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,
  25                            u32 concrete_vfid, u16 opaque_vfid)
  26 {
  27         struct vf_start_ramrod_data *p_ramrod = NULL;
  28         struct qed_spq_entry *p_ent = NULL;
  29         struct qed_sp_init_data init_data;
  30         int rc = -EINVAL;
  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 = opaque_vfid;
  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(concrete_vfid, PXP_CONCRETE_FID_VFID);
  47         p_ramrod->opaque_fid = cpu_to_le16(opaque_vfid);
  48
  49         p_ramrod->personality = PERSONALITY_ETH;
  50
  51         return qed_spq_post(p_hwfn, p_ent, NULL);
  52 }
  53
  54 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
  55                           u32 concrete_vfid, u16 opaque_vfid)
  56 {
  57         struct vf_stop_ramrod_data *p_ramrod = NULL;
  58         struct qed_spq_entry *p_ent = NULL;
  59         struct qed_sp_init_data init_data;
  60         int rc = -EINVAL;
  61
  62         /* Get SPQ entry */
  63         memset(&init_data, 0, sizeof(init_data));
  64         init_data.cid = qed_spq_get_cid(p_hwfn);
  65         init_data.opaque_fid = opaque_vfid;
  66         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  67
  68         rc = qed_sp_init_request(p_hwfn, &p_ent,
  69                                  COMMON_RAMROD_VF_STOP,
  70                                  PROTOCOLID_COMMON, &init_data);
  71         if (rc)
  72                 return rc;
  73
  74         p_ramrod = &p_ent->ramrod.vf_stop;
  75
  76         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
  77
  78         return qed_spq_post(p_hwfn, p_ent, NULL);
  79 }
  80
  81 bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
  82                            int rel_vf_id, bool b_enabled_only)
  83 {
  84         if (!p_hwfn->pf_iov_info) {
  85                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
  86                 return false;
  87         }
  88
  89         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
  90             (rel_vf_id < 0))
  91                 return false;
  92
  93         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
  94             b_enabled_only)
  95                 return false;
  96
  97         return true;
  98 }
  99
 100 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 101                                                u16 relative_vf_id,
 102                                                bool b_enabled_only)
 103 {
 104         struct qed_vf_info *vf = NULL;
 105
 106         if (!p_hwfn->pf_iov_info) {
 107                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 108                 return NULL;
 109         }
 110
 111         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only))
 112                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 113         else
 114                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 115                        relative_vf_id);
 116
 117         return vf;
 118 }
 119
 120 int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 121                              int vfid, struct qed_ptt *p_ptt)
 122 {
 123         struct qed_bulletin_content *p_bulletin;
 124         int crc_size = sizeof(p_bulletin->crc);
 125         struct qed_dmae_params params;
 126         struct qed_vf_info *p_vf;
 127
 128         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 129         if (!p_vf)
 130                 return -EINVAL;
 131
 132         if (!p_vf->vf_bulletin)
 133                 return -EINVAL;
 134
 135         p_bulletin = p_vf->bulletin.p_virt;
 136
 137         /* Increment bulletin board version and compute crc */
 138         p_bulletin->version++;
 139         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 140                                 p_vf->bulletin.size - crc_size);
 141
 142         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 143                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 144                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 145
 146         /* propagate bulletin board via dmae to vm memory */
 147         memset(&params, 0, sizeof(params));
 148         params.flags = QED_DMAE_FLAG_VF_DST;
 149         params.dst_vfid = p_vf->abs_vf_id;
 150         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 151                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 152                                   &params);
 153 }
 154
 155 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 156 {
 157         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 158         int pos = iov->pos;
 159
 160         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 161         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 162
 163         pci_read_config_word(cdev->pdev,
 164                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 165         pci_read_config_word(cdev->pdev,
 166                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 167
 168         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 169         if (iov->num_vfs) {
 170                 DP_VERBOSE(cdev,
 171                            QED_MSG_IOV,
 172                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 173                 iov->num_vfs = 0;
 174         }
 175
 176         pci_read_config_word(cdev->pdev,
 177                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 178
 179         pci_read_config_word(cdev->pdev,
 180                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 181
 182         pci_read_config_word(cdev->pdev,
 183                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 184
 185         pci_read_config_dword(cdev->pdev,
 186                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 187
 188         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 189
 190         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 191
 192         DP_VERBOSE(cdev,
 193                    QED_MSG_IOV,
 194                    "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",
 195                    iov->nres,
 196                    iov->cap,
 197                    iov->ctrl,
 198                    iov->total_vfs,
 199                    iov->initial_vfs,
 200                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 201
 202         /* Some sanity checks */
 203         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 204             iov->total_vfs > NUM_OF_VFS(cdev)) {
 205                 /* This can happen only due to a bug. In this case we set
 206                  * num_vfs to zero to avoid memory corruption in the code that
 207                  * assumes max number of vfs
 208                  */
 209                 DP_NOTICE(cdev,
 210                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 211                           iov->num_vfs);
 212
 213                 iov->num_vfs = 0;
 214                 iov->total_vfs = 0;
 215         }
 216
 217         return 0;
 218 }
 219
 220 static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
 221                                         struct qed_ptt *p_ptt)
 222 {
 223         struct qed_igu_block *p_sb;
 224         u16 sb_id;
 225         u32 val;
 226
 227         if (!p_hwfn->hw_info.p_igu_info) {
 228                 DP_ERR(p_hwfn,
 229                        "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
 230                 return;
 231         }
 232
 233         for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
 234              sb_id++) {
 235                 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
 236                 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
 237                     !(p_sb->status & QED_IGU_STATUS_PF)) {
 238                         val = qed_rd(p_hwfn, p_ptt,
 239                                      IGU_REG_MAPPING_MEMORY + sb_id * 4);
 240                         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 241                         qed_wr(p_hwfn, p_ptt,
 242                                IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
 243                 }
 244         }
 245 }
 246
 247 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 248 {
 249         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 250         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 251         struct qed_bulletin_content *p_bulletin_virt;
 252         dma_addr_t req_p, rply_p, bulletin_p;
 253         union pfvf_tlvs *p_reply_virt_addr;
 254         union vfpf_tlvs *p_req_virt_addr;
 255         u8 idx = 0;
 256
 257         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 258
 259         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 260         req_p = p_iov_info->mbx_msg_phys_addr;
 261         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 262         rply_p = p_iov_info->mbx_reply_phys_addr;
 263         p_bulletin_virt = p_iov_info->p_bulletins;
 264         bulletin_p = p_iov_info->bulletins_phys;
 265         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 266                 DP_ERR(p_hwfn,
 267                        "qed_iov_setup_vfdb called without allocating mem first\n");
 268                 return;
 269         }
 270
 271         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 272                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 273                 u32 concrete;
 274
 275                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 276                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 277                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 278                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 279
 280                 vf->state = VF_STOPPED;
 281                 vf->b_init = false;
 282
 283                 vf->bulletin.phys = idx *
 284                                     sizeof(struct qed_bulletin_content) +
 285                                     bulletin_p;
 286                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 287                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 288
 289                 vf->relative_vf_id = idx;
 290                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 291                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 292                 vf->concrete_fid = concrete;
 293                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 294                                  (vf->abs_vf_id << 8);
 295                 vf->vport_id = idx + 1;
 296         }
 297 }
 298
 299 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 300 {
 301         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 302         void **p_v_addr;
 303         u16 num_vfs = 0;
 304
 305         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 306
 307         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 308                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 309
 310         /* Allocate PF Mailbox buffer (per-VF) */
 311         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 312         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 313         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 314                                        p_iov_info->mbx_msg_size,
 315                                        &p_iov_info->mbx_msg_phys_addr,
 316                                        GFP_KERNEL);
 317         if (!*p_v_addr)
 318                 return -ENOMEM;
 319
 320         /* Allocate PF Mailbox Reply buffer (per-VF) */
 321         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 322         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 323         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 324                                        p_iov_info->mbx_reply_size,
 325                                        &p_iov_info->mbx_reply_phys_addr,
 326                                        GFP_KERNEL);
 327         if (!*p_v_addr)
 328                 return -ENOMEM;
 329
 330         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 331                                      num_vfs;
 332         p_v_addr = &p_iov_info->p_bulletins;
 333         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 334                                        p_iov_info->bulletins_size,
 335                                        &p_iov_info->bulletins_phys,
 336                                        GFP_KERNEL);
 337         if (!*p_v_addr)
 338                 return -ENOMEM;
 339
 340         DP_VERBOSE(p_hwfn,
 341                    QED_MSG_IOV,
 342                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 343                    p_iov_info->mbx_msg_virt_addr,
 344                    (u64) p_iov_info->mbx_msg_phys_addr,
 345                    p_iov_info->mbx_reply_virt_addr,
 346                    (u64) p_iov_info->mbx_reply_phys_addr,
 347                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 348
 349         return 0;
 350 }
 351
 352 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 353 {
 354         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 355
 356         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 357                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 358                                   p_iov_info->mbx_msg_size,
 359                                   p_iov_info->mbx_msg_virt_addr,
 360                                   p_iov_info->mbx_msg_phys_addr);
 361
 362         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 363                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 364                                   p_iov_info->mbx_reply_size,
 365                                   p_iov_info->mbx_reply_virt_addr,
 366                                   p_iov_info->mbx_reply_phys_addr);
 367
 368         if (p_iov_info->p_bulletins)
 369                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 370                                   p_iov_info->bulletins_size,
 371                                   p_iov_info->p_bulletins,
 372                                   p_iov_info->bulletins_phys);
 373 }
 374
 375 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 376 {
 377         struct qed_pf_iov *p_sriov;
 378
 379         if (!IS_PF_SRIOV(p_hwfn)) {
 380                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 381                            "No SR-IOV - no need for IOV db\n");
 382                 return 0;
 383         }
 384
 385         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 386         if (!p_sriov) {
 387                 DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
 388                 return -ENOMEM;
 389         }
 390
 391         p_hwfn->pf_iov_info = p_sriov;
 392
 393         return qed_iov_allocate_vfdb(p_hwfn);
 394 }
 395
 396 void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 397 {
 398         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 399                 return;
 400
 401         qed_iov_setup_vfdb(p_hwfn);
 402         qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
 403 }
 404
 405 void qed_iov_free(struct qed_hwfn *p_hwfn)
 406 {
 407         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 408                 qed_iov_free_vfdb(p_hwfn);
 409                 kfree(p_hwfn->pf_iov_info);
 410         }
 411 }
 412
 413 void qed_iov_free_hw_info(struct qed_dev *cdev)
 414 {
 415         kfree(cdev->p_iov_info);
 416         cdev->p_iov_info = NULL;
 417 }
 418
 419 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 420 {
 421         struct qed_dev *cdev = p_hwfn->cdev;
 422         int pos;
 423         int rc;
 424
 425         if (IS_VF(p_hwfn->cdev))
 426                 return 0;
 427
 428         /* Learn the PCI configuration */
 429         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 430                                       PCI_EXT_CAP_ID_SRIOV);
 431         if (!pos) {
 432                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 433                 return 0;
 434         }
 435
 436         /* Allocate a new struct for IOV information */
 437         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 438         if (!cdev->p_iov_info) {
 439                 DP_NOTICE(p_hwfn, "Can't support IOV due to lack of memory\n");
 440                 return -ENOMEM;
 441         }
 442         cdev->p_iov_info->pos = pos;
 443
 444         rc = qed_iov_pci_cfg_info(cdev);
 445         if (rc)
 446                 return rc;
 447
 448         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 449          * In case the capability is published but there are no VFs, simply
 450          * de-allocate the struct.
