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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/crc32.h>
  34 #include <linux/etherdevice.h>
  35 #include "qed.h"
  36 #include "qed_sriov.h"
  37 #include "qed_vf.h"
  38
  39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
  40 {
  41         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
  42         void *p_tlv;
  43
  44         /* This lock is released when we receive PF's response
  45          * in qed_send_msg2pf().
  46          * So, qed_vf_pf_prep() and qed_send_msg2pf()
  47          * must come in sequence.
  48          */
  49         mutex_lock(&(p_iov->mutex));
  50
  51         DP_VERBOSE(p_hwfn,
  52                    QED_MSG_IOV,
  53                    "preparing to send 0x%04x tlv over vf pf channel\n",
  54                    type);
  55
  56         /* Reset Requst offset */
  57         p_iov->offset = (u8 *)p_iov->vf2pf_request;
  58
  59         /* Clear mailbox - both request and reply */
  60         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
  61         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
  62
  63         /* Init type and length */
  64         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
  65
  66         /* Init first tlv header */
  67         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
  68             (u64)p_iov->pf2vf_reply_phys;
  69
  70         return p_tlv;
  71 }
  72
  73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
  74 {
  75         union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
  76
  77         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
  78                    "VF request status = 0x%x, PF reply status = 0x%x\n",
  79                    req_status, resp->default_resp.hdr.status);
  80
  81         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
  82 }
  83
  84 #define QED_VF_CHANNEL_USLEEP_ITERATIONS        90
  85 #define QED_VF_CHANNEL_USLEEP_DELAY             100
  86 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS        10
  87 #define QED_VF_CHANNEL_MSLEEP_DELAY             25
  88
  89 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
  90 {
  91         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
  92         struct ustorm_trigger_vf_zone trigger;
  93         struct ustorm_vf_zone *zone_data;
  94         int iter, rc = 0;
  95
  96         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
  97
  98         /* output tlvs list */
  99         qed_dp_tlv_list(p_hwfn, p_req);
 100
 101         /* need to add the END TLV to the message size */
 102         resp_size += sizeof(struct channel_list_end_tlv);
 103
 104         /* Send TLVs over HW channel */
 105         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
 106         trigger.vf_pf_msg_valid = 1;
 107
 108         DP_VERBOSE(p_hwfn,
 109                    QED_MSG_IOV,
 110                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
 111                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
 112                              PXP_CONCRETE_FID_PFID),
 113                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 114                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 115                    &zone_data->non_trigger.vf_pf_msg_addr,
 116                    *((u32 *)&trigger), &zone_data->trigger);
 117
 118         REG_WR(p_hwfn,
 119                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
 120                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 121
 122         REG_WR(p_hwfn,
 123                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
 124                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 125
 126         /* The message data must be written first, to prevent trigger before
 127          * data is written.
 128          */
 129         wmb();
 130
 131         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
 132
 133         /* When PF would be done with the response, it would write back to the
 134          * `done' address from a coherent DMA zone. Poll until then.
 135          */
 136
 137         iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
 138         while (!*done && iter--) {
 139                 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
 140                 dma_rmb();
 141         }
 142
 143         iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
 144         while (!*done && iter--) {
 145                 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
 146                 dma_rmb();
 147         }
 148
 149         if (!*done) {
 150                 DP_NOTICE(p_hwfn,
 151                           "VF <-- PF Timeout [Type %d]\n",
 152                           p_req->first_tlv.tl.type);
 153                 rc = -EBUSY;
 154         } else {
 155                 if ((*done != PFVF_STATUS_SUCCESS) &&
 156                     (*done != PFVF_STATUS_NO_RESOURCE))
 157                         DP_NOTICE(p_hwfn,
 158                                   "PF response: %d [Type %d]\n",
 159                                   *done, p_req->first_tlv.tl.type);
 160                 else
 161                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 162                                    "PF response: %d [Type %d]\n",
 163                                    *done, p_req->first_tlv.tl.type);
 164         }
 165
 166         return rc;
 167 }
 168
 169 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
 170                               struct qed_queue_cid *p_cid)
 171 {
 172         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 173         struct vfpf_qid_tlv *p_qid_tlv;
 174
 175         /* Only add QIDs for the queue if it was negotiated with PF */
 176         if (!(p_iov->acquire_resp.pfdev_info.capabilities &
 177               PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 178                 return;
 179
 180         p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 181                                 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
 182         p_qid_tlv->qid = p_cid->qid_usage_idx;
 183 }
 184
 185 int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
 186 {
 187         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 188         struct pfvf_def_resp_tlv *resp;
 189         struct vfpf_first_tlv *req;
 190         u32 size;
 191         int rc;
 192
 193         /* clear mailbox and prep first tlv */
 194         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
 195
 196         /* add list termination tlv */
 197         qed_add_tlv(p_hwfn, &p_iov->offset,
 198                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 199
 200         resp = &p_iov->pf2vf_reply->default_resp;
 201         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 202
