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

   1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
   2 /* QLogic qed NIC Driver
   3  * Copyright (c) 2015-2017  QLogic Corporation
   4  * Copyright (c) 2019-2020 Marvell International Ltd.
   5  */
   6
   7 #include <linux/etherdevice.h>
   8 #include <linux/crc32.h>
   9 #include <linux/vmalloc.h>
  10 #include <linux/crash_dump.h>
  11 #include <linux/qed/qed_iov_if.h>
  12 #include "qed_cxt.h"
  13 #include "qed_hsi.h"
  14 #include "qed_hw.h"
  15 #include "qed_init_ops.h"
  16 #include "qed_int.h"
  17 #include "qed_mcp.h"
  18 #include "qed_reg_addr.h"
  19 #include "qed_sp.h"
  20 #include "qed_sriov.h"
  21 #include "qed_vf.h"
  22 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  23                                u8 opcode,
  24                                __le16 echo,
  25                                union event_ring_data *data, u8 fw_return_code);
  26 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
  27
  28 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  29 {
  30         u8 legacy = 0;
  31
  32         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  33             ETH_HSI_VER_NO_PKT_LEN_TUNN)
  34                 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  35
  36         if (!(p_vf->acquire.vfdev_info.capabilities &
  37               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  38                 legacy |= QED_QCID_LEGACY_VF_CID;
  39
  40         return legacy;
  41 }
  42
  43 /* IOV ramrods */
  44 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  45 {
  46         struct vf_start_ramrod_data *p_ramrod = NULL;
  47         struct qed_spq_entry *p_ent = NULL;
  48         struct qed_sp_init_data init_data;
  49         int rc = -EINVAL;
  50         u8 fp_minor;
  51
  52         /* Get SPQ entry */
  53         memset(&init_data, 0, sizeof(init_data));
  54         init_data.cid = qed_spq_get_cid(p_hwfn);
  55         init_data.opaque_fid = p_vf->opaque_fid;
  56         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  57
  58         rc = qed_sp_init_request(p_hwfn, &p_ent,
  59                                  COMMON_RAMROD_VF_START,
  60                                  PROTOCOLID_COMMON, &init_data);
  61         if (rc)
  62                 return rc;
  63
  64         p_ramrod = &p_ent->ramrod.vf_start;
  65
  66         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  67         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  68
  69         switch (p_hwfn->hw_info.personality) {
  70         case QED_PCI_ETH:
  71                 p_ramrod->personality = PERSONALITY_ETH;
  72                 break;
  73         case QED_PCI_ETH_ROCE:
  74                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
  75                 break;
  76         default:
  77                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
  78                           p_hwfn->hw_info.personality);
  79                 qed_sp_destroy_request(p_hwfn, p_ent);
  80                 return -EINVAL;
  81         }
  82
  83         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
  84         if (fp_minor > ETH_HSI_VER_MINOR &&
  85             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
  86                 DP_VERBOSE(p_hwfn,
  87                            QED_MSG_IOV,
  88                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
  89                            p_vf->abs_vf_id,
  90                            ETH_HSI_VER_MAJOR,
  91                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
  92                 fp_minor = ETH_HSI_VER_MINOR;
  93         }
  94
  95         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
  96         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
  97
  98         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
  99                    "VF[%d] - Starting using HSI %02x.%02x\n",
 100                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 101
 102         return qed_spq_post(p_hwfn, p_ent, NULL);
 103 }
 104
 105 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 106                           u32 concrete_vfid, u16 opaque_vfid)
 107 {
 108         struct vf_stop_ramrod_data *p_ramrod = NULL;
 109         struct qed_spq_entry *p_ent = NULL;
 110         struct qed_sp_init_data init_data;
 111         int rc = -EINVAL;
 112
 113         /* Get SPQ entry */
 114         memset(&init_data, 0, sizeof(init_data));
 115         init_data.cid = qed_spq_get_cid(p_hwfn);
 116         init_data.opaque_fid = opaque_vfid;
 117         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 118
 119         rc = qed_sp_init_request(p_hwfn, &p_ent,
 120                                  COMMON_RAMROD_VF_STOP,
 121                                  PROTOCOLID_COMMON, &init_data);
 122         if (rc)
 123                 return rc;
 124
 125         p_ramrod = &p_ent->ramrod.vf_stop;
 126
 127         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 128
 129         return qed_spq_post(p_hwfn, p_ent, NULL);
 130 }
 131
 132 bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 133                            int rel_vf_id,
 134                            bool b_enabled_only, bool b_non_malicious)
 135 {
 136         if (!p_hwfn->pf_iov_info) {
 137                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 138                 return false;
 139         }
 140
 141         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 142             (rel_vf_id < 0))
 143                 return false;
 144
 145         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 146             b_enabled_only)
 147                 return false;
 148
 149         if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 150             b_non_malicious)
 151                 return false;
 152
 153         return true;
 154 }
 155
 156 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 157                                                u16 relative_vf_id,
 158                                                bool b_enabled_only)
 159 {
 160         struct qed_vf_info *vf = NULL;
 161
 162         if (!p_hwfn->pf_iov_info) {
 163                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 164                 return NULL;
 165         }
 166
 167         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 168                                   b_enabled_only, false))
 169                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 170         else
 171                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 172                        relative_vf_id);
 173
 174         return vf;
 175 }
 176
 177 static struct qed_queue_cid *
 178 qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 179 {
 180         int i;
 181
 182         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 183                 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 184                         return p_queue->cids[i].p_cid;
 185         }
 186
 187         return NULL;
 188 }
 189
 190 enum qed_iov_validate_q_mode {
 191         QED_IOV_VALIDATE_Q_NA,
 192         QED_IOV_VALIDATE_Q_ENABLE,
 193         QED_IOV_VALIDATE_Q_DISABLE,
 194 };
 195
 196 static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 197                                         struct qed_vf_info *p_vf,
 198                                         u16 qid,
 199                                         enum qed_iov_validate_q_mode mode,
 200                                         bool b_is_tx)
 201 {
 202         int i;
 203
 204         if (mode == QED_IOV_VALIDATE_Q_NA)
 205                 return true;
 206
 207         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 208                 struct qed_vf_queue_cid *p_qcid;
 209
 210                 p_qcid = &p_vf->vf_queues[qid].cids[i];
 211
 212                 if (!p_qcid->p_cid)
 213                         continue;
 214
 215                 if (p_qcid->b_is_tx != b_is_tx)
 216                         continue;
 217
 218                 return mode == QED_IOV_VALIDATE_Q_ENABLE;
 219         }
 220
 221         /* In case we haven't found any valid cid, then its disabled */
 222         return mode == QED_IOV_VALIDATE_Q_DISABLE;
 223 }
 224
 225 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 226                                  struct qed_vf_info *p_vf,
 227                                  u16 rx_qid,
 228                                  enum qed_iov_validate_q_mode mode)
 229 {
 230         if (rx_qid >= p_vf->num_rxqs) {
 231                 DP_VERBOSE(p_hwfn,
 232                            QED_MSG_IOV,
 233                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 234                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 235                 return false;
 236         }
 237
 238         return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 239 }
 240
 241 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 242                                  struct qed_vf_info *p_vf,
 243                                  u16 tx_qid,
 244                                  enum qed_iov_validate_q_mode mode)
 245 {
 246         if (tx_qid >= p_vf->num_txqs) {
 247                 DP_VERBOSE(p_hwfn,
 248                            QED_MSG_IOV,
 249                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 250                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 251                 return false;
 252         }
 253
 254         return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 255 }
 256
 257 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 258                                 struct qed_vf_info *p_vf, u16 sb_idx)
 259 {
 260         int i;
 261
 262         for (i = 0; i < p_vf->num_sbs; i++)
 263                 if (p_vf->igu_sbs[i] == sb_idx)
 264                         return true;
 265
 266         DP_VERBOSE(p_hwfn,
 267                    QED_MSG_IOV,
 268                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 269                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 270
 271         return false;
 272 }
 273
 274 static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 275                                         struct qed_vf_info *p_vf)
 276 {
 277         u8 i;
 278
 279         for (i = 0; i < p_vf->num_rxqs; i++)
 280                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 281                                                 QED_IOV_VALIDATE_Q_ENABLE,
 282                                                 false))
 283                         return true;
 284
 285         return false;
 286 }
 287
 288 static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 289                                         struct qed_vf_info *p_vf)
 290 {
 291         u8 i;
 292
 293         for (i = 0; i < p_vf->num_txqs; i++)
 294                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 295                                                 QED_IOV_VALIDATE_Q_ENABLE,
 296                                                 true))
 297                         return true;
 298
 299         return false;
 300 }
 301
 302 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 303                                     int vfid, struct qed_ptt *p_ptt)
 304 {
 305         struct qed_bulletin_content *p_bulletin;
 306         int crc_size = sizeof(p_bulletin->crc);
 307         struct qed_dmae_params params;
 308         struct qed_vf_info *p_vf;
 309
 310         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 311         if (!p_vf)
 312                 return -EINVAL;
 313
 314         if (!p_vf->vf_bulletin)
 315                 return -EINVAL;
 316
 317         p_bulletin = p_vf->bulletin.p_virt;
 318
 319         /* Increment bulletin board version and compute crc */
 320         p_bulletin->version++;
 321         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 322                                 p_vf->bulletin.size - crc_size);
 323
 324         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 325                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 326                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 327
 328         /* propagate bulletin board via dmae to vm memory */
 329         memset(&params, 0, sizeof(params));
 330         SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
 331         params.dst_vfid = p_vf->abs_vf_id;
 332         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 333                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 334                                   &params);
 335 }
 336
 337 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 338 {
 339         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 340         int pos = iov->pos;
 341
 342         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 343         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 344
 345         pci_read_config_word(cdev->pdev,
 346                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 347         pci_read_config_word(cdev->pdev,
 348                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 349
 350         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 351         if (iov->num_vfs) {
 352                 DP_VERBOSE(cdev,
 353                            QED_MSG_IOV,
 354                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 355                 iov->num_vfs = 0;
 356         }
 357
 358         pci_read_config_word(cdev->pdev,
 359                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 360
 361         pci_read_config_word(cdev->pdev,
 362                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 363
 364         pci_read_config_word(cdev->pdev,
 365                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 366
 367         pci_read_config_dword(cdev->pdev,
 368                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 369
 370         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 371
 372         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 373
 374         DP_VERBOSE(cdev,
 375                    QED_MSG_IOV,
 376                    "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
 377                    iov->nres,
 378                    iov->cap,
 379                    iov->ctrl,
 380                    iov->total_vfs,
 381                    iov->initial_vfs,
 382                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 383
 384         /* Some sanity checks */
 385         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 386             iov->total_vfs > NUM_OF_VFS(cdev)) {
 387                 /* This can happen only due to a bug. In this case we set
 388                  * num_vfs to zero to avoid memory corruption in the code that
 389                  * assumes max number of vfs
 390                  */
 391                 DP_NOTICE(cdev,
 392                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 393                           iov->num_vfs);
 394
 395                 iov->num_vfs = 0;
 396                 iov->total_vfs = 0;
 397         }
 398
 399         return 0;
 400 }
 401
 402 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 403 {
 404         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 405         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 406         struct qed_bulletin_content *p_bulletin_virt;
 407         dma_addr_t req_p, rply_p, bulletin_p;
 408         union pfvf_tlvs *p_reply_virt_addr;
 409         union vfpf_tlvs *p_req_virt_addr;
 410         u8 idx = 0;
 411
 412         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 413
 414         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 415         req_p = p_iov_info->mbx_msg_phys_addr;
 416         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 417         rply_p = p_iov_info->mbx_reply_phys_addr;
 418         p_bulletin_virt = p_iov_info->p_bulletins;
 419         bulletin_p = p_iov_info->bulletins_phys;
 420         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 421                 DP_ERR(p_hwfn,
 422                        "qed_iov_setup_vfdb called without allocating mem first\n");
 423                 return;
 424         }
 425
 426         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 427                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 428                 u32 concrete;
 429
 430                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 431                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 432                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 433                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 434
 435                 vf->state = VF_STOPPED;
 436                 vf->b_init = false;
 437
 438                 vf->bulletin.phys = idx *
 439                                     sizeof(struct qed_bulletin_content) +
 440                                     bulletin_p;
 441                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 442                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 443
 444                 vf->relative_vf_id = idx;
 445                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 446                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 447                 vf->concrete_fid = concrete;
 448                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 449                                  (vf->abs_vf_id << 8);
 450                 vf->vport_id = idx + 1;
 451
 452                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 453                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 454         }
 455 }
 456
 457 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 458 {
 459         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 460         void **p_v_addr;
 461         u16 num_vfs = 0;
 462
 463         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 464
 465         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 466                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 467
 468         /* Allocate PF Mailbox buffer (per-VF) */
 469         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 470         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 471         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 472                                        p_iov_info->mbx_msg_size,
 473                                        &p_iov_info->mbx_msg_phys_addr,
 474                                        GFP_KERNEL);
 475         if (!*p_v_addr)
 476                 return -ENOMEM;
 477
 478         /* Allocate PF Mailbox Reply buffer (per-VF) */
 479         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 480         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 481         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 482                                        p_iov_info->mbx_reply_size,
 483                                        &p_iov_info->mbx_reply_phys_addr,
 484                                        GFP_KERNEL);
 485         if (!*p_v_addr)
 486                 return -ENOMEM;
 487
 488         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 489                                      num_vfs;
 490         p_v_addr = &p_iov_info->p_bulletins;
 491         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 492                                        p_iov_info->bulletins_size,
 493                                        &p_iov_info->bulletins_phys,
 494                                        GFP_KERNEL);
 495         if (!*p_v_addr)
 496                 return -ENOMEM;
 497
 498         DP_VERBOSE(p_hwfn,
 499                    QED_MSG_IOV,
 500                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 501                    p_iov_info->mbx_msg_virt_addr,
 502                    (u64) p_iov_info->mbx_msg_phys_addr,
 503                    p_iov_info->mbx_reply_virt_addr,
 504                    (u64) p_iov_info->mbx_reply_phys_addr,
 505                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 506
 507         return 0;
 508 }
 509
 510 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 511 {
 512         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 513
 514         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 515                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 516                                   p_iov_info->mbx_msg_size,
 517                                   p_iov_info->mbx_msg_virt_addr,
 518                                   p_iov_info->mbx_msg_phys_addr);
 519
 520         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 521                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 522                                   p_iov_info->mbx_reply_size,
 523                                   p_iov_info->mbx_reply_virt_addr,
 524                                   p_iov_info->mbx_reply_phys_addr);
 525
 526         if (p_iov_info->p_bulletins)
 527                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 528                                   p_iov_info->bulletins_size,
 529                                   p_iov_info->p_bulletins,
 530                                   p_iov_info->bulletins_phys);
 531 }
 532
 533 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 534 {
 535         struct qed_pf_iov *p_sriov;
 536
 537         if (!IS_PF_SRIOV(p_hwfn)) {
 538                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 539                            "No SR-IOV - no need for IOV db\n");
 540                 return 0;
 541         }
 542
 543         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 544         if (!p_sriov)
 545                 return -ENOMEM;
 546
 547         p_hwfn->pf_iov_info = p_sriov;
 548
 549         qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 550                                   qed_sriov_eqe_event);
 551
 552         return qed_iov_allocate_vfdb(p_hwfn);
 553 }
 554
 555 void qed_iov_setup(struct qed_hwfn *p_hwfn)
 556 {
 557         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 558                 return;
 559
 560         qed_iov_setup_vfdb(p_hwfn);
 561 }
 562
 563 void qed_iov_free(struct qed_hwfn *p_hwfn)
 564 {
 565         qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 566
 567         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 568                 qed_iov_free_vfdb(p_hwfn);
 569                 kfree(p_hwfn->pf_iov_info);
 570         }
 571 }
 572
 573 void qed_iov_free_hw_info(struct qed_dev *cdev)
 574 {
 575         kfree(cdev->p_iov_info);
 576         cdev->p_iov_info = NULL;
 577 }
 578
 579 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 580 {
 581         struct qed_dev *cdev = p_hwfn->cdev;
 582         int pos;
 583         int rc;
 584
 585         if (is_kdump_kernel())
 586                 return 0;
 587
 588         if (IS_VF(p_hwfn->cdev))
 589                 return 0;
 590
 591         /* Learn the PCI configuration */
 592         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 593                                       PCI_EXT_CAP_ID_SRIOV);
 594         if (!pos) {
 595                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 596                 return 0;
 597         }
 598
 599         /* Allocate a new struct for IOV information */
 600         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 601         if (!cdev->p_iov_info)
 602                 return -ENOMEM;
 603
 604         cdev->p_iov_info->pos = pos;
 605
 606         rc = qed_iov_pci_cfg_info(cdev);
 607         if (rc)
 608                 return rc;
 609
 610         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 611          * In case the capability is published but there are no VFs, simply
 612          * de-allocate the struct.
 613          */
 614         if (!cdev->p_iov_info->total_vfs) {
 615                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 616                            "IOV capabilities, but no VFs are published\n");
 617                 kfree(cdev->p_iov_info);
 618                 cdev->p_iov_info = NULL;
 619                 return 0;
 620         }
 621
 622         /* First VF index based on offset is tricky:
 623          *  - If ARI is supported [likely], offset - (16 - pf_id) would
 624          *    provide the number for eng0. 2nd engine Vfs would begin
 625          *    after the first engine's VFs.
 626          *  - If !ARI, VFs would start on next device.
 627          *    so offset - (256 - pf_id) would provide the number.
 628          * Utilize the fact that (256 - pf_id) is achieved only by later
 629          * to differentiate between the two.