 451          */
 452         if (!cdev->p_iov_info->total_vfs) {
 453                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 454                            "IOV capabilities, but no VFs are published\n");
 455                 kfree(cdev->p_iov_info);
 456                 cdev->p_iov_info = NULL;
 457                 return 0;
 458         }
 459
 460         /* Calculate the first VF index - this is a bit tricky; Basically,
 461          * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
 462          * after the first engine's VFs.
 463          */
 464         cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
 465                                            p_hwfn->abs_pf_id - 16;
 466         if (QED_PATH_ID(p_hwfn))
 467                 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 468
 469         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 470                    "First VF in hwfn 0x%08x\n",
 471                    cdev->p_iov_info->first_vf_in_pf);
 472
 473         return 0;
 474 }
 475
 476 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 477 {
 478         /* Check PF supports sriov */
 479         if (!IS_QED_SRIOV(p_hwfn->cdev) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 480                 return false;
 481
 482         /* Check VF validity */
 483         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 484             !IS_PF_SRIOV_ALLOC(p_hwfn))
 485                 return false;
 486
 487         return true;
 488 }
 489
 490 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 491                                       u16 rel_vf_id, u8 to_disable)
 492 {
 493         struct qed_vf_info *vf;
 494         int i;
 495
 496         for_each_hwfn(cdev, i) {
 497                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 498
 499                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 500                 if (!vf)
 501                         continue;
 502
 503                 vf->to_disable = to_disable;
 504         }
 505 }
 506
 507 void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 508 {
 509         u16 i;
 510
 511         if (!IS_QED_SRIOV(cdev))
 512                 return;
 513
 514         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 515                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 516 }
 517
 518 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 519                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 520 {
 521         qed_wr(p_hwfn, p_ptt,
 522                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 523                1 << (abs_vfid & 0x1f));
 524 }
 525
 526 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 527                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 528 {
 529         u16 igu_sb_id;
 530         int i;
 531
 532         /* Set VF masks and configuration - pretend */
 533         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 534
 535         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 536
 537         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 538                    "value in VF_CONFIGURATION of vf %d after write %x\n",
 539                    vf->abs_vf_id,
 540                    qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION));
 541
 542         /* unpretend */
 543         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 544
 545         /* iterate over all queues, clear sb consumer */
 546         for (i = 0; i < vf->num_sbs; i++) {
 547                 igu_sb_id = vf->igu_sbs[i];
 548                 /* Set then clear... */
 549                 qed_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 1,
 550                                        vf->opaque_fid);
 551                 qed_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 0,
 552                                        vf->opaque_fid);
 553         }
 554 }
 555
 556 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 557                                    struct qed_ptt *p_ptt,
 558                                    struct qed_vf_info *vf, bool enable)
 559 {
 560         u32 igu_vf_conf;
 561
 562         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 563
 564         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 565
 566         if (enable)
 567                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 568         else
 569                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 570
 571         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 572
 573         /* unpretend */
 574         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 575 }
 576
 577 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 578                                     struct qed_ptt *p_ptt,
 579                                     struct qed_vf_info *vf)
 580 {
 581         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 582         int rc;
 583
 584         if (vf->to_disable)
 585                 return 0;
 586
 587         DP_VERBOSE(p_hwfn,
 588                    QED_MSG_IOV,
 589                    "Enable internal access for vf %x [abs %x]\n",
 590                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 591
 592         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 593
 594         rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
 595         if (rc)
 596                 return rc;
 597
 598         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 599
 600         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 601         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 602
 603         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 604                      p_hwfn->hw_info.hw_mode);
 605
 606         /* unpretend */
 607         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 608
 609         if (vf->state != VF_STOPPED) {
 610                 DP_NOTICE(p_hwfn, "VF[%02x] is already started\n",
 611                           vf->abs_vf_id);
 612                 return -EINVAL;
 613         }
 614
 615         /* Start VF */
 616         rc = qed_sp_vf_start(p_hwfn, vf->concrete_fid, vf->opaque_fid);
 617         if (rc)
 618                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
 619
 620         vf->state = VF_FREE;
 621
 622         return rc;
 623 }
 624
 625 /**
 626  * @brief qed_iov_config_perm_table - configure the permission
 627  *      zone table.
 628  *      In E4, queue zone permission table size is 320x9. There
 629  *      are 320 VF queues for single engine device (256 for dual
 630  *      engine device), and each entry has the following format:
 631  *      {Valid, VF[7:0]}
 632  * @param p_hwfn
 633  * @param p_ptt
 634  * @param vf
 635  * @param enable
 636  */
 637 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 638                                       struct qed_ptt *p_ptt,
 639                                       struct qed_vf_info *vf, u8 enable)
 640 {
 641         u32 reg_addr, val;
 642         u16 qzone_id = 0;
 643         int qid;
 644
 645         for (qid = 0; qid < vf->num_rxqs; qid++) {
 646                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 647                                 &qzone_id);
 648
 649                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 650                 val = enable ? (vf->abs_vf_id | (1 << 8)) : 0;
 651                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 652         }
 653 }
 654
 655 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 656                                       struct qed_ptt *p_ptt,
 657                                       struct qed_vf_info *vf)
 658 {
 659         /* Reset vf in IGU - interrupts are still disabled */
 660         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 661
 662         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 663
 664         /* Permission Table */
 665         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 666 }
 667
 668 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 669                                    struct qed_ptt *p_ptt,
 670                                    struct qed_vf_info *vf, u16 num_rx_queues)
 671 {
 672         struct qed_igu_block *igu_blocks;
 673         int qid = 0, igu_id = 0;
 674         u32 val = 0;
 675
 676         igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
 677
 678         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
 679                 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
 680         p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
 681
 682         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 683         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 684         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 685
 686         while ((qid < num_rx_queues) &&
 687                (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
 688                 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
 689                         struct cau_sb_entry sb_entry;
 690
 691                         vf->igu_sbs[qid] = (u16)igu_id;
 692                         igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
 693
 694                         SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 695
 696                         qed_wr(p_hwfn, p_ptt,
 697                                IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
 698                                val);
 699
 700                         /* Configure igu sb in CAU which were marked valid */
 701                         qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 702                                               p_hwfn->rel_pf_id,
 703                                               vf->abs_vf_id, 1);
 704                         qed_dmae_host2grc(p_hwfn, p_ptt,
 705                                           (u64)(uintptr_t)&sb_entry,
 706                                           CAU_REG_SB_VAR_MEMORY +
 707                                           igu_id * sizeof(u64), 2, 0);
 708                         qid++;
 709                 }
 710                 igu_id++;
 711         }
 712
 713         vf->num_sbs = (u8) num_rx_queues;
 714
 715         return vf->num_sbs;
 716 }
 717
 718 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 719                                     struct qed_ptt *p_ptt,
 720                                     struct qed_vf_info *vf)
 721 {
 722         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 723         int idx, igu_id;
 724         u32 addr, val;
 725
 726         /* Invalidate igu CAM lines and mark them as free */
 727         for (idx = 0; idx < vf->num_sbs; idx++) {
 728                 igu_id = vf->igu_sbs[idx];
 729                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 730
 731                 val = qed_rd(p_hwfn, p_ptt, addr);
 732                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 733                 qed_wr(p_hwfn, p_ptt, addr, val);
 734
 735                 p_info->igu_map.igu_blocks[igu_id].status |=
 736                     QED_IGU_STATUS_FREE;
 737
 738                 p_hwfn->hw_info.p_igu_info->free_blks++;
 739         }
 740
 741         vf->num_sbs = 0;
 742 }
 743
 744 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 745                                   struct qed_ptt *p_ptt,
 746                                   u16 rel_vf_id, u16 num_rx_queues)
 747 {
 748         u8 num_of_vf_avaiable_chains = 0;
 749         struct qed_vf_info *vf = NULL;
 750         int rc = 0;
 751         u32 cids;
 752         u8 i;
 753
 754         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 755         if (!vf) {
 756                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 757                 return -EINVAL;
 758         }
 759
 760         if (vf->b_init) {
 761                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
 762                 return -EINVAL;
 763         }
 764
 765         /* Limit number of queues according to number of CIDs */
 766         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
 767         DP_VERBOSE(p_hwfn,
 768                    QED_MSG_IOV,
 769                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
 770                    vf->relative_vf_id, num_rx_queues, (u16) cids);
 771         num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
 772
 773         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
 774                                                              p_ptt,
 775                                                              vf,
 776                                                              num_rx_queues);
 777         if (!num_of_vf_avaiable_chains) {
 778                 DP_ERR(p_hwfn, "no available igu sbs\n");
 779                 return -ENOMEM;
 780         }
 781
 782         /* Choose queue number and index ranges */
 783         vf->num_rxqs = num_of_vf_avaiable_chains;
 784         vf->num_txqs = num_of_vf_avaiable_chains;
 785
 786         for (i = 0; i < vf->num_rxqs; i++) {
 787                 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
 788                                                            vf->igu_sbs[i]);
 789
 790                 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
 791                         DP_NOTICE(p_hwfn,
 792                                   "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
 793                                   vf->relative_vf_id, queue_id);
 794                         return -EINVAL;
 795                 }
 796
 797                 /* CIDs are per-VF, so no problem having them 0-based. */
 798                 vf->vf_queues[i].fw_rx_qid = queue_id;
 799                 vf->vf_queues[i].fw_tx_qid = queue_id;
 800                 vf->vf_queues[i].fw_cid = i;
 801
 802                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 803                            "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
 804                            vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
 805         }
 806         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
 807         if (!rc) {
 808                 vf->b_init = true;
 809
 810                 if (IS_LEAD_HWFN(p_hwfn))
 811                         p_hwfn->cdev->p_iov_info->num_vfs++;
 812         }
 813
 814         return rc;
 815 }
 816
 817 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
 818                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
 819 {
 820         struct qed_vf_info *vf = NULL;
 821         int rc = 0;
 822
 823         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
 824         if (!vf) {
 825                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
 826                 return -EINVAL;
 827         }
 828
 829         if (vf->bulletin.p_virt)
 830                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
 831
 832         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
 833
 834         if (vf->state != VF_STOPPED) {
 835                 /* Stopping the VF */
 836                 rc = qed_sp_vf_stop(p_hwfn, vf->concrete_fid, vf->opaque_fid);
 837
 838                 if (rc != 0) {
