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 	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 	    (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
417 		DP_INFO(p_hwfn,
418 			"PF is using older fastpath HSI; %02x.%02x is configured\n",
419 			ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
420 	}
421 
422 exit:
423 	qed_vf_pf_req_end(p_hwfn, rc);
424 
425 	return rc;
426 }
427 
428 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
429 {
430 	u32 bar_size;
431 
432 	/* Regview size is fixed */
433 	if (bar_id == BAR_ID_0)
434 		return 1 << 17;
435 
436 	/* Doorbell is received from PF */
437 	bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
438 	if (bar_size)
439 		return 1 << bar_size;
440 	return 0;
441 }
442 
443 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
444 {
445 	struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
446 	struct qed_vf_iov *p_iov;
447 	u32 reg;
448 	int rc;
449 
450 	/* Set number of hwfns - might be overriden once leading hwfn learns
451 	 * actual configuration from PF.
452 	 */
453 	if (IS_LEAD_HWFN(p_hwfn))
454 		p_hwfn->cdev->num_hwfns = 1;
455 
456 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
457 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
458 
459 	reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
460 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
461 
462 	/* Allocate vf sriov info */
463 	p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
464 	if (!p_iov)
465 		return -ENOMEM;
466 
467 	/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
468 	 * value, but there are several incompatibily scenarios where that
469 	 * would be incorrect and we'd need to override it.
470 	 */
471 	if (!p_hwfn->doorbells) {
472 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
473 						  PXP_VF_BAR0_START_DQ;
474 	} else if (p_hwfn == p_lead) {
475 		/* For leading hw-function, value is always correct, but need
476 		 * to handle scenario where legacy PF would not support 100g
477 		 * mapped bars later.
478 		 */
479 		p_iov->b_doorbell_bar = true;
480 	} else {
481 		/* here, value would be correct ONLY if the leading hwfn
482 		 * received indication that mapped-bars are supported.
483 		 */
484 		if (p_lead->vf_iov_info->b_doorbell_bar)
485 			p_iov->b_doorbell_bar = true;
486 		else
487 			p_hwfn->doorbells = (u8 __iomem *)
488 			    p_hwfn->regview + PXP_VF_BAR0_START_DQ;
489 	}
490 
491 	/* Allocate vf2pf msg */
492 	p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
493 						  sizeof(union vfpf_tlvs),
494 						  &p_iov->vf2pf_request_phys,
495 						  GFP_KERNEL);
496 	if (!p_iov->vf2pf_request)
497 		goto free_p_iov;
498 
499 	p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
500 						sizeof(union pfvf_tlvs),
501 						&p_iov->pf2vf_reply_phys,
502 						GFP_KERNEL);
503 	if (!p_iov->pf2vf_reply)
504 		goto free_vf2pf_request;
505 
506 	DP_VERBOSE(p_hwfn,
507 		   QED_MSG_IOV,
508 		   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
509 		   p_iov->vf2pf_request,
510 		   (u64) p_iov->vf2pf_request_phys,
511 		   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
512 
513 	/* Allocate Bulletin board */
514 	p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
515 	p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
516 						    p_iov->bulletin.size,
517 						    &p_iov->bulletin.phys,
518 						    GFP_KERNEL);
519 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
520 		   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
521 		   p_iov->bulletin.p_virt,
522 		   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
523 
524 	mutex_init(&p_iov->mutex);
525 
526 	p_hwfn->vf_iov_info = p_iov;
527 
528 	p_hwfn->hw_info.personality = QED_PCI_ETH;
529 
530 	rc = qed_vf_pf_acquire(p_hwfn);
531 
532 	/* If VF is 100g using a mapped bar and PF is too old to support that,
533 	 * acquisition would succeed - but the VF would have no way knowing
534 	 * the size of the doorbell bar configured in HW and thus will not
535 	 * know how to split it for 2nd hw-function.
536 	 * In this case we re-try without the indication of the mapped
537 	 * doorbell.