 630          */
 631
 632         if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 633                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 634                             p_hwfn->abs_pf_id - 16;
 635
 636                 cdev->p_iov_info->first_vf_in_pf = first;
 637
 638                 if (QED_PATH_ID(p_hwfn))
 639                         cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 640         } else {
 641                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 642                             p_hwfn->abs_pf_id - 256;
 643
 644                 cdev->p_iov_info->first_vf_in_pf = first;
 645         }
 646
 647         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 648                    "First VF in hwfn 0x%08x\n",
 649                    cdev->p_iov_info->first_vf_in_pf);
 650
 651         return 0;
 652 }
 653
 654 static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 655                                      int vfid, bool b_fail_malicious)
 656 {
 657         /* Check PF supports sriov */
 658         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 659             !IS_PF_SRIOV_ALLOC(p_hwfn))
 660                 return false;
 661
 662         /* Check VF validity */
 663         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 664                 return false;
 665
 666         return true;
 667 }
 668
 669 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 670 {
 671         return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 672 }
 673
 674 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 675                                       u16 rel_vf_id, u8 to_disable)
 676 {
 677         struct qed_vf_info *vf;
 678         int i;
 679
 680         for_each_hwfn(cdev, i) {
 681                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 682
 683                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 684                 if (!vf)
 685                         continue;
 686
 687                 vf->to_disable = to_disable;
 688         }
 689 }
 690
 691 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 692 {
 693         u16 i;
 694
 695         if (!IS_QED_SRIOV(cdev))
 696                 return;
 697
 698         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 699                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 700 }
 701
 702 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 703                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 704 {
 705         qed_wr(p_hwfn, p_ptt,
 706                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 707                1 << (abs_vfid & 0x1f));
 708 }
 709
 710 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 711                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 712 {
 713         int i;
 714
 715         /* Set VF masks and configuration - pretend */
 716         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 717
 718         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 719
 720         /* unpretend */
 721         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 722
 723         /* iterate over all queues, clear sb consumer */
 724         for (i = 0; i < vf->num_sbs; i++)
 725                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 726                                                 vf->igu_sbs[i],
 727                                                 vf->opaque_fid, true);
 728 }
 729
 730 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 731                                    struct qed_ptt *p_ptt,
 732                                    struct qed_vf_info *vf, bool enable)
 733 {
 734         u32 igu_vf_conf;
 735
 736         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 737
 738         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 739
 740         if (enable)
 741                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 742         else
 743                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 744
 745         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 746
 747         /* unpretend */
 748         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 749 }
 750
 751 static int
 752 qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 753                               struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 754 {
 755         u8 current_max = 0;
 756         int i;
 757
 758         /* For AH onward, configuration is per-PF. Find maximum of all
 759          * the currently enabled child VFs, and set the number to be that.
 760          */
 761         if (!QED_IS_BB(p_hwfn->cdev)) {
 762                 qed_for_each_vf(p_hwfn, i) {
 763                         struct qed_vf_info *p_vf;
 764
 765                         p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 766                         if (!p_vf)
 767                                 continue;
 768
 769                         current_max = max_t(u8, current_max, p_vf->num_sbs);
 770                 }
 771         }
 772
 773         if (num_sbs > current_max)
 774                 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 775                                               abs_vf_id, num_sbs);
 776
 777         return 0;
 778 }
 779
 780 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 781                                     struct qed_ptt *p_ptt,
 782                                     struct qed_vf_info *vf)
 783 {
 784         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 785         int rc;
 786
 787         /* It's possible VF was previously considered malicious -
 788          * clear the indication even if we're only going to disable VF.
 789          */
 790         vf->b_malicious = false;
 791
 792         if (vf->to_disable)
 793                 return 0;
 794
 795         DP_VERBOSE(p_hwfn,
 796                    QED_MSG_IOV,
 797                    "Enable internal access for vf %x [abs %x]\n",
 798                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 799
 800         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 801
 802         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 803
 804         rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 805                                            vf->abs_vf_id, vf->num_sbs);
 806         if (rc)
 807                 return rc;
 808
 809         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 810
 811         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 812         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 813
 814         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 815                      p_hwfn->hw_info.hw_mode);
 816
 817         /* unpretend */
 818         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 819
 820         vf->state = VF_FREE;
 821
 822         return rc;
 823 }
 824
 825 /**
 826  * qed_iov_config_perm_table() - Configure the permission zone table.
 827  *
 828  * @p_hwfn: HW device data.
 829  * @p_ptt: PTT window for writing the registers.
 830  * @vf: VF info data.
 831  * @enable: The actual permision for this VF.
 832  *
 833  * In E4, queue zone permission table size is 320x9. There
 834  * are 320 VF queues for single engine device (256 for dual
 835  * engine device), and each entry has the following format:
 836  * {Valid, VF[7:0]}
 837  */
 838 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 839                                       struct qed_ptt *p_ptt,
 840                                       struct qed_vf_info *vf, u8 enable)
 841 {
 842         u32 reg_addr, val;
 843         u16 qzone_id = 0;
 844         int qid;
 845
 846         for (qid = 0; qid < vf->num_rxqs; qid++) {
 847                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 848                                 &qzone_id);
 849
 850                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 851                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 852                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 853         }
 854 }
 855
 856 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 857                                       struct qed_ptt *p_ptt,
 858                                       struct qed_vf_info *vf)
 859 {
 860         /* Reset vf in IGU - interrupts are still disabled */
 861         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 862
 863         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 864
 865         /* Permission Table */
 866         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 867 }
 868
 869 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 870                                    struct qed_ptt *p_ptt,
 871                                    struct qed_vf_info *vf, u16 num_rx_queues)
 872 {
 873         struct qed_igu_block *p_block;
 874         struct cau_sb_entry sb_entry;
 875         int qid = 0;
 876         u32 val = 0;
 877
 878         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 879                 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 880         p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 881
 882         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 883         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 884         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 885
 886         for (qid = 0; qid < num_rx_queues; qid++) {
 887                 p_block = qed_get_igu_free_sb(p_hwfn, false);
 888                 vf->igu_sbs[qid] = p_block->igu_sb_id;
 889                 p_block->status &= ~QED_IGU_STATUS_FREE;
 890                 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 891
 892                 qed_wr(p_hwfn, p_ptt,
 893                        IGU_REG_MAPPING_MEMORY +
 894                        sizeof(u32) * p_block->igu_sb_id, val);
 895
 896                 /* Configure igu sb in CAU which were marked valid */
 897                 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 898                                       p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 899
 900                 qed_dmae_host2grc(p_hwfn, p_ptt,
 901                                   (u64)(uintptr_t)&sb_entry,
 902                                   CAU_REG_SB_VAR_MEMORY +
 903                                   p_block->igu_sb_id * sizeof(u64), 2, NULL);
 904         }
 905
 906         vf->num_sbs = (u8) num_rx_queues;
 907
 908         return vf->num_sbs;
 909 }
 910
 911 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 912                                     struct qed_ptt *p_ptt,
 913                                     struct qed_vf_info *vf)
 914 {
 915         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 916         int idx, igu_id;
 917         u32 addr, val;
 918
 919         /* Invalidate igu CAM lines and mark them as free */
 920         for (idx = 0; idx < vf->num_sbs; idx++) {
 921                 igu_id = vf->igu_sbs[idx];
 922                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 923
 924                 val = qed_rd(p_hwfn, p_ptt, addr);
 925                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 926                 qed_wr(p_hwfn, p_ptt, addr, val);
 927
 928                 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
 929                 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
 930         }
 931
 932         vf->num_sbs = 0;
 933 }
 934
 935 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 936                              u16 vfid,
 937                              struct qed_mcp_link_params *params,
 938                              struct qed_mcp_link_state *link,
 939                              struct qed_mcp_link_capabilities *p_caps)
 940 {
 941         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 942                                                        vfid,
 943                                                        false);
 944         struct qed_bulletin_content *p_bulletin;
 945
 946         if (!p_vf)
 947                 return;
 948
 949         p_bulletin = p_vf->bulletin.p_virt;
 950         p_bulletin->req_autoneg = params->speed.autoneg;
 951         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 952         p_bulletin->req_forced_speed = params->speed.forced_speed;
 953         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 954         p_bulletin->req_forced_rx = params->pause.forced_rx;
 955         p_bulletin->req_forced_tx = params->pause.forced_tx;
 956         p_bulletin->req_loopback = params->loopback_mode;
 957
 958         p_bulletin->link_up = link->link_up;
 959         p_bulletin->speed = link->speed;
 960         p_bulletin->full_duplex = link->full_duplex;
 961         p_bulletin->autoneg = link->an;
 962         p_bulletin->autoneg_complete = link->an_complete;
 963         p_bulletin->parallel_detection = link->parallel_detection;
 964         p_bulletin->pfc_enabled = link->pfc_enabled;
 965         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 966         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 967         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 968         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 969         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 970
 971         p_bulletin->capability_speed = p_caps->speed_capabilities;
 972 }
 973
 974 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 975                                   struct qed_ptt *p_ptt,
 976                                   struct qed_iov_vf_init_params *p_params)
 977 {
 978         struct qed_mcp_link_capabilities link_caps;
 979         struct qed_mcp_link_params link_params;
 980         struct qed_mcp_link_state link_state;
 981         u8 num_of_vf_avaiable_chains = 0;
 982         struct qed_vf_info *vf = NULL;
 983         u16 qid, num_irqs;
 984         int rc = 0;
 985         u32 cids;
 986         u8 i;
 987
 988         vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
 989         if (!vf) {
 990                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 991                 return -EINVAL;
 992         }
 993
 994         if (vf->b_init) {
 995                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
 996                           p_params->rel_vf_id);
 997                 return -EINVAL;
 998         }
 999
1000         /* Perform sanity checking on the requested queue_id */
1001         for (i = 0; i < p_params->num_queues; i++) {
1002                 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1003                 u16 max_vf_qzone = min_vf_qzone +
1004                     FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1005
1006                 qid = p_params->req_rx_queue[i];
1007                 if (qid < min_vf_qzone || qid > max_vf_qzone) {
1008                         DP_NOTICE(p_hwfn,
1009                                   "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1010                                   qid,
1011                                   p_params->rel_vf_id,
1012                                   min_vf_qzone, max_vf_qzone);
1013                         return -EINVAL;
1014                 }
1015
1016                 qid = p_params->req_tx_queue[i];
1017                 if (qid > max_vf_qzone) {
1018                         DP_NOTICE(p_hwfn,
1019                                   "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1020                                   qid, p_params->rel_vf_id, max_vf_qzone);
1021                         return -EINVAL;
1022                 }
1023
1024                 /* If client *really* wants, Tx qid can be shared with PF */
1025                 if (qid < min_vf_qzone)
1026                         DP_VERBOSE(p_hwfn,
1027                                    QED_MSG_IOV,
1028                                    "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1029                                    p_params->rel_vf_id, qid, i);
1030         }
1031
1032         /* Limit number of queues according to number of CIDs */
1033         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1034         DP_VERBOSE(p_hwfn,
1035                    QED_MSG_IOV,
1036                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
1037                    vf->relative_vf_id, p_params->num_queues, (u16)cids);
1038         num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1039
1040         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1041                                                              p_ptt,
1042                                                              vf, num_irqs);
1043         if (!num_of_vf_avaiable_chains) {
1044                 DP_ERR(p_hwfn, "no available igu sbs\n");
1045                 return -ENOMEM;
1046         }
1047
1048         /* Choose queue number and index ranges */
1049         vf->num_rxqs = num_of_vf_avaiable_chains;
1050         vf->num_txqs = num_of_vf_avaiable_chains;
1051
1052         for (i = 0; i < vf->num_rxqs; i++) {
1053                 struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1054
1055                 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1056                 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1057
1058                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1059                            "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1060                            vf->relative_vf_id, i, vf->igu_sbs[i],
1061                            p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1062         }
1063
1064         /* Update the link configuration in bulletin */
1065         memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1066                sizeof(link_params));
1067         memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1068         memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1069                sizeof(link_caps));
1070         qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1071                          &link_params, &link_state, &link_caps);
1072
1073         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1074         if (!rc) {
1075                 vf->b_init = true;
1076
1077                 if (IS_LEAD_HWFN(p_hwfn))
1078                         p_hwfn->cdev->p_iov_info->num_vfs++;
1079         }
1080
1081         return rc;
1082 }
1083
1084 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1085                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
1086 {
1087         struct qed_mcp_link_capabilities caps;
1088         struct qed_mcp_link_params params;
1089         struct qed_mcp_link_state link;
1090         struct qed_vf_info *vf = NULL;
1091
1092         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1093         if (!vf) {
1094                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1095                 return -EINVAL;
1096         }
1097
1098         if (vf->bulletin.p_virt)
1099                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1100
1101         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1102
1103         /* Get the link configuration back in bulletin so
1104          * that when VFs are re-enabled they get the actual
1105          * link configuration.
1106          */
1107         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1108         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1109         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1110         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1111
1112         /* Forget the VF's acquisition message */
1113         memset(&vf->acquire, 0, sizeof(vf->acquire));
1114
1115         /* disablng interrupts and resetting permission table was done during
1116          * vf-close, however, we could get here without going through vf_close
1117          */
1118         /* Disable Interrupts for VF */
1119         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1120
1121         /* Reset Permission table */
1122         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1123
1124         vf->num_rxqs = 0;
1125         vf->num_txqs = 0;
1126         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1127
1128         if (vf->b_init) {
1129                 vf->b_init = false;
1130
1131                 if (IS_LEAD_HWFN(p_hwfn))
1132                         p_hwfn->cdev->p_iov_info->num_vfs--;
1133         }
1134
1135         return 0;
1136 }
1137
1138 static bool qed_iov_tlv_supported(u16 tlvtype)
1139 {
1140         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1141 }
1142
1143 /* place a given tlv on the tlv buffer, continuing current tlv list */
1144 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1145 {
1146         struct channel_tlv *tl = (struct channel_tlv *)*offset;
1147
1148         tl->type = type;
1149         tl->length = length;
1150
1151         /* Offset should keep pointing to next TLV (the end of the last) */
1152         *offset += length;
1153
1154         /* Return a pointer to the start of the added tlv */
1155         return *offset - length;
1156 }
1157
1158 /* list the types and lengths of the tlvs on the buffer */
1159 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1160 {
1161         u16 i = 1, total_length = 0;
1162         struct channel_tlv *tlv;
1163
1164         do {
1165                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1166
1167                 /* output tlv */
1168                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1169                            "TLV number %d: type %d, length %d\n",
1170                            i, tlv->type, tlv->length);
1171
1172                 if (tlv->type == CHANNEL_TLV_LIST_END)
1173                         return;
1174
1175                 /* Validate entry - protect against malicious VFs */
1176                 if (!tlv->length) {
1177                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1178                         return;
1179                 }
1180
1181                 total_length += tlv->length;
1182
1183                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1184                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1185                         return;
1186                 }
1187
1188                 i++;
1189         } while (1);
1190 }
1191
1192 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1193                                   struct qed_ptt *p_ptt,
1194                                   struct qed_vf_info *p_vf,
1195                                   u16 length, u8 status)
1196 {
1197         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1198         struct qed_dmae_params params;
1199         u8 eng_vf_id;
1200
1201         mbx->reply_virt->default_resp.hdr.status = status;
1202
1203         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1204
1205         eng_vf_id = p_vf->abs_vf_id;
1206
1207         memset(&params, 0, sizeof(params));
1208         SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
1209         params.dst_vfid = eng_vf_id;
1210
1211         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1212                            mbx->req_virt->first_tlv.reply_address +
1213                            sizeof(u64),
1214                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1215                            &params);
1216
1217         /* Once PF copies the rc to the VF, the latter can continue
1218          * and send an additional message. So we have to make sure the
1219          * channel would be re-set to ready prior to that.
1220          */
1221         REG_WR(p_hwfn,
1222                GTT_BAR0_MAP_REG_USDM_RAM +
1223                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1224
1225         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1226                            mbx->req_virt->first_tlv.reply_address,
1227                            sizeof(u64) / 4, &params);
1228 }
1229
1230 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1231                                 enum qed_iov_vport_update_flag flag)
1232 {
1233         switch (flag) {
1234         case QED_IOV_VP_UPDATE_ACTIVATE:
1235                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1236         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1237                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1238         case QED_IOV_VP_UPDATE_TX_SWITCH:
1239                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1240         case QED_IOV_VP_UPDATE_MCAST:
1241                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1242         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1243                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1244         case QED_IOV_VP_UPDATE_RSS:
1245                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1246         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1247                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1248         case QED_IOV_VP_UPDATE_SGE_TPA:
1249                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1250         default:
1251                 return 0;
1252         }
1253 }
1254
1255 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1256                                             struct qed_vf_info *p_vf,
1257                                             struct qed_iov_vf_mbx *p_mbx,
1258                                             u8 status,
1259                                             u16 tlvs_mask, u16 tlvs_accepted)
1260 {
1261         struct pfvf_def_resp_tlv *resp;
1262         u16 size, total_len, i;
1263
1264         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1265         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1266         size = sizeof(struct pfvf_def_resp_tlv);
1267         total_len = size;
1268
1269         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1270
1271         /* Prepare response for all extended tlvs if they are found by PF */
1272         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1273                 if (!(tlvs_mask & BIT(i)))
1274                         continue;
1275
1276                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1277                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1278
1279                 if (tlvs_accepted & BIT(i))
1280                         resp->hdr.status = status;
1281                 else
1282                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1283
1284                 DP_VERBOSE(p_hwfn,
1285                            QED_MSG_IOV,
1286                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1287                            p_vf->relative_vf_id,
1288                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1289
1290                 total_len += size;
1291         }
1292
1293         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1294                     sizeof(struct channel_list_end_tlv));
1295
1296         return total_len;
1297 }
1298
1299 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1300                                  struct qed_ptt *p_ptt,
1301                                  struct qed_vf_info *vf_info,
1302                                  u16 type, u16 length, u8 status)
1303 {
1304         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1305
1306         mbx->offset = (u8 *)mbx->reply_virt;
1307
1308         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1309         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1310                     sizeof(struct channel_list_end_tlv));
1311
1312         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1313 }
1314
1315 static struct
1316 qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1317                                                u16 relative_vf_id,
1318                                                bool b_enabled_only)
1319 {
1320         struct qed_vf_info *vf = NULL;
1321
1322         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1323         if (!vf)
1324                 return NULL;
1325
1326         return &vf->p_vf_info;
1327 }
1328
1329 static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1330 {
1331         struct qed_public_vf_info *vf_info;
1332
1333         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1334
1335         if (!vf_info)
1336                 return;
1337
1338         /* Clear the VF mac */
1339         eth_zero_addr(vf_info->mac);
1340
1341         vf_info->rx_accept_mode = 0;
1342         vf_info->tx_accept_mode = 0;
1343 }
1344
1345 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1346                                struct qed_vf_info *p_vf)
1347 {
1348         u32 i, j;
1349
1350         p_vf->vf_bulletin = 0;
1351         p_vf->vport_instance = 0;
1352         p_vf->configured_features = 0;
1353
1354         /* If VF previously requested less resources, go back to default */
1355         p_vf->num_rxqs = p_vf->num_sbs;
1356         p_vf->num_txqs = p_vf->num_sbs;
1357
1358         p_vf->num_active_rxqs = 0;
1359
1360         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1361                 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1362
1363                 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1364                         if (!p_queue->cids[j].p_cid)
1365                                 continue;
1366
1367                         qed_eth_queue_cid_release(p_hwfn,
1368                                                   p_queue->cids[j].p_cid);
1369                         p_queue->cids[j].p_cid = NULL;
1370                 }
1371         }
1372
1373         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1374         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1375         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1376 }
1377
1378 /* Returns either 0, or log(size) */
1379 static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1380                                   struct qed_ptt *p_ptt)
1381 {
1382         u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1383
1384         if (val)
1385                 return val + 11;
1386         return 0;
1387 }
1388
1389 static void
1390 qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1391                                  struct qed_ptt *p_ptt,
1392                                  struct qed_vf_info *p_vf,
1393                                  struct vf_pf_resc_request *p_req,
1394                                  struct pf_vf_resc *p_resp)
1395 {
1396         u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1397         u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1398                      qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1399         u32 bar_size;
1400
1401         p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1402
1403         /* If VF didn't bother asking for QIDs than don't bother limiting
1404          * number of CIDs. The VF doesn't care about the number, and this
1405          * has the likely result of causing an additional acquisition.
