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 Requst 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 overriden 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 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
565 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
566 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
567 
568 static void
569 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
570 			   struct qed_tunn_update_type *p_src,
571 			   enum qed_tunn_mode mask, u8 *p_cls)
572 {
573 	if (p_src->b_update_mode) {
574 		p_req->tun_mode_update_mask |= BIT(mask);
575 
576 		if (p_src->b_mode_enabled)
577 			p_req->tunn_mode |= BIT(mask);
578 	}
579 
580 	*p_cls = p_src->tun_cls;
581 }
582 
583 static void
584 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
585 			 struct qed_tunn_update_type *p_src,
586 			 enum qed_tunn_mode mask,
587 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
588 			 u8 *p_update_port, u16 *p_udp_port)
589 {
590 	if (p_port->b_update_port) {
591 		*p_update_port = 1;
592 		*p_udp_port = p_port->port;
593 	}
594 
595 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
596 }
597 
598 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
599 {
600 	if (p_tun->vxlan.b_mode_enabled)
601 		p_tun->vxlan.b_update_mode = true;
602 	if (p_tun->l2_geneve.b_mode_enabled)
603 		p_tun->l2_geneve.b_update_mode = true;
604 	if (p_tun->ip_geneve.b_mode_enabled)
605 		p_tun->ip_geneve.b_update_mode = true;
606 	if (p_tun->l2_gre.b_mode_enabled)
607 		p_tun->l2_gre.b_update_mode = true;
608 	if (p_tun->ip_gre.b_mode_enabled)
609 		p_tun->ip_gre.b_update_mode = true;
610 
611 	p_tun->b_update_rx_cls = true;
612 	p_tun->b_update_tx_cls = true;
613 }
614 
615 static void
616 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
617 			   u16 feature_mask, u8 tunn_mode,
618 			   u8 tunn_cls, enum qed_tunn_mode val)
619 {
620 	if (feature_mask & BIT(val)) {
621 		p_tun->b_mode_enabled = tunn_mode;
622 		p_tun->tun_cls = tunn_cls;
623 	} else {
624 		p_tun->b_mode_enabled = false;
625 	}
626 }
627 
628 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
629 				     struct qed_tunnel_info *p_tun,
630 				     struct pfvf_update_tunn_param_tlv *p_resp)
631 {
632 	/* Update mode and classes provided by PF */
633 	u16 feat_mask = p_resp->tunn_feature_mask;
634 
635 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
636 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
637 				   QED_MODE_VXLAN_TUNN);
638 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
639 				   p_resp->l2geneve_mode,
640 				   p_resp->l2geneve_clss,
641 				   QED_MODE_L2GENEVE_TUNN);
642 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
643 				   p_resp->ipgeneve_mode,
644 				   p_resp->ipgeneve_clss,
645 				   QED_MODE_IPGENEVE_TUNN);
646 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
647 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
648 				   QED_MODE_L2GRE_TUNN);
649 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
650 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
651 				   QED_MODE_IPGRE_TUNN);
652 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
653 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
654 
655 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
656 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
657 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
658 		   p_tun->ip_geneve.b_mode_enabled,
659 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
660 }
661 
662 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
663 				  struct qed_tunnel_info *p_src)
664 {
665 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
666 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
667 	struct pfvf_update_tunn_param_tlv *p_resp;
668 	struct vfpf_update_tunn_param_tlv *p_req;
669 	int rc;
670 
671 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
672 			       sizeof(*p_req));
673 
674 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
675 		p_req->update_tun_cls = 1;
676 
677 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
678 				 &p_req->vxlan_clss, &p_src->vxlan_port,
679 				 &p_req->update_vxlan_port,
680 				 &p_req->vxlan_port);
681 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
682 				 QED_MODE_L2GENEVE_TUNN,
683 				 &p_req->l2geneve_clss, &p_src->geneve_port,
684 				 &p_req->update_geneve_port,
685 				 &p_req->geneve_port);
686 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
687 				   QED_MODE_IPGENEVE_TUNN,
688 				   &p_req->ipgeneve_clss);
