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
  13static 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
  47static 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
  63static 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
 140static 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
 156static 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
 206int 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
 212static 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
 242static 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
 416exit:
 417	qed_vf_pf_req_end(p_hwfn, rc);
 418
 419	return rc;
 420}
 421
 422u32 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
 437int 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
 555free_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);
 559free_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);
 563free_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
 573static 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
 588static void
 589qed_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
 603void 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
 620static 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
 633static 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
 667int 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);
 717exit:
 718	qed_vf_pf_req_end(p_hwfn, rc);
 719	return rc;
 720}
 721
 722int
 723qed_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	}
 794exit:
 795	qed_vf_pf_req_end(p_hwfn, rc);
 796
 797	return rc;
 798}
 799
 800int 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
 831exit:
 832	qed_vf_pf_req_end(p_hwfn, rc);
 833
 834	return rc;
 835}
 836
 837int
 838qed_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);
 892exit:
 893	qed_vf_pf_req_end(p_hwfn, rc);
 894
 895	return rc;
 896}
 897
 898int 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
 927exit:
 928	qed_vf_pf_req_end(p_hwfn, rc);
 929
 930	return rc;
 931}
 932
 933int 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
 977exit:
 978	qed_vf_pf_req_end(p_hwfn, rc);
 979
 980	return rc;
 981}
 982
 983int 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
1006exit:
1007	qed_vf_pf_req_end(p_hwfn, rc);
1008
1009	return rc;
1010}
1011
1012static bool
1013qed_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
1043static void
1044qed_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
1068int 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
1216exit:
1217	qed_vf_pf_req_end(p_hwfn, rc);
1218
1219	return rc;
1220}
1221
1222int 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
1248exit:
1249	qed_vf_pf_req_end(p_hwfn, rc);
1250
1251	return rc;
1252}
1253
1254void 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
1275int 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
1304exit:
1305	qed_vf_pf_req_end(p_hwfn, rc);
1306
1307	return rc;
1308}
1309
1310int 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
1333exit:
1334	qed_vf_pf_req_end(p_hwfn, rc);
1335
1336	return rc;
1337}
1338
1339int 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;
1364exit:
1365	qed_vf_pf_req_end(p_hwfn, rc);
1366
1367	return rc;
1368}
1369
1370int
1371qed_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
1399int
1400qed_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
1438exit:
1439	qed_vf_pf_req_end(p_hwfn, rc);
1440	return rc;
1441}
1442
1443u16 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
1455void 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
1473int 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
1506void __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
1521void 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
1528void __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
1548void 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
1555void __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
1563void 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
1570void 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
1575void 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
1580void 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
1585void 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
1591void 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
1599void 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
1606bool 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
1621static 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
1643static void
1644qed_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
1655void 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
1669static 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
1688void 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}