1406          */
1407         if (!(p_vf->acquire.vfdev_info.capabilities &
1408               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1409                 return;
1410
1411         /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1412          * that would make sure doorbells for all CIDs fall within the bar.
1413          * If it doesn't, make sure regview window is sufficient.
1414          */
1415         if (p_vf->acquire.vfdev_info.capabilities &
1416             VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1417                 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1418                 if (bar_size)
1419                         bar_size = 1 << bar_size;
1420
1421                 if (p_hwfn->cdev->num_hwfns > 1)
1422                         bar_size /= 2;
1423         } else {
1424                 bar_size = PXP_VF_BAR0_DQ_LENGTH;
1425         }
1426
1427         if (bar_size / db_size < 256)
1428                 p_resp->num_cids = min_t(u8, p_resp->num_cids,
1429                                          (u8)(bar_size / db_size));
1430 }
1431
1432 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1433                                       struct qed_ptt *p_ptt,
1434                                       struct qed_vf_info *p_vf,
1435                                       struct vf_pf_resc_request *p_req,
1436                                       struct pf_vf_resc *p_resp)
1437 {
1438         u8 i;
1439
1440         /* Queue related information */
1441         p_resp->num_rxqs = p_vf->num_rxqs;
1442         p_resp->num_txqs = p_vf->num_txqs;
1443         p_resp->num_sbs = p_vf->num_sbs;
1444
1445         for (i = 0; i < p_resp->num_sbs; i++) {
1446                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1447                 p_resp->hw_sbs[i].sb_qid = 0;
1448         }
1449
1450         /* These fields are filled for backward compatibility.
1451          * Unused by modern vfs.
1452          */
1453         for (i = 0; i < p_resp->num_rxqs; i++) {
1454                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1455                                 (u16 *)&p_resp->hw_qid[i]);
1456                 p_resp->cid[i] = i;
1457         }
1458
1459         /* Filter related information */
1460         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1461                                         p_req->num_mac_filters);
1462         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1463                                          p_req->num_vlan_filters);
1464
1465         qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
1466
1467         /* This isn't really needed/enforced, but some legacy VFs might depend
1468          * on the correct filling of this field.
1469          */
1470         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1471
1472         /* Validate sufficient resources for VF */
1473         if (p_resp->num_rxqs < p_req->num_rxqs ||
1474             p_resp->num_txqs < p_req->num_txqs ||
1475             p_resp->num_sbs < p_req->num_sbs ||
1476             p_resp->num_mac_filters < p_req->num_mac_filters ||
1477             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1478             p_resp->num_mc_filters < p_req->num_mc_filters ||
1479             p_resp->num_cids < p_req->num_cids) {
1480                 DP_VERBOSE(p_hwfn,
1481                            QED_MSG_IOV,
1482                            "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n",
1483                            p_vf->abs_vf_id,
1484                            p_req->num_rxqs,
1485                            p_resp->num_rxqs,
1486                            p_req->num_rxqs,
1487                            p_resp->num_txqs,
1488                            p_req->num_sbs,
1489                            p_resp->num_sbs,
1490                            p_req->num_mac_filters,
1491                            p_resp->num_mac_filters,
1492                            p_req->num_vlan_filters,
1493                            p_resp->num_vlan_filters,
1494                            p_req->num_mc_filters,
1495                            p_resp->num_mc_filters,
1496                            p_req->num_cids, p_resp->num_cids);
1497
1498                 /* Some legacy OSes are incapable of correctly handling this
1499                  * failure.
1500                  */
1501                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1502                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1503                     (p_vf->acquire.vfdev_info.os_type ==
1504                      VFPF_ACQUIRE_OS_WINDOWS))
1505                         return PFVF_STATUS_SUCCESS;
1506
1507                 return PFVF_STATUS_NO_RESOURCE;
1508         }
1509
1510         return PFVF_STATUS_SUCCESS;
1511 }
1512
1513 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1514                                          struct pfvf_stats_info *p_stats)
1515 {
1516         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1517                                   offsetof(struct mstorm_vf_zone,
1518                                            non_trigger.eth_queue_stat);
1519         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1520         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1521                                   offsetof(struct ustorm_vf_zone,
1522                                            non_trigger.eth_queue_stat);
1523         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1524         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1525                                   offsetof(struct pstorm_vf_zone,
1526                                            non_trigger.eth_queue_stat);
1527         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1528         p_stats->tstats.address = 0;
1529         p_stats->tstats.len = 0;
1530 }
1531
1532 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1533                                    struct qed_ptt *p_ptt,
1534                                    struct qed_vf_info *vf)
1535 {
1536         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1537         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1538         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1539         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1540         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1541         struct pf_vf_resc *resc = &resp->resc;
1542         int rc;
1543
1544         memset(resp, 0, sizeof(*resp));
1545
1546         /* Write the PF version so that VF would know which version
1547          * is supported - might be later overriden. This guarantees that
1548          * VF could recognize legacy PF based on lack of versions in reply.
1549          */
1550         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1551         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1552
1553         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1554                 DP_VERBOSE(p_hwfn,
1555                            QED_MSG_IOV,
1556                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1557                            vf->abs_vf_id, vf->state);
1558                 goto out;
1559         }
1560
1561         /* Validate FW compatibility */
1562         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1563                 if (req->vfdev_info.capabilities &
1564                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1565                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1566
1567                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1568                                    "VF[%d] is pre-fastpath HSI\n",
1569                                    vf->abs_vf_id);
1570                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1571                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1572                 } else {
1573                         DP_INFO(p_hwfn,
1574                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n",
1575                                 vf->abs_vf_id,
1576                                 req->vfdev_info.eth_fp_hsi_major,
1577                                 req->vfdev_info.eth_fp_hsi_minor,
1578                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1579
1580                         goto out;
1581                 }
1582         }
1583
1584         /* On 100g PFs, prevent old VFs from loading */
1585         if ((p_hwfn->cdev->num_hwfns > 1) &&
1586             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1587                 DP_INFO(p_hwfn,
1588                         "VF[%d] is running an old driver that doesn't support 100g\n",
1589                         vf->abs_vf_id);
1590                 goto out;
1591         }
1592
1593         /* Store the acquire message */
1594         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1595
1596         vf->opaque_fid = req->vfdev_info.opaque_fid;
1597
1598         vf->vf_bulletin = req->bulletin_addr;
1599         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1600                             vf->bulletin.size : req->bulletin_size;
1601
1602         /* fill in pfdev info */
1603         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1604         pfdev_info->db_size = 0;
1605         pfdev_info->indices_per_sb = PIS_PER_SB_E4;
1606
1607         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1608                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1609         if (p_hwfn->cdev->num_hwfns > 1)
1610                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1611
1612         /* Share our ability to use multiple queue-ids only with VFs
1613          * that request it.
1614          */
1615         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1616                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1617
1618         /* Share the sizes of the bars with VF */
1619         resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1620
1621         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1622
1623         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1624
1625         pfdev_info->fw_major = FW_MAJOR_VERSION;
1626         pfdev_info->fw_minor = FW_MINOR_VERSION;
1627         pfdev_info->fw_rev = FW_REVISION_VERSION;
1628         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1629
1630         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1631          * this field.
1632          */
1633         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1634                                          req->vfdev_info.eth_fp_hsi_minor);
1635         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1636         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1637
1638         pfdev_info->dev_type = p_hwfn->cdev->type;
1639         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1640
1641         /* Fill resources available to VF; Make sure there are enough to
1642          * satisfy the VF's request.
1643          */
1644         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1645                                                   &req->resc_request, resc);
1646         if (vfpf_status != PFVF_STATUS_SUCCESS)
1647                 goto out;
1648
1649         /* Start the VF in FW */
1650         rc = qed_sp_vf_start(p_hwfn, vf);
1651         if (rc) {
1652                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1653                 vfpf_status = PFVF_STATUS_FAILURE;
1654                 goto out;
1655         }
1656
1657         /* Fill agreed size of bulletin board in response */
1658         resp->bulletin_size = vf->bulletin.size;
1659         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1660
1661         DP_VERBOSE(p_hwfn,
1662                    QED_MSG_IOV,
1663                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1664                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1665                    vf->abs_vf_id,
1666                    resp->pfdev_info.chip_num,
1667                    resp->pfdev_info.db_size,
1668                    resp->pfdev_info.indices_per_sb,
1669                    resp->pfdev_info.capabilities,
1670                    resc->num_rxqs,
1671                    resc->num_txqs,
1672                    resc->num_sbs,
1673                    resc->num_mac_filters,
1674                    resc->num_vlan_filters);
1675         vf->state = VF_ACQUIRED;
1676
1677         /* Prepare Response */
1678 out:
1679         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1680                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1681 }
1682
1683 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1684                                   struct qed_vf_info *p_vf, bool val)
1685 {
1686         struct qed_sp_vport_update_params params;
1687         int rc;
1688
1689         if (val == p_vf->spoof_chk) {
1690                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1691                            "Spoofchk value[%d] is already configured\n", val);
1692                 return 0;
1693         }
1694
1695         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1696         params.opaque_fid = p_vf->opaque_fid;
1697         params.vport_id = p_vf->vport_id;
1698         params.update_anti_spoofing_en_flg = 1;
1699         params.anti_spoofing_en = val;
1700
1701         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1702         if (!rc) {
1703                 p_vf->spoof_chk = val;
1704                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1705                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1706                            "Spoofchk val[%d] configured\n", val);
1707         } else {
1708                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1709                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1710                            val, p_vf->relative_vf_id);
1711         }
1712
1713         return rc;
1714 }
1715
1716 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1717                                             struct qed_vf_info *p_vf)
1718 {
1719         struct qed_filter_ucast filter;
1720         int rc = 0;
1721         int i;
1722
1723         memset(&filter, 0, sizeof(filter));
1724         filter.is_rx_filter = 1;
1725         filter.is_tx_filter = 1;
1726         filter.vport_to_add_to = p_vf->vport_id;
1727         filter.opcode = QED_FILTER_ADD;
1728
1729         /* Reconfigure vlans */
1730         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1731                 if (!p_vf->shadow_config.vlans[i].used)
1732                         continue;
1733
1734                 filter.type = QED_FILTER_VLAN;
1735                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1736                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1737                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1738                            filter.vlan, p_vf->relative_vf_id);
1739                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1740                                              &filter, QED_SPQ_MODE_CB, NULL);
1741                 if (rc) {
1742                         DP_NOTICE(p_hwfn,
1743                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1744                                   filter.vlan, p_vf->relative_vf_id);
1745                         break;
1746                 }
1747         }
1748
1749         return rc;
1750 }
1751
1752 static int
1753 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1754                                    struct qed_vf_info *p_vf, u64 events)
1755 {
1756         int rc = 0;
1757
1758         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1759             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1760                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1761
1762         return rc;
1763 }
1764
1765 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1766                                           struct qed_vf_info *p_vf, u64 events)
1767 {
1768         int rc = 0;
1769         struct qed_filter_ucast filter;
1770
1771         if (!p_vf->vport_instance)
1772                 return -EINVAL;
1773
1774         if ((events & BIT(MAC_ADDR_FORCED)) ||
1775             p_vf->p_vf_info.is_trusted_configured) {
1776                 /* Since there's no way [currently] of removing the MAC,
1777                  * we can always assume this means we need to force it.
1778                  */
1779                 memset(&filter, 0, sizeof(filter));
1780                 filter.type = QED_FILTER_MAC;
1781                 filter.opcode = QED_FILTER_REPLACE;
1782                 filter.is_rx_filter = 1;
1783                 filter.is_tx_filter = 1;
1784                 filter.vport_to_add_to = p_vf->vport_id;
1785                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1786
1787                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1788                                              &filter, QED_SPQ_MODE_CB, NULL);
1789                 if (rc) {
1790                         DP_NOTICE(p_hwfn,
1791                                   "PF failed to configure MAC for VF\n");
1792                         return rc;
1793                 }
1794                 if (p_vf->p_vf_info.is_trusted_configured)
1795                         p_vf->configured_features |=
1796                                 BIT(VFPF_BULLETIN_MAC_ADDR);
1797                 else
1798                         p_vf->configured_features |=
1799                                 BIT(MAC_ADDR_FORCED);
1800         }
1801
1802         if (events & BIT(VLAN_ADDR_FORCED)) {
1803                 struct qed_sp_vport_update_params vport_update;
1804                 u8 removal;
1805                 int i;
1806
1807                 memset(&filter, 0, sizeof(filter));
1808                 filter.type = QED_FILTER_VLAN;
1809                 filter.is_rx_filter = 1;
1810                 filter.is_tx_filter = 1;
1811                 filter.vport_to_add_to = p_vf->vport_id;
1812                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1813                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1814                                               QED_FILTER_FLUSH;
1815
1816                 /* Send the ramrod */
1817                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1818                                              &filter, QED_SPQ_MODE_CB, NULL);
1819                 if (rc) {
1820                         DP_NOTICE(p_hwfn,
1821                                   "PF failed to configure VLAN for VF\n");
1822                         return rc;
1823                 }
1824
1825                 /* Update the default-vlan & silent vlan stripping */
1826                 memset(&vport_update, 0, sizeof(vport_update));
1827                 vport_update.opaque_fid = p_vf->opaque_fid;
1828                 vport_update.vport_id = p_vf->vport_id;
1829                 vport_update.update_default_vlan_enable_flg = 1;
1830                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1831                 vport_update.update_default_vlan_flg = 1;
1832                 vport_update.default_vlan = filter.vlan;
1833
1834                 vport_update.update_inner_vlan_removal_flg = 1;
1835                 removal = filter.vlan ? 1
1836                                       : p_vf->shadow_config.inner_vlan_removal;
1837                 vport_update.inner_vlan_removal_flg = removal;
1838                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1839                 rc = qed_sp_vport_update(p_hwfn,
1840                                          &vport_update,
1841                                          QED_SPQ_MODE_EBLOCK, NULL);
1842                 if (rc) {
1843                         DP_NOTICE(p_hwfn,
1844                                   "PF failed to configure VF vport for vlan\n");
1845                         return rc;
1846                 }
1847
1848                 /* Update all the Rx queues */
1849                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1850                         struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1851                         struct qed_queue_cid *p_cid = NULL;
1852
1853                         /* There can be at most 1 Rx queue on qzone. Find it */
1854                         p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1855                         if (!p_cid)
1856                                 continue;
1857
1858                         rc = qed_sp_eth_rx_queues_update(p_hwfn,
1859                                                          (void **)&p_cid,
1860                                                          1, 0, 1,
1861                                                          QED_SPQ_MODE_EBLOCK,
1862                                                          NULL);
1863                         if (rc) {
1864                                 DP_NOTICE(p_hwfn,
1865                                           "Failed to send Rx update fo queue[0x%04x]\n",
1866                                           p_cid->rel.queue_id);
1867                                 return rc;
1868                         }
1869                 }
1870
1871                 if (filter.vlan)
1872                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1873                 else
1874                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1875         }
1876
1877         /* If forced features are terminated, we need to configure the shadow
1878          * configuration back again.
1879          */
1880         if (events)
1881                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1882
1883         return rc;
1884 }
1885
1886 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1887                                        struct qed_ptt *p_ptt,
1888                                        struct qed_vf_info *vf)
1889 {
1890         struct qed_sp_vport_start_params params = { 0 };
1891         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1892         struct vfpf_vport_start_tlv *start;
1893         u8 status = PFVF_STATUS_SUCCESS;
1894         struct qed_vf_info *vf_info;
1895         u64 *p_bitmap;
1896         int sb_id;
1897         int rc;
1898
1899         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1900         if (!vf_info) {
1901                 DP_NOTICE(p_hwfn->cdev,
1902                           "Failed to get VF info, invalid vfid [%d]\n",
1903                           vf->relative_vf_id);
1904                 return;
1905         }
1906
1907         vf->state = VF_ENABLED;
1908         start = &mbx->req_virt->start_vport;
1909
1910         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1911
1912         /* Initialize Status block in CAU */
1913         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1914                 if (!start->sb_addr[sb_id]) {
1915                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1916                                    "VF[%d] did not fill the address of SB %d\n",
1917                                    vf->relative_vf_id, sb_id);
1918                         break;
1919                 }
1920
1921                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1922                                     start->sb_addr[sb_id],
1923                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1924         }
1925
1926         vf->mtu = start->mtu;
1927         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1928
1929         /* Take into consideration configuration forced by hypervisor;
1930          * If none is configured, use the supplied VF values [for old
1931          * vfs that would still be fine, since they passed '0' as padding].