689 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
690 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
691 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
692 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
693 
694 	/* add list termination tlv */
695 	qed_add_tlv(p_hwfn, &p_iov->offset,
696 		    CHANNEL_TLV_LIST_END,
697 		    sizeof(struct channel_list_end_tlv));
698 
699 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
700 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
701 
702 	if (rc)
703 		goto exit;
704 
705 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
706 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
707 			   "Failed to update tunnel parameters\n");
708 		rc = -EINVAL;
709 	}
710 
711 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
712 exit:
713 	qed_vf_pf_req_end(p_hwfn, rc);
714 	return rc;
715 }
716 
717 int
718 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
719 		    struct qed_queue_cid *p_cid,
720 		    u16 bd_max_bytes,
721 		    dma_addr_t bd_chain_phys_addr,
722 		    dma_addr_t cqe_pbl_addr,
723 		    u16 cqe_pbl_size, void __iomem **pp_prod)
724 {
725 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
726 	struct pfvf_start_queue_resp_tlv *resp;
727 	struct vfpf_start_rxq_tlv *req;
728 	u8 rx_qid = p_cid->rel.queue_id;
729 	int rc;
730 
731 	/* clear mailbox and prep first tlv */
732 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
733 
734 	req->rx_qid = rx_qid;
735 	req->cqe_pbl_addr = cqe_pbl_addr;
736 	req->cqe_pbl_size = cqe_pbl_size;
737 	req->rxq_addr = bd_chain_phys_addr;
738 	req->hw_sb = p_cid->sb_igu_id;
739 	req->sb_index = p_cid->sb_idx;
740 	req->bd_max_bytes = bd_max_bytes;
741 	req->stat_id = -1;
742 
743 	/* If PF is legacy, we'll need to calculate producers ourselves
744 	 * as well as clean them.
745 	 */
746 	if (p_iov->b_pre_fp_hsi) {
747 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
748 		u32 init_prod_val = 0;
749 
750 		*pp_prod = (u8 __iomem *)
751 		    p_hwfn->regview +
752 		    MSTORM_QZONE_START(p_hwfn->cdev) +
753 		    hw_qid * MSTORM_QZONE_SIZE;
754 
755 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
756 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
757 				  (u32 *)(&init_prod_val));
758 	}
759 
760 	qed_vf_pf_add_qid(p_hwfn, p_cid);
761 
762 	/* add list termination tlv */
763 	qed_add_tlv(p_hwfn, &p_iov->offset,
764 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
765 
766 	resp = &p_iov->pf2vf_reply->queue_start;
767 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
768 	if (rc)
769 		goto exit;
770 
771 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
772 		rc = -EINVAL;
773 		goto exit;
774 	}
775 
776 	/* Learn the address of the producer from the response */
777 	if (!p_iov->b_pre_fp_hsi) {
778 		u32 init_prod_val = 0;
779 
780 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
781 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
782 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
783 			   rx_qid, *pp_prod, resp->offset);
784 
785 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
786 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
787 				  (u32 *)&init_prod_val);
788 	}
789 exit:
790 	qed_vf_pf_req_end(p_hwfn, rc);
791 
792 	return rc;
793 }
794 
795 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
796 		       struct qed_queue_cid *p_cid, bool cqe_completion)
797 {
798 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
799 	struct vfpf_stop_rxqs_tlv *req;
800 	struct pfvf_def_resp_tlv *resp;
801 	int rc;
802 
803 	/* clear mailbox and prep first tlv */
804 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
805 
806 	req->rx_qid = p_cid->rel.queue_id;
807 	req->num_rxqs = 1;
808 	req->cqe_completion = cqe_completion;
809 
810 	qed_vf_pf_add_qid(p_hwfn, p_cid);
811 
812 	/* add list termination tlv */
813 	qed_add_tlv(p_hwfn, &p_iov->offset,
814 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
815 
816 	resp = &p_iov->pf2vf_reply->default_resp;
817 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
818 	if (rc)
819 		goto exit;
820 
821 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
822 		rc = -EINVAL;
823 		goto exit;
824 	}
825 
826 exit:
827 	qed_vf_pf_req_end(p_hwfn, rc);
828 
829 	return rc;
830 }
831 
832 int
833 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
834 		    struct qed_queue_cid *p_cid,
835 		    dma_addr_t pbl_addr,
836 		    u16 pbl_size, void __iomem **pp_doorbell)
837 {
838 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
