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 static 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 	u8 retry_cnt = VF_ACQUIRE_THRESH;
265 	bool resources_acquired = false;
266 	struct vfpf_acquire_tlv *req;
267 	int rc = 0, attempts = 0;
268 
269 	/* clear mailbox and prep first tlv */
270 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
271 	p_resc = &req->resc_request;
272 
273 	/* starting filling the request */
274 	req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
275 
276 	p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
277 	p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
278 	p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
279 	p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
280 	p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
281 	p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
282 
283 	req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
284 	req->vfdev_info.fw_major = FW_MAJOR_VERSION;
285 	req->vfdev_info.fw_minor = FW_MINOR_VERSION;
286 	req->vfdev_info.fw_revision = FW_REVISION_VERSION;
287 	req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
288 	req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
289 	req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
290 
291 	/* Fill capability field with any non-deprecated config we support */
292 	req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
293 
294 	/* If we've mapped the doorbell bar, try using queue qids */
295 	if (p_iov->b_doorbell_bar) {
296 		req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
297 						VFPF_ACQUIRE_CAP_QUEUE_QIDS;
298 		p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
299 	}
300 
301 	/* pf 2 vf bulletin board address */
302 	req->bulletin_addr = p_iov->bulletin.phys;
303 	req->bulletin_size = p_iov->bulletin.size;
304 
305 	/* add list termination tlv */
306 	qed_add_tlv(p_hwfn, &p_iov->offset,
307 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
308 
309 	while (!resources_acquired) {
310 		DP_VERBOSE(p_hwfn,
311 			   QED_MSG_IOV, "attempting to acquire resources\n");
312 
313 		/* Clear response buffer, as this might be a re-send */
314 		memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
315 
316 		/* send acquire request */
317 		rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
318 
319 		/* Re-try acquire in case of vf-pf hw channel timeout */
320 		if (retry_cnt && rc == -EBUSY) {
321 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
322 				   "VF retrying to acquire due to VPC timeout\n");
323 			retry_cnt--;
324 			continue;
325 		}
326 
327 		if (rc)
328 			goto exit;
329 
330 		/* copy acquire response from buffer to p_hwfn */
331 		memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
332 
333 		attempts++;
334 
335 		if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
336 			/* PF agrees to allocate our resources */
337 			if (!(resp->pfdev_info.capabilities &
338 			      PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
339 				/* It's possible legacy PF mistakenly accepted;
340 				 * but we don't care - simply mark it as
341 				 * legacy and continue.
342 				 */
343 				req->vfdev_info.capabilities |=
344 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
345 			}
346 			DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
347 			resources_acquired = true;
348 		} else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
349 			   attempts < VF_ACQUIRE_THRESH) {
350 			qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
351 						      &resp->resc);
352 		} else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
353 			if (pfdev_info->major_fp_hsi &&
354 			    (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
355 				DP_NOTICE(p_hwfn,
356 					  "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
357 					  pfdev_info->major_fp_hsi,
358 					  pfdev_info->minor_fp_hsi,
359 					  ETH_HSI_VER_MAJOR,
360 					  ETH_HSI_VER_MINOR,
361 					  pfdev_info->major_fp_hsi);
362 				rc = -EINVAL;
363 				goto exit;
364 			}
365 
366 			if (!pfdev_info->major_fp_hsi) {
367 				if (req->vfdev_info.capabilities &
368 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
369 					DP_NOTICE(p_hwfn,
370 						  "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
371 					rc = -EINVAL;
372 					goto exit;
373 				} else {
374 					DP_INFO(p_hwfn,
375 						"PF is old - try re-acquire to see if it supports FW-version override\n");
376 					req->vfdev_info.capabilities |=
377 					    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
378 					continue;
379 				}
380 			}
381 
382 			/* If PF/VF are using same Major, PF must have had
383 			 * it's reasons. Simply fail.
384 			 */
385 			DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
386 			rc = -EINVAL;
387 			goto exit;
388 		} else {
389 			DP_ERR(p_hwfn,
390 			       "PF returned error %d to VF acquisition request\n",
391 			       resp->hdr.status);
392 			rc = -EAGAIN;
393 			goto exit;
394 		}
395 	}
396 
397 	/* Mark the PF as legacy, if needed */
398 	if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
399 		p_iov->b_pre_fp_hsi = true;
400 
401 	/* In case PF doesn't support multi-queue Tx, update the number of
402 	 * CIDs to reflect the number of queues [older PFs didn't fill that
403 	 * field].