538 	 */
539 	if (!rc && p_iov->b_doorbell_bar &&
540 	    !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
541 	    (p_hwfn->cdev->num_hwfns > 1)) {
542 		rc = _qed_vf_pf_release(p_hwfn, false);
543 		if (rc)
544 			return rc;
545 
546 		p_iov->b_doorbell_bar = false;
547 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
548 						  PXP_VF_BAR0_START_DQ;
549 		rc = qed_vf_pf_acquire(p_hwfn);
550 	}
551 
552 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
553 		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
554 		   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
555 
556 	return rc;
557 
558 free_vf2pf_request:
559 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
560 			  sizeof(union vfpf_tlvs),
561 			  p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
562 free_p_iov:
563 	kfree(p_iov);
564 
565 	return -ENOMEM;
566 }
567 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
568 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
569 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
570 
571 static void
572 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
573 			   struct qed_tunn_update_type *p_src,
574 			   enum qed_tunn_mode mask, u8 *p_cls)
575 {
576 	if (p_src->b_update_mode) {
577 		p_req->tun_mode_update_mask |= BIT(mask);
578 
579 		if (p_src->b_mode_enabled)
580 			p_req->tunn_mode |= BIT(mask);
581 	}
582 
583 	*p_cls = p_src->tun_cls;
584 }
585 
586 static void
587 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
588 			 struct qed_tunn_update_type *p_src,
589 			 enum qed_tunn_mode mask,
590 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
591 			 u8 *p_update_port, u16 *p_udp_port)
592 {
593 	if (p_port->b_update_port) {
594 		*p_update_port = 1;
595 		*p_udp_port = p_port->port;
596 	}
597 
598 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
599 }
600 
601 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
602 {
603 	if (p_tun->vxlan.b_mode_enabled)
604 		p_tun->vxlan.b_update_mode = true;
605 	if (p_tun->l2_geneve.b_mode_enabled)
606 		p_tun->l2_geneve.b_update_mode = true;
607 	if (p_tun->ip_geneve.b_mode_enabled)
608 		p_tun->ip_geneve.b_update_mode = true;
609 	if (p_tun->l2_gre.b_mode_enabled)
610 		p_tun->l2_gre.b_update_mode = true;
611 	if (p_tun->ip_gre.b_mode_enabled)
612 		p_tun->ip_gre.b_update_mode = true;
613 
614 	p_tun->b_update_rx_cls = true;
615 	p_tun->b_update_tx_cls = true;
616 }
617 
618 static void
619 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
620 			   u16 feature_mask, u8 tunn_mode,
621 			   u8 tunn_cls, enum qed_tunn_mode val)
622 {
623 	if (feature_mask & BIT(val)) {
624 		p_tun->b_mode_enabled = tunn_mode;
625 		p_tun->tun_cls = tunn_cls;
626 	} else {
627 		p_tun->b_mode_enabled = false;
628 	}
629 }
630 
631 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
632 				     struct qed_tunnel_info *p_tun,
633 				     struct pfvf_update_tunn_param_tlv *p_resp)
634 {
635 	/* Update mode and classes provided by PF */
636 	u16 feat_mask = p_resp->tunn_feature_mask;
637 
638 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
639 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
640 				   QED_MODE_VXLAN_TUNN);
641 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
642 				   p_resp->l2geneve_mode,
643 				   p_resp->l2geneve_clss,
644 				   QED_MODE_L2GENEVE_TUNN);
645 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
646 				   p_resp->ipgeneve_mode,
647 				   p_resp->ipgeneve_clss,
648 				   QED_MODE_IPGENEVE_TUNN);
649 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
650 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
651 				   QED_MODE_L2GRE_TUNN);
652 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
653 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
654 				   QED_MODE_IPGRE_TUNN);
655 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
656 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
657 
658 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
659 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
660 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
661 		   p_tun->ip_geneve.b_mode_enabled,
662 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
663 }
664 
665 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
666 				  struct qed_tunnel_info *p_src)
667 {
668 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
669 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
670 	struct pfvf_update_tunn_param_tlv *p_resp;
671 	struct vfpf_update_tunn_param_tlv *p_req;
672 	int rc;
673 
674 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
675 			       sizeof(*p_req));
676 
677 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
678 		p_req->update_tun_cls = 1;
679 
680 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
681 				 &p_req->vxlan_clss, &p_src->vxlan_port,
682 				 &p_req->update_vxlan_port,
683 				 &p_req->vxlan_port);
684 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
685 				 QED_MODE_L2GENEVE_TUNN,
686 				 &p_req->l2geneve_clss, &p_src->geneve_port,
687 				 &p_req->update_geneve_port,
688 				 &p_req->geneve_port);
689 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
690 				   QED_MODE_IPGENEVE_TUNN,
691 				   &p_req->ipgeneve_clss);
692 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
693 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
694 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
695 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
696 
697 	/* add list termination tlv */
698 	qed_add_tlv(p_hwfn, &p_iov->offset,
699 		    CHANNEL_TLV_LIST_END,
700 		    sizeof(struct channel_list_end_tlv));
701 
702 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
703 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
704 
705 	if (rc)
706 		goto exit;
707 
708 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
709 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
710 			   "Failed to update tunnel parameters\n");
711 		rc = -EINVAL;
712 	}
713 
714 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
715 exit:
716 	qed_vf_pf_req_end(p_hwfn, rc);
717 	return rc;
718 }
719 
720 int
721 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
722 		    struct qed_queue_cid *p_cid,
723 		    u16 bd_max_bytes,
724 		    dma_addr_t bd_chain_phys_addr,
725 		    dma_addr_t cqe_pbl_addr,
726 		    u16 cqe_pbl_size, void __iomem **pp_prod)
727 {
728 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
729 	struct pfvf_start_queue_resp_tlv *resp;
730 	struct vfpf_start_rxq_tlv *req;
731 	u8 rx_qid = p_cid->rel.queue_id;
732 	int rc;
733 
734 	/* clear mailbox and prep first tlv */
735 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
736 
737 	req->rx_qid = rx_qid;
738 	req->cqe_pbl_addr = cqe_pbl_addr;
739 	req->cqe_pbl_size = cqe_pbl_size;
740 	req->rxq_addr = bd_chain_phys_addr;
741 	req->hw_sb = p_cid->sb_igu_id;
742 	req->sb_index = p_cid->sb_idx;
743 	req->bd_max_bytes = bd_max_bytes;
744 	req->stat_id = -1;
745 
746 	/* If PF is legacy, we'll need to calculate producers ourselves
747 	 * as well as clean them.
