drivers/net/ethernet/qlogic/qed/qed_vf.c

   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 }