1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #include <linux/crc32.h>
8 #include <linux/etherdevice.h>
9 #include "qed.h"
10 #include "qed_sriov.h"
11 #include "qed_vf.h"
12 
13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
14 {
15 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
16 	void *p_tlv;
17 
18 	/* This lock is released when we receive PF's response
19 	 * in qed_send_msg2pf().
20 	 * So, qed_vf_pf_prep() and qed_send_msg2pf()
21 	 * must come in sequence.
22 	 */
23 	mutex_lock(&(p_iov->mutex));
24 
25 	DP_VERBOSE(p_hwfn,
26 		   QED_MSG_IOV,
27 		   "preparing to send 0x%04x tlv over vf pf channel\n",
28 		   type);
29 
30 	/* Reset Request offset */
31 	p_iov->offset = (u8 *)p_iov->vf2pf_request;
32 
33 	/* Clear mailbox - both request and reply */
34 	memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
35 	memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
36 
37 	/* Init type and length */
38 	p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
39 
40 	/* Init first tlv header */
41 	((struct vfpf_first_tlv *)p_tlv)->reply_address =
42 	    (u64)p_iov->pf2vf_reply_phys;
43 
44 	return p_tlv;
45 }
46 
47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
48 {
49 	union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
50 
51 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
52 		   "VF request status = 0x%x, PF reply status = 0x%x\n",
53 		   req_status, resp->default_resp.hdr.status);
54 
55 	mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
56 }
57 
58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS	90
59 #define QED_VF_CHANNEL_USLEEP_DELAY		100
60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS	10
61 #define QED_VF_CHANNEL_MSLEEP_DELAY		25
62 
63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done)
64 {
65 	union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
66 	struct ustorm_trigger_vf_zone trigger;
67 	struct ustorm_vf_zone *zone_data;
68 	int iter, rc = 0;
69 
70 	zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
71 
72 	/* output tlvs list */
73 	qed_dp_tlv_list(p_hwfn, p_req);
74 
75 	/* Send TLVs over HW channel */
76 	memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
77 	trigger.vf_pf_msg_valid = 1;
78 
79 	DP_VERBOSE(p_hwfn,
80 		   QED_MSG_IOV,
81 		   "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
82 		   GET_FIELD(p_hwfn->hw_info.concrete_fid,
83 			     PXP_CONCRETE_FID_PFID),
84 		   upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
85 		   lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
86 		   &zone_data->non_trigger.vf_pf_msg_addr,
87 		   *((u32 *)&trigger), &zone_data->trigger);
88 
89 	REG_WR(p_hwfn,
90 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
91 	       lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
92 
93 	REG_WR(p_hwfn,
94 	       (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
95 	       upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
96 
97 	/* The message data must be written first, to prevent trigger before
98 	 * data is written.
99 	 */
100 	wmb();
101 
102 	REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
103 
104 	/* When PF would be done with the response, it would write back to the
105 	 * `done' address from a coherent DMA zone. Poll until then.
106 	 */
107 
108 	iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
109 	while (!*done && iter--) {
110 		udelay(QED_VF_CHANNEL_USLEEP_DELAY);
111 		dma_rmb();
112 	}
113 
114 	iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
115 	while (!*done && iter--) {
116 		msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
117 		dma_rmb();
118 	}
119 
120 	if (!*done) {
121 		DP_NOTICE(p_hwfn,
122 			  "VF <-- PF Timeout [Type %d]\n",
123 			  p_req->first_tlv.tl.type);
124 		rc = -EBUSY;
125 	} else {
126 		if ((*done != PFVF_STATUS_SUCCESS) &&
127 		    (*done != PFVF_STATUS_NO_RESOURCE))
128 			DP_NOTICE(p_hwfn,
129 				  "PF response: %d [Type %d]\n",
130 				  *done, p_req->first_tlv.tl.type);
131 		else
132 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
133 				   "PF response: %d [Type %d]\n",
134 				   *done, p_req->first_tlv.tl.type);
135 	}
136 
137 	return rc;
138 }
139 
140 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
141 			      struct qed_queue_cid *p_cid)
142 {
143 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
144 	struct vfpf_qid_tlv *p_qid_tlv;
145 
146 	/* Only add QIDs for the queue if it was negotiated with PF */
147 	if (!(p_iov->acquire_resp.pfdev_info.capabilities &
148 	      PFVF_ACQUIRE_CAP_QUEUE_QIDS))
149 		return;
150 
151 	p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
152 				CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
153 	p_qid_tlv->qid = p_cid->qid_usage_idx;
154 }
155 
156 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
157 {
158 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
159 	struct pfvf_def_resp_tlv *resp;
160 	struct vfpf_first_tlv *req;
161 	u32 size;
162 	int rc;
163 
164 	/* clear mailbox and prep first tlv */
165 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
166 
167 	/* add list termination tlv */
168 	qed_add_tlv(p_hwfn, &p_iov->offset,
169 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
170 
171 	resp = &p_iov->pf2vf_reply->default_resp;
172 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
173 
174 	if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
175 		rc = -EAGAIN;
176 
177 	qed_vf_pf_req_end(p_hwfn, rc);
178 	if (!b_final)
179 		return rc;
180 
181 	p_hwfn->b_int_enabled = 0;
182 
183 	if (p_iov->vf2pf_request)
184 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
185 				  sizeof(union vfpf_tlvs),
186 				  p_iov->vf2pf_request,
187 				  p_iov->vf2pf_request_phys);
188 	if (p_iov->pf2vf_reply)
189 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
190 				  sizeof(union pfvf_tlvs),
191 				  p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
192 
193 	if (p_iov->bulletin.p_virt) {
194 		size = sizeof(struct qed_bulletin_content);
195 		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
196 				  size,
197 				  p_iov->bulletin.p_virt, p_iov->bulletin.phys);
198 	}
199 
200 	kfree(p_hwfn->vf_iov_info);
201 	p_hwfn->vf_iov_info = NULL;
202 
203 	return rc;
204 }
205 
206 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
207 {
208 	return _qed_vf_pf_release(p_hwfn, true);
209 }
210 
211 #define VF_ACQUIRE_THRESH 3
212 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