748 	 */
749 	if (p_iov->b_pre_fp_hsi) {
750 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
751 		u32 init_prod_val = 0;
752 
753 		*pp_prod = (u8 __iomem *)
754 		    p_hwfn->regview +
755 		    MSTORM_QZONE_START(p_hwfn->cdev) +
756 		    hw_qid * MSTORM_QZONE_SIZE;
757 
758 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
759 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
760 				  (u32 *)(&init_prod_val));
761 	}
762 
763 	qed_vf_pf_add_qid(p_hwfn, p_cid);
764 
765 	/* add list termination tlv */
766 	qed_add_tlv(p_hwfn, &p_iov->offset,
767 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
768 
769 	resp = &p_iov->pf2vf_reply->queue_start;
770 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
771 	if (rc)
772 		goto exit;
773 
774 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
775 		rc = -EINVAL;
776 		goto exit;
777 	}
778 
779 	/* Learn the address of the producer from the response */
780 	if (!p_iov->b_pre_fp_hsi) {
781 		u32 init_prod_val = 0;
782 
783 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
784 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
785 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
786 			   rx_qid, *pp_prod, resp->offset);
787 
788 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
789 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
790 				  (u32 *)&init_prod_val);
791 	}
792 exit:
793 	qed_vf_pf_req_end(p_hwfn, rc);
794 
795 	return rc;
796 }
797 
798 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
799 		       struct qed_queue_cid *p_cid, bool cqe_completion)
800 {
801 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
802 	struct vfpf_stop_rxqs_tlv *req;
803 	struct pfvf_def_resp_tlv *resp;
804 	int rc;
805 
806 	/* clear mailbox and prep first tlv */
807 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
808 
809 	req->rx_qid = p_cid->rel.queue_id;
810 	req->num_rxqs = 1;
811 	req->cqe_completion = cqe_completion;
812 
813 	qed_vf_pf_add_qid(p_hwfn, p_cid);
814 
815 	/* add list termination tlv */
816 	qed_add_tlv(p_hwfn, &p_iov->offset,
817 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
818 
819 	resp = &p_iov->pf2vf_reply->default_resp;
820 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
821 	if (rc)
822 		goto exit;
823 
824 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
825 		rc = -EINVAL;
826 		goto exit;
827 	}
828 
829 exit:
830 	qed_vf_pf_req_end(p_hwfn, rc);
831 
832 	return rc;
833 }
834 
835 int
836 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
837 		    struct qed_queue_cid *p_cid,
838 		    dma_addr_t pbl_addr,
839 		    u16 pbl_size, void __iomem **pp_doorbell)
840 {
841 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
842 	struct pfvf_start_queue_resp_tlv *resp;
843 	struct vfpf_start_txq_tlv *req;
844 	u16 qid = p_cid->rel.queue_id;
845 	int rc;
846 
847 	/* clear mailbox and prep first tlv */
848 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
849 
850 	req->tx_qid = qid;
851 
852 	/* Tx */
853 	req->pbl_addr = pbl_addr;
854 	req->pbl_size = pbl_size;
855 	req->hw_sb = p_cid->sb_igu_id;
856 	req->sb_index = p_cid->sb_idx;
857 
858 	qed_vf_pf_add_qid(p_hwfn, p_cid);
859 
860 	/* add list termination tlv */
861 	qed_add_tlv(p_hwfn, &p_iov->offset,
862 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
863 
864 	resp = &p_iov->pf2vf_reply->queue_start;
865 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
866 	if (rc)
867 		goto exit;
868 
869 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
870 		rc = -EINVAL;
871 		goto exit;
872 	}
873 
874 	/* Modern PFs provide the actual offsets, while legacy
875 	 * provided only the queue id.