839 	struct pfvf_start_queue_resp_tlv *resp;
840 	struct vfpf_start_txq_tlv *req;
841 	u16 qid = p_cid->rel.queue_id;
842 	int rc;
843 
844 	/* clear mailbox and prep first tlv */
845 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
846 
847 	req->tx_qid = qid;
848 
849 	/* Tx */
850 	req->pbl_addr = pbl_addr;
851 	req->pbl_size = pbl_size;
852 	req->hw_sb = p_cid->sb_igu_id;
853 	req->sb_index = p_cid->sb_idx;
854 
855 	qed_vf_pf_add_qid(p_hwfn, p_cid);
856 
857 	/* add list termination tlv */
858 	qed_add_tlv(p_hwfn, &p_iov->offset,
859 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
860 
861 	resp = &p_iov->pf2vf_reply->queue_start;
862 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
863 	if (rc)
864 		goto exit;
865 
866 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
867 		rc = -EINVAL;
868 		goto exit;
869 	}
870 
871 	/* Modern PFs provide the actual offsets, while legacy
872 	 * provided only the queue id.
873 	 */
874 	if (!p_iov->b_pre_fp_hsi) {
875 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
876 	} else {
877 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
878 
879 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
880 					     qed_db_addr_vf(cid,
881 							    DQ_DEMS_LEGACY);
882 	}
883 
884 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
885 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
886 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
887 exit:
888 	qed_vf_pf_req_end(p_hwfn, rc);
889 
890 	return rc;
891 }
892 
893 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
894 {
895 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
896 	struct vfpf_stop_txqs_tlv *req;
897 	struct pfvf_def_resp_tlv *resp;
898 	int rc;
899 
900 	/* clear mailbox and prep first tlv */
901 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
902 
903 	req->tx_qid = p_cid->rel.queue_id;
904 	req->num_txqs = 1;
905 
906 	qed_vf_pf_add_qid(p_hwfn, p_cid);
907 
908 	/* add list termination tlv */
909 	qed_add_tlv(p_hwfn, &p_iov->offset,
910 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
911 
912 	resp = &p_iov->pf2vf_reply->default_resp;
913 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
914 	if (rc)
915 		goto exit;
916 
917 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
918 		rc = -EINVAL;
919 		goto exit;
920 	}
921 
922 exit:
923 	qed_vf_pf_req_end(p_hwfn, rc);
924 
925 	return rc;
926 }
927 
928 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
929 			  u8 vport_id,
930 			  u16 mtu,
931 			  u8 inner_vlan_removal,
932 			  enum qed_tpa_mode tpa_mode,
933 			  u8 max_buffers_per_cqe, u8 only_untagged)
934 {
935 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
936 	struct vfpf_vport_start_tlv *req;
937 	struct pfvf_def_resp_tlv *resp;
938 	int rc, i;
939 
940 	/* clear mailbox and prep first tlv */
941 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
942 
943 	req->mtu = mtu;
944 	req->vport_id = vport_id;
945 	req->inner_vlan_removal = inner_vlan_removal;
946 	req->tpa_mode = tpa_mode;
947 	req->max_buffers_per_cqe = max_buffers_per_cqe;
948 	req->only_untagged = only_untagged;
949 
950 	/* status blocks */
951 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
952 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
953 
954 		if (p_sb)
955 			req->sb_addr[i] = p_sb->sb_phys;
956 	}
957 
958 	/* add list termination tlv */
959 	qed_add_tlv(p_hwfn, &p_iov->offset,
960 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
961 
962 	resp = &p_iov->pf2vf_reply->default_resp;
963 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
964 	if (rc)
965 		goto exit;
966 
967 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
968 		rc = -EINVAL;
969 		goto exit;
970 	}
971 
972 exit:
973 	qed_vf_pf_req_end(p_hwfn, rc);
974 
975 	return rc;
976 }
977 
978 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
979 {
980 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
981 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
982 	int rc;
983 
984 	/* clear mailbox and prep first tlv */
985 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
986 		       sizeof(struct vfpf_first_tlv));
987 
988 	/* add list termination tlv */
989 	qed_add_tlv(p_hwfn, &p_iov->offset,
990 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
991 
992 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
993 	if (rc)
994 		goto exit;
995 
996 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
997 		rc = -EINVAL;
998 		goto exit;
999 	}
1000 
1001 exit:
1002 	qed_vf_pf_req_end(p_hwfn, rc);
1003 
1004 	return rc;
1005 }
1006 
1007 static bool
1008 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1009 				  struct qed_sp_vport_update_params *p_data,
1010 				  u16 tlv)
1011 {
1012 	switch (tlv) {
1013 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1014 		return !!(p_data->update_vport_active_rx_flg ||
1015 			  p_data->update_vport_active_tx_flg);
1016 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1017 		return !!p_data->update_tx_switching_flg;
1018 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1019 		return !!p_data->update_inner_vlan_removal_flg;
1020 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1021 		return !!p_data->update_accept_any_vlan_flg;
1022 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1023 		return !!p_data->update_approx_mcast_flg;
1024 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1025 		return !!(p_data->accept_flags.update_rx_mode_config ||
1026 			  p_data->accept_flags.update_tx_mode_config);
1027 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
1028 		return !!p_data->rss_params;
1029 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1030 		return !!p_data->sge_tpa_params;
1031 	default:
1032 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1033 			tlv);
1034 		return false;
1035 	}
1036 }
1037 
1038 static void
1039 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1040 				  struct qed_sp_vport_update_params *p_data)
1041 {
1042 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1043 	struct pfvf_def_resp_tlv *p_resp;
1044 	u16 tlv;
1045 
1046 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1047 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1048 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1049 			continue;
1050 
1051 		p_resp = (struct pfvf_def_resp_tlv *)
1052 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1053 						  tlv);
1054 		if (p_resp && p_resp->hdr.status)
1055 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1056 				   "TLV[%d] Configuration %s\n",
1057 				   tlv,
1058 				   (p_resp && p_resp->hdr.status) ? "succeeded"
1059 								  : "failed");
1060 	}
1061 }
1062 
1063 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1064 			   struct qed_sp_vport_update_params *p_params)
1065 {
1066 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1067 	struct vfpf_vport_update_tlv *req;
1068 	struct pfvf_def_resp_tlv *resp;
1069 	u8 update_rx, update_tx;
1070 	u32 resp_size = 0;
1071 	u16 size, tlv;
1072 	int rc;
1073 
1074 	resp = &p_iov->pf2vf_reply->default_resp;
1075 	resp_size = sizeof(*resp);
1076 
1077 	update_rx = p_params->update_vport_active_rx_flg;
1078 	update_tx = p_params->update_vport_active_tx_flg;
1079 
1080 	/* clear mailbox and prep header tlv */
1081 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1082 
1083 	/* Prepare extended tlvs */
1084 	if (update_rx || update_tx) {
1085 		struct vfpf_vport_update_activate_tlv *p_act_tlv;
1086 
1087 		size = sizeof(struct vfpf_vport_update_activate_tlv);
1088 		p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1089 					CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1090 					size);
1091 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1092 
1093 		if (update_rx) {
1094 			p_act_tlv->update_rx = update_rx;
1095 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1096 		}
1097 
1098 		if (update_tx) {
1099 			p_act_tlv->update_tx = update_tx;
1100 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1101 		}
1102 	}
1103 
1104 	if (p_params->update_tx_switching_flg) {
1105 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1106 
1107 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1108 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1109 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1110 					      tlv, size);
1111 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1112 
1113 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1114 	}
1115 
1116 	if (p_params->update_approx_mcast_flg) {
1117 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1118 
1119 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1120 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1121 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1122 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1123 
1124 		memcpy(p_mcast_tlv->bins, p_params->bins,
1125 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1126 	}
1127 
1128 	update_rx = p_params->accept_flags.update_rx_mode_config;
1129 	update_tx = p_params->accept_flags.update_tx_mode_config;