 203         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
 204                 rc = -EAGAIN;
 205
 206         qed_vf_pf_req_end(p_hwfn, rc);
 207         if (!b_final)
 208                 return rc;
 209
 210         p_hwfn->b_int_enabled = 0;
 211
 212         if (p_iov->vf2pf_request)
 213                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 214                                   sizeof(union vfpf_tlvs),
 215                                   p_iov->vf2pf_request,
 216                                   p_iov->vf2pf_request_phys);
 217         if (p_iov->pf2vf_reply)
 218                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 219                                   sizeof(union pfvf_tlvs),
 220                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
 221
 222         if (p_iov->bulletin.p_virt) {
 223                 size = sizeof(struct qed_bulletin_content);
 224                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 225                                   size,
 226                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
 227         }
 228
 229         kfree(p_hwfn->vf_iov_info);
 230         p_hwfn->vf_iov_info = NULL;
 231
 232         return rc;
 233 }
 234
 235 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
 236 {
 237         return _qed_vf_pf_release(p_hwfn, true);
 238 }
 239
 240 #define VF_ACQUIRE_THRESH 3
 241 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
 242                                           struct vf_pf_resc_request *p_req,
 243                                           struct pf_vf_resc *p_resp)
 244 {
 245         DP_VERBOSE(p_hwfn,
 246                    QED_MSG_IOV,
 247                    "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
 248                    p_req->num_rxqs,
 249                    p_resp->num_rxqs,
 250                    p_req->num_rxqs,
 251                    p_resp->num_txqs,
 252                    p_req->num_sbs,
 253                    p_resp->num_sbs,
 254                    p_req->num_mac_filters,
 255                    p_resp->num_mac_filters,
 256                    p_req->num_vlan_filters,
 257                    p_resp->num_vlan_filters,
 258                    p_req->num_mc_filters,
 259                    p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
 260
 261         /* humble our request */
 262         p_req->num_txqs = p_resp->num_txqs;
 263         p_req->num_rxqs = p_resp->num_rxqs;
 264         p_req->num_sbs = p_resp->num_sbs;
 265         p_req->num_mac_filters = p_resp->num_mac_filters;
 266         p_req->num_vlan_filters = p_resp->num_vlan_filters;
 267         p_req->num_mc_filters = p_resp->num_mc_filters;
 268         p_req->num_cids = p_resp->num_cids;
 269 }
 270
 271 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
 272 {
 273         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 274         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
 275         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
 276         struct vf_pf_resc_request *p_resc;
 277         u8 retry_cnt = VF_ACQUIRE_THRESH;
 278         bool resources_acquired = false;
 279         struct vfpf_acquire_tlv *req;
 280         int rc = 0, attempts = 0;
 281
 282         /* clear mailbox and prep first tlv */
 283         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
 284         p_resc = &req->resc_request;
 285
 286         /* starting filling the request */
 287         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
 288
 289         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
 290         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
 291         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
 292         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 293         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 294         p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
 295
 296         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
 297         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
 298         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
 299         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
 300         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
 301         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
 302         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
 303
 304         /* Fill capability field with any non-deprecated config we support */
 305         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
 306
 307         /* If we've mapped the doorbell bar, try using queue qids */
 308         if (p_iov->b_doorbell_bar) {
 309                 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
 310                                                 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
 311                 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
 312         }
 313
 314         /* pf 2 vf bulletin board address */
 315         req->bulletin_addr = p_iov->bulletin.phys;
 316         req->bulletin_size = p_iov->bulletin.size;
 317
 318         /* add list termination tlv */
 319         qed_add_tlv(p_hwfn, &p_iov->offset,
 320                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 321
 322         while (!resources_acquired) {
 323                 DP_VERBOSE(p_hwfn,
 324                            QED_MSG_IOV, "attempting to acquire resources\n");
 325
 326                 /* Clear response buffer, as this might be a re-send */
 327                 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
 328
 329                 /* send acquire request */
 330                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 331
 332                 /* Re-try acquire in case of vf-pf hw channel timeout */
 333                 if (retry_cnt && rc == -EBUSY) {
 334                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 335                                    "VF retrying to acquire due to VPC timeout\n");
 336                         retry_cnt--;
 337                         continue;
 338                 }
 339
 340                 if (rc)
 341                         goto exit;
 342
 343                 /* copy acquire response from buffer to p_hwfn */
 344                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
 345
 346                 attempts++;
 347
 348                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
 349                         /* PF agrees to allocate our resources */
 350                         if (!(resp->pfdev_info.capabilities &
 351                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
 352                                 /* It's possible legacy PF mistakenly accepted;
 353                                  * but we don't care - simply mark it as
 354                                  * legacy and continue.