 839                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
 840                                rc);
 841                         return rc;
 842                 }
 843
 844                 vf->state = VF_STOPPED;
 845         }
 846
 847         /* disablng interrupts and resetting permission table was done during
 848          * vf-close, however, we could get here without going through vf_close
 849          */
 850         /* Disable Interrupts for VF */
 851         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
 852
 853         /* Reset Permission table */
 854         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
 855
 856         vf->num_rxqs = 0;
 857         vf->num_txqs = 0;
 858         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
 859
 860         if (vf->b_init) {
 861                 vf->b_init = false;
 862
 863                 if (IS_LEAD_HWFN(p_hwfn))
 864                         p_hwfn->cdev->p_iov_info->num_vfs--;
 865         }
 866
 867         return 0;
 868 }
 869
 870 static bool qed_iov_tlv_supported(u16 tlvtype)
 871 {
 872         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
 873 }
 874
 875 /* place a given tlv on the tlv buffer, continuing current tlv list */
 876 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
 877 {
 878         struct channel_tlv *tl = (struct channel_tlv *)*offset;
 879
 880         tl->type = type;
 881         tl->length = length;
 882
 883         /* Offset should keep pointing to next TLV (the end of the last) */
 884         *offset += length;
 885
 886         /* Return a pointer to the start of the added tlv */
 887         return *offset - length;
 888 }
 889
 890 /* list the types and lengths of the tlvs on the buffer */
 891 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
 892 {
 893         u16 i = 1, total_length = 0;
 894         struct channel_tlv *tlv;
 895
 896         do {
 897                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
 898
 899                 /* output tlv */
 900                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 901                            "TLV number %d: type %d, length %d\n",
 902                            i, tlv->type, tlv->length);
 903
 904                 if (tlv->type == CHANNEL_TLV_LIST_END)
 905                         return;
 906
 907                 /* Validate entry - protect against malicious VFs */
 908                 if (!tlv->length) {
 909                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
 910                         return;
 911                 }
 912
 913                 total_length += tlv->length;
 914
 915                 if (total_length >= sizeof(struct tlv_buffer_size)) {
 916                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
 917                         return;
 918                 }
 919
 920                 i++;
 921         } while (1);
 922 }
 923
 924 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
 925                                   struct qed_ptt *p_ptt,
 926                                   struct qed_vf_info *p_vf,
 927                                   u16 length, u8 status)
 928 {
 929         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
 930         struct qed_dmae_params params;
 931         u8 eng_vf_id;
 932
 933         mbx->reply_virt->default_resp.hdr.status = status;
 934
 935         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
 936
 937         eng_vf_id = p_vf->abs_vf_id;
 938
 939         memset(&params, 0, sizeof(struct qed_dmae_params));
 940         params.flags = QED_DMAE_FLAG_VF_DST;
 941         params.dst_vfid = eng_vf_id;
 942
 943         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
 944                            mbx->req_virt->first_tlv.reply_address +
 945                            sizeof(u64),
 946                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
 947                            &params);
 948
 949         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
 950                            mbx->req_virt->first_tlv.reply_address,
 951                            sizeof(u64) / 4, &params);
 952
 953         REG_WR(p_hwfn,
 954                GTT_BAR0_MAP_REG_USDM_RAM +
 955                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
 956 }
 957
 958 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
 959                                 enum qed_iov_vport_update_flag flag)
 960 {
 961         switch (flag) {
 962         case QED_IOV_VP_UPDATE_ACTIVATE:
 963                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
 964         case QED_IOV_VP_UPDATE_VLAN_STRIP:
 965                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
 966         case QED_IOV_VP_UPDATE_TX_SWITCH:
 967                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
 968         case QED_IOV_VP_UPDATE_MCAST:
 969                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
 970         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
 971                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
 972         case QED_IOV_VP_UPDATE_RSS:
 973                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
 974         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
 975                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
 976         case QED_IOV_VP_UPDATE_SGE_TPA:
 977                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
 978         default:
 979                 return 0;
 980         }
 981 }
 982
 983 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
 984                                             struct qed_vf_info *p_vf,
 985                                             struct qed_iov_vf_mbx *p_mbx,
 986                                             u8 status,
 987                                             u16 tlvs_mask, u16 tlvs_accepted)
 988 {
 989         struct pfvf_def_resp_tlv *resp;
 990         u16 size, total_len, i;
 991
 992         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
 993         p_mbx->offset = (u8 *)p_mbx->reply_virt;
 994         size = sizeof(struct pfvf_def_resp_tlv);
 995         total_len = size;
 996
 997         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
 998
 999         /* Prepare response for all extended tlvs if they are found by PF */
1000         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1001                 if (!(tlvs_mask & (1 << i)))
1002                         continue;
1003
1004                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1005                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1006
1007                 if (tlvs_accepted & (1 << i))
1008                         resp->hdr.status = status;
1009                 else
1010                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1011
1012                 DP_VERBOSE(p_hwfn,
1013                            QED_MSG_IOV,
1014                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1015                            p_vf->relative_vf_id,
1016                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1017
1018                 total_len += size;
1019         }
1020
1021         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1022                     sizeof(struct channel_list_end_tlv));
1023
1024         return total_len;
1025 }
1026
1027 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1028                                  struct qed_ptt *p_ptt,
1029                                  struct qed_vf_info *vf_info,
1030                                  u16 type, u16 length, u8 status)
1031 {
1032         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1033
1034         mbx->offset = (u8 *)mbx->reply_virt;
1035
1036         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1037         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1038                     sizeof(struct channel_list_end_tlv));
1039
1040         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1041 }
1042
1043 struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1044                                                       u16 relative_vf_id,
1045                                                       bool b_enabled_only)
1046 {
1047         struct qed_vf_info *vf = NULL;
1048
1049         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1050         if (!vf)
1051                 return NULL;
1052
1053         return &vf->p_vf_info;
1054 }
1055
1056 void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1057 {
1058         struct qed_public_vf_info *vf_info;
1059
1060         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1061
1062         if (!vf_info)
1063                 return;
1064
1065         /* Clear the VF mac */
1066         memset(vf_info->mac, 0, ETH_ALEN);
1067 }
1068
1069 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1070                                struct qed_vf_info *p_vf)
1071 {
1072         u32 i;
1073
1074         p_vf->vf_bulletin = 0;
1075         p_vf->vport_instance = 0;
1076         p_vf->num_mac_filters = 0;
1077         p_vf->num_vlan_filters = 0;
1078         p_vf->configured_features = 0;
1079
1080         /* If VF previously requested less resources, go back to default */
1081         p_vf->num_rxqs = p_vf->num_sbs;
1082         p_vf->num_txqs = p_vf->num_sbs;
1083
1084         p_vf->num_active_rxqs = 0;
1085
1086         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1087                 p_vf->vf_queues[i].rxq_active = 0;
1088
1089         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1090         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1091 }
1092
1093 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1094                                    struct qed_ptt *p_ptt,
1095                                    struct qed_vf_info *vf)
1096 {
1097         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1098         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1099         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1100         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1101         u8 i, vfpf_status = PFVF_STATUS_SUCCESS;
1102         struct pf_vf_resc *resc = &resp->resc;
1103
1104         /* Validate FW compatibility */
1105         if (req->vfdev_info.fw_major != FW_MAJOR_VERSION ||
1106             req->vfdev_info.fw_minor != FW_MINOR_VERSION ||
1107             req->vfdev_info.fw_revision != FW_REVISION_VERSION ||
1108             req->vfdev_info.fw_engineering != FW_ENGINEERING_VERSION) {
1109                 DP_INFO(p_hwfn,
1110                         "VF[%d] is running an incompatible driver [VF needs FW %02x:%02x:%02x:%02x but Hypervisor is using %02x:%02x:%02x:%02x]\n",
1111                         vf->abs_vf_id,
1112                         req->vfdev_info.fw_major,
1113                         req->vfdev_info.fw_minor,
1114                         req->vfdev_info.fw_revision,
1115                         req->vfdev_info.fw_engineering,
1116                         FW_MAJOR_VERSION,
1117                         FW_MINOR_VERSION,
1118                         FW_REVISION_VERSION, FW_ENGINEERING_VERSION);
1119                 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1120                 goto out;
1121         }
1122
1123         /* On 100g PFs, prevent old VFs from loading */
1124         if ((p_hwfn->cdev->num_hwfns > 1) &&
1125             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1126                 DP_INFO(p_hwfn,
1127                         "VF[%d] is running an old driver that doesn't support 100g\n",
1128                         vf->abs_vf_id);
1129                 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1130                 goto out;
1131         }
1132
1133         memset(resp, 0, sizeof(*resp));
1134
1135         /* Fill in vf info stuff */
1136         vf->opaque_fid = req->vfdev_info.opaque_fid;
1137         vf->num_mac_filters = 1;
1138         vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
1139
1140         vf->vf_bulletin = req->bulletin_addr;
1141         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1142                             vf->bulletin.size : req->bulletin_size;
1143
1144         /* fill in pfdev info */
1145         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1146         pfdev_info->db_size = 0;
1147         pfdev_info->indices_per_sb = PIS_PER_SB;
1148
1149         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1150                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1151         if (p_hwfn->cdev->num_hwfns > 1)
1152                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1153
1154         pfdev_info->stats_info.mstats.address =
1155             PXP_VF_BAR0_START_MSDM_ZONE_B +
1156             offsetof(struct mstorm_vf_zone, non_trigger.eth_queue_stat);
1157         pfdev_info->stats_info.mstats.len =
1158             sizeof(struct eth_mstorm_per_queue_stat);
1159
1160         pfdev_info->stats_info.ustats.address =
1161             PXP_VF_BAR0_START_USDM_ZONE_B +
1162             offsetof(struct ustorm_vf_zone, non_trigger.eth_queue_stat);
1163         pfdev_info->stats_info.ustats.len =
1164             sizeof(struct eth_ustorm_per_queue_stat);
1165
1166         pfdev_info->stats_info.pstats.address =
1167             PXP_VF_BAR0_START_PSDM_ZONE_B +
1168             offsetof(struct pstorm_vf_zone, non_trigger.eth_queue_stat);
1169         pfdev_info->stats_info.pstats.len =
1170             sizeof(struct eth_pstorm_per_queue_stat);
1171
1172         pfdev_info->stats_info.tstats.address = 0;
1173         pfdev_info->stats_info.tstats.len = 0;
1174
1175         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1176
1177         pfdev_info->fw_major = FW_MAJOR_VERSION;
1178         pfdev_info->fw_minor = FW_MINOR_VERSION;
1179         pfdev_info->fw_rev = FW_REVISION_VERSION;
1180         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1181         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1182         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1183
1184         pfdev_info->dev_type = p_hwfn->cdev->type;
1185         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1186
1187         resc->num_rxqs = vf->num_rxqs;
1188         resc->num_txqs = vf->num_txqs;
1189         resc->num_sbs = vf->num_sbs;
1190         for (i = 0; i < resc->num_sbs; i++) {
1191                 resc->hw_sbs[i].hw_sb_id = vf->igu_sbs[i];
1192                 resc->hw_sbs[i].sb_qid = 0;
1193         }
1194
1195         for (i = 0; i < resc->num_rxqs; i++) {
1196                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[i].fw_rx_qid,
1197                                 (u16 *)&resc->hw_qid[i]);
1198                 resc->cid[i] = vf->vf_queues[i].fw_cid;
1199         }
1200
1201         resc->num_mac_filters = min_t(u8, vf->num_mac_filters,
1202                                       req->resc_request.num_mac_filters);
1203         resc->num_vlan_filters = min_t(u8, vf->num_vlan_filters,
1204                                        req->resc_request.num_vlan_filters);
1205
1206         /* This isn't really required as VF isn't limited, but some VFs might
1207          * actually test this value, so need to provide it.
