1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #include <linux/crc32.h>
8 #include <linux/etherdevice.h>
9 #include "qed.h"
10 #include "qed_sriov.h"
11 #include "qed_vf.h"
12 
13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
14 {
15 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
16 	void *p_tlv;
17 
18 	/* This lock is released when we receive PF's response
19 	 * in qed_send_msg2pf().
20 	 * So, qed_vf_pf_prep() and qed_send_msg2pf()
21 	 * must come in sequence.
22 	 */
23 	mutex_lock(&(p_iov->mutex));
24 
25 	DP_VERBOSE(p_hwfn,
26 		   QED_MSG_IOV,
27 		   "preparing to send 0x%04x tlv over vf pf channel\n",
28 		   type);
29 
30 	/* Reset Request offset */
31 	p_iov->offset = (u8 *)p_iov->vf2pf_request;
32 
33 	/* Clear mailbox - both request and reply */
34 	memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
35 	memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
36 
37 	/* Init type and length */
38 	p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
39 
40 	/* Init first tlv header */
41 	((struct vfpf_first_tlv *)p_tlv)->reply_address =
42 	    (u64)p_iov->pf2vf_reply_phys;
43 
44 	return p_tlv;
45 }
46 
47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
48 {
49 	union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
50 
51 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
52 		   "VF request status = 0x%x, PF reply status = 0x%x\n",
53 		   req_status, resp->default_resp.hdr.status);
54 
55 	mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
56 }
57 
58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS	90
59 #define QED_VF_CHANNEL_USLEEP_DELAY		100
60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS	10
61 #define QED_VF_CHANNEL_MSLEEP_DELAY		25
62 
63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
64 {
65 	union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
66 	struct ustorm_trigger_vf_zone trigger;
67 	struct ustorm_vf_zone *zone_data;
68 	int iter, rc = 0;
69 
70 	zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
71 
72 	/* output tlvs list */
73 	qed_dp_tlv_list(p_hwfn, p_req);
74 
75 	/* need to add the END TLV to the message size */
76 	resp_size += sizeof(struct channel_list_end_tlv);
77 
78 	/* Send TLVs over HW channel */
79 	memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
80 	trigger.vf_pf_msg_valid = 1;
81 
82 	DP_VERBOSE(p_hwfn,
83 		   QED_MSG_IOV,
84 		   "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
85 		   GET_FIELD(p_hwfn->hw_info.concrete_fid,
86 			     PXP_CONCRETE_FID_PFID),
87 		   upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
88 		   lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
89 		   &zone_data->non_trigger.vf_pf_msg_addr,
90 		   *((u32 *)&trigger), &zone_data->trigger);
91 
92 	REG_WR(p_hwfn,
93 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
94 	       lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
95 
96 	REG_WR(p_hwfn,
97 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
98 	       upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
99 
100 	/* The message data must be written first, to prevent trigger before
101 	 * data is written.
102 	 */
103 	wmb();
104 
105 	REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
106 
107 	/* When PF would be done with the response, it would write back to the
108 	 * `done' address from a coherent DMA zone. Poll until then.
109 	 */
110 
111 	iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
112 	while (!*done && iter--) {
113 		udelay(QED_VF_CHANNEL_USLEEP_DELAY);
114 		dma_rmb();
115 	}
116 
117 	iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
118 	while (!*done && iter--) {
119 		msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
120 		dma_rmb();
121 	}
122 
123 	if (!*done) {
124 		DP_NOTICE(p_hwfn,
125 			  "VF <-- PF Timeout [Type %d]\n",
126 			  p_req->first_tlv.tl.type);
127 		rc = -EBUSY;
128 	} else {
129 		if ((*done != PFVF_STATUS_SUCCESS) &&
130 		    (*done != PFVF_STATUS_NO_RESOURCE))
131 			DP_NOTICE(p_hwfn,
132 				  "PF response: %d [Type %d]\n",
133 				  *done, p_req->first_tlv.tl.type);
134 		else
135 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
136 				   "PF response: %d [Type %d]\n",
137 				   *done, p_req->first_tlv.tl.type);
138 	}
139 
140 	return rc;
141 }
142 
143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
144 			      struct qed_queue_cid *p_cid)
145 {
146 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
147 	struct vfpf_qid_tlv *p_qid_tlv;
148 
149 	/* Only add QIDs for the queue if it was negotiated with PF */
150 	if (!(p_iov->acquire_resp.pfdev_info.capabilities &
151 	      PFVF_ACQUIRE_CAP_QUEUE_QIDS))
152 		return;
153 
154 	p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
155 				CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
156 	p_qid_tlv->qid = p_cid->qid_usage_idx;
157 }
158 
159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
160 {
161 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
162 	struct pfvf_def_resp_tlv *resp;
163 	struct vfpf_first_tlv *req;
164 	u32 size;
165 	int rc;
166 
167 	/* clear mailbox and prep first tlv */
168 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
169 
170 	/* add list termination tlv */
171 	qed_add_tlv(p_hwfn, &p_iov->offset,
172 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
173 
174 	resp = &p_iov->pf2vf_reply->default_resp;
175 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
176 
177 	if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
178 		rc = -EAGAIN;
179 
180 	qed_vf_pf_req_end(p_hwfn, rc);
181 	if (!b_final)
182 		return rc;
183 
184 	p_hwfn->b_int_enabled = 0;
185 
186 	if (p_iov->vf2pf_request)
187 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
188 				  sizeof(union vfpf_tlvs),
189 				  p_iov->vf2pf_request,
190 				  p_iov->vf2pf_request_phys);
191 	if (p_iov->pf2vf_reply)
192 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
193 				  sizeof(union pfvf_tlvs),
194 				  p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
195 
196 	if (p_iov->bulletin.p_virt) {
197 		size = sizeof(struct qed_bulletin_content);
198 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
199 				  size,
200 				  p_iov->bulletin.p_virt, p_iov->bulletin.phys);
201 	}
202 
203 	kfree(p_hwfn->vf_iov_info);
204 	p_hwfn->vf_iov_info = NULL;
205 
206 	return rc;
207 }
208 
209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
210 {
211 	return _qed_vf_pf_release(p_hwfn, true);
212 }
213 
214 #define VF_ACQUIRE_THRESH 3