876 	 */
877 	if (!p_iov->b_pre_fp_hsi) {
878 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
879 	} else {
880 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
881 
882 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
883 					     qed_db_addr_vf(cid,
884 							    DQ_DEMS_LEGACY);
885 	}
886 
887 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
888 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
889 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
890 exit:
891 	qed_vf_pf_req_end(p_hwfn, rc);
892 
893 	return rc;
894 }
895 
896 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
897 {
898 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
899 	struct vfpf_stop_txqs_tlv *req;
900 	struct pfvf_def_resp_tlv *resp;
901 	int rc;
902 
903 	/* clear mailbox and prep first tlv */
904 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
905 
906 	req->tx_qid = p_cid->rel.queue_id;
907 	req->num_txqs = 1;
908 
909 	qed_vf_pf_add_qid(p_hwfn, p_cid);
910 
911 	/* add list termination tlv */
912 	qed_add_tlv(p_hwfn, &p_iov->offset,
913 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
914 
915 	resp = &p_iov->pf2vf_reply->default_resp;
916 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
917 	if (rc)
918 		goto exit;
919 
920 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
921 		rc = -EINVAL;
922 		goto exit;
923 	}
924 
925 exit:
926 	qed_vf_pf_req_end(p_hwfn, rc);
927 
928 	return rc;
929 }
930 
931 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
932 			  u8 vport_id,
933 			  u16 mtu,
934 			  u8 inner_vlan_removal,
935 			  enum qed_tpa_mode tpa_mode,
936 			  u8 max_buffers_per_cqe, u8 only_untagged)
937 {
938 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
939 	struct vfpf_vport_start_tlv *req;
940 	struct pfvf_def_resp_tlv *resp;
941 	int rc, i;
942 
943 	/* clear mailbox and prep first tlv */
944 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
945 
946 	req->mtu = mtu;
947 	req->vport_id = vport_id;
948 	req->inner_vlan_removal = inner_vlan_removal;
949 	req->tpa_mode = tpa_mode;
950 	req->max_buffers_per_cqe = max_buffers_per_cqe;
951 	req->only_untagged = only_untagged;
952 
953 	/* status blocks */
954 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
955 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
956 
957 		if (p_sb)
958 			req->sb_addr[i] = p_sb->sb_phys;
959 	}
960 
961 	/* add list termination tlv */
962 	qed_add_tlv(p_hwfn, &p_iov->offset,
963 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
964 
965 	resp = &p_iov->pf2vf_reply->default_resp;
966 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
967 	if (rc)
968 		goto exit;
969 
970 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
971 		rc = -EINVAL;
972 		goto exit;
973 	}
974 
975 exit:
976 	qed_vf_pf_req_end(p_hwfn, rc);
977 
978 	return rc;
979 }
980 
981 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
982 {
983 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
984 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
985 	int rc;
986 
987 	/* clear mailbox and prep first tlv */
988 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
989 		       sizeof(struct vfpf_first_tlv));
990 
991 	/* add list termination tlv */
992 	qed_add_tlv(p_hwfn, &p_iov->offset,
993 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
994 
995 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
996 	if (rc)
997 		goto exit;
998 
999 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1000 		rc = -EINVAL;
1001 		goto exit;
1002 	}
1003 
1004 exit:
1005 	qed_vf_pf_req_end(p_hwfn, rc);
1006 
1007 	return rc;
1008 }
1009 
1010 static bool
1011 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1012 				  struct qed_sp_vport_update_params *p_data,
1013 				  u16 tlv)
1014 {
1015 	switch (tlv) {
1016 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1017 		return !!(p_data->update_vport_active_rx_flg ||
1018 			  p_data->update_vport_active_tx_flg);
1019 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1020 		return !!p_data->update_tx_switching_flg;
1021 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1022 		return !!p_data->update_inner_vlan_removal_flg;
1023 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1024 		return !!p_data->update_accept_any_vlan_flg;
1025 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1026 		return !!p_data->update_approx_mcast_flg;
1027 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1028 		return !!(p_data->accept_flags.update_rx_mode_config ||
1029 			  p_data->accept_flags.update_tx_mode_config);
1030 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
1031 		return !!p_data->rss_params;
1032 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1033 		return !!p_data->sge_tpa_params;
1034 	default:
1035 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1036 			tlv);
1037 		return false;
1038 	}
1039 }
1040 
1041 static void
1042 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1043 				  struct qed_sp_vport_update_params *p_data)
1044 {
1045 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1046 	struct pfvf_def_resp_tlv *p_resp;
1047 	u16 tlv;
1048 
1049 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1050 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1051 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1052 			continue;
