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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #include <linux/etherdevice.h>
  10 #include <linux/crc32.h>
  11 #include <linux/qed/qed_iov_if.h>
  12 #include "qed_cxt.h"
  13 #include "qed_hsi.h"
  14 #include "qed_hw.h"
  15 #include "qed_init_ops.h"
  16 #include "qed_int.h"
  17 #include "qed_mcp.h"
  18 #include "qed_reg_addr.h"
  19 #include "qed_sp.h"
  20 #include "qed_sriov.h"
  21 #include "qed_vf.h"
  22
  23 /* IOV ramrods */
  24 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  25 {
  26         struct vf_start_ramrod_data *p_ramrod = NULL;
  27         struct qed_spq_entry *p_ent = NULL;
  28         struct qed_sp_init_data init_data;
  29         int rc = -EINVAL;
  30         u8 fp_minor;
  31
  32         /* Get SPQ entry */
  33         memset(&init_data, 0, sizeof(init_data));
  34         init_data.cid = qed_spq_get_cid(p_hwfn);
  35         init_data.opaque_fid = p_vf->opaque_fid;
  36         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  37
  38         rc = qed_sp_init_request(p_hwfn, &p_ent,
  39                                  COMMON_RAMROD_VF_START,
  40                                  PROTOCOLID_COMMON, &init_data);
  41         if (rc)
  42                 return rc;
  43
  44         p_ramrod = &p_ent->ramrod.vf_start;
  45
  46         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  47         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  48
  49         switch (p_hwfn->hw_info.personality) {
  50         case QED_PCI_ETH:
  51                 p_ramrod->personality = PERSONALITY_ETH;
  52                 break;
  53         case QED_PCI_ETH_ROCE:
  54                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
  55                 break;
  56         default:
  57                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
  58                           p_hwfn->hw_info.personality);
  59                 return -EINVAL;
  60         }
  61
  62         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
  63         if (fp_minor > ETH_HSI_VER_MINOR &&
  64             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
  65                 DP_VERBOSE(p_hwfn,
  66                            QED_MSG_IOV,
  67                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
  68                            p_vf->abs_vf_id,
  69                            ETH_HSI_VER_MAJOR,
  70                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
  71                 fp_minor = ETH_HSI_VER_MINOR;
  72         }
  73
  74         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
  75         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
  76
  77         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
  78                    "VF[%d] - Starting using HSI %02x.%02x\n",
  79                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
  80
  81         return qed_spq_post(p_hwfn, p_ent, NULL);
  82 }
  83
  84 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
  85                           u32 concrete_vfid, u16 opaque_vfid)
  86 {
  87         struct vf_stop_ramrod_data *p_ramrod = NULL;
  88         struct qed_spq_entry *p_ent = NULL;
  89         struct qed_sp_init_data init_data;
  90         int rc = -EINVAL;
  91
  92         /* Get SPQ entry */
  93         memset(&init_data, 0, sizeof(init_data));
  94         init_data.cid = qed_spq_get_cid(p_hwfn);
  95         init_data.opaque_fid = opaque_vfid;
  96         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  97
  98         rc = qed_sp_init_request(p_hwfn, &p_ent,
  99                                  COMMON_RAMROD_VF_STOP,
 100                                  PROTOCOLID_COMMON, &init_data);
 101         if (rc)
 102                 return rc;
 103
 104         p_ramrod = &p_ent->ramrod.vf_stop;
 105
 106         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 107
 108         return qed_spq_post(p_hwfn, p_ent, NULL);
 109 }
 110
 111 static bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 112                                   int rel_vf_id, bool b_enabled_only)
 113 {
 114         if (!p_hwfn->pf_iov_info) {
 115                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 116                 return false;
 117         }
 118
 119         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 120             (rel_vf_id < 0))
 121                 return false;
 122
 123         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 124             b_enabled_only)
 125                 return false;
 126
 127         return true;
 128 }
 129
 130 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 131                                                u16 relative_vf_id,
 132                                                bool b_enabled_only)
 133 {
 134         struct qed_vf_info *vf = NULL;
 135
 136         if (!p_hwfn->pf_iov_info) {
 137                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 138                 return NULL;
 139         }
 140
 141         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only))
 142                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 143         else
 144                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 145                        relative_vf_id);
 146
 147         return vf;
 148 }
 149
 150 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 151                                  struct qed_vf_info *p_vf, u16 rx_qid)
 152 {
 153         if (rx_qid >= p_vf->num_rxqs)
 154                 DP_VERBOSE(p_hwfn,
 155                            QED_MSG_IOV,
 156                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 157                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 158         return rx_qid < p_vf->num_rxqs;
 159 }
 160
 161 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 162                                  struct qed_vf_info *p_vf, u16 tx_qid)
 163 {
 164         if (tx_qid >= p_vf->num_txqs)
 165                 DP_VERBOSE(p_hwfn,
 166                            QED_MSG_IOV,
 167                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 168                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 169         return tx_qid < p_vf->num_txqs;
 170 }
 171
 172 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 173                                 struct qed_vf_info *p_vf, u16 sb_idx)
 174 {
 175         int i;
 176
 177         for (i = 0; i < p_vf->num_sbs; i++)
 178                 if (p_vf->igu_sbs[i] == sb_idx)
 179                         return true;
 180
 181         DP_VERBOSE(p_hwfn,
 182                    QED_MSG_IOV,
 183                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 184                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 185
 186         return false;
 187 }
 188
 189 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 190                                     int vfid, struct qed_ptt *p_ptt)
 191 {
 192         struct qed_bulletin_content *p_bulletin;
 193         int crc_size = sizeof(p_bulletin->crc);
 194         struct qed_dmae_params params;
 195         struct qed_vf_info *p_vf;
 196
 197         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 198         if (!p_vf)
 199                 return -EINVAL;
 200
 201         if (!p_vf->vf_bulletin)
 202                 return -EINVAL;
 203
 204         p_bulletin = p_vf->bulletin.p_virt;
 205
 206         /* Increment bulletin board version and compute crc */
 207         p_bulletin->version++;
 208         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 209                                 p_vf->bulletin.size - crc_size);
 210
 211         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 212                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 213                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 214
 215         /* propagate bulletin board via dmae to vm memory */
 216         memset(&params, 0, sizeof(params));
 217         params.flags = QED_DMAE_FLAG_VF_DST;
 218         params.dst_vfid = p_vf->abs_vf_id;
 219         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 220                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 221                                   &params);
 222 }
 223
 224 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 225 {
 226         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 227         int pos = iov->pos;
 228
 229         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 230         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 231
 232         pci_read_config_word(cdev->pdev,
 233                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 234         pci_read_config_word(cdev->pdev,
 235                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 236
 237         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 238         if (iov->num_vfs) {
 239                 DP_VERBOSE(cdev,
 240                            QED_MSG_IOV,
 241                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 242                 iov->num_vfs = 0;
 243         }
 244
 245         pci_read_config_word(cdev->pdev,
 246                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 247
 248         pci_read_config_word(cdev->pdev,
 249                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 250
 251         pci_read_config_word(cdev->pdev,
 252                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 253
 254         pci_read_config_dword(cdev->pdev,
 255                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 256
 257         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 258
 259         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 260
 261         DP_VERBOSE(cdev,
 262                    QED_MSG_IOV,
 263                    "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
 264                    iov->nres,
 265                    iov->cap,
 266                    iov->ctrl,
 267                    iov->total_vfs,
 268                    iov->initial_vfs,
 269                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 270
 271         /* Some sanity checks */
 272         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 273             iov->total_vfs > NUM_OF_VFS(cdev)) {
 274                 /* This can happen only due to a bug. In this case we set
 275                  * num_vfs to zero to avoid memory corruption in the code that
 276                  * assumes max number of vfs
 277                  */
 278                 DP_NOTICE(cdev,
 279                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 280                           iov->num_vfs);
 281
 282                 iov->num_vfs = 0;
 283                 iov->total_vfs = 0;
 284         }
 285
 286         return 0;
 287 }
 288
 289 static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
 290                                         struct qed_ptt *p_ptt)
 291 {
 292         struct qed_igu_block *p_sb;
 293         u16 sb_id;
 294         u32 val;
 295
 296         if (!p_hwfn->hw_info.p_igu_info) {
 297                 DP_ERR(p_hwfn,
 298                        "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
 299                 return;
 300         }
 301
 302         for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
 303              sb_id++) {
 304                 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
 305                 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
 306                     !(p_sb->status & QED_IGU_STATUS_PF)) {
 307                         val = qed_rd(p_hwfn, p_ptt,
 308                                      IGU_REG_MAPPING_MEMORY + sb_id * 4);
 309                         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 310                         qed_wr(p_hwfn, p_ptt,
 311                                IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
 312                 }
 313         }
 314 }
 315
 316 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 317 {
 318         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 319         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 320         struct qed_bulletin_content *p_bulletin_virt;
 321         dma_addr_t req_p, rply_p, bulletin_p;
 322         union pfvf_tlvs *p_reply_virt_addr;
 323         union vfpf_tlvs *p_req_virt_addr;
 324         u8 idx = 0;
 325
 326         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 327
 328         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 329         req_p = p_iov_info->mbx_msg_phys_addr;
 330         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 331         rply_p = p_iov_info->mbx_reply_phys_addr;
 332         p_bulletin_virt = p_iov_info->p_bulletins;
 333         bulletin_p = p_iov_info->bulletins_phys;
 334         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 335                 DP_ERR(p_hwfn,
 336                        "qed_iov_setup_vfdb called without allocating mem first\n");
 337                 return;
 338         }
 339
 340         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 341                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 342                 u32 concrete;
 343
 344                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 345                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 346                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 347                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 348
 349                 vf->state = VF_STOPPED;
 350                 vf->b_init = false;
 351
 352                 vf->bulletin.phys = idx *
 353                                     sizeof(struct qed_bulletin_content) +
 354                                     bulletin_p;
 355                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 356                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 357
 358                 vf->relative_vf_id = idx;
 359                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 360                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 361                 vf->concrete_fid = concrete;
 362                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 363                                  (vf->abs_vf_id << 8);
 364                 vf->vport_id = idx + 1;
 365
 366                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 367                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 368         }
 369 }
 370
 371 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 372 {
 373         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 374         void **p_v_addr;
 375         u16 num_vfs = 0;
 376
 377         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 378
 379         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 380                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 381
 382         /* Allocate PF Mailbox buffer (per-VF) */
 383         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 384         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 385         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 386                                        p_iov_info->mbx_msg_size,
 387                                        &p_iov_info->mbx_msg_phys_addr,
 388                                        GFP_KERNEL);
 389         if (!*p_v_addr)
 390                 return -ENOMEM;
 391
 392         /* Allocate PF Mailbox Reply buffer (per-VF) */
 393         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 394         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 395         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 396                                        p_iov_info->mbx_reply_size,
 397                                        &p_iov_info->mbx_reply_phys_addr,
 398                                        GFP_KERNEL);
 399         if (!*p_v_addr)
 400                 return -ENOMEM;
 401
 402         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 403                                      num_vfs;
 404         p_v_addr = &p_iov_info->p_bulletins;
 405         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 406                                        p_iov_info->bulletins_size,
 407                                        &p_iov_info->bulletins_phys,
 408                                        GFP_KERNEL);
 409         if (!*p_v_addr)
 410                 return -ENOMEM;
 411
 412         DP_VERBOSE(p_hwfn,
 413                    QED_MSG_IOV,
 414                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 415                    p_iov_info->mbx_msg_virt_addr,
 416                    (u64) p_iov_info->mbx_msg_phys_addr,
 417                    p_iov_info->mbx_reply_virt_addr,
 418                    (u64) p_iov_info->mbx_reply_phys_addr,
 419                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 420
 421         return 0;
 422 }
 423
 424 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 425 {
 426         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 427
 428         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 429                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 430                                   p_iov_info->mbx_msg_size,
 431                                   p_iov_info->mbx_msg_virt_addr,
 432                                   p_iov_info->mbx_msg_phys_addr);
 433
 434         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 435                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 436                                   p_iov_info->mbx_reply_size,
 437                                   p_iov_info->mbx_reply_virt_addr,
 438                                   p_iov_info->mbx_reply_phys_addr);
 439
 440         if (p_iov_info->p_bulletins)
 441                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 442                                   p_iov_info->bulletins_size,
 443                                   p_iov_info->p_bulletins,
 444                                   p_iov_info->bulletins_phys);
 445 }
 446
 447 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 448 {
 449         struct qed_pf_iov *p_sriov;
 450
 451         if (!IS_PF_SRIOV(p_hwfn)) {
 452                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 453                            "No SR-IOV - no need for IOV db\n");
 454                 return 0;
 455         }
 456
 457         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 458         if (!p_sriov)
 459                 return -ENOMEM;
 460
 461         p_hwfn->pf_iov_info = p_sriov;
 462
 463         return qed_iov_allocate_vfdb(p_hwfn);
 464 }
 465
 466 void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 467 {
 468         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 469                 return;
 470
 471         qed_iov_setup_vfdb(p_hwfn);
 472         qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
 473 }
 474
 475 void qed_iov_free(struct qed_hwfn *p_hwfn)
 476 {
 477         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 478                 qed_iov_free_vfdb(p_hwfn);
 479                 kfree(p_hwfn->pf_iov_info);
 480         }
 481 }
 482
 483 void qed_iov_free_hw_info(struct qed_dev *cdev)
 484 {
 485         kfree(cdev->p_iov_info);
 486         cdev->p_iov_info = NULL;
 487 }
 488
 489 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 490 {
 491         struct qed_dev *cdev = p_hwfn->cdev;
 492         int pos;
 493         int rc;
 494
 495         if (IS_VF(p_hwfn->cdev))
 496                 return 0;
 497
 498         /* Learn the PCI configuration */
 499         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 500                                       PCI_EXT_CAP_ID_SRIOV);
 501         if (!pos) {
 502                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 503                 return 0;
 504         }
 505
 506         /* Allocate a new struct for IOV information */
 507         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 508         if (!cdev->p_iov_info)
 509                 return -ENOMEM;
 510
 511         cdev->p_iov_info->pos = pos;
 512
 513         rc = qed_iov_pci_cfg_info(cdev);
 514         if (rc)
 515                 return rc;
 516
 517         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 518          * In case the capability is published but there are no VFs, simply
 519          * de-allocate the struct.