1932          */
1933         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1934         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1935                 u8 vf_req = start->only_untagged;
1936
1937                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1938                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1939         }
1940
1941         params.tpa_mode = start->tpa_mode;
1942         params.remove_inner_vlan = start->inner_vlan_removal;
1943         params.tx_switching = true;
1944
1945         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1946         params.drop_ttl0 = false;
1947         params.concrete_fid = vf->concrete_fid;
1948         params.opaque_fid = vf->opaque_fid;
1949         params.vport_id = vf->vport_id;
1950         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1951         params.mtu = vf->mtu;
1952
1953         /* Non trusted VFs should enable control frame filtering */
1954         params.check_mac = !vf->p_vf_info.is_trusted_configured;
1955
1956         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1957         if (rc) {
1958                 DP_ERR(p_hwfn,
1959                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1960                 status = PFVF_STATUS_FAILURE;
1961         } else {
1962                 vf->vport_instance++;
1963
1964                 /* Force configuration if needed on the newly opened vport */
1965                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1966
1967                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1968         }
1969         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1970                              sizeof(struct pfvf_def_resp_tlv), status);
1971 }
1972
1973 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1974                                       struct qed_ptt *p_ptt,
1975                                       struct qed_vf_info *vf)
1976 {
1977         u8 status = PFVF_STATUS_SUCCESS;
1978         int rc;
1979
1980         vf->vport_instance--;
1981         vf->spoof_chk = false;
1982
1983         if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
1984             (qed_iov_validate_active_txq(p_hwfn, vf))) {
1985                 vf->b_malicious = true;
1986                 DP_NOTICE(p_hwfn,
1987                           "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n",
1988                           vf->abs_vf_id);
1989                 status = PFVF_STATUS_MALICIOUS;
1990                 goto out;
1991         }
1992
1993         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1994         if (rc) {
1995                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1996                        rc);
1997                 status = PFVF_STATUS_FAILURE;
1998         }
1999
2000         /* Forget the configuration on the vport */
2001         vf->configured_features = 0;
2002         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2003
2004 out:
2005         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2006                              sizeof(struct pfvf_def_resp_tlv), status);
2007 }
2008
2009 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2010                                           struct qed_ptt *p_ptt,
2011                                           struct qed_vf_info *vf,
2012                                           u8 status, bool b_legacy)
2013 {
2014         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2015         struct pfvf_start_queue_resp_tlv *p_tlv;
2016         struct vfpf_start_rxq_tlv *req;
2017         u16 length;
2018
2019         mbx->offset = (u8 *)mbx->reply_virt;
2020
2021         /* Taking a bigger struct instead of adding a TLV to list was a
2022          * mistake, but one which we're now stuck with, as some older
2023          * clients assume the size of the previous response.
2024          */
2025         if (!b_legacy)
2026                 length = sizeof(*p_tlv);
2027         else
2028                 length = sizeof(struct pfvf_def_resp_tlv);
2029
2030         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2031                             length);
2032         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2033                     sizeof(struct channel_list_end_tlv));
2034
2035         /* Update the TLV with the response */
2036         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2037                 req = &mbx->req_virt->start_rxq;
2038                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2039                                 offsetof(struct mstorm_vf_zone,
2040                                          non_trigger.eth_rx_queue_producers) +
2041                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
2042         }
2043
2044         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2045 }
2046
2047 static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2048                              struct qed_vf_info *p_vf, bool b_is_tx)
2049 {
2050         struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2051         struct vfpf_qid_tlv *p_qid_tlv;
2052
2053         /* Search for the qid if the VF published its going to provide it */
2054         if (!(p_vf->acquire.vfdev_info.capabilities &
2055               VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2056                 if (b_is_tx)
2057                         return QED_IOV_LEGACY_QID_TX;
2058                 else
2059                         return QED_IOV_LEGACY_QID_RX;
2060         }
2061
2062         p_qid_tlv = (struct vfpf_qid_tlv *)
2063                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2064                                              CHANNEL_TLV_QID);
2065         if (!p_qid_tlv) {
2066                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2067                            "VF[%2x]: Failed to provide qid\n",
2068                            p_vf->relative_vf_id);
2069
2070                 return QED_IOV_QID_INVALID;
2071         }
2072
2073         if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2074                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2075                            "VF[%02x]: Provided qid out-of-bounds %02x\n",
2076                            p_vf->relative_vf_id, p_qid_tlv->qid);
2077                 return QED_IOV_QID_INVALID;
2078         }
2079
2080         return p_qid_tlv->qid;
2081 }
2082
2083 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2084                                      struct qed_ptt *p_ptt,
2085                                      struct qed_vf_info *vf)
2086 {
2087         struct qed_queue_start_common_params params;
2088         struct qed_queue_cid_vf_params vf_params;
2089         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2090         u8 status = PFVF_STATUS_NO_RESOURCE;
2091         u8 qid_usage_idx, vf_legacy = 0;
2092         struct vfpf_start_rxq_tlv *req;
2093         struct qed_vf_queue *p_queue;
2094         struct qed_queue_cid *p_cid;
2095         struct qed_sb_info sb_dummy;
2096         int rc;
2097
2098         req = &mbx->req_virt->start_rxq;
2099
2100         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2101                                   QED_IOV_VALIDATE_Q_DISABLE) ||
2102             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2103                 goto out;
2104
2105         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2106         if (qid_usage_idx == QED_IOV_QID_INVALID)
2107                 goto out;
2108
2109         p_queue = &vf->vf_queues[req->rx_qid];
2110         if (p_queue->cids[qid_usage_idx].p_cid)
2111                 goto out;
2112
2113         vf_legacy = qed_vf_calculate_legacy(vf);
2114
2115         /* Acquire a new queue-cid */
2116         memset(&params, 0, sizeof(params));
2117         params.queue_id = p_queue->fw_rx_qid;
2118         params.vport_id = vf->vport_id;
2119         params.stats_id = vf->abs_vf_id + 0x10;
2120         /* Since IGU index is passed via sb_info, construct a dummy one */
2121         memset(&sb_dummy, 0, sizeof(sb_dummy));
2122         sb_dummy.igu_sb_id = req->hw_sb;
2123         params.p_sb = &sb_dummy;
2124         params.sb_idx = req->sb_index;
2125
2126         memset(&vf_params, 0, sizeof(vf_params));
2127         vf_params.vfid = vf->relative_vf_id;
2128         vf_params.vf_qid = (u8)req->rx_qid;
2129         vf_params.vf_legacy = vf_legacy;
2130         vf_params.qid_usage_idx = qid_usage_idx;
2131         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2132                                      &params, true, &vf_params);
2133         if (!p_cid)
2134                 goto out;
2135
2136         /* Legacy VFs have their Producers in a different location, which they
2137          * calculate on their own and clean the producer prior to this.
2138          */
2139         if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2140                 REG_WR(p_hwfn,
2141                        GTT_BAR0_MAP_REG_MSDM_RAM +
2142                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2143                        0);
2144
2145         rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2146                                       req->bd_max_bytes,
2147                                       req->rxq_addr,
2148                                       req->cqe_pbl_addr, req->cqe_pbl_size);
2149         if (rc) {
2150                 status = PFVF_STATUS_FAILURE;
2151                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2152         } else {
2153                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2154                 p_queue->cids[qid_usage_idx].b_is_tx = false;
2155                 status = PFVF_STATUS_SUCCESS;
2156                 vf->num_active_rxqs++;
2157         }
2158
2159 out:
2160         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2161                                       !!(vf_legacy &
2162                                          QED_QCID_LEGACY_VF_RX_PROD));
2163 }
2164
2165 static void
2166 qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2167                                struct qed_tunnel_info *p_tun,
2168                                u16 tunn_feature_mask)
2169 {
2170         p_resp->tunn_feature_mask = tunn_feature_mask;
2171         p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2172         p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2173         p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2174         p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2175         p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2176         p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2177         p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2178         p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2179         p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2180         p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2181         p_resp->geneve_udp_port = p_tun->geneve_port.port;
2182         p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2183 }
2184
2185 static void
2186 __qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2187                               struct qed_tunn_update_type *p_tun,
2188                               enum qed_tunn_mode mask, u8 tun_cls)
2189 {
2190         if (p_req->tun_mode_update_mask & BIT(mask)) {
2191                 p_tun->b_update_mode = true;
2192
2193                 if (p_req->tunn_mode & BIT(mask))
2194                         p_tun->b_mode_enabled = true;
2195         }
2196
2197         p_tun->tun_cls = tun_cls;
2198 }
2199
2200 static void
2201 qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2202                             struct qed_tunn_update_type *p_tun,
2203                             struct qed_tunn_update_udp_port *p_port,
2204                             enum qed_tunn_mode mask,
2205                             u8 tun_cls, u8 update_port, u16 port)
2206 {
2207         if (update_port) {
2208                 p_port->b_update_port = true;
2209                 p_port->port = port;
2210         }
2211
2212         __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2213 }
2214
2215 static bool
2216 qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2217 {
2218         bool b_update_requested = false;
2219
2220         if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2221             p_req->update_geneve_port || p_req->update_vxlan_port)
2222                 b_update_requested = true;
2223
2224         return b_update_requested;
2225 }
2226
2227 static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2228 {
2229         if (tun->b_update_mode && !tun->b_mode_enabled) {
2230                 tun->b_update_mode = false;
2231                 *rc = -EINVAL;
2232         }
2233 }
2234
2235 static int
2236 qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2237                                    u16 *tun_features, bool *update,
2238                                    struct qed_tunnel_info *tun_src)
2239 {
2240         struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2241         struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2242         u16 bultn_vxlan_port, bultn_geneve_port;
2243         void *cookie = p_hwfn->cdev->ops_cookie;
2244         int i, rc = 0;
2245
2246         *tun_features = p_hwfn->cdev->tunn_feature_mask;
2247         bultn_vxlan_port = tun->vxlan_port.port;
2248         bultn_geneve_port = tun->geneve_port.port;
2249         qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2250         qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2251         qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2252         qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2253         qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2254
2255         if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2256             (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2257              tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2258              tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2259              tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2260              tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2261                 tun_src->b_update_rx_cls = false;
2262                 tun_src->b_update_tx_cls = false;
2263                 rc = -EINVAL;
2264         }
2265
2266         if (tun_src->vxlan_port.b_update_port) {
2267                 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2268                         tun_src->vxlan_port.b_update_port = false;
2269                 } else {
2270                         *update = true;
2271                         bultn_vxlan_port = tun_src->vxlan_port.port;
2272                 }
2273         }
2274
2275         if (tun_src->geneve_port.b_update_port) {
2276                 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2277                         tun_src->geneve_port.b_update_port = false;
2278                 } else {
2279                         *update = true;
2280                         bultn_geneve_port = tun_src->geneve_port.port;
2281                 }
2282         }
2283
2284         qed_for_each_vf(p_hwfn, i) {
2285                 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2286                                                bultn_geneve_port);
2287         }
2288
2289         qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2290         ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2291
2292         return rc;
2293 }
2294
2295 static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2296                                              struct qed_ptt *p_ptt,
2297                                              struct qed_vf_info *p_vf)
2298 {
2299         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2300         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2301         struct pfvf_update_tunn_param_tlv *p_resp;
2302         struct vfpf_update_tunn_param_tlv *p_req;
2303         u8 status = PFVF_STATUS_SUCCESS;
2304         bool b_update_required = false;
2305         struct qed_tunnel_info tunn;
2306         u16 tunn_feature_mask = 0;
2307         int i, rc = 0;
2308
2309         mbx->offset = (u8 *)mbx->reply_virt;
2310
2311         memset(&tunn, 0, sizeof(tunn));
2312         p_req = &mbx->req_virt->tunn_param_update;
2313
2314         if (!qed_iov_pf_validate_tunn_param(p_req)) {
2315                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2316                            "No tunnel update requested by VF\n");
2317                 status = PFVF_STATUS_FAILURE;
2318                 goto send_resp;
2319         }
2320
2321         tunn.b_update_rx_cls = p_req->update_tun_cls;
2322         tunn.b_update_tx_cls = p_req->update_tun_cls;
2323
2324         qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2325                                     QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2326                                     p_req->update_vxlan_port,
2327                                     p_req->vxlan_port);
2328         qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2329                                     QED_MODE_L2GENEVE_TUNN,
2330                                     p_req->l2geneve_clss,
2331                                     p_req->update_geneve_port,
2332                                     p_req->geneve_port);
2333         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2334                                       QED_MODE_IPGENEVE_TUNN,
2335                                       p_req->ipgeneve_clss);
2336         __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2337                                       QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2338         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2339                                       QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2340
2341         /* If PF modifies VF's req then it should
2342          * still return an error in case of partial configuration
2343          * or modified configuration as opposed to requested one.
2344          */
2345         rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2346                                                 &b_update_required, &tunn);
2347
2348         if (rc)
2349                 status = PFVF_STATUS_FAILURE;
2350
2351         /* If QED client is willing to update anything ? */
2352         if (b_update_required) {
2353                 u16 geneve_port;
2354
2355                 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2356                                                QED_SPQ_MODE_EBLOCK, NULL);
2357                 if (rc)
2358                         status = PFVF_STATUS_FAILURE;
2359
2360                 geneve_port = p_tun->geneve_port.port;
2361                 qed_for_each_vf(p_hwfn, i) {
2362                         qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2363                                                        p_tun->vxlan_port.port,
2364                                                        geneve_port);
2365                 }
2366         }
2367
2368 send_resp:
2369         p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2370                              CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2371
2372         qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2373         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2374                     sizeof(struct channel_list_end_tlv));
2375
2376         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2377 }
2378
2379 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2380                                           struct qed_ptt *p_ptt,
2381                                           struct qed_vf_info *p_vf,
2382                                           u32 cid, u8 status)
2383 {
2384         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2385         struct pfvf_start_queue_resp_tlv *p_tlv;
2386         bool b_legacy = false;
2387         u16 length;
2388
2389         mbx->offset = (u8 *)mbx->reply_virt;
2390
2391         /* Taking a bigger struct instead of adding a TLV to list was a
2392          * mistake, but one which we're now stuck with, as some older
2393          * clients assume the size of the previous response.
2394          */
2395         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2396             ETH_HSI_VER_NO_PKT_LEN_TUNN)
2397                 b_legacy = true;
2398
2399         if (!b_legacy)
2400                 length = sizeof(*p_tlv);
2401         else
2402                 length = sizeof(struct pfvf_def_resp_tlv);
2403
2404         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2405                             length);
2406         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2407                     sizeof(struct channel_list_end_tlv));
2408
2409         /* Update the TLV with the response */
2410         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2411                 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2412
2413         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2414 }
2415
2416 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2417                                      struct qed_ptt *p_ptt,
2418                                      struct qed_vf_info *vf)
2419 {
2420         struct qed_queue_start_common_params params;
2421         struct qed_queue_cid_vf_params vf_params;
2422         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2423         u8 status = PFVF_STATUS_NO_RESOURCE;
2424         struct vfpf_start_txq_tlv *req;
2425         struct qed_vf_queue *p_queue;
2426         struct qed_queue_cid *p_cid;
2427         struct qed_sb_info sb_dummy;
2428         u8 qid_usage_idx, vf_legacy;
2429         u32 cid = 0;
2430         int rc;
2431         u16 pq;
2432
2433         memset(&params, 0, sizeof(params));
2434         req = &mbx->req_virt->start_txq;
2435
2436         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2437                                   QED_IOV_VALIDATE_Q_NA) ||
2438             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2439                 goto out;
2440
2441         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2442         if (qid_usage_idx == QED_IOV_QID_INVALID)
2443                 goto out;
2444
2445         p_queue = &vf->vf_queues[req->tx_qid];
2446         if (p_queue->cids[qid_usage_idx].p_cid)
2447                 goto out;
2448
2449         vf_legacy = qed_vf_calculate_legacy(vf);
2450
2451         /* Acquire a new queue-cid */
2452         params.queue_id = p_queue->fw_tx_qid;
2453         params.vport_id = vf->vport_id;
2454         params.stats_id = vf->abs_vf_id + 0x10;
2455
2456         /* Since IGU index is passed via sb_info, construct a dummy one */
2457         memset(&sb_dummy, 0, sizeof(sb_dummy));
2458         sb_dummy.igu_sb_id = req->hw_sb;
2459         params.p_sb = &sb_dummy;
2460         params.sb_idx = req->sb_index;
2461
2462         memset(&vf_params, 0, sizeof(vf_params));
2463         vf_params.vfid = vf->relative_vf_id;
2464         vf_params.vf_qid = (u8)req->tx_qid;
2465         vf_params.vf_legacy = vf_legacy;
2466         vf_params.qid_usage_idx = qid_usage_idx;
2467
2468         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2469                                      &params, false, &vf_params);
2470         if (!p_cid)
2471                 goto out;
2472
2473         pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2474         rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2475                                       req->pbl_addr, req->pbl_size, pq);
2476         if (rc) {
2477                 status = PFVF_STATUS_FAILURE;
2478                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2479         } else {
2480                 status = PFVF_STATUS_SUCCESS;
2481                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2482                 p_queue->cids[qid_usage_idx].b_is_tx = true;
2483                 cid = p_cid->cid;
2484         }
2485
2486 out:
2487         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2488 }
2489
2490 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2491                                 struct qed_vf_info *vf,
2492                                 u16 rxq_id,
2493                                 u8 qid_usage_idx, bool cqe_completion)
2494 {
2495         struct qed_vf_queue *p_queue;
2496         int rc = 0;
2497
2498         if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2499                 DP_VERBOSE(p_hwfn,
2500                            QED_MSG_IOV,
2501                            "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2502                            vf->relative_vf_id, rxq_id, qid_usage_idx);
2503                 return -EINVAL;
2504         }
2505
2506         p_queue = &vf->vf_queues[rxq_id];
2507
2508         /* We've validated the index and the existence of the active RXQ -
2509          * now we need to make sure that it's using the correct qid.