215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
216 					  struct vf_pf_resc_request *p_req,
217 					  struct pf_vf_resc *p_resp)
218 {
219 	DP_VERBOSE(p_hwfn,
220 		   QED_MSG_IOV,
221 		   "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
222 		   p_req->num_rxqs,
223 		   p_resp->num_rxqs,
224 		   p_req->num_rxqs,
225 		   p_resp->num_txqs,
226 		   p_req->num_sbs,
227 		   p_resp->num_sbs,
228 		   p_req->num_mac_filters,
229 		   p_resp->num_mac_filters,
230 		   p_req->num_vlan_filters,
231 		   p_resp->num_vlan_filters,
232 		   p_req->num_mc_filters,
233 		   p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
234 
235 	/* humble our request */
236 	p_req->num_txqs = p_resp->num_txqs;
237 	p_req->num_rxqs = p_resp->num_rxqs;
238 	p_req->num_sbs = p_resp->num_sbs;
239 	p_req->num_mac_filters = p_resp->num_mac_filters;
240 	p_req->num_vlan_filters = p_resp->num_vlan_filters;
241 	p_req->num_mc_filters = p_resp->num_mc_filters;
242 	p_req->num_cids = p_resp->num_cids;
243 }
244 
245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
246 {
247 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
248 	struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
249 	struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
250 	struct vf_pf_resc_request *p_resc;
251 	u8 retry_cnt = VF_ACQUIRE_THRESH;
252 	bool resources_acquired = false;
253 	struct vfpf_acquire_tlv *req;
254 	int rc = 0, attempts = 0;
255 
256 	/* clear mailbox and prep first tlv */
257 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
258 	p_resc = &req->resc_request;
259 
260 	/* starting filling the request */
261 	req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
262 
263 	p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
264 	p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
265 	p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
266 	p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
267 	p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
268 	p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
269 
270 	req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
271 	req->vfdev_info.fw_major = FW_MAJOR_VERSION;
272 	req->vfdev_info.fw_minor = FW_MINOR_VERSION;
273 	req->vfdev_info.fw_revision = FW_REVISION_VERSION;
274 	req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
275 	req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
276 	req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
277 
278 	/* Fill capability field with any non-deprecated config we support */
279 	req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
280 
281 	/* If we've mapped the doorbell bar, try using queue qids */
282 	if (p_iov->b_doorbell_bar) {
283 		req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
284 						VFPF_ACQUIRE_CAP_QUEUE_QIDS;
285 		p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
286 	}
287 
288 	/* pf 2 vf bulletin board address */
289 	req->bulletin_addr = p_iov->bulletin.phys;
290 	req->bulletin_size = p_iov->bulletin.size;
291 
292 	/* add list termination tlv */
293 	qed_add_tlv(p_hwfn, &p_iov->offset,
294 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
295 
296 	while (!resources_acquired) {
297 		DP_VERBOSE(p_hwfn,
298 			   QED_MSG_IOV, "attempting to acquire resources\n");
299 
300 		/* Clear response buffer, as this might be a re-send */
301 		memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
302 
303 		/* send acquire request */
304 		rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
305 
306 		/* Re-try acquire in case of vf-pf hw channel timeout */
307 		if (retry_cnt && rc == -EBUSY) {
308 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
309 				   "VF retrying to acquire due to VPC timeout\n");
310 			retry_cnt--;
311 			continue;
312 		}
313 
314 		if (rc)
315 			goto exit;
316 
317 		/* copy acquire response from buffer to p_hwfn */
318 		memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
319 
320 		attempts++;
321 
322 		if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
323 			/* PF agrees to allocate our resources */
324 			if (!(resp->pfdev_info.capabilities &
325 			      PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
326 				/* It's possible legacy PF mistakenly accepted;
327 				 * but we don't care - simply mark it as
328 				 * legacy and continue.
329 				 */
330 				req->vfdev_info.capabilities |=
331 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
332 			}
333 			DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
334 			resources_acquired = true;
335 		} else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
336 			   attempts < VF_ACQUIRE_THRESH) {
337 			qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
338 						      &resp->resc);
339 		} else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
340 			if (pfdev_info->major_fp_hsi &&
341 			    (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
342 				DP_NOTICE(p_hwfn,
343 					  "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
344 					  pfdev_info->major_fp_hsi,
345 					  pfdev_info->minor_fp_hsi,
346 					  ETH_HSI_VER_MAJOR,
347 					  ETH_HSI_VER_MINOR,
348 					  pfdev_info->major_fp_hsi);
349 				rc = -EINVAL;
350 				goto exit;
351 			}
352 
353 			if (!pfdev_info->major_fp_hsi) {
354 				if (req->vfdev_info.capabilities &
355 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
356 					DP_NOTICE(p_hwfn,
357 						  "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
358 					rc = -EINVAL;
359 					goto exit;
360 				} else {
361 					DP_INFO(p_hwfn,
362 						"PF is old - try re-acquire to see if it supports FW-version override\n");
363 					req->vfdev_info.capabilities |=
364 					    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
365 					continue;
366 				}
367 			}
368 
369 			/* If PF/VF are using same Major, PF must have had
370 			 * it's reasons. Simply fail.
371 			 */
372 			DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
373 			rc = -EINVAL;
374 			goto exit;
375 		} else {
376 			DP_ERR(p_hwfn,
377 			       "PF returned error %d to VF acquisition request\n",
378 			       resp->hdr.status);
379 			rc = -EAGAIN;
380 			goto exit;
381 		}
382 	}
383 
384 	/* Mark the PF as legacy, if needed */
385 	if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
386 		p_iov->b_pre_fp_hsi = true;
387 
388 	/* In case PF doesn't support multi-queue Tx, update the number of
389 	 * CIDs to reflect the number of queues [older PFs didn't fill that
390 	 * field].