 520          */
 521         if (!cdev->p_iov_info->total_vfs) {
 522                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 523                            "IOV capabilities, but no VFs are published\n");
 524                 kfree(cdev->p_iov_info);
 525                 cdev->p_iov_info = NULL;
 526                 return 0;
 527         }
 528
 529         /* Calculate the first VF index - this is a bit tricky; Basically,
 530          * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
 531          * after the first engine's VFs.
 532          */
 533         cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
 534                                            p_hwfn->abs_pf_id - 16;
 535         if (QED_PATH_ID(p_hwfn))
 536                 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 537
 538         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 539                    "First VF in hwfn 0x%08x\n",
 540                    cdev->p_iov_info->first_vf_in_pf);
 541
 542         return 0;
 543 }
 544
 545 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 546 {
 547         /* Check PF supports sriov */
 548         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 549             !IS_PF_SRIOV_ALLOC(p_hwfn))
 550                 return false;
 551
 552         /* Check VF validity */
 553         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true))
 554                 return false;
 555
 556         return true;
 557 }
 558
 559 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 560                                       u16 rel_vf_id, u8 to_disable)
 561 {
 562         struct qed_vf_info *vf;
 563         int i;
 564
 565         for_each_hwfn(cdev, i) {
 566                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 567
 568                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 569                 if (!vf)
 570                         continue;
 571
 572                 vf->to_disable = to_disable;
 573         }
 574 }
 575
 576 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 577 {
 578         u16 i;
 579
 580         if (!IS_QED_SRIOV(cdev))
 581                 return;
 582
 583         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 584                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 585 }
 586
 587 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 588                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 589 {
 590         qed_wr(p_hwfn, p_ptt,
 591                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 592                1 << (abs_vfid & 0x1f));
 593 }
 594
 595 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 596                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 597 {
 598         int i;
 599
 600         /* Set VF masks and configuration - pretend */
 601         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 602
 603         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 604
 605         /* unpretend */
 606         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 607
 608         /* iterate over all queues, clear sb consumer */
 609         for (i = 0; i < vf->num_sbs; i++)
 610                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 611                                                 vf->igu_sbs[i],
 612                                                 vf->opaque_fid, true);
 613 }
 614
 615 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 616                                    struct qed_ptt *p_ptt,
 617                                    struct qed_vf_info *vf, bool enable)
 618 {
 619         u32 igu_vf_conf;
 620
 621         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 622
 623         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 624
 625         if (enable)
 626                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 627         else
 628                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 629
 630         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 631
 632         /* unpretend */
 633         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 634 }
 635
 636 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 637                                     struct qed_ptt *p_ptt,
 638                                     struct qed_vf_info *vf)
 639 {
 640         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 641         int rc;
 642
 643         if (vf->to_disable)
 644                 return 0;
 645
 646         DP_VERBOSE(p_hwfn,
 647                    QED_MSG_IOV,
 648                    "Enable internal access for vf %x [abs %x]\n",
 649                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 650
 651         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 652
 653         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 654
 655         rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
 656         if (rc)
 657                 return rc;
 658
 659         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 660
 661         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 662         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 663
 664         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 665                      p_hwfn->hw_info.hw_mode);
 666
 667         /* unpretend */
 668         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 669
 670         vf->state = VF_FREE;
 671
 672         return rc;
 673 }
 674
 675 /**
 676  * @brief qed_iov_config_perm_table - configure the permission
 677  *      zone table.
 678  *      In E4, queue zone permission table size is 320x9. There
 679  *      are 320 VF queues for single engine device (256 for dual
 680  *      engine device), and each entry has the following format:
 681  *      {Valid, VF[7:0]}
 682  * @param p_hwfn
 683  * @param p_ptt
 684  * @param vf
 685  * @param enable
 686  */
 687 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 688                                       struct qed_ptt *p_ptt,
 689                                       struct qed_vf_info *vf, u8 enable)
 690 {
 691         u32 reg_addr, val;
 692         u16 qzone_id = 0;
 693         int qid;
 694
 695         for (qid = 0; qid < vf->num_rxqs; qid++) {
 696                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 697                                 &qzone_id);
 698
 699                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 700                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 701                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 702         }
 703 }
 704
 705 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 706                                       struct qed_ptt *p_ptt,
 707                                       struct qed_vf_info *vf)
 708 {
 709         /* Reset vf in IGU - interrupts are still disabled */
 710         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 711
 712         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 713
 714         /* Permission Table */
 715         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 716 }
 717
 718 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 719                                    struct qed_ptt *p_ptt,
 720                                    struct qed_vf_info *vf, u16 num_rx_queues)
 721 {
 722         struct qed_igu_block *igu_blocks;
 723         int qid = 0, igu_id = 0;
 724         u32 val = 0;
 725
 726         igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
 727
 728         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
 729                 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
 730         p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
 731
 732         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 733         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 734         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 735
 736         while ((qid < num_rx_queues) &&
 737                (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
 738                 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
 739                         struct cau_sb_entry sb_entry;
 740
 741                         vf->igu_sbs[qid] = (u16)igu_id;
 742                         igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
 743
 744                         SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 745
 746                         qed_wr(p_hwfn, p_ptt,
 747                                IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
 748                                val);
 749
 750                         /* Configure igu sb in CAU which were marked valid */
 751                         qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 752                                               p_hwfn->rel_pf_id,
 753                                               vf->abs_vf_id, 1);
 754                         qed_dmae_host2grc(p_hwfn, p_ptt,
 755                                           (u64)(uintptr_t)&sb_entry,
 756                                           CAU_REG_SB_VAR_MEMORY +
 757                                           igu_id * sizeof(u64), 2, 0);
 758                         qid++;
 759                 }
 760                 igu_id++;
 761         }
 762
 763         vf->num_sbs = (u8) num_rx_queues;
 764
 765         return vf->num_sbs;
 766 }
 767
 768 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 769                                     struct qed_ptt *p_ptt,
 770                                     struct qed_vf_info *vf)
 771 {
 772         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 773         int idx, igu_id;
 774         u32 addr, val;
 775
 776         /* Invalidate igu CAM lines and mark them as free */
 777         for (idx = 0; idx < vf->num_sbs; idx++) {
 778                 igu_id = vf->igu_sbs[idx];
 779                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 780
 781                 val = qed_rd(p_hwfn, p_ptt, addr);
 782                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 783                 qed_wr(p_hwfn, p_ptt, addr, val);
 784
 785                 p_info->igu_map.igu_blocks[igu_id].status |=
 786                     QED_IGU_STATUS_FREE;
 787
 788                 p_hwfn->hw_info.p_igu_info->free_blks++;
 789         }
 790
 791         vf->num_sbs = 0;
 792 }
 793
 794 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 795                                   struct qed_ptt *p_ptt,
 796                                   u16 rel_vf_id, u16 num_rx_queues)
 797 {
 798         u8 num_of_vf_avaiable_chains = 0;
 799         struct qed_vf_info *vf = NULL;
 800         int rc = 0;
 801         u32 cids;
 802         u8 i;
 803
 804         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 805         if (!vf) {
 806                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 807                 return -EINVAL;
 808         }
 809
 810         if (vf->b_init) {
 811                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
 812                 return -EINVAL;
 813         }
 814
 815         /* Limit number of queues according to number of CIDs */
 816         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
 817         DP_VERBOSE(p_hwfn,
 818                    QED_MSG_IOV,
 819                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
 820                    vf->relative_vf_id, num_rx_queues, (u16) cids);
 821         num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
 822
 823         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
 824                                                              p_ptt,
 825                                                              vf,
 826                                                              num_rx_queues);
 827         if (!num_of_vf_avaiable_chains) {
 828                 DP_ERR(p_hwfn, "no available igu sbs\n");
 829                 return -ENOMEM;
 830         }
 831
 832         /* Choose queue number and index ranges */
 833         vf->num_rxqs = num_of_vf_avaiable_chains;
 834         vf->num_txqs = num_of_vf_avaiable_chains;
 835
 836         for (i = 0; i < vf->num_rxqs; i++) {
 837                 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
 838                                                            vf->igu_sbs[i]);
 839
 840                 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
 841                         DP_NOTICE(p_hwfn,
 842                                   "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
 843                                   vf->relative_vf_id, queue_id);
 844                         return -EINVAL;
 845                 }
 846
 847                 /* CIDs are per-VF, so no problem having them 0-based. */
 848                 vf->vf_queues[i].fw_rx_qid = queue_id;
 849                 vf->vf_queues[i].fw_tx_qid = queue_id;
 850                 vf->vf_queues[i].fw_cid = i;
 851
 852                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 853                            "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
 854                            vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
 855         }
 856         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
 857         if (!rc) {
 858                 vf->b_init = true;
 859
 860                 if (IS_LEAD_HWFN(p_hwfn))
 861                         p_hwfn->cdev->p_iov_info->num_vfs++;
 862         }
 863
 864         return rc;
 865 }
 866
 867 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 868                              u16 vfid,
 869                              struct qed_mcp_link_params *params,
 870                              struct qed_mcp_link_state *link,
 871                              struct qed_mcp_link_capabilities *p_caps)
 872 {
 873         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 874                                                        vfid,
 875                                                        false);
 876         struct qed_bulletin_content *p_bulletin;
 877
 878         if (!p_vf)
 879                 return;
 880
 881         p_bulletin = p_vf->bulletin.p_virt;
 882         p_bulletin->req_autoneg = params->speed.autoneg;
 883         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 884         p_bulletin->req_forced_speed = params->speed.forced_speed;
 885         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 886         p_bulletin->req_forced_rx = params->pause.forced_rx;
 887         p_bulletin->req_forced_tx = params->pause.forced_tx;
 888         p_bulletin->req_loopback = params->loopback_mode;
 889
 890         p_bulletin->link_up = link->link_up;
 891         p_bulletin->speed = link->speed;
 892         p_bulletin->full_duplex = link->full_duplex;
 893         p_bulletin->autoneg = link->an;
 894         p_bulletin->autoneg_complete = link->an_complete;
 895         p_bulletin->parallel_detection = link->parallel_detection;
 896         p_bulletin->pfc_enabled = link->pfc_enabled;
 897         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 898         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 899         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 900         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 901         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 902
 903         p_bulletin->capability_speed = p_caps->speed_capabilities;
 904 }
 905
 906 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
 907                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
 908 {
 909         struct qed_mcp_link_capabilities caps;
 910         struct qed_mcp_link_params params;
 911         struct qed_mcp_link_state link;
 912         struct qed_vf_info *vf = NULL;
 913
 914         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
 915         if (!vf) {
 916                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
 917                 return -EINVAL;
 918         }
 919
 920         if (vf->bulletin.p_virt)
 921                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
 922
 923         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
 924
 925         /* Get the link configuration back in bulletin so
 926          * that when VFs are re-enabled they get the actual
 927          * link configuration.