404 	 */
405 	if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
406 		resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
407 
408 	/* Update bulletin board size with response from PF */
409 	p_iov->bulletin.size = resp->bulletin_size;
410 
411 	/* get HW info */
412 	p_hwfn->cdev->type = resp->pfdev_info.dev_type;
413 	p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
414 
415 	p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
416 
417 	/* Learn of the possibility of CMT */
418 	if (IS_LEAD_HWFN(p_hwfn)) {
419 		if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
420 			DP_NOTICE(p_hwfn, "100g VF\n");
421 			p_hwfn->cdev->num_hwfns = 2;
422 		}
423 	}
424 
425 	if (!p_iov->b_pre_fp_hsi &&
426 	    (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
427 		DP_INFO(p_hwfn,
428 			"PF is using older fastpath HSI; %02x.%02x is configured\n",
429 			ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
430 	}
431 
432 exit:
433 	qed_vf_pf_req_end(p_hwfn, rc);
434 
435 	return rc;
436 }
437 
438 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
439 {
440 	u32 bar_size;
441 
442 	/* Regview size is fixed */
443 	if (bar_id == BAR_ID_0)
444 		return 1 << 17;
445 
446 	/* Doorbell is received from PF */
447 	bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
448 	if (bar_size)
449 		return 1 << bar_size;
450 	return 0;
451 }
452 
453 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
454 {
455 	struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
456 	struct qed_vf_iov *p_iov;
457 	u32 reg;
458 	int rc;
459 
460 	/* Set number of hwfns - might be overriden once leading hwfn learns
461 	 * actual configuration from PF.
462 	 */
463 	if (IS_LEAD_HWFN(p_hwfn))
464 		p_hwfn->cdev->num_hwfns = 1;
465 
466 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
467 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
468 
469 	reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
470 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
471 
472 	/* Allocate vf sriov info */
473 	p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
474 	if (!p_iov)
475 		return -ENOMEM;
476 
477 	/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
478 	 * value, but there are several incompatibily scenarios where that
479 	 * would be incorrect and we'd need to override it.
480 	 */
481 	if (!p_hwfn->doorbells) {
482 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
483 						  PXP_VF_BAR0_START_DQ;
484 	} else if (p_hwfn == p_lead) {
485 		/* For leading hw-function, value is always correct, but need
486 		 * to handle scenario where legacy PF would not support 100g
487 		 * mapped bars later.
488 		 */
489 		p_iov->b_doorbell_bar = true;
490 	} else {
491 		/* here, value would be correct ONLY if the leading hwfn
492 		 * received indication that mapped-bars are supported.
493 		 */
494 		if (p_lead->vf_iov_info->b_doorbell_bar)
495 			p_iov->b_doorbell_bar = true;
496 		else
497 			p_hwfn->doorbells = (u8 __iomem *)
498 			    p_hwfn->regview + PXP_VF_BAR0_START_DQ;
499 	}
500 
501 	/* Allocate vf2pf msg */
502 	p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
503 						  sizeof(union vfpf_tlvs),
504 						  &p_iov->vf2pf_request_phys,
505 						  GFP_KERNEL);
506 	if (!p_iov->vf2pf_request)
507 		goto free_p_iov;
508 
509 	p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
510 						sizeof(union pfvf_tlvs),
511 						&p_iov->pf2vf_reply_phys,
512 						GFP_KERNEL);
513 	if (!p_iov->pf2vf_reply)
514 		goto free_vf2pf_request;
515 
516 	DP_VERBOSE(p_hwfn,
517 		   QED_MSG_IOV,
518 		   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
519 		   p_iov->vf2pf_request,
520 		   (u64) p_iov->vf2pf_request_phys,
521 		   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
522 
523 	/* Allocate Bulletin board */
524 	p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
525 	p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
526 						    p_iov->bulletin.size,
527 						    &p_iov->bulletin.phys,
528 						    GFP_KERNEL);
529 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
530 		   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
531 		   p_iov->bulletin.p_virt,
532 		   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
533 
534 	mutex_init(&p_iov->mutex);
535 
536 	p_hwfn->vf_iov_info = p_iov;
537 
538 	p_hwfn->hw_info.personality = QED_PCI_ETH;
539 
540 	rc = qed_vf_pf_acquire(p_hwfn);
541 
542 	/* If VF is 100g using a mapped bar and PF is too old to support that,
543 	 * acquisition would succeed - but the VF would have no way knowing
544 	 * the size of the doorbell bar configured in HW and thus will not
545 	 * know how to split it for 2nd hw-function.
546 	 * In this case we re-try without the indication of the mapped
547 	 * doorbell.