391 	 */
392 	if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
393 		resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
394 
395 	/* Update bulletin board size with response from PF */
396 	p_iov->bulletin.size = resp->bulletin_size;
397 
398 	/* get HW info */
399 	p_hwfn->cdev->type = resp->pfdev_info.dev_type;
400 	p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
401 
402 	p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
403 
404 	/* Learn of the possibility of CMT */
405 	if (IS_LEAD_HWFN(p_hwfn)) {
406 		if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
407 			DP_NOTICE(p_hwfn, "100g VF\n");
408 			p_hwfn->cdev->num_hwfns = 2;
409 		}
410 	}
411 
412 	if (!p_iov->b_pre_fp_hsi &&
413 	    (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
414 		DP_INFO(p_hwfn,
415 			"PF is using older fastpath HSI; %02x.%02x is configured\n",
416 			ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
417 	}
418 
419 exit:
420 	qed_vf_pf_req_end(p_hwfn, rc);
421 
422 	return rc;
423 }
424 
425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
426 {
427 	u32 bar_size;
428 
429 	/* Regview size is fixed */
430 	if (bar_id == BAR_ID_0)
431 		return 1 << 17;
432 
433 	/* Doorbell is received from PF */
434 	bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
435 	if (bar_size)
436 		return 1 << bar_size;
437 	return 0;
438 }
439 
440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
441 {
442 	struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
443 	struct qed_vf_iov *p_iov;
444 	u32 reg;
445 	int rc;
446 
447 	/* Set number of hwfns - might be overridden once leading hwfn learns
448 	 * actual configuration from PF.
449 	 */
450 	if (IS_LEAD_HWFN(p_hwfn))
451 		p_hwfn->cdev->num_hwfns = 1;
452 
453 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
454 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
455 
456 	reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
457 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
458 
459 	/* Allocate vf sriov info */
460 	p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
461 	if (!p_iov)
462 		return -ENOMEM;
463 
464 	/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
465 	 * value, but there are several incompatibily scenarios where that
466 	 * would be incorrect and we'd need to override it.
467 	 */
468 	if (!p_hwfn->doorbells) {
469 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
470 						  PXP_VF_BAR0_START_DQ;
471 	} else if (p_hwfn == p_lead) {
472 		/* For leading hw-function, value is always correct, but need
473 		 * to handle scenario where legacy PF would not support 100g
474 		 * mapped bars later.
475 		 */
476 		p_iov->b_doorbell_bar = true;
477 	} else {
478 		/* here, value would be correct ONLY if the leading hwfn
479 		 * received indication that mapped-bars are supported.
480 		 */
481 		if (p_lead->vf_iov_info->b_doorbell_bar)
482 			p_iov->b_doorbell_bar = true;
483 		else
484 			p_hwfn->doorbells = (u8 __iomem *)
485 			    p_hwfn->regview + PXP_VF_BAR0_START_DQ;
486 	}
487 
488 	/* Allocate vf2pf msg */
489 	p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
490 						  sizeof(union vfpf_tlvs),
491 						  &p_iov->vf2pf_request_phys,
492 						  GFP_KERNEL);
493 	if (!p_iov->vf2pf_request)
494 		goto free_p_iov;
495 
496 	p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
497 						sizeof(union pfvf_tlvs),
498 						&p_iov->pf2vf_reply_phys,
499 						GFP_KERNEL);
500 	if (!p_iov->pf2vf_reply)
501 		goto free_vf2pf_request;
502 
503 	DP_VERBOSE(p_hwfn,
504 		   QED_MSG_IOV,
505 		   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
506 		   p_iov->vf2pf_request,
507 		   (u64)p_iov->vf2pf_request_phys,
508 		   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
509 
510 	/* Allocate Bulletin board */
511 	p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
512 	p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
513 						    p_iov->bulletin.size,
514 						    &p_iov->bulletin.phys,
515 						    GFP_KERNEL);
516 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
517 		   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
518 		   p_iov->bulletin.p_virt,
519 		   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
520 
521 	mutex_init(&p_iov->mutex);
522 
523 	p_hwfn->vf_iov_info = p_iov;
524 
525 	p_hwfn->hw_info.personality = QED_PCI_ETH;
526 
527 	rc = qed_vf_pf_acquire(p_hwfn);
528 
529 	/* If VF is 100g using a mapped bar and PF is too old to support that,
530 	 * acquisition would succeed - but the VF would have no way knowing
531 	 * the size of the doorbell bar configured in HW and thus will not
532 	 * know how to split it for 2nd hw-function.
533 	 * In this case we re-try without the indication of the mapped
534 	 * doorbell.
