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