcf_hw *hw = &adapter->real_hw;
409 	const struct rte_ether_addr *mac;
410 	int err;
411 
412 	parent_adapter->pf.adapter = parent_adapter;
413 	parent_adapter->pf.dev_data = eth_dev->data;
414 	/* create a dummy main_vsi */
415 	parent_adapter->pf.main_vsi =
416 		rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
417 	if (!parent_adapter->pf.main_vsi)
418 		return -ENOMEM;
419 	parent_adapter->pf.main_vsi->adapter = parent_adapter;
420 	parent_adapter->pf.adapter_stopped = 1;
421 
422 	parent_hw->back = parent_adapter;
423 	parent_hw->mac_type = ICE_MAC_GENERIC;
424 	parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
425 
426 	ice_init_lock(&parent_hw->adminq.sq_lock);
427 	ice_init_lock(&parent_hw->adminq.rq_lock);
428 	parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
429 	parent_hw->aq_send_cmd_param = &adapter->real_hw;
430 	parent_hw->dcf_enabled = true;
431 
432 	err = ice_dcf_init_parent_hw(parent_hw);
433 	if (err) {
434 		PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
435 			     err);
436 		return err;
437 	}
438 
439 	if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) {
440 		err = ice_dcf_query_port_ets(parent_hw, hw);
441 		if (err) {
442 			PMD_INIT_LOG(ERR, "failed to query port ets with error %d",
443 				     err);
444 			goto uninit_hw;
445 		}
446 	}
447 
448 	err = ice_dcf_load_pkg(parent_adapter);
449 	if (err) {
450 		PMD_INIT_LOG(ERR, "failed to load package with error %d",
451 			     err);
452 		goto uninit_hw;
453 	}
454 
455 	parent_adapter->pf.main_vsi->idx = hw->num_vfs;
456 	ice_dcf_update_pf_vsi_map(parent_hw,
457 			parent_adapter->pf.main_vsi->idx, hw->pf_vsi_id);
458 
459 	ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
460 
461 	err = ice_flow_init(parent_adapter);
462 	if (err) {
463 		PMD_INIT_LOG(ERR, "Failed to initialize flow");
464 		goto uninit_hw;
465 	}
466 
467 	mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
468 	if (rte_is_valid_assigned_ether_addr(mac))
469 		rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
470 	else
471 		rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
472 
473 	eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
474 
475 	return 0;
476 
477 uninit_hw:
478 	ice_dcf_uninit_parent_hw(parent_hw);
479 	return err;
480 }
481 
482 void
483 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
484 {
485 	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
486 	struct ice_adapter *parent_adapter = &adapter->parent;
487 	struct ice_hw *parent_hw = &parent_adapter->hw;
488 
489 	eth_dev->data->mac_addrs = NULL;
490 	rte_free(parent_adapter->pf.main_vsi);
491 	parent_adapter->pf.main_vsi = NULL;
492 
493 	ice_flow_uninit(parent_adapter);
494 	ice_dcf_uninit_parent_hw(parent_hw);
495 }
496