535 	 */
536 	if (!rc && p_iov->b_doorbell_bar &&
537 	    !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
538 	    (p_hwfn->cdev->num_hwfns > 1)) {
539 		rc = _qed_vf_pf_release(p_hwfn, false);
540 		if (rc)
541 			return rc;
542 
543 		p_iov->b_doorbell_bar = false;
544 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
545 						  PXP_VF_BAR0_START_DQ;
546 		rc = qed_vf_pf_acquire(p_hwfn);
547 	}
548 
549 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
550 		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
551 		   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
552 
553 	return rc;
554 
555 free_vf2pf_request:
556 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
557 			  sizeof(union vfpf_tlvs),
558 			  p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
559 free_p_iov:
560 	kfree(p_iov);
561 
562 	return -ENOMEM;
563 }
564 
565 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
566 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
567 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
568 
569 static void
570 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
571 			   struct qed_tunn_update_type *p_src,
572 			   enum qed_tunn_mode mask, u8 *p_cls)
573 {
574 	if (p_src->b_update_mode) {
575 		p_req->tun_mode_update_mask |= BIT(mask);
576 
577 		if (p_src->b_mode_enabled)
578 			p_req->tunn_mode |= BIT(mask);
579 	}
580 
581 	*p_cls = p_src->tun_cls;
582 }
583 
584 static void
585 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
586 			 struct qed_tunn_update_type *p_src,
587 			 enum qed_tunn_mode mask,
588 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
589 			 u8 *p_update_port, u16 *p_udp_port)
590 {
591 	if (p_port->b_update_port) {
592 		*p_update_port = 1;
593 		*p_udp_port = p_port->port;
594 	}
595 
596 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
597 }
598 
599 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
600 {
601 	if (p_tun->vxlan.b_mode_enabled)
602 		p_tun->vxlan.b_update_mode = true;
603 	if (p_tun->l2_geneve.b_mode_enabled)
604 		p_tun->l2_geneve.b_update_mode = true;
605 	if (p_tun->ip_geneve.b_mode_enabled)
606 		p_tun->ip_geneve.b_update_mode = true;
607 	if (p_tun->l2_gre.b_mode_enabled)
608 		p_tun->l2_gre.b_update_mode = true;
609 	if (p_tun->ip_gre.b_mode_enabled)
610 		p_tun->ip_gre.b_update_mode = true;
611 
612 	p_tun->b_update_rx_cls = true;
613 	p_tun->b_update_tx_cls = true;
614 }
615 
616 static void
617 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
618 			   u16 feature_mask, u8 tunn_mode,
619 			   u8 tunn_cls, enum qed_tunn_mode val)
620 {
621 	if (feature_mask & BIT(val)) {
622 		p_tun->b_mode_enabled = tunn_mode;
623 		p_tun->tun_cls = tunn_cls;
624 	} else {
625 		p_tun->b_mode_enabled = false;
626 	}
627 }
628 
629 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
630 				     struct qed_tunnel_info *p_tun,
631 				     struct pfvf_update_tunn_param_tlv *p_resp)
632 {
633 	/* Update mode and classes provided by PF */
634 	u16 feat_mask = p_resp->tunn_feature_mask;
635 
636 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
637 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
638 				   QED_MODE_VXLAN_TUNN);
639 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
640 				   p_resp->l2geneve_mode,
641 				   p_resp->l2geneve_clss,
642 				   QED_MODE_L2GENEVE_TUNN);
643 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
644 				   p_resp->ipgeneve_mode,
645 				   p_resp->ipgeneve_clss,
646 				   QED_MODE_IPGENEVE_TUNN);
647 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
648 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
649 				   QED_MODE_L2GRE_TUNN);
650 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
651 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
652 				   QED_MODE_IPGRE_TUNN);
653 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
654 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
655 
656 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
657 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
658 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
659 		   p_tun->ip_geneve.b_mode_enabled,
660 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
661 }
662 
663 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
664 				  struct qed_tunnel_info *p_src)
665 {
666 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
667 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
668 	struct pfvf_update_tunn_param_tlv *p_resp;
669 	struct vfpf_update_tunn_param_tlv *p_req;
670 	int rc;
671 
672 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
673 			       sizeof(*p_req));
674 
675 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
676 		p_req->update_tun_cls = 1;
677 
678 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
679 				 &p_req->vxlan_clss, &p_src->vxlan_port,
680 				 &p_req->update_vxlan_port,
681 				 &p_req->vxlan_port);
682 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
683 				 QED_MODE_L2GENEVE_TUNN,
684 				 &p_req->l2geneve_clss, &p_src->geneve_port,
685 				 &p_req->update_geneve_port,
686 				 &p_req->geneve_port);
687 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
688 				   QED_MODE_IPGENEVE_TUNN,
689 				   &p_req->ipgeneve_clss);
690 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
691 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
692 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
693 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
694 
695 	/* add list termination tlv */
696 	qed_add_tlv(p_hwfn, &p_iov->offset,
697 		    CHANNEL_TLV_LIST_END,
698 		    sizeof(struct channel_list_end_tlv));
699 
700 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
701 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
702 
703 	if (rc)
704 		goto exit;
705 
706 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
707 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
708 			   "Failed to update tunnel parameters\n");
709 		rc = -EINVAL;
710 	}
711 
712 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
713 exit:
714 	qed_vf_pf_req_end(p_hwfn, rc);
715 	return rc;
716 }
717 
718 int
719 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
720 		    struct qed_queue_cid *p_cid,
721 		    u16 bd_max_bytes,
722 		    dma_addr_t bd_chain_phys_addr,
723 		    dma_addr_t cqe_pbl_addr,
724 		    u16 cqe_pbl_size, void __iomem **pp_prod)
725 {
726 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
727 	struct pfvf_start_queue_resp_tlv *resp;
728 	struct vfpf_start_rxq_tlv *req;
729 	u8 rx_qid = p_cid->rel.queue_id;
730 	int rc;
731 
732 	/* clear mailbox and prep first tlv */
733 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
734 
735 	req->rx_qid = rx_qid;
736 	req->cqe_pbl_addr = cqe_pbl_addr;
737 	req->cqe_pbl_size = cqe_pbl_size;
738 	req->rxq_addr = bd_chain_phys_addr;
739 	req->hw_sb = p_cid->sb_igu_id;
740 	req->sb_index = p_cid->sb_idx;
741 	req->bd_max_bytes = bd_max_bytes;
742 	req->stat_id = -1;
743 
744 	/* If PF is legacy, we'll need to calculate producers ourselves
745 	 * as well as clean them.