1130 
1131 	if (update_rx || update_tx) {
1132 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1133 
1134 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1135 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1136 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1137 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1138 
1139 		if (update_rx) {
1140 			p_accept_tlv->update_rx_mode = update_rx;
1141 			p_accept_tlv->rx_accept_filter =
1142 			    p_params->accept_flags.rx_accept_filter;
1143 		}
1144 
1145 		if (update_tx) {
1146 			p_accept_tlv->update_tx_mode = update_tx;
1147 			p_accept_tlv->tx_accept_filter =
1148 			    p_params->accept_flags.tx_accept_filter;
1149 		}
1150 	}
1151 
1152 	if (p_params->rss_params) {
1153 		struct qed_rss_params *rss_params = p_params->rss_params;
1154 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1155 		int i, table_size;
1156 
1157 		size = sizeof(struct vfpf_vport_update_rss_tlv);
1158 		p_rss_tlv = qed_add_tlv(p_hwfn,
1159 					&p_iov->offset,
1160 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1161 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1162 
1163 		if (rss_params->update_rss_config)
1164 			p_rss_tlv->update_rss_flags |=
1165 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
1166 		if (rss_params->update_rss_capabilities)
1167 			p_rss_tlv->update_rss_flags |=
1168 			    VFPF_UPDATE_RSS_CAPS_FLAG;
1169 		if (rss_params->update_rss_ind_table)
1170 			p_rss_tlv->update_rss_flags |=
1171 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1172 		if (rss_params->update_rss_key)
1173 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1174 
1175 		p_rss_tlv->rss_enable = rss_params->rss_enable;
1176 		p_rss_tlv->rss_caps = rss_params->rss_caps;
1177 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1178 
1179 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1180 				   1 << p_rss_tlv->rss_table_size_log);
1181 		for (i = 0; i < table_size; i++) {
1182 			struct qed_queue_cid *p_queue;
1183 
1184 			p_queue = rss_params->rss_ind_table[i];
1185 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1186 		}
1187 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1188 		       sizeof(rss_params->rss_key));
1189 	}
1190 
1191 	if (p_params->update_accept_any_vlan_flg) {
1192 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1193 
1194 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1195 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1196 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1197 
1198 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1199 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1200 		p_any_vlan_tlv->update_accept_any_vlan_flg =
1201 		    p_params->update_accept_any_vlan_flg;
1202 	}
1203 
1204 	/* add list termination tlv */
1205 	qed_add_tlv(p_hwfn, &p_iov->offset,
1206 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1207 
1208 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1209 	if (rc)
1210 		goto exit;
1211 
1212 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1213 		rc = -EINVAL;
1214 		goto exit;
1215 	}
1216 
1217 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1218 
1219 exit:
1220 	qed_vf_pf_req_end(p_hwfn, rc);
1221 
1222 	return rc;
1223 }
1224 
1225 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1226 {
1227 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1228 	struct pfvf_def_resp_tlv *resp;
1229 	struct vfpf_first_tlv *req;
1230 	int rc;
1231 
1232 	/* clear mailbox and prep first tlv */
1233 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1234 
1235 	/* add list termination tlv */
1236 	qed_add_tlv(p_hwfn, &p_iov->offset,
1237 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1238 
1239 	resp = &p_iov->pf2vf_reply->default_resp;
1240 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1241 	if (rc)
1242 		goto exit;
1243 
1244 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1245 		rc = -EAGAIN;
1246 		goto exit;
1247 	}
1248 
1249 	p_hwfn->b_int_enabled = 0;
1250 
1251 exit:
1252 	qed_vf_pf_req_end(p_hwfn, rc);
1253 
1254 	return rc;
1255 }
1256 
1257 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1258 			    struct qed_filter_mcast *p_filter_cmd)
1259 {
1260 	struct qed_sp_vport_update_params sp_params;
1261 	int i;
1262 
1263 	memset(&sp_params, 0, sizeof(sp_params));
1264 	sp_params.update_approx_mcast_flg = 1;
1265 
1266 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1267 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1268 			u32 bit;