1208          */
1209         resc->num_mc_filters = req->resc_request.num_mc_filters;
1210
1211         /* Fill agreed size of bulletin board in response */
1212         resp->bulletin_size = vf->bulletin.size;
1213         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1214
1215         DP_VERBOSE(p_hwfn,
1216                    QED_MSG_IOV,
1217                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1218                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1219                    vf->abs_vf_id,
1220                    resp->pfdev_info.chip_num,
1221                    resp->pfdev_info.db_size,
1222                    resp->pfdev_info.indices_per_sb,
1223                    resp->pfdev_info.capabilities,
1224                    resc->num_rxqs,
1225                    resc->num_txqs,
1226                    resc->num_sbs,
1227                    resc->num_mac_filters,
1228                    resc->num_vlan_filters);
1229         vf->state = VF_ACQUIRED;
1230
1231         /* Prepare Response */
1232 out:
1233         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1234                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1235 }
1236
1237 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1238                                   struct qed_vf_info *p_vf, bool val)
1239 {
1240         struct qed_sp_vport_update_params params;
1241         int rc;
1242
1243         if (val == p_vf->spoof_chk) {
1244                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1245                            "Spoofchk value[%d] is already configured\n", val);
1246                 return 0;
1247         }
1248
1249         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1250         params.opaque_fid = p_vf->opaque_fid;
1251         params.vport_id = p_vf->vport_id;
1252         params.update_anti_spoofing_en_flg = 1;
1253         params.anti_spoofing_en = val;
1254
1255         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1256         if (rc) {
1257                 p_vf->spoof_chk = val;
1258                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1259                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1260                            "Spoofchk val[%d] configured\n", val);
1261         } else {
1262                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1263                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1264                            val, p_vf->relative_vf_id);
1265         }
1266
1267         return rc;
1268 }
1269
1270 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1271                                             struct qed_vf_info *p_vf)
1272 {
1273         struct qed_filter_ucast filter;
1274         int rc = 0;
1275         int i;
1276
1277         memset(&filter, 0, sizeof(filter));
1278         filter.is_rx_filter = 1;
1279         filter.is_tx_filter = 1;
1280         filter.vport_to_add_to = p_vf->vport_id;
1281         filter.opcode = QED_FILTER_ADD;
1282
1283         /* Reconfigure vlans */
1284         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1285                 if (!p_vf->shadow_config.vlans[i].used)
1286                         continue;
1287
1288                 filter.type = QED_FILTER_VLAN;
1289                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1290                 DP_VERBOSE(p_hwfn,
1291                            QED_MSG_IOV,
1292                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1293                            filter.vlan, p_vf->relative_vf_id);
1294                 rc = qed_sp_eth_filter_ucast(p_hwfn,
1295                                              p_vf->opaque_fid,
1296                                              &filter,
1297                                              QED_SPQ_MODE_CB, NULL);
1298                 if (rc) {
1299                         DP_NOTICE(p_hwfn,
1300                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1301                                   filter.vlan, p_vf->relative_vf_id);
1302                         break;
1303                 }
1304         }
1305
1306         return rc;
1307 }
1308
1309 static int
1310 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1311                                    struct qed_vf_info *p_vf, u64 events)
1312 {
1313         int rc = 0;
1314
1315         if ((events & (1 << VLAN_ADDR_FORCED)) &&
1316             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1317                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1318
1319         return rc;
1320 }
1321
1322 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1323                                           struct qed_vf_info *p_vf, u64 events)
1324 {
1325         int rc = 0;
1326         struct qed_filter_ucast filter;
1327
1328         if (!p_vf->vport_instance)
1329                 return -EINVAL;
1330
1331         if (events & (1 << MAC_ADDR_FORCED)) {
1332                 /* Since there's no way [currently] of removing the MAC,
1333                  * we can always assume this means we need to force it.
1334                  */
1335                 memset(&filter, 0, sizeof(filter));
1336                 filter.type = QED_FILTER_MAC;
1337                 filter.opcode = QED_FILTER_REPLACE;
1338                 filter.is_rx_filter = 1;
1339                 filter.is_tx_filter = 1;
1340                 filter.vport_to_add_to = p_vf->vport_id;
1341                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1342
1343                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1344                                              &filter, QED_SPQ_MODE_CB, NULL);
1345                 if (rc) {
1346                         DP_NOTICE(p_hwfn,
1347                                   "PF failed to configure MAC for VF\n");
1348                         return rc;
1349                 }
1350
1351                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1352         }
1353
1354         if (events & (1 << VLAN_ADDR_FORCED)) {
1355                 struct qed_sp_vport_update_params vport_update;
1356                 u8 removal;
1357                 int i;
1358
1359                 memset(&filter, 0, sizeof(filter));
1360                 filter.type = QED_FILTER_VLAN;
1361                 filter.is_rx_filter = 1;
1362                 filter.is_tx_filter = 1;
1363                 filter.vport_to_add_to = p_vf->vport_id;
1364                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1365                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1366                                               QED_FILTER_FLUSH;
1367
1368                 /* Send the ramrod */
1369                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1370                                              &filter, QED_SPQ_MODE_CB, NULL);
1371                 if (rc) {
1372                         DP_NOTICE(p_hwfn,
1373                                   "PF failed to configure VLAN for VF\n");
1374                         return rc;
1375                 }
1376
1377                 /* Update the default-vlan & silent vlan stripping */
1378                 memset(&vport_update, 0, sizeof(vport_update));
1379                 vport_update.opaque_fid = p_vf->opaque_fid;
1380                 vport_update.vport_id = p_vf->vport_id;
1381                 vport_update.update_default_vlan_enable_flg = 1;
1382                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1383                 vport_update.update_default_vlan_flg = 1;
1384                 vport_update.default_vlan = filter.vlan;
1385
1386                 vport_update.update_inner_vlan_removal_flg = 1;
1387                 removal = filter.vlan ? 1
1388                                       : p_vf->shadow_config.inner_vlan_removal;
1389                 vport_update.inner_vlan_removal_flg = removal;
1390                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1391                 rc = qed_sp_vport_update(p_hwfn,
1392                                          &vport_update,
1393                                          QED_SPQ_MODE_EBLOCK, NULL);
1394                 if (rc) {
1395                         DP_NOTICE(p_hwfn,
1396                                   "PF failed to configure VF vport for vlan\n");
1397                         return rc;
1398                 }
1399
1400                 /* Update all the Rx queues */
1401                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1402                         u16 qid;
1403
1404                         if (!p_vf->vf_queues[i].rxq_active)
1405                                 continue;
1406
1407                         qid = p_vf->vf_queues[i].fw_rx_qid;
1408
1409                         rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1410                                                          1, 0, 1,
1411                                                          QED_SPQ_MODE_EBLOCK,
1412                                                          NULL);
1413                         if (rc) {
1414                                 DP_NOTICE(p_hwfn,
1415                                           "Failed to send Rx update fo queue[0x%04x]\n",
1416                                           qid);
1417                                 return rc;
1418                         }
1419                 }
1420
1421                 if (filter.vlan)
1422                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1423                 else
1424                         p_vf->configured_features &= ~(1 << VLAN_ADDR_FORCED);
1425         }
1426
1427         /* If forced features are terminated, we need to configure the shadow
1428          * configuration back again.
1429          */
1430         if (events)
1431                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1432
1433         return rc;
1434 }
1435
1436 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1437                                        struct qed_ptt *p_ptt,
1438                                        struct qed_vf_info *vf)
1439 {
1440         struct qed_sp_vport_start_params params = { 0 };
1441         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1442         struct vfpf_vport_start_tlv *start;
1443         u8 status = PFVF_STATUS_SUCCESS;
1444         struct qed_vf_info *vf_info;
1445         u64 *p_bitmap;
1446         int sb_id;
1447         int rc;
1448
1449         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1450         if (!vf_info) {
1451                 DP_NOTICE(p_hwfn->cdev,
1452                           "Failed to get VF info, invalid vfid [%d]\n",
1453                           vf->relative_vf_id);
1454                 return;
1455         }
1456
1457         vf->state = VF_ENABLED;
1458         start = &mbx->req_virt->start_vport;
1459
1460         /* Initialize Status block in CAU */
1461         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1462                 if (!start->sb_addr[sb_id]) {
1463                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1464                                    "VF[%d] did not fill the address of SB %d\n",
1465                                    vf->relative_vf_id, sb_id);
1466                         break;
1467                 }
1468
1469                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1470                                     start->sb_addr[sb_id],
1471                                     vf->igu_sbs[sb_id],
1472                                     vf->abs_vf_id, 1);
1473         }
1474         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1475
1476         vf->mtu = start->mtu;
1477         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1478
1479         /* Take into consideration configuration forced by hypervisor;
1480          * If none is configured, use the supplied VF values [for old
1481          * vfs that would still be fine, since they passed '0' as padding].
1482          */
1483         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1484         if (!(*p_bitmap & (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1485                 u8 vf_req = start->only_untagged;
1486
1487                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1488                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1489         }
1490
1491         params.tpa_mode = start->tpa_mode;
1492         params.remove_inner_vlan = start->inner_vlan_removal;
1493
1494         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1495         params.drop_ttl0 = false;
1496         params.concrete_fid = vf->concrete_fid;
1497         params.opaque_fid = vf->opaque_fid;
1498         params.vport_id = vf->vport_id;
1499         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1500         params.mtu = vf->mtu;
1501
1502         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1503         if (rc != 0) {
1504                 DP_ERR(p_hwfn,
1505                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1506                 status = PFVF_STATUS_FAILURE;
1507         } else {
1508                 vf->vport_instance++;
1509
1510                 /* Force configuration if needed on the newly opened vport */
1511                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1512
1513                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1514         }
1515         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1516                              sizeof(struct pfvf_def_resp_tlv), status);
1517 }
1518
1519 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1520                                       struct qed_ptt *p_ptt,
1521                                       struct qed_vf_info *vf)
1522 {
1523         u8 status = PFVF_STATUS_SUCCESS;
1524         int rc;
1525
1526         vf->vport_instance--;
1527         vf->spoof_chk = false;
1528
1529         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1530         if (rc != 0) {
1531                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1532                        rc);
1533                 status = PFVF_STATUS_FAILURE;
1534         }
1535
1536         /* Forget the configuration on the vport */
1537         vf->configured_features = 0;
1538         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1539
1540         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1541                              sizeof(struct pfvf_def_resp_tlv), status);
1542 }
1543
1544 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
1545 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
1546                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
1547
1548 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1549                                           struct qed_ptt *p_ptt,
1550                                           struct qed_vf_info *vf, u8 status)
1551 {
1552         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1553         struct pfvf_start_queue_resp_tlv *p_tlv;
1554         struct vfpf_start_rxq_tlv *req;
1555
1556         mbx->offset = (u8 *)mbx->reply_virt;
1557
1558         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
1559                             sizeof(*p_tlv));
1560         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1561                     sizeof(struct channel_list_end_tlv));
1562
1563         /* Update the TLV with the response */
1564         if (status == PFVF_STATUS_SUCCESS) {
1565                 u16 hw_qid = 0;
1566
1567                 req = &mbx->req_virt->start_rxq;
1568                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[req->rx_qid].fw_rx_qid,
1569                                 &hw_qid);
1570
1571                 p_tlv->offset = MSTORM_QZONE_START(p_hwfn->cdev) +
1572                                 hw_qid * MSTORM_QZONE_SIZE +
1573                                 offsetof(struct mstorm_eth_queue_zone,
1574                                          rx_producers);
1575         }
1576
1577         qed_iov_send_response(p_hwfn, p_ptt, vf, sizeof(*p_tlv), status);
1578 }
1579
1580 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1581                                      struct qed_ptt *p_ptt,
1582                                      struct qed_vf_info *vf)
1583 {
1584         struct qed_queue_start_common_params params;
1585         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1586         u8 status = PFVF_STATUS_SUCCESS;
1587         struct vfpf_start_rxq_tlv *req;
1588         int rc;
1589
1590         memset(&params, 0, sizeof(params));
1591         req = &mbx->req_virt->start_rxq;
1592         params.queue_id =  vf->vf_queues[req->rx_qid].fw_rx_qid;
1593         params.vport_id = vf->vport_id;
1594         params.sb = req->hw_sb;
1595         params.sb_idx = req->sb_index;
1596
1597         rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1598                                          vf->vf_queues[req->rx_qid].fw_cid,
1599                                          &params,
1600                                          vf->abs_vf_id + 0x10,
1601                                          req->bd_max_bytes,
1602                                          req->rxq_addr,
1603                                          req->cqe_pbl_addr, req->cqe_pbl_size);
1604
1605         if (rc) {
1606                 status = PFVF_STATUS_FAILURE;
1607         } else {
1608                 vf->vf_queues[req->rx_qid].rxq_active = true;
1609                 vf->num_active_rxqs++;
1610         }
1611
1612         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status);
1613 }
1614
1615 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1616                                      struct qed_ptt *p_ptt,
1617                                      struct qed_vf_info *vf)
1618 {
1619         u16 length = sizeof(struct pfvf_def_resp_tlv);
1620         struct qed_queue_start_common_params params;
1621         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1622         union qed_qm_pq_params pq_params;
1623         u8 status = PFVF_STATUS_SUCCESS;
1624         struct vfpf_start_txq_tlv *req;
1625         int rc;
1626
1627         /* Prepare the parameters which would choose the right PQ */
1628         memset(&pq_params, 0, sizeof(pq_params));
1629         pq_params.eth.is_vf = 1;
1630         pq_params.eth.vf_id = vf->relative_vf_id;
1631
1632         memset(&params, 0, sizeof(params));
1633         req = &mbx->req_virt->start_txq;
1634         params.queue_id =  vf->vf_queues[req->tx_qid].fw_tx_qid;
1635         params.vport_id = vf->vport_id;
1636         params.sb = req->hw_sb;
1637         params.sb_idx = req->sb_index;
1638
1639         rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1640                                          vf->opaque_fid,
1641                                          vf->vf_queues[req->tx_qid].fw_cid,
1642                                          &params,
1643                                          vf->abs_vf_id + 0x10,
1644                                          req->pbl_addr,
1645                                          req->pbl_size, &pq_params);
1646
1647         if (rc)
1648                 status = PFVF_STATUS_FAILURE;
1649         else
1650                 vf->vf_queues[req->tx_qid].txq_active = true;
1651
1652         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_TXQ,
1653                              length, status);
1654 }
1655
1656 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1657                                 struct qed_vf_info *vf,
1658                                 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1659 {
1660         int rc = 0;
1661         int qid;
1662
1663         if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1664                 return -EINVAL;
1665
1666         for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1667                 if (vf->vf_queues[qid].rxq_active) {
1668                         rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1669                                                       vf->vf_queues[qid].
