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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #include <linux/etherdevice.h>
  10 #include <linux/crc32.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
  23 /* IOV ramrods */
  24 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  25 {
  26         struct vf_start_ramrod_data *p_ramrod = NULL;
  27         struct qed_spq_entry *p_ent = NULL;
  28         struct qed_sp_init_data init_data;
  29         int rc = -EINVAL;
  30         u8 fp_minor;
  31
  32         /* Get SPQ entry */
  33         memset(&init_data, 0, sizeof(init_data));
  34         init_data.cid = qed_spq_get_cid(p_hwfn);
  35         init_data.opaque_fid = p_vf->opaque_fid;
  36         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  37
  38         rc = qed_sp_init_request(p_hwfn, &p_ent,
  39                                  COMMON_RAMROD_VF_START,
  40                                  PROTOCOLID_COMMON, &init_data);
  41         if (rc)
  42                 return rc;
  43
  44         p_ramrod = &p_ent->ramrod.vf_start;
  45
  46         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  47         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  48
  49         switch (p_hwfn->hw_info.personality) {
  50         case QED_PCI_ETH:
  51                 p_ramrod->personality = PERSONALITY_ETH;
  52                 break;
  53         case QED_PCI_ETH_ROCE:
  54                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
  55                 break;
  56         default:
  57                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
  58                           p_hwfn->hw_info.personality);
  59                 return -EINVAL;
  60         }
  61
  62         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
  63         if (fp_minor > ETH_HSI_VER_MINOR &&
  64             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
  65                 DP_VERBOSE(p_hwfn,
  66                            QED_MSG_IOV,
  67                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
  68                            p_vf->abs_vf_id,
  69                            ETH_HSI_VER_MAJOR,
  70                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
  71                 fp_minor = ETH_HSI_VER_MINOR;
  72         }
  73
  74         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
  75         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
  76
  77         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
  78                    "VF[%d] - Starting using HSI %02x.%02x\n",
  79                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
  80
  81         return qed_spq_post(p_hwfn, p_ent, NULL);
  82 }
  83
  84 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
  85                           u32 concrete_vfid, u16 opaque_vfid)
  86 {
  87         struct vf_stop_ramrod_data *p_ramrod = NULL;
  88         struct qed_spq_entry *p_ent = NULL;
  89         struct qed_sp_init_data init_data;
  90         int rc = -EINVAL;
  91
  92         /* Get SPQ entry */
  93         memset(&init_data, 0, sizeof(init_data));
  94         init_data.cid = qed_spq_get_cid(p_hwfn);
  95         init_data.opaque_fid = opaque_vfid;
  96         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  97
  98         rc = qed_sp_init_request(p_hwfn, &p_ent,
  99                                  COMMON_RAMROD_VF_STOP,
 100                                  PROTOCOLID_COMMON, &init_data);
 101         if (rc)
 102                 return rc;
 103
 104         p_ramrod = &p_ent->ramrod.vf_stop;
 105
 106         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 107
 108         return qed_spq_post(p_hwfn, p_ent, NULL);
 109 }
 110
 111 bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 112                            int rel_vf_id, bool b_enabled_only)
 113 {
 114         if (!p_hwfn->pf_iov_info) {
 115                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 116                 return false;
 117         }
 118
 119         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 120             (rel_vf_id < 0))
 121                 return false;
 122
 123         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 124             b_enabled_only)
 125                 return false;
 126
 127         return true;
 128 }
 129
 130 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 131                                                u16 relative_vf_id,
 132                                                bool b_enabled_only)
 133 {
 134         struct qed_vf_info *vf = NULL;
 135
 136         if (!p_hwfn->pf_iov_info) {
 137                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 138                 return NULL;
 139         }
 140
 141         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only))
 142                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 143         else
 144                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 145                        relative_vf_id);
 146
 147         return vf;
 148 }
 149
 150 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 151                                  struct qed_vf_info *p_vf, u16 rx_qid)
 152 {
 153         if (rx_qid >= p_vf->num_rxqs)
 154                 DP_VERBOSE(p_hwfn,
 155                            QED_MSG_IOV,
 156                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 157                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 158         return rx_qid < p_vf->num_rxqs;
 159 }
 160
 161 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 162                                  struct qed_vf_info *p_vf, u16 tx_qid)
 163 {
 164         if (tx_qid >= p_vf->num_txqs)
 165                 DP_VERBOSE(p_hwfn,
 166                            QED_MSG_IOV,
 167                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 168                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 169         return tx_qid < p_vf->num_txqs;
 170 }
 171
 172 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 173                                 struct qed_vf_info *p_vf, u16 sb_idx)
 174 {
 175         int i;
 176
 177         for (i = 0; i < p_vf->num_sbs; i++)
 178                 if (p_vf->igu_sbs[i] == sb_idx)
 179                         return true;
 180
 181         DP_VERBOSE(p_hwfn,
 182                    QED_MSG_IOV,
 183                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 184                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 185
 186         return false;
 187 }
 188
 189 int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 190                              int vfid, struct qed_ptt *p_ptt)
 191 {
 192         struct qed_bulletin_content *p_bulletin;
 193         int crc_size = sizeof(p_bulletin->crc);
 194         struct qed_dmae_params params;
 195         struct qed_vf_info *p_vf;
 196
 197         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 198         if (!p_vf)
 199                 return -EINVAL;
 200
 201         if (!p_vf->vf_bulletin)
 202                 return -EINVAL;
 203
 204         p_bulletin = p_vf->bulletin.p_virt;
 205
 206         /* Increment bulletin board version and compute crc */
 207         p_bulletin->version++;
 208         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 209                                 p_vf->bulletin.size - crc_size);
 210
 211         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 212                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 213                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 214
 215         /* propagate bulletin board via dmae to vm memory */
 216         memset(&params, 0, sizeof(params));
 217         params.flags = QED_DMAE_FLAG_VF_DST;
 218         params.dst_vfid = p_vf->abs_vf_id;
 219         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 220                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 221                                   &params);
 222 }
 223
 224 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 225 {
 226         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 227         int pos = iov->pos;
 228
 229         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 230         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 231
 232         pci_read_config_word(cdev->pdev,
 233                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 234         pci_read_config_word(cdev->pdev,
 235                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 236
 237         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 238         if (iov->num_vfs) {
 239                 DP_VERBOSE(cdev,
 240                            QED_MSG_IOV,
 241                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 242                 iov->num_vfs = 0;
 243         }
 244
 245         pci_read_config_word(cdev->pdev,
 246                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 247
 248         pci_read_config_word(cdev->pdev,
 249                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 250
 251         pci_read_config_word(cdev->pdev,
 252                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 253
 254         pci_read_config_dword(cdev->pdev,
 255                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 256
 257         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 258
 259         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 260
 261         DP_VERBOSE(cdev,
 262                    QED_MSG_IOV,
 263                    "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",
 264                    iov->nres,
 265                    iov->cap,
 266                    iov->ctrl,
 267                    iov->total_vfs,
 268                    iov->initial_vfs,
 269                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 270
 271         /* Some sanity checks */
 272         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 273             iov->total_vfs > NUM_OF_VFS(cdev)) {
 274                 /* This can happen only due to a bug. In this case we set
 275                  * num_vfs to zero to avoid memory corruption in the code that
 276                  * assumes max number of vfs
 277                  */
 278                 DP_NOTICE(cdev,
 279                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 280                           iov->num_vfs);
 281
 282                 iov->num_vfs = 0;
 283                 iov->total_vfs = 0;
 284         }
 285
 286         return 0;
 287 }
 288
 289 static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
 290                                         struct qed_ptt *p_ptt)
 291 {
 292         struct qed_igu_block *p_sb;
 293         u16 sb_id;
 294         u32 val;
 295
 296         if (!p_hwfn->hw_info.p_igu_info) {
 297                 DP_ERR(p_hwfn,
 298                        "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
 299                 return;
 300         }
 301
 302         for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
 303              sb_id++) {
 304                 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
 305                 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
 306                     !(p_sb->status & QED_IGU_STATUS_PF)) {
 307                         val = qed_rd(p_hwfn, p_ptt,
 308                                      IGU_REG_MAPPING_MEMORY + sb_id * 4);
 309                         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 310                         qed_wr(p_hwfn, p_ptt,
 311                                IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
 312                 }
 313         }
 314 }
 315
 316 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 317 {
 318         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 319         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 320         struct qed_bulletin_content *p_bulletin_virt;
 321         dma_addr_t req_p, rply_p, bulletin_p;
 322         union pfvf_tlvs *p_reply_virt_addr;
 323         union vfpf_tlvs *p_req_virt_addr;
 324         u8 idx = 0;
 325
 326         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 327
 328         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 329         req_p = p_iov_info->mbx_msg_phys_addr;
 330         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 331         rply_p = p_iov_info->mbx_reply_phys_addr;
 332         p_bulletin_virt = p_iov_info->p_bulletins;
 333         bulletin_p = p_iov_info->bulletins_phys;
 334         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 335                 DP_ERR(p_hwfn,
 336                        "qed_iov_setup_vfdb called without allocating mem first\n");
 337                 return;
 338         }
 339
 340         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 341                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 342                 u32 concrete;
 343
 344                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 345                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 346                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 347                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 348
 349                 vf->state = VF_STOPPED;
 350                 vf->b_init = false;
 351
 352                 vf->bulletin.phys = idx *
 353                                     sizeof(struct qed_bulletin_content) +
 354                                     bulletin_p;
 355                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 356                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 357
 358                 vf->relative_vf_id = idx;
 359                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 360                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 361                 vf->concrete_fid = concrete;
 362                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 363                                  (vf->abs_vf_id << 8);
 364                 vf->vport_id = idx + 1;
 365
 366                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 367                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 368         }
 369 }
 370
 371 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 372 {
 373         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 374         void **p_v_addr;
 375         u16 num_vfs = 0;
 376
 377         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 378
 379         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 380                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 381
 382         /* Allocate PF Mailbox buffer (per-VF) */
 383         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 384         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 385         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 386                                        p_iov_info->mbx_msg_size,
 387                                        &p_iov_info->mbx_msg_phys_addr,
 388                                        GFP_KERNEL);
 389         if (!*p_v_addr)
 390                 return -ENOMEM;
 391
 392         /* Allocate PF Mailbox Reply buffer (per-VF) */
 393         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 394         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 395         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 396                                        p_iov_info->mbx_reply_size,
 397                                        &p_iov_info->mbx_reply_phys_addr,
 398                                        GFP_KERNEL);
 399         if (!*p_v_addr)
 400                 return -ENOMEM;
 401
 402         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 403                                      num_vfs;
 404         p_v_addr = &p_iov_info->p_bulletins;
 405         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 406                                        p_iov_info->bulletins_size,
 407                                        &p_iov_info->bulletins_phys,
 408                                        GFP_KERNEL);
 409         if (!*p_v_addr)
 410                 return -ENOMEM;
 411
 412         DP_VERBOSE(p_hwfn,
 413                    QED_MSG_IOV,
 414                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 415                    p_iov_info->mbx_msg_virt_addr,
 416                    (u64) p_iov_info->mbx_msg_phys_addr,
 417                    p_iov_info->mbx_reply_virt_addr,
 418                    (u64) p_iov_info->mbx_reply_phys_addr,
 419                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 420
 421         return 0;
 422 }
 423
 424 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 425 {
 426         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 427
 428         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 429                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 430                                   p_iov_info->mbx_msg_size,
 431                                   p_iov_info->mbx_msg_virt_addr,
 432                                   p_iov_info->mbx_msg_phys_addr);
 433
 434         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 435                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 436                                   p_iov_info->mbx_reply_size,
 437                                   p_iov_info->mbx_reply_virt_addr,
 438                                   p_iov_info->mbx_reply_phys_addr);
 439
 440         if (p_iov_info->p_bulletins)
 441                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 442                                   p_iov_info->bulletins_size,
 443                                   p_iov_info->p_bulletins,
 444                                   p_iov_info->bulletins_phys);
 445 }
 446
 447 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 448 {
 449         struct qed_pf_iov *p_sriov;
 450
 451         if (!IS_PF_SRIOV(p_hwfn)) {
 452                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 453                            "No SR-IOV - no need for IOV db\n");
 454                 return 0;
 455         }
 456
 457         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 458         if (!p_sriov)
 459                 return -ENOMEM;
 460
 461         p_hwfn->pf_iov_info = p_sriov;
 462
 463         return qed_iov_allocate_vfdb(p_hwfn);
 464 }
 465
 466 void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 467 {
 468         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 469                 return;
 470
 471         qed_iov_setup_vfdb(p_hwfn);
 472         qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
 473 }
 474
 475 void qed_iov_free(struct qed_hwfn *p_hwfn)
 476 {
 477         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 478                 qed_iov_free_vfdb(p_hwfn);
 479                 kfree(p_hwfn->pf_iov_info);
 480         }
 481 }
 482
 483 void qed_iov_free_hw_info(struct qed_dev *cdev)
 484 {
 485         kfree(cdev->p_iov_info);
 486         cdev->p_iov_info = NULL;
 487 }
 488
 489 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 490 {
 491         struct qed_dev *cdev = p_hwfn->cdev;
 492         int pos;
 493         int rc;
 494
 495         if (IS_VF(p_hwfn->cdev))
 496                 return 0;
 497
 498         /* Learn the PCI configuration */
 499         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 500                                       PCI_EXT_CAP_ID_SRIOV);
 501         if (!pos) {
 502                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 503                 return 0;
 504         }
 505
 506         /* Allocate a new struct for IOV information */
 507         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 508         if (!cdev->p_iov_info)
 509                 return -ENOMEM;
 510
 511         cdev->p_iov_info->pos = pos;
 512
 513         rc = qed_iov_pci_cfg_info(cdev);
 514         if (rc)
 515                 return rc;
 516
 517         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 518          * In case the capability is published but there are no VFs, simply
 519          * de-allocate the struct.