213 					  struct vf_pf_resc_request *p_req,
214 					  struct pf_vf_resc *p_resp)
215 {
216 	DP_VERBOSE(p_hwfn,
217 		   QED_MSG_IOV,
218 		   "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
219 		   p_req->num_rxqs,
220 		   p_resp->num_rxqs,
221 		   p_req->num_rxqs,
222 		   p_resp->num_txqs,
223 		   p_req->num_sbs,
224 		   p_resp->num_sbs,
225 		   p_req->num_mac_filters,
226 		   p_resp->num_mac_filters,
227 		   p_req->num_vlan_filters,
228 		   p_resp->num_vlan_filters,
229 		   p_req->num_mc_filters,
230 		   p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
231 
232 	/* humble our request */
233 	p_req->num_txqs = p_resp->num_txqs;
234 	p_req->num_rxqs = p_resp->num_rxqs;
235 	p_req->num_sbs = p_resp->num_sbs;
236 	p_req->num_mac_filters = p_resp->num_mac_filters;
237 	p_req->num_vlan_filters = p_resp->num_vlan_filters;
238 	p_req->num_mc_filters = p_resp->num_mc_filters;
239 	p_req->num_cids = p_resp->num_cids;
240 }
241 
242 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
243 {
244 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
245 	struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
246 	struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
247 	struct vf_pf_resc_request *p_resc;
248 	u8 retry_cnt = VF_ACQUIRE_THRESH;
249 	bool resources_acquired = false;
250 	struct vfpf_acquire_tlv *req;
251 	int rc = 0, attempts = 0;
252 
253 	/* clear mailbox and prep first tlv */
254 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
255 	p_resc = &req->resc_request;
256 
257 	/* starting filling the request */
258 	req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
259 
260 	p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
261 	p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
262 	p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
263 	p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
264 	p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
265 	p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
266 
267 	req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
268 	req->vfdev_info.fw_major = FW_MAJOR_VERSION;
269 	req->vfdev_info.fw_minor = FW_MINOR_VERSION;
270 	req->vfdev_info.fw_revision = FW_REVISION_VERSION;
271 	req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
272 	req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
273 	req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
274 
275 	/* Fill capability field with any non-deprecated config we support */
276 	req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
277 
278 	/* If we've mapped the doorbell bar, try using queue qids */
279 	if (p_iov->b_doorbell_bar) {
280 		req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
281 						VFPF_ACQUIRE_CAP_QUEUE_QIDS;
282 		p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
283 	}
284 
285 	/* pf 2 vf bulletin board address */
286 	req->bulletin_addr = p_iov->bulletin.phys;
287 	req->bulletin_size = p_iov->bulletin.size;
288 
289 	/* add list termination tlv */
290 	qed_add_tlv(p_hwfn, &p_iov->offset,
291 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
292 
293 	while (!resources_acquired) {
294 		DP_VERBOSE(p_hwfn,
295 			   QED_MSG_IOV, "attempting to acquire resources\n");
296 
297 		/* Clear response buffer, as this might be a re-send */
298 		memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
299 
300 		/* send acquire request */
301 		rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
302 
303 		/* Re-try acquire in case of vf-pf hw channel timeout */
304 		if (retry_cnt && rc == -EBUSY) {
305 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
306 				   "VF retrying to acquire due to VPC timeout\n");
307 			retry_cnt--;
308 			continue;
309 		}
310 
311 		if (rc)
312 			goto exit;
313 
314 		/* copy acquire response from buffer to p_hwfn */
315 		memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
316 
317 		attempts++;
318 
319 		if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
320 			/* PF agrees to allocate our resources */
321 			if (!(resp->pfdev_info.capabilities &
322 			      PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
323 				/* It's possible legacy PF mistakenly accepted;
324 				 * but we don't care - simply mark it as
325 				 * legacy and continue.
326 				 */
327 				req->vfdev_info.capabilities |=
328 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
329 			}
330 			DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
331 			resources_acquired = true;
332 		} else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
333 			   attempts < VF_ACQUIRE_THRESH) {
334 			qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
335 						      &resp->resc);
336 		} else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
337 			if (pfdev_info->major_fp_hsi &&
338 			    (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
339 				DP_NOTICE(p_hwfn,
340 					  "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
341 					  pfdev_info->major_fp_hsi,
342 					  pfdev_info->minor_fp_hsi,
343 					  ETH_HSI_VER_MAJOR,
344 					  ETH_HSI_VER_MINOR,
345 					  pfdev_info->major_fp_hsi);
346 				rc = -EINVAL;
347 				goto exit;
348 			}
349 
350 			if (!pfdev_info->major_fp_hsi) {
351 				if (req->vfdev_info.capabilities &
352 				    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
353 					DP_NOTICE(p_hwfn,
354 						  "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
355 					rc = -EINVAL;
356 					goto exit;
357 				} else {
358 					DP_INFO(p_hwfn,
359 						"PF is old - try re-acquire to see if it supports FW-version override\n");
360 					req->vfdev_info.capabilities |=
361 					    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
362 					continue;
363 				}
364 			}
365 
366 			/* If PF/VF are using same Major, PF must have had
367 			 * it's reasons. Simply fail.
368 			 */
369 			DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
370 			rc = -EINVAL;
371 			goto exit;
372 		} else {
373 			DP_ERR(p_hwfn,
374 			       "PF returned error %d to VF acquisition request\n",
375 			       resp->hdr.status);
376 			rc = -EAGAIN;
377 			goto exit;
378 		}
379 	}
380 
381 	/* Mark the PF as legacy, if needed */
382 	if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
383 		p_iov->b_pre_fp_hsi = true;
384 
385 	/* In case PF doesn't support multi-queue Tx, update the number of
386 	 * CIDs to reflect the number of queues [older PFs didn't fill that
387 	 * field].