1269 
1270 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1271 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
1272 		}
1273 	}
1274 
1275 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
1276 }
1277 
1278 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1279 			   struct qed_filter_ucast *p_ucast)
1280 {
1281 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1282 	struct vfpf_ucast_filter_tlv *req;
1283 	struct pfvf_def_resp_tlv *resp;
1284 	int rc;
1285 
1286 	/* clear mailbox and prep first tlv */
1287 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1288 	req->opcode = (u8) p_ucast->opcode;
1289 	req->type = (u8) p_ucast->type;
1290 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1291 	req->vlan = p_ucast->vlan;
1292 
1293 	/* add list termination tlv */
1294 	qed_add_tlv(p_hwfn, &p_iov->offset,
1295 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1296 
1297 	resp = &p_iov->pf2vf_reply->default_resp;
1298 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1299 	if (rc)
1300 		goto exit;
1301 
1302 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1303 		rc = -EAGAIN;
1304 		goto exit;
1305 	}
1306 
1307 exit:
1308 	qed_vf_pf_req_end(p_hwfn, rc);
1309 
1310 	return rc;
1311 }
1312 
1313 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1314 {
1315 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1316 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1317 	int rc;
1318 
1319 	/* clear mailbox and prep first tlv */
1320 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1321 		       sizeof(struct vfpf_first_tlv));
1322 
1323 	/* add list termination tlv */
1324 	qed_add_tlv(p_hwfn, &p_iov->offset,
1325 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1326 
1327 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1328 	if (rc)
1329 		goto exit;
1330 
1331 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1332 		rc = -EINVAL;
1333 		goto exit;
1334 	}
1335 
1336 exit:
1337 	qed_vf_pf_req_end(p_hwfn, rc);
1338 
1339 	return rc;
1340 }
1341 
1342 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1343 			   u16 *p_coal, struct qed_queue_cid *p_cid)
1344 {
1345 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1346 	struct pfvf_read_coal_resp_tlv *resp;
1347 	struct vfpf_read_coal_req_tlv *req;
1348 	int rc;
1349 
1350 	/* clear mailbox and prep header tlv */
1351 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1352 	req->qid = p_cid->rel.queue_id;
1353 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
1354 
1355 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1356 		    sizeof(struct channel_list_end_tlv));
1357 	resp = &p_iov->pf2vf_reply->read_coal_resp;
1358 
1359 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1360 	if (rc)
1361 		goto exit;
1362 
1363 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1364 		goto exit;
1365 
1366 	*p_coal = resp->coal;
1367 exit:
1368 	qed_vf_pf_req_end(p_hwfn, rc);
1369 
1370 	return rc;
1371 }
1372 
1373 int
1374 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1375 			      u8 *p_mac)
1376 {
1377 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1378 	struct vfpf_bulletin_update_mac_tlv *p_req;
1379 	struct pfvf_def_resp_tlv *p_resp;
1380 	int rc;
1381 
1382 	if (!p_mac)
1383 		return -EINVAL;
1384 
1385 	/* clear mailbox and prep header tlv */
1386 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1387 			       sizeof(*p_req));
1388 	ether_addr_copy(p_req->mac, p_mac);
1389 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1390 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1391 
1392 	/* add list termination tlv */
1393 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1394 		    sizeof(struct channel_list_end_tlv));
1395 
1396 	p_resp = &p_iov->pf2vf_reply->default_resp;
1397 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1398 	qed_vf_pf_req_end(p_hwfn, rc);
1399 	return rc;
1400 }
1401 
1402 int
1403 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1404 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1405 {
1406 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1407 	struct vfpf_update_coalesce *req;
1408 	struct pfvf_def_resp_tlv *resp;
1409 	int rc;
1410 
1411 	/* clear mailbox and prep header tlv */
1412 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1413 
1414 	req->rx_coal = rx_coal;
1415 	req->tx_coal = tx_coal;
1416 	req->qid = p_cid->rel.queue_id;
1417 
1418 	DP_VERBOSE(p_hwfn,
1419 		   QED_MSG_IOV,
1420 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1421 		   rx_coal, tx_coal, req->qid);
