linux/drivers/net/ethernet/qlogic/qed/qed_vf.c
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   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
  39static 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
  73static 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
  84static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
  85{
  86        union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
  87        struct ustorm_trigger_vf_zone trigger;
  88        struct ustorm_vf_zone *zone_data;
  89        int rc = 0, time = 100;
  90
  91        zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
  92
  93        /* output tlvs list */
  94        qed_dp_tlv_list(p_hwfn, p_req);
  95
  96        /* need to add the END TLV to the message size */
  97        resp_size += sizeof(struct channel_list_end_tlv);
  98
  99        /* Send TLVs over HW channel */
 100        memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
 101        trigger.vf_pf_msg_valid = 1;
 102
 103        DP_VERBOSE(p_hwfn,
 104                   QED_MSG_IOV,
 105                   "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
 106                   GET_FIELD(p_hwfn->hw_info.concrete_fid,
 107                             PXP_CONCRETE_FID_PFID),
 108                   upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 109                   lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
 110                   &zone_data->non_trigger.vf_pf_msg_addr,
 111                   *((u32 *)&trigger), &zone_data->trigger);
 112
 113        REG_WR(p_hwfn,
 114               (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
 115               lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 116
 117        REG_WR(p_hwfn,
 118               (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
 119               upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
 120
 121        /* The message data must be written first, to prevent trigger before
 122         * data is written.
 123         */
 124        wmb();
 125
 126        REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
 127
 128        /* When PF would be done with the response, it would write back to the
 129         * `done' address. Poll until then.
 130         */
 131        while ((!*done) && time) {
 132                msleep(25);
 133                time--;
 134        }
 135
 136        if (!*done) {
 137                DP_NOTICE(p_hwfn,
 138                          "VF <-- PF Timeout [Type %d]\n",
 139                          p_req->first_tlv.tl.type);
 140                rc = -EBUSY;
 141        } else {
 142                if ((*done != PFVF_STATUS_SUCCESS) &&
 143                    (*done != PFVF_STATUS_NO_RESOURCE))
 144                        DP_NOTICE(p_hwfn,
 145                                  "PF response: %d [Type %d]\n",
 146                                  *done, p_req->first_tlv.tl.type);
 147                else
 148                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 149                                   "PF response: %d [Type %d]\n",
 150                                   *done, p_req->first_tlv.tl.type);
 151        }
 152
 153        return rc;
 154}
 155
 156static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
 157                              struct qed_queue_cid *p_cid)
 158{
 159        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 160        struct vfpf_qid_tlv *p_qid_tlv;
 161
 162        /* Only add QIDs for the queue if it was negotiated with PF */
 163        if (!(p_iov->acquire_resp.pfdev_info.capabilities &
 164              PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 165                return;
 166
 167        p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
 168                                CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
 169        p_qid_tlv->qid = p_cid->qid_usage_idx;
 170}
 171
 172static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
 173{
 174        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 175        struct pfvf_def_resp_tlv *resp;
 176        struct vfpf_first_tlv *req;
 177        u32 size;
 178        int rc;
 179
 180        /* clear mailbox and prep first tlv */
 181        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
 182
 183        /* add list termination tlv */
 184        qed_add_tlv(p_hwfn, &p_iov->offset,
 185                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 186
 187        resp = &p_iov->pf2vf_reply->default_resp;
 188        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 189
 190        if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
 191                rc = -EAGAIN;
 192
 193        qed_vf_pf_req_end(p_hwfn, rc);
 194        if (!b_final)
 195                return rc;
 196
 197        p_hwfn->b_int_enabled = 0;
 198
 199        if (p_iov->vf2pf_request)
 200                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 201                                  sizeof(union vfpf_tlvs),
 202                                  p_iov->vf2pf_request,
 203                                  p_iov->vf2pf_request_phys);
 204        if (p_iov->pf2vf_reply)
 205                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 206                                  sizeof(union pfvf_tlvs),
 207                                  p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
 208
 209        if (p_iov->bulletin.p_virt) {
 210                size = sizeof(struct qed_bulletin_content);
 211                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 212                                  size,
 213                                  p_iov->bulletin.p_virt, p_iov->bulletin.phys);
 214        }
 215
 216        kfree(p_hwfn->vf_iov_info);
 217        p_hwfn->vf_iov_info = NULL;
 218
 219        return rc;
 220}
 221
 222int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
 223{
 224        return _qed_vf_pf_release(p_hwfn, true);
 225}
 226
 227#define VF_ACQUIRE_THRESH 3
 228static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
 229                                          struct vf_pf_resc_request *p_req,
 230                                          struct pf_vf_resc *p_resp)
 231{
 232        DP_VERBOSE(p_hwfn,
 233                   QED_MSG_IOV,
 234                   "PF unwilling to 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",
 235                   p_req->num_rxqs,
 236                   p_resp->num_rxqs,
 237                   p_req->num_rxqs,
 238                   p_resp->num_txqs,
 239                   p_req->num_sbs,
 240                   p_resp->num_sbs,
 241                   p_req->num_mac_filters,
 242                   p_resp->num_mac_filters,
 243                   p_req->num_vlan_filters,
 244                   p_resp->num_vlan_filters,
 245                   p_req->num_mc_filters,
 246                   p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
 247
 248        /* humble our request */
 249        p_req->num_txqs = p_resp->num_txqs;
 250        p_req->num_rxqs = p_resp->num_rxqs;
 251        p_req->num_sbs = p_resp->num_sbs;
 252        p_req->num_mac_filters = p_resp->num_mac_filters;
 253        p_req->num_vlan_filters = p_resp->num_vlan_filters;
 254        p_req->num_mc_filters = p_resp->num_mc_filters;
 255        p_req->num_cids = p_resp->num_cids;
 256}
 257
 258static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
 259{
 260        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 261        struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
 262        struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
 263        struct vf_pf_resc_request *p_resc;
 264        u8 retry_cnt = VF_ACQUIRE_THRESH;
 265        bool resources_acquired = false;
 266        struct vfpf_acquire_tlv *req;
 267        int rc = 0, attempts = 0;
 268
 269        /* clear mailbox and prep first tlv */
 270        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
 271        p_resc = &req->resc_request;
 272
 273        /* starting filling the request */
 274        req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
 275
 276        p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
 277        p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
 278        p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
 279        p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 280        p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 281        p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
