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