1670                                                       fw_rx_qid, false,
1671                                                       cqe_completion);
1672
1673                         if (rc)
1674                                 return rc;
1675                 }
1676                 vf->vf_queues[qid].rxq_active = false;
1677                 vf->num_active_rxqs--;
1678         }
1679
1680         return rc;
1681 }
1682
1683 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1684                                 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1685 {
1686         int rc = 0;
1687         int qid;
1688
1689         if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1690                 return -EINVAL;
1691
1692         for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1693                 if (vf->vf_queues[qid].txq_active) {
1694                         rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1695                                                       vf->vf_queues[qid].
1696                                                       fw_tx_qid);
1697
1698                         if (rc)
1699                                 return rc;
1700                 }
1701                 vf->vf_queues[qid].txq_active = false;
1702         }
1703         return rc;
1704 }
1705
1706 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1707                                      struct qed_ptt *p_ptt,
1708                                      struct qed_vf_info *vf)
1709 {
1710         u16 length = sizeof(struct pfvf_def_resp_tlv);
1711         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1712         u8 status = PFVF_STATUS_SUCCESS;
1713         struct vfpf_stop_rxqs_tlv *req;
1714         int rc;
1715
1716         /* We give the option of starting from qid != 0, in this case we
1717          * need to make sure that qid + num_qs doesn't exceed the actual
1718          * amount of queues that exist.
1719          */
1720         req = &mbx->req_virt->stop_rxqs;
1721         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1722                                   req->num_rxqs, req->cqe_completion);
1723         if (rc)
1724                 status = PFVF_STATUS_FAILURE;
1725
1726         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1727                              length, status);
1728 }
1729
1730 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1731                                      struct qed_ptt *p_ptt,
1732                                      struct qed_vf_info *vf)
1733 {
1734         u16 length = sizeof(struct pfvf_def_resp_tlv);
1735         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1736         u8 status = PFVF_STATUS_SUCCESS;
1737         struct vfpf_stop_txqs_tlv *req;
1738         int rc;
1739
1740         /* We give the option of starting from qid != 0, in this case we
1741          * need to make sure that qid + num_qs doesn't exceed the actual
1742          * amount of queues that exist.
1743          */
1744         req = &mbx->req_virt->stop_txqs;
1745         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1746         if (rc)
1747                 status = PFVF_STATUS_FAILURE;
1748
1749         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
1750                              length, status);
1751 }
1752
1753 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
1754                                        struct qed_ptt *p_ptt,
1755                                        struct qed_vf_info *vf)
1756 {
1757         u16 length = sizeof(struct pfvf_def_resp_tlv);
1758         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1759         struct vfpf_update_rxq_tlv *req;
1760         u8 status = PFVF_STATUS_SUCCESS;
1761         u8 complete_event_flg;
1762         u8 complete_cqe_flg;
1763         u16 qid;
1764         int rc;
1765         u8 i;
1766
1767         req = &mbx->req_virt->update_rxq;
1768         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
1769         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
1770
1771         for (i = 0; i < req->num_rxqs; i++) {
1772                 qid = req->rx_qid + i;
1773
1774                 if (!vf->vf_queues[qid].rxq_active) {
1775                         DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
1776                                   qid);
1777                         status = PFVF_STATUS_FAILURE;
1778                         break;
1779                 }
1780
1781                 rc = qed_sp_eth_rx_queues_update(p_hwfn,
1782                                                  vf->vf_queues[qid].fw_rx_qid,
1783                                                  1,
1784                                                  complete_cqe_flg,
1785                                                  complete_event_flg,
1786                                                  QED_SPQ_MODE_EBLOCK, NULL);
1787
1788                 if (rc) {
1789                         status = PFVF_STATUS_FAILURE;
1790                         break;
1791                 }
1792         }
1793
1794         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
1795                              length, status);
1796 }
1797
1798 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
1799                                void *p_tlvs_list, u16 req_type)
1800 {
1801         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
1802         int len = 0;
1803
1804         do {
1805                 if (!p_tlv->length) {
1806                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
1807                         return NULL;
1808                 }
1809
1810                 if (p_tlv->type == req_type) {
1811                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1812                                    "Extended tlv type %d, length %d found\n",
1813                                    p_tlv->type, p_tlv->length);
1814                         return p_tlv;
1815                 }
1816
1817                 len += p_tlv->length;
1818                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
1819
1820                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
1821                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
1822                         return NULL;
1823                 }
1824         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
1825
1826         return NULL;
1827 }
1828
1829 static void
1830 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
1831                             struct qed_sp_vport_update_params *p_data,
1832                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1833 {
1834         struct vfpf_vport_update_activate_tlv *p_act_tlv;
1835         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1836
1837         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
1838                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1839         if (!p_act_tlv)
1840                 return;
1841
1842         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
1843         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
1844         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
1845         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
1846         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
1847 }
1848
1849 static void
1850 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
1851                              struct qed_sp_vport_update_params *p_data,
1852                              struct qed_vf_info *p_vf,
1853                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1854 {
1855         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
1856         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1857
1858         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
1859                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1860         if (!p_vlan_tlv)
1861                 return;
1862
1863         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
1864
1865         /* Ignore the VF request if we're forcing a vlan */
1866         if (!(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) {
1867                 p_data->update_inner_vlan_removal_flg = 1;
1868                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
1869         }
1870
1871         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
1872 }
1873
1874 static void
1875 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
1876                             struct qed_sp_vport_update_params *p_data,
1877                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1878 {
1879         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1880         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1881
1882         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
1883                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1884                                                    tlv);
1885         if (!p_tx_switch_tlv)
1886                 return;
1887
1888         p_data->update_tx_switching_flg = 1;
1889         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
1890         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
1891 }
1892
1893 static void
1894 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
1895                                   struct qed_sp_vport_update_params *p_data,
1896                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1897 {
1898         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1899         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
1900
1901         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
1902             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1903         if (!p_mcast_tlv)
1904                 return;
1905
1906         p_data->update_approx_mcast_flg = 1;
1907         memcpy(p_data->bins, p_mcast_tlv->bins,
1908                sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1909         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
1910 }
1911
1912 static void
1913 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
1914                               struct qed_sp_vport_update_params *p_data,
1915                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1916 {
1917         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
1918         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1919         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1920
1921         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
1922             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1923         if (!p_accept_tlv)
1924                 return;
1925
1926         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
1927         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
1928         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
1929         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
1930         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
1931 }
1932
1933 static void
1934 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
1935                                   struct qed_sp_vport_update_params *p_data,
1936                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1937 {
1938         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
1939         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1940
1941         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
1942                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1943                                                      tlv);
1944         if (!p_accept_any_vlan)
1945                 return;
1946
1947         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
1948         p_data->update_accept_any_vlan_flg =
1949                     p_accept_any_vlan->update_accept_any_vlan_flg;
1950         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
1951 }
1952
1953 static void
1954 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
1955                             struct qed_vf_info *vf,
1956                             struct qed_sp_vport_update_params *p_data,
1957                             struct qed_rss_params *p_rss,
1958                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1959 {
1960         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1961         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
1962         u16 i, q_idx, max_q_idx;
1963         u16 table_size;
1964
1965         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
1966                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1967         if (!p_rss_tlv) {
1968                 p_data->rss_params = NULL;
1969                 return;
1970         }
1971
1972         memset(p_rss, 0, sizeof(struct qed_rss_params));
1973
1974         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
1975                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
1976         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
1977                                             VFPF_UPDATE_RSS_CAPS_FLAG);
1978         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
1979                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
1980         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
1981                                    VFPF_UPDATE_RSS_KEY_FLAG);
1982
1983         p_rss->rss_enable = p_rss_tlv->rss_enable;
1984         p_rss->rss_eng_id = vf->relative_vf_id + 1;
1985         p_rss->rss_caps = p_rss_tlv->rss_caps;
1986         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
1987         memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
1988                sizeof(p_rss->rss_ind_table));
1989         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
1990
1991         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
1992                            (1 << p_rss_tlv->rss_table_size_log));
1993
1994         max_q_idx = ARRAY_SIZE(vf->vf_queues);
1995
1996         for (i = 0; i < table_size; i++) {
1997                 u16 index = vf->vf_queues[0].fw_rx_qid;
1998
1999                 q_idx = p_rss->rss_ind_table[i];
2000                 if (q_idx >= max_q_idx)
2001                         DP_NOTICE(p_hwfn,
2002                                   "rss_ind_table[%d] = %d, rxq is out of range\n",
2003                                   i, q_idx);
2004                 else if (!vf->vf_queues[q_idx].rxq_active)
2005                         DP_NOTICE(p_hwfn,
2006                                   "rss_ind_table[%d] = %d, rxq is not active\n",
2007                                   i, q_idx);
2008                 else
2009                         index = vf->vf_queues[q_idx].fw_rx_qid;
2010                 p_rss->rss_ind_table[i] = index;
2011         }
2012
2013         p_data->rss_params = p_rss;
2014         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2015 }
2016
2017 static void
2018 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2019                                 struct qed_vf_info *vf,
2020                                 struct qed_sp_vport_update_params *p_data,
2021                                 struct qed_sge_tpa_params *p_sge_tpa,
2022                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2023 {
2024         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2025         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2026
2027         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2028             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2029
2030         if (!p_sge_tpa_tlv) {
2031                 p_data->sge_tpa_params = NULL;
2032                 return;
2033         }
2034
2035         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2036
2037         p_sge_tpa->update_tpa_en_flg =
2038             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2039         p_sge_tpa->update_tpa_param_flg =
2040             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2041                 VFPF_UPDATE_TPA_PARAM_FLAG);
2042
2043         p_sge_tpa->tpa_ipv4_en_flg =
2044             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2045         p_sge_tpa->tpa_ipv6_en_flg =
2046             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2047         p_sge_tpa->tpa_pkt_split_flg =
2048             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2049         p_sge_tpa->tpa_hdr_data_split_flg =
2050             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2051         p_sge_tpa->tpa_gro_consistent_flg =
2052             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2053
2054         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2055         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2056         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2057         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2058         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2059
2060         p_data->sge_tpa_params = p_sge_tpa;
2061
2062         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2063 }
2064
2065 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2066                                         struct qed_ptt *p_ptt,
2067                                         struct qed_vf_info *vf)
2068 {
2069         struct qed_sp_vport_update_params params;
2070         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2071         struct qed_sge_tpa_params sge_tpa_params;
2072         struct qed_rss_params rss_params;
2073         u8 status = PFVF_STATUS_SUCCESS;
2074         u16 tlvs_mask = 0;
2075         u16 length;
2076         int rc;
2077
2078         memset(&params, 0, sizeof(params));
2079         params.opaque_fid = vf->opaque_fid;
2080         params.vport_id = vf->vport_id;
2081         params.rss_params = NULL;
2082
2083         /* Search for extended tlvs list and update values
2084          * from VF in struct qed_sp_vport_update_params.