 282
 283        req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
 284        req->vfdev_info.fw_major = FW_MAJOR_VERSION;
 285        req->vfdev_info.fw_minor = FW_MINOR_VERSION;
 286        req->vfdev_info.fw_revision = FW_REVISION_VERSION;
 287        req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
 288        req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
 289        req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
 290
 291        /* Fill capability field with any non-deprecated config we support */
 292        req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
 293
 294        /* If we've mapped the doorbell bar, try using queue qids */
 295        if (p_iov->b_doorbell_bar) {
 296                req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
 297                                                VFPF_ACQUIRE_CAP_QUEUE_QIDS;
 298                p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
 299        }
 300
 301        /* pf 2 vf bulletin board address */
 302        req->bulletin_addr = p_iov->bulletin.phys;
 303        req->bulletin_size = p_iov->bulletin.size;
 304
 305        /* add list termination tlv */
 306        qed_add_tlv(p_hwfn, &p_iov->offset,
 307                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 308
 309        while (!resources_acquired) {
 310                DP_VERBOSE(p_hwfn,
 311                           QED_MSG_IOV, "attempting to acquire resources\n");
 312
 313                /* Clear response buffer, as this might be a re-send */
 314                memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
 315
 316                /* send acquire request */
 317                rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 318
 319                /* Re-try acquire in case of vf-pf hw channel timeout */
 320                if (retry_cnt && rc == -EBUSY) {
 321                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 322                                   "VF retrying to acquire due to VPC timeout\n");
 323                        retry_cnt--;
 324                        continue;
 325                }
 326
 327                if (rc)
 328                        goto exit;
 329
 330                /* copy acquire response from buffer to p_hwfn */
 331                memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
 332
 333                attempts++;
 334
 335                if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
 336                        /* PF agrees to allocate our resources */
 337                        if (!(resp->pfdev_info.capabilities &
 338                              PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
 339                                /* It's possible legacy PF mistakenly accepted;
 340                                 * but we don't care - simply mark it as
 341                                 * legacy and continue.
 342                                 */
 343                                req->vfdev_info.capabilities |=
 344                                    VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 345                        }
 346                        DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
 347                        resources_acquired = true;
 348                } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
 349                           attempts < VF_ACQUIRE_THRESH) {
 350                        qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
 351                                                      &resp->resc);
 352                } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
 353                        if (pfdev_info->major_fp_hsi &&
 354                            (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
 355                                DP_NOTICE(p_hwfn,
 356                                          "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
 357                                          pfdev_info->major_fp_hsi,
 358                                          pfdev_info->minor_fp_hsi,
 359                                          ETH_HSI_VER_MAJOR,
 360                                          ETH_HSI_VER_MINOR,
 361                                          pfdev_info->major_fp_hsi);
 362                                rc = -EINVAL;
 363                                goto exit;
 364                        }
 365
 366                        if (!pfdev_info->major_fp_hsi) {
 367                                if (req->vfdev_info.capabilities &
 368                                    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
 369                                        DP_NOTICE(p_hwfn,
 370                                                  "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
 371                                        rc = -EINVAL;
 372                                        goto exit;
 373                                } else {
 374                                        DP_INFO(p_hwfn,
 375                                                "PF is old - try re-acquire to see if it supports FW-version override\n");
 376                                        req->vfdev_info.capabilities |=
 377                                            VFPF_ACQUIRE_CAP_PRE_FP_HSI;
 378                                        continue;
 379                                }
 380                        }
 381
 382                        /* If PF/VF are using same Major, PF must have had
 383                         * it's reasons. Simply fail.
 384                         */
 385                        DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
 386                        rc = -EINVAL;
 387                        goto exit;
 388                } else {
 389                        DP_ERR(p_hwfn,
 390                               "PF returned error %d to VF acquisition request\n",
 391                               resp->hdr.status);
 392                        rc = -EAGAIN;
 393                        goto exit;
 394                }
 395        }
 396
 397        /* Mark the PF as legacy, if needed */
 398        if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
 399                p_iov->b_pre_fp_hsi = true;
 400
 401        /* In case PF doesn't support multi-queue Tx, update the number of
 402         * CIDs to reflect the number of queues [older PFs didn't fill that
 403         * field].
 404         */
 405        if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
 406                resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
 407
 408        /* Update bulletin board size with response from PF */
 409        p_iov->bulletin.size = resp->bulletin_size;
 410
 411        /* get HW info */
 412        p_hwfn->cdev->type = resp->pfdev_info.dev_type;
 413        p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
 414
 415        p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
 416
 417        /* Learn of the possibility of CMT */
 418        if (IS_LEAD_HWFN(p_hwfn)) {
 419                if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
 420                        DP_NOTICE(p_hwfn, "100g VF\n");
 421                        p_hwfn->cdev->num_hwfns = 2;
 422                }
 423        }
 424
 425        if (!p_iov->b_pre_fp_hsi &&
 426            (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
 427                DP_INFO(p_hwfn,
 428                        "PF is using older fastpath HSI; %02x.%02x is configured\n",
 429                        ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
 430        }
 431
 432exit:
 433        qed_vf_pf_req_end(p_hwfn, rc);
 434
 435        return rc;
 436}
 437
 438u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
 439{
 440        u32 bar_size;
 441
 442        /* Regview size is fixed */
 443        if (bar_id == BAR_ID_0)
 444                return 1 << 17;
 445
 446        /* Doorbell is received from PF */
 447        bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
 448        if (bar_size)
 449                return 1 << bar_size;
 450        return 0;
 451}
 452
 453int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
 454{
 455        struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
 456        struct qed_vf_iov *p_iov;
 457        u32 reg;
 458        int rc;
 459
 460        /* Set number of hwfns - might be overriden once leading hwfn learns
 461         * actual configuration from PF.