 928          */
 929         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
 930         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
 931         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
 932         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
 933
 934         /* Forget the VF's acquisition message */
 935         memset(&vf->acquire, 0, sizeof(vf->acquire));
 936
 937         /* disablng interrupts and resetting permission table was done during
 938          * vf-close, however, we could get here without going through vf_close
 939          */
 940         /* Disable Interrupts for VF */
 941         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
 942
 943         /* Reset Permission table */
 944         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
 945
 946         vf->num_rxqs = 0;
 947         vf->num_txqs = 0;
 948         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
 949
 950         if (vf->b_init) {
 951                 vf->b_init = false;
 952
 953                 if (IS_LEAD_HWFN(p_hwfn))
 954                         p_hwfn->cdev->p_iov_info->num_vfs--;
 955         }
 956
 957         return 0;
 958 }
 959
 960 static bool qed_iov_tlv_supported(u16 tlvtype)
 961 {
 962         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
 963 }
 964
 965 /* place a given tlv on the tlv buffer, continuing current tlv list */
 966 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
 967 {
 968         struct channel_tlv *tl = (struct channel_tlv *)*offset;
 969
 970         tl->type = type;
 971         tl->length = length;
 972
 973         /* Offset should keep pointing to next TLV (the end of the last) */
 974         *offset += length;
 975
 976         /* Return a pointer to the start of the added tlv */
 977         return *offset - length;
 978 }
 979
 980 /* list the types and lengths of the tlvs on the buffer */
 981 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
 982 {
 983         u16 i = 1, total_length = 0;
 984         struct channel_tlv *tlv;
 985
 986         do {
 987                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
 988
 989                 /* output tlv */
 990                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 991                            "TLV number %d: type %d, length %d\n",
 992                            i, tlv->type, tlv->length);
 993
 994                 if (tlv->type == CHANNEL_TLV_LIST_END)
 995                         return;
 996
 997                 /* Validate entry - protect against malicious VFs */
 998                 if (!tlv->length) {
 999                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1000                         return;
1001                 }
1002
1003                 total_length += tlv->length;
1004
1005                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1006                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1007                         return;
1008                 }
1009
1010                 i++;
1011         } while (1);
1012 }
1013
1014 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1015                                   struct qed_ptt *p_ptt,
1016                                   struct qed_vf_info *p_vf,
1017                                   u16 length, u8 status)
1018 {
1019         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1020         struct qed_dmae_params params;
1021         u8 eng_vf_id;
1022
1023         mbx->reply_virt->default_resp.hdr.status = status;
1024
1025         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1026
1027         eng_vf_id = p_vf->abs_vf_id;
1028
1029         memset(&params, 0, sizeof(struct qed_dmae_params));
1030         params.flags = QED_DMAE_FLAG_VF_DST;
1031         params.dst_vfid = eng_vf_id;
1032
1033         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1034                            mbx->req_virt->first_tlv.reply_address +
1035                            sizeof(u64),
1036                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1037                            &params);
1038
1039         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1040                            mbx->req_virt->first_tlv.reply_address,
1041                            sizeof(u64) / 4, &params);
1042
1043         REG_WR(p_hwfn,
1044                GTT_BAR0_MAP_REG_USDM_RAM +
1045                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1046 }
1047
1048 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1049                                 enum qed_iov_vport_update_flag flag)
1050 {
1051         switch (flag) {
1052         case QED_IOV_VP_UPDATE_ACTIVATE:
1053                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1054         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1055                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1056         case QED_IOV_VP_UPDATE_TX_SWITCH:
1057                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1058         case QED_IOV_VP_UPDATE_MCAST:
1059                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1060         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1061                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1062         case QED_IOV_VP_UPDATE_RSS:
1063                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1064         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1065                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1066         case QED_IOV_VP_UPDATE_SGE_TPA:
1067                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1068         default:
1069                 return 0;
1070         }
1071 }
1072
1073 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1074                                             struct qed_vf_info *p_vf,
1075                                             struct qed_iov_vf_mbx *p_mbx,
1076                                             u8 status,
1077                                             u16 tlvs_mask, u16 tlvs_accepted)
1078 {
1079         struct pfvf_def_resp_tlv *resp;
1080         u16 size, total_len, i;
1081
1082         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1083         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1084         size = sizeof(struct pfvf_def_resp_tlv);
1085         total_len = size;
1086
1087         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1088
1089         /* Prepare response for all extended tlvs if they are found by PF */
1090         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1091                 if (!(tlvs_mask & BIT(i)))
1092                         continue;
1093
1094                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1095                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1096
1097                 if (tlvs_accepted & BIT(i))
1098                         resp->hdr.status = status;
1099                 else
1100                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1101
1102                 DP_VERBOSE(p_hwfn,
1103                            QED_MSG_IOV,
1104                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1105                            p_vf->relative_vf_id,
1106                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1107
1108                 total_len += size;
1109         }
1110
1111         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1112                     sizeof(struct channel_list_end_tlv));
1113
1114         return total_len;
1115 }
1116
1117 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1118                                  struct qed_ptt *p_ptt,
1119                                  struct qed_vf_info *vf_info,
1120                                  u16 type, u16 length, u8 status)
1121 {
1122         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1123
1124         mbx->offset = (u8 *)mbx->reply_virt;
1125
1126         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1127         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1128                     sizeof(struct channel_list_end_tlv));
1129
1130         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1131 }
1132
1133 static struct
1134 qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1135                                                u16 relative_vf_id,
1136                                                bool b_enabled_only)
1137 {
1138         struct qed_vf_info *vf = NULL;
1139
1140         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1141         if (!vf)
1142                 return NULL;
1143
1144         return &vf->p_vf_info;
1145 }
1146
1147 static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1148 {
1149         struct qed_public_vf_info *vf_info;
1150
1151         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1152
1153         if (!vf_info)
1154                 return;
1155
1156         /* Clear the VF mac */
1157         memset(vf_info->mac, 0, ETH_ALEN);
1158 }
1159
1160 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1161                                struct qed_vf_info *p_vf)
1162 {
1163         u32 i;
1164
1165         p_vf->vf_bulletin = 0;
1166         p_vf->vport_instance = 0;
1167         p_vf->configured_features = 0;
1168
1169         /* If VF previously requested less resources, go back to default */
1170         p_vf->num_rxqs = p_vf->num_sbs;
1171         p_vf->num_txqs = p_vf->num_sbs;
1172
1173         p_vf->num_active_rxqs = 0;
1174
1175         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1176                 p_vf->vf_queues[i].rxq_active = 0;
1177
1178         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1179         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1180         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1181 }
1182
1183 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1184                                       struct qed_ptt *p_ptt,
1185                                       struct qed_vf_info *p_vf,
1186                                       struct vf_pf_resc_request *p_req,
1187                                       struct pf_vf_resc *p_resp)
1188 {
1189         int i;
1190
1191         /* Queue related information */
1192         p_resp->num_rxqs = p_vf->num_rxqs;
1193         p_resp->num_txqs = p_vf->num_txqs;
1194         p_resp->num_sbs = p_vf->num_sbs;
1195
1196         for (i = 0; i < p_resp->num_sbs; i++) {
1197                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1198                 p_resp->hw_sbs[i].sb_qid = 0;
1199         }
1200
1201         /* These fields are filled for backward compatibility.
1202          * Unused by modern vfs.
1203          */
1204         for (i = 0; i < p_resp->num_rxqs; i++) {
1205                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1206                                 (u16 *)&p_resp->hw_qid[i]);
1207                 p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
1208         }
1209
1210         /* Filter related information */
1211         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1212                                         p_req->num_mac_filters);
1213         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1214                                          p_req->num_vlan_filters);
1215
1216         /* This isn't really needed/enforced, but some legacy VFs might depend
1217          * on the correct filling of this field.
1218          */
1219         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1220
1221         /* Validate sufficient resources for VF */
1222         if (p_resp->num_rxqs < p_req->num_rxqs ||
1223             p_resp->num_txqs < p_req->num_txqs ||
1224             p_resp->num_sbs < p_req->num_sbs ||
1225             p_resp->num_mac_filters < p_req->num_mac_filters ||
1226             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1227             p_resp->num_mc_filters < p_req->num_mc_filters) {
1228                 DP_VERBOSE(p_hwfn,
1229                            QED_MSG_IOV,
1230                            "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1231                            p_vf->abs_vf_id,
1232                            p_req->num_rxqs,
1233                            p_resp->num_rxqs,
1234                            p_req->num_rxqs,
1235                            p_resp->num_txqs,
1236                            p_req->num_sbs,
1237                            p_resp->num_sbs,
1238                            p_req->num_mac_filters,
1239                            p_resp->num_mac_filters,
1240                            p_req->num_vlan_filters,
1241                            p_resp->num_vlan_filters,
1242                            p_req->num_mc_filters, p_resp->num_mc_filters);
1243
1244                 /* Some legacy OSes are incapable of correctly handling this
1245                  * failure.
1246                  */
1247                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1248                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1249                     (p_vf->acquire.vfdev_info.os_type ==
1250                      VFPF_ACQUIRE_OS_WINDOWS))
1251                         return PFVF_STATUS_SUCCESS;
1252
1253                 return PFVF_STATUS_NO_RESOURCE;
1254         }
1255
1256         return PFVF_STATUS_SUCCESS;
1257 }
1258
1259 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1260                                          struct pfvf_stats_info *p_stats)
1261 {
1262         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1263                                   offsetof(struct mstorm_vf_zone,
1264                                            non_trigger.eth_queue_stat);
1265         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1266         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1267                                   offsetof(struct ustorm_vf_zone,
1268                                            non_trigger.eth_queue_stat);
1269         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1270         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1271                                   offsetof(struct pstorm_vf_zone,
1272                                            non_trigger.eth_queue_stat);
1273         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1274         p_stats->tstats.address = 0;
1275         p_stats->tstats.len = 0;
1276 }
1277
1278 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1279                                    struct qed_ptt *p_ptt,
1280                                    struct qed_vf_info *vf)
1281 {
1282         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1283         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1284         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1285         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1286         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1287         struct pf_vf_resc *resc = &resp->resc;
1288         int rc;
1289
1290         memset(resp, 0, sizeof(*resp));
1291
1292         /* Write the PF version so that VF would know which version
1293          * is supported - might be later overriden. This guarantees that
1294          * VF could recognize legacy PF based on lack of versions in reply.
1295          */
1296         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1297         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1298
1299         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1300                 DP_VERBOSE(p_hwfn,
1301                            QED_MSG_IOV,
1302                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1303                            vf->abs_vf_id, vf->state);
1304                 goto out;
1305         }
1306
1307         /* Validate FW compatibility */
1308         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1309                 if (req->vfdev_info.capabilities &
1310                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1311                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1312
1313                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1314                                    "VF[%d] is pre-fastpath HSI\n",
1315                                    vf->abs_vf_id);
1316                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1317                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1318                 } else {
1319                         DP_INFO(p_hwfn,
1320                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1321                                 vf->abs_vf_id,
1322                                 req->vfdev_info.eth_fp_hsi_major,
1323                                 req->vfdev_info.eth_fp_hsi_minor,
1324                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1325
1326                         goto out;
1327                 }
1328         }
1329
1330         /* On 100g PFs, prevent old VFs from loading */
1331         if ((p_hwfn->cdev->num_hwfns > 1) &&
1332             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1333                 DP_INFO(p_hwfn,
1334                         "VF[%d] is running an old driver that doesn't support 100g\n",
1335                         vf->abs_vf_id);
1336                 goto out;
1337         }
1338
1339         /* Store the acquire message */
1340         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1341
1342         vf->opaque_fid = req->vfdev_info.opaque_fid;
1343
1344         vf->vf_bulletin = req->bulletin_addr;
1345         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1346                             vf->bulletin.size : req->bulletin_size;
1347
1348         /* fill in pfdev info */
1349         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1350         pfdev_info->db_size = 0;
1351         pfdev_info->indices_per_sb = PIS_PER_SB;
1352
1353         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1354                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1355         if (p_hwfn->cdev->num_hwfns > 1)
1356                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1357
1358         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1359
1360         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1361
1362         pfdev_info->fw_major = FW_MAJOR_VERSION;
1363         pfdev_info->fw_minor = FW_MINOR_VERSION;
1364         pfdev_info->fw_rev = FW_REVISION_VERSION;
1365         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1366
1367         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1368          * this field.
1369          */
1370         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1371                                          req->vfdev_info.eth_fp_hsi_minor);
1372         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1373         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1374
1375         pfdev_info->dev_type = p_hwfn->cdev->type;
1376         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1377
1378         /* Fill resources available to VF; Make sure there are enough to
1379          * satisfy the VF's request.
1380          */
1381         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1382                                                   &req->resc_request, resc);
1383         if (vfpf_status != PFVF_STATUS_SUCCESS)
1384                 goto out;
1385
1386         /* Start the VF in FW */
1387         rc = qed_sp_vf_start(p_hwfn, vf);
1388         if (rc) {
1389                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1390                 vfpf_status = PFVF_STATUS_FAILURE;
1391                 goto out;
1392         }
1393
1394         /* Fill agreed size of bulletin board in response */
1395         resp->bulletin_size = vf->bulletin.size;
1396         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1397
1398         DP_VERBOSE(p_hwfn,
1399                    QED_MSG_IOV,
1400                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1401                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1402                    vf->abs_vf_id,
1403                    resp->pfdev_info.chip_num,
1404                    resp->pfdev_info.db_size,
1405                    resp->pfdev_info.indices_per_sb,
1406                    resp->pfdev_info.capabilities,
1407                    resc->num_rxqs,
1408                    resc->num_txqs,
1409                    resc->num_sbs,
1410                    resc->num_mac_filters,
1411                    resc->num_vlan_filters);
1412         vf->state = VF_ACQUIRED;
1413
1414         /* Prepare Response */
1415 out:
1416         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1417                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1418 }
1419
1420 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1421                                   struct qed_vf_info *p_vf, bool val)
1422 {
1423         struct qed_sp_vport_update_params params;
1424         int rc;
1425
1426         if (val == p_vf->spoof_chk) {
1427                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1428                            "Spoofchk value[%d] is already configured\n", val);
1429                 return 0;
1430         }
1431
1432         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1433         params.opaque_fid = p_vf->opaque_fid;
1434         params.vport_id = p_vf->vport_id;
1435         params.update_anti_spoofing_en_flg = 1;
1436         params.anti_spoofing_en = val;
1437
1438         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1439         if (!rc) {
1440                 p_vf->spoof_chk = val;
1441                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1442                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1443                            "Spoofchk val[%d] configured\n", val);
1444         } else {
1445                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1446                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1447                            val, p_vf->relative_vf_id);
1448         }
1449
1450         return rc;
1451 }
1452
1453 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1454                                             struct qed_vf_info *p_vf)
1455 {
1456         struct qed_filter_ucast filter;
1457         int rc = 0;
1458         int i;
1459
1460         memset(&filter, 0, sizeof(filter));
1461         filter.is_rx_filter = 1;
1462         filter.is_tx_filter = 1;
1463         filter.vport_to_add_to = p_vf->vport_id;
1464         filter.opcode = QED_FILTER_ADD;
1465
1466         /* Reconfigure vlans */
1467         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1468                 if (!p_vf->shadow_config.vlans[i].used)
1469                         continue;
1470
1471                 filter.type = QED_FILTER_VLAN;
1472                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1473                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1474                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1475                            filter.vlan, p_vf->relative_vf_id);
1476                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1477                                              &filter, QED_SPQ_MODE_CB, NULL);
1478                 if (rc) {
1479                         DP_NOTICE(p_hwfn,
1480                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1481                                   filter.vlan, p_vf->relative_vf_id);
1482                         break;
1483                 }
1484         }
1485
1486         return rc;
1487 }
1488
1489 static int
1490 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1491                                    struct qed_vf_info *p_vf, u64 events)
1492 {
1493         int rc = 0;
1494
1495         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1496             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1497                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1498
1499         return rc;
1500 }
1501
1502 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1503                                           struct qed_vf_info *p_vf, u64 events)
1504 {
1505         int rc = 0;
1506         struct qed_filter_ucast filter;
1507
1508         if (!p_vf->vport_instance)
1509                 return -EINVAL;
1510
1511         if (events & BIT(MAC_ADDR_FORCED)) {
1512                 /* Since there's no way [currently] of removing the MAC,
1513                  * we can always assume this means we need to force it.