1053 
1054 		p_resp = (struct pfvf_def_resp_tlv *)
1055 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1056 						  tlv);
1057 		if (p_resp && p_resp->hdr.status)
1058 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1059 				   "TLV[%d] Configuration %s\n",
1060 				   tlv,
1061 				   (p_resp && p_resp->hdr.status) ? "succeeded"
1062 								  : "failed");
1063 	}
1064 }
1065 
1066 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1067 			   struct qed_sp_vport_update_params *p_params)
1068 {
1069 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1070 	struct vfpf_vport_update_tlv *req;
1071 	struct pfvf_def_resp_tlv *resp;
1072 	u8 update_rx, update_tx;
1073 	u32 resp_size = 0;
1074 	u16 size, tlv;
1075 	int rc;
1076 
1077 	resp = &p_iov->pf2vf_reply->default_resp;
1078 	resp_size = sizeof(*resp);
1079 
1080 	update_rx = p_params->update_vport_active_rx_flg;
1081 	update_tx = p_params->update_vport_active_tx_flg;
1082 
1083 	/* clear mailbox and prep header tlv */
1084 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1085 
1086 	/* Prepare extended tlvs */
1087 	if (update_rx || update_tx) {
1088 		struct vfpf_vport_update_activate_tlv *p_act_tlv;
1089 
1090 		size = sizeof(struct vfpf_vport_update_activate_tlv);
1091 		p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1092 					CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1093 					size);
1094 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1095 
1096 		if (update_rx) {
1097 			p_act_tlv->update_rx = update_rx;
1098 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1099 		}
1100 
1101 		if (update_tx) {
1102 			p_act_tlv->update_tx = update_tx;
1103 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1104 		}
1105 	}
1106 
1107 	if (p_params->update_tx_switching_flg) {
1108 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1109 
1110 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1111 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1112 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1113 					      tlv, size);
1114 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1115 
1116 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1117 	}
1118 
1119 	if (p_params->update_approx_mcast_flg) {
1120 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1121 
1122 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1123 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1124 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1125 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1126 
1127 		memcpy(p_mcast_tlv->bins, p_params->bins,
1128 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1129 	}
1130 
1131 	update_rx = p_params->accept_flags.update_rx_mode_config;
1132 	update_tx = p_params->accept_flags.update_tx_mode_config;
1133 
1134 	if (update_rx || update_tx) {
1135 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1136 
1137 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1138 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1139 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1140 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1141 
1142 		if (update_rx) {
1143 			p_accept_tlv->update_rx_mode = update_rx;
1144 			p_accept_tlv->rx_accept_filter =
1145 			    p_params->accept_flags.rx_accept_filter;
1146 		}
1147 
1148 		if (update_tx) {
1149 			p_accept_tlv->update_tx_mode = update_tx;
1150 			p_accept_tlv->tx_accept_filter =
1151 			    p_params->accept_flags.tx_accept_filter;
1152 		}
1153 	}
1154 
1155 	if (p_params->rss_params) {
1156 		struct qed_rss_params *rss_params = p_params->rss_params;
1157 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1158 		int i, table_size;
1159 
1160 		size = sizeof(struct vfpf_vport_update_rss_tlv);
1161 		p_rss_tlv = qed_add_tlv(p_hwfn,
1162 					&p_iov->offset,
1163 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1164 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1165 
1166 		if (rss_params->update_rss_config)
1167 			p_rss_tlv->update_rss_flags |=
1168 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
1169 		if (rss_params->update_rss_capabilities)
1170 			p_rss_tlv->update_rss_flags |=
1171 			    VFPF_UPDATE_RSS_CAPS_FLAG;
1172 		if (rss_params->update_rss_ind_table)
1173 			p_rss_tlv->update_rss_flags |=
1174 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1175 		if (rss_params->update_rss_key)
1176 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1177 
1178 		p_rss_tlv->rss_enable = rss_params->rss_enable;
1179 		p_rss_tlv->rss_caps = rss_params->rss_caps;
1180 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1181 
1182 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1183 				   1 << p_rss_tlv->rss_table_size_log);
1184 		for (i = 0; i < table_size; i++) {
1185 			struct qed_queue_cid *p_queue;
1186 
1187 			p_queue = rss_params->rss_ind_table[i];
1188 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1189 		}
1190 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1191 		       sizeof(rss_params->rss_key));
1192 	}
1193 
1194 	if (p_params->update_accept_any_vlan_flg) {
1195 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1196 