548 	 */
549 	if (!rc && p_iov->b_doorbell_bar &&
550 	    !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
551 	    (p_hwfn->cdev->num_hwfns > 1)) {
552 		rc = _qed_vf_pf_release(p_hwfn, false);
553 		if (rc)
554 			return rc;
555 
556 		p_iov->b_doorbell_bar = false;
557 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
558 						  PXP_VF_BAR0_START_DQ;
559 		rc = qed_vf_pf_acquire(p_hwfn);
560 	}
561 
562 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
563 		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
564 		   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
565 
566 	return rc;
567 
568 free_vf2pf_request:
569 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
570 			  sizeof(union vfpf_tlvs),
571 			  p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
572 free_p_iov:
573 	kfree(p_iov);
574 
575 	return -ENOMEM;
576 }
577 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
578 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
579 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
580 
581 static void
582 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
583 			   struct qed_tunn_update_type *p_src,
584 			   enum qed_tunn_mode mask, u8 *p_cls)
585 {
586 	if (p_src->b_update_mode) {
587 		p_req->tun_mode_update_mask |= BIT(mask);
588 
589 		if (p_src->b_mode_enabled)
590 			p_req->tunn_mode |= BIT(mask);
591 	}
592 
593 	*p_cls = p_src->tun_cls;
594 }
595 
596 static void
597 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
598 			 struct qed_tunn_update_type *p_src,
599 			 enum qed_tunn_mode mask,
600 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
601 			 u8 *p_update_port, u16 *p_udp_port)
602 {
603 	if (p_port->b_update_port) {
604 		*p_update_port = 1;
605 		*p_udp_port = p_port->port;
606 	}
607 
608 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
609 }
610 
611 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
612 {
613 	if (p_tun->vxlan.b_mode_enabled)
614 		p_tun->vxlan.b_update_mode = true;
615 	if (p_tun->l2_geneve.b_mode_enabled)
616 		p_tun->l2_geneve.b_update_mode = true;
617 	if (p_tun->ip_geneve.b_mode_enabled)
618 		p_tun->ip_geneve.b_update_mode = true;
619 	if (p_tun->l2_gre.b_mode_enabled)
620 		p_tun->l2_gre.b_update_mode = true;
621 	if (p_tun->ip_gre.b_mode_enabled)
622 		p_tun->ip_gre.b_update_mode = true;
623 
624 	p_tun->b_update_rx_cls = true;
625 	p_tun->b_update_tx_cls = true;
626 }
627 
628 static void
629 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
630 			   u16 feature_mask, u8 tunn_mode,
631 			   u8 tunn_cls, enum qed_tunn_mode val)
632 {
633 	if (feature_mask & BIT(val)) {
634 		p_tun->b_mode_enabled = tunn_mode;
635 		p_tun->tun_cls = tunn_cls;
636 	} else {
637 		p_tun->b_mode_enabled = false;
638 	}
639 }
640 
641 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
642 				     struct qed_tunnel_info *p_tun,
643 				     struct pfvf_update_tunn_param_tlv *p_resp)
644 {
645 	/* Update mode and classes provided by PF */
646 	u16 feat_mask = p_resp->tunn_feature_mask;
647 
648 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
649 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
650 				   QED_MODE_VXLAN_TUNN);
651 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
652 				   p_resp->l2geneve_mode,
653 				   p_resp->l2geneve_clss,
654 				   QED_MODE_L2GENEVE_TUNN);
655 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
656 				   p_resp->ipgeneve_mode,
657 				   p_resp->ipgeneve_clss,
658 				   QED_MODE_IPGENEVE_TUNN);
659 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
660 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
661 				   QED_MODE_L2GRE_TUNN);
662 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
663 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
664 				   QED_MODE_IPGRE_TUNN);
665 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
666 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
667 
668 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
669 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
670 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
671 		   p_tun->ip_geneve.b_mode_enabled,
672 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
673 }
674 
675 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
676 				  struct qed_tunnel_info *p_src)
677 {
678 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
679 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
680 	struct pfvf_update_tunn_param_tlv *p_resp;
681 	struct vfpf_update_tunn_param_tlv *p_req;
682 	int rc;
683 
684 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
685 			       sizeof(*p_req));
686 
687 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
688 		p_req->update_tun_cls = 1;
689 
690 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
691 				 &p_req->vxlan_clss, &p_src->vxlan_port,
692 				 &p_req->update_vxlan_port,
693 				 &p_req->vxlan_port);
694 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
695 				 QED_MODE_L2GENEVE_TUNN,
696 				 &p_req->l2geneve_clss, &p_src->geneve_port,
697 				 &p_req->update_geneve_port,
698 				 &p_req->geneve_port);
699 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
700 				   QED_MODE_IPGENEVE_TUNN,
701 				   &p_req->ipgeneve_clss);
702 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
703 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
704 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
705 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
706 
707 	/* add list termination tlv */
708 	qed_add_tlv(p_hwfn, &p_iov->offset,
709 		    CHANNEL_TLV_LIST_END,
710 		    sizeof(struct channel_list_end_tlv));
711 
712 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
713 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
714 
715 	if (rc)
716 		goto exit;
717 
718 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
719 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
720 			   "Failed to update tunnel parameters\n");
721 		rc = -EINVAL;
722 	}
723 
724 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
725 exit:
726 	qed_vf_pf_req_end(p_hwfn, rc);
727 	return rc;
728 }
729 
730 int
731 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
732 		    struct qed_queue_cid *p_cid,
733 		    u16 bd_max_bytes,
734 		    dma_addr_t bd_chain_phys_addr,
735 		    dma_addr_t cqe_pbl_addr,
736 		    u16 cqe_pbl_size, void __iomem **pp_prod)
737 {
738 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
739 	struct pfvf_start_queue_resp_tlv *resp;
740 	struct vfpf_start_rxq_tlv *req;
741 	u8 rx_qid = p_cid->rel.queue_id;
742 	int rc;
743 
744 	/* clear mailbox and prep first tlv */
745 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
746 
747 	req->rx_qid = rx_qid;
748 	req->cqe_pbl_addr = cqe_pbl_addr;
749 	req->cqe_pbl_size = cqe_pbl_size;
750 	req->rxq_addr = bd_chain_phys_addr;
751 	req->hw_sb = p_cid->sb_igu_id;
752 	req->sb_index = p_cid->sb_idx;
753 	req->bd_max_bytes = bd_max_bytes;
754 	req->stat_id = -1;
755 
756 	/* If PF is legacy, we'll need to calculate producers ourselves
757 	 * as well as clean them.
