xref: /dpdk/drivers/net/ice/ice_dcf_parent.c (revision 02edbfab)
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 	rte_spinlock_unlock(&vsi_update_lock);
147 
148 	free(param);
149 
150 	return NULL;
151 }
152 
153 static void
154 start_vsi_reset_thread(struct ice_dcf_hw *dcf_hw, bool vfr, uint16_t vf_id)
155 {
156 #define THREAD_NAME_LEN	16
157 	struct ice_dcf_reset_event_param *param;
158 	char name[THREAD_NAME_LEN];
159 	pthread_t thread;
160 	int ret;
161 
162 	param = malloc(sizeof(*param));
163 	if (!param) {
164 		PMD_DRV_LOG(ERR, "Failed to allocate the memory for reset handling");
165 		return;
166 	}
167 
168 	param->dcf_hw = dcf_hw;
169 	param->vfr = vfr;
170 	param->vf_id = vf_id;
171 
172 	snprintf(name, sizeof(name), "ice-reset-%u", vf_id);
173 	ret = rte_ctrl_thread_create(&thread, name, NULL,
174 				     ice_dcf_vsi_update_service_handler, param);
175 	if (ret != 0) {
176 		PMD_DRV_LOG(ERR, "Failed to start the thread for reset handling");
177 		free(param);
178 	}
179 }
180 
181 static uint32_t
182 ice_dcf_convert_link_speed(enum virtchnl_link_speed virt_link_speed)
183 {
184 	uint32_t speed;
185 
186 	switch (virt_link_speed) {
187 	case VIRTCHNL_LINK_SPEED_100MB:
188 		speed = 100;
189 		break;
190 	case VIRTCHNL_LINK_SPEED_1GB:
191 		speed = 1000;
192 		break;
193 	case VIRTCHNL_LINK_SPEED_10GB:
194 		speed = 10000;
195 		break;
196 	case VIRTCHNL_LINK_SPEED_40GB:
197 		speed = 40000;
198 		break;
199 	case VIRTCHNL_LINK_SPEED_20GB:
200 		speed = 20000;
201 		break;
202 	case VIRTCHNL_LINK_SPEED_25GB:
203 		speed = 25000;
204 		break;
205 	case VIRTCHNL_LINK_SPEED_2_5GB:
206 		speed = 2500;
207 		break;
208 	case VIRTCHNL_LINK_SPEED_5GB:
209 		speed = 5000;
210 		break;
211 	default:
212 		speed = 0;
213 		break;
214 	}
215 
216 	return speed;
217 }
218 
219 void
220 ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
221 			    uint8_t *msg, uint16_t msglen)
222 {
223 	struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
224 
225 	if (msglen < sizeof(struct virtchnl_pf_event)) {
226 		PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
227 		return;
228 	}
229 
230 	switch (pf_msg->event) {
231 	case VIRTCHNL_EVENT_RESET_IMPENDING:
232 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
233 		start_vsi_reset_thread(dcf_hw, false, 0);
234 		break;
235 	case VIRTCHNL_EVENT_LINK_CHANGE:
236 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
237 		dcf_hw->link_up = pf_msg->event_data.link_event.link_status;
238 		if (dcf_hw->vf_res->vf_cap_flags &
239 			VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
240 			dcf_hw->link_speed =
241 				pf_msg->event_data.link_event_adv.link_speed;
242 		} else {
243 			enum virtchnl_link_speed speed;
244 			speed = pf_msg->event_data.link_event.link_speed;
245 			dcf_hw->link_speed = ice_dcf_convert_link_speed(speed);
246 		}
247 		ice_dcf_link_update(dcf_hw->eth_dev, 0);
248 		rte_eth_dev_callback_process(dcf_hw->eth_dev,
249 			RTE_ETH_EVENT_INTR_LSC, NULL);
250 		break;
251 	case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
252 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
253 		break;
254 	case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
255 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
256 			    pf_msg->event_data.vf_vsi_map.vf_id,
257 			    pf_msg->event_data.vf_vsi_map.vsi_id);
258 		start_vsi_reset_thread(dcf_hw, true,