1197 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1198 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1199 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1200 
1201 		resp_size += sizeof(struct pfvf_def_resp_tlv);
1202 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1203 		p_any_vlan_tlv->update_accept_any_vlan_flg =
1204 		    p_params->update_accept_any_vlan_flg;
1205 	}
1206 
1207 	/* add list termination tlv */
1208 	qed_add_tlv(p_hwfn, &p_iov->offset,
1209 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1210 
1211 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1212 	if (rc)
1213 		goto exit;
1214 
1215 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1216 		rc = -EINVAL;
1217 		goto exit;
1218 	}
1219 
1220 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1221 
1222 exit:
1223 	qed_vf_pf_req_end(p_hwfn, rc);
1224 
1225 	return rc;
1226 }
1227 
1228 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1229 {
1230 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1231 	struct pfvf_def_resp_tlv *resp;
1232 	struct vfpf_first_tlv *req;
1233 	int rc;
1234 
1235 	/* clear mailbox and prep first tlv */
1236 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1237 
1238 	/* add list termination tlv */
1239 	qed_add_tlv(p_hwfn, &p_iov->offset,
1240 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1241 
1242 	resp = &p_iov->pf2vf_reply->default_resp;
1243 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1244 	if (rc)
1245 		goto exit;
1246 
1247 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1248 		rc = -EAGAIN;
1249 		goto exit;
1250 	}
1251 
1252 	p_hwfn->b_int_enabled = 0;
1253 
1254 exit:
1255 	qed_vf_pf_req_end(p_hwfn, rc);
1256 
1257 	return rc;
1258 }
1259 
1260 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1261 			    struct qed_filter_mcast *p_filter_cmd)
1262 {
1263 	struct qed_sp_vport_update_params sp_params;
1264 	int i;
1265 
1266 	memset(&sp_params, 0, sizeof(sp_params));
1267 	sp_params.update_approx_mcast_flg = 1;
1268 
1269 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1270 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1271 			u32 bit;
1272 
1273 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1274 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
1275 		}
1276 	}
1277 
1278 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
1279 }
1280 
1281 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1282 			   struct qed_filter_ucast *p_ucast)
1283 {
1284 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1285 	struct vfpf_ucast_filter_tlv *req;
1286 	struct pfvf_def_resp_tlv *resp;
1287 	int rc;
1288 
1289 	/* clear mailbox and prep first tlv */
1290 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1291 	req->opcode = (u8) p_ucast->opcode;
1292 	req->type = (u8) p_ucast->type;
1293 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1294 	req->vlan = p_ucast->vlan;
1295 
1296 	/* add list termination tlv */
1297 	qed_add_tlv(p_hwfn, &p_iov->offset,
1298 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1299 
1300 	resp = &p_iov->pf2vf_reply->default_resp;
1301 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1302 	if (rc)
1303 		goto exit;
1304 
1305 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1306 		rc = -EAGAIN;
1307 		goto exit;
1308 	}
1309 
1310 exit:
1311 	qed_vf_pf_req_end(p_hwfn, rc);
1312 
1313 	return rc;
1314 }
1315 
1316 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1317 {
1318 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1319 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1320 	int rc;
1321 
1322 	/* clear mailbox and prep first tlv */
1323 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1324 		       sizeof(struct vfpf_first_tlv));
1325 
1326 	/* add list termination tlv */
1327 	qed_add_tlv(p_hwfn, &p_iov->offset,
1328 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1329 
1330 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1331 	if (rc)
1332 		goto exit;
1333 
1334 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1335 		rc = -EINVAL;
1336 		goto exit;
1337 	}
1338 
1339 exit:
1340 	qed_vf_pf_req_end(p_hwfn, rc);
1341 
1342 	return rc;
1343 }
1344 
1345 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1346 			   u16 *p_coal, struct qed_queue_cid *p_cid)
1347 {
1348 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1349 	struct pfvf_read_coal_resp_tlv *resp;
1350 	struct vfpf_read_coal_req_tlv *req;
1351 	int rc;
1352 
1353 	/* clear mailbox and prep header tlv */
1354 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1355 	req->qid = p_cid->rel.queue_id;
1356 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
1357 
1358 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1359 		    sizeof(struct channel_list_end_tlv));
1360 	resp = &p_iov->pf2vf_reply->read_coal_resp;
1361 
1362 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1363 	if (rc)
1364 		goto exit;
1365 
1366 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1367 		goto exit;
1368 
1369 	*p_coal = resp->coal;
1370 exit:
1371 	qed_vf_pf_req_end(p_hwfn, rc);
1372 
1373 	return rc;
1374 }
1375 
1376 int
1377 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1378 			      u8 *p_mac)
1379 {