 520          */
 521         if (!cdev->p_iov_info->total_vfs) {
 522                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 523                            "IOV capabilities, but no VFs are published\n");
 524                 kfree(cdev->p_iov_info);
 525                 cdev->p_iov_info = NULL;
 526                 return 0;
 527         }
 528
 529         /* Calculate the first VF index - this is a bit tricky; Basically,
 530          * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
 531          * after the first engine's VFs.
 532          */
 533         cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
 534                                            p_hwfn->abs_pf_id - 16;
 535         if (QED_PATH_ID(p_hwfn))
 536                 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 537
 538         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 539                    "First VF in hwfn 0x%08x\n",
 540                    cdev->p_iov_info->first_vf_in_pf);
 541
 542         return 0;
 543 }
 544
 545 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 546 {
 547         /* Check PF supports sriov */
 548         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 549             !IS_PF_SRIOV_ALLOC(p_hwfn))
 550                 return false;
 551
 552         /* Check VF validity */
 553         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true))
 554                 return false;
 555
 556         return true;
 557 }
 558
 559 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 560                                       u16 rel_vf_id, u8 to_disable)
 561 {
 562         struct qed_vf_info *vf;
 563         int i;
 564
 565         for_each_hwfn(cdev, i) {
 566                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 567
 568                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 569                 if (!vf)
 570                         continue;
 571
 572                 vf->to_disable = to_disable;
 573         }
 574 }
 575
 576 void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 577 {
 578         u16 i;
 579
 580         if (!IS_QED_SRIOV(cdev))
 581                 return;
 582
 583         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 584                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 585 }
 586
 587 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 588                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 589 {
 590         qed_wr(p_hwfn, p_ptt,
 591                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 592                1 << (abs_vfid & 0x1f));
 593 }
 594
 595 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 596                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 597 {
 598         int i;
 599
 600         /* Set VF masks and configuration - pretend */
 601         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 602
 603         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 604
 605         /* unpretend */
 606         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 607
 608         /* iterate over all queues, clear sb consumer */
 609         for (i = 0; i < vf->num_sbs; i++)
 610                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 611                                                 vf->igu_sbs[i],
 612                                                 vf->opaque_fid, true);
 613 }
 614
 615 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 616                                    struct qed_ptt *p_ptt,
 617                                    struct qed_vf_info *vf, bool enable)
 618 {
 619         u32 igu_vf_conf;
 620
 621         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 622
 623         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 624
 625         if (enable)
 626                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 627         else
 628                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 629
 630         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 631
 632         /* unpretend */
 633         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 634 }
 635
 636 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 637                                     struct qed_ptt *p_ptt,
 638                                     struct qed_vf_info *vf)
 639 {
 640         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 641         int rc;
 642
 643         if (vf->to_disable)
 644                 return 0;
 645
 646         DP_VERBOSE(p_hwfn,
 647                    QED_MSG_IOV,
 648                    "Enable internal access for vf %x [abs %x]\n",
 649                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 650
 651         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 652
 653         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 654
 655         rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
 656         if (rc)
 657                 return rc;
 658
 659         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 660
 661         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 662         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 663
 664         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 665                      p_hwfn->hw_info.hw_mode);
 666
 667         /* unpretend */
 668         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 669
 670         vf->state = VF_FREE;
 671
 672         return rc;
 673 }
 674
 675 /**
 676  * @brief qed_iov_config_perm_table - configure the permission
 677  *      zone table.
 678  *      In E4, queue zone permission table size is 320x9. There
 679  *      are 320 VF queues for single engine device (256 for dual
 680  *      engine device), and each entry has the following format:
 681  *      {Valid, VF[7:0]}
 682  * @param p_hwfn
 683  * @param p_ptt
 684  * @param vf
 685  * @param enable
 686  */
 687 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 688                                       struct qed_ptt *p_ptt,
 689                                       struct qed_vf_info *vf, u8 enable)
 690 {
 691         u32 reg_addr, val;
 692         u16 qzone_id = 0;
 693         int qid;
 694
 695         for (qid = 0; qid < vf->num_rxqs; qid++) {
 696                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 697                                 &qzone_id);
 698
 699                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 700                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 701                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 702         }
 703 }
 704
 705 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 706                                       struct qed_ptt *p_ptt,
 707                                       struct qed_vf_info *vf)
 708 {
 709         /* Reset vf in IGU - interrupts are still disabled */
 710         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 711
 712         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 713
 714         /* Permission Table */
 715         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 716 }
 717
 718 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 719                                    struct qed_ptt *p_ptt,
 720                                    struct qed_vf_info *vf, u16 num_rx_queues)
 721 {
 722         struct qed_igu_block *igu_blocks;
 723         int qid = 0, igu_id = 0;
 724         u32 val = 0;
 725
 726         igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
 727
 728         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
 729                 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
 730         p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
 731
 732         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 733         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 734         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 735
 736         while ((qid < num_rx_queues) &&
 737                (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
 738                 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
 739                         struct cau_sb_entry sb_entry;
 740
 741                         vf->igu_sbs[qid] = (u16)igu_id;
 742                         igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
 743
 744                         SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 745
 746                         qed_wr(p_hwfn, p_ptt,
 747                                IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
 748                                val);
 749
 750                         /* Configure igu sb in CAU which were marked valid */
 751                         qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 752                                               p_hwfn->rel_pf_id,
 753                                               vf->abs_vf_id, 1);
 754                         qed_dmae_host2grc(p_hwfn, p_ptt,
 755                                           (u64)(uintptr_t)&sb_entry,
 756                                           CAU_REG_SB_VAR_MEMORY +
 757                                           igu_id * sizeof(u64), 2, 0);
 758                         qid++;
 759                 }
 760                 igu_id++;
 761         }
 762
 763         vf->num_sbs = (u8) num_rx_queues;
 764
 765         return vf->num_sbs;
 766 }
 767
 768 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 769                                     struct qed_ptt *p_ptt,
 770                                     struct qed_vf_info *vf)
 771 {
 772         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 773         int idx, igu_id;
 774         u32 addr, val;
 775
 776         /* Invalidate igu CAM lines and mark them as free */
 777         for (idx = 0; idx < vf->num_sbs; idx++) {
 778                 igu_id = vf->igu_sbs[idx];
 779                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 780
 781                 val = qed_rd(p_hwfn, p_ptt, addr);
 782                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 783                 qed_wr(p_hwfn, p_ptt, addr, val);
 784
 785                 p_info->igu_map.igu_blocks[igu_id].status |=
 786                     QED_IGU_STATUS_FREE;
 787
 788                 p_hwfn->hw_info.p_igu_info->free_blks++;
 789         }
 790
 791         vf->num_sbs = 0;
 792 }
 793
 794 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 795                                   struct qed_ptt *p_ptt,
 796                                   u16 rel_vf_id, u16 num_rx_queues)
 797 {
 798         u8 num_of_vf_avaiable_chains = 0;
 799         struct qed_vf_info *vf = NULL;
 800         int rc = 0;
 801         u32 cids;
 802         u8 i;
 803
 804         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 805         if (!vf) {
 806                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 807                 return -EINVAL;
 808         }
 809
 810         if (vf->b_init) {
 811                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
 812                 return -EINVAL;
 813         }
 814
 815         /* Limit number of queues according to number of CIDs */
 816         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
 817         DP_VERBOSE(p_hwfn,
 818                    QED_MSG_IOV,
 819                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
 820                    vf->relative_vf_id, num_rx_queues, (u16) cids);
 821         num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
 822
 823         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
 824                                                              p_ptt,
 825                                                              vf,
 826                                                              num_rx_queues);
 827         if (!num_of_vf_avaiable_chains) {
 828                 DP_ERR(p_hwfn, "no available igu sbs\n");
 829                 return -ENOMEM;
 830         }
 831
 832         /* Choose queue number and index ranges */
 833         vf->num_rxqs = num_of_vf_avaiable_chains;
 834         vf->num_txqs = num_of_vf_avaiable_chains;
 835
 836         for (i = 0; i < vf->num_rxqs; i++) {
 837                 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
 838                                                            vf->igu_sbs[i]);
 839
 840                 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
 841                         DP_NOTICE(p_hwfn,
 842                                   "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
 843                                   vf->relative_vf_id, queue_id);
 844                         return -EINVAL;
 845                 }
 846
 847                 /* CIDs are per-VF, so no problem having them 0-based. */
 848                 vf->vf_queues[i].fw_rx_qid = queue_id;
 849                 vf->vf_queues[i].fw_tx_qid = queue_id;
 850                 vf->vf_queues[i].fw_cid = i;
 851
 852                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 853                            "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
 854                            vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
 855         }
 856         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
 857         if (!rc) {
 858                 vf->b_init = true;
 859
 860                 if (IS_LEAD_HWFN(p_hwfn))
 861                         p_hwfn->cdev->p_iov_info->num_vfs++;
 862         }
 863
 864         return rc;
 865 }
 866
 867 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 868                              u16 vfid,
 869                              struct qed_mcp_link_params *params,
 870                              struct qed_mcp_link_state *link,
 871                              struct qed_mcp_link_capabilities *p_caps)
 872 {
 873         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 874                                                        vfid,
 875                                                        false);
 876         struct qed_bulletin_content *p_bulletin;
 877
 878         if (!p_vf)
 879                 return;
 880
 881         p_bulletin = p_vf->bulletin.p_virt;
 882         p_bulletin->req_autoneg = params->speed.autoneg;
 883         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 884         p_bulletin->req_forced_speed = params->speed.forced_speed;
 885         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 886         p_bulletin->req_forced_rx = params->pause.forced_rx;
 887         p_bulletin->req_forced_tx = params->pause.forced_tx;
 888         p_bulletin->req_loopback = params->loopback_mode;
 889
 890         p_bulletin->link_up = link->link_up;
 891         p_bulletin->speed = link->speed;
 892         p_bulletin->full_duplex = link->full_duplex;
 893         p_bulletin->autoneg = link->an;
 894         p_bulletin->autoneg_complete = link->an_complete;
 895         p_bulletin->parallel_detection = link->parallel_detection;
 896         p_bulletin->pfc_enabled = link->pfc_enabled;
 897         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 898         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 899         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 900         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 901         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 902
 903         p_bulletin->capability_speed = p_caps->speed_capabilities;
 904 }
 905
 906 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
 907                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
 908 {
 909         struct qed_mcp_link_capabilities caps;
 910         struct qed_mcp_link_params params;
 911         struct qed_mcp_link_state link;
 912         struct qed_vf_info *vf = NULL;
 913
 914         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
 915         if (!vf) {
 916                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
 917                 return -EINVAL;
 918         }
 919
 920         if (vf->bulletin.p_virt)
 921                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
 922
 923         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
 924
 925         /* Get the link configuration back in bulletin so
 926          * that when VFs are re-enabled they get the actual
 927          * link configuration.