 355                                  */
 356                                 req->vfdev_info.capabilities |=
 357                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 358                         }
 359                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
 360                         resources_acquired = true;
 361                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
 362                            attempts < VF_ACQUIRE_THRESH) {
 363                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
 364                                                       &resp->resc);
 365                 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
 366                         if (pfdev_info->major_fp_hsi &&
 367                             (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
 368                                 DP_NOTICE(p_hwfn,
 369                                           "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
 370                                           pfdev_info->major_fp_hsi,
 371                                           pfdev_info->minor_fp_hsi,
 372                                           ETH_HSI_VER_MAJOR,
 373                                           ETH_HSI_VER_MINOR,
 374                                           pfdev_info->major_fp_hsi);
 375                                 rc = -EINVAL;
 376                                 goto exit;
 377                         }
 378
 379                         if (!pfdev_info->major_fp_hsi) {
 380                                 if (req->vfdev_info.capabilities &
 381                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
 382                                         DP_NOTICE(p_hwfn,
 383                                                   "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
 384                                         rc = -EINVAL;
 385                                         goto exit;
 386                                 } else {
 387                                         DP_INFO(p_hwfn,
 388                                                 "PF is old - try re-acquire to see if it supports FW-version override\n");
 389                                         req->vfdev_info.capabilities |=
 390                                             VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 391                                         continue;
 392                                 }
 393                         }
 394
 395                         /* If PF/VF are using same Major, PF must have had
 396                          * it's reasons. Simply fail.
 397                          */
 398                         DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
 399                         rc = -EINVAL;
 400                         goto exit;
 401                 } else {
 402                         DP_ERR(p_hwfn,
 403                                "PF returned error %d to VF acquisition request\n",
 404                                resp->hdr.status);
 405                         rc = -EAGAIN;
 406                         goto exit;
 407                 }
 408         }
 409
 410         /* Mark the PF as legacy, if needed */
 411         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
 412                 p_iov->b_pre_fp_hsi = true;
 413
 414         /* In case PF doesn't support multi-queue Tx, update the number of
 415          * CIDs to reflect the number of queues [older PFs didn't fill that
 416          * field].
 417          */
 418         if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 419                 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
 420
 421         /* Update bulletin board size with response from PF */
 422         p_iov->bulletin.size = resp->bulletin_size;
 423
 424         /* get HW info */
 425         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
 426         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
 427
 428         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
 429
 430         /* Learn of the possibility of CMT */
 431         if (IS_LEAD_HWFN(p_hwfn)) {
 432                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
 433                         DP_NOTICE(p_hwfn, "100g VF\n");
 434                         p_hwfn->cdev->num_hwfns = 2;
 435                 }
 436         }
 437
 438         if (!p_iov->b_pre_fp_hsi &&
 439             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
 440                 DP_INFO(p_hwfn,
 441                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
 442                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
 443         }
 444
 445 exit:
 446         qed_vf_pf_req_end(p_hwfn, rc);
 447
 448         return rc;
 449 }
 450
 451 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
 452 {
 453         u32 bar_size;
 454
 455         /* Regview size is fixed */
 456         if (bar_id == BAR_ID_0)
 457                 return 1 << 17;
 458
 459         /* Doorbell is received from PF */
 460         bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
 461         if (bar_size)
 462                 return 1 << bar_size;
 463         return 0;
 464 }
 465
 466 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
 467 {
 468         struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
 469         struct qed_vf_iov *p_iov;
 470         u32 reg;
 471         int rc;
 472
 473         /* Set number of hwfns - might be overriden once leading hwfn learns
 474          * actual configuration from PF.
 475          */
 476         if (IS_LEAD_HWFN(p_hwfn))
 477                 p_hwfn->cdev->num_hwfns = 1;
 478
 479         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
 480         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
 481
 482         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
 483         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
 484
 485         /* Allocate vf sriov info */
 486         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
 487         if (!p_iov)
 488                 return -ENOMEM;
 489
 490         /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
 491          * value, but there are several incompatibily scenarios where that
 492          * would be incorrect and we'd need to override it.
 493          */
 494         if (!p_hwfn->doorbells) {
 495                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 496                                                   PXP_VF_BAR0_START_DQ;
 497         } else if (p_hwfn == p_lead) {
 498                 /* For leading hw-function, value is always correct, but need
 499                  * to handle scenario where legacy PF would not support 100g
 500                  * mapped bars later.
 501                  */
 502                 p_iov->b_doorbell_bar = true;
 503         } else {
 504                 /* here, value would be correct ONLY if the leading hwfn
 505                  * received indication that mapped-bars are supported.
 506                  */
 507                 if (p_lead->vf_iov_info->b_doorbell_bar)
 508                         p_iov->b_doorbell_bar = true;
 509                 else
 510                         p_hwfn->doorbells = (u8 __iomem *)
 511                             p_hwfn->regview + PXP_VF_BAR0_START_DQ;
 512         }
 513
 514         /* Allocate vf2pf msg */
 515         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 516                                                   sizeof(union vfpf_tlvs),
 517                                                   &p_iov->vf2pf_request_phys,
 518                                                   GFP_KERNEL);
 519         if (!p_iov->vf2pf_request)
 520                 goto free_p_iov;
 521
 522         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 523                                                 sizeof(union pfvf_tlvs),
 524                                                 &p_iov->pf2vf_reply_phys,
 525                                                 GFP_KERNEL);
 526         if (!p_iov->pf2vf_reply)
 527                 goto free_vf2pf_request;
 528
 529         DP_VERBOSE(p_hwfn,
 530                    QED_MSG_IOV,
 531                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
 532                    p_iov->vf2pf_request,
 533                    (u64) p_iov->vf2pf_request_phys,
 534                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
 535
 536         /* Allocate Bulletin board */
 537         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
 538         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 539                                                     p_iov->bulletin.size,
 540                                                     &p_iov->bulletin.phys,
 541                                                     GFP_KERNEL);
 542         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 543                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
 544                    p_iov->bulletin.p_virt,
 545                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
 546
 547         mutex_init(&p_iov->mutex);
 548
 549         p_hwfn->vf_iov_info = p_iov;
 550
 551         p_hwfn->hw_info.personality = QED_PCI_ETH;
 552
 553         rc = qed_vf_pf_acquire(p_hwfn);
 554
 555         /* If VF is 100g using a mapped bar and PF is too old to support that,
 556          * acquisition would succeed - but the VF would have no way knowing
 557          * the size of the doorbell bar configured in HW and thus will not
 558          * know how to split it for 2nd hw-function.