746 	 */
747 	if (p_iov->b_pre_fp_hsi) {
748 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
749 		u32 init_prod_val = 0;
750 
751 		*pp_prod = (u8 __iomem *)
752 		    p_hwfn->regview +
753 		    MSTORM_QZONE_START(p_hwfn->cdev) +
754 		    hw_qid * MSTORM_QZONE_SIZE;
755 
756 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
757 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
758 				  (u32 *)(&init_prod_val));
759 	}
760 
761 	qed_vf_pf_add_qid(p_hwfn, p_cid);
762 
763 	/* add list termination tlv */
764 	qed_add_tlv(p_hwfn, &p_iov->offset,
765 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
766 
767 	resp = &p_iov->pf2vf_reply->queue_start;
768 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
769 	if (rc)
770 		goto exit;
771 
772 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
773 		rc = -EINVAL;
774 		goto exit;
775 	}
776 
777 	/* Learn the address of the producer from the response */
778 	if (!p_iov->b_pre_fp_hsi) {
779 		u32 init_prod_val = 0;
780 
781 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
782 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
783 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
784 			   rx_qid, *pp_prod, resp->offset);
785 
786 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
787 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
788 				  (u32 *)&init_prod_val);
789 	}
790 exit:
791 	qed_vf_pf_req_end(p_hwfn, rc);
792 
793 	return rc;
794 }
795 
796 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
797 		       struct qed_queue_cid *p_cid, bool cqe_completion)
798 {
799 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
800 	struct vfpf_stop_rxqs_tlv *req;
801 	struct pfvf_def_resp_tlv *resp;
802 	int rc;
803 
804 	/* clear mailbox and prep first tlv */
805 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
806 
807 	req->rx_qid = p_cid->rel.queue_id;
808 	req->num_rxqs = 1;
809 	req->cqe_completion = cqe_completion;
810 
811 	qed_vf_pf_add_qid(p_hwfn, p_cid);
812 
813 	/* add list termination tlv */
814 	qed_add_tlv(p_hwfn, &p_iov->offset,
815 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
816 
817 	resp = &p_iov->pf2vf_reply->default_resp;
818 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
819 	if (rc)
820 		goto exit;
821 
822 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
823 		rc = -EINVAL;
824 		goto exit;
825 	}
826 
827 exit:
828 	qed_vf_pf_req_end(p_hwfn, rc);
829 
830 	return rc;
831 }
832 
833 int
834 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
835 		    struct qed_queue_cid *p_cid,
836 		    dma_addr_t pbl_addr,
837 		    u16 pbl_size, void __iomem **pp_doorbell)
838 {
839 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
840 	struct pfvf_start_queue_resp_tlv *resp;
841 	struct vfpf_start_txq_tlv *req;
842 	u16 qid = p_cid->rel.queue_id;
843 	int rc;
844 
845 	/* clear mailbox and prep first tlv */
846 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
847 
848 	req->tx_qid = qid;
849 
850 	/* Tx */
851 	req->pbl_addr = pbl_addr;
852 	req->pbl_size = pbl_size;
853 	req->hw_sb = p_cid->sb_igu_id;
854 	req->sb_index = p_cid->sb_idx;
855 
856 	qed_vf_pf_add_qid(p_hwfn, p_cid);
857 
858 	/* add list termination tlv */
859 	qed_add_tlv(p_hwfn, &p_iov->offset,
860 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
861 
862 	resp = &p_iov->pf2vf_reply->queue_start;
863 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
864 	if (rc)
865 		goto exit;
866 
867 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
868 		rc = -EINVAL;
869 		goto exit;
870 	}
871 
872 	/* Modern PFs provide the actual offsets, while legacy
873 	 * provided only the queue id.
874 	 */
875 	if (!p_iov->b_pre_fp_hsi) {
876 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
877 	} else {
878 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
879 
880 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
881 					     qed_db_addr_vf(cid,
882 							    DQ_DEMS_LEGACY);
883 	}
884 
885 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
886 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
887 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
888 exit:
889 	qed_vf_pf_req_end(p_hwfn, rc);
890 
891 	return rc;
892 }
893 
894 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
895 {
896 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
897 	struct vfpf_stop_txqs_tlv *req;
898 	struct pfvf_def_resp_tlv *resp;
899 	int rc;
900 
901 	/* clear mailbox and prep first tlv */
902 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
903 
904 	req->tx_qid = p_cid->rel.queue_id;
905 	req->num_txqs = 1;
906 
907 	qed_vf_pf_add_qid(p_hwfn, p_cid);
908 
909 	/* add list termination tlv */
910 	qed_add_tlv(p_hwfn, &p_iov->offset,
911 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
912 
913 	resp = &p_iov->pf2vf_reply->default_resp;
914 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
915 	if (rc)
916 		goto exit;
917 
918 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
919 		rc = -EINVAL;
920 		goto exit;
921 	}
922 
923 exit:
924 	qed_vf_pf_req_end(p_hwfn, rc);
925 
926 	return rc;
927 }
928 
929 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
930 			  u8 vport_id,
931 			  u16 mtu,
932 			  u8 inner_vlan_removal,
933 			  enum qed_tpa_mode tpa_mode,
934 			  u8 max_buffers_per_cqe, u8 only_untagged)
935 {
936 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
937 	struct vfpf_vport_start_tlv *req;
938 	struct pfvf_def_resp_tlv *resp;
939 	int rc, i;
940 
941 	/* clear mailbox and prep first tlv */
942 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
943 
944 	req->mtu = mtu;
945 	req->vport_id = vport_id;
946 	req->inner_vlan_removal = inner_vlan_removal;
947 	req->tpa_mode = tpa_mode;
948 	req->max_buffers_per_cqe = max_buffers_per_cqe;
949 	req->only_untagged = only_untagged;
950 
951 	/* status blocks */
952 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
953 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
954 
955 		if (p_sb)
956 			req->sb_addr[i] = p_sb->sb_phys;
957 	}
958 
959 	/* add list termination tlv */
960 	qed_add_tlv(p_hwfn, &p_iov->offset,
961 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
962 
963 	resp = &p_iov->pf2vf_reply->default_resp;
964 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
965 	if (rc)
966 		goto exit;
967 
968 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
969 		rc = -EINVAL;
970 		goto exit;
971 	}
972 
973 exit:
974 	qed_vf_pf_req_end(p_hwfn, rc);
975 
976 	return rc;
977 }
978 
979 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
980 {
981 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
982 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
983 	int rc;
984 
985 	/* clear mailbox and prep first tlv */
986 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
987 		       sizeof(struct vfpf_first_tlv));
988 
989 	/* add list termination tlv */
990 	qed_add_tlv(p_hwfn, &p_iov->offset,
991 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
992 
993 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
994 	if (rc)
995 		goto exit;
996 
997 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
998 		rc = -EINVAL;
999 		goto exit;
1000 	}
1001 
1002 exit:
1003 	qed_vf_pf_req_end(p_hwfn, rc);
1004 
1005 	return rc;
1006 }
1007 
1008 static bool
1009 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1010 				  struct qed_sp_vport_update_params *p_data,
1011 				  u16 tlv)
1012 {
1013 	switch (tlv) {