 928          */
 929         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
 930         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
 931         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
 932         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
 933
 934         /* Forget the VF's acquisition message */
 935         memset(&vf->acquire, 0, sizeof(vf->acquire));
 936
 937         /* disablng interrupts and resetting permission table was done during
 938          * vf-close, however, we could get here without going through vf_close
 939          */
 940         /* Disable Interrupts for VF */
 941         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
 942
 943         /* Reset Permission table */
 944         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
 945
 946         vf->num_rxqs = 0;
 947         vf->num_txqs = 0;
 948         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
 949
 950         if (vf->b_init) {
 951                 vf->b_init = false;
 952
 953                 if (IS_LEAD_HWFN(p_hwfn))
 954                         p_hwfn->cdev->p_iov_info->num_vfs--;
 955         }
 956
 957         return 0;
 958 }
 959
 960 static bool qed_iov_tlv_supported(u16 tlvtype)
 961 {
 962         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
 963 }
 964
 965 /* place a given tlv on the tlv buffer, continuing current tlv list */
 966 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
 967 {
 968         struct channel_tlv *tl = (struct channel_tlv *)*offset;
 969
 970         tl->type = type;
 971         tl->length = length;
 972
 973         /* Offset should keep pointing to next TLV (the end of the last) */
 974         *offset += length;
 975
 976         /* Return a pointer to the start of the added tlv */
 977         return *offset - length;
 978 }
 979
 980 /* list the types and lengths of the tlvs on the buffer */
 981 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
 982 {
 983         u16 i = 1, total_length = 0;
 984         struct channel_tlv *tlv;
 985
 986         do {
 987                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
 988
 989                 /* output tlv */
 990                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 991                            "TLV number %d: type %d, length %d\n",
 992                            i, tlv->type, tlv->length);
 993
 994                 if (tlv->type == CHANNEL_TLV_LIST_END)
 995                         return;
 996
 997                 /* Validate entry - protect against malicious VFs */
 998                 if (!tlv->length) {
 999                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1000                         return;
1001                 }
1002
1003                 total_length += tlv->length;
1004
1005                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1006                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1007                         return;
1008                 }
1009
1010                 i++;
1011         } while (1);
1012 }
1013
1014 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1015                                   struct qed_ptt *p_ptt,
1016                                   struct qed_vf_info *p_vf,
1017                                   u16 length, u8 status)
1018 {
1019         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1020         struct qed_dmae_params params;
1021         u8 eng_vf_id;
1022
1023         mbx->reply_virt->default_resp.hdr.status = status;
1024
1025         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1026
1027         eng_vf_id = p_vf->abs_vf_id;
1028
1029         memset(&params, 0, sizeof(struct qed_dmae_params));
1030         params.flags = QED_DMAE_FLAG_VF_DST;
1031         params.dst_vfid = eng_vf_id;
1032
1033         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1034                            mbx->req_virt->first_tlv.reply_address +
1035                            sizeof(u64),
1036                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1037                            &params);
1038
1039         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1040                            mbx->req_virt->first_tlv.reply_address,
1041                            sizeof(u64) / 4, &params);
1042
1043         REG_WR(p_hwfn,
1044                GTT_BAR0_MAP_REG_USDM_RAM +
1045                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1046 }
1047
1048 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1049                                 enum qed_iov_vport_update_flag flag)
1050 {
1051         switch (flag) {
1052         case QED_IOV_VP_UPDATE_ACTIVATE:
1053                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1054         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1055                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1056         case QED_IOV_VP_UPDATE_TX_SWITCH:
1057                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1058         case QED_IOV_VP_UPDATE_MCAST:
1059                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1060         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1061                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1062         case QED_IOV_VP_UPDATE_RSS:
1063                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1064         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1065                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1066         case QED_IOV_VP_UPDATE_SGE_TPA:
1067                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1068         default:
1069                 return 0;
1070         }
1071 }
1072
1073 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1074                                             struct qed_vf_info *p_vf,
1075                                             struct qed_iov_vf_mbx *p_mbx,
1076                                             u8 status,
1077                                             u16 tlvs_mask, u16 tlvs_accepted)
1078 {
1079         struct pfvf_def_resp_tlv *resp;
1080         u16 size, total_len, i;
1081
1082         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1083         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1084         size = sizeof(struct pfvf_def_resp_tlv);
1085         total_len = size;
1086
1087         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1088
1089         /* Prepare response for all extended tlvs if they are found by PF */
1090         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1091                 if (!(tlvs_mask & BIT(i)))
1092                         continue;
1093
1094                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1095                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1096
1097                 if (tlvs_accepted & BIT(i))
1098                         resp->hdr.status = status;
1099                 else
1100                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1101
1102                 DP_VERBOSE(p_hwfn,
1103                            QED_MSG_IOV,
1104                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1105                            p_vf->relative_vf_id,
1106                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1107
1108                 total_len += size;
1109         }
1110
1111         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1112                     sizeof(struct channel_list_end_tlv));
1113
1114         return total_len;
1115 }
1116
1117 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1118                                  struct qed_ptt *p_ptt,
1119                                  struct qed_vf_info *vf_info,
1120                                  u16 type, u16 length, u8 status)
1121 {
1122         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1123
1124         mbx->offset = (u8 *)mbx->reply_virt;
1125
1126         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1127         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1128                     sizeof(struct channel_list_end_tlv));
1129
1130         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1131 }
1132
1133 struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1134                                                       u16 relative_vf_id,
1135                                                       bool b_enabled_only)
1136 {
1137         struct qed_vf_info *vf = NULL;
1138
1139         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1140         if (!vf)
1141                 return NULL;
1142
1143         return &vf->p_vf_info;
1144 }
1145
1146 void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1147 {
1148         struct qed_public_vf_info *vf_info;
1149
1150         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1151
1152         if (!vf_info)
1153                 return;
1154
1155         /* Clear the VF mac */
1156         memset(vf_info->mac, 0, ETH_ALEN);
1157 }
1158
1159 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1160                                struct qed_vf_info *p_vf)
1161 {
1162         u32 i;
1163
1164         p_vf->vf_bulletin = 0;
1165         p_vf->vport_instance = 0;
1166         p_vf->configured_features = 0;
1167
1168         /* If VF previously requested less resources, go back to default */
1169         p_vf->num_rxqs = p_vf->num_sbs;
1170         p_vf->num_txqs = p_vf->num_sbs;
1171
1172         p_vf->num_active_rxqs = 0;
1173
1174         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1175                 p_vf->vf_queues[i].rxq_active = 0;
1176
1177         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1178         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1179         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1180 }
1181
1182 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1183                                       struct qed_ptt *p_ptt,
1184                                       struct qed_vf_info *p_vf,
1185                                       struct vf_pf_resc_request *p_req,
1186                                       struct pf_vf_resc *p_resp)
1187 {
1188         int i;
1189
1190         /* Queue related information */
1191         p_resp->num_rxqs = p_vf->num_rxqs;
1192         p_resp->num_txqs = p_vf->num_txqs;
1193         p_resp->num_sbs = p_vf->num_sbs;
1194
1195         for (i = 0; i < p_resp->num_sbs; i++) {
1196                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1197                 p_resp->hw_sbs[i].sb_qid = 0;
1198         }
1199
1200         /* These fields are filled for backward compatibility.
1201          * Unused by modern vfs.
1202          */
1203         for (i = 0; i < p_resp->num_rxqs; i++) {
1204                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1205                                 (u16 *)&p_resp->hw_qid[i]);
1206                 p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
1207         }
1208
1209         /* Filter related information */
1210         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1211                                         p_req->num_mac_filters);
1212         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1213                                          p_req->num_vlan_filters);
1214
1215         /* This isn't really needed/enforced, but some legacy VFs might depend
1216          * on the correct filling of this field.
1217          */
1218         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1219
1220         /* Validate sufficient resources for VF */
1221         if (p_resp->num_rxqs < p_req->num_rxqs ||
1222             p_resp->num_txqs < p_req->num_txqs ||
1223             p_resp->num_sbs < p_req->num_sbs ||
1224             p_resp->num_mac_filters < p_req->num_mac_filters ||
1225             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1226             p_resp->num_mc_filters < p_req->num_mc_filters) {
1227                 DP_VERBOSE(p_hwfn,
1228                            QED_MSG_IOV,
1229                            "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1230                            p_vf->abs_vf_id,
1231                            p_req->num_rxqs,
1232                            p_resp->num_rxqs,
1233                            p_req->num_rxqs,
1234                            p_resp->num_txqs,
1235                            p_req->num_sbs,
1236                            p_resp->num_sbs,
1237                            p_req->num_mac_filters,
1238                            p_resp->num_mac_filters,
1239                            p_req->num_vlan_filters,
1240                            p_resp->num_vlan_filters,
1241                            p_req->num_mc_filters, p_resp->num_mc_filters);
1242
1243                 /* Some legacy OSes are incapable of correctly handling this
1244                  * failure.
1245                  */
1246                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1247                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1248                     (p_vf->acquire.vfdev_info.os_type ==
1249                      VFPF_ACQUIRE_OS_WINDOWS))
1250                         return PFVF_STATUS_SUCCESS;
1251
1252                 return PFVF_STATUS_NO_RESOURCE;
1253         }
1254
1255         return PFVF_STATUS_SUCCESS;
1256 }
1257
1258 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1259                                          struct pfvf_stats_info *p_stats)
1260 {
1261         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1262                                   offsetof(struct mstorm_vf_zone,
1263                                            non_trigger.eth_queue_stat);
1264         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1265         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1266                                   offsetof(struct ustorm_vf_zone,
1267                                            non_trigger.eth_queue_stat);
1268         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1269         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1270                                   offsetof(struct pstorm_vf_zone,
1271                                            non_trigger.eth_queue_stat);
1272         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1273         p_stats->tstats.address = 0;
1274         p_stats->tstats.len = 0;
1275 }
1276
1277 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1278                                    struct qed_ptt *p_ptt,
1279                                    struct qed_vf_info *vf)
1280 {
1281         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1282         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1283         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1284         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1285         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1286         struct pf_vf_resc *resc = &resp->resc;
1287         int rc;
1288
1289         memset(resp, 0, sizeof(*resp));
1290
1291         /* Write the PF version so that VF would know which version
1292          * is supported - might be later overriden. This guarantees that
1293          * VF could recognize legacy PF based on lack of versions in reply.
1294          */
1295         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1296         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1297
1298         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1299                 DP_VERBOSE(p_hwfn,
1300                            QED_MSG_IOV,
1301                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1302                            vf->abs_vf_id, vf->state);
1303                 goto out;
1304         }
1305
1306         /* Validate FW compatibility */
1307         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1308                 if (req->vfdev_info.capabilities &
1309                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1310                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1311
1312                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1313                                    "VF[%d] is pre-fastpath HSI\n",
1314                                    vf->abs_vf_id);
1315                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1316                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1317                 } else {
1318                         DP_INFO(p_hwfn,
1319                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1320                                 vf->abs_vf_id,
1321                                 req->vfdev_info.eth_fp_hsi_major,
1322                                 req->vfdev_info.eth_fp_hsi_minor,
1323                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1324
1325                         goto out;
1326                 }
1327         }
1328
1329         /* On 100g PFs, prevent old VFs from loading */
1330         if ((p_hwfn->cdev->num_hwfns > 1) &&
1331             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1332                 DP_INFO(p_hwfn,
1333                         "VF[%d] is running an old driver that doesn't support 100g\n",
1334                         vf->abs_vf_id);
1335                 goto out;
1336         }
1337
1338         /* Store the acquire message */
1339         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1340
1341         vf->opaque_fid = req->vfdev_info.opaque_fid;
1342
1343         vf->vf_bulletin = req->bulletin_addr;
1344         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1345                             vf->bulletin.size : req->bulletin_size;
1346
1347         /* fill in pfdev info */
1348         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1349         pfdev_info->db_size = 0;
1350         pfdev_info->indices_per_sb = PIS_PER_SB;
1351
1352         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1353                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1354         if (p_hwfn->cdev->num_hwfns > 1)
1355                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1356
1357         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1358
1359         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1360
1361         pfdev_info->fw_major = FW_MAJOR_VERSION;
1362         pfdev_info->fw_minor = FW_MINOR_VERSION;
1363         pfdev_info->fw_rev = FW_REVISION_VERSION;
1364         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1365
1366         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1367          * this field.
1368          */
1369         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1370                                          req->vfdev_info.eth_fp_hsi_minor);
1371         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1372         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1373
1374         pfdev_info->dev_type = p_hwfn->cdev->type;
1375         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1376
1377         /* Fill resources available to VF; Make sure there are enough to
1378          * satisfy the VF's request.
1379          */
1380         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1381                                                   &req->resc_request, resc);
1382         if (vfpf_status != PFVF_STATUS_SUCCESS)
1383                 goto out;
1384
1385         /* Start the VF in FW */
1386         rc = qed_sp_vf_start(p_hwfn, vf);
1387         if (rc) {
1388                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1389                 vfpf_status = PFVF_STATUS_FAILURE;
1390                 goto out;
1391         }
1392
1393         /* Fill agreed size of bulletin board in response */
1394         resp->bulletin_size = vf->bulletin.size;
1395         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1396
1397         DP_VERBOSE(p_hwfn,
1398                    QED_MSG_IOV,
1399                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1400                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1401                    vf->abs_vf_id,
1402                    resp->pfdev_info.chip_num,
1403                    resp->pfdev_info.db_size,
1404                    resp->pfdev_info.indices_per_sb,
1405                    resp->pfdev_info.capabilities,
1406                    resc->num_rxqs,
1407                    resc->num_txqs,
1408                    resc->num_sbs,
1409                    resc->num_mac_filters,
1410                    resc->num_vlan_filters);
1411         vf->state = VF_ACQUIRED;
1412
1413         /* Prepare Response */
1414 out:
1415         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1416                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1417 }
1418
1419 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1420                                   struct qed_vf_info *p_vf, bool val)
1421 {
1422         struct qed_sp_vport_update_params params;
1423         int rc;
1424
1425         if (val == p_vf->spoof_chk) {
1426                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1427                            "Spoofchk value[%d] is already configured\n", val);
1428                 return 0;
1429         }
1430
1431         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1432         params.opaque_fid = p_vf->opaque_fid;
1433         params.vport_id = p_vf->vport_id;
1434         params.update_anti_spoofing_en_flg = 1;
1435         params.anti_spoofing_en = val;
1436
1437         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1438         if (!rc) {
1439                 p_vf->spoof_chk = val;
1440                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1441                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1442                            "Spoofchk val[%d] configured\n", val);
1443         } else {
1444                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1445                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1446                            val, p_vf->relative_vf_id);
1447         }
1448
1449         return rc;
1450 }
1451
1452 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1453                                             struct qed_vf_info *p_vf)
1454 {
1455         struct qed_filter_ucast filter;
1456         int rc = 0;
1457         int i;
1458
1459         memset(&filter, 0, sizeof(filter));
1460         filter.is_rx_filter = 1;
1461         filter.is_tx_filter = 1;
1462         filter.vport_to_add_to = p_vf->vport_id;
1463         filter.opcode = QED_FILTER_ADD;
1464
1465         /* Reconfigure vlans */
1466         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1467                 if (!p_vf->shadow_config.vlans[i].used)
1468                         continue;
1469
1470                 filter.type = QED_FILTER_VLAN;
1471                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1472                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1473                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1474                            filter.vlan, p_vf->relative_vf_id);
1475                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1476                                              &filter, QED_SPQ_MODE_CB, NULL);
1477                 if (rc) {
1478                         DP_NOTICE(p_hwfn,
1479                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1480                                   filter.vlan, p_vf->relative_vf_id);
1481                         break;
1482                 }
1483         }
1484
1485         return rc;
1486 }
1487
1488 static int
1489 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1490                                    struct qed_vf_info *p_vf, u64 events)
1491 {
1492         int rc = 0;
1493
1494         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1495             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1496                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1497
1498         return rc;
1499 }
1500
1501 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1502                                           struct qed_vf_info *p_vf, u64 events)
1503 {
1504         int rc = 0;
1505         struct qed_filter_ucast filter;
1506
1507         if (!p_vf->vport_instance)
1508                 return -EINVAL;
1509
1510         if (events & BIT(MAC_ADDR_FORCED)) {
1511                 /* Since there's no way [currently] of removing the MAC,
1512                  * we can always assume this means we need to force it.