1514                  */
1515                 memset(&filter, 0, sizeof(filter));
1516                 filter.type = QED_FILTER_MAC;
1517                 filter.opcode = QED_FILTER_REPLACE;
1518                 filter.is_rx_filter = 1;
1519                 filter.is_tx_filter = 1;
1520                 filter.vport_to_add_to = p_vf->vport_id;
1521                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1522
1523                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1524                                              &filter, QED_SPQ_MODE_CB, NULL);
1525                 if (rc) {
1526                         DP_NOTICE(p_hwfn,
1527                                   "PF failed to configure MAC for VF\n");
1528                         return rc;
1529                 }
1530
1531                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1532         }
1533
1534         if (events & BIT(VLAN_ADDR_FORCED)) {
1535                 struct qed_sp_vport_update_params vport_update;
1536                 u8 removal;
1537                 int i;
1538
1539                 memset(&filter, 0, sizeof(filter));
1540                 filter.type = QED_FILTER_VLAN;
1541                 filter.is_rx_filter = 1;
1542                 filter.is_tx_filter = 1;
1543                 filter.vport_to_add_to = p_vf->vport_id;
1544                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1545                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1546                                               QED_FILTER_FLUSH;
1547
1548                 /* Send the ramrod */
1549                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1550                                              &filter, QED_SPQ_MODE_CB, NULL);
1551                 if (rc) {
1552                         DP_NOTICE(p_hwfn,
1553                                   "PF failed to configure VLAN for VF\n");
1554                         return rc;
1555                 }
1556
1557                 /* Update the default-vlan & silent vlan stripping */
1558                 memset(&vport_update, 0, sizeof(vport_update));
1559                 vport_update.opaque_fid = p_vf->opaque_fid;
1560                 vport_update.vport_id = p_vf->vport_id;
1561                 vport_update.update_default_vlan_enable_flg = 1;
1562                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1563                 vport_update.update_default_vlan_flg = 1;
1564                 vport_update.default_vlan = filter.vlan;
1565
1566                 vport_update.update_inner_vlan_removal_flg = 1;
1567                 removal = filter.vlan ? 1
1568                                       : p_vf->shadow_config.inner_vlan_removal;
1569                 vport_update.inner_vlan_removal_flg = removal;
1570                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1571                 rc = qed_sp_vport_update(p_hwfn,
1572                                          &vport_update,
1573                                          QED_SPQ_MODE_EBLOCK, NULL);
1574                 if (rc) {
1575                         DP_NOTICE(p_hwfn,
1576                                   "PF failed to configure VF vport for vlan\n");
1577                         return rc;
1578                 }
1579
1580                 /* Update all the Rx queues */
1581                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1582                         u16 qid;
1583
1584                         if (!p_vf->vf_queues[i].rxq_active)
1585                                 continue;
1586
1587                         qid = p_vf->vf_queues[i].fw_rx_qid;
1588
1589                         rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1590                                                          1, 0, 1,
1591                                                          QED_SPQ_MODE_EBLOCK,
1592                                                          NULL);
1593                         if (rc) {
1594                                 DP_NOTICE(p_hwfn,
1595                                           "Failed to send Rx update fo queue[0x%04x]\n",
1596                                           qid);
1597                                 return rc;
1598                         }
1599                 }
1600
1601                 if (filter.vlan)
1602                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1603                 else
1604                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1605         }
1606
1607         /* If forced features are terminated, we need to configure the shadow
1608          * configuration back again.
1609          */
1610         if (events)
1611                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1612
1613         return rc;
1614 }
1615
1616 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1617                                        struct qed_ptt *p_ptt,
1618                                        struct qed_vf_info *vf)
1619 {
1620         struct qed_sp_vport_start_params params = { 0 };
1621         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1622         struct vfpf_vport_start_tlv *start;
1623         u8 status = PFVF_STATUS_SUCCESS;
1624         struct qed_vf_info *vf_info;
1625         u64 *p_bitmap;
1626         int sb_id;
1627         int rc;
1628
1629         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1630         if (!vf_info) {
1631                 DP_NOTICE(p_hwfn->cdev,
1632                           "Failed to get VF info, invalid vfid [%d]\n",
1633                           vf->relative_vf_id);
1634                 return;
1635         }
1636
1637         vf->state = VF_ENABLED;
1638         start = &mbx->req_virt->start_vport;
1639
1640         /* Initialize Status block in CAU */
1641         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1642                 if (!start->sb_addr[sb_id]) {
1643                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1644                                    "VF[%d] did not fill the address of SB %d\n",
1645                                    vf->relative_vf_id, sb_id);
1646                         break;
1647                 }
1648
1649                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1650                                     start->sb_addr[sb_id],
1651                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1652         }
1653         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1654
1655         vf->mtu = start->mtu;
1656         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1657
1658         /* Take into consideration configuration forced by hypervisor;
1659          * If none is configured, use the supplied VF values [for old
1660          * vfs that would still be fine, since they passed '0' as padding].
1661          */
1662         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1663         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1664                 u8 vf_req = start->only_untagged;
1665
1666                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1667                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1668         }
1669
1670         params.tpa_mode = start->tpa_mode;
1671         params.remove_inner_vlan = start->inner_vlan_removal;
1672         params.tx_switching = true;
1673
1674         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1675         params.drop_ttl0 = false;
1676         params.concrete_fid = vf->concrete_fid;
1677         params.opaque_fid = vf->opaque_fid;
1678         params.vport_id = vf->vport_id;
1679         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1680         params.mtu = vf->mtu;
1681         params.check_mac = true;
1682
1683         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1684         if (rc) {
1685                 DP_ERR(p_hwfn,
1686                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1687                 status = PFVF_STATUS_FAILURE;
1688         } else {
1689                 vf->vport_instance++;
1690
1691                 /* Force configuration if needed on the newly opened vport */
1692                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1693
1694                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1695         }
1696         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1697                              sizeof(struct pfvf_def_resp_tlv), status);
1698 }
1699
1700 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1701                                       struct qed_ptt *p_ptt,
1702                                       struct qed_vf_info *vf)
1703 {
1704         u8 status = PFVF_STATUS_SUCCESS;
1705         int rc;
1706
1707         vf->vport_instance--;
1708         vf->spoof_chk = false;
1709
1710         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1711         if (rc) {
1712                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1713                        rc);
1714                 status = PFVF_STATUS_FAILURE;
1715         }
1716
1717         /* Forget the configuration on the vport */
1718         vf->configured_features = 0;
1719         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1720
1721         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1722                              sizeof(struct pfvf_def_resp_tlv), status);
1723 }
1724
1725 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1726                                           struct qed_ptt *p_ptt,
1727                                           struct qed_vf_info *vf,
1728                                           u8 status, bool b_legacy)
1729 {
1730         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1731         struct pfvf_start_queue_resp_tlv *p_tlv;
1732         struct vfpf_start_rxq_tlv *req;
1733         u16 length;
1734
1735         mbx->offset = (u8 *)mbx->reply_virt;
1736
1737         /* Taking a bigger struct instead of adding a TLV to list was a
1738          * mistake, but one which we're now stuck with, as some older
1739          * clients assume the size of the previous response.
1740          */
1741         if (!b_legacy)
1742                 length = sizeof(*p_tlv);
1743         else
1744                 length = sizeof(struct pfvf_def_resp_tlv);
1745
1746         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
1747                             length);
1748         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1749                     sizeof(struct channel_list_end_tlv));
1750
1751         /* Update the TLV with the response */
1752         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
1753                 req = &mbx->req_virt->start_rxq;
1754                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
1755                                 offsetof(struct mstorm_vf_zone,
1756                                          non_trigger.eth_rx_queue_producers) +
1757                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
1758         }
1759
1760         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
1761 }
1762
1763 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1764                                      struct qed_ptt *p_ptt,
1765                                      struct qed_vf_info *vf)
1766 {
1767         struct qed_queue_start_common_params params;
1768         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1769         u8 status = PFVF_STATUS_NO_RESOURCE;
1770         struct vfpf_start_rxq_tlv *req;
1771         bool b_legacy_vf = false;
1772         int rc;
1773
1774         memset(&params, 0, sizeof(params));
1775         req = &mbx->req_virt->start_rxq;
1776
1777         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid) ||
1778             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1779                 goto out;
1780
1781         params.queue_id =  vf->vf_queues[req->rx_qid].fw_rx_qid;
1782         params.vf_qid = req->rx_qid;
1783         params.vport_id = vf->vport_id;
1784         params.sb = req->hw_sb;
1785         params.sb_idx = req->sb_index;
1786
1787         /* Legacy VFs have their Producers in a different location, which they
1788          * calculate on their own and clean the producer prior to this.
1789          */
1790         if (vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1791             ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1792                 b_legacy_vf = true;
1793         } else {
1794                 REG_WR(p_hwfn,
1795                        GTT_BAR0_MAP_REG_MSDM_RAM +
1796                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
1797                        0);
1798         }
1799
1800         rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1801                                          vf->vf_queues[req->rx_qid].fw_cid,
1802                                          &params,
1803                                          vf->abs_vf_id + 0x10,
1804                                          req->bd_max_bytes,
1805                                          req->rxq_addr,
1806                                          req->cqe_pbl_addr, req->cqe_pbl_size,
1807                                          b_legacy_vf);
1808
1809         if (rc) {
1810                 status = PFVF_STATUS_FAILURE;
1811         } else {
1812                 status = PFVF_STATUS_SUCCESS;
1813                 vf->vf_queues[req->rx_qid].rxq_active = true;
1814                 vf->num_active_rxqs++;
1815         }
1816
1817 out:
1818         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, b_legacy_vf);
1819 }
1820
1821 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
1822                                           struct qed_ptt *p_ptt,
1823                                           struct qed_vf_info *p_vf, u8 status)
1824 {
1825         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1826         struct pfvf_start_queue_resp_tlv *p_tlv;
1827         bool b_legacy = false;
1828         u16 length;
1829
1830         mbx->offset = (u8 *)mbx->reply_virt;
1831
1832         /* Taking a bigger struct instead of adding a TLV to list was a
1833          * mistake, but one which we're now stuck with, as some older
1834          * clients assume the size of the previous response.
1835          */
1836         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1837             ETH_HSI_VER_NO_PKT_LEN_TUNN)
1838                 b_legacy = true;
1839
1840         if (!b_legacy)
1841                 length = sizeof(*p_tlv);
1842         else
1843                 length = sizeof(struct pfvf_def_resp_tlv);
1844
1845         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
1846                             length);
1847         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1848                     sizeof(struct channel_list_end_tlv));
1849
1850         /* Update the TLV with the response */
1851         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
1852                 u16 qid = mbx->req_virt->start_txq.tx_qid;
1853
1854                 p_tlv->offset = qed_db_addr_vf(p_vf->vf_queues[qid].fw_cid,
1855                                                DQ_DEMS_LEGACY);
1856         }
1857
1858         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
1859 }
1860
1861 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1862                                      struct qed_ptt *p_ptt,
1863                                      struct qed_vf_info *vf)
1864 {
1865         struct qed_queue_start_common_params params;
1866         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1867         u8 status = PFVF_STATUS_NO_RESOURCE;
1868         union qed_qm_pq_params pq_params;
1869         struct vfpf_start_txq_tlv *req;
1870         int rc;
1871
1872         /* Prepare the parameters which would choose the right PQ */
1873         memset(&pq_params, 0, sizeof(pq_params));
1874         pq_params.eth.is_vf = 1;
1875         pq_params.eth.vf_id = vf->relative_vf_id;
1876
1877         memset(&params, 0, sizeof(params));
1878         req = &mbx->req_virt->start_txq;
1879
1880         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid) ||
1881             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1882                 goto out;
1883
1884         params.queue_id =  vf->vf_queues[req->tx_qid].fw_tx_qid;
1885         params.vport_id = vf->vport_id;
1886         params.sb = req->hw_sb;
1887         params.sb_idx = req->sb_index;
1888
1889         rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1890                                          vf->opaque_fid,
1891                                          vf->vf_queues[req->tx_qid].fw_cid,
1892                                          &params,
1893                                          vf->abs_vf_id + 0x10,
1894                                          req->pbl_addr,
1895                                          req->pbl_size, &pq_params);
1896
1897         if (rc) {
1898                 status = PFVF_STATUS_FAILURE;
1899         } else {
1900                 status = PFVF_STATUS_SUCCESS;
1901                 vf->vf_queues[req->tx_qid].txq_active = true;
1902         }
1903
1904 out:
1905         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
1906 }
1907
1908 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1909                                 struct qed_vf_info *vf,
1910                                 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1911 {
1912         int rc = 0;
1913         int qid;
1914
1915         if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1916                 return -EINVAL;
1917
1918         for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1919                 if (vf->vf_queues[qid].rxq_active) {
1920                         rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1921                                                       vf->vf_queues[qid].