388 	 */
389 	if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
390 		resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
391 
392 	/* Update bulletin board size with response from PF */
393 	p_iov->bulletin.size = resp->bulletin_size;
394 
395 	/* get HW info */
396 	p_hwfn->cdev->type = resp->pfdev_info.dev_type;
397 	p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
398 
399 	p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
400 
401 	/* Learn of the possibility of CMT */
402 	if (IS_LEAD_HWFN(p_hwfn)) {
403 		if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
404 			DP_NOTICE(p_hwfn, "100g VF\n");
405 			p_hwfn->cdev->num_hwfns = 2;
406 		}
407 	}
408 
409 	if (!p_iov->b_pre_fp_hsi &&
410 	    (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
411 		DP_INFO(p_hwfn,
412 			"PF is using older fastpath HSI; %02x.%02x is configured\n",
413 			ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
414 	}
415 
416 exit:
417 	qed_vf_pf_req_end(p_hwfn, rc);
418 
419 	return rc;
420 }
421 
422 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
423 {
424 	u32 bar_size;
425 
426 	/* Regview size is fixed */
427 	if (bar_id == BAR_ID_0)
428 		return 1 << 17;
429 
430 	/* Doorbell is received from PF */
431 	bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
432 	if (bar_size)
433 		return 1 << bar_size;
434 	return 0;
435 }
436 
437 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
438 {
439 	struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
440 	struct qed_vf_iov *p_iov;
441 	u32 reg;
442 	int rc;
443 
444 	/* Set number of hwfns - might be overridden once leading hwfn learns
445 	 * actual configuration from PF.
446 	 */
447 	if (IS_LEAD_HWFN(p_hwfn))
448 		p_hwfn->cdev->num_hwfns = 1;
449 
450 	reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
451 	p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
452 
453 	reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
454 	p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
455 
456 	/* Allocate vf sriov info */
457 	p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
458 	if (!p_iov)
459 		return -ENOMEM;
460 
461 	/* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
462 	 * value, but there are several incompatibily scenarios where that
463 	 * would be incorrect and we'd need to override it.
464 	 */
465 	if (!p_hwfn->doorbells) {
466 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
467 						  PXP_VF_BAR0_START_DQ;
468 	} else if (p_hwfn == p_lead) {
469 		/* For leading hw-function, value is always correct, but need
470 		 * to handle scenario where legacy PF would not support 100g
471 		 * mapped bars later.
472 		 */
473 		p_iov->b_doorbell_bar = true;
474 	} else {
475 		/* here, value would be correct ONLY if the leading hwfn
476 		 * received indication that mapped-bars are supported.
477 		 */
478 		if (p_lead->vf_iov_info->b_doorbell_bar)
479 			p_iov->b_doorbell_bar = true;
480 		else
481 			p_hwfn->doorbells = (u8 __iomem *)
482 			    p_hwfn->regview + PXP_VF_BAR0_START_DQ;
483 	}
484 
485 	/* Allocate vf2pf msg */
486 	p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
487 						  sizeof(union vfpf_tlvs),
488 						  &p_iov->vf2pf_request_phys,
489 						  GFP_KERNEL);
490 	if (!p_iov->vf2pf_request)
491 		goto free_p_iov;
492 
493 	p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
494 						sizeof(union pfvf_tlvs),
495 						&p_iov->pf2vf_reply_phys,
496 						GFP_KERNEL);
497 	if (!p_iov->pf2vf_reply)
498 		goto free_vf2pf_request;
499 
500 	DP_VERBOSE(p_hwfn,
501 		   QED_MSG_IOV,
502 		   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
503 		   p_iov->vf2pf_request,
504 		   (u64)p_iov->vf2pf_request_phys,
505 		   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
506 
507 	/* Allocate Bulletin board */
508 	p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
509 	p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
510 						    p_iov->bulletin.size,
511 						    &p_iov->bulletin.phys,
512 						    GFP_KERNEL);
513 	if (!p_iov->bulletin.p_virt)
514 		goto free_pf2vf_reply;
515 
516 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
517 		   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
518 		   p_iov->bulletin.p_virt,
519 		   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
520 
521 	mutex_init(&p_iov->mutex);
522 
523 	p_hwfn->vf_iov_info = p_iov;
524 
525 	p_hwfn->hw_info.personality = QED_PCI_ETH;
526 
527 	rc = qed_vf_pf_acquire(p_hwfn);
528 
529 	/* If VF is 100g using a mapped bar and PF is too old to support that,
530 	 * acquisition would succeed - but the VF would have no way knowing
531 	 * the size of the doorbell bar configured in HW and thus will not
532 	 * know how to split it for 2nd hw-function.
533 	 * In this case we re-try without the indication of the mapped
534 	 * doorbell.
535 	 */
536 	if (!rc && p_iov->b_doorbell_bar &&
537 	    !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
538 	    (p_hwfn->cdev->num_hwfns > 1)) {
539 		rc = _qed_vf_pf_release(p_hwfn, false);
540 		if (rc)
541 			return rc;
542 
543 		p_iov->b_doorbell_bar = false;
544 		p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
545 						  PXP_VF_BAR0_START_DQ;
546 		rc = qed_vf_pf_acquire(p_hwfn);
547 	}
548 
549 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
550 		   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
551 		   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
552 
553 	return rc;
554 
555 free_pf2vf_reply:
556 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
557 			  sizeof(union pfvf_tlvs),
558 			  p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
559 free_vf2pf_request:
560 	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
561 			  sizeof(union vfpf_tlvs),
562 			  p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
563 free_p_iov:
564 	kfree(p_iov);
565 
566 	return -ENOMEM;
567 }
568 
569 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
570 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START +	\
571 				   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
572 