1380 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1381 	struct vfpf_bulletin_update_mac_tlv *p_req;
1382 	struct pfvf_def_resp_tlv *p_resp;
1383 	int rc;
1384 
1385 	if (!p_mac)
1386 		return -EINVAL;
1387 
1388 	/* clear mailbox and prep header tlv */
1389 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1390 			       sizeof(*p_req));
1391 	ether_addr_copy(p_req->mac, p_mac);
1392 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1393 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1394 
1395 	/* add list termination tlv */
1396 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1397 		    sizeof(struct channel_list_end_tlv));
1398 
1399 	p_resp = &p_iov->pf2vf_reply->default_resp;
1400 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1401 	qed_vf_pf_req_end(p_hwfn, rc);
1402 	return rc;
1403 }
1404 
1405 int
1406 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1407 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1408 {
1409 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1410 	struct vfpf_update_coalesce *req;
1411 	struct pfvf_def_resp_tlv *resp;
1412 	int rc;
1413 
1414 	/* clear mailbox and prep header tlv */
1415 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1416 
1417 	req->rx_coal = rx_coal;
1418 	req->tx_coal = tx_coal;
1419 	req->qid = p_cid->rel.queue_id;
1420 
1421 	DP_VERBOSE(p_hwfn,
1422 		   QED_MSG_IOV,
1423 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1424 		   rx_coal, tx_coal, req->qid);
1425 
1426 	/* add list termination tlv */
1427 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1428 		    sizeof(struct channel_list_end_tlv));
1429 
1430 	resp = &p_iov->pf2vf_reply->default_resp;
1431 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1432 	if (rc)
1433 		goto exit;
1434 
1435 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1436 		goto exit;
1437 
1438 	if (rx_coal)
1439 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1440 
1441 	if (tx_coal)
1442 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1443 
1444 exit:
1445 	qed_vf_pf_req_end(p_hwfn, rc);
1446 	return rc;
1447 }
1448 
1449 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1450 {
1451 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1452 
1453 	if (!p_iov) {
1454 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1455 		return 0;
1456 	}
1457 
1458 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1459 }
1460 
1461 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1462 			u16 sb_id, struct qed_sb_info *p_sb)
1463 {
1464 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1465 
1466 	if (!p_iov) {
1467 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1468 		return;
1469 	}
1470 
1471 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1472 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1473 		return;
1474 	}
1475 
1476 	p_iov->sbs_info[sb_id] = p_sb;
1477 }
1478 
1479 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1480 {
1481 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1482 	struct qed_bulletin_content shadow;
1483 	u32 crc, crc_size;
1484 
1485 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1486 	*p_change = 0;
1487 
1488 	/* Need to guarantee PF is not in the middle of writing it */
1489 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1490 
1491 	/* If version did not update, no need to do anything */
1492 	if (shadow.version == p_iov->bulletin_shadow.version)
1493 		return 0;
1494 
1495 	/* Verify the bulletin we see is valid */
1496 	crc = crc32(0, (u8 *)&shadow + crc_size,
1497 		    p_iov->bulletin.size - crc_size);
1498 	if (crc != shadow.crc)
1499 		return -EAGAIN;
1500 
1501 	/* Set the shadow bulletin and process it */
1502 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1503 
1504 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1505 		   "Read a bulletin update %08x\n", shadow.version);
1506 
1507 	*p_change = 1;
1508 
1509 	return 0;
1510 }
1511 
1512 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1513 			      struct qed_mcp_link_params *p_params,
1514 			      struct qed_bulletin_content *p_bulletin)
1515 {
1516 	memset(p_params, 0, sizeof(*p_params));
1517 
1518 	p_params->speed.autoneg = p_bulletin->req_autoneg;
1519 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1520 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1521 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1522 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1523 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1524 	p_params->loopback_mode = p_bulletin->req_loopback;
1525 }
1526 
1527 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1528 			    struct qed_mcp_link_params *params)
1529 {
1530 	__qed_vf_get_link_params(p_hwfn, params,
1531 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
1532 }
1533 
1534 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1535 			     struct qed_mcp_link_state *p_link,
1536 			     struct qed_bulletin_content *p_bulletin)
1537 {
1538 	memset(p_link, 0, sizeof(*p_link));
1539 
1540 	p_link->link_up = p_bulletin->link_up;
1541 	p_link->speed = p_bulletin->speed;
1542 	p_link->full_duplex = p_bulletin->full_duplex;
1543 	p_link->an = p_bulletin->autoneg;
1544 	p_link->an_complete = p_bulletin->autoneg_complete;