 559          * In this case we re-try without the indication of the mapped
 560          * doorbell.
 561          */
 562         if (!rc && p_iov->b_doorbell_bar &&
 563             !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
 564             (p_hwfn->cdev->num_hwfns > 1)) {
 565                 rc = _qed_vf_pf_release(p_hwfn, false);
 566                 if (rc)
 567                         return rc;
 568
 569                 p_iov->b_doorbell_bar = false;
 570                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 571                                                   PXP_VF_BAR0_START_DQ;
 572                 rc = qed_vf_pf_acquire(p_hwfn);
 573         }
 574
 575         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 576                    "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
 577                    p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
 578
 579         return rc;
 580
 581 free_vf2pf_request:
 582         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 583                           sizeof(union vfpf_tlvs),
 584                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
 585 free_p_iov:
 586         kfree(p_iov);
 587
 588         return -ENOMEM;
 589 }
 590 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
 591 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
 592                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
 593
 594 static void
 595 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 596                            struct qed_tunn_update_type *p_src,
 597                            enum qed_tunn_mode mask, u8 *p_cls)
 598 {
 599         if (p_src->b_update_mode) {
 600                 p_req->tun_mode_update_mask |= BIT(mask);
 601
 602                 if (p_src->b_mode_enabled)
 603                         p_req->tunn_mode |= BIT(mask);
 604         }
 605
 606         *p_cls = p_src->tun_cls;
 607 }
 608
 609 static void
 610 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 611                          struct qed_tunn_update_type *p_src,
 612                          enum qed_tunn_mode mask,
 613                          u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
 614                          u8 *p_update_port, u16 *p_udp_port)
 615 {
 616         if (p_port->b_update_port) {
 617                 *p_update_port = 1;
 618                 *p_udp_port = p_port->port;
 619         }
 620
 621         __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
 622 }
 623
 624 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
 625 {
 626         if (p_tun->vxlan.b_mode_enabled)
 627                 p_tun->vxlan.b_update_mode = true;
 628         if (p_tun->l2_geneve.b_mode_enabled)
 629                 p_tun->l2_geneve.b_update_mode = true;
 630         if (p_tun->ip_geneve.b_mode_enabled)
 631                 p_tun->ip_geneve.b_update_mode = true;
 632         if (p_tun->l2_gre.b_mode_enabled)
 633                 p_tun->l2_gre.b_update_mode = true;
 634         if (p_tun->ip_gre.b_mode_enabled)
 635                 p_tun->ip_gre.b_update_mode = true;
 636
 637         p_tun->b_update_rx_cls = true;
 638         p_tun->b_update_tx_cls = true;
 639 }
 640
 641 static void
 642 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
 643                            u16 feature_mask, u8 tunn_mode,
 644                            u8 tunn_cls, enum qed_tunn_mode val)
 645 {
 646         if (feature_mask & BIT(val)) {
 647                 p_tun->b_mode_enabled = tunn_mode;
 648                 p_tun->tun_cls = tunn_cls;
 649         } else {
 650                 p_tun->b_mode_enabled = false;
 651         }
 652 }
 653
 654 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
 655                                      struct qed_tunnel_info *p_tun,
 656                                      struct pfvf_update_tunn_param_tlv *p_resp)
 657 {
 658         /* Update mode and classes provided by PF */
 659         u16 feat_mask = p_resp->tunn_feature_mask;
 660
 661         __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
 662                                    p_resp->vxlan_mode, p_resp->vxlan_clss,
 663                                    QED_MODE_VXLAN_TUNN);
 664         __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
 665                                    p_resp->l2geneve_mode,
 666                                    p_resp->l2geneve_clss,
 667                                    QED_MODE_L2GENEVE_TUNN);
 668         __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
 669                                    p_resp->ipgeneve_mode,
 670                                    p_resp->ipgeneve_clss,
 671                                    QED_MODE_IPGENEVE_TUNN);
 672         __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
 673                                    p_resp->l2gre_mode, p_resp->l2gre_clss,
 674                                    QED_MODE_L2GRE_TUNN);
 675         __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
 676                                    p_resp->ipgre_mode, p_resp->ipgre_clss,
 677                                    QED_MODE_IPGRE_TUNN);
 678         p_tun->geneve_port.port = p_resp->geneve_udp_port;
 679         p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
 680
 681         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 682                    "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
 683                    p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
 684                    p_tun->ip_geneve.b_mode_enabled,
 685                    p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
 686 }
 687
 688 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
 689                                   struct qed_tunnel_info *p_src)
 690 {
 691         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
 692         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 693         struct pfvf_update_tunn_param_tlv *p_resp;
 694         struct vfpf_update_tunn_param_tlv *p_req;
 695         int rc;
 696
 697         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
 698                                sizeof(*p_req));
 699
 700         if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
 701                 p_req->update_tun_cls = 1;
 702
 703         qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
 704                                  &p_req->vxlan_clss, &p_src->vxlan_port,
 705                                  &p_req->update_vxlan_port,
 706                                  &p_req->vxlan_port);
 707         qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
 708                                  QED_MODE_L2GENEVE_TUNN,
 709                                  &p_req->l2geneve_clss, &p_src->geneve_port,