1014 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1015 		return !!(p_data->update_vport_active_rx_flg ||
1016 			  p_data->update_vport_active_tx_flg);
1017 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1018 		return !!p_data->update_tx_switching_flg;
1019 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1020 		return !!p_data->update_inner_vlan_removal_flg;
1021 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1022 		return !!p_data->update_accept_any_vlan_flg;
1023 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1024 		return !!p_data->update_approx_mcast_flg;
1025 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1026 		return !!(p_data->accept_flags.update_rx_mode_config ||
1027 			  p_data->accept_flags.update_tx_mode_config);
1028 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
1029 		return !!p_data->rss_params;
1030 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1031 		return !!p_data->sge_tpa_params;
1032 	default:
1033 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1034 			tlv);
1035 		return false;
1036 	}
1037 }
1038 
1039 static void
1040 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1041 				  struct qed_sp_vport_update_params *p_data)
1042 {
1043 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1044 	struct pfvf_def_resp_tlv *p_resp;
1045 	u16 tlv;
1046 
1047 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1048 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1049 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1050 			continue;
1051 
1052 		p_resp = (struct pfvf_def_resp_tlv *)
1053 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1054 						  tlv);
1055 		if (p_resp && p_resp->hdr.status)
1056 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1057 				   "TLV[%d] Configuration %s\n",
1058 				   tlv,
1059 				   (p_resp && p_resp->hdr.status) ? "succeeded"
1060 								  : "failed");
1061 	}
1062 }
1063 
1064 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1065 			   struct qed_sp_vport_update_params *p_params)
1066 {
1067 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1068 	struct vfpf_vport_update_tlv *req;
1069 	struct pfvf_def_resp_tlv *resp;
1070 	u8 update_rx, update_tx;
1071 	u32 resp_size = 0;
1072 	u16 size, tlv;
1073 	int rc;
1074 
1075 	resp = &p_iov->pf2vf_reply->default_resp;
1076 	resp_size = sizeof(*resp);
1077 
1078 	update_rx = p_params->update_vport_active_rx_flg;
1079 	update_tx = p_params->update_vport_active_tx_flg;
1080 
1081 	/* clear mailbox and prep header tlv */
1082 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1083 
1084 	/* Prepare extended tlvs */
1085 	if (update_rx || update_tx) {
1086 		struct vfpf_vport_update_activate_tlv *p_act_tlv;
1087 
1088 		size = sizeof(struct vfpf_vport_update_activate_tlv);
1089 		p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1090 					CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1091 					size);
1092 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1093 
1094 		if (update_rx) {
1095 			p_act_tlv->update_rx = update_rx;
1096 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1097 		}
1098 
1099 		if (update_tx) {
1100 			p_act_tlv->update_tx = update_tx;
1101 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1102 		}
1103 	}
1104 
1105 	if (p_params->update_tx_switching_flg) {
1106 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1107 
1108 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1109 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1110 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1111 					      tlv, size);
1112 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1113 
1114 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1115 	}
1116 
1117 	if (p_params->update_approx_mcast_flg) {
1118 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1119 
1120 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1121 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1122 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1123 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1124 
1125 		memcpy(p_mcast_tlv->bins, p_params->bins,
1126 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1127 	}
1128 
1129 	update_rx = p_params->accept_flags.update_rx_mode_config;
1130 	update_tx = p_params->accept_flags.update_tx_mode_config;
1131 
1132 	if (update_rx || update_tx) {
1133 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1134 
1135 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1136 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1137 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1138 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1139 
1140 		if (update_rx) {
1141 			p_accept_tlv->update_rx_mode = update_rx;
1142 			p_accept_tlv->rx_accept_filter =
1143 			    p_params->accept_flags.rx_accept_filter;
1144 		}
1145 
1146 		if (update_tx) {
1147 			p_accept_tlv->update_tx_mode = update_tx;
1148 			p_accept_tlv->tx_accept_filter =
1149 			    p_params->accept_flags.tx_accept_filter;
1150 		}
1151 	}
1152 
1153 	if (p_params->rss_params) {
1154 		struct qed_rss_params *rss_params = p_params->rss_params;
1155 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1156 		int i, table_size;
1157 
1158 		size = sizeof(struct vfpf_vport_update_rss_tlv);
1159 		p_rss_tlv = qed_add_tlv(p_hwfn,
1160 					&p_iov->offset,
1161 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1162 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1163 
1164 		if (rss_params->update_rss_config)
1165 			p_rss_tlv->update_rss_flags |=
1166 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
1167 		if (rss_params->update_rss_capabilities)
1168 			p_rss_tlv->update_rss_flags |=
1169 			    VFPF_UPDATE_RSS_CAPS_FLAG;
1170 		if (rss_params->update_rss_ind_table)
1171 			p_rss_tlv->update_rss_flags |=
1172 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1173 		if (rss_params->update_rss_key)
1174 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1175 
1176 		p_rss_tlv->rss_enable = rss_params->rss_enable;
1177 		p_rss_tlv->rss_caps = rss_params->rss_caps;
1178 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1179 
1180 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1181 				   1 << p_rss_tlv->rss_table_size_log);
1182 		for (i = 0; i < table_size; i++) {
1183 			struct qed_queue_cid *p_queue;
1184 
1185 			p_queue = rss_params->rss_ind_table[i];
1186 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1187 		}
1188 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1189 		       sizeof(rss_params->rss_key));
1190 	}
1191 
1192 	if (p_params->update_accept_any_vlan_flg) {
1193 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1194 
1195 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1196 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1197 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1198 
1199 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1200 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1201 		p_any_vlan_tlv->update_accept_any_vlan_flg =
1202 		    p_params->update_accept_any_vlan_flg;
1203 	}
1204 
1205 	/* add list termination tlv */
1206 	qed_add_tlv(p_hwfn, &p_iov->offset,
1207 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1208 
1209 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1210 	if (rc)
1211 		goto exit;
1212 
1213 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1214 		rc = -EINVAL;
1215 		goto exit;
1216 	}
1217 
1218 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1219 