573 static void
574 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
575 			   struct qed_tunn_update_type *p_src,
576 			   enum qed_tunn_mode mask, u8 *p_cls)
577 {
578 	if (p_src->b_update_mode) {
579 		p_req->tun_mode_update_mask |= BIT(mask);
580 
581 		if (p_src->b_mode_enabled)
582 			p_req->tunn_mode |= BIT(mask);
583 	}
584 
585 	*p_cls = p_src->tun_cls;
586 }
587 
588 static void
589 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
590 			 struct qed_tunn_update_type *p_src,
591 			 enum qed_tunn_mode mask,
592 			 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
593 			 u8 *p_update_port, u16 *p_udp_port)
594 {
595 	if (p_port->b_update_port) {
596 		*p_update_port = 1;
597 		*p_udp_port = p_port->port;
598 	}
599 
600 	__qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
601 }
602 
603 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
604 {
605 	if (p_tun->vxlan.b_mode_enabled)
606 		p_tun->vxlan.b_update_mode = true;
607 	if (p_tun->l2_geneve.b_mode_enabled)
608 		p_tun->l2_geneve.b_update_mode = true;
609 	if (p_tun->ip_geneve.b_mode_enabled)
610 		p_tun->ip_geneve.b_update_mode = true;
611 	if (p_tun->l2_gre.b_mode_enabled)
612 		p_tun->l2_gre.b_update_mode = true;
613 	if (p_tun->ip_gre.b_mode_enabled)
614 		p_tun->ip_gre.b_update_mode = true;
615 
616 	p_tun->b_update_rx_cls = true;
617 	p_tun->b_update_tx_cls = true;
618 }
619 
620 static void
621 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
622 			   u16 feature_mask, u8 tunn_mode,
623 			   u8 tunn_cls, enum qed_tunn_mode val)
624 {
625 	if (feature_mask & BIT(val)) {
626 		p_tun->b_mode_enabled = tunn_mode;
627 		p_tun->tun_cls = tunn_cls;
628 	} else {
629 		p_tun->b_mode_enabled = false;
630 	}
631 }
632 
633 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
634 				     struct qed_tunnel_info *p_tun,
635 				     struct pfvf_update_tunn_param_tlv *p_resp)
636 {
637 	/* Update mode and classes provided by PF */
638 	u16 feat_mask = p_resp->tunn_feature_mask;
639 
640 	__qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
641 				   p_resp->vxlan_mode, p_resp->vxlan_clss,
642 				   QED_MODE_VXLAN_TUNN);
643 	__qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
644 				   p_resp->l2geneve_mode,
645 				   p_resp->l2geneve_clss,
646 				   QED_MODE_L2GENEVE_TUNN);
647 	__qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
648 				   p_resp->ipgeneve_mode,
649 				   p_resp->ipgeneve_clss,
650 				   QED_MODE_IPGENEVE_TUNN);
651 	__qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
652 				   p_resp->l2gre_mode, p_resp->l2gre_clss,
653 				   QED_MODE_L2GRE_TUNN);
654 	__qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
655 				   p_resp->ipgre_mode, p_resp->ipgre_clss,
656 				   QED_MODE_IPGRE_TUNN);
657 	p_tun->geneve_port.port = p_resp->geneve_udp_port;
658 	p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
659 
660 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
661 		   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
662 		   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
663 		   p_tun->ip_geneve.b_mode_enabled,
664 		   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
665 }
666 
667 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
668 				  struct qed_tunnel_info *p_src)
669 {
670 	struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
671 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
672 	struct pfvf_update_tunn_param_tlv *p_resp;
673 	struct vfpf_update_tunn_param_tlv *p_req;
674 	int rc;
675 
676 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
677 			       sizeof(*p_req));
678 
679 	if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
680 		p_req->update_tun_cls = 1;
681 
682 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
683 				 &p_req->vxlan_clss, &p_src->vxlan_port,
684 				 &p_req->update_vxlan_port,
685 				 &p_req->vxlan_port);
686 	qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
687 				 QED_MODE_L2GENEVE_TUNN,
688 				 &p_req->l2geneve_clss, &p_src->geneve_port,
689 				 &p_req->update_geneve_port,
690 				 &p_req->geneve_port);
691 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
692 				   QED_MODE_IPGENEVE_TUNN,
693 				   &p_req->ipgeneve_clss);
694 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
695 				   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
696 	__qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
697 				   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
698 
699 	/* add list termination tlv */
700 	qed_add_tlv(p_hwfn, &p_iov->offset,
701 		    CHANNEL_TLV_LIST_END,
702 		    sizeof(struct channel_list_end_tlv));
703 
704 	p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
705 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status);
706 
707 	if (rc)
708 		goto exit;
709 
710 	if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
711 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
712 			   "Failed to update tunnel parameters\n");
713 		rc = -EINVAL;
714 	}
715 
716 	qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
717 exit:
718 	qed_vf_pf_req_end(p_hwfn, rc);
719 	return rc;
720 }
721 
722 int
723 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
724 		    struct qed_queue_cid *p_cid,
725 		    u16 bd_max_bytes,
726 		    dma_addr_t bd_chain_phys_addr,
727 		    dma_addr_t cqe_pbl_addr,
728 		    u16 cqe_pbl_size, void __iomem **pp_prod)
729 {
730 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
731 	struct pfvf_start_queue_resp_tlv *resp;
732 	struct vfpf_start_rxq_tlv *req;
733 	u8 rx_qid = p_cid->rel.queue_id;
734 	int rc;
735 
736 	/* clear mailbox and prep first tlv */
737 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
738 
739 	req->rx_qid = rx_qid;
740 	req->cqe_pbl_addr = cqe_pbl_addr;
741 	req->cqe_pbl_size = cqe_pbl_size;
742 	req->rxq_addr = bd_chain_phys_addr;
743 	req->hw_sb = p_cid->sb_igu_id;
744 	req->sb_index = p_cid->sb_idx;
745 	req->bd_max_bytes = bd_max_bytes;
746 	req->stat_id = -1;
747 
748 	/* If PF is legacy, we'll need to calculate producers ourselves
749 	 * as well as clean them.