 710                                  &p_req->update_geneve_port,
 711                                  &p_req->geneve_port);
 712         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
 713                                    QED_MODE_IPGENEVE_TUNN,
 714                                    &p_req->ipgeneve_clss);
 715         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
 716                                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
 717         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
 718                                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
 719
 720         /* add list termination tlv */
 721         qed_add_tlv(p_hwfn, &p_iov->offset,
 722                     CHANNEL_TLV_LIST_END,
 723                     sizeof(struct channel_list_end_tlv));
 724
 725         p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
 726         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
 727
 728         if (rc)
 729                 goto exit;
 730
 731         if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
 732                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 733                            "Failed to update tunnel parameters\n");
 734                 rc = -EINVAL;
 735         }
 736
 737         qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
 738 exit:
 739         qed_vf_pf_req_end(p_hwfn, rc);
 740         return rc;
 741 }
 742
 743 int
 744 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
 745                     struct qed_queue_cid *p_cid,
 746                     u16 bd_max_bytes,
 747                     dma_addr_t bd_chain_phys_addr,
 748                     dma_addr_t cqe_pbl_addr,
 749                     u16 cqe_pbl_size, void __iomem **pp_prod)
 750 {
 751         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 752         struct pfvf_start_queue_resp_tlv *resp;
 753         struct vfpf_start_rxq_tlv *req;
 754         u8 rx_qid = p_cid->rel.queue_id;
 755         int rc;
 756
 757         /* clear mailbox and prep first tlv */
 758         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
 759
 760         req->rx_qid = rx_qid;
 761         req->cqe_pbl_addr = cqe_pbl_addr;
 762         req->cqe_pbl_size = cqe_pbl_size;
 763         req->rxq_addr = bd_chain_phys_addr;
 764         req->hw_sb = p_cid->sb_igu_id;
 765         req->sb_index = p_cid->sb_idx;
 766         req->bd_max_bytes = bd_max_bytes;
 767         req->stat_id = -1;
 768
 769         /* If PF is legacy, we'll need to calculate producers ourselves
 770          * as well as clean them.
 771          */
 772         if (p_iov->b_pre_fp_hsi) {
 773                 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
 774                 u32 init_prod_val = 0;
 775
 776                 *pp_prod = (u8 __iomem *)
 777                     p_hwfn->regview +
 778                     MSTORM_QZONE_START(p_hwfn->cdev) +
 779                     hw_qid * MSTORM_QZONE_SIZE;
 780
 781                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 782                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 783                                   (u32 *)(&init_prod_val));
 784         }
 785
 786         qed_vf_pf_add_qid(p_hwfn, p_cid);
 787
 788         /* add list termination tlv */
 789         qed_add_tlv(p_hwfn, &p_iov->offset,
 790                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 791
 792         resp = &p_iov->pf2vf_reply->queue_start;
 793         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 794         if (rc)
 795                 goto exit;
 796
 797         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 798                 rc = -EINVAL;
 799                 goto exit;
 800         }
 801
 802         /* Learn the address of the producer from the response */
 803         if (!p_iov->b_pre_fp_hsi) {
 804                 u32 init_prod_val = 0;
 805
 806                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
 807                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 808                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
 809                            rx_qid, *pp_prod, resp->offset);
 810
 811                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 812                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 813                                   (u32 *)&init_prod_val);
 814         }
 815 exit:
 816         qed_vf_pf_req_end(p_hwfn, rc);
 817
 818         return rc;
 819 }
 820
 821 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
 822                        struct qed_queue_cid *p_cid, bool cqe_completion)
 823 {
 824         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 825         struct vfpf_stop_rxqs_tlv *req;
 826         struct pfvf_def_resp_tlv *resp;
 827         int rc;
 828
 829         /* clear mailbox and prep first tlv */
 830         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
 831
 832         req->rx_qid = p_cid->rel.queue_id;
 833         req->num_rxqs = 1;
 834         req->cqe_completion = cqe_completion;
 835
 836         qed_vf_pf_add_qid(p_hwfn, p_cid);
 837
 838         /* add list termination tlv */
 839         qed_add_tlv(p_hwfn, &p_iov->offset,
 840                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 841
 842         resp = &p_iov->pf2vf_reply->default_resp;
 843         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 844         if (rc)
 845                 goto exit;
 846
 847         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 848                 rc = -EINVAL;
 849                 goto exit;
 850         }
 851
 852 exit:
 853         qed_vf_pf_req_end(p_hwfn, rc);
 854
 855         return rc;
 856 }
 857
 858 int
 859 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
 860                     struct qed_queue_cid *p_cid,
 861                     dma_addr_t pbl_addr,
 862                     u16 pbl_size, void __iomem **pp_doorbell)
 863 {
 864         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 865         struct pfvf_start_queue_resp_tlv *resp;
 866         struct vfpf_start_txq_tlv *req;
 867         u16 qid = p_cid->rel.queue_id;
 868         int rc;
 869
 870         /* clear mailbox and prep first tlv */
 871         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
 872
 873         req->tx_qid = qid;
 874
 875         /* Tx */
 876         req->pbl_addr = pbl_addr;
 877         req->pbl_size = pbl_size;
 878         req->hw_sb = p_cid->sb_igu_id;
 879         req->sb_index = p_cid->sb_idx;
 880
 881         qed_vf_pf_add_qid(p_hwfn, p_cid);
 882
 883         /* add list termination tlv */
 884         qed_add_tlv(p_hwfn, &p_iov->offset,