1922                                                       fw_rx_qid, false,
1923                                                       cqe_completion);
1924
1925                         if (rc)
1926                                 return rc;
1927                 }
1928                 vf->vf_queues[qid].rxq_active = false;
1929                 vf->num_active_rxqs--;
1930         }
1931
1932         return rc;
1933 }
1934
1935 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1936                                 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1937 {
1938         int rc = 0;
1939         int qid;
1940
1941         if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1942                 return -EINVAL;
1943
1944         for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1945                 if (vf->vf_queues[qid].txq_active) {
1946                         rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1947                                                       vf->vf_queues[qid].
1948                                                       fw_tx_qid);
1949
1950                         if (rc)
1951                                 return rc;
1952                 }
1953                 vf->vf_queues[qid].txq_active = false;
1954         }
1955         return rc;
1956 }
1957
1958 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1959                                      struct qed_ptt *p_ptt,
1960                                      struct qed_vf_info *vf)
1961 {
1962         u16 length = sizeof(struct pfvf_def_resp_tlv);
1963         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1964         u8 status = PFVF_STATUS_SUCCESS;
1965         struct vfpf_stop_rxqs_tlv *req;
1966         int rc;
1967
1968         /* We give the option of starting from qid != 0, in this case we
1969          * need to make sure that qid + num_qs doesn't exceed the actual
1970          * amount of queues that exist.
1971          */
1972         req = &mbx->req_virt->stop_rxqs;
1973         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1974                                   req->num_rxqs, req->cqe_completion);
1975         if (rc)
1976                 status = PFVF_STATUS_FAILURE;
1977
1978         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1979                              length, status);
1980 }
1981
1982 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1983                                      struct qed_ptt *p_ptt,
1984                                      struct qed_vf_info *vf)
1985 {
1986         u16 length = sizeof(struct pfvf_def_resp_tlv);
1987         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1988         u8 status = PFVF_STATUS_SUCCESS;
1989         struct vfpf_stop_txqs_tlv *req;
1990         int rc;
1991
1992         /* We give the option of starting from qid != 0, in this case we
1993          * need to make sure that qid + num_qs doesn't exceed the actual
1994          * amount of queues that exist.
1995          */
1996         req = &mbx->req_virt->stop_txqs;
1997         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1998         if (rc)
1999                 status = PFVF_STATUS_FAILURE;
2000
2001         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2002                              length, status);
2003 }
2004
2005 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2006                                        struct qed_ptt *p_ptt,
2007                                        struct qed_vf_info *vf)
2008 {
2009         u16 length = sizeof(struct pfvf_def_resp_tlv);
2010         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2011         struct vfpf_update_rxq_tlv *req;
2012         u8 status = PFVF_STATUS_SUCCESS;
2013         u8 complete_event_flg;
2014         u8 complete_cqe_flg;
2015         u16 qid;
2016         int rc;
2017         u8 i;
2018
2019         req = &mbx->req_virt->update_rxq;
2020         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2021         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2022
2023         for (i = 0; i < req->num_rxqs; i++) {
2024                 qid = req->rx_qid + i;
2025
2026                 if (!vf->vf_queues[qid].rxq_active) {
2027                         DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
2028                                   qid);
2029                         status = PFVF_STATUS_FAILURE;
2030                         break;
2031                 }
2032
2033                 rc = qed_sp_eth_rx_queues_update(p_hwfn,
2034                                                  vf->vf_queues[qid].fw_rx_qid,
2035                                                  1,
2036                                                  complete_cqe_flg,
2037                                                  complete_event_flg,
2038                                                  QED_SPQ_MODE_EBLOCK, NULL);
2039
2040                 if (rc) {
2041                         status = PFVF_STATUS_FAILURE;
2042                         break;
2043                 }
2044         }
2045
2046         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2047                              length, status);
2048 }
2049
2050 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2051                                void *p_tlvs_list, u16 req_type)
2052 {
2053         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2054         int len = 0;
2055
2056         do {
2057                 if (!p_tlv->length) {
2058                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2059                         return NULL;
2060                 }
2061
2062                 if (p_tlv->type == req_type) {
2063                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2064                                    "Extended tlv type %d, length %d found\n",
2065                                    p_tlv->type, p_tlv->length);
2066                         return p_tlv;
2067                 }
2068
2069                 len += p_tlv->length;
2070                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2071
2072                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2073                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2074                         return NULL;
2075                 }
2076         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2077
2078         return NULL;
2079 }
2080
2081 static void
2082 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2083                             struct qed_sp_vport_update_params *p_data,
2084                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2085 {
2086         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2087         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2088
2089         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2090                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2091         if (!p_act_tlv)
2092                 return;
2093
2094         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2095         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2096         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2097         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2098         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2099 }
2100
2101 static void
2102 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2103                              struct qed_sp_vport_update_params *p_data,
2104                              struct qed_vf_info *p_vf,
2105                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2106 {
2107         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2108         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2109
2110         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2111                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2112         if (!p_vlan_tlv)
2113                 return;
2114
2115         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2116
2117         /* Ignore the VF request if we're forcing a vlan */
2118         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2119                 p_data->update_inner_vlan_removal_flg = 1;
2120                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2121         }
2122
2123         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2124 }
2125
2126 static void
2127 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2128                             struct qed_sp_vport_update_params *p_data,
2129                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2130 {
2131         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2132         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2133
2134         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2135                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2136                                                    tlv);
2137         if (!p_tx_switch_tlv)
2138                 return;
2139
2140         p_data->update_tx_switching_flg = 1;
2141         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2142         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2143 }
2144
2145 static void
2146 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2147                                   struct qed_sp_vport_update_params *p_data,
2148                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2149 {
2150         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2151         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2152
2153         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2154             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2155         if (!p_mcast_tlv)
2156                 return;
2157
2158         p_data->update_approx_mcast_flg = 1;
2159         memcpy(p_data->bins, p_mcast_tlv->bins,
2160                sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2161         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2162 }
2163
2164 static void
2165 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2166                               struct qed_sp_vport_update_params *p_data,
2167                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2168 {
2169         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2170         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2171         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2172
2173         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2174             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2175         if (!p_accept_tlv)
2176                 return;
2177
2178         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2179         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2180         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2181         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2182         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2183 }
2184
2185 static void
2186 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2187                                   struct qed_sp_vport_update_params *p_data,
2188                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2189 {
2190         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2191         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2192
2193         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2194                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2195                                                      tlv);
2196         if (!p_accept_any_vlan)
2197                 return;
2198
2199         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2200         p_data->update_accept_any_vlan_flg =
2201                     p_accept_any_vlan->update_accept_any_vlan_flg;
2202         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2203 }
2204
2205 static void
2206 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2207                             struct qed_vf_info *vf,
2208                             struct qed_sp_vport_update_params *p_data,
2209                             struct qed_rss_params *p_rss,
2210                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2211 {
2212         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2213         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2214         u16 i, q_idx, max_q_idx;
2215         u16 table_size;
2216
2217         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2218                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2219         if (!p_rss_tlv) {
2220                 p_data->rss_params = NULL;
2221                 return;
2222         }
2223
2224         memset(p_rss, 0, sizeof(struct qed_rss_params));
2225
2226         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2227                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2228         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2229                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2230         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2231                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2232         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2233                                    VFPF_UPDATE_RSS_KEY_FLAG);
2234
2235         p_rss->rss_enable = p_rss_tlv->rss_enable;
2236         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2237         p_rss->rss_caps = p_rss_tlv->rss_caps;
2238         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2239         memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2240                sizeof(p_rss->rss_ind_table));
2241         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2242
2243         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2244                            (1 << p_rss_tlv->rss_table_size_log));
2245
2246         max_q_idx = ARRAY_SIZE(vf->vf_queues);
2247
2248         for (i = 0; i < table_size; i++) {
2249                 u16 index = vf->vf_queues[0].fw_rx_qid;
2250
2251                 q_idx = p_rss->rss_ind_table[i];
2252                 if (q_idx >= max_q_idx)
2253                         DP_NOTICE(p_hwfn,
2254                                   "rss_ind_table[%d] = %d, rxq is out of range\n",
2255                                   i, q_idx);
2256                 else if (!vf->vf_queues[q_idx].rxq_active)
2257                         DP_NOTICE(p_hwfn,
2258                                   "rss_ind_table[%d] = %d, rxq is not active\n",
2259                                   i, q_idx);
2260                 else
2261                         index = vf->vf_queues[q_idx].fw_rx_qid;
2262                 p_rss->rss_ind_table[i] = index;
2263         }
2264
2265         p_data->rss_params = p_rss;
2266         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2267 }
2268
2269 static void
2270 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2271                                 struct qed_vf_info *vf,
2272                                 struct qed_sp_vport_update_params *p_data,
2273                                 struct qed_sge_tpa_params *p_sge_tpa,
2274                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2275 {
2276         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2277         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2278
2279         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2280             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2281
2282         if (!p_sge_tpa_tlv) {
2283                 p_data->sge_tpa_params = NULL;
2284                 return;
2285         }
2286
2287         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2288
2289         p_sge_tpa->update_tpa_en_flg =
2290             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2291         p_sge_tpa->update_tpa_param_flg =
2292             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2293                 VFPF_UPDATE_TPA_PARAM_FLAG);
2294
2295         p_sge_tpa->tpa_ipv4_en_flg =
2296             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2297         p_sge_tpa->tpa_ipv6_en_flg =
2298             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2299         p_sge_tpa->tpa_pkt_split_flg =
2300             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2301         p_sge_tpa->tpa_hdr_data_split_flg =
2302             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2303         p_sge_tpa->tpa_gro_consistent_flg =
2304             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2305
2306         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2307         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2308         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2309         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2310         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2311
2312         p_data->sge_tpa_params = p_sge_tpa;
2313
2314         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2315 }
2316
2317 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2318                                         struct qed_ptt *p_ptt,
2319                                         struct qed_vf_info *vf)
2320 {
2321         struct qed_sp_vport_update_params params;
2322         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2323         struct qed_sge_tpa_params sge_tpa_params;
2324         struct qed_rss_params rss_params;
2325         u8 status = PFVF_STATUS_SUCCESS;
2326         u16 tlvs_mask = 0;
2327         u16 length;
2328         int rc;
2329
2330         /* Valiate PF can send such a request */
2331         if (!vf->vport_instance) {
2332                 DP_VERBOSE(p_hwfn,
2333                            QED_MSG_IOV,
2334                            "No VPORT instance available for VF[%d], failing vport update\n",
2335                            vf->abs_vf_id);
2336                 status = PFVF_STATUS_FAILURE;
2337                 goto out;
2338         }
2339
2340         memset(&params, 0, sizeof(params));
2341         params.opaque_fid = vf->opaque_fid;
2342         params.vport_id = vf->vport_id;
2343         params.rss_params = NULL;
2344
2345         /* Search for extended tlvs list and update values
2346          * from VF in struct qed_sp_vport_update_params.
2347          */
2348         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
2349         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2350         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
2351         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2352         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2353         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2354                                     mbx, &tlvs_mask);
2355         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2356         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2357                                         &sge_tpa_params, mbx, &tlvs_mask);
2358
2359         /* Just log a message if there is no single extended tlv in buffer.
2360          * When all features of vport update ramrod would be requested by VF
2361          * as extended TLVs in buffer then an error can be returned in response
2362          * if there is no extended TLV present in buffer.
2363          */
2364         if (!tlvs_mask) {
2365                 DP_NOTICE(p_hwfn,
2366                           "No feature tlvs found for vport update\n");
2367                 status = PFVF_STATUS_NOT_SUPPORTED;
2368                 goto out;
2369         }
2370
2371         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2372
2373         if (rc)
2374                 status = PFVF_STATUS_FAILURE;
2375
2376 out:
2377         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2378                                                   tlvs_mask, tlvs_mask);
2379         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2380 }
2381
2382 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
2383                                          struct qed_vf_info *p_vf,
2384                                          struct qed_filter_ucast *p_params)
2385 {
2386         int i;
2387
2388         /* First remove entries and then add new ones */
2389         if (p_params->opcode == QED_FILTER_REMOVE) {
2390                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2391                         if (p_vf->shadow_config.vlans[i].used &&
2392                             p_vf->shadow_config.vlans[i].vid ==
2393                             p_params->vlan) {
2394                                 p_vf->shadow_config.vlans[i].used = false;
2395                                 break;
2396                         }
2397                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2398                         DP_VERBOSE(p_hwfn,
2399                                    QED_MSG_IOV,
2400                                    "VF [%d] - Tries to remove a non-existing vlan\n",
2401                                    p_vf->relative_vf_id);
2402                         return -EINVAL;
2403                 }
2404         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2405                    p_params->opcode == QED_FILTER_FLUSH) {
2406                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2407                         p_vf->shadow_config.vlans[i].used = false;
2408         }
2409
2410         /* In forced mode, we're willing to remove entries - but we don't add
2411          * new ones.