1513                  */
1514                 memset(&filter, 0, sizeof(filter));
1515                 filter.type = QED_FILTER_MAC;
1516                 filter.opcode = QED_FILTER_REPLACE;
1517                 filter.is_rx_filter = 1;
1518                 filter.is_tx_filter = 1;
1519                 filter.vport_to_add_to = p_vf->vport_id;
1520                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1521
1522                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1523                                              &filter, QED_SPQ_MODE_CB, NULL);
1524                 if (rc) {
1525                         DP_NOTICE(p_hwfn,
1526                                   "PF failed to configure MAC for VF\n");
1527                         return rc;
1528                 }
1529
1530                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1531         }
1532
1533         if (events & BIT(VLAN_ADDR_FORCED)) {
1534                 struct qed_sp_vport_update_params vport_update;
1535                 u8 removal;
1536                 int i;
1537
1538                 memset(&filter, 0, sizeof(filter));
1539                 filter.type = QED_FILTER_VLAN;
1540                 filter.is_rx_filter = 1;
1541                 filter.is_tx_filter = 1;
1542                 filter.vport_to_add_to = p_vf->vport_id;
1543                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1544                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1545                                               QED_FILTER_FLUSH;
1546
1547                 /* Send the ramrod */
1548                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1549                                              &filter, QED_SPQ_MODE_CB, NULL);
1550                 if (rc) {
1551                         DP_NOTICE(p_hwfn,
1552                                   "PF failed to configure VLAN for VF\n");
1553                         return rc;
1554                 }
1555
1556                 /* Update the default-vlan & silent vlan stripping */
1557                 memset(&vport_update, 0, sizeof(vport_update));
1558                 vport_update.opaque_fid = p_vf->opaque_fid;
1559                 vport_update.vport_id = p_vf->vport_id;
1560                 vport_update.update_default_vlan_enable_flg = 1;
1561                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1562                 vport_update.update_default_vlan_flg = 1;
1563                 vport_update.default_vlan = filter.vlan;
1564
1565                 vport_update.update_inner_vlan_removal_flg = 1;
1566                 removal = filter.vlan ? 1
1567                                       : p_vf->shadow_config.inner_vlan_removal;
1568                 vport_update.inner_vlan_removal_flg = removal;
1569                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1570                 rc = qed_sp_vport_update(p_hwfn,
1571                                          &vport_update,
1572                                          QED_SPQ_MODE_EBLOCK, NULL);
1573                 if (rc) {
1574                         DP_NOTICE(p_hwfn,
1575                                   "PF failed to configure VF vport for vlan\n");
1576                         return rc;
1577                 }
1578
1579                 /* Update all the Rx queues */
1580                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1581                         u16 qid;
1582
1583                         if (!p_vf->vf_queues[i].rxq_active)
1584                                 continue;
1585
1586                         qid = p_vf->vf_queues[i].fw_rx_qid;
1587
1588                         rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1589                                                          1, 0, 1,
1590                                                          QED_SPQ_MODE_EBLOCK,
1591                                                          NULL);
1592                         if (rc) {
1593                                 DP_NOTICE(p_hwfn,
1594                                           "Failed to send Rx update fo queue[0x%04x]\n",
1595                                           qid);
1596                                 return rc;
1597                         }
1598                 }
1599
1600                 if (filter.vlan)
1601                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1602                 else
1603                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1604         }
1605
1606         /* If forced features are terminated, we need to configure the shadow
1607          * configuration back again.
1608          */
1609         if (events)
1610                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1611
1612         return rc;
1613 }
1614
1615 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1616                                        struct qed_ptt *p_ptt,
1617                                        struct qed_vf_info *vf)
1618 {
1619         struct qed_sp_vport_start_params params = { 0 };
1620         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1621         struct vfpf_vport_start_tlv *start;
1622         u8 status = PFVF_STATUS_SUCCESS;
1623         struct qed_vf_info *vf_info;
1624         u64 *p_bitmap;
1625         int sb_id;
1626         int rc;
1627
1628         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1629         if (!vf_info) {
1630                 DP_NOTICE(p_hwfn->cdev,
1631                           "Failed to get VF info, invalid vfid [%d]\n",
1632                           vf->relative_vf_id);
1633                 return;
1634         }
1635
1636         vf->state = VF_ENABLED;
1637         start = &mbx->req_virt->start_vport;
1638
1639         /* Initialize Status block in CAU */
1640         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1641                 if (!start->sb_addr[sb_id]) {
1642                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1643                                    "VF[%d] did not fill the address of SB %d\n",
1644                                    vf->relative_vf_id, sb_id);
1645                         break;
1646                 }
1647
1648                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1649                                     start->sb_addr[sb_id],
1650                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1651         }
1652         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1653
1654         vf->mtu = start->mtu;
1655         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1656
1657         /* Take into consideration configuration forced by hypervisor;
1658          * If none is configured, use the supplied VF values [for old
1659          * vfs that would still be fine, since they passed '0' as padding].
1660          */
1661         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1662         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1663                 u8 vf_req = start->only_untagged;
1664
1665                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1666                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1667         }
1668
1669         params.tpa_mode = start->tpa_mode;
1670         params.remove_inner_vlan = start->inner_vlan_removal;
1671         params.tx_switching = true;
1672
1673         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1674         params.drop_ttl0 = false;
1675         params.concrete_fid = vf->concrete_fid;
1676         params.opaque_fid = vf->opaque_fid;
1677         params.vport_id = vf->vport_id;
1678         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1679         params.mtu = vf->mtu;
1680         params.check_mac = true;
1681
1682         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1683         if (rc) {
1684                 DP_ERR(p_hwfn,
1685                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1686                 status = PFVF_STATUS_FAILURE;
1687         } else {
1688                 vf->vport_instance++;
1689
1690                 /* Force configuration if needed on the newly opened vport */
1691                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1692
1693                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1694         }
1695         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1696                              sizeof(struct pfvf_def_resp_tlv), status);
1697 }
1698
1699 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1700                                       struct qed_ptt *p_ptt,
1701                                       struct qed_vf_info *vf)
1702 {
1703         u8 status = PFVF_STATUS_SUCCESS;
1704         int rc;
1705
1706         vf->vport_instance--;
1707         vf->spoof_chk = false;
1708
1709         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1710         if (rc) {
1711                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1712                        rc);
1713                 status = PFVF_STATUS_FAILURE;
1714         }
1715
1716         /* Forget the configuration on the vport */
1717         vf->configured_features = 0;
1718         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1719
1720         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1721                              sizeof(struct pfvf_def_resp_tlv), status);
1722 }
1723
1724 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1725                                           struct qed_ptt *p_ptt,
1726                                           struct qed_vf_info *vf,
1727                                           u8 status, bool b_legacy)
1728 {
1729         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1730         struct pfvf_start_queue_resp_tlv *p_tlv;
1731         struct vfpf_start_rxq_tlv *req;
1732         u16 length;
1733
1734         mbx->offset = (u8 *)mbx->reply_virt;
1735
1736         /* Taking a bigger struct instead of adding a TLV to list was a
1737          * mistake, but one which we're now stuck with, as some older
1738          * clients assume the size of the previous response.
1739          */
1740         if (!b_legacy)
1741                 length = sizeof(*p_tlv);
1742         else
1743                 length = sizeof(struct pfvf_def_resp_tlv);
1744
1745         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
1746                             length);
1747         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1748                     sizeof(struct channel_list_end_tlv));
1749
1750         /* Update the TLV with the response */
1751         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
1752                 req = &mbx->req_virt->start_rxq;
1753                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
1754                                 offsetof(struct mstorm_vf_zone,
1755                                          non_trigger.eth_rx_queue_producers) +
1756                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
1757         }
1758
1759         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
1760 }
1761
1762 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1763                                      struct qed_ptt *p_ptt,
1764                                      struct qed_vf_info *vf)
1765 {
1766         struct qed_queue_start_common_params params;
1767         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1768         u8 status = PFVF_STATUS_NO_RESOURCE;
1769         struct vfpf_start_rxq_tlv *req;
1770         bool b_legacy_vf = false;
1771         int rc;
1772
1773         memset(&params, 0, sizeof(params));
1774         req = &mbx->req_virt->start_rxq;
1775
1776         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid) ||
1777             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1778                 goto out;
1779
1780         params.queue_id =  vf->vf_queues[req->rx_qid].fw_rx_qid;
1781         params.vf_qid = req->rx_qid;
1782         params.vport_id = vf->vport_id;
1783         params.sb = req->hw_sb;
1784         params.sb_idx = req->sb_index;
1785
1786         /* Legacy VFs have their Producers in a different location, which they
1787          * calculate on their own and clean the producer prior to this.
1788          */
1789         if (vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1790             ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1791                 b_legacy_vf = true;
1792         } else {
1793                 REG_WR(p_hwfn,
1794                        GTT_BAR0_MAP_REG_MSDM_RAM +
1795                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
1796                        0);
1797         }
1798
1799         rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1800                                          vf->vf_queues[req->rx_qid].fw_cid,
1801                                          &params,
1802                                          vf->abs_vf_id + 0x10,
1803                                          req->bd_max_bytes,
1804                                          req->rxq_addr,
1805                                          req->cqe_pbl_addr, req->cqe_pbl_size,
1806                                          b_legacy_vf);
1807
1808         if (rc) {
1809                 status = PFVF_STATUS_FAILURE;
1810         } else {
1811                 status = PFVF_STATUS_SUCCESS;
1812                 vf->vf_queues[req->rx_qid].rxq_active = true;
1813                 vf->num_active_rxqs++;
1814         }
1815
1816 out:
1817         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, b_legacy_vf);
1818 }
1819
1820 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
1821                                           struct qed_ptt *p_ptt,
1822                                           struct qed_vf_info *p_vf, u8 status)
1823 {
1824         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1825         struct pfvf_start_queue_resp_tlv *p_tlv;
1826         bool b_legacy = false;
1827         u16 length;
1828
1829         mbx->offset = (u8 *)mbx->reply_virt;
1830
1831         /* Taking a bigger struct instead of adding a TLV to list was a
1832          * mistake, but one which we're now stuck with, as some older
1833          * clients assume the size of the previous response.
1834          */
1835         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1836             ETH_HSI_VER_NO_PKT_LEN_TUNN)
1837                 b_legacy = true;
1838
1839         if (!b_legacy)
1840                 length = sizeof(*p_tlv);
1841         else
1842                 length = sizeof(struct pfvf_def_resp_tlv);
1843
1844         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
1845                             length);
1846         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1847                     sizeof(struct channel_list_end_tlv));
1848
1849         /* Update the TLV with the response */
1850         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
1851                 u16 qid = mbx->req_virt->start_txq.tx_qid;
1852
1853                 p_tlv->offset = qed_db_addr(p_vf->vf_queues[qid].fw_cid,
1854                                             DQ_DEMS_LEGACY);
1855         }
1856
1857         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
1858 }
1859
1860 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1861                                      struct qed_ptt *p_ptt,
1862                                      struct qed_vf_info *vf)
1863 {
1864         struct qed_queue_start_common_params params;
1865         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1866         u8 status = PFVF_STATUS_NO_RESOURCE;
1867         union qed_qm_pq_params pq_params;
1868         struct vfpf_start_txq_tlv *req;
1869         int rc;
1870
1871         /* Prepare the parameters which would choose the right PQ */
1872         memset(&pq_params, 0, sizeof(pq_params));
1873         pq_params.eth.is_vf = 1;
1874         pq_params.eth.vf_id = vf->relative_vf_id;
1875
1876         memset(&params, 0, sizeof(params));
1877         req = &mbx->req_virt->start_txq;
1878
1879         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid) ||
1880             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1881                 goto out;
1882
1883         params.queue_id =  vf->vf_queues[req->tx_qid].fw_tx_qid;
1884         params.vport_id = vf->vport_id;
1885         params.sb = req->hw_sb;
1886         params.sb_idx = req->sb_index;
1887
1888         rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1889                                          vf->opaque_fid,
1890                                          vf->vf_queues[req->tx_qid].fw_cid,
1891                                          &params,
1892                                          vf->abs_vf_id + 0x10,
1893                                          req->pbl_addr,
1894                                          req->pbl_size, &pq_params);
1895
1896         if (rc) {
1897                 status = PFVF_STATUS_FAILURE;
1898         } else {
1899                 status = PFVF_STATUS_SUCCESS;
1900                 vf->vf_queues[req->tx_qid].txq_active = true;
1901         }
1902
1903 out:
1904         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
1905 }
1906
1907 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1908                                 struct qed_vf_info *vf,
1909                                 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1910 {
1911         int rc = 0;
1912         int qid;
1913
1914         if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1915                 return -EINVAL;
1916
1917         for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1918                 if (vf->vf_queues[qid].rxq_active) {
1919                         rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1920                                                       vf->vf_queues[qid].