 462         */
 463        if (IS_LEAD_HWFN(p_hwfn))
 464                p_hwfn->cdev->num_hwfns = 1;
 465
 466        reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
 467        p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
 468
 469        reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
 470        p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
 471
 472        /* Allocate vf sriov info */
 473        p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
 474        if (!p_iov)
 475                return -ENOMEM;
 476
 477        /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
 478         * value, but there are several incompatibily scenarios where that
 479         * would be incorrect and we'd need to override it.
 480         */
 481        if (!p_hwfn->doorbells) {
 482                p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 483                                                  PXP_VF_BAR0_START_DQ;
 484        } else if (p_hwfn == p_lead) {
 485                /* For leading hw-function, value is always correct, but need
 486                 * to handle scenario where legacy PF would not support 100g
 487                 * mapped bars later.
 488                 */
 489                p_iov->b_doorbell_bar = true;
 490        } else {
 491                /* here, value would be correct ONLY if the leading hwfn
 492                 * received indication that mapped-bars are supported.
 493                 */
 494                if (p_lead->vf_iov_info->b_doorbell_bar)
 495                        p_iov->b_doorbell_bar = true;
 496                else
 497                        p_hwfn->doorbells = (u8 __iomem *)
 498                            p_hwfn->regview + PXP_VF_BAR0_START_DQ;
 499        }
 500
 501        /* Allocate vf2pf msg */
 502        p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 503                                                  sizeof(union vfpf_tlvs),
 504                                                  &p_iov->vf2pf_request_phys,
 505                                                  GFP_KERNEL);
 506        if (!p_iov->vf2pf_request)
 507                goto free_p_iov;
 508
 509        p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 510                                                sizeof(union pfvf_tlvs),
 511                                                &p_iov->pf2vf_reply_phys,
 512                                                GFP_KERNEL);
 513        if (!p_iov->pf2vf_reply)
 514                goto free_vf2pf_request;
 515
 516        DP_VERBOSE(p_hwfn,
 517                   QED_MSG_IOV,
 518                   "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
 519                   p_iov->vf2pf_request,
 520                   (u64) p_iov->vf2pf_request_phys,
 521                   p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
 522
 523        /* Allocate Bulletin board */
 524        p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
 525        p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 526                                                    p_iov->bulletin.size,
 527                                                    &p_iov->bulletin.phys,
 528                                                    GFP_KERNEL);
 529        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 530                   "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
 531                   p_iov->bulletin.p_virt,
 532                   (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
 533
 534        mutex_init(&p_iov->mutex);
 535
 536        p_hwfn->vf_iov_info = p_iov;
 537
 538        p_hwfn->hw_info.personality = QED_PCI_ETH;
 539
 540        rc = qed_vf_pf_acquire(p_hwfn);
 541
 542        /* If VF is 100g using a mapped bar and PF is too old to support that,
 543         * acquisition would succeed - but the VF would have no way knowing
 544         * the size of the doorbell bar configured in HW and thus will not
 545         * know how to split it for 2nd hw-function.
 546         * In this case we re-try without the indication of the mapped
 547         * doorbell.
 548         */
 549        if (!rc && p_iov->b_doorbell_bar &&
 550            !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
 551            (p_hwfn->cdev->num_hwfns > 1)) {
 552                rc = _qed_vf_pf_release(p_hwfn, false);
 553                if (rc)
 554                        return rc;
 555
 556                p_iov->b_doorbell_bar = false;
 557                p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
 558                                                  PXP_VF_BAR0_START_DQ;
 559                rc = qed_vf_pf_acquire(p_hwfn);
 560        }
 561
 562        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 563                   "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
 564                   p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
 565
 566        return rc;
 567
 568free_vf2pf_request:
 569        dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 570                          sizeof(union vfpf_tlvs),
 571                          p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
 572free_p_iov:
 573        kfree(p_iov);
 574
 575        return -ENOMEM;
 576}
 577#define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
 578#define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
 579                                   (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
 580
 581static void
 582__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 583                           struct qed_tunn_update_type *p_src,
 584                           enum qed_tunn_mode mask, u8 *p_cls)
 585{
 586        if (p_src->b_update_mode) {
 587                p_req->tun_mode_update_mask |= BIT(mask);
 588
 589                if (p_src->b_mode_enabled)
 590                        p_req->tunn_mode |= BIT(mask);
 591        }
 592
 593        *p_cls = p_src->tun_cls;
 594}
 595
 596static void
 597qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
 598                         struct qed_tunn_update_type *p_src,
 599                         enum qed_tunn_mode mask,
 600                         u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
 601                         u8 *p_update_port, u16 *p_udp_port)
 602{
 603        if (p_port->b_update_port) {
 604                *p_update_port = 1;
 605                *p_udp_port = p_port->port;
 606        }
 607
 608        __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
 609}
 610
 611void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
 612{
 613        if (p_tun->vxlan.b_mode_enabled)
 614                p_tun->vxlan.b_update_mode = true;
 615        if (p_tun->l2_geneve.b_mode_enabled)
 616                p_tun->l2_geneve.b_update_mode = true;
 617        if (p_tun->ip_geneve.b_mode_enabled)
 618                p_tun->ip_geneve.b_update_mode = true;
 619        if (p_tun->l2_gre.b_mode_enabled)
 620                p_tun->l2_gre.b_update_mode = true;
 621        if (p_tun->ip_gre.b_mode_enabled)
 622                p_tun->ip_gre.b_update_mode = true;
 623
 624        p_tun->b_update_rx_cls = true;
 625        p_tun->b_update_tx_cls = true;
 626}
 627
 628static void
 629__qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
 630                           u16 feature_mask, u8 tunn_mode,
 631                           u8 tunn_cls, enum qed_tunn_mode val)
 632{
 633        if (feature_mask & BIT(val)) {
 634                p_tun->b_mode_enabled = tunn_mode;
 635                p_tun->tun_cls = tunn_cls;
 636        } else {
 637                p_tun->b_mode_enabled = false;
 638        }
 639}
 640
 641static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
 642                                     struct qed_tunnel_info *p_tun,
 643                                     struct pfvf_update_tunn_param_tlv *p_resp)
 644{
 645        /* Update mode and classes provided by PF */
 646        u16 feat_mask = p_resp->tunn_feature_mask;
 647
 648        __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
 649                                   p_resp->vxlan_mode, p_resp->vxlan_clss,
 650                                   QED_MODE_VXLAN_TUNN);
 651        __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
 652                                   p_resp->l2geneve_mode,
 653                                   p_resp->l2geneve_clss,
 654                                   QED_MODE_L2GENEVE_TUNN);
 655        __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
 656                                   p_resp->ipgeneve_mode,
 657                                   p_resp->ipgeneve_clss,
 658                                   QED_MODE_IPGENEVE_TUNN);
 659        __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
 660                                   p_resp->l2gre_mode, p_resp->l2gre_clss,
 661                                   QED_MODE_L2GRE_TUNN);