1422 
1423 	/* add list termination tlv */
1424 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1425 		    sizeof(struct channel_list_end_tlv));
1426 
1427 	resp = &p_iov->pf2vf_reply->default_resp;
1428 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1429 	if (rc)
1430 		goto exit;
1431 
1432 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1433 		goto exit;
1434 
1435 	if (rx_coal)
1436 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1437 
1438 	if (tx_coal)
1439 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1440 
1441 exit:
1442 	qed_vf_pf_req_end(p_hwfn, rc);
1443 	return rc;
1444 }
1445 
1446 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1447 {
1448 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1449 
1450 	if (!p_iov) {
1451 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1452 		return 0;
1453 	}
1454 
1455 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1456 }
1457 
1458 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1459 			u16 sb_id, struct qed_sb_info *p_sb)
1460 {
1461 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1462 
1463 	if (!p_iov) {
1464 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1465 		return;
1466 	}
1467 
1468 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1469 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1470 		return;
1471 	}
1472 
1473 	p_iov->sbs_info[sb_id] = p_sb;
1474 }
1475 
1476 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1477 {
1478 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1479 	struct qed_bulletin_content shadow;
1480 	u32 crc, crc_size;
1481 
1482 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1483 	*p_change = 0;
1484 
1485 	/* Need to guarantee PF is not in the middle of writing it */
1486 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1487 
1488 	/* If version did not update, no need to do anything */
1489 	if (shadow.version == p_iov->bulletin_shadow.version)
1490 		return 0;
1491 
1492 	/* Verify the bulletin we see is valid */
1493 	crc = crc32(0, (u8 *)&shadow + crc_size,
1494 		    p_iov->bulletin.size - crc_size);
1495 	if (crc != shadow.crc)
1496 		return -EAGAIN;
1497 
1498 	/* Set the shadow bulletin and process it */
1499 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1500 
1501 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1502 		   "Read a bulletin update %08x\n", shadow.version);
1503 
1504 	*p_change = 1;
1505 
1506 	return 0;
1507 }
1508 
1509 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1510 			      struct qed_mcp_link_params *p_params,
1511 			      struct qed_bulletin_content *p_bulletin)
1512 {
1513 	memset(p_params, 0, sizeof(*p_params));
1514 
1515 	p_params->speed.autoneg = p_bulletin->req_autoneg;
1516 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1517 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1518 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1519 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1520 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1521 	p_params->loopback_mode = p_bulletin->req_loopback;
1522 }
1523 
1524 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1525 			    struct qed_mcp_link_params *params)
1526 {
1527 	__qed_vf_get_link_params(p_hwfn, params,
1528 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
1529 }
1530 
1531 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1532 			     struct qed_mcp_link_state *p_link,
1533 			     struct qed_bulletin_content *p_bulletin)
1534 {
1535 	memset(p_link, 0, sizeof(*p_link));
1536 
1537 	p_link->link_up = p_bulletin->link_up;
1538 	p_link->speed = p_bulletin->speed;
1539 	p_link->full_duplex = p_bulletin->full_duplex;
1540 	p_link->an = p_bulletin->autoneg;
1541 	p_link->an_complete = p_bulletin->autoneg_complete;
1542 	p_link->parallel_detection = p_bulletin->parallel_detection;
1543 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
1544 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1545 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1546 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1547 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1548 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1549 }
1550 
1551 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1552 			   struct qed_mcp_link_state *link)
1553 {
1554 	__qed_vf_get_link_state(p_hwfn, link,
1555 				&(p_hwfn->vf_iov_info->bulletin_shadow));
1556 }
1557 
1558 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1559 			    struct qed_mcp_link_capabilities *p_link_caps,