2510          */
2511         if (!p_queue->cids[qid_usage_idx].p_cid ||
2512             p_queue->cids[qid_usage_idx].b_is_tx) {
2513                 struct qed_queue_cid *p_cid;
2514
2515                 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2516                 DP_VERBOSE(p_hwfn,
2517                            QED_MSG_IOV,
2518                            "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2519                            vf->relative_vf_id,
2520                            rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2521                 return -EINVAL;
2522         }
2523
2524         /* Now that we know we have a valid Rx-queue - close it */
2525         rc = qed_eth_rx_queue_stop(p_hwfn,
2526                                    p_queue->cids[qid_usage_idx].p_cid,
2527                                    false, cqe_completion);
2528         if (rc)
2529                 return rc;
2530
2531         p_queue->cids[qid_usage_idx].p_cid = NULL;
2532         vf->num_active_rxqs--;
2533
2534         return 0;
2535 }
2536
2537 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2538                                 struct qed_vf_info *vf,
2539                                 u16 txq_id, u8 qid_usage_idx)
2540 {
2541         struct qed_vf_queue *p_queue;
2542         int rc = 0;
2543
2544         if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2545                 return -EINVAL;
2546
2547         p_queue = &vf->vf_queues[txq_id];
2548         if (!p_queue->cids[qid_usage_idx].p_cid ||
2549             !p_queue->cids[qid_usage_idx].b_is_tx)
2550                 return -EINVAL;
2551
2552         rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2553         if (rc)
2554                 return rc;
2555
2556         p_queue->cids[qid_usage_idx].p_cid = NULL;
2557         return 0;
2558 }
2559
2560 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2561                                      struct qed_ptt *p_ptt,
2562                                      struct qed_vf_info *vf)
2563 {
2564         u16 length = sizeof(struct pfvf_def_resp_tlv);
2565         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2566         u8 status = PFVF_STATUS_FAILURE;
2567         struct vfpf_stop_rxqs_tlv *req;
2568         u8 qid_usage_idx;
2569         int rc;
2570
2571         /* There has never been an official driver that used this interface
2572          * for stopping multiple queues, and it is now considered deprecated.
2573          * Validate this isn't used here.
2574          */
2575         req = &mbx->req_virt->stop_rxqs;
2576         if (req->num_rxqs != 1) {
2577                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2578                            "Odd; VF[%d] tried stopping multiple Rx queues\n",
2579                            vf->relative_vf_id);
2580                 status = PFVF_STATUS_NOT_SUPPORTED;
2581                 goto out;
2582         }
2583
2584         /* Find which qid-index is associated with the queue */
2585         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2586         if (qid_usage_idx == QED_IOV_QID_INVALID)
2587                 goto out;
2588
2589         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2590                                   qid_usage_idx, req->cqe_completion);
2591         if (!rc)
2592                 status = PFVF_STATUS_SUCCESS;
2593 out:
2594         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2595                              length, status);
2596 }
2597
2598 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2599                                      struct qed_ptt *p_ptt,
2600                                      struct qed_vf_info *vf)
2601 {
2602         u16 length = sizeof(struct pfvf_def_resp_tlv);
2603         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2604         u8 status = PFVF_STATUS_FAILURE;
2605         struct vfpf_stop_txqs_tlv *req;
2606         u8 qid_usage_idx;
2607         int rc;
2608
2609         /* There has never been an official driver that used this interface
2610          * for stopping multiple queues, and it is now considered deprecated.
2611          * Validate this isn't used here.
2612          */
2613         req = &mbx->req_virt->stop_txqs;
2614         if (req->num_txqs != 1) {
2615                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2616                            "Odd; VF[%d] tried stopping multiple Tx queues\n",
2617                            vf->relative_vf_id);
2618                 status = PFVF_STATUS_NOT_SUPPORTED;
2619                 goto out;
2620         }
2621
2622         /* Find which qid-index is associated with the queue */
2623         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2624         if (qid_usage_idx == QED_IOV_QID_INVALID)
2625                 goto out;
2626
2627         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2628         if (!rc)
2629                 status = PFVF_STATUS_SUCCESS;
2630
2631 out:
2632         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2633                              length, status);
2634 }
2635
2636 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2637                                        struct qed_ptt *p_ptt,
2638                                        struct qed_vf_info *vf)
2639 {
2640         struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2641         u16 length = sizeof(struct pfvf_def_resp_tlv);
2642         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2643         struct vfpf_update_rxq_tlv *req;
2644         u8 status = PFVF_STATUS_FAILURE;
2645         u8 complete_event_flg;
2646         u8 complete_cqe_flg;
2647         u8 qid_usage_idx;
2648         int rc;
2649         u8 i;
2650
2651         req = &mbx->req_virt->update_rxq;
2652         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2653         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2654
2655         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2656         if (qid_usage_idx == QED_IOV_QID_INVALID)
2657                 goto out;
2658
2659         /* There shouldn't exist a VF that uses queue-qids yet uses this
2660          * API with multiple Rx queues. Validate this.
2661          */
2662         if ((vf->acquire.vfdev_info.capabilities &
2663              VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2664                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2665                            "VF[%d] supports QIDs but sends multiple queues\n",
2666                            vf->relative_vf_id);
2667                 goto out;
2668         }
2669
2670         /* Validate inputs - for the legacy case this is still true since
2671          * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2672          */
2673         for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2674                 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2675                                           QED_IOV_VALIDATE_Q_NA) ||
2676                     !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2677                     vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2678                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2679                                    "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2680                                    vf->relative_vf_id, req->rx_qid,
2681                                    req->num_rxqs);
2682                         goto out;
2683                 }
2684         }
2685
2686         /* Prepare the handlers */
2687         for (i = 0; i < req->num_rxqs; i++) {
2688                 u16 qid = req->rx_qid + i;
2689
2690                 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2691         }
2692
2693         rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2694                                          req->num_rxqs,
2695                                          complete_cqe_flg,
2696                                          complete_event_flg,
2697                                          QED_SPQ_MODE_EBLOCK, NULL);
2698         if (rc)
2699                 goto out;
2700
2701         status = PFVF_STATUS_SUCCESS;
2702 out:
2703         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2704                              length, status);
2705 }
2706
2707 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2708                                void *p_tlvs_list, u16 req_type)
2709 {
2710         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2711         int len = 0;
2712
2713         do {
2714                 if (!p_tlv->length) {
2715                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2716                         return NULL;
2717                 }
2718
2719                 if (p_tlv->type == req_type) {
2720                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2721                                    "Extended tlv type %d, length %d found\n",
2722                                    p_tlv->type, p_tlv->length);
2723                         return p_tlv;
2724                 }
2725
2726                 len += p_tlv->length;
2727                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2728
2729                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2730                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2731                         return NULL;
2732                 }
2733         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2734
2735         return NULL;
2736 }
2737
2738 static void
2739 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2740                             struct qed_sp_vport_update_params *p_data,
2741                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2742 {
2743         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2744         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2745
2746         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2747                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2748         if (!p_act_tlv)
2749                 return;
2750
2751         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2752         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2753         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2754         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2755         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2756 }
2757
2758 static void
2759 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2760                              struct qed_sp_vport_update_params *p_data,
2761                              struct qed_vf_info *p_vf,
2762                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2763 {
2764         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2765         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2766
2767         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2768                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2769         if (!p_vlan_tlv)
2770                 return;
2771
2772         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2773
2774         /* Ignore the VF request if we're forcing a vlan */
2775         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2776                 p_data->update_inner_vlan_removal_flg = 1;
2777                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2778         }
2779
2780         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2781 }
2782
2783 static void
2784 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2785                             struct qed_sp_vport_update_params *p_data,
2786                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2787 {
2788         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2789         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2790
2791         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2792                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2793                                                    tlv);
2794         if (!p_tx_switch_tlv)
2795                 return;
2796
2797         p_data->update_tx_switching_flg = 1;
2798         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2799         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2800 }
2801
2802 static void
2803 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2804                                   struct qed_sp_vport_update_params *p_data,
2805                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2806 {
2807         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2808         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2809
2810         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2811             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2812         if (!p_mcast_tlv)
2813                 return;
2814
2815         p_data->update_approx_mcast_flg = 1;
2816         memcpy(p_data->bins, p_mcast_tlv->bins,
2817                sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2818         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2819 }
2820
2821 static void
2822 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2823                               struct qed_sp_vport_update_params *p_data,
2824                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2825 {
2826         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2827         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2828         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2829
2830         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2831             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2832         if (!p_accept_tlv)
2833                 return;
2834
2835         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2836         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2837         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2838         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2839         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2840 }
2841
2842 static void
2843 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2844                                   struct qed_sp_vport_update_params *p_data,
2845                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2846 {
2847         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2848         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2849
2850         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2851                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2852                                                      tlv);
2853         if (!p_accept_any_vlan)
2854                 return;
2855
2856         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2857         p_data->update_accept_any_vlan_flg =
2858                     p_accept_any_vlan->update_accept_any_vlan_flg;
2859         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2860 }
2861
2862 static void
2863 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2864                             struct qed_vf_info *vf,
2865                             struct qed_sp_vport_update_params *p_data,
2866                             struct qed_rss_params *p_rss,
2867                             struct qed_iov_vf_mbx *p_mbx,
2868                             u16 *tlvs_mask, u16 *tlvs_accepted)
2869 {
2870         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2871         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2872         bool b_reject = false;
2873         u16 table_size;
2874         u16 i, q_idx;
2875
2876         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2877                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2878         if (!p_rss_tlv) {
2879                 p_data->rss_params = NULL;
2880                 return;
2881         }
2882
2883         memset(p_rss, 0, sizeof(struct qed_rss_params));
2884
2885         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2886                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2887         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2888                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2889         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2890                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2891         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2892                                    VFPF_UPDATE_RSS_KEY_FLAG);
2893
2894         p_rss->rss_enable = p_rss_tlv->rss_enable;
2895         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2896         p_rss->rss_caps = p_rss_tlv->rss_caps;
2897         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2898         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2899
2900         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2901                            (1 << p_rss_tlv->rss_table_size_log));
2902
2903         for (i = 0; i < table_size; i++) {
2904                 struct qed_queue_cid *p_cid;
2905
2906                 q_idx = p_rss_tlv->rss_ind_table[i];
2907                 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2908                                           QED_IOV_VALIDATE_Q_ENABLE)) {
2909                         DP_VERBOSE(p_hwfn,
2910                                    QED_MSG_IOV,
2911                                    "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2912                                    vf->relative_vf_id, q_idx);
2913                         b_reject = true;
2914                         goto out;
2915                 }
2916
2917                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2918                 p_rss->rss_ind_table[i] = p_cid;
2919         }
2920
2921         p_data->rss_params = p_rss;
2922 out:
2923         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2924         if (!b_reject)
2925                 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2926 }
2927
2928 static void
2929 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2930                                 struct qed_vf_info *vf,
2931                                 struct qed_sp_vport_update_params *p_data,
2932                                 struct qed_sge_tpa_params *p_sge_tpa,
2933                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2934 {
2935         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2936         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2937
2938         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2939             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2940
2941         if (!p_sge_tpa_tlv) {
2942                 p_data->sge_tpa_params = NULL;
2943                 return;
2944         }
2945
2946         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2947
2948         p_sge_tpa->update_tpa_en_flg =
2949             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2950         p_sge_tpa->update_tpa_param_flg =
2951             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2952                 VFPF_UPDATE_TPA_PARAM_FLAG);
2953
2954         p_sge_tpa->tpa_ipv4_en_flg =
2955             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2956         p_sge_tpa->tpa_ipv6_en_flg =
2957             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2958         p_sge_tpa->tpa_pkt_split_flg =
2959             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2960         p_sge_tpa->tpa_hdr_data_split_flg =
2961             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2962         p_sge_tpa->tpa_gro_consistent_flg =
2963             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2964
2965         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2966         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2967         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2968         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2969         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2970
2971         p_data->sge_tpa_params = p_sge_tpa;
2972
2973         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2974 }
2975
2976 static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2977                                     u8 vfid,
2978                                     struct qed_sp_vport_update_params *params,
2979                                     u16 *tlvs)
2980 {
2981         u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2982         struct qed_filter_accept_flags *flags = &params->accept_flags;
2983         struct qed_public_vf_info *vf_info;
2984
2985         /* Untrusted VFs can't even be trusted to know that fact.
2986          * Simply indicate everything is configured fine, and trace
2987          * configuration 'behind their back'.
2988          */
2989         if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
2990                 return 0;
2991
2992         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
2993
2994         if (flags->update_rx_mode_config) {
2995                 vf_info->rx_accept_mode = flags->rx_accept_filter;
2996                 if (!vf_info->is_trusted_configured)
2997                         flags->rx_accept_filter &= ~mask;
2998         }
2999
3000         if (flags->update_tx_mode_config) {
3001                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3002                 if (!vf_info->is_trusted_configured)
3003                         flags->tx_accept_filter &= ~mask;
3004         }
3005
3006         return 0;
3007 }
3008
3009 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3010                                         struct qed_ptt *p_ptt,
3011                                         struct qed_vf_info *vf)
3012 {
3013         struct qed_rss_params *p_rss_params = NULL;
3014         struct qed_sp_vport_update_params params;
3015         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3016         struct qed_sge_tpa_params sge_tpa_params;
3017         u16 tlvs_mask = 0, tlvs_accepted = 0;
3018         u8 status = PFVF_STATUS_SUCCESS;
3019         u16 length;
3020         int rc;
3021
3022         /* Valiate PF can send such a request */
3023         if (!vf->vport_instance) {
3024                 DP_VERBOSE(p_hwfn,
3025                            QED_MSG_IOV,
3026                            "No VPORT instance available for VF[%d], failing vport update\n",
3027                            vf->abs_vf_id);
3028                 status = PFVF_STATUS_FAILURE;
3029                 goto out;
3030         }
3031         p_rss_params = vzalloc(sizeof(*p_rss_params));
3032         if (p_rss_params == NULL) {
3033                 status = PFVF_STATUS_FAILURE;
3034                 goto out;
3035         }
3036
3037         memset(&params, 0, sizeof(params));
3038         params.opaque_fid = vf->opaque_fid;
3039         params.vport_id = vf->vport_id;
3040         params.rss_params = NULL;
3041
3042         /* Search for extended tlvs list and update values
3043          * from VF in struct qed_sp_vport_update_params.
3044          */
3045         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3046         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3047         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3048         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3049         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3050         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3051         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3052                                         &sge_tpa_params, mbx, &tlvs_mask);
3053
3054         tlvs_accepted = tlvs_mask;
3055
3056         /* Some of the extended TLVs need to be validated first; In that case,
3057          * they can update the mask without updating the accepted [so that
3058          * PF could communicate to VF it has rejected request].
3059          */
3060         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3061                                     mbx, &tlvs_mask, &tlvs_accepted);
3062
3063         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3064                                      &params, &tlvs_accepted)) {
3065                 tlvs_accepted = 0;
3066                 status = PFVF_STATUS_NOT_SUPPORTED;
3067                 goto out;
3068         }
3069
3070         if (!tlvs_accepted) {
3071                 if (tlvs_mask)
3072                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3073                                    "Upper-layer prevents VF vport configuration\n");
3074                 else
3075                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3076                                    "No feature tlvs found for vport update\n");
3077                 status = PFVF_STATUS_NOT_SUPPORTED;
3078                 goto out;
3079         }
3080
3081         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3082
3083         if (rc)
3084                 status = PFVF_STATUS_FAILURE;
3085
3086 out:
3087         vfree(p_rss_params);
3088         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3089                                                   tlvs_mask, tlvs_accepted);
3090         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3091 }
3092
3093 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3094                                          struct qed_vf_info *p_vf,
3095                                          struct qed_filter_ucast *p_params)
3096 {
3097         int i;
3098
3099         /* First remove entries and then add new ones */
3100         if (p_params->opcode == QED_FILTER_REMOVE) {
3101                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3102                         if (p_vf->shadow_config.vlans[i].used &&
3103                             p_vf->shadow_config.vlans[i].vid ==
3104                             p_params->vlan) {
3105                                 p_vf->shadow_config.vlans[i].used = false;
3106                                 break;
3107                         }
3108                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3109                         DP_VERBOSE(p_hwfn,
3110                                    QED_MSG_IOV,
3111                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3112                                    p_vf->relative_vf_id);
3113                         return -EINVAL;
3114                 }
3115         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3116                    p_params->opcode == QED_FILTER_FLUSH) {
3117                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3118                         p_vf->shadow_config.vlans[i].used = false;
3119         }
3120
3121         /* In forced mode, we're willing to remove entries - but we don't add
3122          * new ones.