750 	 */
751 	if (p_iov->b_pre_fp_hsi) {
752 		u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
753 		u32 init_prod_val = 0;
754 
755 		*pp_prod = (u8 __iomem *)
756 		    p_hwfn->regview +
757 		    MSTORM_QZONE_START(p_hwfn->cdev) +
758 		    hw_qid * MSTORM_QZONE_SIZE;
759 
760 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
761 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
762 				  (u32 *)(&init_prod_val));
763 	}
764 
765 	qed_vf_pf_add_qid(p_hwfn, p_cid);
766 
767 	/* add list termination tlv */
768 	qed_add_tlv(p_hwfn, &p_iov->offset,
769 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
770 
771 	resp = &p_iov->pf2vf_reply->queue_start;
772 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
773 	if (rc)
774 		goto exit;
775 
776 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
777 		rc = -EINVAL;
778 		goto exit;
779 	}
780 
781 	/* Learn the address of the producer from the response */
782 	if (!p_iov->b_pre_fp_hsi) {
783 		u32 init_prod_val = 0;
784 
785 		*pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
786 		DP_VERBOSE(p_hwfn, QED_MSG_IOV,
787 			   "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
788 			   rx_qid, *pp_prod, resp->offset);
789 
790 		/* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
791 		__internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
792 				  (u32 *)&init_prod_val);
793 	}
794 exit:
795 	qed_vf_pf_req_end(p_hwfn, rc);
796 
797 	return rc;
798 }
799 
800 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
801 		       struct qed_queue_cid *p_cid, bool cqe_completion)
802 {
803 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
804 	struct vfpf_stop_rxqs_tlv *req;
805 	struct pfvf_def_resp_tlv *resp;
806 	int rc;
807 
808 	/* clear mailbox and prep first tlv */
809 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
810 
811 	req->rx_qid = p_cid->rel.queue_id;
812 	req->num_rxqs = 1;
813 	req->cqe_completion = cqe_completion;
814 
815 	qed_vf_pf_add_qid(p_hwfn, p_cid);
816 
817 	/* add list termination tlv */
818 	qed_add_tlv(p_hwfn, &p_iov->offset,
819 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
820 
821 	resp = &p_iov->pf2vf_reply->default_resp;
822 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
823 	if (rc)
824 		goto exit;
825 
826 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
827 		rc = -EINVAL;
828 		goto exit;
829 	}
830 
831 exit:
832 	qed_vf_pf_req_end(p_hwfn, rc);
833 
834 	return rc;
835 }
836 
837 int
838 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
839 		    struct qed_queue_cid *p_cid,
840 		    dma_addr_t pbl_addr,
841 		    u16 pbl_size, void __iomem **pp_doorbell)
842 {
843 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
844 	struct pfvf_start_queue_resp_tlv *resp;
845 	struct vfpf_start_txq_tlv *req;
846 	u16 qid = p_cid->rel.queue_id;
847 	int rc;
848 
849 	/* clear mailbox and prep first tlv */
850 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
851 
852 	req->tx_qid = qid;
853 
854 	/* Tx */
855 	req->pbl_addr = pbl_addr;
856 	req->pbl_size = pbl_size;
857 	req->hw_sb = p_cid->sb_igu_id;
858 	req->sb_index = p_cid->sb_idx;
859 
860 	qed_vf_pf_add_qid(p_hwfn, p_cid);
861 
862 	/* add list termination tlv */
863 	qed_add_tlv(p_hwfn, &p_iov->offset,
864 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
865 
866 	resp = &p_iov->pf2vf_reply->queue_start;
867 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
868 	if (rc)
869 		goto exit;
870 
871 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
872 		rc = -EINVAL;
873 		goto exit;
874 	}
875 
876 	/* Modern PFs provide the actual offsets, while legacy
877 	 * provided only the queue id.
878 	 */
879 	if (!p_iov->b_pre_fp_hsi) {
880 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
881 	} else {
882 		u8 cid = p_iov->acquire_resp.resc.cid[qid];
883 
884 		*pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
885 					     qed_db_addr_vf(cid,
886 							    DQ_DEMS_LEGACY);
887 	}
888 
889 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
890 		   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
891 		   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
892 exit:
893 	qed_vf_pf_req_end(p_hwfn, rc);
894 
895 	return rc;
896 }
897 
898 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
899 {
900 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
901 	struct vfpf_stop_txqs_tlv *req;
902 	struct pfvf_def_resp_tlv *resp;
903 	int rc;
904 
905 	/* clear mailbox and prep first tlv */
906 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
907 
908 	req->tx_qid = p_cid->rel.queue_id;
909 	req->num_txqs = 1;
910 
911 	qed_vf_pf_add_qid(p_hwfn, p_cid);
912 
913 	/* add list termination tlv */
914 	qed_add_tlv(p_hwfn, &p_iov->offset,
915 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
916 
917 	resp = &p_iov->pf2vf_reply->default_resp;
918 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
919 	if (rc)
920 		goto exit;
921 
922 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
923 		rc = -EINVAL;
924 		goto exit;
925 	}
926 
927 exit:
928 	qed_vf_pf_req_end(p_hwfn, rc);
929 
930 	return rc;
931 }
932 
933 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
934 			  u8 vport_id,
935 			  u16 mtu,
936 			  u8 inner_vlan_removal,
937 			  enum qed_tpa_mode tpa_mode,
938 			  u8 max_buffers_per_cqe, u8 only_untagged)
939 {
940 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
941 	struct vfpf_vport_start_tlv *req;
942 	struct pfvf_def_resp_tlv *resp;
943 	int rc, i;
944 
945 	/* clear mailbox and prep first tlv */
946 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
947 
948 	req->mtu = mtu;
949 	req->vport_id = vport_id;
950 	req->inner_vlan_removal = inner_vlan_removal;
951 	req->tpa_mode = tpa_mode;
952 	req->max_buffers_per_cqe = max_buffers_per_cqe;
953 	req->only_untagged = only_untagged;
954 
955 	/* status blocks */
956 	for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
957 		struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
958 
959 		if (p_sb)
960 			req->sb_addr[i] = p_sb->sb_phys;
961 	}
962 
963 	/* add list termination tlv */
964 	qed_add_tlv(p_hwfn, &p_iov->offset,
965 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
966 
967 	resp = &p_iov->pf2vf_reply->default_resp;
968 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
969 	if (rc)
970 		goto exit;
971 
972 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
973 		rc = -EINVAL;
974 		goto exit;
975 	}
976 
977 exit:
978 	qed_vf_pf_req_end(p_hwfn, rc);
979 
980 	return rc;
981 }
982 
983 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
984 {
985 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
986 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
987 	int rc;
988 
989 	/* clear mailbox and prep first tlv */
990 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
991 		       sizeof(struct vfpf_first_tlv));
992 
993 	/* add list termination tlv */
994 	qed_add_tlv(p_hwfn, &p_iov->offset,
995 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
996 
997 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
998 	if (rc)
999 		goto exit;
1000 
1001 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1002 		rc = -EINVAL;
1003 		goto exit;
1004 	}
1005 
1006 exit:
1007 	qed_vf_pf_req_end(p_hwfn, rc);
1008 
1009 	return rc;
1010 }
1011 
1012 static bool