758 	 */
759 	if (p_iov->b_pre_fp_hsi) {
760 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
761 		u32 init_prod_val = 0;
762 
763 		*pp_prod = (u8 __iomem *)
764 		    p_hwfn->regview +
765 		    MSTORM_QZONE_START(p_hwfn->cdev) +
766 		    hw_qid * MSTORM_QZONE_SIZE;
767 
768 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
769 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
770 				  (u32 *)(&init_prod_val));
771 	}
772 
773 	qed_vf_pf_add_qid(p_hwfn, p_cid);
774 
775 	/* add list termination tlv */
776 	qed_add_tlv(p_hwfn, &p_iov->offset,
777 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
778 
779 	resp = &p_iov->pf2vf_reply->queue_start;
780 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
781 	if (rc)
782 		goto exit;
783 
784 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
785 		rc = -EINVAL;
786 		goto exit;
787 	}
788 
789 	/* Learn the address of the producer from the response */
790 	if (!p_iov->b_pre_fp_hsi) {
791 		u32 init_prod_val = 0;
792 
793 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
794 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
795 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
796 			   rx_qid, *pp_prod, resp->offset);
797 
798 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
799 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
800 				  (u32 *)&init_prod_val);
801 	}
802 exit:
803 	qed_vf_pf_req_end(p_hwfn, rc);
804 
805 	return rc;
806 }
807 
808 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
809 		       struct qed_queue_cid *p_cid, bool cqe_completion)
810 {
811 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
812 	struct vfpf_stop_rxqs_tlv *req;
813 	struct pfvf_def_resp_tlv *resp;
814 	int rc;
815 
816 	/* clear mailbox and prep first tlv */
817 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
818 
819 	req->rx_qid = p_cid->rel.queue_id;
820 	req->num_rxqs = 1;
821 	req->cqe_completion = cqe_completion;
822 
823 	qed_vf_pf_add_qid(p_hwfn, p_cid);
824 
825 	/* add list termination tlv */
826 	qed_add_tlv(p_hwfn, &p_iov->offset,
827 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
828 
829 	resp = &p_iov->pf2vf_reply->default_resp;
830 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
831 	if (rc)
832 		goto exit;
833 
834 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
835 		rc = -EINVAL;
836 		goto exit;
837 	}
838 
839 exit:
840 	qed_vf_pf_req_end(p_hwfn, rc);
841 
842 	return rc;
843 }
844 
845 int
846 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
847 		    struct qed_queue_cid *p_cid,
848 		    dma_addr_t pbl_addr,
849 		    u16 pbl_size, void __iomem **pp_doorbell)
850 {
851 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
852 	struct pfvf_start_queue_resp_tlv *resp;
853 	struct vfpf_start_txq_tlv *req;
854 	u16 qid = p_cid->rel.queue_id;
855 	int rc;
856 
857 	/* clear mailbox and prep first tlv */
858 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
859 
860 	req->tx_qid = qid;
861 
862 	/* Tx */
863 	req->pbl_addr = pbl_addr;
864 	req->pbl_size = pbl_size;
865 	req->hw_sb = p_cid->sb_igu_id;
866 	req->sb_index = p_cid->sb_idx;
867 
868 	qed_vf_pf_add_qid(p_hwfn, p_cid);
869 
870 	/* add list termination tlv */
871 	qed_add_tlv(p_hwfn, &p_iov->offset,
872 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
873 
874 	resp = &p_iov->pf2vf_reply->queue_start;
875 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
876 	if (rc)
877 		goto exit;
878 
879 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
880 		rc = -EINVAL;
881 		goto exit;
882 	}
883 
884 	/* Modern PFs provide the actual offsets, while legacy
885 	 * provided only the queue id.