2085          */
2086         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
2087         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2088         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
2089         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2090         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2091         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2092                                     mbx, &tlvs_mask);
2093         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2094         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2095                                         &sge_tpa_params, mbx, &tlvs_mask);
2096
2097         /* Just log a message if there is no single extended tlv in buffer.
2098          * When all features of vport update ramrod would be requested by VF
2099          * as extended TLVs in buffer then an error can be returned in response
2100          * if there is no extended TLV present in buffer.
2101          */
2102         if (!tlvs_mask) {
2103                 DP_NOTICE(p_hwfn,
2104                           "No feature tlvs found for vport update\n");
2105                 status = PFVF_STATUS_NOT_SUPPORTED;
2106                 goto out;
2107         }
2108
2109         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2110
2111         if (rc)
2112                 status = PFVF_STATUS_FAILURE;
2113
2114 out:
2115         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2116                                                   tlvs_mask, tlvs_mask);
2117         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2118 }
2119
2120 static int qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2121                                             struct qed_vf_info *p_vf,
2122                                             struct qed_filter_ucast *p_params)
2123 {
2124         int i;
2125
2126         if (p_params->type == QED_FILTER_MAC)
2127                 return 0;
2128
2129         /* First remove entries and then add new ones */
2130         if (p_params->opcode == QED_FILTER_REMOVE) {
2131                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2132                         if (p_vf->shadow_config.vlans[i].used &&
2133                             p_vf->shadow_config.vlans[i].vid ==
2134                             p_params->vlan) {
2135                                 p_vf->shadow_config.vlans[i].used = false;
2136                                 break;
2137                         }
2138                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2139                         DP_VERBOSE(p_hwfn,
2140                                    QED_MSG_IOV,
2141                                    "VF [%d] - Tries to remove a non-existing vlan\n",
2142                                    p_vf->relative_vf_id);
2143                         return -EINVAL;
2144                 }
2145         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2146                    p_params->opcode == QED_FILTER_FLUSH) {
2147                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2148                         p_vf->shadow_config.vlans[i].used = false;
2149         }
2150
2151         /* In forced mode, we're willing to remove entries - but we don't add
2152          * new ones.
2153          */
2154         if (p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED))
2155                 return 0;
2156
2157         if (p_params->opcode == QED_FILTER_ADD ||
2158             p_params->opcode == QED_FILTER_REPLACE) {
2159                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2160                         if (p_vf->shadow_config.vlans[i].used)
2161                                 continue;
2162
2163                         p_vf->shadow_config.vlans[i].used = true;
2164                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2165                         break;
2166                 }
2167
2168                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2169                         DP_VERBOSE(p_hwfn,
2170                                    QED_MSG_IOV,
2171                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
2172                                    p_vf->relative_vf_id,
2173                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2174                         return -EINVAL;
2175                 }
2176         }
2177
2178         return 0;
2179 }
2180
2181 int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2182                       int vfid, struct qed_filter_ucast *params)
2183 {
2184         struct qed_public_vf_info *vf;
2185
2186         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2187         if (!vf)
2188                 return -EINVAL;
2189
2190         /* No real decision to make; Store the configured MAC */
2191         if (params->type == QED_FILTER_MAC ||
2192             params->type == QED_FILTER_MAC_VLAN)
2193                 ether_addr_copy(vf->mac, params->mac);
2194
2195         return 0;
2196 }
2197
2198 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2199                                         struct qed_ptt *p_ptt,
2200                                         struct qed_vf_info *vf)
2201 {
2202         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
2203         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2204         struct vfpf_ucast_filter_tlv *req;
2205         u8 status = PFVF_STATUS_SUCCESS;
2206         struct qed_filter_ucast params;
2207         int rc;
2208
2209         /* Prepare the unicast filter params */
2210         memset(&params, 0, sizeof(struct qed_filter_ucast));
2211         req = &mbx->req_virt->ucast_filter;
2212         params.opcode = (enum qed_filter_opcode)req->opcode;
2213         params.type = (enum qed_filter_ucast_type)req->type;
2214
2215         params.is_rx_filter = 1;
2216         params.is_tx_filter = 1;
2217         params.vport_to_remove_from = vf->vport_id;
2218         params.vport_to_add_to = vf->vport_id;
2219         memcpy(params.mac, req->mac, ETH_ALEN);
2220         params.vlan = req->vlan;
2221
2222         DP_VERBOSE(p_hwfn,
2223                    QED_MSG_IOV,
2224                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2225                    vf->abs_vf_id, params.opcode, params.type,
2226                    params.is_rx_filter ? "RX" : "",
2227                    params.is_tx_filter ? "TX" : "",
2228                    params.vport_to_add_to,
2229                    params.mac[0], params.mac[1],
2230                    params.mac[2], params.mac[3],
2231                    params.mac[4], params.mac[5], params.vlan);
2232
2233         if (!vf->vport_instance) {
2234                 DP_VERBOSE(p_hwfn,
2235                            QED_MSG_IOV,
2236                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2237                            vf->abs_vf_id);
2238                 status = PFVF_STATUS_FAILURE;
2239                 goto out;
2240         }
2241
2242         /* Update shadow copy of the VF configuration */
2243         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2244                 status = PFVF_STATUS_FAILURE;
2245                 goto out;
2246         }
2247
2248         /* Determine if the unicast filtering is acceptible by PF */
2249         if ((p_bulletin->valid_bitmap & (1 << VLAN_ADDR_FORCED)) &&
2250             (params.type == QED_FILTER_VLAN ||
2251              params.type == QED_FILTER_MAC_VLAN)) {
2252                 /* Once VLAN is forced or PVID is set, do not allow
2253                  * to add/replace any further VLANs.
2254                  */
2255                 if (params.opcode == QED_FILTER_ADD ||
2256                     params.opcode == QED_FILTER_REPLACE)
2257                         status = PFVF_STATUS_FORCED;
2258                 goto out;
2259         }
2260
2261         if ((p_bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) &&
2262             (params.type == QED_FILTER_MAC ||
2263              params.type == QED_FILTER_MAC_VLAN)) {
2264                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2265                     (params.opcode != QED_FILTER_ADD &&
2266                      params.opcode != QED_FILTER_REPLACE))
2267                         status = PFVF_STATUS_FORCED;
2268                 goto out;
2269         }
2270
2271         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2272         if (rc) {
2273                 status = PFVF_STATUS_FAILURE;
2274                 goto out;
2275         }
2276
2277         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2278                                      QED_SPQ_MODE_CB, NULL);
2279         if (rc)
2280                 status = PFVF_STATUS_FAILURE;
2281
2282 out:
2283         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2284                              sizeof(struct pfvf_def_resp_tlv), status);
2285 }
2286
2287 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2288                                        struct qed_ptt *p_ptt,
2289                                        struct qed_vf_info *vf)
2290 {
2291         int i;
2292
2293         /* Reset the SBs */
2294         for (i = 0; i < vf->num_sbs; i++)
2295                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2296                                                 vf->igu_sbs[i],
2297                                                 vf->opaque_fid, false);
2298
2299         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2300                              sizeof(struct pfvf_def_resp_tlv),
2301                              PFVF_STATUS_SUCCESS);
2302 }
2303
2304 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2305                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2306 {
2307         u16 length = sizeof(struct pfvf_def_resp_tlv);
2308         u8 status = PFVF_STATUS_SUCCESS;
2309
2310         /* Disable Interrupts for VF */
2311         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2312
2313         /* Reset Permission table */
2314         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2315
2316         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2317                              length, status);
2318 }
2319
2320 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2321                                    struct qed_ptt *p_ptt,
2322                                    struct qed_vf_info *p_vf)
2323 {
2324         u16 length = sizeof(struct pfvf_def_resp_tlv);
2325
2326         qed_iov_vf_cleanup(p_hwfn, p_vf);
2327
2328         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
2329                              length, PFVF_STATUS_SUCCESS);
2330 }
2331
2332 static int
2333 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2334                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2335 {
2336         int cnt;
2337         u32 val;
2338
2339         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2340
2341         for (cnt = 0; cnt < 50; cnt++) {
2342                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2343                 if (!val)
2344                         break;
2345                 msleep(20);
2346         }
2347         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2348
2349         if (cnt == 50) {
2350                 DP_ERR(p_hwfn,
2351                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2352                        p_vf->abs_vf_id, val);
2353                 return -EBUSY;
2354         }
2355
2356         return 0;
2357 }
2358
2359 static int
2360 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2361                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2362 {
2363         u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2364         int i, cnt;
2365
2366         /* Read initial consumers & producers */
2367         for (i = 0; i < MAX_NUM_VOQS; i++) {
2368                 u32 prod;
2369
2370                 cons[i] = qed_rd(p_hwfn, p_ptt,
2371                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2372                                  i * 0x40);
2373                 prod = qed_rd(p_hwfn, p_ptt,
2374                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2375                               i * 0x40);
2376                 distance[i] = prod - cons[i];
2377         }
2378
2379         /* Wait for consumers to pass the producers */
2380         i = 0;
2381         for (cnt = 0; cnt < 50; cnt++) {
2382                 for (; i < MAX_NUM_VOQS; i++) {
2383                         u32 tmp;
2384
2385                         tmp = qed_rd(p_hwfn, p_ptt,
2386                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2387                                      i * 0x40);
2388                         if (distance[i] > tmp - cons[i])
2389                                 break;
2390                 }
2391
2392                 if (i == MAX_NUM_VOQS)
2393                         break;
2394
2395                 msleep(20);
2396         }
2397
2398         if (cnt == 50) {
2399                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2400                        p_vf->abs_vf_id, i);
2401                 return -EBUSY;
2402         }
2403
2404         return 0;
2405 }
2406
2407 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2408                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2409 {
2410         int rc;
2411
2412         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2413         if (rc)
2414                 return rc;
2415
2416         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2417         if (rc)
2418                 return rc;
2419
2420         return 0;
2421 }
2422
2423 static int
2424 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2425                                struct qed_ptt *p_ptt,
2426                                u16 rel_vf_id, u32 *ack_vfs)
2427 {
2428         struct qed_vf_info *p_vf;
2429         int rc = 0;
2430
2431         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2432         if (!p_vf)
2433                 return 0;
2434
2435         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2436             (1ULL << (rel_vf_id % 64))) {
2437                 u16 vfid = p_vf->abs_vf_id;
2438
2439                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2440                            "VF[%d] - Handling FLR\n", vfid);
2441
2442                 qed_iov_vf_cleanup(p_hwfn, p_vf);
2443
2444                 /* If VF isn't active, no need for anything but SW */
2445                 if (!p_vf->b_init)
2446                         goto cleanup;
2447
2448                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2449                 if (rc)
2450                         goto cleanup;
2451
2452                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2453                 if (rc) {
2454                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2455                         return rc;
2456                 }
2457
2458                 /* VF_STOPPED has to be set only after final cleanup
2459                  * but prior to re-enabling the VF.