1921                                                       fw_rx_qid, false,
1922                                                       cqe_completion);
1923
1924                         if (rc)
1925                                 return rc;
1926                 }
1927                 vf->vf_queues[qid].rxq_active = false;
1928                 vf->num_active_rxqs--;
1929         }
1930
1931         return rc;
1932 }
1933
1934 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1935                                 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1936 {
1937         int rc = 0;
1938         int qid;
1939
1940         if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1941                 return -EINVAL;
1942
1943         for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1944                 if (vf->vf_queues[qid].txq_active) {
1945                         rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1946                                                       vf->vf_queues[qid].
1947                                                       fw_tx_qid);
1948
1949                         if (rc)
1950                                 return rc;
1951                 }
1952                 vf->vf_queues[qid].txq_active = false;
1953         }
1954         return rc;
1955 }
1956
1957 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1958                                      struct qed_ptt *p_ptt,
1959                                      struct qed_vf_info *vf)
1960 {
1961         u16 length = sizeof(struct pfvf_def_resp_tlv);
1962         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1963         u8 status = PFVF_STATUS_SUCCESS;
1964         struct vfpf_stop_rxqs_tlv *req;
1965         int rc;
1966
1967         /* We give the option of starting from qid != 0, in this case we
1968          * need to make sure that qid + num_qs doesn't exceed the actual
1969          * amount of queues that exist.
1970          */
1971         req = &mbx->req_virt->stop_rxqs;
1972         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1973                                   req->num_rxqs, req->cqe_completion);
1974         if (rc)
1975                 status = PFVF_STATUS_FAILURE;
1976
1977         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1978                              length, status);
1979 }
1980
1981 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1982                                      struct qed_ptt *p_ptt,
1983                                      struct qed_vf_info *vf)
1984 {
1985         u16 length = sizeof(struct pfvf_def_resp_tlv);
1986         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1987         u8 status = PFVF_STATUS_SUCCESS;
1988         struct vfpf_stop_txqs_tlv *req;
1989         int rc;
1990
1991         /* We give the option of starting from qid != 0, in this case we
1992          * need to make sure that qid + num_qs doesn't exceed the actual
1993          * amount of queues that exist.
1994          */
1995         req = &mbx->req_virt->stop_txqs;
1996         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1997         if (rc)
1998                 status = PFVF_STATUS_FAILURE;
1999
2000         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2001                              length, status);
2002 }
2003
2004 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2005                                        struct qed_ptt *p_ptt,
2006                                        struct qed_vf_info *vf)
2007 {
2008         u16 length = sizeof(struct pfvf_def_resp_tlv);
2009         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2010         struct vfpf_update_rxq_tlv *req;
2011         u8 status = PFVF_STATUS_SUCCESS;
2012         u8 complete_event_flg;
2013         u8 complete_cqe_flg;
2014         u16 qid;
2015         int rc;
2016         u8 i;
2017
2018         req = &mbx->req_virt->update_rxq;
2019         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2020         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2021
2022         for (i = 0; i < req->num_rxqs; i++) {
2023                 qid = req->rx_qid + i;
2024
2025                 if (!vf->vf_queues[qid].rxq_active) {
2026                         DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
2027                                   qid);
2028                         status = PFVF_STATUS_FAILURE;
2029                         break;
2030                 }
2031
2032                 rc = qed_sp_eth_rx_queues_update(p_hwfn,
2033                                                  vf->vf_queues[qid].fw_rx_qid,
2034                                                  1,
2035                                                  complete_cqe_flg,
2036                                                  complete_event_flg,
2037                                                  QED_SPQ_MODE_EBLOCK, NULL);
2038
2039                 if (rc) {
2040                         status = PFVF_STATUS_FAILURE;
2041                         break;
2042                 }
2043         }
2044
2045         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2046                              length, status);
2047 }
2048
2049 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2050                                void *p_tlvs_list, u16 req_type)
2051 {
2052         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2053         int len = 0;
2054
2055         do {
2056                 if (!p_tlv->length) {
2057                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2058                         return NULL;
2059                 }
2060
2061                 if (p_tlv->type == req_type) {
2062                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2063                                    "Extended tlv type %d, length %d found\n",
2064                                    p_tlv->type, p_tlv->length);
2065                         return p_tlv;
2066                 }
2067
2068                 len += p_tlv->length;
2069                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2070
2071                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2072                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2073                         return NULL;
2074                 }
2075         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2076
2077         return NULL;
2078 }
2079
2080 static void
2081 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2082                             struct qed_sp_vport_update_params *p_data,
2083                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2084 {
2085         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2086         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2087
2088         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2089                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2090         if (!p_act_tlv)
2091                 return;
2092
2093         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2094         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2095         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2096         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2097         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2098 }
2099
2100 static void
2101 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2102                              struct qed_sp_vport_update_params *p_data,
2103                              struct qed_vf_info *p_vf,
2104                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2105 {
2106         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2107         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2108
2109         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2110                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2111         if (!p_vlan_tlv)
2112                 return;
2113
2114         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2115
2116         /* Ignore the VF request if we're forcing a vlan */
2117         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2118                 p_data->update_inner_vlan_removal_flg = 1;
2119                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2120         }
2121
2122         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2123 }
2124
2125 static void
2126 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2127                             struct qed_sp_vport_update_params *p_data,
2128                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2129 {
2130         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2131         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2132
2133         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2134                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2135                                                    tlv);
2136         if (!p_tx_switch_tlv)
2137                 return;
2138
2139         p_data->update_tx_switching_flg = 1;
2140         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2141         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2142 }
2143
2144 static void
2145 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2146                                   struct qed_sp_vport_update_params *p_data,
2147                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2148 {
2149         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2150         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2151
2152         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2153             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2154         if (!p_mcast_tlv)
2155                 return;
2156
2157         p_data->update_approx_mcast_flg = 1;
2158         memcpy(p_data->bins, p_mcast_tlv->bins,
2159                sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2160         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2161 }
2162
2163 static void
2164 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2165                               struct qed_sp_vport_update_params *p_data,
2166                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2167 {
2168         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2169         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2170         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2171
2172         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2173             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2174         if (!p_accept_tlv)
2175                 return;
2176
2177         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2178         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2179         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2180         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2181         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2182 }
2183
2184 static void
2185 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2186                                   struct qed_sp_vport_update_params *p_data,
2187                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2188 {
2189         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2190         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2191
2192         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2193                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2194                                                      tlv);
2195         if (!p_accept_any_vlan)
2196                 return;
2197
2198         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2199         p_data->update_accept_any_vlan_flg =
2200                     p_accept_any_vlan->update_accept_any_vlan_flg;
2201         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2202 }
2203
2204 static void
2205 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2206                             struct qed_vf_info *vf,
2207                             struct qed_sp_vport_update_params *p_data,
2208                             struct qed_rss_params *p_rss,
2209                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2210 {
2211         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2212         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2213         u16 i, q_idx, max_q_idx;
2214         u16 table_size;
2215
2216         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2217                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2218         if (!p_rss_tlv) {
2219                 p_data->rss_params = NULL;
2220                 return;
2221         }
2222
2223         memset(p_rss, 0, sizeof(struct qed_rss_params));
2224
2225         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2226                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2227         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2228                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2229         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2230                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2231         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2232                                    VFPF_UPDATE_RSS_KEY_FLAG);
2233
2234         p_rss->rss_enable = p_rss_tlv->rss_enable;
2235         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2236         p_rss->rss_caps = p_rss_tlv->rss_caps;
2237         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2238         memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2239                sizeof(p_rss->rss_ind_table));
2240         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2241
2242         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2243                            (1 << p_rss_tlv->rss_table_size_log));
2244
2245         max_q_idx = ARRAY_SIZE(vf->vf_queues);
2246
2247         for (i = 0; i < table_size; i++) {
2248                 u16 index = vf->vf_queues[0].fw_rx_qid;
2249
2250                 q_idx = p_rss->rss_ind_table[i];
2251                 if (q_idx >= max_q_idx)
2252                         DP_NOTICE(p_hwfn,
2253                                   "rss_ind_table[%d] = %d, rxq is out of range\n",
2254                                   i, q_idx);
2255                 else if (!vf->vf_queues[q_idx].rxq_active)
2256                         DP_NOTICE(p_hwfn,
2257                                   "rss_ind_table[%d] = %d, rxq is not active\n",
2258                                   i, q_idx);
2259                 else
2260                         index = vf->vf_queues[q_idx].fw_rx_qid;
2261                 p_rss->rss_ind_table[i] = index;
2262         }
2263
2264         p_data->rss_params = p_rss;
2265         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2266 }
2267
2268 static void
2269 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2270                                 struct qed_vf_info *vf,
2271                                 struct qed_sp_vport_update_params *p_data,
2272                                 struct qed_sge_tpa_params *p_sge_tpa,
2273                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2274 {
2275         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2276         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2277
2278         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2279             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2280
2281         if (!p_sge_tpa_tlv) {
2282                 p_data->sge_tpa_params = NULL;
2283                 return;
2284         }
2285
2286         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2287
2288         p_sge_tpa->update_tpa_en_flg =
2289             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2290         p_sge_tpa->update_tpa_param_flg =
2291             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2292                 VFPF_UPDATE_TPA_PARAM_FLAG);
2293
2294         p_sge_tpa->tpa_ipv4_en_flg =
2295             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2296         p_sge_tpa->tpa_ipv6_en_flg =
2297             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2298         p_sge_tpa->tpa_pkt_split_flg =
2299             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2300         p_sge_tpa->tpa_hdr_data_split_flg =
2301             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2302         p_sge_tpa->tpa_gro_consistent_flg =
2303             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2304
2305         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2306         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2307         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2308         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2309         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2310
2311         p_data->sge_tpa_params = p_sge_tpa;
2312
2313         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2314 }
2315
2316 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2317                                         struct qed_ptt *p_ptt,
2318                                         struct qed_vf_info *vf)
2319 {
2320         struct qed_sp_vport_update_params params;
2321         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2322         struct qed_sge_tpa_params sge_tpa_params;
2323         struct qed_rss_params rss_params;
2324         u8 status = PFVF_STATUS_SUCCESS;
2325         u16 tlvs_mask = 0;
2326         u16 length;
2327         int rc;
2328
2329         /* Valiate PF can send such a request */
2330         if (!vf->vport_instance) {
2331                 DP_VERBOSE(p_hwfn,
2332                            QED_MSG_IOV,
2333                            "No VPORT instance available for VF[%d], failing vport update\n",
2334                            vf->abs_vf_id);
2335                 status = PFVF_STATUS_FAILURE;
2336                 goto out;
2337         }
2338
2339         memset(&params, 0, sizeof(params));
2340         params.opaque_fid = vf->opaque_fid;
2341         params.vport_id = vf->vport_id;
2342         params.rss_params = NULL;
2343
2344         /* Search for extended tlvs list and update values
2345          * from VF in struct qed_sp_vport_update_params.
2346          */
2347         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
2348         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2349         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
2350         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2351         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2352         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2353                                     mbx, &tlvs_mask);
2354         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2355         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2356                                         &sge_tpa_params, mbx, &tlvs_mask);
2357
2358         /* Just log a message if there is no single extended tlv in buffer.
2359          * When all features of vport update ramrod would be requested by VF
2360          * as extended TLVs in buffer then an error can be returned in response
2361          * if there is no extended TLV present in buffer.
2362          */
2363         if (!tlvs_mask) {
2364                 DP_NOTICE(p_hwfn,
2365                           "No feature tlvs found for vport update\n");
2366                 status = PFVF_STATUS_NOT_SUPPORTED;
2367                 goto out;
2368         }
2369
2370         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2371
2372         if (rc)
2373                 status = PFVF_STATUS_FAILURE;
2374
2375 out:
2376         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2377                                                   tlvs_mask, tlvs_mask);
2378         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2379 }
2380
2381 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
2382                                          struct qed_vf_info *p_vf,
2383                                          struct qed_filter_ucast *p_params)
2384 {
2385         int i;
2386
2387         /* First remove entries and then add new ones */
2388         if (p_params->opcode == QED_FILTER_REMOVE) {
2389                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2390                         if (p_vf->shadow_config.vlans[i].used &&
2391                             p_vf->shadow_config.vlans[i].vid ==
2392                             p_params->vlan) {
2393                                 p_vf->shadow_config.vlans[i].used = false;
2394                                 break;
2395                         }
2396                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2397                         DP_VERBOSE(p_hwfn,
2398                                    QED_MSG_IOV,
2399                                    "VF [%d] - Tries to remove a non-existing vlan\n",
2400                                    p_vf->relative_vf_id);
2401                         return -EINVAL;
2402                 }
2403         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2404                    p_params->opcode == QED_FILTER_FLUSH) {
2405                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2406                         p_vf->shadow_config.vlans[i].used = false;
2407         }
2408
2409         /* In forced mode, we're willing to remove entries - but we don't add
2410          * new ones.