886 	 */
887 	if (!p_iov->b_pre_fp_hsi) {
888 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
889 	} else {
890 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
891 
892 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
893 					     qed_db_addr_vf(cid,
894 							    DQ_DEMS_LEGACY);
895 	}
896 
897 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
898 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
899 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
900 exit:
901 	qed_vf_pf_req_end(p_hwfn, rc);
902 
903 	return rc;
904 }
905 
906 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
907 {
908 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
909 	struct vfpf_stop_txqs_tlv *req;
910 	struct pfvf_def_resp_tlv *resp;
911 	int rc;
912 
913 	/* clear mailbox and prep first tlv */
914 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
915 
916 	req->tx_qid = p_cid->rel.queue_id;
917 	req->num_txqs = 1;
918 
919 	qed_vf_pf_add_qid(p_hwfn, p_cid);
920 
921 	/* add list termination tlv */
922 	qed_add_tlv(p_hwfn, &p_iov->offset,
923 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
924 
925 	resp = &p_iov->pf2vf_reply->default_resp;
926 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
927 	if (rc)
928 		goto exit;
929 
930 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
931 		rc = -EINVAL;
932 		goto exit;
933 	}
934 
935 exit:
936 	qed_vf_pf_req_end(p_hwfn, rc);
937 
938 	return rc;
939 }
940 
941 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
942 			  u8 vport_id,
943 			  u16 mtu,
944 			  u8 inner_vlan_removal,
945 			  enum qed_tpa_mode tpa_mode,
946 			  u8 max_buffers_per_cqe, u8 only_untagged)
947 {
948 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
949 	struct vfpf_vport_start_tlv *req;
950 	struct pfvf_def_resp_tlv *resp;
951 	int rc, i;
952 
953 	/* clear mailbox and prep first tlv */
954 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
955 
956 	req->mtu = mtu;
957 	req->vport_id = vport_id;
958 	req->inner_vlan_removal = inner_vlan_removal;
959 	req->tpa_mode = tpa_mode;
960 	req->max_buffers_per_cqe = max_buffers_per_cqe;
961 	req->only_untagged = only_untagged;
962 
963 	/* status blocks */
964 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
965 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
966 
967 		if (p_sb)
968 			req->sb_addr[i] = p_sb->sb_phys;
969 	}
970 
971 	/* add list termination tlv */
972 	qed_add_tlv(p_hwfn, &p_iov->offset,
973 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
974 
975 	resp = &p_iov->pf2vf_reply->default_resp;
976 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
977 	if (rc)
978 		goto exit;
979 
980 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
981 		rc = -EINVAL;
982 		goto exit;
983 	}
984 
985 exit:
986 	qed_vf_pf_req_end(p_hwfn, rc);
987 
988 	return rc;
989 }
990 
991 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
992 {
993 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
994 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
995 	int rc;
996 
997 	/* clear mailbox and prep first tlv */
998 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
999 		       sizeof(struct vfpf_first_tlv));
1000 
1001 	/* add list termination tlv */
1002 	qed_add_tlv(p_hwfn, &p_iov->offset,
1003 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1004 
1005 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1006 	if (rc)
1007 		goto exit;
1008 
1009 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1010 		rc = -EINVAL;
1011 		goto exit;
1012 	}
1013 
1014 exit:
1015 	qed_vf_pf_req_end(p_hwfn, rc);
1016 
1017 	return rc;
1018 }
1019 
1020 static bool
1021 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1022 				  struct qed_sp_vport_update_params *p_data,
1023 				  u16 tlv)
1024 {
1025 	switch (tlv) {
1026 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1027 		return !!(p_data->update_vport_active_rx_flg ||
1028 			  p_data->update_vport_active_tx_flg);
1029 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1030 		return !!p_data->update_tx_switching_flg;
1031 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1032 		return !!p_data->update_inner_vlan_removal_flg;
1033 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1034 		return !!p_data->update_accept_any_vlan_flg;
1035 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1036 		return !!p_data->update_approx_mcast_flg;
1037 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1038 		return !!(p_data->accept_flags.update_rx_mode_config ||
1039 			  p_data->accept_flags.update_tx_mode_config);
1040 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
1041 		return !!p_data->rss_params;
1042 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1043 		return !!p_data->sge_tpa_params;
1044 	default:
1045 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1046 			tlv);
1047 		return false;
1048 	}
1049 }
1050 
1051 static void
1052 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1053 				  struct qed_sp_vport_update_params *p_data)
1054 {
1055 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1056 	struct pfvf_def_resp_tlv *p_resp;
1057 	u16 tlv;
1058 
1059 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1060 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1061 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1062 			continue;
1063 
1064 		p_resp = (struct pfvf_def_resp_tlv *)
1065 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1066 						  tlv);
1067 		if (p_resp && p_resp->hdr.status)
1068 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1069 				   "TLV[%d] Configuration %s\n",
1070 				   tlv,
1071 				   (p_resp && p_resp->hdr.status) ? "succeeded"
1072 								  : "failed");
1073 	}
1074 }
1075 
1076 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1077 			   struct qed_sp_vport_update_params *p_params)
1078 {
1079 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1080 	struct vfpf_vport_update_tlv *req;
1081 	struct pfvf_def_resp_tlv *resp;
1082 	u8 update_rx, update_tx;
1083 	u32 resp_size = 0;
1084 	u16 size, tlv;
1085 	int rc;
1086 
1087 	resp = &p_iov->pf2vf_reply->default_resp;
1088 	resp_size = sizeof(*resp);
1089 
1090 	update_rx = p_params->update_vport_active_rx_flg;
1091 	update_tx = p_params->update_vport_active_tx_flg;
1092 
1093 	/* clear mailbox and prep header tlv */
1094 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1095 
1096 	/* Prepare extended tlvs */
1097 	if (update_rx || update_tx) {
1098 		struct vfpf_vport_update_activate_tlv *p_act_tlv;
1099 