259 				       pf_msg->event_data.vf_vsi_map.vf_id);
260 		break;
261 	default:
262 		PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
263 		break;
264 	}
265 }
266 
267 static int
268 ice_dcf_query_port_ets(struct ice_hw *parent_hw, struct ice_dcf_hw *real_hw)
269 {
270 	int ret;
271 
272 	real_hw->ets_config = (struct ice_aqc_port_ets_elem *)
273 			ice_malloc(real_hw, sizeof(*real_hw->ets_config));
274 	if (!real_hw->ets_config)
275 		return ICE_ERR_NO_MEMORY;
276 
277 	ret = ice_aq_query_port_ets(parent_hw->port_info,
278 			real_hw->ets_config, sizeof(*real_hw->ets_config),
279 			NULL);
280 	if (ret) {
281 		PMD_DRV_LOG(ERR, "DCF Query Port ETS failed");
282 		rte_free(real_hw->ets_config);
283 		real_hw->ets_config = NULL;
284 		return ret;
285 	}
286 
287 	return ICE_SUCCESS;
288 }
289 
290 static int
291 ice_dcf_init_parent_hw(struct ice_hw *hw)
292 {
293 	struct ice_aqc_get_phy_caps_data *pcaps;
294 	enum ice_status status;
295 
296 	status = ice_aq_get_fw_ver(hw, NULL);
297 	if (status)
298 		return status;
299 
300 	status = ice_get_caps(hw);
301 	if (status)
302 		return status;
303 
304 	hw->port_info = (struct ice_port_info *)
305 			ice_malloc(hw, sizeof(*hw->port_info));
306 	if (!hw->port_info)
307 		return ICE_ERR_NO_MEMORY;
308 
309 	/* set the back pointer to HW */
310 	hw->port_info->hw = hw;
311 
312 	/* Initialize port_info struct with switch configuration data */
313 	status = ice_get_initial_sw_cfg(hw);
314 	if (status)
315 		goto err_unroll_alloc;
316 
317 	pcaps = (struct ice_aqc_get_phy_caps_data *)
318 		ice_malloc(hw, sizeof(*pcaps));
319 	if (!pcaps) {
320 		status = ICE_ERR_NO_MEMORY;
321 		goto err_unroll_alloc;
322 	}
323 
324 	/* Initialize port_info struct with PHY capabilities */
325 	status = ice_aq_get_phy_caps(hw->port_info, false,
326 				     ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps, NULL);
327 	ice_free(hw, pcaps);
328 	if (status)
329 		goto err_unroll_alloc;
330 
331 	/* Initialize port_info struct with link information */
332 	status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
333 	if (status)
334 		goto err_unroll_alloc;
335 
336 	status = ice_init_fltr_mgmt_struct(hw);
337 	if (status)
338 		goto err_unroll_alloc;
339 
340 	status = ice_init_hw_tbls(hw);
341 	if (status)
342 		goto err_unroll_fltr_mgmt_struct;
343 
344 	PMD_INIT_LOG(INFO,
345 		     "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
346 		     hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
347 		     hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
348 		     hw->fw_build);
349 
350 	return ICE_SUCCESS;
351 
352 err_unroll_fltr_mgmt_struct:
353 	ice_cleanup_fltr_mgmt_struct(hw);
354 err_unroll_alloc:
355 	ice_free(hw, hw->port_info);
356 	hw->port_info = NULL;
357 
358 	return status;
359 }
360 
361 static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
362 {
363 	ice_cleanup_fltr_mgmt_struct(hw);
364 
365 	ice_free_seg(hw);
366 	ice_free_hw_tbls(hw);
367 
368 	ice_free(hw, hw->port_info);
369 	hw->port_info = NULL;
370 
371 	ice_clear_all_vsi_ctx(hw);
372 }
373 
374 static int
375 ice_dcf_load_pkg(struct ice_adapter *adapter)
376 {
377 	struct ice_dcf_adapter *dcf_adapter =
378 			container_of(&adapter->hw, struct ice_dcf_adapter, parent.hw);
379 	struct virtchnl_pkg_info pkg_info;
380 	struct dcf_virtchnl_cmd vc_cmd;
381 	bool use_dsn;
382 	uint64_t dsn = 0;