1220 exit:
1221 	qed_vf_pf_req_end(p_hwfn, rc);
1222 
1223 	return rc;
1224 }
1225 
1226 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1227 {
1228 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1229 	struct pfvf_def_resp_tlv *resp;
1230 	struct vfpf_first_tlv *req;
1231 	int rc;
1232 
1233 	/* clear mailbox and prep first tlv */
1234 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1235 
1236 	/* add list termination tlv */
1237 	qed_add_tlv(p_hwfn, &p_iov->offset,
1238 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1239 
1240 	resp = &p_iov->pf2vf_reply->default_resp;
1241 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1242 	if (rc)
1243 		goto exit;
1244 
1245 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1246 		rc = -EAGAIN;
1247 		goto exit;
1248 	}
1249 
1250 	p_hwfn->b_int_enabled = 0;
1251 
1252 exit:
1253 	qed_vf_pf_req_end(p_hwfn, rc);
1254 
1255 	return rc;
1256 }
1257 
1258 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1259 			    struct qed_filter_mcast *p_filter_cmd)
1260 {
1261 	struct qed_sp_vport_update_params sp_params;
1262 	int i;
1263 
1264 	memset(&sp_params, 0, sizeof(sp_params));
1265 	sp_params.update_approx_mcast_flg = 1;
1266 
1267 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1268 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1269 			u32 bit;
1270 
1271 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1272 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
1273 		}
1274 	}
1275 
1276 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
1277 }
1278 
1279 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1280 			   struct qed_filter_ucast *p_ucast)
1281 {
1282 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1283 	struct vfpf_ucast_filter_tlv *req;
1284 	struct pfvf_def_resp_tlv *resp;
1285 	int rc;
1286 
1287 	/* clear mailbox and prep first tlv */
1288 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1289 	req->opcode = (u8)p_ucast->opcode;
1290 	req->type = (u8)p_ucast->type;
1291 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1292 	req->vlan = p_ucast->vlan;
1293 
1294 	/* add list termination tlv */
1295 	qed_add_tlv(p_hwfn, &p_iov->offset,
1296 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1297 
1298 	resp = &p_iov->pf2vf_reply->default_resp;
1299 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1300 	if (rc)
1301 		goto exit;
1302 
1303 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1304 		rc = -EAGAIN;
1305 		goto exit;
1306 	}
1307 
1308 exit:
1309 	qed_vf_pf_req_end(p_hwfn, rc);
1310 
1311 	return rc;
1312 }
1313 
1314 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1315 {
1316 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1317 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1318 	int rc;
1319 
1320 	/* clear mailbox and prep first tlv */
1321 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1322 		       sizeof(struct vfpf_first_tlv));
1323 
1324 	/* add list termination tlv */
1325 	qed_add_tlv(p_hwfn, &p_iov->offset,
1326 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1327 
1328 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1329 	if (rc)
1330 		goto exit;
1331 
1332 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1333 		rc = -EINVAL;
1334 		goto exit;
1335 	}
1336 
1337 exit:
1338 	qed_vf_pf_req_end(p_hwfn, rc);
1339 
1340 	return rc;
1341 }
1342 
1343 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1344 			   u16 *p_coal, struct qed_queue_cid *p_cid)
1345 {
1346 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1347 	struct pfvf_read_coal_resp_tlv *resp;
1348 	struct vfpf_read_coal_req_tlv *req;
1349 	int rc;
1350 
1351 	/* clear mailbox and prep header tlv */
1352 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1353 	req->qid = p_cid->rel.queue_id;
1354 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
1355 
1356 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1357 		    sizeof(struct channel_list_end_tlv));
1358 	resp = &p_iov->pf2vf_reply->read_coal_resp;
1359 
1360 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1361 	if (rc)
1362 		goto exit;
1363 
1364 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1365 		goto exit;
1366 
1367 	*p_coal = resp->coal;
1368 exit:
1369 	qed_vf_pf_req_end(p_hwfn, rc);
1370 
1371 	return rc;
1372 }
1373 
1374 int
1375 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1376 			      const u8 *p_mac)
1377 {
1378 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1379 	struct vfpf_bulletin_update_mac_tlv *p_req;
1380 	struct pfvf_def_resp_tlv *p_resp;
1381 	int rc;
1382 
1383 	if (!p_mac)
1384 		return -EINVAL;
1385 
1386 	/* clear mailbox and prep header tlv */
1387 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1388 			       sizeof(*p_req));
1389 	ether_addr_copy(p_req->mac, p_mac);
1390 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1391 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1392 
1393 	/* add list termination tlv */
1394 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1395 		    sizeof(struct channel_list_end_tlv));
1396 
1397 	p_resp = &p_iov->pf2vf_reply->default_resp;
1398 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1399 	qed_vf_pf_req_end(p_hwfn, rc);
1400 	return rc;
1401 }
1402 
1403 int
1404 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1405 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1406 {
1407 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1408 	struct vfpf_update_coalesce *req;
1409 	struct pfvf_def_resp_tlv *resp;
1410 	int rc;
1411 
1412 	/* clear mailbox and prep header tlv */
1413 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1414 
1415 	req->rx_coal = rx_coal;
1416 	req->tx_coal = tx_coal;
1417 	req->qid = p_cid->rel.queue_id;
1418 
1419 	DP_VERBOSE(p_hwfn,
1420 		   QED_MSG_IOV,
1421 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1422 		   rx_coal, tx_coal, req->qid);
1423 
1424 	/* add list termination tlv */
1425 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1426 		    sizeof(struct channel_list_end_tlv));
1427 
1428 	resp = &p_iov->pf2vf_reply->default_resp;
1429 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1430 	if (rc)
1431 		goto exit;
1432 
1433 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1434 		goto exit;
1435 
1436 	if (rx_coal)
1437 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1438 
1439 	if (tx_coal)
1440 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1441 
1442 exit:
1443 	qed_vf_pf_req_end(p_hwfn, rc);
1444 	return rc;
1445 }
1446 
1447 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1448 {
1449 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1450 
1451 	if (!p_iov) {
1452 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1453 		return 0;
1454 	}
1455 
1456 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1457 }
1458 
1459 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1460 			u16 sb_id, struct qed_sb_info *p_sb)
1461 {
1462 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1463 
1464 	if (!p_iov) {
1465 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1466 		return;
1467 	}
1468 
1469 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1470 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1471 		return;
1472 	}
1473 
1474 	p_iov->sbs_info[sb_id] = p_sb;
1475 }
1476 
1477 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1478 {
1479 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1480 	struct qed_bulletin_content shadow;