 662        __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
 663                                   p_resp->ipgre_mode, p_resp->ipgre_clss,
 664                                   QED_MODE_IPGRE_TUNN);
 665        p_tun->geneve_port.port = p_resp->geneve_udp_port;
 666        p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
 667
 668        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 669                   "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
 670                   p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
 671                   p_tun->ip_geneve.b_mode_enabled,
 672                   p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
 673}
 674
 675int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
 676                                  struct qed_tunnel_info *p_src)
 677{
 678        struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
 679        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 680        struct pfvf_update_tunn_param_tlv *p_resp;
 681        struct vfpf_update_tunn_param_tlv *p_req;
 682        int rc;
 683
 684        p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
 685                               sizeof(*p_req));
 686
 687        if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
 688                p_req->update_tun_cls = 1;
 689
 690        qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
 691                                 &p_req->vxlan_clss, &p_src->vxlan_port,
 692                                 &p_req->update_vxlan_port,
 693                                 &p_req->vxlan_port);
 694        qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
 695                                 QED_MODE_L2GENEVE_TUNN,
 696                                 &p_req->l2geneve_clss, &p_src->geneve_port,
 697                                 &p_req->update_geneve_port,
 698                                 &p_req->geneve_port);
 699        __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
 700                                   QED_MODE_IPGENEVE_TUNN,
 701                                   &p_req->ipgeneve_clss);
 702        __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
 703                                   QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
 704        __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
 705                                   QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
 706
 707        /* add list termination tlv */
 708        qed_add_tlv(p_hwfn, &p_iov->offset,
 709                    CHANNEL_TLV_LIST_END,
 710                    sizeof(struct channel_list_end_tlv));
 711
 712        p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
 713        rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
 714
 715        if (rc)
 716                goto exit;
 717
 718        if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
 719                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 720                           "Failed to update tunnel parameters\n");
 721                rc = -EINVAL;
 722        }
 723
 724        qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
 725exit:
 726        qed_vf_pf_req_end(p_hwfn, rc);
 727        return rc;
 728}
 729
 730int
 731qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
 732                    struct qed_queue_cid *p_cid,
 733                    u16 bd_max_bytes,
 734                    dma_addr_t bd_chain_phys_addr,
 735                    dma_addr_t cqe_pbl_addr,
 736                    u16 cqe_pbl_size, void __iomem **pp_prod)
 737{
 738        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 739        struct pfvf_start_queue_resp_tlv *resp;
 740        struct vfpf_start_rxq_tlv *req;
 741        u8 rx_qid = p_cid->rel.queue_id;
 742        int rc;
 743
 744        /* clear mailbox and prep first tlv */
 745        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
 746
 747        req->rx_qid = rx_qid;
 748        req->cqe_pbl_addr = cqe_pbl_addr;
 749        req->cqe_pbl_size = cqe_pbl_size;
 750        req->rxq_addr = bd_chain_phys_addr;
 751        req->hw_sb = p_cid->sb_igu_id;
 752        req->sb_index = p_cid->sb_idx;
 753        req->bd_max_bytes = bd_max_bytes;
 754        req->stat_id = -1;
 755
 756        /* If PF is legacy, we'll need to calculate producers ourselves
 757         * as well as clean them.
 758         */
 759        if (p_iov->b_pre_fp_hsi) {
 760                u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
 761                u32 init_prod_val = 0;
 762
 763                *pp_prod = (u8 __iomem *)
 764                    p_hwfn->regview +
 765                    MSTORM_QZONE_START(p_hwfn->cdev) +
 766                    hw_qid * MSTORM_QZONE_SIZE;
 767
 768                /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 769                __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 770                                  (u32 *)(&init_prod_val));
 771        }
 772
 773        qed_vf_pf_add_qid(p_hwfn, p_cid);
 774
 775        /* add list termination tlv */
 776        qed_add_tlv(p_hwfn, &p_iov->offset,
 777                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 778
 779        resp = &p_iov->pf2vf_reply->queue_start;
 780        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 781        if (rc)
 782                goto exit;
 783
 784        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 785                rc = -EINVAL;
 786                goto exit;
 787        }
 788
 789        /* Learn the address of the producer from the response */
 790        if (!p_iov->b_pre_fp_hsi) {
 791                u32 init_prod_val = 0;
 792
 793                *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
 794                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 795                           "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
 796                           rx_qid, *pp_prod, resp->offset);
 797
 798                /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
 799                __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
 800                                  (u32 *)&init_prod_val);
 801        }
 802exit:
 803        qed_vf_pf_req_end(p_hwfn, rc);
 804
 805        return rc;
 806}
 807
 808int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
 809                       struct qed_queue_cid *p_cid, bool cqe_completion)
 810{
 811        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 812        struct vfpf_stop_rxqs_tlv *req;
 813        struct pfvf_def_resp_tlv *resp;
 814        int rc;
 815
 816        /* clear mailbox and prep first tlv */
 817        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
 818
 819        req->rx_qid = p_cid->rel.queue_id;
 820        req->num_rxqs = 1;
 821        req->cqe_completion = cqe_completion;
 822
 823        qed_vf_pf_add_qid(p_hwfn, p_cid);
 824
 825        /* add list termination tlv */
 826        qed_add_tlv(p_hwfn, &p_iov->offset,
 827                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 828
 829        resp = &p_iov->pf2vf_reply->default_resp;
 830        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 831        if (rc)
 832                goto exit;
 833
 834        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 835                rc = -EINVAL;
 836                goto exit;
 837        }
 838
 839exit:
 840        qed_vf_pf_req_end(p_hwfn, rc);
 841
 842        return rc;
 843}
 844
 845int
 846qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
 847                    struct qed_queue_cid *p_cid,
 848                    dma_addr_t pbl_addr,
 849                    u16 pbl_size, void __iomem **pp_doorbell)
 850{
 851        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 852        struct pfvf_start_queue_resp_tlv *resp;
 853        struct vfpf_start_txq_tlv *req;
 854        u16 qid = p_cid->rel.queue_id;
 855        int rc;
 856
 857        /* clear mailbox and prep first tlv */
 858        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
 859
 860        req->tx_qid = qid;
 861
 862        /* Tx */
 863        req->pbl_addr = pbl_addr;
 864        req->pbl_size = pbl_size;
 865        req->hw_sb = p_cid->sb_igu_id;
 866        req->sb_index = p_cid->sb_idx;
 867
 868        qed_vf_pf_add_qid(p_hwfn, p_cid);
 869
 870        /* add list termination tlv */
 871        qed_add_tlv(p_hwfn, &p_iov->offset,
 872                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 873
 874        resp = &p_iov->pf2vf_reply->queue_start;
 875        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 876        if (rc)
 877                goto exit;
 878
 879        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 880                rc = -EINVAL;
 881                goto exit;
 882        }
 883
 884        /* Modern PFs provide the actual offsets, while legacy
 885         * provided only the queue id.