1560 			    struct qed_bulletin_content *p_bulletin)
1561 {
1562 	memset(p_link_caps, 0, sizeof(*p_link_caps));
1563 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1564 }
1565 
1566 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1567 			  struct qed_mcp_link_capabilities *p_link_caps)
1568 {
1569 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
1570 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
1571 }
1572 
1573 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1574 {
1575 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1576 }
1577 
1578 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1579 {
1580 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1581 }
1582 
1583 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1584 {
1585 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1586 }
1587 
1588 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1589 {
1590 	memcpy(port_mac,
1591 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1592 }
1593 
1594 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1595 {
1596 	struct qed_vf_iov *p_vf;
1597 
1598 	p_vf = p_hwfn->vf_iov_info;
1599 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1600 }
1601 
1602 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1603 {
1604 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1605 
1606 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1607 }
1608 
1609 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1610 {
1611 	struct qed_bulletin_content *bulletin;
1612 
1613 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1614 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1615 		return true;
1616 
1617 	/* Forbid VF from changing a MAC enforced by PF */
1618 	if (ether_addr_equal(bulletin->mac, mac))
1619 		return false;
1620 
1621 	return false;
1622 }
1623 
1624 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1625 					   u8 *dst_mac, u8 *p_is_forced)
1626 {
1627 	struct qed_bulletin_content *bulletin;
1628 
1629 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1630 
1631 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1632 		if (p_is_forced)
1633 			*p_is_forced = 1;
1634 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1635 		if (p_is_forced)
1636 			*p_is_forced = 0;
1637 	} else {
1638 		return false;
1639 	}
1640 
1641 	ether_addr_copy(dst_mac, bulletin->mac);
1642 
1643 	return true;
1644 }
1645 
1646 static void
1647 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1648 			      u16 *p_vxlan_port, u16 *p_geneve_port)
1649 {
1650 	struct qed_bulletin_content *p_bulletin;
1651 
1652 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1653 
1654 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
1655 	*p_geneve_port = p_bulletin->geneve_udp_port;
1656 }
1657 
1658 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1659 			   u16 *fw_major, u16 *fw_minor,
1660 			   u16 *fw_rev, u16 *fw_eng)
1661 {
1662 	struct pf_vf_pfdev_info *info;
1663 
1664 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1665 
1666 	*fw_major = info->fw_major;
1667 	*fw_minor = info->fw_minor;
1668 	*fw_rev = info->fw_rev;
1669 	*fw_eng = info->fw_eng;
1670 }
1671 
1672 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1673 {
1674 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1675 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1676 	void *cookie = hwfn->cdev->ops_cookie;
1677 	u16 vxlan_port, geneve_port;
1678 
1679 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1680 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1681 						      &is_mac_forced);
1682 	if (is_mac_exist && cookie)
1683 		ops->force_mac(cookie, mac, !!is_mac_forced);
1684 
1685 	ops->ports_update(cookie, vxlan_port, geneve_port);
1686 
1687 	/* Always update link configuration according to bulletin */
1688 	qed_link_update(hwfn, NULL);
1689 }
1690 
1691 void qed_iov_vf_task(struct work_struct *work)
1692 {
1693 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1694 					     iov_task.work);
1695 	u8 change = 0;
1696 
1697 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1698 		return;
1699 
1700 	/* Handle bulletin board changes */
1701 	qed_vf_read_bulletin(hwfn, &change);
1702 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1703 			       &hwfn->iov_task_flags))
1704 		change = 1;
1705 	if (change)
1706 		qed_handle_bulletin_change(hwfn);
1707 
1708 	/* As VF is polling bulletin board, need to constantly re-schedule */
1709 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1710 }
1711