383 
384 	vc_cmd.v_op = VIRTCHNL_OP_DCF_GET_PKG_INFO;
385 	vc_cmd.req_msglen = 0;
386 	vc_cmd.req_msg = NULL;
387 	vc_cmd.rsp_buflen = sizeof(pkg_info);
388 	vc_cmd.rsp_msgbuf = (uint8_t *)&pkg_info;
389 
390 	use_dsn = ice_dcf_execute_virtchnl_cmd(&dcf_adapter->real_hw, &vc_cmd) == 0;
391 	if (use_dsn)
392 		rte_memcpy(&dsn, pkg_info.dsn, sizeof(dsn));
393 
394 	return ice_load_pkg(adapter, use_dsn, dsn);
395 }
396 
397 int
398 ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
399 {
400 	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
401 	struct ice_adapter *parent_adapter = &adapter->parent;
402 	struct ice_hw *parent_hw = &parent_adapter->hw;
403 	struct ice_dcf_hw *hw = &adapter->real_hw;
404 	const struct rte_ether_addr *mac;
405 	int err;
406 
407 	parent_adapter->pf.adapter = parent_adapter;
408 	parent_adapter->pf.dev_data = eth_dev->data;
409 	/* create a dummy main_vsi */
410 	parent_adapter->pf.main_vsi =
411 		rte_zmalloc(NULL, sizeof(struct ice_vsi), 0);
412 	if (!parent_adapter->pf.main_vsi)
413 		return -ENOMEM;
414 	parent_adapter->pf.main_vsi->adapter = parent_adapter;
415 	parent_adapter->pf.adapter_stopped = 1;
416 
417 	parent_hw->back = parent_adapter;
418 	parent_hw->mac_type = ICE_MAC_GENERIC;
419 	parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
420 
421 	ice_init_lock(&parent_hw->adminq.sq_lock);
422 	ice_init_lock(&parent_hw->adminq.rq_lock);
423 	parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
424 	parent_hw->aq_send_cmd_param = &adapter->real_hw;
425 	parent_hw->dcf_enabled = true;
426 
427 	err = ice_dcf_init_parent_hw(parent_hw);
428 	if (err) {
429 		PMD_INIT_LOG(ERR, "failed to init the DCF parent hardware with error %d",
430 			     err);
431 		return err;
432 	}
433 
434 	if (hw->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) {
435 		err = ice_dcf_query_port_ets(parent_hw, hw);
436 		if (err) {
437 			PMD_INIT_LOG(ERR, "failed to query port ets with error %d",
438 				     err);
439 			goto uninit_hw;
440 		}
441 	}
442 
443 	err = ice_dcf_load_pkg(parent_adapter);
444 	if (err) {
445 		PMD_INIT_LOG(ERR, "failed to load package with error %d",
446 			     err);
447 		goto uninit_hw;
448 	}
449 
450 	parent_adapter->pf.main_vsi->idx = hw->num_vfs;
451 	ice_dcf_update_pf_vsi_map(parent_hw,
452 			parent_adapter->pf.main_vsi->idx, hw->pf_vsi_id);
453 
454 	ice_dcf_update_vf_vsi_map(parent_hw, hw->num_vfs, hw->vf_vsi_map);
455 
456 	err = ice_flow_init(parent_adapter);
457 	if (err) {
458 		PMD_INIT_LOG(ERR, "Failed to initialize flow");
459 		goto uninit_hw;
460 	}
461 
462 	mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
463 	if (rte_is_valid_assigned_ether_addr(mac))
464 		rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
465 	else
466 		rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
467 
468 	eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
469 
470 	return 0;
471 
472 uninit_hw:
473 	ice_dcf_uninit_parent_hw(parent_hw);
474 	return err;
475 }
476 
477 void
478 ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
479 {
480 	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
481 	struct ice_adapter *parent_adapter = &adapter->parent;
482 	struct ice_hw *parent_hw = &parent_adapter->hw;
483 
484 	eth_dev->data->mac_addrs = NULL;
485 
486 	ice_flow_uninit(parent_adapter);
487 	ice_dcf_uninit_parent_hw(parent_hw);
488 }
489