 886         */
 887        if (!p_iov->b_pre_fp_hsi) {
 888                *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
 889        } else {
 890                u8 cid = p_iov->acquire_resp.resc.cid[qid];
 891
 892                *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
 893                                             qed_db_addr_vf(cid,
 894                                                            DQ_DEMS_LEGACY);
 895        }
 896
 897        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 898                   "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
 899                   qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
 900exit:
 901        qed_vf_pf_req_end(p_hwfn, rc);
 902
 903        return rc;
 904}
 905
 906int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
 907{
 908        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 909        struct vfpf_stop_txqs_tlv *req;
 910        struct pfvf_def_resp_tlv *resp;
 911        int rc;
 912
 913        /* clear mailbox and prep first tlv */
 914        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
 915
 916        req->tx_qid = p_cid->rel.queue_id;
 917        req->num_txqs = 1;
 918
 919        qed_vf_pf_add_qid(p_hwfn, p_cid);
 920
 921        /* add list termination tlv */
 922        qed_add_tlv(p_hwfn, &p_iov->offset,
 923                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 924
 925        resp = &p_iov->pf2vf_reply->default_resp;
 926        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 927        if (rc)
 928                goto exit;
 929
 930        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 931                rc = -EINVAL;
 932                goto exit;
 933        }
 934
 935exit:
 936        qed_vf_pf_req_end(p_hwfn, rc);
 937
 938        return rc;
 939}
 940
 941int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
 942                          u8 vport_id,
 943                          u16 mtu,
 944                          u8 inner_vlan_removal,
 945                          enum qed_tpa_mode tpa_mode,
 946                          u8 max_buffers_per_cqe, u8 only_untagged)
 947{
 948        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 949        struct vfpf_vport_start_tlv *req;
 950        struct pfvf_def_resp_tlv *resp;
 951        int rc, i;
 952
 953        /* clear mailbox and prep first tlv */
 954        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
 955
 956        req->mtu = mtu;
 957        req->vport_id = vport_id;
 958        req->inner_vlan_removal = inner_vlan_removal;
 959        req->tpa_mode = tpa_mode;
 960        req->max_buffers_per_cqe = max_buffers_per_cqe;
 961        req->only_untagged = only_untagged;
 962
 963        /* status blocks */
 964        for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
 965                struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
 966
 967                if (p_sb)
 968                        req->sb_addr[i] = p_sb->sb_phys;
 969        }
 970
 971        /* add list termination tlv */
 972        qed_add_tlv(p_hwfn, &p_iov->offset,
 973                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
 974
 975        resp = &p_iov->pf2vf_reply->default_resp;
 976        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
 977        if (rc)
 978                goto exit;
 979
 980        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
 981                rc = -EINVAL;
 982                goto exit;
 983        }
 984
 985exit:
 986        qed_vf_pf_req_end(p_hwfn, rc);
 987
 988        return rc;
 989}
 990
 991int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
 992{
 993        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
 994        struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
 995        int rc;
 996
 997        /* clear mailbox and prep first tlv */
 998        qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
 999                       sizeof(struct vfpf_first_tlv));
1000
1001        /* add list termination tlv */
1002        qed_add_tlv(p_hwfn, &p_iov->offset,
1003                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1004
1005        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1006        if (rc)
1007                goto exit;
1008
1009        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1010                rc = -EINVAL;
1011                goto exit;
1012        }
1013
1014exit:
1015        qed_vf_pf_req_end(p_hwfn, rc);
1016
1017        return rc;
1018}
1019
1020static bool
1021qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1022                                  struct qed_sp_vport_update_params *p_data,
1023                                  u16 tlv)
1024{
1025        switch (tlv) {
1026        case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1027                return !!(p_data->update_vport_active_rx_flg ||
1028                          p_data->update_vport_active_tx_flg);
1029        case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1030                return !!p_data->update_tx_switching_flg;
1031        case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1032                return !!p_data->update_inner_vlan_removal_flg;
1033        case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1034                return !!p_data->update_accept_any_vlan_flg;
1035        case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1036                return !!p_data->update_approx_mcast_flg;
1037        case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1038                return !!(p_data->accept_flags.update_rx_mode_config ||
1039                          p_data->accept_flags.update_tx_mode_config);
1040        case CHANNEL_TLV_VPORT_UPDATE_RSS:
1041                return !!p_data->rss_params;
1042        case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1043                return !!p_data->sge_tpa_params;
1044        default:
1045                DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1046                        tlv);
1047                return false;
1048        }
1049}
1050
1051static void
1052qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1053                                  struct qed_sp_vport_update_params *p_data)
1054{
1055        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1056        struct pfvf_def_resp_tlv *p_resp;
1057        u16 tlv;
1058
1059        for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1060             tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1061                if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1062                        continue;
1063
1064                p_resp = (struct pfvf_def_resp_tlv *)
1065                         qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1066                                                  tlv);
1067                if (p_resp && p_resp->hdr.status)
1068                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1069                                   "TLV[%d] Configuration %s\n",
1070                                   tlv,
1071                                   (p_resp && p_resp->hdr.status) ? "succeeded"
1072                                                                  : "failed");
1073        }
1074}
1075
1076int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1077                           struct qed_sp_vport_update_params *p_params)
1078{
1079        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1080        struct vfpf_vport_update_tlv *req;
1081        struct pfvf_def_resp_tlv *resp;
1082        u8 update_rx, update_tx;
1083        u32 resp_size = 0;
1084        u16 size, tlv;
1085        int rc;
1086
1087        resp = &p_iov->pf2vf_reply->default_resp;
1088        resp_size = sizeof(*resp);
1089
1090        update_rx = p_params->update_vport_active_rx_flg;
1091        update_tx = p_params->update_vport_active_tx_flg;
1092
1093        /* clear mailbox and prep header tlv */