 885                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 886
 887         resp = &p_iov->pf2vf_reply->queue_start;
 888         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 889         if (rc)
 890                 goto exit;
 891
 892         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 893                 rc = -EINVAL;
 894                 goto exit;
 895         }
 896
 897         /* Modern PFs provide the actual offsets, while legacy
 898          * provided only the queue id.
 899          */
 900         if (!p_iov->b_pre_fp_hsi) {
 901                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
 902         } else {
 903                 u8 cid = p_iov->acquire_resp.resc.cid[qid];
 904
 905                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
 906                                              qed_db_addr_vf(cid,
 907                                                             DQ_DEMS_LEGACY);
 908         }
 909
 910         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 911                    "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
 912                    qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
 913 exit:
 914         qed_vf_pf_req_end(p_hwfn, rc);
 915
 916         return rc;
 917 }
 918
 919 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
 920 {
 921         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 922         struct vfpf_stop_txqs_tlv *req;
 923         struct pfvf_def_resp_tlv *resp;
 924         int rc;
 925
 926         /* clear mailbox and prep first tlv */
 927         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
 928
 929         req->tx_qid = p_cid->rel.queue_id;
 930         req->num_txqs = 1;
 931
 932         qed_vf_pf_add_qid(p_hwfn, p_cid);
 933
 934         /* add list termination tlv */
 935         qed_add_tlv(p_hwfn, &p_iov->offset,
 936                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 937
 938         resp = &p_iov->pf2vf_reply->default_resp;
 939         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 940         if (rc)
 941                 goto exit;
 942
 943         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 944                 rc = -EINVAL;
 945                 goto exit;
 946         }
 947
 948 exit:
 949         qed_vf_pf_req_end(p_hwfn, rc);
 950
 951         return rc;
 952 }
 953
 954 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
 955                           u8 vport_id,
 956                           u16 mtu,
 957                           u8 inner_vlan_removal,
 958                           enum qed_tpa_mode tpa_mode,
 959                           u8 max_buffers_per_cqe, u8 only_untagged)
 960 {
 961         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 962         struct vfpf_vport_start_tlv *req;
 963         struct pfvf_def_resp_tlv *resp;
 964         int rc, i;
 965
 966         /* clear mailbox and prep first tlv */
 967         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
 968
 969         req->mtu = mtu;
 970         req->vport_id = vport_id;
 971         req->inner_vlan_removal = inner_vlan_removal;
 972         req->tpa_mode = tpa_mode;
 973         req->max_buffers_per_cqe = max_buffers_per_cqe;
 974         req->only_untagged = only_untagged;
 975
 976         /* status blocks */
 977         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
 978                 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
 979
 980                 if (p_sb)
 981                         req->sb_addr[i] = p_sb->sb_phys;
 982         }
 983
 984         /* add list termination tlv */
 985         qed_add_tlv(p_hwfn, &p_iov->offset,
 986                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 987
 988         resp = &p_iov->pf2vf_reply->default_resp;
 989         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 990         if (rc)
 991                 goto exit;
 992
 993         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 994                 rc = -EINVAL;
 995                 goto exit;
 996         }
 997
 998 exit:
 999         qed_vf_pf_req_end(p_hwfn, rc);
1000
1001         return rc;
1002 }
1003
1004 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
1005 {
1006         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1007         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1008         int rc;
1009
1010         /* clear mailbox and prep first tlv */
1011         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
1012                        sizeof(struct vfpf_first_tlv));
1013
1014         /* add list termination tlv */
1015         qed_add_tlv(p_hwfn, &p_iov->offset,
1016                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1017
1018         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1019         if (rc)
1020                 goto exit;
1021
1022         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1023                 rc = -EINVAL;
1024                 goto exit;
1025         }
1026
1027 exit:
1028         qed_vf_pf_req_end(p_hwfn, rc);
1029
1030         return rc;
1031 }
1032
1033 static bool
1034 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1035                                   struct qed_sp_vport_update_params *p_data,
1036                                   u16 tlv)
1037 {
1038         switch (tlv) {
1039         case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1040                 return !!(p_data->update_vport_active_rx_flg ||
1041                           p_data->update_vport_active_tx_flg);
1042         case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1043                 return !!p_data->update_tx_switching_flg;
1044         case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1045                 return !!p_data->update_inner_vlan_removal_flg;
1046         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1047                 return !!p_data->update_accept_any_vlan_flg;
1048         case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1049                 return !!p_data->update_approx_mcast_flg;
1050         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1051                 return !!(p_data->accept_flags.update_rx_mode_config ||
1052                           p_data->accept_flags.update_tx_mode_config);
1053         case CHANNEL_TLV_VPORT_UPDATE_RSS:
1054                 return !!p_data->rss_params;
1055         case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1056                 return !!p_data->sge_tpa_params;
1057         default:
1058                 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1059                         tlv);
1060                 return false;
1061         }
1062 }
1063
1064 static void