2460                  */
2461                 p_vf->state = VF_STOPPED;
2462
2463                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2464                 if (rc) {
2465                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2466                                vfid);
2467                         return rc;
2468                 }
2469 cleanup:
2470                 /* Mark VF for ack and clean pending state */
2471                 if (p_vf->state == VF_RESET)
2472                         p_vf->state = VF_STOPPED;
2473                 ack_vfs[vfid / 32] |= (1 << (vfid % 32));
2474                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2475                     ~(1ULL << (rel_vf_id % 64));
2476                 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2477                     ~(1ULL << (rel_vf_id % 64));
2478         }
2479
2480         return rc;
2481 }
2482
2483 int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2484 {
2485         u32 ack_vfs[VF_MAX_STATIC / 32];
2486         int rc = 0;
2487         u16 i;
2488
2489         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2490
2491         /* Since BRB <-> PRS interface can't be tested as part of the flr
2492          * polling due to HW limitations, simply sleep a bit. And since
2493          * there's no need to wait per-vf, do it before looping.
2494          */
2495         msleep(100);
2496
2497         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2498                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2499
2500         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2501         return rc;
2502 }
2503
2504 int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2505 {
2506         u16 i, found = 0;
2507
2508         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2509         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2510                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2511                            "[%08x,...,%08x]: %08x\n",
2512                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2513
2514         if (!p_hwfn->cdev->p_iov_info) {
2515                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2516                 return 0;
2517         }
2518
2519         /* Mark VFs */
2520         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2521                 struct qed_vf_info *p_vf;
2522                 u8 vfid;
2523
2524                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2525                 if (!p_vf)
2526                         continue;
2527
2528                 vfid = p_vf->abs_vf_id;
2529                 if ((1 << (vfid % 32)) & p_disabled_vfs[vfid / 32]) {
2530                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2531                         u16 rel_vf_id = p_vf->relative_vf_id;
2532
2533                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2534                                    "VF[%d] [rel %d] got FLR-ed\n",
2535                                    vfid, rel_vf_id);
2536
2537                         p_vf->state = VF_RESET;
2538
2539                         /* No need to lock here, since pending_flr should
2540                          * only change here and before ACKing MFw. Since
2541                          * MFW will not trigger an additional attention for
2542                          * VF flr until ACKs, we're safe.
2543                          */
2544                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2545                         found = 1;
2546                 }
2547         }
2548
2549         return found;
2550 }
2551
2552 void qed_iov_set_link(struct qed_hwfn *p_hwfn,
2553                       u16 vfid,
2554                       struct qed_mcp_link_params *params,
2555                       struct qed_mcp_link_state *link,
2556                       struct qed_mcp_link_capabilities *p_caps)
2557 {
2558         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2559                                                        vfid,
2560                                                        false);
2561         struct qed_bulletin_content *p_bulletin;
2562
2563         if (!p_vf)
2564                 return;
2565
2566         p_bulletin = p_vf->bulletin.p_virt;
2567         p_bulletin->req_autoneg = params->speed.autoneg;
2568         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
2569         p_bulletin->req_forced_speed = params->speed.forced_speed;
2570         p_bulletin->req_autoneg_pause = params->pause.autoneg;
2571         p_bulletin->req_forced_rx = params->pause.forced_rx;
2572         p_bulletin->req_forced_tx = params->pause.forced_tx;
2573         p_bulletin->req_loopback = params->loopback_mode;
2574
2575         p_bulletin->link_up = link->link_up;
2576         p_bulletin->speed = link->speed;
2577         p_bulletin->full_duplex = link->full_duplex;
2578         p_bulletin->autoneg = link->an;
2579         p_bulletin->autoneg_complete = link->an_complete;
2580         p_bulletin->parallel_detection = link->parallel_detection;
2581         p_bulletin->pfc_enabled = link->pfc_enabled;
2582         p_bulletin->partner_adv_speed = link->partner_adv_speed;
2583         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
2584         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
2585         p_bulletin->partner_adv_pause = link->partner_adv_pause;
2586         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
2587
2588         p_bulletin->capability_speed = p_caps->speed_capabilities;
2589 }
2590
2591 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2592                                     struct qed_ptt *p_ptt, int vfid)
2593 {
2594         struct qed_iov_vf_mbx *mbx;
2595         struct qed_vf_info *p_vf;
2596         int i;
2597
2598         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2599         if (!p_vf)
2600                 return;
2601
2602         mbx = &p_vf->vf_mbx;
2603
2604         /* qed_iov_process_mbx_request */
2605         DP_VERBOSE(p_hwfn,
2606                    QED_MSG_IOV,
2607                    "qed_iov_process_mbx_req vfid %d\n", p_vf->abs_vf_id);
2608
2609         mbx->first_tlv = mbx->req_virt->first_tlv;
2610
2611         /* check if tlv type is known */
2612         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
2613                 switch (mbx->first_tlv.tl.type) {
2614                 case CHANNEL_TLV_ACQUIRE:
2615                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2616                         break;
2617                 case CHANNEL_TLV_VPORT_START:
2618                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2619                         break;
2620                 case CHANNEL_TLV_VPORT_TEARDOWN:
2621                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2622                         break;
2623                 case CHANNEL_TLV_START_RXQ:
2624                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2625                         break;
2626                 case CHANNEL_TLV_START_TXQ:
2627                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2628                         break;
2629                 case CHANNEL_TLV_STOP_RXQS:
2630                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2631                         break;
2632                 case CHANNEL_TLV_STOP_TXQS:
2633                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2634                         break;
2635                 case CHANNEL_TLV_UPDATE_RXQ:
2636                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2637                         break;
2638                 case CHANNEL_TLV_VPORT_UPDATE:
2639                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2640                         break;
2641                 case CHANNEL_TLV_UCAST_FILTER:
2642                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2643                         break;
2644                 case CHANNEL_TLV_CLOSE:
2645                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2646                         break;
2647                 case CHANNEL_TLV_INT_CLEANUP:
2648                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2649                         break;
2650                 case CHANNEL_TLV_RELEASE:
2651                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2652                         break;
2653                 }
2654         } else {
2655                 /* unknown TLV - this may belong to a VF driver from the future
2656                  * - a version written after this PF driver was written, which
2657                  * supports features unknown as of yet. Too bad since we don't
2658                  * support them. Or this may be because someone wrote a crappy
2659                  * VF driver and is sending garbage over the channel.
2660                  */
2661                 DP_ERR(p_hwfn,
2662                        "unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n",
2663                        mbx->first_tlv.tl.type, mbx->first_tlv.tl.length);
2664
2665                 for (i = 0; i < 20; i++) {
2666                         DP_VERBOSE(p_hwfn,
2667                                    QED_MSG_IOV,
2668                                    "%x ",
2669                                    mbx->req_virt->tlv_buf_size.tlv_buffer[i]);
2670                 }
2671         }
2672 }
2673
2674 void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
2675 {
2676         u64 add_bit = 1ULL << (vfid % 64);
2677
2678         p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
2679 }
2680
2681 static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
2682                                                     u64 *events)
2683 {
2684         u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
2685
2686         memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2687         memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2688 }
2689
2690 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
2691                               u16 abs_vfid, struct regpair *vf_msg)
2692 {
2693         u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
2694         struct qed_vf_info *p_vf;
2695
2696         if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
2697                 DP_VERBOSE(p_hwfn,
2698                            QED_MSG_IOV,
2699                            "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
2700                            abs_vfid);
2701                 return 0;
2702         }
2703         p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
2704
2705         /* List the physical address of the request so that handler
2706          * could later on copy the message from it.