2411          */
2412         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
2413                 return 0;
2414
2415         if (p_params->opcode == QED_FILTER_ADD ||
2416             p_params->opcode == QED_FILTER_REPLACE) {
2417                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2418                         if (p_vf->shadow_config.vlans[i].used)
2419                                 continue;
2420
2421                         p_vf->shadow_config.vlans[i].used = true;
2422                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2423                         break;
2424                 }
2425
2426                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2427                         DP_VERBOSE(p_hwfn,
2428                                    QED_MSG_IOV,
2429                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
2430                                    p_vf->relative_vf_id,
2431                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2432                         return -EINVAL;
2433                 }
2434         }
2435
2436         return 0;
2437 }
2438
2439 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
2440                                         struct qed_vf_info *p_vf,
2441                                         struct qed_filter_ucast *p_params)
2442 {
2443         int i;
2444
2445         /* If we're in forced-mode, we don't allow any change */
2446         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
2447                 return 0;
2448
2449         /* First remove entries and then add new ones */
2450         if (p_params->opcode == QED_FILTER_REMOVE) {
2451                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2452                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
2453                                              p_params->mac)) {
2454                                 memset(p_vf->shadow_config.macs[i], 0,
2455                                        ETH_ALEN);
2456                                 break;
2457                         }
2458                 }
2459
2460                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2461                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2462                                    "MAC isn't configured\n");
2463                         return -EINVAL;
2464                 }
2465         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2466                    p_params->opcode == QED_FILTER_FLUSH) {
2467                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
2468                         memset(p_vf->shadow_config.macs[i], 0, ETH_ALEN);
2469         }
2470
2471         /* List the new MAC address */
2472         if (p_params->opcode != QED_FILTER_ADD &&
2473             p_params->opcode != QED_FILTER_REPLACE)
2474                 return 0;
2475
2476         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2477                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
2478                         ether_addr_copy(p_vf->shadow_config.macs[i],
2479                                         p_params->mac);
2480                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2481                                    "Added MAC at %d entry in shadow\n", i);
2482                         break;
2483                 }
2484         }
2485
2486         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2487                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
2488                 return -EINVAL;
2489         }
2490
2491         return 0;
2492 }
2493
2494 static int
2495 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2496                                  struct qed_vf_info *p_vf,
2497                                  struct qed_filter_ucast *p_params)
2498 {
2499         int rc = 0;
2500
2501         if (p_params->type == QED_FILTER_MAC) {
2502                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
2503                 if (rc)
2504                         return rc;
2505         }
2506
2507         if (p_params->type == QED_FILTER_VLAN)
2508                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
2509
2510         return rc;
2511 }
2512
2513 int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2514                       int vfid, struct qed_filter_ucast *params)
2515 {
2516         struct qed_public_vf_info *vf;
2517
2518         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2519         if (!vf)
2520                 return -EINVAL;
2521
2522         /* No real decision to make; Store the configured MAC */
2523         if (params->type == QED_FILTER_MAC ||
2524             params->type == QED_FILTER_MAC_VLAN)
2525                 ether_addr_copy(vf->mac, params->mac);
2526
2527         return 0;
2528 }
2529
2530 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2531                                         struct qed_ptt *p_ptt,
2532                                         struct qed_vf_info *vf)
2533 {
2534         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
2535         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2536         struct vfpf_ucast_filter_tlv *req;
2537         u8 status = PFVF_STATUS_SUCCESS;
2538         struct qed_filter_ucast params;
2539         int rc;
2540
2541         /* Prepare the unicast filter params */
2542         memset(&params, 0, sizeof(struct qed_filter_ucast));
2543         req = &mbx->req_virt->ucast_filter;
2544         params.opcode = (enum qed_filter_opcode)req->opcode;
2545         params.type = (enum qed_filter_ucast_type)req->type;
2546
2547         params.is_rx_filter = 1;
2548         params.is_tx_filter = 1;
2549         params.vport_to_remove_from = vf->vport_id;
2550         params.vport_to_add_to = vf->vport_id;
2551         memcpy(params.mac, req->mac, ETH_ALEN);
2552         params.vlan = req->vlan;
2553
2554         DP_VERBOSE(p_hwfn,
2555                    QED_MSG_IOV,
2556                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2557                    vf->abs_vf_id, params.opcode, params.type,
2558                    params.is_rx_filter ? "RX" : "",
2559                    params.is_tx_filter ? "TX" : "",
2560                    params.vport_to_add_to,
2561                    params.mac[0], params.mac[1],
2562                    params.mac[2], params.mac[3],
2563                    params.mac[4], params.mac[5], params.vlan);
2564
2565         if (!vf->vport_instance) {
2566                 DP_VERBOSE(p_hwfn,
2567                            QED_MSG_IOV,
2568                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2569                            vf->abs_vf_id);
2570                 status = PFVF_STATUS_FAILURE;
2571                 goto out;
2572         }
2573
2574         /* Update shadow copy of the VF configuration */
2575         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2576                 status = PFVF_STATUS_FAILURE;
2577                 goto out;
2578         }
2579
2580         /* Determine if the unicast filtering is acceptible by PF */
2581         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
2582             (params.type == QED_FILTER_VLAN ||
2583              params.type == QED_FILTER_MAC_VLAN)) {
2584                 /* Once VLAN is forced or PVID is set, do not allow
2585                  * to add/replace any further VLANs.
2586                  */
2587                 if (params.opcode == QED_FILTER_ADD ||
2588                     params.opcode == QED_FILTER_REPLACE)
2589                         status = PFVF_STATUS_FORCED;
2590                 goto out;
2591         }
2592
2593         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
2594             (params.type == QED_FILTER_MAC ||
2595              params.type == QED_FILTER_MAC_VLAN)) {
2596                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2597                     (params.opcode != QED_FILTER_ADD &&
2598                      params.opcode != QED_FILTER_REPLACE))
2599                         status = PFVF_STATUS_FORCED;
2600                 goto out;
2601         }
2602
2603         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2604         if (rc) {
2605                 status = PFVF_STATUS_FAILURE;
2606                 goto out;
2607         }
2608
2609         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2610                                      QED_SPQ_MODE_CB, NULL);
2611         if (rc)
2612                 status = PFVF_STATUS_FAILURE;
2613
2614 out:
2615         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2616                              sizeof(struct pfvf_def_resp_tlv), status);
2617 }
2618
2619 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2620                                        struct qed_ptt *p_ptt,
2621                                        struct qed_vf_info *vf)
2622 {
2623         int i;
2624
2625         /* Reset the SBs */
2626         for (i = 0; i < vf->num_sbs; i++)
2627                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2628                                                 vf->igu_sbs[i],
2629                                                 vf->opaque_fid, false);
2630
2631         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2632                              sizeof(struct pfvf_def_resp_tlv),
2633                              PFVF_STATUS_SUCCESS);
2634 }
2635
2636 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2637                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2638 {
2639         u16 length = sizeof(struct pfvf_def_resp_tlv);
2640         u8 status = PFVF_STATUS_SUCCESS;
2641
2642         /* Disable Interrupts for VF */
2643         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2644
2645         /* Reset Permission table */
2646         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2647
2648         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2649                              length, status);
2650 }
2651
2652 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2653                                    struct qed_ptt *p_ptt,
2654                                    struct qed_vf_info *p_vf)
2655 {
2656         u16 length = sizeof(struct pfvf_def_resp_tlv);
2657         u8 status = PFVF_STATUS_SUCCESS;
2658         int rc = 0;
2659
2660         qed_iov_vf_cleanup(p_hwfn, p_vf);
2661
2662         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
2663                 /* Stopping the VF */
2664                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
2665                                     p_vf->opaque_fid);
2666
2667                 if (rc) {
2668                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
2669                                rc);
2670                         status = PFVF_STATUS_FAILURE;
2671                 }
2672
2673                 p_vf->state = VF_STOPPED;
2674         }
2675
2676         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
2677                              length, status);
2678 }
2679
2680 static int
2681 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2682                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2683 {
2684         int cnt;
2685         u32 val;
2686
2687         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2688
2689         for (cnt = 0; cnt < 50; cnt++) {
2690                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2691                 if (!val)
2692                         break;
2693                 msleep(20);
2694         }
2695         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2696
2697         if (cnt == 50) {
2698                 DP_ERR(p_hwfn,
2699                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2700                        p_vf->abs_vf_id, val);
2701                 return -EBUSY;
2702         }
2703
2704         return 0;
2705 }
2706
2707 static int
2708 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2709                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2710 {
2711         u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2712         int i, cnt;
2713
2714         /* Read initial consumers & producers */
2715         for (i = 0; i < MAX_NUM_VOQS; i++) {
2716                 u32 prod;
2717
2718                 cons[i] = qed_rd(p_hwfn, p_ptt,
2719                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2720                                  i * 0x40);
2721                 prod = qed_rd(p_hwfn, p_ptt,
2722                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2723                               i * 0x40);
2724                 distance[i] = prod - cons[i];
2725         }
2726
2727         /* Wait for consumers to pass the producers */
2728         i = 0;
2729         for (cnt = 0; cnt < 50; cnt++) {
2730                 for (; i < MAX_NUM_VOQS; i++) {
2731                         u32 tmp;
2732
2733                         tmp = qed_rd(p_hwfn, p_ptt,
2734                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2735                                      i * 0x40);
2736                         if (distance[i] > tmp - cons[i])
2737                                 break;
2738                 }
2739
2740                 if (i == MAX_NUM_VOQS)
2741                         break;
2742
2743                 msleep(20);
2744         }
2745
2746         if (cnt == 50) {
2747                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2748                        p_vf->abs_vf_id, i);
2749                 return -EBUSY;
2750         }
2751
2752         return 0;
2753 }
2754
2755 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2756                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2757 {
2758         int rc;
2759
2760         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2761         if (rc)
2762                 return rc;
2763
2764         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2765         if (rc)
2766                 return rc;
2767
2768         return 0;
2769 }
2770
2771 static int
2772 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2773                                struct qed_ptt *p_ptt,
2774                                u16 rel_vf_id, u32 *ack_vfs)
2775 {
2776         struct qed_vf_info *p_vf;
2777         int rc = 0;
2778
2779         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2780         if (!p_vf)
2781                 return 0;
2782
2783         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2784             (1ULL << (rel_vf_id % 64))) {
2785                 u16 vfid = p_vf->abs_vf_id;
2786
2787                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2788                            "VF[%d] - Handling FLR\n", vfid);
2789
2790                 qed_iov_vf_cleanup(p_hwfn, p_vf);
2791
2792                 /* If VF isn't active, no need for anything but SW */
2793                 if (!p_vf->b_init)
2794                         goto cleanup;
2795
2796                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2797                 if (rc)
2798                         goto cleanup;
2799
2800                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2801                 if (rc) {
2802                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2803                         return rc;
2804                 }
2805
2806                 /* VF_STOPPED has to be set only after final cleanup
2807                  * but prior to re-enabling the VF.
2808                  */
2809                 p_vf->state = VF_STOPPED;
2810
2811                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2812                 if (rc) {
2813                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2814                                vfid);
2815                         return rc;
2816                 }
2817 cleanup:
2818                 /* Mark VF for ack and clean pending state */
2819                 if (p_vf->state == VF_RESET)
2820                         p_vf->state = VF_STOPPED;
2821                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
2822                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2823                     ~(1ULL << (rel_vf_id % 64));
2824                 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2825                     ~(1ULL << (rel_vf_id % 64));
2826         }
2827
2828         return rc;
2829 }
2830
2831 int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2832 {
2833         u32 ack_vfs[VF_MAX_STATIC / 32];
2834         int rc = 0;
2835         u16 i;
2836
2837         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2838
2839         /* Since BRB <-> PRS interface can't be tested as part of the flr
2840          * polling due to HW limitations, simply sleep a bit. And since
2841          * there's no need to wait per-vf, do it before looping.
2842          */
2843         msleep(100);
2844
2845         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2846                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2847
2848         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2849         return rc;
2850 }
2851
2852 int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2853 {
2854         u16 i, found = 0;
2855
2856         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2857         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2858                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2859                            "[%08x,...,%08x]: %08x\n",
2860                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2861
2862         if (!p_hwfn->cdev->p_iov_info) {
2863                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2864                 return 0;
2865         }
2866
2867         /* Mark VFs */
2868         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2869                 struct qed_vf_info *p_vf;
2870                 u8 vfid;
2871
2872                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2873                 if (!p_vf)
2874                         continue;
2875
2876                 vfid = p_vf->abs_vf_id;
2877                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
2878                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2879                         u16 rel_vf_id = p_vf->relative_vf_id;
2880
2881                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2882                                    "VF[%d] [rel %d] got FLR-ed\n",
2883                                    vfid, rel_vf_id);
2884
2885                         p_vf->state = VF_RESET;
2886
2887                         /* No need to lock here, since pending_flr should
2888                          * only change here and before ACKing MFw. Since
2889                          * MFW will not trigger an additional attention for
2890                          * VF flr until ACKs, we're safe.