1013 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1014 				  struct qed_sp_vport_update_params *p_data,
1015 				  u16 tlv)
1016 {
1017 	switch (tlv) {
1018 	case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1019 		return !!(p_data->update_vport_active_rx_flg ||
1020 			  p_data->update_vport_active_tx_flg);
1021 	case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1022 		return !!p_data->update_tx_switching_flg;
1023 	case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1024 		return !!p_data->update_inner_vlan_removal_flg;
1025 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1026 		return !!p_data->update_accept_any_vlan_flg;
1027 	case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1028 		return !!p_data->update_approx_mcast_flg;
1029 	case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1030 		return !!(p_data->accept_flags.update_rx_mode_config ||
1031 			  p_data->accept_flags.update_tx_mode_config);
1032 	case CHANNEL_TLV_VPORT_UPDATE_RSS:
1033 		return !!p_data->rss_params;
1034 	case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1035 		return !!p_data->sge_tpa_params;
1036 	default:
1037 		DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1038 			tlv);
1039 		return false;
1040 	}
1041 }
1042 
1043 static void
1044 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1045 				  struct qed_sp_vport_update_params *p_data)
1046 {
1047 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1048 	struct pfvf_def_resp_tlv *p_resp;
1049 	u16 tlv;
1050 
1051 	for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1052 	     tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1053 		if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1054 			continue;
1055 
1056 		p_resp = (struct pfvf_def_resp_tlv *)
1057 			 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1058 						  tlv);
1059 		if (p_resp && p_resp->hdr.status)
1060 			DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1061 				   "TLV[%d] Configuration %s\n",
1062 				   tlv,
1063 				   (p_resp && p_resp->hdr.status) ? "succeeded"
1064 								  : "failed");
1065 	}
1066 }
1067 
1068 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1069 			   struct qed_sp_vport_update_params *p_params)
1070 {
1071 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1072 	struct vfpf_vport_update_tlv *req;
1073 	struct pfvf_def_resp_tlv *resp;
1074 	u8 update_rx, update_tx;
1075 	u16 size, tlv;
1076 	int rc;
1077 
1078 	resp = &p_iov->pf2vf_reply->default_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 
1095 		if (update_rx) {
1096 			p_act_tlv->update_rx = update_rx;
1097 			p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1098 		}
1099 
1100 		if (update_tx) {
1101 			p_act_tlv->update_tx = update_tx;
1102 			p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1103 		}
1104 	}
1105 
1106 	if (p_params->update_tx_switching_flg) {
1107 		struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1108 
1109 		size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1110 		tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1111 		p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1112 					      tlv, size);
1113 
1114 		p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1115 	}
1116 
1117 	if (p_params->update_approx_mcast_flg) {
1118 		struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1119 
1120 		size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1121 		p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1122 					  CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1123 
1124 		memcpy(p_mcast_tlv->bins, p_params->bins,
1125 		       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1126 	}
1127 
1128 	update_rx = p_params->accept_flags.update_rx_mode_config;
1129 	update_tx = p_params->accept_flags.update_tx_mode_config;
1130 
1131 	if (update_rx || update_tx) {
1132 		struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1133 
1134 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1135 		size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1136 		p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1137 
1138 		if (update_rx) {
1139 			p_accept_tlv->update_rx_mode = update_rx;
1140 			p_accept_tlv->rx_accept_filter =
1141 			    p_params->accept_flags.rx_accept_filter;
1142 		}
1143 
1144 		if (update_tx) {
1145 			p_accept_tlv->update_tx_mode = update_tx;
1146 			p_accept_tlv->tx_accept_filter =
1147 			    p_params->accept_flags.tx_accept_filter;
1148 		}
1149 	}
1150 
1151 	if (p_params->rss_params) {
1152 		struct qed_rss_params *rss_params = p_params->rss_params;
1153 		struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1154 		int i, table_size;
1155 
1156 		size = sizeof(struct vfpf_vport_update_rss_tlv);
1157 		p_rss_tlv = qed_add_tlv(p_hwfn,
1158 					&p_iov->offset,
1159 					CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1160 
1161 		if (rss_params->update_rss_config)
1162 			p_rss_tlv->update_rss_flags |=
1163 			    VFPF_UPDATE_RSS_CONFIG_FLAG;
1164 		if (rss_params->update_rss_capabilities)
1165 			p_rss_tlv->update_rss_flags |=
1166 			    VFPF_UPDATE_RSS_CAPS_FLAG;
1167 		if (rss_params->update_rss_ind_table)
1168 			p_rss_tlv->update_rss_flags |=
1169 			    VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1170 		if (rss_params->update_rss_key)
1171 			p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1172 
1173 		p_rss_tlv->rss_enable = rss_params->rss_enable;
1174 		p_rss_tlv->rss_caps = rss_params->rss_caps;
1175 		p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1176 
1177 		table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1178 				   1 << p_rss_tlv->rss_table_size_log);
1179 		for (i = 0; i < table_size; i++) {
1180 			struct qed_queue_cid *p_queue;
1181 
1182 			p_queue = rss_params->rss_ind_table[i];
1183 			p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1184 		}
1185 		memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1186 		       sizeof(rss_params->rss_key));
1187 	}
1188 
1189 	if (p_params->update_accept_any_vlan_flg) {
1190 		struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1191 
1192 		size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1193 		tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1194 		p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1195 
1196 		p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1197 		p_any_vlan_tlv->update_accept_any_vlan_flg =
1198 		    p_params->update_accept_any_vlan_flg;
1199 	}
1200 
1201 	/* add list termination tlv */
1202 	qed_add_tlv(p_hwfn, &p_iov->offset,
1203 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1204 
1205 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1206 	if (rc)
1207 		goto exit;
1208 
1209 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1210 		rc = -EINVAL;
1211 		goto exit;
1212 	}
1213 
1214 	qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1215 
1216 exit:
1217 	qed_vf_pf_req_end(p_hwfn, rc);
1218 
1219 	return rc;
1220 }
1221 
1222 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1223 {
1224 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1225 	struct pfvf_def_resp_tlv *resp;
1226 	struct vfpf_first_tlv *req;
1227 	int rc;
1228 
1229 	/* clear mailbox and prep first tlv */
1230 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1231 
1232 	/* add list termination tlv */