1100 		size = sizeof(struct vfpf_vport_update_activate_tlv);
1101 		p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1102 					CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1103 					size);
1104 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1105 
1106 		if (update_rx) {
1107 			p_act_tlv->update_rx = update_rx;
1108 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1109 		}
1110 
1111 		if (update_tx) {
1112 			p_act_tlv->update_tx = update_tx;
1113 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1114 		}
1115 	}
1116 
1117 	if (p_params->update_tx_switching_flg) {
1118 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1119 
1120 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1121 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1122 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1123 					      tlv, size);
1124 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1125 
1126 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1127 	}
1128 
1129 	if (p_params->update_approx_mcast_flg) {
1130 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1131 
1132 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1133 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1134 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1135 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1136 
1137 		memcpy(p_mcast_tlv->bins, p_params->bins,
1138 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1139 	}
1140 
1141 	update_rx = p_params->accept_flags.update_rx_mode_config;
1142 	update_tx = p_params->accept_flags.update_tx_mode_config;
1143 
1144 	if (update_rx || update_tx) {
1145 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1146 
1147 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1148 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1149 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1150 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1151 
1152 		if (update_rx) {
1153 			p_accept_tlv->update_rx_mode = update_rx;
1154 			p_accept_tlv->rx_accept_filter =
1155 			    p_params->accept_flags.rx_accept_filter;
1156 		}
1157 
1158 		if (update_tx) {
1159 			p_accept_tlv->update_tx_mode = update_tx;
1160 			p_accept_tlv->tx_accept_filter =
1161 			    p_params->accept_flags.tx_accept_filter;
1162 		}
1163 	}
1164 
1165 	if (p_params->rss_params) {
1166 		struct qed_rss_params *rss_params = p_params->rss_params;
1167 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1168 		int i, table_size;
1169 
1170 		size = sizeof(struct vfpf_vport_update_rss_tlv);
1171 		p_rss_tlv = qed_add_tlv(p_hwfn,
1172 					&p_iov->offset,
1173 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1174 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1175 
1176 		if (rss_params->update_rss_config)
1177 			p_rss_tlv->update_rss_flags |=
1178 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
1179 		if (rss_params->update_rss_capabilities)
1180 			p_rss_tlv->update_rss_flags |=
1181 			    VFPF_UPDATE_RSS_CAPS_FLAG;
1182 		if (rss_params->update_rss_ind_table)
1183 			p_rss_tlv->update_rss_flags |=
1184 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1185 		if (rss_params->update_rss_key)
1186 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1187 
1188 		p_rss_tlv->rss_enable = rss_params->rss_enable;
1189 		p_rss_tlv->rss_caps = rss_params->rss_caps;
1190 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1191 
1192 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1193 				   1 << p_rss_tlv->rss_table_size_log);
1194 		for (i = 0; i < table_size; i++) {
1195 			struct qed_queue_cid *p_queue;
1196 
1197 			p_queue = rss_params->rss_ind_table[i];
1198 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1199 		}
1200 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1201 		       sizeof(rss_params->rss_key));
1202 	}
1203 
1204 	if (p_params->update_accept_any_vlan_flg) {
1205 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1206 
1207 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1208 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1209 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1210 
1211 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1212 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1213 		p_any_vlan_tlv->update_accept_any_vlan_flg =
1214 		    p_params->update_accept_any_vlan_flg;
1215 	}
1216 
1217 	/* add list termination tlv */
1218 	qed_add_tlv(p_hwfn, &p_iov->offset,
1219 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1220 
1221 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1222 	if (rc)
1223 		goto exit;
1224 
1225 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1226 		rc = -EINVAL;
1227 		goto exit;
1228 	}
1229 
1230 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1231 
1232 exit:
1233 	qed_vf_pf_req_end(p_hwfn, rc);
1234 
1235 	return rc;
1236 }
1237 
1238 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1239 {
1240 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1241 	struct pfvf_def_resp_tlv *resp;
1242 	struct vfpf_first_tlv *req;
1243 	int rc;
1244 
1245 	/* clear mailbox and prep first tlv */
1246 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1247 
1248 	/* add list termination tlv */
1249 	qed_add_tlv(p_hwfn, &p_iov->offset,
1250 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1251 
1252 	resp = &p_iov->pf2vf_reply->default_resp;
1253 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1254 	if (rc)
1255 		goto exit;
1256 
1257 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1258 		rc = -EAGAIN;
1259 		goto exit;
1260 	}
1261 
1262 	p_hwfn->b_int_enabled = 0;
1263 
1264 exit:
1265 	qed_vf_pf_req_end(p_hwfn, rc);
1266 
1267 	return rc;
1268 }
1269 
1270 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1271 			    struct qed_filter_mcast *p_filter_cmd)
1272 {
1273 	struct qed_sp_vport_update_params sp_params;
1274 	int i;
1275 
1276 	memset(&sp_params, 0, sizeof(sp_params));
1277 	sp_params.update_approx_mcast_flg = 1;
1278 
1279 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1280 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1281 			u32 bit;
1282 
1283 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1284 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
1285 		}
1286 	}
1287 
1288 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
1289 }
1290 
1291 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1292 			   struct qed_filter_ucast *p_ucast)
1293 {
1294 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1295 	struct vfpf_ucast_filter_tlv *req;