1094        qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1095
1096        /* Prepare extended tlvs */
1097        if (update_rx || update_tx) {
1098                struct vfpf_vport_update_activate_tlv *p_act_tlv;
1099
1100                size = sizeof(struct vfpf_vport_update_activate_tlv);
1101                p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1102                                        CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1103                                        size);
1104                resp_size += sizeof(struct pfvf_def_resp_tlv);
1105
1106                if (update_rx) {
1107                        p_act_tlv->update_rx = update_rx;
1108                        p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1109                }
1110
1111                if (update_tx) {
1112                        p_act_tlv->update_tx = update_tx;
1113                        p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1114                }
1115        }
1116
1117        if (p_params->update_tx_switching_flg) {
1118                struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1119
1120                size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1121                tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1122                p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1123                                              tlv, size);
1124                resp_size += sizeof(struct pfvf_def_resp_tlv);
1125
1126                p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1127        }
1128
1129        if (p_params->update_approx_mcast_flg) {
1130                struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1131
1132                size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1133                p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1134                                          CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1135                resp_size += sizeof(struct pfvf_def_resp_tlv);
1136
1137                memcpy(p_mcast_tlv->bins, p_params->bins,
1138                       sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1139        }
1140
1141        update_rx = p_params->accept_flags.update_rx_mode_config;
1142        update_tx = p_params->accept_flags.update_tx_mode_config;
1143
1144        if (update_rx || update_tx) {
1145                struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1146
1147                tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1148                size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1149                p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1150                resp_size += sizeof(struct pfvf_def_resp_tlv);
1151
1152                if (update_rx) {
1153                        p_accept_tlv->update_rx_mode = update_rx;
1154                        p_accept_tlv->rx_accept_filter =
1155                            p_params->accept_flags.rx_accept_filter;
1156                }
1157
1158                if (update_tx) {
1159                        p_accept_tlv->update_tx_mode = update_tx;
1160                        p_accept_tlv->tx_accept_filter =
1161                            p_params->accept_flags.tx_accept_filter;
1162                }
1163        }
1164
1165        if (p_params->rss_params) {
1166                struct qed_rss_params *rss_params = p_params->rss_params;
1167                struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1168                int i, table_size;
1169
1170                size = sizeof(struct vfpf_vport_update_rss_tlv);
1171                p_rss_tlv = qed_add_tlv(p_hwfn,
1172                                        &p_iov->offset,
1173                                        CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1174                resp_size += sizeof(struct pfvf_def_resp_tlv);
1175
1176                if (rss_params->update_rss_config)
1177                        p_rss_tlv->update_rss_flags |=
1178                            VFPF_UPDATE_RSS_CONFIG_FLAG;
1179                if (rss_params->update_rss_capabilities)
1180                        p_rss_tlv->update_rss_flags |=
1181                            VFPF_UPDATE_RSS_CAPS_FLAG;
1182                if (rss_params->update_rss_ind_table)
1183                        p_rss_tlv->update_rss_flags |=
1184                            VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1185                if (rss_params->update_rss_key)
1186                        p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1187
1188                p_rss_tlv->rss_enable = rss_params->rss_enable;
1189                p_rss_tlv->rss_caps = rss_params->rss_caps;
1190                p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1191
1192                table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1193                                   1 << p_rss_tlv->rss_table_size_log);
1194                for (i = 0; i < table_size; i++) {
1195                        struct qed_queue_cid *p_queue;
1196
1197                        p_queue = rss_params->rss_ind_table[i];
1198                        p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1199                }
1200                memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1201                       sizeof(rss_params->rss_key));
1202        }
1203
1204        if (p_params->update_accept_any_vlan_flg) {
1205                struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1206
1207                size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1208                tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1209                p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1210
1211                resp_size += sizeof(struct pfvf_def_resp_tlv);
1212                p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1213                p_any_vlan_tlv->update_accept_any_vlan_flg =
1214                    p_params->update_accept_any_vlan_flg;
1215        }
1216
1217        /* add list termination tlv */
1218        qed_add_tlv(p_hwfn, &p_iov->offset,
1219                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1220
1221        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1222        if (rc)
1223                goto exit;
1224
1225        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1226                rc = -EINVAL;
1227                goto exit;
1228        }
1229
1230        qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1231
1232exit:
1233        qed_vf_pf_req_end(p_hwfn, rc);
1234
1235        return rc;
1236}
1237
1238int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1239{
1240        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1241        struct pfvf_def_resp_tlv *resp;
1242        struct vfpf_first_tlv *req;
1243        int rc;
1244
1245        /* clear mailbox and prep first tlv */
1246        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1247
1248        /* add list termination tlv */
1249        qed_add_tlv(p_hwfn, &p_iov->offset,
1250                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1251
1252        resp = &p_iov->pf2vf_reply->default_resp;
1253        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1254        if (rc)
1255                goto exit;
1256
1257        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1258                rc = -EAGAIN;
1259                goto exit;
1260        }
1261
1262        p_hwfn->b_int_enabled = 0;
1263
1264exit:
1265        qed_vf_pf_req_end(p_hwfn, rc);
1266
1267        return rc;
1268}
1269
1270void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1271                            struct qed_filter_mcast *p_filter_cmd)
1272{
1273        struct qed_sp_vport_update_params sp_params;
1274        int i;
1275
1276        memset(&sp_params, 0, sizeof(sp_params));
1277        sp_params.update_approx_mcast_flg = 1;
1278