2891                          */
2892                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2893                         found = 1;
2894                 }
2895         }
2896
2897         return found;
2898 }
2899
2900 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2901                              u16 vfid,
2902                              struct qed_mcp_link_params *p_params,
2903                              struct qed_mcp_link_state *p_link,
2904                              struct qed_mcp_link_capabilities *p_caps)
2905 {
2906         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2907                                                        vfid,
2908                                                        false);
2909         struct qed_bulletin_content *p_bulletin;
2910
2911         if (!p_vf)
2912                 return;
2913
2914         p_bulletin = p_vf->bulletin.p_virt;
2915
2916         if (p_params)
2917                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2918         if (p_link)
2919                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2920         if (p_caps)
2921                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2922 }
2923
2924 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2925                                     struct qed_ptt *p_ptt, int vfid)
2926 {
2927         struct qed_iov_vf_mbx *mbx;
2928         struct qed_vf_info *p_vf;
2929
2930         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2931         if (!p_vf)
2932                 return;
2933
2934         mbx = &p_vf->vf_mbx;
2935
2936         /* qed_iov_process_mbx_request */
2937         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2938                    "VF[%02x]: Processing mailbox message\n", p_vf->abs_vf_id);
2939
2940         mbx->first_tlv = mbx->req_virt->first_tlv;
2941
2942         /* check if tlv type is known */
2943         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
2944                 switch (mbx->first_tlv.tl.type) {
2945                 case CHANNEL_TLV_ACQUIRE:
2946                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2947                         break;
2948                 case CHANNEL_TLV_VPORT_START:
2949                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2950                         break;
2951                 case CHANNEL_TLV_VPORT_TEARDOWN:
2952                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2953                         break;
2954                 case CHANNEL_TLV_START_RXQ:
2955                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2956                         break;
2957                 case CHANNEL_TLV_START_TXQ:
2958                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2959                         break;
2960                 case CHANNEL_TLV_STOP_RXQS:
2961                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2962                         break;
2963                 case CHANNEL_TLV_STOP_TXQS:
2964                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2965                         break;
2966                 case CHANNEL_TLV_UPDATE_RXQ:
2967                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2968                         break;
2969                 case CHANNEL_TLV_VPORT_UPDATE:
2970                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2971                         break;
2972                 case CHANNEL_TLV_UCAST_FILTER:
2973                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2974                         break;
2975                 case CHANNEL_TLV_CLOSE:
2976                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2977                         break;
2978                 case CHANNEL_TLV_INT_CLEANUP:
2979                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2980                         break;
2981                 case CHANNEL_TLV_RELEASE:
2982                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2983                         break;
2984                 }
2985         } else {
2986                 /* unknown TLV - this may belong to a VF driver from the future
2987                  * - a version written after this PF driver was written, which
2988                  * supports features unknown as of yet. Too bad since we don't
2989                  * support them. Or this may be because someone wrote a crappy
2990                  * VF driver and is sending garbage over the channel.
2991                  */
2992                 DP_NOTICE(p_hwfn,
2993                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
2994                           p_vf->abs_vf_id,
2995                           mbx->first_tlv.tl.type,
2996                           mbx->first_tlv.tl.length,
2997                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
2998
2999                 /* Try replying in case reply address matches the acquisition's
3000                  * posted address.
3001                  */
3002                 if (p_vf->acquire.first_tlv.reply_address &&
3003                     (mbx->first_tlv.reply_address ==
3004                      p_vf->acquire.first_tlv.reply_address)) {
3005                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3006                                              mbx->first_tlv.tl.type,
3007                                              sizeof(struct pfvf_def_resp_tlv),
3008                                              PFVF_STATUS_NOT_SUPPORTED);
3009                 } else {
3010                         DP_VERBOSE(p_hwfn,
3011                                    QED_MSG_IOV,
3012                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3013                                    p_vf->abs_vf_id);
3014                 }
3015         }
3016 }
3017
3018 void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
3019 {
3020         u64 add_bit = 1ULL << (vfid % 64);
3021
3022         p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
3023 }
3024
3025 static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
3026                                                     u64 *events)
3027 {
3028         u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
3029
3030         memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3031         memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3032 }
3033
3034 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3035                               u16 abs_vfid, struct regpair *vf_msg)
3036 {
3037         u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3038         struct qed_vf_info *p_vf;
3039
3040         if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
3041                 DP_VERBOSE(p_hwfn,
3042                            QED_MSG_IOV,
3043                            "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
3044                            abs_vfid);
3045                 return 0;
3046         }
3047         p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
3048
3049         /* List the physical address of the request so that handler
3050          * could later on copy the message from it.
3051          */
3052         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3053
3054         /* Mark the event and schedule the workqueue */
3055         qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
3056         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3057
3058         return 0;
3059 }
3060
3061 int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
3062                         u8 opcode, __le16 echo, union event_ring_data *data)
3063 {
3064         switch (opcode) {
3065         case COMMON_EVENT_VF_PF_CHANNEL:
3066                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
3067                                           &data->vf_pf_channel.msg_addr);
3068         default:
3069                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
3070                         opcode);
3071                 return -EINVAL;
3072         }
3073 }
3074
3075 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3076 {
3077         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
3078         u16 i;
3079
3080         if (!p_iov)
3081                 goto out;
3082
3083         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
3084                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
3085                         return i;
3086
3087 out:
3088         return MAX_NUM_VFS;
3089 }
3090
3091 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
3092                                int vfid)
3093 {
3094         struct qed_dmae_params params;
3095         struct qed_vf_info *vf_info;
3096
3097         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3098         if (!vf_info)
3099                 return -EINVAL;
3100
3101         memset(&params, 0, sizeof(struct qed_dmae_params));
3102         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
3103         params.src_vfid = vf_info->abs_vf_id;
3104
3105         if (qed_dmae_host2host(p_hwfn, ptt,
3106                                vf_info->vf_mbx.pending_req,
3107                                vf_info->vf_mbx.req_phys,
3108                                sizeof(union vfpf_tlvs) / 4, &params)) {
3109                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3110                            "Failed to copy message from VF 0x%02x\n", vfid);
3111
3112                 return -EIO;
3113         }
3114
3115         return 0;
3116 }
3117
3118 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
3119                                             u8 *mac, int vfid)
3120 {
3121         struct qed_vf_info *vf_info;
3122         u64 feature;
3123
3124         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3125         if (!vf_info) {
3126                 DP_NOTICE(p_hwfn->cdev,
3127                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3128                 return;
3129         }
3130
3131         feature = 1 << MAC_ADDR_FORCED;
3132         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
3133
3134         vf_info->bulletin.p_virt->valid_bitmap |= feature;
3135         /* Forced MAC will disable MAC_ADDR */
3136         vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
3137
3138         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3139 }
3140
3141 void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
3142                                       u16 pvid, int vfid)
3143 {
3144         struct qed_vf_info *vf_info;
3145         u64 feature;
3146
3147         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3148         if (!vf_info) {
3149                 DP_NOTICE(p_hwfn->cdev,
3150                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3151                 return;
3152         }
3153
3154         feature = 1 << VLAN_ADDR_FORCED;
3155         vf_info->bulletin.p_virt->pvid = pvid;
3156         if (pvid)
3157                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3158         else
3159                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
3160
3161         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3162 }
3163
3164 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
3165 {
3166         struct qed_vf_info *p_vf_info;
3167
3168         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3169         if (!p_vf_info)
3170                 return false;
3171
3172         return !!p_vf_info->vport_instance;
3173 }
3174
3175 bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
3176 {
3177         struct qed_vf_info *p_vf_info;
3178
3179         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3180         if (!p_vf_info)
3181                 return true;
3182
3183         return p_vf_info->state == VF_STOPPED;
3184 }
3185
3186 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
3187 {
3188         struct qed_vf_info *vf_info;
3189
3190         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3191         if (!vf_info)
3192                 return false;
3193
3194         return vf_info->spoof_chk;
3195 }
3196
3197 int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
3198 {
3199         struct qed_vf_info *vf;
3200         int rc = -EINVAL;
3201
3202         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3203                 DP_NOTICE(p_hwfn,
3204                           "SR-IOV sanity check failed, can't set spoofchk\n");
3205                 goto out;
3206         }
3207
3208         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3209         if (!vf)
3210                 goto out;
3211
3212         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
3213                 /* After VF VPORT start PF will configure spoof check */
3214                 vf->req_spoofchk_val = val;
3215                 rc = 0;
3216                 goto out;
3217         }
3218
3219         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
3220
3221 out:
3222         return rc;
3223 }
3224
3225 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
3226                                            u16 rel_vf_id)
3227 {
3228         struct qed_vf_info *p_vf;
3229
3230         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3231         if (!p_vf || !p_vf->bulletin.p_virt)
3232                 return NULL;
3233
3234         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
3235                 return NULL;
3236
3237         return p_vf->bulletin.p_virt->mac;
3238 }
3239
3240 u16 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3241 {
3242         struct qed_vf_info *p_vf;
3243
3244         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3245         if (!p_vf || !p_vf->bulletin.p_virt)
3246                 return 0;
3247
3248         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
3249                 return 0;
3250
3251         return p_vf->bulletin.p_virt->pvid;
3252 }
3253
3254 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
3255                                      struct qed_ptt *p_ptt, int vfid, int val)
3256 {
3257         struct qed_vf_info *vf;
3258         u8 abs_vp_id = 0;
3259         int rc;
3260
3261         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3262         if (!vf)
3263                 return -EINVAL;
3264
3265         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
3266         if (rc)
3267                 return rc;
3268
3269         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
3270 }
3271
3272 int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
3273 {
3274         struct qed_vf_info *vf;
3275         u8 vport_id;
3276         int i;
3277
3278         for_each_hwfn(cdev, i) {
3279                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3280
3281                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3282                         DP_NOTICE(p_hwfn,
3283                                   "SR-IOV sanity check failed, can't set min rate\n");
3284                         return -EINVAL;
3285                 }
3286         }
3287
3288         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
3289         vport_id = vf->vport_id;
3290
3291         return qed_configure_vport_wfq(cdev, vport_id, rate);
3292 }
3293
3294 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
3295 {
3296         struct qed_wfq_data *vf_vp_wfq;
3297         struct qed_vf_info *vf_info;
3298
3299         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3300         if (!vf_info)
3301                 return 0;
3302
3303         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
3304
3305         if (vf_vp_wfq->configured)
3306                 return vf_vp_wfq->min_speed;
3307         else
3308                 return 0;
3309 }
3310
3311 /**
3312  * qed_schedule_iov - schedules IOV task for VF and PF
3313  * @hwfn: hardware function pointer
3314  * @flag: IOV flag for VF/PF
3315  */
3316 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3317 {
3318         smp_mb__before_atomic();
3319         set_bit(flag, &hwfn->iov_task_flags);
3320         smp_mb__after_atomic();
3321         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3322         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3323 }
3324
3325 void qed_vf_start_iov_wq(struct qed_dev *cdev)
3326 {
3327         int i;
3328
3329         for_each_hwfn(cdev, i)
3330             queue_delayed_work(cdev->hwfns[i].iov_wq,
3331                                &cdev->hwfns[i].iov_task, 0);
3332 }
3333
3334 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3335 {
3336         int i, j;
3337
3338         for_each_hwfn(cdev, i)
3339             if (cdev->hwfns[i].iov_wq)
3340                 flush_workqueue(cdev->hwfns[i].iov_wq);
3341
3342         /* Mark VFs for disablement */
3343         qed_iov_set_vfs_to_disable(cdev, true);
3344
3345         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3346                 pci_disable_sriov(cdev->pdev);
3347
3348         for_each_hwfn(cdev, i) {
3349                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3350                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3351
3352                 /* Failure to acquire the ptt in 100g creates an odd error
3353                  * where the first engine has already relased IOV.