3123          */
3124         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3125                 return 0;
3126
3127         if (p_params->opcode == QED_FILTER_ADD ||
3128             p_params->opcode == QED_FILTER_REPLACE) {
3129                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3130                         if (p_vf->shadow_config.vlans[i].used)
3131                                 continue;
3132
3133                         p_vf->shadow_config.vlans[i].used = true;
3134                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3135                         break;
3136                 }
3137
3138                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3139                         DP_VERBOSE(p_hwfn,
3140                                    QED_MSG_IOV,
3141                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3142                                    p_vf->relative_vf_id,
3143                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3144                         return -EINVAL;
3145                 }
3146         }
3147
3148         return 0;
3149 }
3150
3151 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3152                                         struct qed_vf_info *p_vf,
3153                                         struct qed_filter_ucast *p_params)
3154 {
3155         int i;
3156
3157         /* If we're in forced-mode, we don't allow any change */
3158         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3159                 return 0;
3160
3161         /* Don't keep track of shadow copy since we don't intend to restore. */
3162         if (p_vf->p_vf_info.is_trusted_configured)
3163                 return 0;
3164
3165         /* First remove entries and then add new ones */
3166         if (p_params->opcode == QED_FILTER_REMOVE) {
3167                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3168                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3169                                              p_params->mac)) {
3170                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3171                                 break;
3172                         }
3173                 }
3174
3175                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3176                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3177                                    "MAC isn't configured\n");
3178                         return -EINVAL;
3179                 }
3180         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3181                    p_params->opcode == QED_FILTER_FLUSH) {
3182                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3183                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3184         }
3185
3186         /* List the new MAC address */
3187         if (p_params->opcode != QED_FILTER_ADD &&
3188             p_params->opcode != QED_FILTER_REPLACE)
3189                 return 0;
3190
3191         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3192                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3193                         ether_addr_copy(p_vf->shadow_config.macs[i],
3194                                         p_params->mac);
3195                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3196                                    "Added MAC at %d entry in shadow\n", i);
3197                         break;
3198                 }
3199         }
3200
3201         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3202                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3203                 return -EINVAL;
3204         }
3205
3206         return 0;
3207 }
3208
3209 static int
3210 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3211                                  struct qed_vf_info *p_vf,
3212                                  struct qed_filter_ucast *p_params)
3213 {
3214         int rc = 0;
3215
3216         if (p_params->type == QED_FILTER_MAC) {
3217                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3218                 if (rc)
3219                         return rc;
3220         }
3221
3222         if (p_params->type == QED_FILTER_VLAN)
3223                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3224
3225         return rc;
3226 }
3227
3228 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3229                              int vfid, struct qed_filter_ucast *params)
3230 {
3231         struct qed_public_vf_info *vf;
3232
3233         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3234         if (!vf)
3235                 return -EINVAL;
3236
3237         /* No real decision to make; Store the configured MAC */
3238         if (params->type == QED_FILTER_MAC ||
3239             params->type == QED_FILTER_MAC_VLAN) {
3240                 ether_addr_copy(vf->mac, params->mac);
3241
3242                 if (vf->is_trusted_configured) {
3243                         qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3244
3245                         /* Update and post bulleitin again */
3246                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3247                 }
3248         }
3249
3250         return 0;
3251 }
3252
3253 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3254                                         struct qed_ptt *p_ptt,
3255                                         struct qed_vf_info *vf)
3256 {
3257         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3258         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3259         struct vfpf_ucast_filter_tlv *req;
3260         u8 status = PFVF_STATUS_SUCCESS;
3261         struct qed_filter_ucast params;
3262         int rc;
3263
3264         /* Prepare the unicast filter params */
3265         memset(&params, 0, sizeof(struct qed_filter_ucast));
3266         req = &mbx->req_virt->ucast_filter;
3267         params.opcode = (enum qed_filter_opcode)req->opcode;
3268         params.type = (enum qed_filter_ucast_type)req->type;
3269
3270         params.is_rx_filter = 1;
3271         params.is_tx_filter = 1;
3272         params.vport_to_remove_from = vf->vport_id;
3273         params.vport_to_add_to = vf->vport_id;
3274         memcpy(params.mac, req->mac, ETH_ALEN);
3275         params.vlan = req->vlan;
3276
3277         DP_VERBOSE(p_hwfn,
3278                    QED_MSG_IOV,
3279                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3280                    vf->abs_vf_id, params.opcode, params.type,
3281                    params.is_rx_filter ? "RX" : "",
3282                    params.is_tx_filter ? "TX" : "",
3283                    params.vport_to_add_to,
3284                    params.mac[0], params.mac[1],
3285                    params.mac[2], params.mac[3],
3286                    params.mac[4], params.mac[5], params.vlan);
3287
3288         if (!vf->vport_instance) {
3289                 DP_VERBOSE(p_hwfn,
3290                            QED_MSG_IOV,
3291                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3292                            vf->abs_vf_id);
3293                 status = PFVF_STATUS_FAILURE;
3294                 goto out;
3295         }
3296
3297         /* Update shadow copy of the VF configuration */
3298         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3299                 status = PFVF_STATUS_FAILURE;
3300                 goto out;
3301         }
3302
3303         /* Determine if the unicast filtering is acceptible by PF */
3304         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3305             (params.type == QED_FILTER_VLAN ||
3306              params.type == QED_FILTER_MAC_VLAN)) {
3307                 /* Once VLAN is forced or PVID is set, do not allow
3308                  * to add/replace any further VLANs.
3309                  */
3310                 if (params.opcode == QED_FILTER_ADD ||
3311                     params.opcode == QED_FILTER_REPLACE)
3312                         status = PFVF_STATUS_FORCED;
3313                 goto out;
3314         }
3315
3316         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3317             (params.type == QED_FILTER_MAC ||
3318              params.type == QED_FILTER_MAC_VLAN)) {
3319                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3320                     (params.opcode != QED_FILTER_ADD &&
3321                      params.opcode != QED_FILTER_REPLACE))
3322                         status = PFVF_STATUS_FORCED;
3323                 goto out;
3324         }
3325
3326         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3327         if (rc) {
3328                 status = PFVF_STATUS_FAILURE;
3329                 goto out;
3330         }
3331
3332         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3333                                      QED_SPQ_MODE_CB, NULL);
3334         if (rc)
3335                 status = PFVF_STATUS_FAILURE;
3336
3337 out:
3338         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3339                              sizeof(struct pfvf_def_resp_tlv), status);
3340 }
3341
3342 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3343                                        struct qed_ptt *p_ptt,
3344                                        struct qed_vf_info *vf)
3345 {
3346         int i;
3347
3348         /* Reset the SBs */
3349         for (i = 0; i < vf->num_sbs; i++)
3350                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3351                                                 vf->igu_sbs[i],
3352                                                 vf->opaque_fid, false);
3353
3354         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3355                              sizeof(struct pfvf_def_resp_tlv),
3356                              PFVF_STATUS_SUCCESS);
3357 }
3358
3359 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3360                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3361 {
3362         u16 length = sizeof(struct pfvf_def_resp_tlv);
3363         u8 status = PFVF_STATUS_SUCCESS;
3364
3365         /* Disable Interrupts for VF */
3366         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3367
3368         /* Reset Permission table */
3369         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3370
3371         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3372                              length, status);
3373 }
3374
3375 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3376                                    struct qed_ptt *p_ptt,
3377                                    struct qed_vf_info *p_vf)
3378 {
3379         u16 length = sizeof(struct pfvf_def_resp_tlv);
3380         u8 status = PFVF_STATUS_SUCCESS;
3381         int rc = 0;
3382
3383         qed_iov_vf_cleanup(p_hwfn, p_vf);
3384
3385         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3386                 /* Stopping the VF */
3387                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3388                                     p_vf->opaque_fid);
3389
3390                 if (rc) {
3391                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3392                                rc);
3393                         status = PFVF_STATUS_FAILURE;
3394                 }
3395
3396                 p_vf->state = VF_STOPPED;
3397         }
3398
3399         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3400                              length, status);
3401 }
3402
3403 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3404                                        struct qed_ptt *p_ptt,
3405                                        struct qed_vf_info *p_vf)
3406 {
3407         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3408         struct pfvf_read_coal_resp_tlv *p_resp;
3409         struct vfpf_read_coal_req_tlv *req;
3410         u8 status = PFVF_STATUS_FAILURE;
3411         struct qed_vf_queue *p_queue;
3412         struct qed_queue_cid *p_cid;
3413         u16 coal = 0, qid, i;
3414         bool b_is_rx;
3415         int rc = 0;
3416
3417         mbx->offset = (u8 *)mbx->reply_virt;
3418         req = &mbx->req_virt->read_coal_req;
3419
3420         qid = req->qid;
3421         b_is_rx = req->is_rx ? true : false;
3422
3423         if (b_is_rx) {
3424                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3425                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3426                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3427                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3428                                    p_vf->abs_vf_id, qid);
3429                         goto send_resp;
3430                 }
3431
3432                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3433                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3434                 if (rc)
3435                         goto send_resp;
3436         } else {
3437                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3438                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3439                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3440                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3441                                    p_vf->abs_vf_id, qid);
3442                         goto send_resp;
3443                 }
3444                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3445                         p_queue = &p_vf->vf_queues[qid];
3446                         if ((!p_queue->cids[i].p_cid) ||
3447                             (!p_queue->cids[i].b_is_tx))
3448                                 continue;
3449
3450                         p_cid = p_queue->cids[i].p_cid;
3451
3452                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3453                         if (rc)
3454                                 goto send_resp;
3455                         break;
3456                 }
3457         }
3458
3459         status = PFVF_STATUS_SUCCESS;
3460
3461 send_resp:
3462         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3463                              sizeof(*p_resp));
3464         p_resp->coal = coal;
3465
3466         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3467                     sizeof(struct channel_list_end_tlv));
3468
3469         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3470 }
3471
3472 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3473                                        struct qed_ptt *p_ptt,
3474                                        struct qed_vf_info *vf)
3475 {
3476         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3477         struct vfpf_update_coalesce *req;
3478         u8 status = PFVF_STATUS_FAILURE;
3479         struct qed_queue_cid *p_cid;
3480         u16 rx_coal, tx_coal;
3481         int rc = 0, i;
3482         u16 qid;
3483
3484         req = &mbx->req_virt->update_coalesce;
3485
3486         rx_coal = req->rx_coal;
3487         tx_coal = req->tx_coal;
3488         qid = req->qid;
3489
3490         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3491                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3492                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3493                            "VF[%d]: Invalid Rx queue_id = %d\n",
3494                            vf->abs_vf_id, qid);
3495                 goto out;
3496         }
3497
3498         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3499                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3500                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3501                            "VF[%d]: Invalid Tx queue_id = %d\n",
3502                            vf->abs_vf_id, qid);
3503                 goto out;
3504         }
3505
3506         DP_VERBOSE(p_hwfn,
3507                    QED_MSG_IOV,
3508                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3509                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3510
3511         if (rx_coal) {
3512                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3513
3514                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3515                 if (rc) {
3516                         DP_VERBOSE(p_hwfn,
3517                                    QED_MSG_IOV,
3518                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3519                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3520                         goto out;
3521                 }
3522                 vf->rx_coal = rx_coal;
3523         }
3524
3525         if (tx_coal) {
3526                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3527
3528                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3529                         if (!p_queue->cids[i].p_cid)
3530                                 continue;
3531
3532                         if (!p_queue->cids[i].b_is_tx)
3533                                 continue;
3534
3535                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3536                                                   p_queue->cids[i].p_cid);
3537
3538                         if (rc) {
3539                                 DP_VERBOSE(p_hwfn,
3540                                            QED_MSG_IOV,
3541                                            "VF[%d]: Unable to set tx queue coalesce\n",
3542                                            vf->abs_vf_id);
3543                                 goto out;
3544                         }
3545                 }
3546                 vf->tx_coal = tx_coal;
3547         }
3548
3549         status = PFVF_STATUS_SUCCESS;
3550 out:
3551         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3552                              sizeof(struct pfvf_def_resp_tlv), status);
3553 }
3554 static int
3555 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3556                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3557 {
3558         int cnt;
3559         u32 val;
3560
3561         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3562
3563         for (cnt = 0; cnt < 50; cnt++) {
3564                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3565                 if (!val)
3566                         break;
3567                 msleep(20);
3568         }
3569         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3570
3571         if (cnt == 50) {
3572                 DP_ERR(p_hwfn,
3573                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3574                        p_vf->abs_vf_id, val);
3575                 return -EBUSY;
3576         }
3577
3578         return 0;
3579 }
3580
3581 static int
3582 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3583                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3584 {
3585         u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3586         int i, cnt;
3587
3588         /* Read initial consumers & producers */
3589         for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3590                 u32 prod;
3591
3592                 cons[i] = qed_rd(p_hwfn, p_ptt,
3593                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3594                                  i * 0x40);
3595                 prod = qed_rd(p_hwfn, p_ptt,
3596                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3597                               i * 0x40);
3598                 distance[i] = prod - cons[i];
3599         }
3600
3601         /* Wait for consumers to pass the producers */
3602         i = 0;
3603         for (cnt = 0; cnt < 50; cnt++) {
3604                 for (; i < MAX_NUM_VOQS_E4; i++) {
3605                         u32 tmp;
3606
3607                         tmp = qed_rd(p_hwfn, p_ptt,
3608                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3609                                      i * 0x40);
3610                         if (distance[i] > tmp - cons[i])
3611                                 break;
3612                 }
3613
3614                 if (i == MAX_NUM_VOQS_E4)
3615                         break;
3616
3617                 msleep(20);
3618         }
3619
3620         if (cnt == 50) {
3621                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3622                        p_vf->abs_vf_id, i);
3623                 return -EBUSY;
3624         }
3625
3626         return 0;
3627 }
3628
3629 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3630                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3631 {
3632         int rc;
3633
3634         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3635         if (rc)
3636                 return rc;
3637
3638         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3639         if (rc)
3640                 return rc;
3641
3642         return 0;
3643 }
3644
3645 static int
3646 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3647                                struct qed_ptt *p_ptt,
3648                                u16 rel_vf_id, u32 *ack_vfs)
3649 {
3650         struct qed_vf_info *p_vf;
3651         int rc = 0;
3652
3653         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3654         if (!p_vf)
3655                 return 0;
3656
3657         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3658             (1ULL << (rel_vf_id % 64))) {
3659                 u16 vfid = p_vf->abs_vf_id;
3660
3661                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3662                            "VF[%d] - Handling FLR\n", vfid);
3663
3664                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3665
3666                 /* If VF isn't active, no need for anything but SW */
3667                 if (!p_vf->b_init)
3668                         goto cleanup;
3669
3670                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3671                 if (rc)
3672                         goto cleanup;
3673
3674                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3675                 if (rc) {
3676                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3677                         return rc;
3678                 }
3679
3680                 /* Workaround to make VF-PF channel ready, as FW
3681                  * doesn't do that as a part of FLR.
3682                  */
3683                 REG_WR(p_hwfn,
3684                        GTT_BAR0_MAP_REG_USDM_RAM +
3685                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3686
3687                 /* VF_STOPPED has to be set only after final cleanup
3688                  * but prior to re-enabling the VF.
3689                  */
3690                 p_vf->state = VF_STOPPED;
3691
3692                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3693                 if (rc) {
3694                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3695                                vfid);
3696                         return rc;
3697                 }
3698 cleanup:
3699                 /* Mark VF for ack and clean pending state */
3700                 if (p_vf->state == VF_RESET)
3701                         p_vf->state = VF_STOPPED;
3702                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3703                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3704                     ~(1ULL << (rel_vf_id % 64));
3705                 p_vf->vf_mbx.b_pending_msg = false;
3706         }
3707
3708         return rc;
3709 }
3710
3711 static int
3712 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3713 {
3714         u32 ack_vfs[VF_MAX_STATIC / 32];
3715         int rc = 0;
3716         u16 i;
3717
3718         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3719
3720         /* Since BRB <-> PRS interface can't be tested as part of the flr
3721          * polling due to HW limitations, simply sleep a bit. And since
3722          * there's no need to wait per-vf, do it before looping.
3723          */
3724         msleep(100);
3725
3726         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3727                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3728
3729         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3730         return rc;
3731 }
3732
3733 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3734 {
3735         bool found = false;
3736         u16 i;
3737
3738         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3739         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3740                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3741                            "[%08x,...,%08x]: %08x\n",
3742                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3743
3744         if (!p_hwfn->cdev->p_iov_info) {
3745                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3746                 return false;
3747         }
3748
3749         /* Mark VFs */
3750         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3751                 struct qed_vf_info *p_vf;
3752                 u8 vfid;
3753
3754                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3755                 if (!p_vf)
3756                         continue;
3757
3758                 vfid = p_vf->abs_vf_id;
3759                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3760                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3761                         u16 rel_vf_id = p_vf->relative_vf_id;
3762
3763                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3764                                    "VF[%d] [rel %d] got FLR-ed\n",
3765                                    vfid, rel_vf_id);
3766
3767                         p_vf->state = VF_RESET;
3768
3769                         /* No need to lock here, since pending_flr should
3770                          * only change here and before ACKing MFw. Since
3771                          * MFW will not trigger an additional attention for
3772                          * VF flr until ACKs, we're safe.
3773                          */
3774                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3775                         found = true;
3776                 }
3777         }
3778
3779         return found;
3780 }
3781
3782 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3783                              u16 vfid,
3784                              struct qed_mcp_link_params *p_params,
3785                              struct qed_mcp_link_state *p_link,
3786                              struct qed_mcp_link_capabilities *p_caps)
3787 {
3788         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3789                                                        vfid,
3790                                                        false);
3791         struct qed_bulletin_content *p_bulletin;
3792
3793         if (!p_vf)
3794                 return;
3795
3796         p_bulletin = p_vf->bulletin.p_virt;
3797
3798         if (p_params)
3799                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3800         if (p_link)
3801                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3802         if (p_caps)
3803                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3804 }
3805
3806 static int
3807 qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3808                                   struct qed_ptt *p_ptt,
3809                                   struct qed_vf_info *p_vf)
3810 {
3811         struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3812         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3813         struct vfpf_bulletin_update_mac_tlv *p_req;
3814         u8 status = PFVF_STATUS_SUCCESS;
3815         int rc = 0;
3816
3817         if (!p_vf->p_vf_info.is_trusted_configured) {
3818                 DP_VERBOSE(p_hwfn,
3819                            QED_MSG_IOV,
3820                            "Blocking bulletin update request from untrusted VF[%d]\n",
3821                            p_vf->abs_vf_id);
3822                 status = PFVF_STATUS_NOT_SUPPORTED;
3823                 rc = -EINVAL;
3824                 goto send_status;
3825         }
3826
3827         p_req = &mbx->req_virt->bulletin_update_mac;
3828         ether_addr_copy(p_bulletin->mac, p_req->mac);
3829         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3830                    "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3831                    p_vf->abs_vf_id, p_req->mac);
3832
3833 send_status:
3834         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3835                              CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3836                              sizeof(struct pfvf_def_resp_tlv), status);
3837         return rc;
3838 }
3839
3840 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3841                                     struct qed_ptt *p_ptt, int vfid)
3842 {
3843         struct qed_iov_vf_mbx *mbx;
3844         struct qed_vf_info *p_vf;
3845
3846         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3847         if (!p_vf)
3848                 return;
3849
3850         mbx = &p_vf->vf_mbx;
3851
3852         /* qed_iov_process_mbx_request */
3853         if (!mbx->b_pending_msg) {
3854                 DP_NOTICE(p_hwfn,
3855                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3856                           p_vf->abs_vf_id);
3857                 return;
3858         }
3859         mbx->b_pending_msg = false;
3860
3861         mbx->first_tlv = mbx->req_virt->first_tlv;
3862
3863         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3864                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3865                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3866
3867         /* check if tlv type is known */
3868         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3869             !p_vf->b_malicious) {
3870                 switch (mbx->first_tlv.tl.type) {
3871                 case CHANNEL_TLV_ACQUIRE:
3872                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3873                         break;
3874                 case CHANNEL_TLV_VPORT_START:
3875                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3876                         break;
3877                 case CHANNEL_TLV_VPORT_TEARDOWN:
3878                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3879                         break;
3880                 case CHANNEL_TLV_START_RXQ:
3881                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3882                         break;
3883                 case CHANNEL_TLV_START_TXQ:
3884                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3885                         break;
3886                 case CHANNEL_TLV_STOP_RXQS:
3887                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3888                         break;
3889                 case CHANNEL_TLV_STOP_TXQS:
3890                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3891                         break;
3892                 case CHANNEL_TLV_UPDATE_RXQ:
3893                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3894                         break;
3895                 case CHANNEL_TLV_VPORT_UPDATE:
3896                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3897                         break;
3898                 case CHANNEL_TLV_UCAST_FILTER:
3899                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3900                         break;
3901                 case CHANNEL_TLV_CLOSE:
3902                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3903                         break;
3904                 case CHANNEL_TLV_INT_CLEANUP:
3905                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3906                         break;
3907                 case CHANNEL_TLV_RELEASE:
3908                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3909                         break;
3910                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3911                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3912                         break;
3913                 case CHANNEL_TLV_COALESCE_UPDATE:
3914                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3915                         break;
3916                 case CHANNEL_TLV_COALESCE_READ:
3917                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3918                         break;
3919                 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3920                         qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3921                         break;
3922                 }
3923         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3924                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3925                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3926                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3927
3928                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3929                                      mbx->first_tlv.tl.type,
3930                                      sizeof(struct pfvf_def_resp_tlv),
3931                                      PFVF_STATUS_MALICIOUS);
3932         } else {
3933                 /* unknown TLV - this may belong to a VF driver from the future
3934                  * - a version written after this PF driver was written, which
3935                  * supports features unknown as of yet. Too bad since we don't
3936                  * support them. Or this may be because someone wrote a crappy
3937                  * VF driver and is sending garbage over the channel.