1296 	struct pfvf_def_resp_tlv *resp;
1297 	int rc;
1298 
1299 	/* clear mailbox and prep first tlv */
1300 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1301 	req->opcode = (u8) p_ucast->opcode;
1302 	req->type = (u8) p_ucast->type;
1303 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1304 	req->vlan = p_ucast->vlan;
1305 
1306 	/* add list termination tlv */
1307 	qed_add_tlv(p_hwfn, &p_iov->offset,
1308 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1309 
1310 	resp = &p_iov->pf2vf_reply->default_resp;
1311 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1312 	if (rc)
1313 		goto exit;
1314 
1315 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1316 		rc = -EAGAIN;
1317 		goto exit;
1318 	}
1319 
1320 exit:
1321 	qed_vf_pf_req_end(p_hwfn, rc);
1322 
1323 	return rc;
1324 }
1325 
1326 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1327 {
1328 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1329 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1330 	int rc;
1331 
1332 	/* clear mailbox and prep first tlv */
1333 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1334 		       sizeof(struct vfpf_first_tlv));
1335 
1336 	/* add list termination tlv */
1337 	qed_add_tlv(p_hwfn, &p_iov->offset,
1338 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1339 
1340 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1341 	if (rc)
1342 		goto exit;
1343 
1344 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1345 		rc = -EINVAL;
1346 		goto exit;
1347 	}
1348 
1349 exit:
1350 	qed_vf_pf_req_end(p_hwfn, rc);
1351 
1352 	return rc;
1353 }
1354 
1355 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1356 			   u16 *p_coal, struct qed_queue_cid *p_cid)
1357 {
1358 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1359 	struct pfvf_read_coal_resp_tlv *resp;
1360 	struct vfpf_read_coal_req_tlv *req;
1361 	int rc;
1362 
1363 	/* clear mailbox and prep header tlv */
1364 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1365 	req->qid = p_cid->rel.queue_id;
1366 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
1367 
1368 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1369 		    sizeof(struct channel_list_end_tlv));
1370 	resp = &p_iov->pf2vf_reply->read_coal_resp;
1371 
1372 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1373 	if (rc)
1374 		goto exit;
1375 
1376 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1377 		goto exit;
1378 
1379 	*p_coal = resp->coal;
1380 exit:
1381 	qed_vf_pf_req_end(p_hwfn, rc);
1382 
1383 	return rc;
1384 }
1385 
1386 int
1387 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1388 			      u8 *p_mac)
1389 {
1390 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1391 	struct vfpf_bulletin_update_mac_tlv *p_req;
1392 	struct pfvf_def_resp_tlv *p_resp;
1393 	int rc;
1394 
1395 	if (!p_mac)
1396 		return -EINVAL;
1397 
1398 	/* clear mailbox and prep header tlv */
1399 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1400 			       sizeof(*p_req));
1401 	ether_addr_copy(p_req->mac, p_mac);
1402 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1403 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1404 
1405 	/* add list termination tlv */
1406 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1407 		    sizeof(struct channel_list_end_tlv));
1408 
1409 	p_resp = &p_iov->pf2vf_reply->default_resp;
1410 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1411 	qed_vf_pf_req_end(p_hwfn, rc);
1412 	return rc;
1413 }
1414 
1415 int
1416 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1417 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1418 {
1419 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1420 	struct vfpf_update_coalesce *req;
1421 	struct pfvf_def_resp_tlv *resp;
1422 	int rc;
1423 
1424 	/* clear mailbox and prep header tlv */
1425 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1426 
1427 	req->rx_coal = rx_coal;
1428 	req->tx_coal = tx_coal;
1429 	req->qid = p_cid->rel.queue_id;
1430 
1431 	DP_VERBOSE(p_hwfn,
1432 		   QED_MSG_IOV,
1433 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1434 		   rx_coal, tx_coal, req->qid);
1435 
1436 	/* add list termination tlv */
1437 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1438 		    sizeof(struct channel_list_end_tlv));
1439 
1440 	resp = &p_iov->pf2vf_reply->default_resp;
1441 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1442 	if (rc)
1443 		goto exit;
1444 
1445 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1446 		goto exit;
1447 
1448 	if (rx_coal)
1449 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1450 
1451 	if (tx_coal)
1452 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1453 
1454 exit:
1455 	qed_vf_pf_req_end(p_hwfn, rc);
1456 	return rc;
1457 }
1458 
1459 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
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 0;
1466 	}
1467 
1468 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1469 }
1470 
1471 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1472 			u16 sb_id, struct qed_sb_info *p_sb)
1473 {
1474 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1475 
1476 	if (!p_iov) {
1477 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1478 		return;
1479 	}
1480 
1481 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1482 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1483 		return;
1484 	}
1485 
1486 	p_iov->sbs_info[sb_id] = p_sb;
1487 }
1488 
1489 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1490 {
1491 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1492 	struct qed_bulletin_content shadow;
1493 	u32 crc, crc_size;
1494 
1495 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1496 	*p_change = 0;
1497 
1498 	/* Need to guarantee PF is not in the middle of writing it */
1499 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1500 
1501 	/* If version did not update, no need to do anything */
1502 	if (shadow.version == p_iov->bulletin_shadow.version)
1503 		return 0;
1504 
1505 	/* Verify the bulletin we see is valid */
1506 	crc = crc32(0, (u8 *)&shadow + crc_size,
1507 		    p_iov->bulletin.size - crc_size);
1508 	if (crc != shadow.crc)
1509 		return -EAGAIN;
1510 
1511 	/* Set the shadow bulletin and process it */
1512 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1513 
1514 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1515 		   "Read a bulletin update %08x\n", shadow.version);
1516 
1517 	*p_change = 1;
1518 
1519 	return 0;
1520 }
1521 
1522 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1523 			      struct qed_mcp_link_params *p_params,
