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