2412          */
2413         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
2414                 return 0;
2415
2416         if (p_params->opcode == QED_FILTER_ADD ||
2417             p_params->opcode == QED_FILTER_REPLACE) {
2418                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2419                         if (p_vf->shadow_config.vlans[i].used)
2420                                 continue;
2421
2422                         p_vf->shadow_config.vlans[i].used = true;
2423                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2424                         break;
2425                 }
2426
2427                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2428                         DP_VERBOSE(p_hwfn,
2429                                    QED_MSG_IOV,
2430                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
2431                                    p_vf->relative_vf_id,
2432                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2433                         return -EINVAL;
2434                 }
2435         }
2436
2437         return 0;
2438 }
2439
2440 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
2441                                         struct qed_vf_info *p_vf,
2442                                         struct qed_filter_ucast *p_params)
2443 {
2444         int i;
2445
2446         /* If we're in forced-mode, we don't allow any change */
2447         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
2448                 return 0;
2449
2450         /* First remove entries and then add new ones */
2451         if (p_params->opcode == QED_FILTER_REMOVE) {
2452                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2453                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
2454                                              p_params->mac)) {
2455                                 memset(p_vf->shadow_config.macs[i], 0,
2456                                        ETH_ALEN);
2457                                 break;
2458                         }
2459                 }
2460
2461                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2462                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2463                                    "MAC isn't configured\n");
2464                         return -EINVAL;
2465                 }
2466         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2467                    p_params->opcode == QED_FILTER_FLUSH) {
2468                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
2469                         memset(p_vf->shadow_config.macs[i], 0, ETH_ALEN);
2470         }
2471
2472         /* List the new MAC address */
2473         if (p_params->opcode != QED_FILTER_ADD &&
2474             p_params->opcode != QED_FILTER_REPLACE)
2475                 return 0;
2476
2477         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2478                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
2479                         ether_addr_copy(p_vf->shadow_config.macs[i],
2480                                         p_params->mac);
2481                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2482                                    "Added MAC at %d entry in shadow\n", i);
2483                         break;
2484                 }
2485         }
2486
2487         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2488                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
2489                 return -EINVAL;
2490         }
2491
2492         return 0;
2493 }
2494
2495 static int
2496 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2497                                  struct qed_vf_info *p_vf,
2498                                  struct qed_filter_ucast *p_params)
2499 {
2500         int rc = 0;
2501
2502         if (p_params->type == QED_FILTER_MAC) {
2503                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
2504                 if (rc)
2505                         return rc;
2506         }
2507
2508         if (p_params->type == QED_FILTER_VLAN)
2509                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
2510
2511         return rc;
2512 }
2513
2514 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2515                              int vfid, struct qed_filter_ucast *params)
2516 {
2517         struct qed_public_vf_info *vf;
2518
2519         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2520         if (!vf)
2521                 return -EINVAL;
2522
2523         /* No real decision to make; Store the configured MAC */
2524         if (params->type == QED_FILTER_MAC ||
2525             params->type == QED_FILTER_MAC_VLAN)
2526                 ether_addr_copy(vf->mac, params->mac);
2527
2528         return 0;
2529 }
2530
2531 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2532                                         struct qed_ptt *p_ptt,
2533                                         struct qed_vf_info *vf)
2534 {
2535         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
2536         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2537         struct vfpf_ucast_filter_tlv *req;
2538         u8 status = PFVF_STATUS_SUCCESS;
2539         struct qed_filter_ucast params;
2540         int rc;
2541
2542         /* Prepare the unicast filter params */
2543         memset(&params, 0, sizeof(struct qed_filter_ucast));
2544         req = &mbx->req_virt->ucast_filter;
2545         params.opcode = (enum qed_filter_opcode)req->opcode;
2546         params.type = (enum qed_filter_ucast_type)req->type;
2547
2548         params.is_rx_filter = 1;
2549         params.is_tx_filter = 1;
2550         params.vport_to_remove_from = vf->vport_id;
2551         params.vport_to_add_to = vf->vport_id;
2552         memcpy(params.mac, req->mac, ETH_ALEN);
2553         params.vlan = req->vlan;
2554
2555         DP_VERBOSE(p_hwfn,
2556                    QED_MSG_IOV,
2557                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2558                    vf->abs_vf_id, params.opcode, params.type,
2559                    params.is_rx_filter ? "RX" : "",
2560                    params.is_tx_filter ? "TX" : "",
2561                    params.vport_to_add_to,
2562                    params.mac[0], params.mac[1],
2563                    params.mac[2], params.mac[3],
2564                    params.mac[4], params.mac[5], params.vlan);
2565
2566         if (!vf->vport_instance) {
2567                 DP_VERBOSE(p_hwfn,
2568                            QED_MSG_IOV,
2569                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2570                            vf->abs_vf_id);
2571                 status = PFVF_STATUS_FAILURE;
2572                 goto out;
2573         }
2574
2575         /* Update shadow copy of the VF configuration */
2576         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2577                 status = PFVF_STATUS_FAILURE;
2578                 goto out;
2579         }
2580
2581         /* Determine if the unicast filtering is acceptible by PF */
2582         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
2583             (params.type == QED_FILTER_VLAN ||
2584              params.type == QED_FILTER_MAC_VLAN)) {
2585                 /* Once VLAN is forced or PVID is set, do not allow
2586                  * to add/replace any further VLANs.
2587                  */
2588                 if (params.opcode == QED_FILTER_ADD ||
2589                     params.opcode == QED_FILTER_REPLACE)
2590                         status = PFVF_STATUS_FORCED;
2591                 goto out;
2592         }
2593
2594         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
2595             (params.type == QED_FILTER_MAC ||
2596              params.type == QED_FILTER_MAC_VLAN)) {
2597                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2598                     (params.opcode != QED_FILTER_ADD &&
2599                      params.opcode != QED_FILTER_REPLACE))
2600                         status = PFVF_STATUS_FORCED;
2601                 goto out;
2602         }
2603
2604         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2605         if (rc) {
2606                 status = PFVF_STATUS_FAILURE;
2607                 goto out;
2608         }
2609
2610         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2611                                      QED_SPQ_MODE_CB, NULL);
2612         if (rc)
2613                 status = PFVF_STATUS_FAILURE;
2614
2615 out:
2616         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2617                              sizeof(struct pfvf_def_resp_tlv), status);
2618 }
2619
2620 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2621                                        struct qed_ptt *p_ptt,
2622                                        struct qed_vf_info *vf)
2623 {
2624         int i;
2625
2626         /* Reset the SBs */
2627         for (i = 0; i < vf->num_sbs; i++)
2628                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2629                                                 vf->igu_sbs[i],
2630                                                 vf->opaque_fid, false);
2631
2632         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2633                              sizeof(struct pfvf_def_resp_tlv),
2634                              PFVF_STATUS_SUCCESS);
2635 }
2636
2637 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2638                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2639 {
2640         u16 length = sizeof(struct pfvf_def_resp_tlv);
2641         u8 status = PFVF_STATUS_SUCCESS;
2642
2643         /* Disable Interrupts for VF */
2644         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2645
2646         /* Reset Permission table */
2647         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2648
2649         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2650                              length, status);
2651 }
2652
2653 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2654                                    struct qed_ptt *p_ptt,
2655                                    struct qed_vf_info *p_vf)
2656 {
2657         u16 length = sizeof(struct pfvf_def_resp_tlv);
2658         u8 status = PFVF_STATUS_SUCCESS;
2659         int rc = 0;
2660
2661         qed_iov_vf_cleanup(p_hwfn, p_vf);
2662
2663         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
2664                 /* Stopping the VF */
2665                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
2666                                     p_vf->opaque_fid);
2667
2668                 if (rc) {
2669                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
2670                                rc);
2671                         status = PFVF_STATUS_FAILURE;
2672                 }
2673
2674                 p_vf->state = VF_STOPPED;
2675         }
2676
2677         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
2678                              length, status);
2679 }
2680
2681 static int
2682 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2683                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2684 {
2685         int cnt;
2686         u32 val;
2687
2688         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2689
2690         for (cnt = 0; cnt < 50; cnt++) {
2691                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2692                 if (!val)
2693                         break;
2694                 msleep(20);
2695         }
2696         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2697
2698         if (cnt == 50) {
2699                 DP_ERR(p_hwfn,
2700                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2701                        p_vf->abs_vf_id, val);
2702                 return -EBUSY;
2703         }
2704
2705         return 0;
2706 }
2707
2708 static int
2709 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2710                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2711 {
2712         u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2713         int i, cnt;
2714
2715         /* Read initial consumers & producers */
2716         for (i = 0; i < MAX_NUM_VOQS; i++) {
2717                 u32 prod;
2718
2719                 cons[i] = qed_rd(p_hwfn, p_ptt,
2720                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2721                                  i * 0x40);
2722                 prod = qed_rd(p_hwfn, p_ptt,
2723                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2724                               i * 0x40);
2725                 distance[i] = prod - cons[i];
2726         }
2727
2728         /* Wait for consumers to pass the producers */
2729         i = 0;
2730         for (cnt = 0; cnt < 50; cnt++) {
2731                 for (; i < MAX_NUM_VOQS; i++) {
2732                         u32 tmp;
2733
2734                         tmp = qed_rd(p_hwfn, p_ptt,
2735                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2736                                      i * 0x40);
2737                         if (distance[i] > tmp - cons[i])
2738                                 break;
2739                 }
2740
2741                 if (i == MAX_NUM_VOQS)
2742                         break;
2743
2744                 msleep(20);
2745         }
2746
2747         if (cnt == 50) {
2748                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2749                        p_vf->abs_vf_id, i);
2750                 return -EBUSY;
2751         }
2752
2753         return 0;
2754 }
2755
2756 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2757                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2758 {
2759         int rc;
2760
2761         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2762         if (rc)
2763                 return rc;
2764
2765         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2766         if (rc)
2767                 return rc;
2768
2769         return 0;
2770 }
2771
2772 static int
2773 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2774                                struct qed_ptt *p_ptt,
2775                                u16 rel_vf_id, u32 *ack_vfs)
2776 {
2777         struct qed_vf_info *p_vf;
2778         int rc = 0;
2779
2780         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2781         if (!p_vf)
2782                 return 0;
2783
2784         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2785             (1ULL << (rel_vf_id % 64))) {
2786                 u16 vfid = p_vf->abs_vf_id;
2787
2788                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2789                            "VF[%d] - Handling FLR\n", vfid);
2790
2791                 qed_iov_vf_cleanup(p_hwfn, p_vf);
2792
2793                 /* If VF isn't active, no need for anything but SW */
2794                 if (!p_vf->b_init)
2795                         goto cleanup;
2796
2797                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2798                 if (rc)
2799                         goto cleanup;
2800
2801                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2802                 if (rc) {
2803                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2804                         return rc;
2805                 }
2806
2807                 /* VF_STOPPED has to be set only after final cleanup
2808                  * but prior to re-enabling the VF.
2809                  */
2810                 p_vf->state = VF_STOPPED;
2811
2812                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2813                 if (rc) {
2814                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2815                                vfid);
2816                         return rc;
2817                 }
2818 cleanup:
2819                 /* Mark VF for ack and clean pending state */
2820                 if (p_vf->state == VF_RESET)
2821                         p_vf->state = VF_STOPPED;
2822                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
2823                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2824                     ~(1ULL << (rel_vf_id % 64));
2825                 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2826                     ~(1ULL << (rel_vf_id % 64));
2827         }
2828
2829         return rc;
2830 }
2831
2832 static int
2833 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2834 {
2835         u32 ack_vfs[VF_MAX_STATIC / 32];
2836         int rc = 0;
2837         u16 i;
2838
2839         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2840
2841         /* Since BRB <-> PRS interface can't be tested as part of the flr
2842          * polling due to HW limitations, simply sleep a bit. And since
2843          * there's no need to wait per-vf, do it before looping.
2844          */
2845         msleep(100);
2846
2847         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2848                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2849
2850         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2851         return rc;
2852 }
2853
2854 int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2855 {
2856         u16 i, found = 0;
2857
2858         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2859         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2860                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2861                            "[%08x,...,%08x]: %08x\n",
2862                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2863
2864         if (!p_hwfn->cdev->p_iov_info) {
2865                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2866                 return 0;
2867         }
2868
2869         /* Mark VFs */
2870         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2871                 struct qed_vf_info *p_vf;
2872                 u8 vfid;
2873
2874                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2875                 if (!p_vf)
2876                         continue;
2877
2878                 vfid = p_vf->abs_vf_id;
2879                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
2880                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2881                         u16 rel_vf_id = p_vf->relative_vf_id;
2882
2883                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2884                                    "VF[%d] [rel %d] got FLR-ed\n",
2885                                    vfid, rel_vf_id);
2886
2887                         p_vf->state = VF_RESET;
2888
2889                         /* No need to lock here, since pending_flr should
2890                          * only change here and before ACKing MFw. Since
2891                          * MFW will not trigger an additional attention for
2892                          * VF flr until ACKs, we're safe.