1065 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1066                                   struct qed_sp_vport_update_params *p_data)
1067 {
1068         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1069         struct pfvf_def_resp_tlv *p_resp;
1070         u16 tlv;
1071
1072         for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1073              tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1074                 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1075                         continue;
1076
1077                 p_resp = (struct pfvf_def_resp_tlv *)
1078                          qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1079                                                   tlv);
1080                 if (p_resp && p_resp->hdr.status)
1081                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1082                                    "TLV[%d] Configuration %s\n",
1083                                    tlv,
1084                                    (p_resp && p_resp->hdr.status) ? "succeeded"
1085                                                                   : "failed");
1086         }
1087 }
1088
1089 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1090                            struct qed_sp_vport_update_params *p_params)
1091 {
1092         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1093         struct vfpf_vport_update_tlv *req;
1094         struct pfvf_def_resp_tlv *resp;
1095         u8 update_rx, update_tx;
1096         u32 resp_size = 0;
1097         u16 size, tlv;
1098         int rc;
1099
1100         resp = &p_iov->pf2vf_reply->default_resp;
1101         resp_size = sizeof(*resp);
1102
1103         update_rx = p_params->update_vport_active_rx_flg;
1104         update_tx = p_params->update_vport_active_tx_flg;
1105
1106         /* clear mailbox and prep header tlv */
1107         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1108
1109         /* Prepare extended tlvs */
1110         if (update_rx || update_tx) {
1111                 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1112
1113                 size = sizeof(struct vfpf_vport_update_activate_tlv);
1114                 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1115                                         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1116                                         size);
1117                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1118
1119                 if (update_rx) {
1120                         p_act_tlv->update_rx = update_rx;
1121                         p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1122                 }
1123
1124                 if (update_tx) {
1125                         p_act_tlv->update_tx = update_tx;
1126                         p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1127                 }
1128         }
1129
1130         if (p_params->update_tx_switching_flg) {
1131                 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1132
1133                 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1134                 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1135                 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1136                                               tlv, size);
1137                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1138
1139                 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1140         }
1141
1142         if (p_params->update_approx_mcast_flg) {
1143                 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1144
1145                 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1146                 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1147                                           CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1148                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1149
1150                 memcpy(p_mcast_tlv->bins, p_params->bins,
1151                        sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1152         }
1153
1154         update_rx = p_params->accept_flags.update_rx_mode_config;
1155         update_tx = p_params->accept_flags.update_tx_mode_config;
1156
1157         if (update_rx || update_tx) {
1158                 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1159
1160                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1161                 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1162                 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1163                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1164
1165                 if (update_rx) {
1166                         p_accept_tlv->update_rx_mode = update_rx;
1167                         p_accept_tlv->rx_accept_filter =
1168                             p_params->accept_flags.rx_accept_filter;
1169                 }
1170
1171                 if (update_tx) {
1172                         p_accept_tlv->update_tx_mode = update_tx;
1173                         p_accept_tlv->tx_accept_filter =
1174                             p_params->accept_flags.tx_accept_filter;
1175                 }
1176         }
1177
1178         if (p_params->rss_params) {
1179                 struct qed_rss_params *rss_params = p_params->rss_params;
1180                 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1181                 int i, table_size;
1182
1183                 size = sizeof(struct vfpf_vport_update_rss_tlv);
1184                 p_rss_tlv = qed_add_tlv(p_hwfn,
1185                                         &p_iov->offset,
1186                                         CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1187                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1188
1189                 if (rss_params->update_rss_config)
1190                         p_rss_tlv->update_rss_flags |=
1191                             VFPF_UPDATE_RSS_CONFIG_FLAG;
1192                 if (rss_params->update_rss_capabilities)
1193                         p_rss_tlv->update_rss_flags |=
1194                             VFPF_UPDATE_RSS_CAPS_FLAG;
1195                 if (rss_params->update_rss_ind_table)
1196                         p_rss_tlv->update_rss_flags |=
1197                             VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1198                 if (rss_params->update_rss_key)
1199                         p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1200
1201                 p_rss_tlv->rss_enable = rss_params->rss_enable;
1202                 p_rss_tlv->rss_caps = rss_params->rss_caps;
1203                 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1204
1205                 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1206                                    1 << p_rss_tlv->rss_table_size_log);