1481 	u32 crc, crc_size;
1482 
1483 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1484 	*p_change = 0;
1485 
1486 	/* Need to guarantee PF is not in the middle of writing it */
1487 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1488 
1489 	/* If version did not update, no need to do anything */
1490 	if (shadow.version == p_iov->bulletin_shadow.version)
1491 		return 0;
1492 
1493 	/* Verify the bulletin we see is valid */
1494 	crc = crc32(0, (u8 *)&shadow + crc_size,
1495 		    p_iov->bulletin.size - crc_size);
1496 	if (crc != shadow.crc)
1497 		return -EAGAIN;
1498 
1499 	/* Set the shadow bulletin and process it */
1500 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1501 
1502 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1503 		   "Read a bulletin update %08x\n", shadow.version);
1504 
1505 	*p_change = 1;
1506 
1507 	return 0;
1508 }
1509 
1510 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1511 			      struct qed_mcp_link_params *p_params,
1512 			      struct qed_bulletin_content *p_bulletin)
1513 {
1514 	memset(p_params, 0, sizeof(*p_params));
1515 
1516 	p_params->speed.autoneg = p_bulletin->req_autoneg;
1517 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1518 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1519 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1520 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1521 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1522 	p_params->loopback_mode = p_bulletin->req_loopback;
1523 }
1524 
1525 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1526 			    struct qed_mcp_link_params *params)
1527 {
1528 	__qed_vf_get_link_params(p_hwfn, params,
1529 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
1530 }
1531 
1532 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1533 			     struct qed_mcp_link_state *p_link,
1534 			     struct qed_bulletin_content *p_bulletin)
1535 {
1536 	memset(p_link, 0, sizeof(*p_link));
1537 
1538 	p_link->link_up = p_bulletin->link_up;
1539 	p_link->speed = p_bulletin->speed;
1540 	p_link->full_duplex = p_bulletin->full_duplex;
1541 	p_link->an = p_bulletin->autoneg;
1542 	p_link->an_complete = p_bulletin->autoneg_complete;
1543 	p_link->parallel_detection = p_bulletin->parallel_detection;
1544 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
1545 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1546 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1547 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1548 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1549 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1550 }
1551 
1552 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1553 			   struct qed_mcp_link_state *link)
1554 {
1555 	__qed_vf_get_link_state(p_hwfn, link,
1556 				&(p_hwfn->vf_iov_info->bulletin_shadow));
1557 }
1558 
1559 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1560 			    struct qed_mcp_link_capabilities *p_link_caps,
1561 			    struct qed_bulletin_content *p_bulletin)
1562 {
1563 	memset(p_link_caps, 0, sizeof(*p_link_caps));
1564 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1565 }
1566 
1567 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1568 			  struct qed_mcp_link_capabilities *p_link_caps)
1569 {
1570 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
1571 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
1572 }
1573 
1574 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1575 {
1576 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1577 }
1578 
1579 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1580 {
1581 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1582 }
1583 
1584 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1585 {
1586 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1587 }
1588 
1589 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1590 {
1591 	memcpy(port_mac,
1592 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1593 }
1594 
1595 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1596 {
1597 	struct qed_vf_iov *p_vf;
1598 
1599 	p_vf = p_hwfn->vf_iov_info;
1600 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1601 }
1602 
1603 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1604 {
1605 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1606 
1607 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1608 }
1609 
1610 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1611 {
1612 	struct qed_bulletin_content *bulletin;
1613 
1614 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1615 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1616 		return true;
1617 
1618 	/* Forbid VF from changing a MAC enforced by PF */
1619 	if (ether_addr_equal(bulletin->mac, mac))
1620 		return false;
1621 
1622 	return false;
1623 }
1624 
1625 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1626 					   u8 *dst_mac, u8 *p_is_forced)
1627 {
1628 	struct qed_bulletin_content *bulletin;
1629 
1630 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1631 
1632 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1633 		if (p_is_forced)
1634 			*p_is_forced = 1;
1635 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1636 		if (p_is_forced)
1637 			*p_is_forced = 0;
1638 	} else {
1639 		return false;
1640 	}
1641 
1642 	ether_addr_copy(dst_mac, bulletin->mac);
1643 
1644 	return true;
1645 }
1646 
1647 static void
1648 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1649 			      u16 *p_vxlan_port, u16 *p_geneve_port)
1650 {
1651 	struct qed_bulletin_content *p_bulletin;
1652 
1653 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1654 
1655 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
1656 	*p_geneve_port = p_bulletin->geneve_udp_port;
1657 }
1658 
1659 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1660 			   u16 *fw_major, u16 *fw_minor,
1661 			   u16 *fw_rev, u16 *fw_eng)
1662 {
1663 	struct pf_vf_pfdev_info *info;
1664 
1665 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1666 
1667 	*fw_major = info->fw_major;
1668 	*fw_minor = info->fw_minor;
1669 	*fw_rev = info->fw_rev;
1670 	*fw_eng = info->fw_eng;
1671 }
1672 
1673 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1674 {
1675 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1676 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1677 	void *cookie = hwfn->cdev->ops_cookie;
1678 	u16 vxlan_port, geneve_port;
1679 
1680 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1681 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1682 						      &is_mac_forced);
1683 	if (is_mac_exist && cookie)
1684 		ops->force_mac(cookie, mac, !!is_mac_forced);
1685 
1686 	ops->ports_update(cookie, vxlan_port, geneve_port);
1687 
1688 	/* Always update link configuration according to bulletin */
1689 	qed_link_update(hwfn, NULL);
1690 }
1691 
1692 void qed_iov_vf_task(struct work_struct *work)
1693 {
1694 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1695 					     iov_task.work);
1696 	u8 change = 0;
1697 
1698 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1699 		return;
1700 
1701 	/* Handle bulletin board changes */
1702 	qed_vf_read_bulletin(hwfn, &change);
1703 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1704 			       &hwfn->iov_task_flags))
1705 		change = 1;
1706 	if (change)
1707 		qed_handle_bulletin_change(hwfn);
1708 
1709 	/* As VF is polling bulletin board, need to constantly re-schedule */
1710 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1711 }
1712