2893                          */
2894                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2895                         found = 1;
2896                 }
2897         }
2898
2899         return found;
2900 }
2901
2902 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2903                              u16 vfid,
2904                              struct qed_mcp_link_params *p_params,
2905                              struct qed_mcp_link_state *p_link,
2906                              struct qed_mcp_link_capabilities *p_caps)
2907 {
2908         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2909                                                        vfid,
2910                                                        false);
2911         struct qed_bulletin_content *p_bulletin;
2912
2913         if (!p_vf)
2914                 return;
2915
2916         p_bulletin = p_vf->bulletin.p_virt;
2917
2918         if (p_params)
2919                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2920         if (p_link)
2921                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2922         if (p_caps)
2923                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2924 }
2925
2926 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2927                                     struct qed_ptt *p_ptt, int vfid)
2928 {
2929         struct qed_iov_vf_mbx *mbx;
2930         struct qed_vf_info *p_vf;
2931
2932         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2933         if (!p_vf)
2934                 return;
2935
2936         mbx = &p_vf->vf_mbx;
2937
2938         /* qed_iov_process_mbx_request */
2939         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2940                    "VF[%02x]: Processing mailbox message\n", p_vf->abs_vf_id);
2941
2942         mbx->first_tlv = mbx->req_virt->first_tlv;
2943
2944         /* check if tlv type is known */
2945         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
2946                 switch (mbx->first_tlv.tl.type) {
2947                 case CHANNEL_TLV_ACQUIRE:
2948                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2949                         break;
2950                 case CHANNEL_TLV_VPORT_START:
2951                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2952                         break;
2953                 case CHANNEL_TLV_VPORT_TEARDOWN:
2954                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2955                         break;
2956                 case CHANNEL_TLV_START_RXQ:
2957                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2958                         break;
2959                 case CHANNEL_TLV_START_TXQ:
2960                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2961                         break;
2962                 case CHANNEL_TLV_STOP_RXQS:
2963                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2964                         break;
2965                 case CHANNEL_TLV_STOP_TXQS:
2966                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2967                         break;
2968                 case CHANNEL_TLV_UPDATE_RXQ:
2969                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2970                         break;
2971                 case CHANNEL_TLV_VPORT_UPDATE:
2972                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2973                         break;
2974                 case CHANNEL_TLV_UCAST_FILTER:
2975                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2976                         break;
2977                 case CHANNEL_TLV_CLOSE:
2978                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2979                         break;
2980                 case CHANNEL_TLV_INT_CLEANUP:
2981                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2982                         break;
2983                 case CHANNEL_TLV_RELEASE:
2984                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2985                         break;
2986                 }
2987         } else {
2988                 /* unknown TLV - this may belong to a VF driver from the future
2989                  * - a version written after this PF driver was written, which
2990                  * supports features unknown as of yet. Too bad since we don't
2991                  * support them. Or this may be because someone wrote a crappy
2992                  * VF driver and is sending garbage over the channel.
2993                  */
2994                 DP_NOTICE(p_hwfn,
2995                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
2996                           p_vf->abs_vf_id,
2997                           mbx->first_tlv.tl.type,
2998                           mbx->first_tlv.tl.length,
2999                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3000
3001                 /* Try replying in case reply address matches the acquisition's
3002                  * posted address.
3003                  */
3004                 if (p_vf->acquire.first_tlv.reply_address &&
3005                     (mbx->first_tlv.reply_address ==
3006                      p_vf->acquire.first_tlv.reply_address)) {
3007                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3008                                              mbx->first_tlv.tl.type,
3009                                              sizeof(struct pfvf_def_resp_tlv),
3010                                              PFVF_STATUS_NOT_SUPPORTED);
3011                 } else {
3012                         DP_VERBOSE(p_hwfn,
3013                                    QED_MSG_IOV,
3014                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3015                                    p_vf->abs_vf_id);
3016                 }
3017         }
3018 }
3019
3020 static void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
3021 {
3022         u64 add_bit = 1ULL << (vfid % 64);
3023
3024         p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
3025 }
3026
3027 static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
3028                                                     u64 *events)
3029 {
3030         u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
3031
3032         memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3033         memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3034 }
3035
3036 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3037                               u16 abs_vfid, struct regpair *vf_msg)
3038 {
3039         u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3040         struct qed_vf_info *p_vf;
3041
3042         if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
3043                 DP_VERBOSE(p_hwfn,
3044                            QED_MSG_IOV,
3045                            "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
3046                            abs_vfid);
3047                 return 0;
3048         }
3049         p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
3050
3051         /* List the physical address of the request so that handler
3052          * could later on copy the message from it.
3053          */
3054         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3055
3056         /* Mark the event and schedule the workqueue */
3057         qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
3058         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3059
3060         return 0;
3061 }
3062
3063 int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
3064                         u8 opcode, __le16 echo, union event_ring_data *data)
3065 {
3066         switch (opcode) {
3067         case COMMON_EVENT_VF_PF_CHANNEL:
3068                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
3069                                           &data->vf_pf_channel.msg_addr);
3070         default:
3071                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
3072                         opcode);
3073                 return -EINVAL;
3074         }
3075 }
3076
3077 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3078 {
3079         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
3080         u16 i;
3081
3082         if (!p_iov)
3083                 goto out;
3084
3085         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
3086                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
3087                         return i;
3088
3089 out:
3090         return MAX_NUM_VFS;
3091 }
3092
3093 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
3094                                int vfid)
3095 {
3096         struct qed_dmae_params params;
3097         struct qed_vf_info *vf_info;
3098
3099         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3100         if (!vf_info)
3101                 return -EINVAL;
3102
3103         memset(&params, 0, sizeof(struct qed_dmae_params));
3104         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
3105         params.src_vfid = vf_info->abs_vf_id;
3106
3107         if (qed_dmae_host2host(p_hwfn, ptt,
3108                                vf_info->vf_mbx.pending_req,
3109                                vf_info->vf_mbx.req_phys,
3110                                sizeof(union vfpf_tlvs) / 4, &params)) {
3111                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3112                            "Failed to copy message from VF 0x%02x\n", vfid);
3113
3114                 return -EIO;
3115         }
3116
3117         return 0;
3118 }
3119
3120 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
3121                                             u8 *mac, int vfid)
3122 {
3123         struct qed_vf_info *vf_info;
3124         u64 feature;
3125
3126         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3127         if (!vf_info) {
3128                 DP_NOTICE(p_hwfn->cdev,
3129                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3130                 return;
3131         }
3132
3133         feature = 1 << MAC_ADDR_FORCED;
3134         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
3135
3136         vf_info->bulletin.p_virt->valid_bitmap |= feature;
3137         /* Forced MAC will disable MAC_ADDR */
3138         vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
3139
3140         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3141 }
3142
3143 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
3144                                              u16 pvid, int vfid)
3145 {
3146         struct qed_vf_info *vf_info;
3147         u64 feature;
3148
3149         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3150         if (!vf_info) {
3151                 DP_NOTICE(p_hwfn->cdev,
3152                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3153                 return;
3154         }
3155
3156         feature = 1 << VLAN_ADDR_FORCED;
3157         vf_info->bulletin.p_virt->pvid = pvid;
3158         if (pvid)
3159                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3160         else
3161                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
3162
3163         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3164 }
3165
3166 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
3167 {
3168         struct qed_vf_info *p_vf_info;
3169
3170         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3171         if (!p_vf_info)
3172                 return false;
3173
3174         return !!p_vf_info->vport_instance;
3175 }
3176
3177 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
3178 {
3179         struct qed_vf_info *p_vf_info;
3180
3181         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3182         if (!p_vf_info)
3183                 return true;
3184
3185         return p_vf_info->state == VF_STOPPED;
3186 }
3187
3188 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
3189 {
3190         struct qed_vf_info *vf_info;
3191
3192         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3193         if (!vf_info)
3194                 return false;
3195
3196         return vf_info->spoof_chk;
3197 }
3198
3199 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
3200 {
3201         struct qed_vf_info *vf;
3202         int rc = -EINVAL;
3203
3204         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3205                 DP_NOTICE(p_hwfn,
3206                           "SR-IOV sanity check failed, can't set spoofchk\n");
3207                 goto out;
3208         }
3209
3210         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3211         if (!vf)
3212                 goto out;
3213
3214         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
3215                 /* After VF VPORT start PF will configure spoof check */
3216                 vf->req_spoofchk_val = val;
3217                 rc = 0;
3218                 goto out;
3219         }
3220
3221         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
3222
3223 out:
3224         return rc;
3225 }
3226
3227 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
3228                                            u16 rel_vf_id)
3229 {
3230         struct qed_vf_info *p_vf;
3231
3232         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3233         if (!p_vf || !p_vf->bulletin.p_virt)
3234                 return NULL;
3235
3236         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
3237                 return NULL;
3238
3239         return p_vf->bulletin.p_virt->mac;
3240 }
3241
3242 static u16
3243 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3244 {
3245         struct qed_vf_info *p_vf;
3246
3247         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3248         if (!p_vf || !p_vf->bulletin.p_virt)
3249                 return 0;
3250
3251         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
3252                 return 0;
3253
3254         return p_vf->bulletin.p_virt->pvid;
3255 }
3256
3257 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
3258                                      struct qed_ptt *p_ptt, int vfid, int val)
3259 {
3260         struct qed_vf_info *vf;
3261         u8 abs_vp_id = 0;
3262         int rc;
3263
3264         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3265         if (!vf)
3266                 return -EINVAL;
3267
3268         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
3269         if (rc)
3270                 return rc;
3271
3272         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
3273 }
3274
3275 static int
3276 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
3277 {
3278         struct qed_vf_info *vf;
3279         u8 vport_id;
3280         int i;
3281
3282         for_each_hwfn(cdev, i) {
3283                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3284
3285                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3286                         DP_NOTICE(p_hwfn,
3287                                   "SR-IOV sanity check failed, can't set min rate\n");
3288                         return -EINVAL;
3289                 }
3290         }
3291
3292         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
3293         vport_id = vf->vport_id;
3294
3295         return qed_configure_vport_wfq(cdev, vport_id, rate);
3296 }
3297
3298 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
3299 {
3300         struct qed_wfq_data *vf_vp_wfq;
3301         struct qed_vf_info *vf_info;
3302
3303         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3304         if (!vf_info)
3305                 return 0;
3306
3307         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
3308
3309         if (vf_vp_wfq->configured)
3310                 return vf_vp_wfq->min_speed;
3311         else
3312                 return 0;
3313 }
3314
3315 /**
3316  * qed_schedule_iov - schedules IOV task for VF and PF
3317  * @hwfn: hardware function pointer
3318  * @flag: IOV flag for VF/PF
3319  */
3320 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3321 {
3322         smp_mb__before_atomic();
3323         set_bit(flag, &hwfn->iov_task_flags);
3324         smp_mb__after_atomic();
3325         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3326         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3327 }
3328
3329 void qed_vf_start_iov_wq(struct qed_dev *cdev)
3330 {
3331         int i;
3332
3333         for_each_hwfn(cdev, i)
3334             queue_delayed_work(cdev->hwfns[i].iov_wq,
3335                                &cdev->hwfns[i].iov_task, 0);
3336 }
3337
3338 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3339 {
3340         int i, j;
3341
3342         for_each_hwfn(cdev, i)
3343             if (cdev->hwfns[i].iov_wq)
3344                 flush_workqueue(cdev->hwfns[i].iov_wq);
3345
3346         /* Mark VFs for disablement */
3347         qed_iov_set_vfs_to_disable(cdev, true);
3348
3349         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3350                 pci_disable_sriov(cdev->pdev);
3351
3352         for_each_hwfn(cdev, i) {
3353                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3354                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3355
3356                 /* Failure to acquire the ptt in 100g creates an odd error
3357                  * where the first engine has already relased IOV.