1524 			      struct qed_bulletin_content *p_bulletin)
1525 {
1526 	memset(p_params, 0, sizeof(*p_params));
1527 
1528 	p_params->speed.autoneg = p_bulletin->req_autoneg;
1529 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1530 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1531 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1532 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1533 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1534 	p_params->loopback_mode = p_bulletin->req_loopback;
1535 }
1536 
1537 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1538 			    struct qed_mcp_link_params *params)
1539 {
1540 	__qed_vf_get_link_params(p_hwfn, params,
1541 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
1542 }
1543 
1544 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1545 			     struct qed_mcp_link_state *p_link,
1546 			     struct qed_bulletin_content *p_bulletin)
1547 {
1548 	memset(p_link, 0, sizeof(*p_link));
1549 
1550 	p_link->link_up = p_bulletin->link_up;
1551 	p_link->speed = p_bulletin->speed;
1552 	p_link->full_duplex = p_bulletin->full_duplex;
1553 	p_link->an = p_bulletin->autoneg;
1554 	p_link->an_complete = p_bulletin->autoneg_complete;
1555 	p_link->parallel_detection = p_bulletin->parallel_detection;
1556 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
1557 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1558 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1559 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1560 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1561 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1562 }
1563 
1564 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1565 			   struct qed_mcp_link_state *link)
1566 {
1567 	__qed_vf_get_link_state(p_hwfn, link,
1568 				&(p_hwfn->vf_iov_info->bulletin_shadow));
1569 }
1570 
1571 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1572 			    struct qed_mcp_link_capabilities *p_link_caps,
1573 			    struct qed_bulletin_content *p_bulletin)
1574 {
1575 	memset(p_link_caps, 0, sizeof(*p_link_caps));
1576 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1577 }
1578 
1579 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1580 			  struct qed_mcp_link_capabilities *p_link_caps)
1581 {
1582 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
1583 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
1584 }
1585 
1586 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1587 {
1588 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1589 }
1590 
1591 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1592 {
1593 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1594 }
1595 
1596 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1597 {
1598 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1599 }
1600 
1601 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1602 {
1603 	memcpy(port_mac,
1604 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1605 }
1606 
1607 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1608 {
1609 	struct qed_vf_iov *p_vf;
1610 
1611 	p_vf = p_hwfn->vf_iov_info;
1612 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1613 }
1614 
1615 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1616 {
1617 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1618 
1619 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1620 }
1621 
1622 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1623 {
1624 	struct qed_bulletin_content *bulletin;
1625 
1626 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1627 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1628 		return true;
1629 
1630 	/* Forbid VF from changing a MAC enforced by PF */
1631 	if (ether_addr_equal(bulletin->mac, mac))
1632 		return false;
1633 
1634 	return false;
1635 }
1636 
1637 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1638 					   u8 *dst_mac, u8 *p_is_forced)
1639 {
1640 	struct qed_bulletin_content *bulletin;
1641 
1642 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1643 
1644 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1645 		if (p_is_forced)
1646 			*p_is_forced = 1;
1647 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1648 		if (p_is_forced)
1649 			*p_is_forced = 0;
1650 	} else {
1651 		return false;
1652 	}
1653 
1654 	ether_addr_copy(dst_mac, bulletin->mac);
1655 
1656 	return true;
1657 }
1658 
1659 static void
1660 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1661 			      u16 *p_vxlan_port, u16 *p_geneve_port)
1662 {
1663 	struct qed_bulletin_content *p_bulletin;
1664 
1665 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1666 
1667 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
1668 	*p_geneve_port = p_bulletin->geneve_udp_port;
1669 }
1670 
1671 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1672 			   u16 *fw_major, u16 *fw_minor,
1673 			   u16 *fw_rev, u16 *fw_eng)
1674 {
1675 	struct pf_vf_pfdev_info *info;
1676 
1677 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1678 
1679 	*fw_major = info->fw_major;
1680 	*fw_minor = info->fw_minor;
1681 	*fw_rev = info->fw_rev;
1682 	*fw_eng = info->fw_eng;
1683 }
1684 
1685 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1686 {
1687 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1688 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1689 	void *cookie = hwfn->cdev->ops_cookie;
1690 	u16 vxlan_port, geneve_port;
1691 
1692 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1693 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1694 						      &is_mac_forced);
1695 	if (is_mac_exist && cookie)
1696 		ops->force_mac(cookie, mac, !!is_mac_forced);
1697 
1698 	ops->ports_update(cookie, vxlan_port, geneve_port);
1699 
1700 	/* Always update link configuration according to bulletin */
1701 	qed_link_update(hwfn, NULL);
1702 }
1703 
1704 void qed_iov_vf_task(struct work_struct *work)
1705 {
1706 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1707 					     iov_task.work);
1708 	u8 change = 0;
1709 
1710 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1711 		return;
1712 
1713 	/* Handle bulletin board changes */
1714 	qed_vf_read_bulletin(hwfn, &change);
1715 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1716 			       &hwfn->iov_task_flags))
1717 		change = 1;
1718 	if (change)
1719 		qed_handle_bulletin_change(hwfn);
1720 
1721 	/* As VF is polling bulletin board, need to constantly re-schedule */
1722 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1723 }
1724