1279        if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1280                for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1281                        u32 bit;
1282
1283                        bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1284                        sp_params.bins[bit / 32] |= 1 << (bit % 32);
1285                }
1286        }
1287
1288        qed_vf_pf_vport_update(p_hwfn, &sp_params);
1289}
1290
1291int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1292                           struct qed_filter_ucast *p_ucast)
1293{
1294        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1295        struct vfpf_ucast_filter_tlv *req;
1296        struct pfvf_def_resp_tlv *resp;
1297        int rc;
1298
1299        /* clear mailbox and prep first tlv */
1300        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1301        req->opcode = (u8) p_ucast->opcode;
1302        req->type = (u8) p_ucast->type;
1303        memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1304        req->vlan = p_ucast->vlan;
1305
1306        /* add list termination tlv */
1307        qed_add_tlv(p_hwfn, &p_iov->offset,
1308                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1309
1310        resp = &p_iov->pf2vf_reply->default_resp;
1311        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1312        if (rc)
1313                goto exit;
1314
1315        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1316                rc = -EAGAIN;
1317                goto exit;
1318        }
1319
1320exit:
1321        qed_vf_pf_req_end(p_hwfn, rc);
1322
1323        return rc;
1324}
1325
1326int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1327{
1328        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1329        struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1330        int rc;
1331
1332        /* clear mailbox and prep first tlv */
1333        qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1334                       sizeof(struct vfpf_first_tlv));
1335
1336        /* add list termination tlv */
1337        qed_add_tlv(p_hwfn, &p_iov->offset,
1338                    CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1339
1340        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1341        if (rc)
1342                goto exit;
1343
1344        if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1345                rc = -EINVAL;
1346                goto exit;
1347        }
1348
1349exit:
1350        qed_vf_pf_req_end(p_hwfn, rc);
1351
1352        return rc;
1353}
1354
1355int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1356                           u16 *p_coal, struct qed_queue_cid *p_cid)
1357{
1358        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1359        struct pfvf_read_coal_resp_tlv *resp;
1360        struct vfpf_read_coal_req_tlv *req;
1361        int rc;
1362
1363        /* clear mailbox and prep header tlv */
1364        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1365        req->qid = p_cid->rel.queue_id;
1366        req->is_rx = p_cid->b_is_rx ? 1 : 0;
1367
1368        qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1369                    sizeof(struct channel_list_end_tlv));
1370        resp = &p_iov->pf2vf_reply->read_coal_resp;
1371
1372        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1373        if (rc)
1374                goto exit;
1375
1376        if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1377                goto exit;
1378
1379        *p_coal = resp->coal;
1380exit:
1381        qed_vf_pf_req_end(p_hwfn, rc);
1382
1383        return rc;
1384}
1385
1386int
1387qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1388                              u8 *p_mac)
1389{
1390        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1391        struct vfpf_bulletin_update_mac_tlv *p_req;
1392        struct pfvf_def_resp_tlv *p_resp;
1393        int rc;
1394
1395        if (!p_mac)
1396                return -EINVAL;
1397
1398        /* clear mailbox and prep header tlv */
1399        p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1400                               sizeof(*p_req));
1401        ether_addr_copy(p_req->mac, p_mac);
1402        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1403                   "Requesting bulletin update for MAC[%pM]\n", p_mac);
1404
1405        /* add list termination tlv */
1406        qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1407                    sizeof(struct channel_list_end_tlv));
1408
1409        p_resp = &p_iov->pf2vf_reply->default_resp;
1410        rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1411        qed_vf_pf_req_end(p_hwfn, rc);
1412        return rc;
1413}
1414
1415int
1416qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1417                       u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1418{
1419        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1420        struct vfpf_update_coalesce *req;
1421        struct pfvf_def_resp_tlv *resp;
1422        int rc;
1423
1424        /* clear mailbox and prep header tlv */
1425        req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1426
1427        req->rx_coal = rx_coal;
1428        req->tx_coal = tx_coal;
1429        req->qid = p_cid->rel.queue_id;
1430
1431        DP_VERBOSE(p_hwfn,
1432                   QED_MSG_IOV,
1433                   "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1434                   rx_coal, tx_coal, req->qid);
1435
1436        /* add list termination tlv */
1437        qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1438                    sizeof(struct channel_list_end_tlv));
1439
1440        resp = &p_iov->pf2vf_reply->default_resp;
1441        rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1442        if (rc)
1443                goto exit;
1444
1445        if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1446                goto exit;
1447
1448        if (rx_coal)
1449                p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1450
1451        if (tx_coal)
1452                p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1453
1454exit:
1455        qed_vf_pf_req_end(p_hwfn, rc);
1456        return rc;
1457}
1458
1459u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1460{
1461        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1462
1463        if (!p_iov) {
1464                DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1465                return 0;
1466        }
1467
1468        return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1469}
1470
1471void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1472                        u16 sb_id, struct qed_sb_info *p_sb)
1473{
1474        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1475
1476        if (!p_iov) {
1477                DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1478                return;
1479        }
1480
1481        if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1482                DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1483                return;
1484        }
1485
1486        p_iov->sbs_info[sb_id] = p_sb;
1487}
1488
1489int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1490{
1491        struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1492        struct qed_bulletin_content shadow;
1493        u32 crc, crc_size;
1494
1495        crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1496        *p_change = 0;
1497
1498        /* Need to guarantee PF is not in the middle of writing it */
1499        memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1500
1501        /* If version did not update, no need to do anything */
1502        if (shadow.version == p_iov->bulletin_shadow.version)
1503                return 0;
1504
1505        /* Verify the bulletin we see is valid */
1506        crc = crc32(0, (u8 *)&shadow + crc_size,
1507                    p_iov->bulletin.size - crc_size);
1508        if (crc != shadow.crc)
1509                return -EAGAIN;