3358                  */
3359                 if (!ptt) {
3360                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3361                         return -EBUSY;
3362                 }
3363
3364                 /* Clean WFQ db and configure equal weight for all vports */
3365                 qed_clean_wfq_db(hwfn, ptt);
3366
3367                 qed_for_each_vf(hwfn, j) {
3368                         int k;
3369
3370                         if (!qed_iov_is_valid_vfid(hwfn, j, true))
3371                                 continue;
3372
3373                         /* Wait until VF is disabled before releasing */
3374                         for (k = 0; k < 100; k++) {
3375                                 if (!qed_iov_is_vf_stopped(hwfn, j))
3376                                         msleep(20);
3377                                 else
3378                                         break;
3379                         }
3380
3381                         if (k < 100)
3382                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3383                                                           ptt, j);
3384                         else
3385                                 DP_ERR(hwfn,
3386                                        "Timeout waiting for VF's FLR to end\n");
3387                 }
3388
3389                 qed_ptt_release(hwfn, ptt);
3390         }
3391
3392         qed_iov_set_vfs_to_disable(cdev, false);
3393
3394         return 0;
3395 }
3396
3397 static int qed_sriov_enable(struct qed_dev *cdev, int num)
3398 {
3399         struct qed_sb_cnt_info sb_cnt_info;
3400         int i, j, rc;
3401
3402         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3403                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3404                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3405                 return -EINVAL;
3406         }
3407
3408         /* Initialize HW for VF access */
3409         for_each_hwfn(cdev, j) {
3410                 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3411                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3412                 int num_sbs = 0, limit = 16;
3413
3414                 if (!ptt) {
3415                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3416                         rc = -EBUSY;
3417                         goto err;
3418                 }
3419
3420                 if (IS_MF_DEFAULT(hwfn))
3421                         limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3422
3423                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3424                 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3425                 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3426
3427                 for (i = 0; i < num; i++) {
3428                         if (!qed_iov_is_valid_vfid(hwfn, i, false))
3429                                 continue;
3430
3431                         rc = qed_iov_init_hw_for_vf(hwfn,
3432                                                     ptt, i, num_sbs / num);
3433                         if (rc) {
3434                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3435                                 qed_ptt_release(hwfn, ptt);
3436                                 goto err;
3437                         }
3438                 }
3439
3440                 qed_ptt_release(hwfn, ptt);
3441         }
3442
3443         /* Enable SRIOV PCIe functions */
3444         rc = pci_enable_sriov(cdev->pdev, num);
3445         if (rc) {
3446                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3447                 goto err;
3448         }
3449
3450         return num;
3451
3452 err:
3453         qed_sriov_disable(cdev, false);
3454         return rc;
3455 }
3456
3457 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3458 {
3459         if (!IS_QED_SRIOV(cdev)) {
3460                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3461                 return -EOPNOTSUPP;
3462         }
3463
3464         if (num_vfs_param)
3465                 return qed_sriov_enable(cdev, num_vfs_param);
3466         else
3467                 return qed_sriov_disable(cdev, true);
3468 }
3469
3470 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3471 {
3472         int i;
3473
3474         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3475                 DP_VERBOSE(cdev, QED_MSG_IOV,
3476                            "Cannot set a VF MAC; Sriov is not enabled\n");
3477                 return -EINVAL;
3478         }
3479
3480         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3481                 DP_VERBOSE(cdev, QED_MSG_IOV,
3482                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3483                 return -EINVAL;
3484         }
3485
3486         for_each_hwfn(cdev, i) {
3487                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3488                 struct qed_public_vf_info *vf_info;
3489
3490                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3491                 if (!vf_info)
3492                         continue;
3493
3494                 /* Set the forced MAC, and schedule the IOV task */
3495                 ether_addr_copy(vf_info->forced_mac, mac);
3496                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3497         }
3498
3499         return 0;
3500 }
3501
3502 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3503 {
3504         int i;
3505
3506         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3507                 DP_VERBOSE(cdev, QED_MSG_IOV,
3508                            "Cannot set a VF MAC; Sriov is not enabled\n");
3509                 return -EINVAL;
3510         }
3511
3512         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3513                 DP_VERBOSE(cdev, QED_MSG_IOV,
3514                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3515                 return -EINVAL;
3516         }
3517
3518         for_each_hwfn(cdev, i) {
3519                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3520                 struct qed_public_vf_info *vf_info;
3521
3522                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3523                 if (!vf_info)
3524                         continue;
3525
3526                 /* Set the forced vlan, and schedule the IOV task */
3527                 vf_info->forced_vlan = vid;
3528                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3529         }
3530
3531         return 0;
3532 }
3533
3534 static int qed_get_vf_config(struct qed_dev *cdev,
3535                              int vf_id, struct ifla_vf_info *ivi)
3536 {
3537         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3538         struct qed_public_vf_info *vf_info;
3539         struct qed_mcp_link_state link;
3540         u32 tx_rate;
3541
3542         /* Sanitize request */
3543         if (IS_VF(cdev))
3544                 return -EINVAL;
3545
3546         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3547                 DP_VERBOSE(cdev, QED_MSG_IOV,
3548                            "VF index [%d] isn't active\n", vf_id);
3549                 return -EINVAL;
3550         }
3551
3552         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3553
3554         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3555
3556         /* Fill information about VF */
3557         ivi->vf = vf_id;
3558
3559         if (is_valid_ether_addr(vf_info->forced_mac))
3560                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3561         else
3562                 ether_addr_copy(ivi->mac, vf_info->mac);
3563
3564         ivi->vlan = vf_info->forced_vlan;
3565         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3566         ivi->linkstate = vf_info->link_state;
3567         tx_rate = vf_info->tx_rate;
3568         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3569         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3570
3571         return 0;
3572 }
3573
3574 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3575 {
3576         struct qed_mcp_link_capabilities caps;
3577         struct qed_mcp_link_params params;
3578         struct qed_mcp_link_state link;
3579         int i;
3580
3581         if (!hwfn->pf_iov_info)
3582                 return;
3583
3584         /* Update bulletin of all future possible VFs with link configuration */
3585         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
3586                 struct qed_public_vf_info *vf_info;
3587
3588                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3589                 if (!vf_info)
3590                         continue;
3591
3592                 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3593                 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3594                 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3595                        sizeof(caps));
3596
3597                 /* Modify link according to the VF's configured link state */
3598                 switch (vf_info->link_state) {
3599                 case IFLA_VF_LINK_STATE_DISABLE:
3600                         link.link_up = false;
3601                         break;
3602                 case IFLA_VF_LINK_STATE_ENABLE:
3603                         link.link_up = true;
3604                         /* Set speed according to maximum supported by HW.
3605                          * that is 40G for regular devices and 100G for CMT
3606                          * mode devices.
3607                          */
3608                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
3609                                      100000 : 40000;
3610                 default:
3611                         /* In auto mode pass PF link image to VF */
3612                         break;
3613                 }
3614
3615                 if (link.link_up && vf_info->tx_rate) {
3616                         struct qed_ptt *ptt;
3617                         int rate;
3618
3619                         rate = min_t(int, vf_info->tx_rate, link.speed);
3620
3621                         ptt = qed_ptt_acquire(hwfn);
3622                         if (!ptt) {
3623                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3624                                 return;
3625                         }
3626
3627                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3628                                 vf_info->tx_rate = rate;
3629                                 link.speed = rate;
3630                         }
3631
3632                         qed_ptt_release(hwfn, ptt);
3633                 }
3634
3635                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3636         }
3637
3638         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3639 }
3640
3641 static int qed_set_vf_link_state(struct qed_dev *cdev,
3642                                  int vf_id, int link_state)
3643 {
3644         int i;
3645
3646         /* Sanitize request */
3647         if (IS_VF(cdev))
3648                 return -EINVAL;
3649
3650         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3651                 DP_VERBOSE(cdev, QED_MSG_IOV,
3652                            "VF index [%d] isn't active\n", vf_id);
3653                 return -EINVAL;
3654         }
3655
3656         /* Handle configuration of link state */
3657         for_each_hwfn(cdev, i) {
3658                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3659                 struct qed_public_vf_info *vf;
3660
3661                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3662                 if (!vf)
3663                         continue;
3664
3665                 if (vf->link_state == link_state)
3666                         continue;
3667
3668                 vf->link_state = link_state;
3669                 qed_inform_vf_link_state(&cdev->hwfns[i]);
3670         }
3671
3672         return 0;
3673 }
3674
3675 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3676 {
3677         int i, rc = -EINVAL;
3678
3679         for_each_hwfn(cdev, i) {
3680                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3681
3682                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3683                 if (rc)
3684                         break;
3685         }
3686
3687         return rc;
3688 }
3689
3690 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3691 {
3692         int i;
3693
3694         for_each_hwfn(cdev, i) {
3695                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3696                 struct qed_public_vf_info *vf;
3697
3698                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3699                         DP_NOTICE(p_hwfn,
3700                                   "SR-IOV sanity check failed, can't set tx rate\n");
3701                         return -EINVAL;
3702                 }
3703
3704                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3705
3706                 vf->tx_rate = rate;
3707
3708                 qed_inform_vf_link_state(p_hwfn);
3709         }
3710
3711         return 0;
3712 }
3713
3714 static int qed_set_vf_rate(struct qed_dev *cdev,
3715                            int vfid, u32 min_rate, u32 max_rate)
3716 {
3717         int rc_min = 0, rc_max = 0;
3718
3719         if (max_rate)
3720                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3721
3722         if (min_rate)
3723                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3724
3725         if (rc_max | rc_min)
3726                 return -EINVAL;
3727
3728         return 0;
3729 }
3730
3731 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3732 {
3733         u64 events[QED_VF_ARRAY_LENGTH];
3734         struct qed_ptt *ptt;
3735         int i;
3736
3737         ptt = qed_ptt_acquire(hwfn);
3738         if (!ptt) {
3739                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3740                            "Can't acquire PTT; re-scheduling\n");
3741                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3742                 return;
3743         }
3744
3745         qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3746
3747         DP_VERBOSE(hwfn, QED_MSG_IOV,
3748                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3749                    events[0], events[1], events[2]);
3750
3751         qed_for_each_vf(hwfn, i) {
3752                 /* Skip VFs with no pending messages */
3753                 if (!(events[i / 64] & (1ULL << (i % 64))))
3754                         continue;
3755
3756                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3757                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3758                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3759
3760                 /* Copy VF's message to PF's request buffer for that VF */
3761                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3762                         continue;
3763
3764                 qed_iov_process_mbx_req(hwfn, ptt, i);
3765         }
3766
3767         qed_ptt_release(hwfn, ptt);
3768 }
3769
3770 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3771 {
3772         int i;
3773
3774         qed_for_each_vf(hwfn, i) {
3775                 struct qed_public_vf_info *info;
3776                 bool update = false;
3777                 u8 *mac;
3778
3779                 info = qed_iov_get_public_vf_info(hwfn, i, true);
3780                 if (!info)
3781                         continue;
3782
3783                 /* Update data on bulletin board */
3784                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3785                 if (is_valid_ether_addr(info->forced_mac) &&
3786                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3787                         DP_VERBOSE(hwfn,
3788                                    QED_MSG_IOV,
3789                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3790                                    i,
3791                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3792
3793                         /* Update bulletin board with forced MAC */
3794                         qed_iov_bulletin_set_forced_mac(hwfn,
3795                                                         info->forced_mac, i);
3796                         update = true;
3797                 }
3798
3799                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3800                     info->forced_vlan) {
3801                         DP_VERBOSE(hwfn,
3802                                    QED_MSG_IOV,
3803                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3804                                    info->forced_vlan,
3805                                    i,
3806                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3807                         qed_iov_bulletin_set_forced_vlan(hwfn,
3808                                                          info->forced_vlan, i);
3809                         update = true;
3810                 }
3811
3812                 if (update)
3813                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3814         }
3815 }
3816
3817 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3818 {
3819         struct qed_ptt *ptt;
3820         int i;
3821
3822         ptt = qed_ptt_acquire(hwfn);
3823         if (!ptt) {
3824                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3825                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3826                 return;
3827         }
3828
3829         qed_for_each_vf(hwfn, i)
3830             qed_iov_post_vf_bulletin(hwfn, i, ptt);
3831
3832         qed_ptt_release(hwfn, ptt);
3833 }
3834
3835 static void qed_iov_pf_task(struct work_struct *work)
3836
3837 {
3838         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3839                                              iov_task.work);
3840         int rc;
3841
3842         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3843                 return;
3844
3845         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3846                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3847
3848                 if (!ptt) {
3849                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3850                         return;
3851                 }
3852
3853                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3854                 if (rc)
3855                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3856
3857                 qed_ptt_release(hwfn, ptt);
3858         }
3859
3860         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3861                 qed_handle_vf_msg(hwfn);
3862
3863         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3864                                &hwfn->iov_task_flags))
3865                 qed_handle_pf_set_vf_unicast(hwfn);
3866
3867         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3868                                &hwfn->iov_task_flags))
3869                 qed_handle_bulletin_post(hwfn);
3870 }
3871
3872 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3873 {
3874         int i;
3875
3876         for_each_hwfn(cdev, i) {
3877                 if (!cdev->hwfns[i].iov_wq)
3878                         continue;
3879
3880                 if (schedule_first) {
3881                         qed_schedule_iov(&cdev->hwfns[i],
3882                                          QED_IOV_WQ_STOP_WQ_FLAG);
3883                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3884                 }
3885
3886                 flush_workqueue(cdev->hwfns[i].iov_wq);
3887                 destroy_workqueue(cdev->hwfns[i].iov_wq);
3888         }
3889 }
3890
3891 int qed_iov_wq_start(struct qed_dev *cdev)
3892 {
3893         char name[NAME_SIZE];
3894         int i;
3895
3896         for_each_hwfn(cdev, i) {
3897                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3898
3899                 /* PFs needs a dedicated workqueue only if they support IOV.
3900                  * VFs always require one.
3901                  */
3902                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
3903                         continue;
3904
3905                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3906                          cdev->pdev->bus->number,
3907                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3908
3909                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3910                 if (!p_hwfn->iov_wq) {
3911                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3912                         return -ENOMEM;
3913                 }
3914
3915                 if (IS_PF(cdev))
3916                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3917                 else
3918                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
3919         }
3920
3921         return 0;
3922 }
3923
3924 const struct qed_iov_hv_ops qed_iov_ops_pass = {
3925         .configure = &qed_sriov_configure,
3926         .set_mac = &qed_sriov_pf_set_mac,
3927         .set_vlan = &qed_sriov_pf_set_vlan,
3928         .get_config = &qed_get_vf_config,
3929         .set_link_state = &qed_set_vf_link_state,
3930         .set_spoof = &qed_spoof_configure,
3931         .set_rate = &qed_set_vf_rate,
3932 };