3938                  */
3939                 DP_NOTICE(p_hwfn,
3940                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3941                           p_vf->abs_vf_id,
3942                           mbx->first_tlv.tl.type,
3943                           mbx->first_tlv.tl.length,
3944                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3945
3946                 /* Try replying in case reply address matches the acquisition's
3947                  * posted address.
3948                  */
3949                 if (p_vf->acquire.first_tlv.reply_address &&
3950                     (mbx->first_tlv.reply_address ==
3951                      p_vf->acquire.first_tlv.reply_address)) {
3952                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3953                                              mbx->first_tlv.tl.type,
3954                                              sizeof(struct pfvf_def_resp_tlv),
3955                                              PFVF_STATUS_NOT_SUPPORTED);
3956                 } else {
3957                         DP_VERBOSE(p_hwfn,
3958                                    QED_MSG_IOV,
3959                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3960                                    p_vf->abs_vf_id);
3961                 }
3962         }
3963 }
3964
3965 static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3966 {
3967         int i;
3968
3969         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3970
3971         qed_for_each_vf(p_hwfn, i) {
3972                 struct qed_vf_info *p_vf;
3973
3974                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3975                 if (p_vf->vf_mbx.b_pending_msg)
3976                         events[i / 64] |= 1ULL << (i % 64);
3977         }
3978 }
3979
3980 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3981                                                        u16 abs_vfid)
3982 {
3983         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3984
3985         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
3986                 DP_VERBOSE(p_hwfn,
3987                            QED_MSG_IOV,
3988                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
3989                            abs_vfid);
3990                 return NULL;
3991         }
3992
3993         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
3994 }
3995
3996 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3997                               u16 abs_vfid, struct regpair *vf_msg)
3998 {
3999         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
4000                            abs_vfid);
4001
4002         if (!p_vf)
4003                 return 0;
4004
4005         /* List the physical address of the request so that handler
4006          * could later on copy the message from it.
4007          */
4008         p_vf->vf_mbx.pending_req = HILO_64(vf_msg->hi, vf_msg->lo);
4009
4010         /* Mark the event and schedule the workqueue */
4011         p_vf->vf_mbx.b_pending_msg = true;
4012         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4013
4014         return 0;
4015 }
4016
4017 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4018                                      struct malicious_vf_eqe_data *p_data)
4019 {
4020         struct qed_vf_info *p_vf;
4021
4022         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4023
4024         if (!p_vf)
4025                 return;
4026
4027         if (!p_vf->b_malicious) {
4028                 DP_NOTICE(p_hwfn,
4029                           "VF [%d] - Malicious behavior [%02x]\n",
4030                           p_vf->abs_vf_id, p_data->err_id);
4031
4032                 p_vf->b_malicious = true;
4033         } else {
4034                 DP_INFO(p_hwfn,
4035                         "VF [%d] - Malicious behavior [%02x]\n",
4036                         p_vf->abs_vf_id, p_data->err_id);
4037         }
4038 }
4039
4040 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo,
4041                                union event_ring_data *data, u8 fw_return_code)
4042 {
4043         switch (opcode) {
4044         case COMMON_EVENT_VF_PF_CHANNEL:
4045                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4046                                           &data->vf_pf_channel.msg_addr);
4047         case COMMON_EVENT_MALICIOUS_VF:
4048                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4049                 return 0;
4050         default:
4051                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4052                         opcode);
4053                 return -EINVAL;
4054         }
4055 }
4056
4057 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4058 {
4059         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4060         u16 i;
4061
4062         if (!p_iov)
4063                 goto out;
4064
4065         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4066                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4067                         return i;
4068
4069 out:
4070         return MAX_NUM_VFS;
4071 }
4072
4073 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4074                                int vfid)
4075 {
4076         struct qed_dmae_params params;
4077         struct qed_vf_info *vf_info;
4078
4079         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4080         if (!vf_info)
4081                 return -EINVAL;
4082
4083         memset(&params, 0, sizeof(params));
4084         SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1);
4085         SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1);
4086         params.src_vfid = vf_info->abs_vf_id;
4087
4088         if (qed_dmae_host2host(p_hwfn, ptt,
4089                                vf_info->vf_mbx.pending_req,
4090                                vf_info->vf_mbx.req_phys,
4091                                sizeof(union vfpf_tlvs) / 4, &params)) {
4092                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4093                            "Failed to copy message from VF 0x%02x\n", vfid);
4094
4095                 return -EIO;
4096         }
4097
4098         return 0;
4099 }
4100
4101 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4102                                             u8 *mac, int vfid)
4103 {
4104         struct qed_vf_info *vf_info;
4105         u64 feature;
4106
4107         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4108         if (!vf_info) {
4109                 DP_NOTICE(p_hwfn->cdev,
4110                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4111                 return;
4112         }
4113
4114         if (vf_info->b_malicious) {
4115                 DP_NOTICE(p_hwfn->cdev,
4116                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4117                 return;
4118         }
4119
4120         if (vf_info->p_vf_info.is_trusted_configured) {
4121                 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4122                 /* Trust mode will disable Forced MAC */
4123                 vf_info->bulletin.p_virt->valid_bitmap &=
4124                         ~BIT(MAC_ADDR_FORCED);
4125         } else {
4126                 feature = BIT(MAC_ADDR_FORCED);
4127                 /* Forced MAC will disable MAC_ADDR */
4128                 vf_info->bulletin.p_virt->valid_bitmap &=
4129                         ~BIT(VFPF_BULLETIN_MAC_ADDR);
4130         }
4131
4132         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4133
4134         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4135
4136         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4137 }
4138
4139 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4140 {
4141         struct qed_vf_info *vf_info;
4142         u64 feature;
4143
4144         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4145         if (!vf_info) {
4146                 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4147                           vfid);
4148                 return -EINVAL;
4149         }
4150
4151         if (vf_info->b_malicious) {
4152                 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4153                           vfid);
4154                 return -EINVAL;
4155         }
4156
4157         if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4158                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4159                            "Can not set MAC, Forced MAC is configured\n");
4160                 return -EINVAL;
4161         }
4162
4163         feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4164         ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4165
4166         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4167
4168         if (vf_info->p_vf_info.is_trusted_configured)
4169                 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4170
4171         return 0;
4172 }
4173
4174 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4175                                              u16 pvid, int vfid)
4176 {
4177         struct qed_vf_info *vf_info;
4178         u64 feature;
4179
4180         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4181         if (!vf_info) {
4182                 DP_NOTICE(p_hwfn->cdev,
4183                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4184                 return;
4185         }
4186
4187         if (vf_info->b_malicious) {
4188                 DP_NOTICE(p_hwfn->cdev,
4189                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4190                 return;
4191         }
4192
4193         feature = 1 << VLAN_ADDR_FORCED;
4194         vf_info->bulletin.p_virt->pvid = pvid;
4195         if (pvid)
4196                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4197         else
4198                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4199
4200         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4201 }
4202
4203 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4204                                     int vfid, u16 vxlan_port, u16 geneve_port)
4205 {
4206         struct qed_vf_info *vf_info;
4207
4208         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4209         if (!vf_info) {
4210                 DP_NOTICE(p_hwfn->cdev,
4211                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4212                 return;
4213         }
4214
4215         if (vf_info->b_malicious) {
4216                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4217                            "Can not set udp ports to malicious VF [%d]\n",
4218                            vfid);
4219                 return;
4220         }
4221
4222         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4223         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4224 }
4225
4226 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4227 {
4228         struct qed_vf_info *p_vf_info;
4229
4230         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4231         if (!p_vf_info)
4232                 return false;
4233
4234         return !!p_vf_info->vport_instance;
4235 }
4236
4237 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4238 {
4239         struct qed_vf_info *p_vf_info;
4240
4241         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4242         if (!p_vf_info)
4243                 return true;
4244
4245         return p_vf_info->state == VF_STOPPED;
4246 }
4247
4248 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4249 {
4250         struct qed_vf_info *vf_info;
4251
4252         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4253         if (!vf_info)
4254                 return false;
4255
4256         return vf_info->spoof_chk;
4257 }
4258
4259 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4260 {
4261         struct qed_vf_info *vf;
4262         int rc = -EINVAL;
4263
4264         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4265                 DP_NOTICE(p_hwfn,
4266                           "SR-IOV sanity check failed, can't set spoofchk\n");
4267                 goto out;
4268         }
4269
4270         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4271         if (!vf)
4272                 goto out;
4273
4274         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4275                 /* After VF VPORT start PF will configure spoof check */
4276                 vf->req_spoofchk_val = val;
4277                 rc = 0;
4278                 goto out;
4279         }
4280
4281         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4282
4283 out:
4284         return rc;
4285 }
4286
4287 static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4288 {
4289         struct qed_vf_info *p_vf;
4290
4291         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4292         if (!p_vf || !p_vf->bulletin.p_virt)
4293                 return NULL;
4294
4295         if (!(p_vf->bulletin.p_virt->valid_bitmap &
4296               BIT(VFPF_BULLETIN_MAC_ADDR)))
4297                 return NULL;
4298
4299         return p_vf->bulletin.p_virt->mac;
4300 }
4301
4302 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4303                                            u16 rel_vf_id)
4304 {
4305         struct qed_vf_info *p_vf;
4306
4307         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4308         if (!p_vf || !p_vf->bulletin.p_virt)
4309                 return NULL;
4310
4311         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4312                 return NULL;
4313
4314         return p_vf->bulletin.p_virt->mac;
4315 }
4316
4317 static u16
4318 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4319 {
4320         struct qed_vf_info *p_vf;
4321
4322         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4323         if (!p_vf || !p_vf->bulletin.p_virt)
4324                 return 0;
4325
4326         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4327                 return 0;
4328
4329         return p_vf->bulletin.p_virt->pvid;
4330 }
4331
4332 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4333                                      struct qed_ptt *p_ptt, int vfid, int val)
4334 {
4335         struct qed_vf_info *vf;
4336         u8 abs_vp_id = 0;
4337         u16 rl_id;
4338         int rc;
4339
4340         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4341         if (!vf)
4342                 return -EINVAL;
4343
4344         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4345         if (rc)
4346                 return rc;
4347
4348         rl_id = abs_vp_id;      /* The "rl_id" is set as the "vport_id" */
4349         return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val);
4350 }
4351
4352 static int
4353 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4354 {
4355         struct qed_vf_info *vf;
4356         u8 vport_id;
4357         int i;
4358
4359         for_each_hwfn(cdev, i) {
4360                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4361
4362                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4363                         DP_NOTICE(p_hwfn,
4364                                   "SR-IOV sanity check failed, can't set min rate\n");
4365                         return -EINVAL;
4366                 }
4367         }
4368
4369         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4370         vport_id = vf->vport_id;
4371
4372         return qed_configure_vport_wfq(cdev, vport_id, rate);
4373 }
4374
4375 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4376 {
4377         struct qed_wfq_data *vf_vp_wfq;
4378         struct qed_vf_info *vf_info;
4379
4380         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4381         if (!vf_info)
4382                 return 0;
4383
4384         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4385
4386         if (vf_vp_wfq->configured)
4387                 return vf_vp_wfq->min_speed;
4388         else
4389                 return 0;
4390 }
4391
4392 /**
4393  * qed_schedule_iov - schedules IOV task for VF and PF
4394  * @hwfn: hardware function pointer
4395  * @flag: IOV flag for VF/PF
4396  */
4397 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4398 {
4399         smp_mb__before_atomic();
4400         set_bit(flag, &hwfn->iov_task_flags);
4401         smp_mb__after_atomic();
4402         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4403         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4404 }
4405
4406 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4407 {
4408         int i;
4409
4410         for_each_hwfn(cdev, i)
4411             queue_delayed_work(cdev->hwfns[i].iov_wq,
4412                                &cdev->hwfns[i].iov_task, 0);
4413 }
4414
4415 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4416 {
4417         int i, j;
4418
4419         for_each_hwfn(cdev, i)
4420             if (cdev->hwfns[i].iov_wq)
4421                 flush_workqueue(cdev->hwfns[i].iov_wq);
4422
4423         /* Mark VFs for disablement */
4424         qed_iov_set_vfs_to_disable(cdev, true);
4425
4426         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4427                 pci_disable_sriov(cdev->pdev);
4428
4429         if (cdev->recov_in_prog) {
4430                 DP_VERBOSE(cdev,
4431                            QED_MSG_IOV,
4432                            "Skip SRIOV disable operations in the device since a recovery is in progress\n");
4433                 goto out;
4434         }
4435
4436         for_each_hwfn(cdev, i) {
4437                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4438                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4439
4440                 /* Failure to acquire the ptt in 100g creates an odd error
4441                  * where the first engine has already relased IOV.
4442                  */
4443                 if (!ptt) {
4444                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4445                         return -EBUSY;
4446                 }
4447
4448                 /* Clean WFQ db and configure equal weight for all vports */
4449                 qed_clean_wfq_db(hwfn, ptt);
4450
4451                 qed_for_each_vf(hwfn, j) {
4452                         int k;
4453
4454                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4455                                 continue;
4456
4457                         /* Wait until VF is disabled before releasing */
4458                         for (k = 0; k < 100; k++) {
4459                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4460                                         msleep(20);
4461                                 else
4462                                         break;
4463                         }
4464
4465                         if (k < 100)
4466                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4467                                                           ptt, j);
4468                         else
4469                                 DP_ERR(hwfn,
4470                                        "Timeout waiting for VF's FLR to end\n");
4471                 }
4472
4473                 qed_ptt_release(hwfn, ptt);
4474         }
4475 out:
4476         qed_iov_set_vfs_to_disable(cdev, false);
4477
4478         return 0;
4479 }
4480
4481 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4482                                         u16 vfid,
4483                                         struct qed_iov_vf_init_params *params)
4484 {
4485         u16 base, i;
4486
4487         /* Since we have an equal resource distribution per-VF, and we assume
4488          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4489          * sequentially from there.