1233 	qed_add_tlv(p_hwfn, &p_iov->offset,
1234 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1235 
1236 	resp = &p_iov->pf2vf_reply->default_resp;
1237 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1238 	if (rc)
1239 		goto exit;
1240 
1241 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1242 		rc = -EAGAIN;
1243 		goto exit;
1244 	}
1245 
1246 	p_hwfn->b_int_enabled = 0;
1247 
1248 exit:
1249 	qed_vf_pf_req_end(p_hwfn, rc);
1250 
1251 	return rc;
1252 }
1253 
1254 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1255 			    struct qed_filter_mcast *p_filter_cmd)
1256 {
1257 	struct qed_sp_vport_update_params sp_params;
1258 	int i;
1259 
1260 	memset(&sp_params, 0, sizeof(sp_params));
1261 	sp_params.update_approx_mcast_flg = 1;
1262 
1263 	if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1264 		for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1265 			u32 bit;
1266 
1267 			bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1268 			sp_params.bins[bit / 32] |= 1 << (bit % 32);
1269 		}
1270 	}
1271 
1272 	qed_vf_pf_vport_update(p_hwfn, &sp_params);
1273 }
1274 
1275 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1276 			   struct qed_filter_ucast *p_ucast)
1277 {
1278 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1279 	struct vfpf_ucast_filter_tlv *req;
1280 	struct pfvf_def_resp_tlv *resp;
1281 	int rc;
1282 
1283 	/* clear mailbox and prep first tlv */
1284 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1285 	req->opcode = (u8)p_ucast->opcode;
1286 	req->type = (u8)p_ucast->type;
1287 	memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1288 	req->vlan = p_ucast->vlan;
1289 
1290 	/* add list termination tlv */
1291 	qed_add_tlv(p_hwfn, &p_iov->offset,
1292 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1293 
1294 	resp = &p_iov->pf2vf_reply->default_resp;
1295 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1296 	if (rc)
1297 		goto exit;
1298 
1299 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1300 		rc = -EAGAIN;
1301 		goto exit;
1302 	}
1303 
1304 exit:
1305 	qed_vf_pf_req_end(p_hwfn, rc);
1306 
1307 	return rc;
1308 }
1309 
1310 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1311 {
1312 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1313 	struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1314 	int rc;
1315 
1316 	/* clear mailbox and prep first tlv */
1317 	qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1318 		       sizeof(struct vfpf_first_tlv));
1319 
1320 	/* add list termination tlv */
1321 	qed_add_tlv(p_hwfn, &p_iov->offset,
1322 		    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1323 
1324 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1325 	if (rc)
1326 		goto exit;
1327 
1328 	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1329 		rc = -EINVAL;
1330 		goto exit;
1331 	}
1332 
1333 exit:
1334 	qed_vf_pf_req_end(p_hwfn, rc);
1335 
1336 	return rc;
1337 }
1338 
1339 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1340 			   u16 *p_coal, struct qed_queue_cid *p_cid)
1341 {
1342 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1343 	struct pfvf_read_coal_resp_tlv *resp;
1344 	struct vfpf_read_coal_req_tlv *req;
1345 	int rc;
1346 
1347 	/* clear mailbox and prep header tlv */
1348 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1349 	req->qid = p_cid->rel.queue_id;
1350 	req->is_rx = p_cid->b_is_rx ? 1 : 0;
1351 
1352 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1353 		    sizeof(struct channel_list_end_tlv));
1354 	resp = &p_iov->pf2vf_reply->read_coal_resp;
1355 
1356 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1357 	if (rc)
1358 		goto exit;
1359 
1360 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1361 		goto exit;
1362 
1363 	*p_coal = resp->coal;
1364 exit:
1365 	qed_vf_pf_req_end(p_hwfn, rc);
1366 
1367 	return rc;
1368 }
1369 
1370 int
1371 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1372 			      const u8 *p_mac)
1373 {
1374 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1375 	struct vfpf_bulletin_update_mac_tlv *p_req;
1376 	struct pfvf_def_resp_tlv *p_resp;
1377 	int rc;
1378 
1379 	if (!p_mac)
1380 		return -EINVAL;
1381 
1382 	/* clear mailbox and prep header tlv */
1383 	p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1384 			       sizeof(*p_req));
1385 	ether_addr_copy(p_req->mac, p_mac);
1386 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1387 		   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1388 
1389 	/* add list termination tlv */
1390 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1391 		    sizeof(struct channel_list_end_tlv));
1392 
1393 	p_resp = &p_iov->pf2vf_reply->default_resp;
1394 	rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status);
1395 	qed_vf_pf_req_end(p_hwfn, rc);
1396 	return rc;
1397 }
1398 
1399 int
1400 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1401 		       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1402 {
1403 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1404 	struct vfpf_update_coalesce *req;
1405 	struct pfvf_def_resp_tlv *resp;
1406 	int rc;
1407 
1408 	/* clear mailbox and prep header tlv */
1409 	req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1410 
1411 	req->rx_coal = rx_coal;
1412 	req->tx_coal = tx_coal;
1413 	req->qid = p_cid->rel.queue_id;
1414 
1415 	DP_VERBOSE(p_hwfn,
1416 		   QED_MSG_IOV,
1417 		   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1418 		   rx_coal, tx_coal, req->qid);
1419 
1420 	/* add list termination tlv */
1421 	qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1422 		    sizeof(struct channel_list_end_tlv));
1423 
1424 	resp = &p_iov->pf2vf_reply->default_resp;
1425 	rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1426 	if (rc)
1427 		goto exit;
1428 
1429 	if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1430 		goto exit;
1431 
1432 	if (rx_coal)
1433 		p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1434 
1435 	if (tx_coal)
1436 		p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1437 
1438 exit:
1439 	qed_vf_pf_req_end(p_hwfn, rc);
1440 	return rc;
1441 }
1442 
1443 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1444 {
1445 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1446 
1447 	if (!p_iov) {
1448 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1449 		return 0;
1450 	}
1451 
1452 	return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1453 }
1454 
1455 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1456 			u16 sb_id, struct qed_sb_info *p_sb)
1457 {
1458 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1459 
1460 	if (!p_iov) {
1461 		DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1462 		return;
1463 	}
1464 
1465 	if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1466 		DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1467 		return;
1468 	}
1469 
1470 	p_iov->sbs_info[sb_id] = p_sb;
1471 }
1472 
1473 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1474 {
1475 	struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1476 	struct qed_bulletin_content shadow;
1477 	u32 crc, crc_size;
1478 
1479 	crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1480 	*p_change = 0;
1481 
1482 	/* Need to guarantee PF is not in the middle of writing it */
1483 	memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1484 