1207                 for (i = 0; i < table_size; i++) {
1208                         struct qed_queue_cid *p_queue;
1209
1210                         p_queue = rss_params->rss_ind_table[i];
1211                         p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1212                 }
1213                 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1214                        sizeof(rss_params->rss_key));
1215         }
1216
1217         if (p_params->update_accept_any_vlan_flg) {
1218                 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1219
1220                 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1221                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1222                 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1223
1224                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1225                 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1226                 p_any_vlan_tlv->update_accept_any_vlan_flg =
1227                     p_params->update_accept_any_vlan_flg;
1228         }
1229
1230         /* add list termination tlv */
1231         qed_add_tlv(p_hwfn, &p_iov->offset,
1232                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1233
1234         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1235         if (rc)
1236                 goto exit;
1237
1238         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1239                 rc = -EINVAL;
1240                 goto exit;
1241         }
1242
1243         qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1244
1245 exit:
1246         qed_vf_pf_req_end(p_hwfn, rc);
1247
1248         return rc;
1249 }
1250
1251 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1252 {
1253         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1254         struct pfvf_def_resp_tlv *resp;
1255         struct vfpf_first_tlv *req;
1256         int rc;
1257
1258         /* clear mailbox and prep first tlv */
1259         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1260
1261         /* add list termination tlv */
1262         qed_add_tlv(p_hwfn, &p_iov->offset,
1263                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1264
1265         resp = &p_iov->pf2vf_reply->default_resp;
1266         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1267         if (rc)
1268                 goto exit;
1269
1270         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1271                 rc = -EAGAIN;
1272                 goto exit;
1273         }
1274
1275         p_hwfn->b_int_enabled = 0;
1276
1277 exit:
1278         qed_vf_pf_req_end(p_hwfn, rc);
1279
1280         return rc;
1281 }
1282
1283 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1284                             struct qed_filter_mcast *p_filter_cmd)
1285 {
1286         struct qed_sp_vport_update_params sp_params;
1287         int i;
1288
1289         memset(&sp_params, 0, sizeof(sp_params));
1290         sp_params.update_approx_mcast_flg = 1;
1291
1292         if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1293                 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1294                         u32 bit;
1295
1296                         bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1297                         sp_params.bins[bit / 32] |= 1 << (bit % 32);
1298                 }
1299         }
1300
1301         qed_vf_pf_vport_update(p_hwfn, &sp_params);
1302 }
1303
1304 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1305                            struct qed_filter_ucast *p_ucast)
1306 {
1307         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1308         struct vfpf_ucast_filter_tlv *req;
1309         struct pfvf_def_resp_tlv *resp;
1310         int rc;
1311
1312         /* clear mailbox and prep first tlv */
1313         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1314         req->opcode = (u8) p_ucast->opcode;
1315         req->type = (u8) p_ucast->type;
1316         memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1317         req->vlan = p_ucast->vlan;
1318
1319         /* add list termination tlv */
1320         qed_add_tlv(p_hwfn, &p_iov->offset,
1321                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1322
1323         resp = &p_iov->pf2vf_reply->default_resp;
1324         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1325         if (rc)
1326                 goto exit;
1327
1328         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1329                 rc = -EAGAIN;
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_int_cleanup(struct qed_hwfn *p_hwfn)
1340 {
1341         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1342         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1343         int rc;
1344
1345         /* clear mailbox and prep first tlv */
1346         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1347                        sizeof(struct vfpf_first_tlv));
1348
1349         /* add list termination tlv */
1350         qed_add_tlv(p_hwfn, &p_iov->offset,
1351                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1352
1353         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1354         if (rc)
1355                 goto exit;
1356
1357         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1358                 rc = -EINVAL;
1359                 goto exit;
1360         }
1361
1362 exit:
1363         qed_vf_pf_req_end(p_hwfn, rc);
1364
1365         return rc;
1366 }
1367
1368 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1369                            u16 *p_coal, struct qed_queue_cid *p_cid)
1370 {
1371         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1372         struct pfvf_read_coal_resp_tlv *resp;
1373         struct vfpf_read_coal_req_tlv *req;
1374         int rc;
1375
1376         /* clear mailbox and prep header tlv */
1377         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1378         req->qid = p_cid->rel.queue_id;
1379         req->is_rx = p_cid->b_is_rx ? 1 : 0;
1380
1381         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1382                     sizeof(struct channel_list_end_tlv));
1383         resp = &p_iov->pf2vf_reply->read_coal_resp;
1384
1385         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1386         if (rc)
1387                 goto exit;
1388
1389         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1390                 goto exit;
1391
1392         *p_coal = resp->coal;
1393 exit:
1394         qed_vf_pf_req_end(p_hwfn, rc);
1395
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, sizeof(*resp));
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 }