4490          */
4491         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4492
4493         params->rel_vf_id = vfid;
4494         for (i = 0; i < params->num_queues; i++) {
4495                 params->req_rx_queue[i] = base + i;
4496                 params->req_tx_queue[i] = base + i;
4497         }
4498 }
4499
4500 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4501 {
4502         struct qed_iov_vf_init_params params;
4503         struct qed_hwfn *hwfn;
4504         struct qed_ptt *ptt;
4505         int i, j, rc;
4506
4507         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4508                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4509                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4510                 return -EINVAL;
4511         }
4512
4513         memset(&params, 0, sizeof(params));
4514
4515         /* Initialize HW for VF access */
4516         for_each_hwfn(cdev, j) {
4517                 hwfn = &cdev->hwfns[j];
4518                 ptt = qed_ptt_acquire(hwfn);
4519
4520                 /* Make sure not to use more than 16 queues per VF */
4521                 params.num_queues = min_t(int,
4522                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4523                                           16);
4524
4525                 if (!ptt) {
4526                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4527                         rc = -EBUSY;
4528                         goto err;
4529                 }
4530
4531                 for (i = 0; i < num; i++) {
4532                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4533                                 continue;
4534
4535                         qed_sriov_enable_qid_config(hwfn, i, &params);
4536                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4537                         if (rc) {
4538                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4539                                 qed_ptt_release(hwfn, ptt);
4540                                 goto err;
4541                         }
4542                 }
4543
4544                 qed_ptt_release(hwfn, ptt);
4545         }
4546
4547         /* Enable SRIOV PCIe functions */
4548         rc = pci_enable_sriov(cdev->pdev, num);
4549         if (rc) {
4550                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4551                 goto err;
4552         }
4553
4554         hwfn = QED_LEADING_HWFN(cdev);
4555         ptt = qed_ptt_acquire(hwfn);
4556         if (!ptt) {
4557                 DP_ERR(hwfn, "Failed to acquire ptt\n");
4558                 rc = -EBUSY;
4559                 goto err;
4560         }
4561
4562         rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4563         if (rc)
4564                 DP_INFO(cdev, "Failed to update eswitch mode\n");
4565         qed_ptt_release(hwfn, ptt);
4566
4567         return num;
4568
4569 err:
4570         qed_sriov_disable(cdev, false);
4571         return rc;
4572 }
4573
4574 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4575 {
4576         if (!IS_QED_SRIOV(cdev)) {
4577                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4578                 return -EOPNOTSUPP;
4579         }
4580
4581         if (num_vfs_param)
4582                 return qed_sriov_enable(cdev, num_vfs_param);
4583         else
4584                 return qed_sriov_disable(cdev, true);
4585 }
4586
4587 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4588 {
4589         int i;
4590
4591         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4592                 DP_VERBOSE(cdev, QED_MSG_IOV,
4593                            "Cannot set a VF MAC; Sriov is not enabled\n");
4594                 return -EINVAL;
4595         }
4596
4597         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4598                 DP_VERBOSE(cdev, QED_MSG_IOV,
4599                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4600                 return -EINVAL;
4601         }
4602
4603         for_each_hwfn(cdev, i) {
4604                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4605                 struct qed_public_vf_info *vf_info;
4606
4607                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4608                 if (!vf_info)
4609                         continue;
4610
4611                 /* Set the MAC, and schedule the IOV task */
4612                 if (vf_info->is_trusted_configured)
4613                         ether_addr_copy(vf_info->mac, mac);
4614                 else
4615                         ether_addr_copy(vf_info->forced_mac, mac);
4616
4617                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4618         }
4619
4620         return 0;
4621 }
4622
4623 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4624 {
4625         int i;
4626
4627         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4628                 DP_VERBOSE(cdev, QED_MSG_IOV,
4629                            "Cannot set a VF MAC; Sriov is not enabled\n");
4630                 return -EINVAL;
4631         }
4632
4633         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4634                 DP_VERBOSE(cdev, QED_MSG_IOV,
4635                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4636                 return -EINVAL;
4637         }
4638
4639         for_each_hwfn(cdev, i) {
4640                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4641                 struct qed_public_vf_info *vf_info;
4642
4643                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4644                 if (!vf_info)
4645                         continue;
4646
4647                 /* Set the forced vlan, and schedule the IOV task */
4648                 vf_info->forced_vlan = vid;
4649                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4650         }
4651
4652         return 0;
4653 }
4654
4655 static int qed_get_vf_config(struct qed_dev *cdev,
4656                              int vf_id, struct ifla_vf_info *ivi)
4657 {
4658         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4659         struct qed_public_vf_info *vf_info;
4660         struct qed_mcp_link_state link;
4661         u32 tx_rate;
4662
4663         /* Sanitize request */
4664         if (IS_VF(cdev))
4665                 return -EINVAL;
4666
4667         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4668                 DP_VERBOSE(cdev, QED_MSG_IOV,
4669                            "VF index [%d] isn't active\n", vf_id);
4670                 return -EINVAL;
4671         }
4672
4673         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4674
4675         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4676
4677         /* Fill information about VF */
4678         ivi->vf = vf_id;
4679
4680         if (is_valid_ether_addr(vf_info->forced_mac))
4681                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4682         else
4683                 ether_addr_copy(ivi->mac, vf_info->mac);
4684
4685         ivi->vlan = vf_info->forced_vlan;
4686         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4687         ivi->linkstate = vf_info->link_state;
4688         tx_rate = vf_info->tx_rate;
4689         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4690         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4691
4692         return 0;
4693 }
4694
4695 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4696 {
4697         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4698         struct qed_mcp_link_capabilities caps;
4699         struct qed_mcp_link_params params;
4700         struct qed_mcp_link_state link;
4701         int i;
4702
4703         if (!hwfn->pf_iov_info)
4704                 return;
4705
4706         /* Update bulletin of all future possible VFs with link configuration */
4707         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4708                 struct qed_public_vf_info *vf_info;
4709
4710                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4711                 if (!vf_info)
4712                         continue;
4713
4714                 /* Only hwfn0 is actually interested in the link speed.
4715                  * But since only it would receive an MFW indication of link,
4716                  * need to take configuration from it - otherwise things like
4717                  * rate limiting for hwfn1 VF would not work.
4718                  */
4719                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4720                        sizeof(params));
4721                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4722                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4723                        sizeof(caps));
4724
4725                 /* Modify link according to the VF's configured link state */
4726                 switch (vf_info->link_state) {
4727                 case IFLA_VF_LINK_STATE_DISABLE:
4728                         link.link_up = false;
4729                         break;
4730                 case IFLA_VF_LINK_STATE_ENABLE:
4731                         link.link_up = true;
4732                         /* Set speed according to maximum supported by HW.
4733                          * that is 40G for regular devices and 100G for CMT
4734                          * mode devices.
4735                          */
4736                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4737                                      100000 : 40000;
4738                 default:
4739                         /* In auto mode pass PF link image to VF */
4740                         break;
4741                 }
4742
4743                 if (link.link_up && vf_info->tx_rate) {
4744                         struct qed_ptt *ptt;
4745                         int rate;
4746
4747                         rate = min_t(int, vf_info->tx_rate, link.speed);
4748
4749                         ptt = qed_ptt_acquire(hwfn);
4750                         if (!ptt) {
4751                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4752                                 return;
4753                         }
4754
4755                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4756                                 vf_info->tx_rate = rate;
4757                                 link.speed = rate;
4758                         }
4759
4760                         qed_ptt_release(hwfn, ptt);
4761                 }
4762
4763                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4764         }
4765
4766         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4767 }
4768
4769 static int qed_set_vf_link_state(struct qed_dev *cdev,
4770                                  int vf_id, int link_state)
4771 {
4772         int i;
4773
4774         /* Sanitize request */
4775         if (IS_VF(cdev))
4776                 return -EINVAL;
4777
4778         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4779                 DP_VERBOSE(cdev, QED_MSG_IOV,
4780                            "VF index [%d] isn't active\n", vf_id);
4781                 return -EINVAL;
4782         }
4783
4784         /* Handle configuration of link state */
4785         for_each_hwfn(cdev, i) {
4786                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4787                 struct qed_public_vf_info *vf;
4788
4789                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4790                 if (!vf)
4791                         continue;
4792
4793                 if (vf->link_state == link_state)
4794                         continue;
4795
4796                 vf->link_state = link_state;
4797                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4798         }
4799
4800         return 0;
4801 }
4802
4803 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4804 {
4805         int i, rc = -EINVAL;
4806
4807         for_each_hwfn(cdev, i) {
4808                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4809
4810                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4811                 if (rc)
4812                         break;
4813         }
4814
4815         return rc;
4816 }
4817
4818 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4819 {
4820         int i;
4821
4822         for_each_hwfn(cdev, i) {
4823                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4824                 struct qed_public_vf_info *vf;
4825
4826                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4827                         DP_NOTICE(p_hwfn,
4828                                   "SR-IOV sanity check failed, can't set tx rate\n");
4829                         return -EINVAL;
4830                 }
4831
4832                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4833
4834                 vf->tx_rate = rate;
4835
4836                 qed_inform_vf_link_state(p_hwfn);
4837         }
4838
4839         return 0;
4840 }
4841
4842 static int qed_set_vf_rate(struct qed_dev *cdev,
4843                            int vfid, u32 min_rate, u32 max_rate)
4844 {
4845         int rc_min = 0, rc_max = 0;
4846
4847         if (max_rate)
4848                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4849
4850         if (min_rate)
4851                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4852
4853         if (rc_max | rc_min)
4854                 return -EINVAL;
4855
4856         return 0;
4857 }
4858
4859 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4860 {
4861         int i;
4862
4863         for_each_hwfn(cdev, i) {
4864                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4865                 struct qed_public_vf_info *vf;
4866
4867                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4868                         DP_NOTICE(hwfn,
4869                                   "SR-IOV sanity check failed, can't set trust\n");
4870                         return -EINVAL;
4871                 }
4872
4873                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4874
4875                 if (vf->is_trusted_request == trust)
4876                         return 0;
4877                 vf->is_trusted_request = trust;
4878
4879                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4880         }
4881
4882         return 0;
4883 }
4884
4885 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4886 {
4887         u64 events[QED_VF_ARRAY_LENGTH];
4888         struct qed_ptt *ptt;
4889         int i;
4890
4891         ptt = qed_ptt_acquire(hwfn);
4892         if (!ptt) {
4893                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4894                            "Can't acquire PTT; re-scheduling\n");
4895                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4896                 return;
4897         }
4898
4899         qed_iov_pf_get_pending_events(hwfn, events);
4900
4901         DP_VERBOSE(hwfn, QED_MSG_IOV,
4902                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4903                    events[0], events[1], events[2]);
4904
4905         qed_for_each_vf(hwfn, i) {
4906                 /* Skip VFs with no pending messages */
4907                 if (!(events[i / 64] & (1ULL << (i % 64))))
4908                         continue;
4909
4910                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4911                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4912                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4913
4914                 /* Copy VF's message to PF's request buffer for that VF */
4915                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4916                         continue;
4917
4918                 qed_iov_process_mbx_req(hwfn, ptt, i);
4919         }
4920
4921         qed_ptt_release(hwfn, ptt);
4922 }
4923
4924 static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4925                                        u8 *mac,
4926                                        struct qed_public_vf_info *info)
4927 {
4928         if (info->is_trusted_configured) {
4929                 if (is_valid_ether_addr(info->mac) &&
4930                     (!mac || !ether_addr_equal(mac, info->mac)))
4931                         return true;
4932         } else {
4933                 if (is_valid_ether_addr(info->forced_mac) &&
4934                     (!mac || !ether_addr_equal(mac, info->forced_mac)))
4935                         return true;
4936         }
4937
4938         return false;
4939 }
4940
4941 static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4942                                  struct qed_public_vf_info *info,
4943                                  int vfid)
4944 {
4945         if (info->is_trusted_configured)
4946                 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4947         else
4948                 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4949 }
4950
4951 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4952 {
4953         int i;
4954
4955         qed_for_each_vf(hwfn, i) {
4956                 struct qed_public_vf_info *info;
4957                 bool update = false;
4958                 u8 *mac;
4959
4960                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4961                 if (!info)
4962                         continue;
4963
4964                 /* Update data on bulletin board */
4965                 if (info->is_trusted_configured)
4966                         mac = qed_iov_bulletin_get_mac(hwfn, i);
4967                 else
4968                         mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4969
4970                 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
4971                         DP_VERBOSE(hwfn,
4972                                    QED_MSG_IOV,
4973                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4974                                    i,
4975                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4976
4977                         /* Update bulletin board with MAC */
4978                         qed_set_bulletin_mac(hwfn, info, i);
4979                         update = true;
4980                 }
4981
4982                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4983                     info->forced_vlan) {
4984                         DP_VERBOSE(hwfn,
4985                                    QED_MSG_IOV,
4986                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
4987                                    info->forced_vlan,
4988                                    i,
4989                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4990                         qed_iov_bulletin_set_forced_vlan(hwfn,
4991                                                          info->forced_vlan, i);
4992                         update = true;
4993                 }
4994
4995                 if (update)
4996                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4997         }
4998 }
4999
5000 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5001 {
5002         struct qed_ptt *ptt;
5003         int i;
5004
5005         ptt = qed_ptt_acquire(hwfn);
5006         if (!ptt) {
5007                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5008                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5009                 return;
5010         }
5011
5012         qed_for_each_vf(hwfn, i)
5013             qed_iov_post_vf_bulletin(hwfn, i, ptt);
5014
5015         qed_ptt_release(hwfn, ptt);
5016 }
5017
5018 static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5019 {
5020         struct qed_public_vf_info *vf_info;
5021         struct qed_vf_info *vf;
5022         u8 *force_mac;
5023         int i;
5024
5025         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5026         vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5027
5028         if (!vf_info || !vf)
5029                 return;
5030
5031         /* Force MAC converted to generic MAC in case of VF trust on */
5032         if (vf_info->is_trusted_configured &&
5033             (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5034                 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5035
5036                 if (force_mac) {
5037                         /* Clear existing shadow copy of MAC to have a clean
5038                          * slate.
5039                          */
5040                         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5041                                 if (ether_addr_equal(vf->shadow_config.macs[i],
5042                                                      vf_info->mac)) {
5043                                         memset(vf->shadow_config.macs[i], 0,
5044                                                ETH_ALEN);
5045                                         DP_VERBOSE(hwfn, QED_MSG_IOV,
5046                                                    "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5047                                                     vf_info->mac, vf_id);
5048                                         break;
5049                                 }
5050                         }
5051
5052                         ether_addr_copy(vf_info->mac, force_mac);
5053                         memset(vf_info->forced_mac, 0, ETH_ALEN);
5054                         vf->bulletin.p_virt->valid_bitmap &=
5055                                         ~BIT(MAC_ADDR_FORCED);
5056                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5057                 }
5058         }
5059
5060         /* Update shadow copy with VF MAC when trust mode is turned off */
5061         if (!vf_info->is_trusted_configured) {
5062                 u8 empty_mac[ETH_ALEN];
5063
5064                 memset(empty_mac, 0, ETH_ALEN);
5065                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5066                         if (ether_addr_equal(vf->shadow_config.macs[i],
5067                                              empty_mac)) {
5068                                 ether_addr_copy(vf->shadow_config.macs[i],
5069                                                 vf_info->mac);
5070                                 DP_VERBOSE(hwfn, QED_MSG_IOV,
5071                                            "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5072                                             vf_info->mac, vf_id);
5073                                 break;
5074                         }
5075                 }
5076                 /* Clear bulletin when trust mode is turned off,
5077                  * to have a clean slate for next (normal) operations.
5078                  */
5079                 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5080                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5081         }
5082 }
5083
5084 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5085 {
5086         struct qed_sp_vport_update_params params;
5087         struct qed_filter_accept_flags *flags;
5088         struct qed_public_vf_info *vf_info;
5089         struct qed_vf_info *vf;
5090         u8 mask;
5091         int i;
5092
5093         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5094         flags = &params.accept_flags;
5095
5096         qed_for_each_vf(hwfn, i) {
5097                 /* Need to make sure current requested configuration didn't
5098                  * flip so that we'll end up configuring something that's not
5099                  * needed.
5100                  */
5101                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5102                 if (vf_info->is_trusted_configured ==
5103                     vf_info->is_trusted_request)
5104                         continue;
5105                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
5106
5107                 /* Handle forced MAC mode */
5108                 qed_update_mac_for_vf_trust_change(hwfn, i);
5109
5110                 /* Validate that the VF has a configured vport */
5111                 vf = qed_iov_get_vf_info(hwfn, i, true);
5112                 if (!vf->vport_instance)
5113                         continue;
5114
5115                 memset(&params, 0, sizeof(params));
5116                 params.opaque_fid = vf->opaque_fid;
5117                 params.vport_id = vf->vport_id;
5118
5119                 params.update_ctl_frame_check = 1;
5120                 params.mac_chk_en = !vf_info->is_trusted_configured;
5121
5122                 if (vf_info->rx_accept_mode & mask) {
5123                         flags->update_rx_mode_config = 1;
5124                         flags->rx_accept_filter = vf_info->rx_accept_mode;
5125                 }
5126
5127                 if (vf_info->tx_accept_mode & mask) {
5128                         flags->update_tx_mode_config = 1;
5129                         flags->tx_accept_filter = vf_info->tx_accept_mode;
5130                 }
5131
5132                 /* Remove if needed; Otherwise this would set the mask */
5133                 if (!vf_info->is_trusted_configured) {
5134                         flags->rx_accept_filter &= ~mask;
5135                         flags->tx_accept_filter &= ~mask;
5136                 }
5137
5138                 if (flags->update_rx_mode_config ||
5139                     flags->update_tx_mode_config ||
5140                     params.update_ctl_frame_check)
5141                         qed_sp_vport_update(hwfn, &params,
5142                                             QED_SPQ_MODE_EBLOCK, NULL);
5143         }
5144 }
5145
5146 static void qed_iov_pf_task(struct work_struct *work)
5147
5148 {
5149         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5150                                              iov_task.work);
5151         int rc;
5152
5153         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5154                 return;
5155
5156         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5157                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5158
5159                 if (!ptt) {
5160                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5161                         return;
5162                 }
5163
5164                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5165                 if (rc)
5166                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5167
5168                 qed_ptt_release(hwfn, ptt);
5169         }
5170
5171         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5172                 qed_handle_vf_msg(hwfn);
5173
5174         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5175                                &hwfn->iov_task_flags))
5176                 qed_handle_pf_set_vf_unicast(hwfn);
5177
5178         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5179                                &hwfn->iov_task_flags))
5180                 qed_handle_bulletin_post(hwfn);
5181
5182         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5183                 qed_iov_handle_trust_change(hwfn);
5184 }
5185
5186 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5187 {
5188         int i;
5189
5190         for_each_hwfn(cdev, i) {
5191                 if (!cdev->hwfns[i].iov_wq)
5192                         continue;
5193
5194                 if (schedule_first) {
5195                         qed_schedule_iov(&cdev->hwfns[i],
5196                                          QED_IOV_WQ_STOP_WQ_FLAG);
5197                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5198                 }
5199
5200                 flush_workqueue(cdev->hwfns[i].iov_wq);
5201                 destroy_workqueue(cdev->hwfns[i].iov_wq);
5202         }
5203 }
5204
5205 int qed_iov_wq_start(struct qed_dev *cdev)
5206 {
5207         char name[NAME_SIZE];
5208         int i;
5209
5210         for_each_hwfn(cdev, i) {
5211                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5212
5213                 /* PFs needs a dedicated workqueue only if they support IOV.
5214                  * VFs always require one.
5215                  */
5216                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5217                         continue;
5218
5219                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5220                          cdev->pdev->bus->number,
5221                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5222
5223                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5224                 if (!p_hwfn->iov_wq) {
5225                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5226                         return -ENOMEM;
5227                 }
5228
5229                 if (IS_PF(cdev))
5230                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5231                 else
5232                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5233         }
5234
5235         return 0;
5236 }
5237
5238 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5239         .configure = &qed_sriov_configure,
5240         .set_mac = &qed_sriov_pf_set_mac,
5241         .set_vlan = &qed_sriov_pf_set_vlan,
5242         .get_config = &qed_get_vf_config,
5243         .set_link_state = &qed_set_vf_link_state,
5244         .set_spoof = &qed_spoof_configure,
5245         .set_rate = &qed_set_vf_rate,
5246         .set_trust = &qed_set_vf_trust,
5247 };