3354                  */
3355                 if (!ptt) {
3356                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3357                         return -EBUSY;
3358                 }
3359
3360                 /* Clean WFQ db and configure equal weight for all vports */
3361                 qed_clean_wfq_db(hwfn, ptt);
3362
3363                 qed_for_each_vf(hwfn, j) {
3364                         int k;
3365
3366                         if (!qed_iov_is_valid_vfid(hwfn, j, true))
3367                                 continue;
3368
3369                         /* Wait until VF is disabled before releasing */
3370                         for (k = 0; k < 100; k++) {
3371                                 if (!qed_iov_is_vf_stopped(hwfn, j))
3372                                         msleep(20);
3373                                 else
3374                                         break;
3375                         }
3376
3377                         if (k < 100)
3378                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3379                                                           ptt, j);
3380                         else
3381                                 DP_ERR(hwfn,
3382                                        "Timeout waiting for VF's FLR to end\n");
3383                 }
3384
3385                 qed_ptt_release(hwfn, ptt);
3386         }
3387
3388         qed_iov_set_vfs_to_disable(cdev, false);
3389
3390         return 0;
3391 }
3392
3393 static int qed_sriov_enable(struct qed_dev *cdev, int num)
3394 {
3395         struct qed_sb_cnt_info sb_cnt_info;
3396         int i, j, rc;
3397
3398         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3399                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3400                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3401                 return -EINVAL;
3402         }
3403
3404         /* Initialize HW for VF access */
3405         for_each_hwfn(cdev, j) {
3406                 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3407                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3408                 int num_sbs = 0, limit = 16;
3409
3410                 if (!ptt) {
3411                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3412                         rc = -EBUSY;
3413                         goto err;
3414                 }
3415
3416                 if (IS_MF_DEFAULT(hwfn))
3417                         limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3418
3419                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3420                 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3421                 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3422
3423                 for (i = 0; i < num; i++) {
3424                         if (!qed_iov_is_valid_vfid(hwfn, i, false))
3425                                 continue;
3426
3427                         rc = qed_iov_init_hw_for_vf(hwfn,
3428                                                     ptt, i, num_sbs / num);
3429                         if (rc) {
3430                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3431                                 qed_ptt_release(hwfn, ptt);
3432                                 goto err;
3433                         }
3434                 }
3435
3436                 qed_ptt_release(hwfn, ptt);
3437         }
3438
3439         /* Enable SRIOV PCIe functions */
3440         rc = pci_enable_sriov(cdev->pdev, num);
3441         if (rc) {
3442                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3443                 goto err;
3444         }
3445
3446         return num;
3447
3448 err:
3449         qed_sriov_disable(cdev, false);
3450         return rc;
3451 }
3452
3453 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3454 {
3455         if (!IS_QED_SRIOV(cdev)) {
3456                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3457                 return -EOPNOTSUPP;
3458         }
3459
3460         if (num_vfs_param)
3461                 return qed_sriov_enable(cdev, num_vfs_param);
3462         else
3463                 return qed_sriov_disable(cdev, true);
3464 }
3465
3466 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3467 {
3468         int i;
3469
3470         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3471                 DP_VERBOSE(cdev, QED_MSG_IOV,
3472                            "Cannot set a VF MAC; Sriov is not enabled\n");
3473                 return -EINVAL;
3474         }
3475
3476         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3477                 DP_VERBOSE(cdev, QED_MSG_IOV,
3478                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3479                 return -EINVAL;
3480         }
3481
3482         for_each_hwfn(cdev, i) {
3483                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3484                 struct qed_public_vf_info *vf_info;
3485
3486                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3487                 if (!vf_info)
3488                         continue;
3489
3490                 /* Set the forced MAC, and schedule the IOV task */
3491                 ether_addr_copy(vf_info->forced_mac, mac);
3492                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3493         }
3494
3495         return 0;
3496 }
3497
3498 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3499 {
3500         int i;
3501
3502         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3503                 DP_VERBOSE(cdev, QED_MSG_IOV,
3504                            "Cannot set a VF MAC; Sriov is not enabled\n");
3505                 return -EINVAL;
3506         }
3507
3508         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3509                 DP_VERBOSE(cdev, QED_MSG_IOV,
3510                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3511                 return -EINVAL;
3512         }
3513
3514         for_each_hwfn(cdev, i) {
3515                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3516                 struct qed_public_vf_info *vf_info;
3517
3518                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3519                 if (!vf_info)
3520                         continue;
3521
3522                 /* Set the forced vlan, and schedule the IOV task */
3523                 vf_info->forced_vlan = vid;
3524                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3525         }
3526
3527         return 0;
3528 }
3529
3530 static int qed_get_vf_config(struct qed_dev *cdev,
3531                              int vf_id, struct ifla_vf_info *ivi)
3532 {
3533         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3534         struct qed_public_vf_info *vf_info;
3535         struct qed_mcp_link_state link;
3536         u32 tx_rate;
3537
3538         /* Sanitize request */
3539         if (IS_VF(cdev))
3540                 return -EINVAL;
3541
3542         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3543                 DP_VERBOSE(cdev, QED_MSG_IOV,
3544                            "VF index [%d] isn't active\n", vf_id);
3545                 return -EINVAL;
3546         }
3547
3548         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3549
3550         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3551
3552         /* Fill information about VF */
3553         ivi->vf = vf_id;
3554
3555         if (is_valid_ether_addr(vf_info->forced_mac))
3556                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3557         else
3558                 ether_addr_copy(ivi->mac, vf_info->mac);
3559
3560         ivi->vlan = vf_info->forced_vlan;
3561         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3562         ivi->linkstate = vf_info->link_state;
3563         tx_rate = vf_info->tx_rate;
3564         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3565         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3566
3567         return 0;
3568 }
3569
3570 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3571 {
3572         struct qed_mcp_link_capabilities caps;
3573         struct qed_mcp_link_params params;
3574         struct qed_mcp_link_state link;
3575         int i;
3576
3577         if (!hwfn->pf_iov_info)
3578                 return;
3579
3580         /* Update bulletin of all future possible VFs with link configuration */
3581         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
3582                 struct qed_public_vf_info *vf_info;
3583
3584                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3585                 if (!vf_info)
3586                         continue;
3587
3588                 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3589                 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3590                 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3591                        sizeof(caps));
3592
3593                 /* Modify link according to the VF's configured link state */
3594                 switch (vf_info->link_state) {
3595                 case IFLA_VF_LINK_STATE_DISABLE:
3596                         link.link_up = false;
3597                         break;
3598                 case IFLA_VF_LINK_STATE_ENABLE:
3599                         link.link_up = true;
3600                         /* Set speed according to maximum supported by HW.
3601                          * that is 40G for regular devices and 100G for CMT
3602                          * mode devices.
3603                          */
3604                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
3605                                      100000 : 40000;
3606                 default:
3607                         /* In auto mode pass PF link image to VF */
3608                         break;
3609                 }
3610
3611                 if (link.link_up && vf_info->tx_rate) {
3612                         struct qed_ptt *ptt;
3613                         int rate;
3614
3615                         rate = min_t(int, vf_info->tx_rate, link.speed);
3616
3617                         ptt = qed_ptt_acquire(hwfn);
3618                         if (!ptt) {
3619                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3620                                 return;
3621                         }
3622
3623                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3624                                 vf_info->tx_rate = rate;
3625                                 link.speed = rate;
3626                         }
3627
3628                         qed_ptt_release(hwfn, ptt);
3629                 }
3630
3631                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3632         }
3633
3634         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3635 }
3636
3637 static int qed_set_vf_link_state(struct qed_dev *cdev,
3638                                  int vf_id, int link_state)
3639 {
3640         int i;
3641
3642         /* Sanitize request */
3643         if (IS_VF(cdev))
3644                 return -EINVAL;
3645
3646         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3647                 DP_VERBOSE(cdev, QED_MSG_IOV,
3648                            "VF index [%d] isn't active\n", vf_id);
3649                 return -EINVAL;
3650         }
3651
3652         /* Handle configuration of link state */
3653         for_each_hwfn(cdev, i) {
3654                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3655                 struct qed_public_vf_info *vf;
3656
3657                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3658                 if (!vf)
3659                         continue;
3660
3661                 if (vf->link_state == link_state)
3662                         continue;
3663
3664                 vf->link_state = link_state;
3665                 qed_inform_vf_link_state(&cdev->hwfns[i]);
3666         }
3667
3668         return 0;
3669 }
3670
3671 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3672 {
3673         int i, rc = -EINVAL;
3674
3675         for_each_hwfn(cdev, i) {
3676                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3677
3678                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3679                 if (rc)
3680                         break;
3681         }
3682
3683         return rc;
3684 }
3685
3686 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3687 {
3688         int i;
3689
3690         for_each_hwfn(cdev, i) {
3691                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3692                 struct qed_public_vf_info *vf;
3693
3694                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3695                         DP_NOTICE(p_hwfn,
3696                                   "SR-IOV sanity check failed, can't set tx rate\n");
3697                         return -EINVAL;
3698                 }
3699
3700                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3701
3702                 vf->tx_rate = rate;
3703
3704                 qed_inform_vf_link_state(p_hwfn);
3705         }
3706
3707         return 0;
3708 }
3709
3710 static int qed_set_vf_rate(struct qed_dev *cdev,
3711                            int vfid, u32 min_rate, u32 max_rate)
3712 {
3713         int rc_min = 0, rc_max = 0;
3714
3715         if (max_rate)
3716                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3717
3718         if (min_rate)
3719                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3720
3721         if (rc_max | rc_min)
3722                 return -EINVAL;
3723
3724         return 0;
3725 }
3726
3727 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3728 {
3729         u64 events[QED_VF_ARRAY_LENGTH];
3730         struct qed_ptt *ptt;
3731         int i;
3732
3733         ptt = qed_ptt_acquire(hwfn);
3734         if (!ptt) {
3735                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3736                            "Can't acquire PTT; re-scheduling\n");
3737                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3738                 return;
3739         }
3740
3741         qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3742
3743         DP_VERBOSE(hwfn, QED_MSG_IOV,
3744                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3745                    events[0], events[1], events[2]);
3746
3747         qed_for_each_vf(hwfn, i) {
3748                 /* Skip VFs with no pending messages */
3749                 if (!(events[i / 64] & (1ULL << (i % 64))))
3750                         continue;
3751
3752                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3753                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3754                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3755
3756                 /* Copy VF's message to PF's request buffer for that VF */
3757                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3758                         continue;
3759
3760                 qed_iov_process_mbx_req(hwfn, ptt, i);
3761         }
3762
3763         qed_ptt_release(hwfn, ptt);
3764 }
3765
3766 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3767 {
3768         int i;
3769
3770         qed_for_each_vf(hwfn, i) {
3771                 struct qed_public_vf_info *info;
3772                 bool update = false;
3773                 u8 *mac;
3774
3775                 info = qed_iov_get_public_vf_info(hwfn, i, true);
3776                 if (!info)
3777                         continue;
3778
3779                 /* Update data on bulletin board */
3780                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3781                 if (is_valid_ether_addr(info->forced_mac) &&
3782                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3783                         DP_VERBOSE(hwfn,
3784                                    QED_MSG_IOV,
3785                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3786                                    i,
3787                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3788
3789                         /* Update bulletin board with forced MAC */
3790                         qed_iov_bulletin_set_forced_mac(hwfn,
3791                                                         info->forced_mac, i);
3792                         update = true;
3793                 }
3794
3795                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3796                     info->forced_vlan) {
3797                         DP_VERBOSE(hwfn,
3798                                    QED_MSG_IOV,
3799                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3800                                    info->forced_vlan,
3801                                    i,
3802                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3803                         qed_iov_bulletin_set_forced_vlan(hwfn,
3804                                                          info->forced_vlan, i);
3805                         update = true;
3806                 }
3807
3808                 if (update)
3809                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3810         }
3811 }
3812
3813 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3814 {
3815         struct qed_ptt *ptt;
3816         int i;
3817
3818         ptt = qed_ptt_acquire(hwfn);
3819         if (!ptt) {
3820                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3821                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3822                 return;
3823         }
3824
3825         qed_for_each_vf(hwfn, i)
3826             qed_iov_post_vf_bulletin(hwfn, i, ptt);
3827
3828         qed_ptt_release(hwfn, ptt);
3829 }
3830
3831 void qed_iov_pf_task(struct work_struct *work)
3832 {
3833         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3834                                              iov_task.work);
3835         int rc;
3836
3837         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3838                 return;
3839
3840         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3841                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3842
3843                 if (!ptt) {
3844                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3845                         return;
3846                 }
3847
3848                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3849                 if (rc)
3850                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3851
3852                 qed_ptt_release(hwfn, ptt);
3853         }
3854
3855         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3856                 qed_handle_vf_msg(hwfn);
3857
3858         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3859                                &hwfn->iov_task_flags))
3860                 qed_handle_pf_set_vf_unicast(hwfn);
3861
3862         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3863                                &hwfn->iov_task_flags))
3864                 qed_handle_bulletin_post(hwfn);
3865 }
3866
3867 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3868 {
3869         int i;
3870
3871         for_each_hwfn(cdev, i) {
3872                 if (!cdev->hwfns[i].iov_wq)
3873                         continue;
3874
3875                 if (schedule_first) {
3876                         qed_schedule_iov(&cdev->hwfns[i],
3877                                          QED_IOV_WQ_STOP_WQ_FLAG);
3878                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3879                 }
3880
3881                 flush_workqueue(cdev->hwfns[i].iov_wq);
3882                 destroy_workqueue(cdev->hwfns[i].iov_wq);
3883         }
3884 }
3885
3886 int qed_iov_wq_start(struct qed_dev *cdev)
3887 {
3888         char name[NAME_SIZE];
3889         int i;
3890
3891         for_each_hwfn(cdev, i) {
3892                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3893
3894                 /* PFs needs a dedicated workqueue only if they support IOV.
3895                  * VFs always require one.
3896                  */
3897                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
3898                         continue;
3899
3900                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3901                          cdev->pdev->bus->number,
3902                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3903
3904                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3905                 if (!p_hwfn->iov_wq) {
3906                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3907                         return -ENOMEM;
3908                 }
3909
3910                 if (IS_PF(cdev))
3911                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3912                 else
3913                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
3914         }
3915
3916         return 0;
3917 }
3918
3919 const struct qed_iov_hv_ops qed_iov_ops_pass = {
3920         .configure = &qed_sriov_configure,
3921         .set_mac = &qed_sriov_pf_set_mac,
3922         .set_vlan = &qed_sriov_pf_set_vlan,
3923         .get_config = &qed_get_vf_config,
3924         .set_link_state = &qed_set_vf_link_state,
3925         .set_spoof = &qed_spoof_configure,
3926         .set_rate = &qed_set_vf_rate,
3927 };