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

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