1485 	/* If version did not update, no need to do anything */
1486 	if (shadow.version == p_iov->bulletin_shadow.version)
1487 		return 0;
1488 
1489 	/* Verify the bulletin we see is valid */
1490 	crc = crc32(0, (u8 *)&shadow + crc_size,
1491 		    p_iov->bulletin.size - crc_size);
1492 	if (crc != shadow.crc)
1493 		return -EAGAIN;
1494 
1495 	/* Set the shadow bulletin and process it */
1496 	memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1497 
1498 	DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1499 		   "Read a bulletin update %08x\n", shadow.version);
1500 
1501 	*p_change = 1;
1502 
1503 	return 0;
1504 }
1505 
1506 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1507 			      struct qed_mcp_link_params *p_params,
1508 			      struct qed_bulletin_content *p_bulletin)
1509 {
1510 	memset(p_params, 0, sizeof(*p_params));
1511 
1512 	p_params->speed.autoneg = p_bulletin->req_autoneg;
1513 	p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1514 	p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1515 	p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1516 	p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1517 	p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1518 	p_params->loopback_mode = p_bulletin->req_loopback;
1519 }
1520 
1521 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1522 			    struct qed_mcp_link_params *params)
1523 {
1524 	__qed_vf_get_link_params(p_hwfn, params,
1525 				 &(p_hwfn->vf_iov_info->bulletin_shadow));
1526 }
1527 
1528 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1529 			     struct qed_mcp_link_state *p_link,
1530 			     struct qed_bulletin_content *p_bulletin)
1531 {
1532 	memset(p_link, 0, sizeof(*p_link));
1533 
1534 	p_link->link_up = p_bulletin->link_up;
1535 	p_link->speed = p_bulletin->speed;
1536 	p_link->full_duplex = p_bulletin->full_duplex;
1537 	p_link->an = p_bulletin->autoneg;
1538 	p_link->an_complete = p_bulletin->autoneg_complete;
1539 	p_link->parallel_detection = p_bulletin->parallel_detection;
1540 	p_link->pfc_enabled = p_bulletin->pfc_enabled;
1541 	p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1542 	p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1543 	p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1544 	p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1545 	p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1546 }
1547 
1548 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1549 			   struct qed_mcp_link_state *link)
1550 {
1551 	__qed_vf_get_link_state(p_hwfn, link,
1552 				&(p_hwfn->vf_iov_info->bulletin_shadow));
1553 }
1554 
1555 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1556 			    struct qed_mcp_link_capabilities *p_link_caps,
1557 			    struct qed_bulletin_content *p_bulletin)
1558 {
1559 	memset(p_link_caps, 0, sizeof(*p_link_caps));
1560 	p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1561 }
1562 
1563 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1564 			  struct qed_mcp_link_capabilities *p_link_caps)
1565 {
1566 	__qed_vf_get_link_caps(p_hwfn, p_link_caps,
1567 			       &(p_hwfn->vf_iov_info->bulletin_shadow));
1568 }
1569 
1570 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1571 {
1572 	*num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1573 }
1574 
1575 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1576 {
1577 	*num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1578 }
1579 
1580 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1581 {
1582 	*num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1583 }
1584 
1585 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1586 {
1587 	memcpy(port_mac,
1588 	       p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1589 }
1590 
1591 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1592 {
1593 	struct qed_vf_iov *p_vf;
1594 
1595 	p_vf = p_hwfn->vf_iov_info;
1596 	*num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1597 }
1598 
1599 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1600 {
1601 	struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1602 
1603 	*num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1604 }
1605 
1606 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1607 {
1608 	struct qed_bulletin_content *bulletin;
1609 
1610 	bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1611 	if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1612 		return true;
1613 
1614 	/* Forbid VF from changing a MAC enforced by PF */
1615 	if (ether_addr_equal(bulletin->mac, mac))
1616 		return false;
1617 
1618 	return false;
1619 }
1620 
1621 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1622 					   u8 *dst_mac, u8 *p_is_forced)
1623 {
1624 	struct qed_bulletin_content *bulletin;
1625 
1626 	bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1627 
1628 	if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1629 		if (p_is_forced)
1630 			*p_is_forced = 1;
1631 	} else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1632 		if (p_is_forced)
1633 			*p_is_forced = 0;
1634 	} else {
1635 		return false;
1636 	}
1637 
1638 	ether_addr_copy(dst_mac, bulletin->mac);
1639 
1640 	return true;
1641 }
1642 
1643 static void
1644 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1645 			      u16 *p_vxlan_port, u16 *p_geneve_port)
1646 {
1647 	struct qed_bulletin_content *p_bulletin;
1648 
1649 	p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1650 
1651 	*p_vxlan_port = p_bulletin->vxlan_udp_port;
1652 	*p_geneve_port = p_bulletin->geneve_udp_port;
1653 }
1654 
1655 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1656 			   u16 *fw_major, u16 *fw_minor,
1657 			   u16 *fw_rev, u16 *fw_eng)
1658 {
1659 	struct pf_vf_pfdev_info *info;
1660 
1661 	info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1662 
1663 	*fw_major = info->fw_major;
1664 	*fw_minor = info->fw_minor;
1665 	*fw_rev = info->fw_rev;
1666 	*fw_eng = info->fw_eng;
1667 }
1668 
1669 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1670 {
1671 	struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1672 	u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1673 	void *cookie = hwfn->cdev->ops_cookie;
1674 	u16 vxlan_port, geneve_port;
1675 
1676 	qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1677 	is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1678 						      &is_mac_forced);
1679 	if (is_mac_exist && cookie)
1680 		ops->force_mac(cookie, mac, !!is_mac_forced);
1681 
1682 	ops->ports_update(cookie, vxlan_port, geneve_port);
1683 
1684 	/* Always update link configuration according to bulletin */
1685 	qed_link_update(hwfn, NULL);
1686 }
1687 
1688 void qed_iov_vf_task(struct work_struct *work)
1689 {
1690 	struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1691 					     iov_task.work);
1692 	u8 change = 0;
1693 
1694 	if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1695 		return;
1696 
1697 	/* Handle bulletin board changes */
1698 	qed_vf_read_bulletin(hwfn, &change);
1699 	if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1700 			       &hwfn->iov_task_flags))
1701 		change = 1;
1702 	if (change)
1703 		qed_handle_bulletin_change(hwfn);
1704 
1705 	/* As VF is polling bulletin board, need to constantly re-schedule */
1706 	queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1707 }
1708