1545 	p_link->parallel_detection = p_bulletin->parallel_detection;
1546 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
1547 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1548 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1549 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1550 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1551 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1552 }
1553 
1554 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1555 			   struct qed_mcp_link_state *link)
1556 {
1557 	__qed_vf_get_link_state(p_hwfn, link,
1558 				&(p_hwfn->vf_iov_info->bulletin_shadow));
1559 }
1560 
1561 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1562 			    struct qed_mcp_link_capabilities *p_link_caps,
1563 			    struct qed_bulletin_content *p_bulletin)
1564 {
1565 	memset(p_link_caps, 0, sizeof(*p_link_caps));
1566 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1567 }
1568 
1569 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1570 			  struct qed_mcp_link_capabilities *p_link_caps)
1571 {
1572 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
1573 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
1574 }
1575 
1576 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1577 {
1578 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1579 }
1580 
1581 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1582 {
1583 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1584 }
1585 
1586 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1587 {
1588 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1589 }
1590 
1591 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1592 {
1593 	memcpy(port_mac,
1594 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1595 }
1596 
1597 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1598 {
1599 	struct qed_vf_iov *p_vf;
1600 
1601 	p_vf = p_hwfn->vf_iov_info;
1602 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1603 }
1604 
1605 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1606 {
1607 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1608 
1609 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1610 }
1611 
1612 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1613 {
1614 	struct qed_bulletin_content *bulletin;
1615 
1616 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1617 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1618 		return true;
1619 
1620 	/* Forbid VF from changing a MAC enforced by PF */
1621 	if (ether_addr_equal(bulletin->mac, mac))
1622 		return false;
1623 
1624 	return false;
1625 }
1626 
1627 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1628 					   u8 *dst_mac, u8 *p_is_forced)
1629 {
1630 	struct qed_bulletin_content *bulletin;
1631 
1632 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1633 
1634 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1635 		if (p_is_forced)
1636 			*p_is_forced = 1;
1637 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1638 		if (p_is_forced)
1639 			*p_is_forced = 0;
1640 	} else {
1641 		return false;
1642 	}
1643 
1644 	ether_addr_copy(dst_mac, bulletin->mac);
1645 
1646 	return true;
1647 }
1648 
1649 static void
1650 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1651 			      u16 *p_vxlan_port, u16 *p_geneve_port)
1652 {
1653 	struct qed_bulletin_content *p_bulletin;
1654 
1655 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1656 
1657 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
1658 	*p_geneve_port = p_bulletin->geneve_udp_port;
1659 }
1660 
1661 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1662 			   u16 *fw_major, u16 *fw_minor,
1663 			   u16 *fw_rev, u16 *fw_eng)
1664 {
1665 	struct pf_vf_pfdev_info *info;
1666 
1667 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1668 
1669 	*fw_major = info->fw_major;
1670 	*fw_minor = info->fw_minor;
1671 	*fw_rev = info->fw_rev;
1672 	*fw_eng = info->fw_eng;
1673 }
1674 
1675 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1676 {
1677 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1678 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1679 	void *cookie = hwfn->cdev->ops_cookie;
1680 	u16 vxlan_port, geneve_port;
1681 
1682 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1683 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1684 						      &is_mac_forced);
1685 	if (is_mac_exist && cookie)
1686 		ops->force_mac(cookie, mac, !!is_mac_forced);
1687 
1688 	ops->ports_update(cookie, vxlan_port, geneve_port);
1689 
1690 	/* Always update link configuration according to bulletin */
1691 	qed_link_update(hwfn, NULL);
1692 }
1693 
1694 void qed_iov_vf_task(struct work_struct *work)
1695 {
1696 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1697 					     iov_task.work);
1698 	u8 change = 0;
1699 
1700 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1701 		return;
1702 
1703 	/* Handle bulletin board changes */
1704 	qed_vf_read_bulletin(hwfn, &change);
1705 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1706 			       &hwfn->iov_task_flags))
1707 		change = 1;
1708 	if (change)
1709 		qed_handle_bulletin_change(hwfn);
1710 
1711 	/* As VF is polling bulletin board, need to constantly re-schedule */
1712 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1713 }
1714