1510
1511        /* Set the shadow bulletin and process it */
1512        memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1513
1514        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1515                   "Read a bulletin update %08x\n", shadow.version);
1516
1517        *p_change = 1;
1518
1519        return 0;
1520}
1521
1522void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1523                              struct qed_mcp_link_params *p_params,
1524                              struct qed_bulletin_content *p_bulletin)
1525{
1526        memset(p_params, 0, sizeof(*p_params));
1527
1528        p_params->speed.autoneg = p_bulletin->req_autoneg;
1529        p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1530        p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1531        p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1532        p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1533        p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1534        p_params->loopback_mode = p_bulletin->req_loopback;
1535}
1536
1537void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1538                            struct qed_mcp_link_params *params)
1539{
1540        __qed_vf_get_link_params(p_hwfn, params,
1541                                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1542}
1543
1544void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1545                             struct qed_mcp_link_state *p_link,
1546                             struct qed_bulletin_content *p_bulletin)
1547{
1548        memset(p_link, 0, sizeof(*p_link));
1549
1550        p_link->link_up = p_bulletin->link_up;
1551        p_link->speed = p_bulletin->speed;
1552        p_link->full_duplex = p_bulletin->full_duplex;
1553        p_link->an = p_bulletin->autoneg;
1554        p_link->an_complete = p_bulletin->autoneg_complete;
1555        p_link->parallel_detection = p_bulletin->parallel_detection;
1556        p_link->pfc_enabled = p_bulletin->pfc_enabled;
1557        p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1558        p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1559        p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1560        p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1561        p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1562}
1563
1564void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1565                           struct qed_mcp_link_state *link)
1566{
1567        __qed_vf_get_link_state(p_hwfn, link,
1568                                &(p_hwfn->vf_iov_info->bulletin_shadow));
1569}
1570
1571void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1572                            struct qed_mcp_link_capabilities *p_link_caps,
1573                            struct qed_bulletin_content *p_bulletin)
1574{
1575        memset(p_link_caps, 0, sizeof(*p_link_caps));
1576        p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1577}
1578
1579void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1580                          struct qed_mcp_link_capabilities *p_link_caps)
1581{
1582        __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1583                               &(p_hwfn->vf_iov_info->bulletin_shadow));
1584}
1585
1586void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1587{
1588        *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1589}
1590
1591void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1592{
1593        *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1594}
1595
1596void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1597{
1598        *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1599}
1600
1601void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1602{
1603        memcpy(port_mac,
1604               p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1605}
1606
1607void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1608{
1609        struct qed_vf_iov *p_vf;
1610
1611        p_vf = p_hwfn->vf_iov_info;
1612        *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1613}
1614
1615void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1616{
1617        struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1618
1619        *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1620}
1621
1622bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1623{
1624        struct qed_bulletin_content *bulletin;
1625
1626        bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1627        if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1628                return true;
1629
1630        /* Forbid VF from changing a MAC enforced by PF */
1631        if (ether_addr_equal(bulletin->mac, mac))
1632                return false;
1633
1634        return false;
1635}
1636
1637static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1638                                           u8 *dst_mac, u8 *p_is_forced)
1639{
1640        struct qed_bulletin_content *bulletin;
1641
1642        bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1643
1644        if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1645                if (p_is_forced)
1646                        *p_is_forced = 1;
1647        } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1648                if (p_is_forced)
1649                        *p_is_forced = 0;
1650        } else {
1651                return false;
1652        }
1653
1654        ether_addr_copy(dst_mac, bulletin->mac);
1655
1656        return true;
1657}
1658
1659static void
1660qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1661                              u16 *p_vxlan_port, u16 *p_geneve_port)
1662{
1663        struct qed_bulletin_content *p_bulletin;
1664
1665        p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1666
1667        *p_vxlan_port = p_bulletin->vxlan_udp_port;
1668        *p_geneve_port = p_bulletin->geneve_udp_port;
1669}
1670
1671void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1672                           u16 *fw_major, u16 *fw_minor,
1673                           u16 *fw_rev, u16 *fw_eng)
1674{
1675        struct pf_vf_pfdev_info *info;
1676
1677        info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1678
1679        *fw_major = info->fw_major;
1680        *fw_minor = info->fw_minor;
1681        *fw_rev = info->fw_rev;
1682        *fw_eng = info->fw_eng;
1683}
1684
1685static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1686{
1687        struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1688        u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1689        void *cookie = hwfn->cdev->ops_cookie;
1690        u16 vxlan_port, geneve_port;
1691
1692        qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1693        is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1694                                                      &is_mac_forced);
1695        if (is_mac_exist && cookie)
1696                ops->force_mac(cookie, mac, !!is_mac_forced);
1697
1698        ops->ports_update(cookie, vxlan_port, geneve_port);
1699
1700        /* Always update link configuration according to bulletin */
1701        qed_link_update(hwfn, NULL);
1702}
1703
1704void qed_iov_vf_task(struct work_struct *work)
1705{
1706        struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1707                                             iov_task.work);
1708        u8 change = 0;
1709
1710        if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1711                return;
1712
1713        /* Handle bulletin board changes */
1714        qed_vf_read_bulletin(hwfn, &change);
1715        if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1716                               &hwfn->iov_task_flags))
1717                change = 1;
1718        if (change)
1719                qed_handle_bulletin_change(hwfn);
1720
1721        /* As VF is polling bulletin board, need to constantly re-schedule */
1722        queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1723}
1724