2707          */
2708         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
2709
2710         /* Mark the event and schedule the workqueue */
2711         qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
2712         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
2713
2714         return 0;
2715 }
2716
2717 int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
2718                         u8 opcode, __le16 echo, union event_ring_data *data)
2719 {
2720         switch (opcode) {
2721         case COMMON_EVENT_VF_PF_CHANNEL:
2722                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
2723                                           &data->vf_pf_channel.msg_addr);
2724         default:
2725                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
2726                         opcode);
2727                 return -EINVAL;
2728         }
2729 }
2730
2731 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2732 {
2733         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
2734         u16 i;
2735
2736         if (!p_iov)
2737                 goto out;
2738
2739         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
2740                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
2741                         return i;
2742
2743 out:
2744         return MAX_NUM_VFS;
2745 }
2746
2747 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
2748                                int vfid)
2749 {
2750         struct qed_dmae_params params;
2751         struct qed_vf_info *vf_info;
2752
2753         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2754         if (!vf_info)
2755                 return -EINVAL;
2756
2757         memset(&params, 0, sizeof(struct qed_dmae_params));
2758         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
2759         params.src_vfid = vf_info->abs_vf_id;
2760
2761         if (qed_dmae_host2host(p_hwfn, ptt,
2762                                vf_info->vf_mbx.pending_req,
2763                                vf_info->vf_mbx.req_phys,
2764                                sizeof(union vfpf_tlvs) / 4, &params)) {
2765                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2766                            "Failed to copy message from VF 0x%02x\n", vfid);
2767
2768                 return -EIO;
2769         }
2770
2771         return 0;
2772 }
2773
2774 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
2775                                             u8 *mac, int vfid)
2776 {
2777         struct qed_vf_info *vf_info;
2778         u64 feature;
2779
2780         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2781         if (!vf_info) {
2782                 DP_NOTICE(p_hwfn->cdev,
2783                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2784                 return;
2785         }
2786
2787         feature = 1 << MAC_ADDR_FORCED;
2788         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
2789
2790         vf_info->bulletin.p_virt->valid_bitmap |= feature;
2791         /* Forced MAC will disable MAC_ADDR */
2792         vf_info->bulletin.p_virt->valid_bitmap &=
2793                                 ~(1 << VFPF_BULLETIN_MAC_ADDR);
2794
2795         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2796 }
2797
2798 void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
2799                                       u16 pvid, int vfid)
2800 {
2801         struct qed_vf_info *vf_info;
2802         u64 feature;
2803
2804         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2805         if (!vf_info) {
2806                 DP_NOTICE(p_hwfn->cdev,
2807                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2808                 return;
2809         }
2810
2811         feature = 1 << VLAN_ADDR_FORCED;
2812         vf_info->bulletin.p_virt->pvid = pvid;
2813         if (pvid)
2814                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
2815         else
2816                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
2817
2818         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2819 }
2820
2821 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
2822 {
2823         struct qed_vf_info *p_vf_info;
2824
2825         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2826         if (!p_vf_info)
2827                 return false;
2828
2829         return !!p_vf_info->vport_instance;
2830 }
2831
2832 bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
2833 {
2834         struct qed_vf_info *p_vf_info;
2835
2836         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2837         if (!p_vf_info)
2838                 return true;
2839
2840         return p_vf_info->state == VF_STOPPED;
2841 }
2842
2843 int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
2844 {
2845         struct qed_vf_info *vf;
2846         int rc = -EINVAL;
2847
2848         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2849                 DP_NOTICE(p_hwfn,
2850                           "SR-IOV sanity check failed, can't set spoofchk\n");
2851                 goto out;
2852         }
2853
2854         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2855         if (!vf)
2856                 goto out;
2857
2858         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
2859                 /* After VF VPORT start PF will configure spoof check */
2860                 vf->req_spoofchk_val = val;
2861                 rc = 0;
2862                 goto out;
2863         }
2864
2865         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
2866
2867 out:
2868         return rc;
2869 }
2870
2871 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
2872                                            u16 rel_vf_id)
2873 {
2874         struct qed_vf_info *p_vf;
2875
2876         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2877         if (!p_vf || !p_vf->bulletin.p_virt)
2878                 return NULL;
2879
2880         if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED)))
2881                 return NULL;
2882
2883         return p_vf->bulletin.p_virt->mac;
2884 }
2885
2886 u16 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2887 {
2888         struct qed_vf_info *p_vf;
2889
2890         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2891         if (!p_vf || !p_vf->bulletin.p_virt)
2892                 return 0;
2893
2894         if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED)))
2895                 return 0;
2896
2897         return p_vf->bulletin.p_virt->pvid;
2898 }
2899
2900 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
2901                                      struct qed_ptt *p_ptt, int vfid, int val)
2902 {
2903         struct qed_vf_info *vf;
2904         u8 abs_vp_id = 0;
2905         int rc;
2906
2907         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2908         if (!vf)
2909                 return -EINVAL;
2910
2911         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
2912         if (rc)
2913                 return rc;
2914
2915         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
2916 }
2917
2918 int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
2919 {
2920         struct qed_vf_info *vf;
2921         u8 vport_id;
2922         int i;
2923
2924         for_each_hwfn(cdev, i) {
2925                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2926
2927                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2928                         DP_NOTICE(p_hwfn,
2929                                   "SR-IOV sanity check failed, can't set min rate\n");
2930                         return -EINVAL;
2931                 }
2932         }
2933
2934         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
2935         vport_id = vf->vport_id;
2936
2937         return qed_configure_vport_wfq(cdev, vport_id, rate);
2938 }
2939
2940 /**
2941  * qed_schedule_iov - schedules IOV task for VF and PF
2942  * @hwfn: hardware function pointer
2943  * @flag: IOV flag for VF/PF
2944  */
2945 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
2946 {
2947         smp_mb__before_atomic();
2948         set_bit(flag, &hwfn->iov_task_flags);
2949         smp_mb__after_atomic();
2950         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
2951         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
2952 }
2953
2954 void qed_vf_start_iov_wq(struct qed_dev *cdev)
2955 {
2956         int i;
2957
2958         for_each_hwfn(cdev, i)
2959             queue_delayed_work(cdev->hwfns[i].iov_wq,
2960                                &cdev->hwfns[i].iov_task, 0);
2961 }
2962
2963 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
2964 {
2965         int i, j;
2966
2967         for_each_hwfn(cdev, i)
2968             if (cdev->hwfns[i].iov_wq)
2969                 flush_workqueue(cdev->hwfns[i].iov_wq);
2970
2971         /* Mark VFs for disablement */
2972         qed_iov_set_vfs_to_disable(cdev, true);
2973
2974         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
2975                 pci_disable_sriov(cdev->pdev);
2976
2977         for_each_hwfn(cdev, i) {
2978                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
2979                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
2980
2981                 /* Failure to acquire the ptt in 100g creates an odd error
2982                  * where the first engine has already relased IOV.
2983                  */
2984                 if (!ptt) {
2985                         DP_ERR(hwfn, "Failed to acquire ptt\n");
2986                         return -EBUSY;
2987                 }
2988
2989                 /* Clean WFQ db and configure equal weight for all vports */
2990                 qed_clean_wfq_db(hwfn, ptt);
2991
2992                 qed_for_each_vf(hwfn, j) {
2993                         int k;
2994
2995                         if (!qed_iov_is_valid_vfid(hwfn, j, true))
2996                                 continue;
2997
2998                         /* Wait until VF is disabled before releasing */
2999                         for (k = 0; k < 100; k++) {
3000                                 if (!qed_iov_is_vf_stopped(hwfn, j))
3001                                         msleep(20);
3002                                 else
3003                                         break;
3004                         }
3005
3006                         if (k < 100)
3007                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3008                                                           ptt, j);
3009                         else
3010                                 DP_ERR(hwfn,
3011                                        "Timeout waiting for VF's FLR to end\n");
3012                 }
3013
3014                 qed_ptt_release(hwfn, ptt);
3015         }
3016
3017         qed_iov_set_vfs_to_disable(cdev, false);
3018
3019         return 0;
3020 }
3021
3022 static int qed_sriov_enable(struct qed_dev *cdev, int num)
3023 {
3024         struct qed_sb_cnt_info sb_cnt_info;
3025         int i, j, rc;
3026
3027         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3028                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3029                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3030                 return -EINVAL;
3031         }
3032
3033         /* Initialize HW for VF access */
3034         for_each_hwfn(cdev, j) {
3035                 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3036                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3037                 int num_sbs = 0, limit = 16;
3038
3039                 if (!ptt) {
3040                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3041                         rc = -EBUSY;
3042                         goto err;
3043                 }
3044
3045                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3046                 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3047                 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3048
3049                 for (i = 0; i < num; i++) {
3050                         if (!qed_iov_is_valid_vfid(hwfn, i, false))
3051                                 continue;
3052
3053                         rc = qed_iov_init_hw_for_vf(hwfn,
3054                                                     ptt, i, num_sbs / num);
3055                         if (rc) {
3056                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3057                                 qed_ptt_release(hwfn, ptt);
3058                                 goto err;
3059                         }
3060                 }
3061
3062                 qed_ptt_release(hwfn, ptt);
3063         }
3064
3065         /* Enable SRIOV PCIe functions */
3066         rc = pci_enable_sriov(cdev->pdev, num);
3067         if (rc) {
3068                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3069                 goto err;
3070         }
3071
3072         return num;
3073
3074 err:
3075         qed_sriov_disable(cdev, false);
3076         return rc;
3077 }
3078
3079 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3080 {
3081         if (!IS_QED_SRIOV(cdev)) {
3082                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3083                 return -EOPNOTSUPP;
3084         }
3085
3086         if (num_vfs_param)
3087                 return qed_sriov_enable(cdev, num_vfs_param);
3088         else
3089                 return qed_sriov_disable(cdev, true);
3090 }
3091
3092 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3093 {
3094         int i;
3095
3096         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3097                 DP_VERBOSE(cdev, QED_MSG_IOV,
3098                            "Cannot set a VF MAC; Sriov is not enabled\n");
3099                 return -EINVAL;
3100         }
3101
3102         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3103                 DP_VERBOSE(cdev, QED_MSG_IOV,
3104                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3105                 return -EINVAL;
3106         }
3107
3108         for_each_hwfn(cdev, i) {
3109                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3110                 struct qed_public_vf_info *vf_info;
3111
3112                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3113                 if (!vf_info)
3114                         continue;
3115
3116                 /* Set the forced MAC, and schedule the IOV task */
3117                 ether_addr_copy(vf_info->forced_mac, mac);
3118                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3119         }
3120
3121         return 0;
3122 }
3123
3124 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3125 {
3126         int i;
3127
3128         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3129                 DP_VERBOSE(cdev, QED_MSG_IOV,
3130                            "Cannot set a VF MAC; Sriov is not enabled\n");
3131                 return -EINVAL;
3132         }
3133
3134         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3135                 DP_VERBOSE(cdev, QED_MSG_IOV,
3136                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3137                 return -EINVAL;
3138         }
3139
3140         for_each_hwfn(cdev, i) {
3141                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3142                 struct qed_public_vf_info *vf_info;
3143
3144                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3145                 if (!vf_info)
3146                         continue;
3147
3148                 /* Set the forced vlan, and schedule the IOV task */
3149                 vf_info->forced_vlan = vid;
3150                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3151         }
3152
3153         return 0;
3154 }
3155
3156 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3157 {
3158         struct qed_mcp_link_capabilities caps;
3159         struct qed_mcp_link_params params;
3160         struct qed_mcp_link_state link;
3161         int i;
3162
3163         if (!hwfn->pf_iov_info)
3164                 return;
3165
3166         /* Update bulletin of all future possible VFs with link configuration */
3167         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
3168                 struct qed_public_vf_info *vf_info;
3169
3170                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3171                 if (!vf_info)
3172                         continue;
3173
3174                 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3175                 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3176                 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3177                        sizeof(caps));
3178
3179                 /* Modify link according to the VF's configured link state */
3180                 switch (vf_info->link_state) {
3181                 case IFLA_VF_LINK_STATE_DISABLE:
3182                         link.link_up = false;
3183                         break;
3184                 case IFLA_VF_LINK_STATE_ENABLE:
3185                         link.link_up = true;
3186                         /* Set speed according to maximum supported by HW.
3187                          * that is 40G for regular devices and 100G for CMT
3188                          * mode devices.
3189                          */
3190                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
3191                                      100000 : 40000;
3192                 default:
3193                         /* In auto mode pass PF link image to VF */
3194                         break;
3195                 }
3196
3197                 if (link.link_up && vf_info->tx_rate) {
3198                         struct qed_ptt *ptt;
3199                         int rate;
3200
3201                         rate = min_t(int, vf_info->tx_rate, link.speed);
3202
3203                         ptt = qed_ptt_acquire(hwfn);
3204                         if (!ptt) {
3205                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3206                                 return;
3207                         }
3208
3209                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3210                                 vf_info->tx_rate = rate;
3211                                 link.speed = rate;
3212                         }
3213
3214                         qed_ptt_release(hwfn, ptt);
3215                 }
3216
3217                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3218         }
3219
3220         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3221 }
3222
3223 static int qed_set_vf_link_state(struct qed_dev *cdev,
3224                                  int vf_id, int link_state)
3225 {
3226         int i;
3227
3228         /* Sanitize request */
3229         if (IS_VF(cdev))
3230                 return -EINVAL;
3231
3232         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3233                 DP_VERBOSE(cdev, QED_MSG_IOV,
3234                            "VF index [%d] isn't active\n", vf_id);
3235                 return -EINVAL;
3236         }
3237
3238         /* Handle configuration of link state */
3239         for_each_hwfn(cdev, i) {
3240                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3241                 struct qed_public_vf_info *vf;
3242
3243                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3244                 if (!vf)
3245                         continue;
3246
3247                 if (vf->link_state == link_state)
3248                         continue;
3249
3250                 vf->link_state = link_state;
3251                 qed_inform_vf_link_state(&cdev->hwfns[i]);
3252         }
3253
3254         return 0;
3255 }
3256
3257 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3258 {
3259         int i, rc = -EINVAL;
3260
3261         for_each_hwfn(cdev, i) {
3262                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3263
3264                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3265                 if (rc)
3266                         break;
3267         }
3268
3269         return rc;
3270 }
3271
3272 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3273 {
3274         int i;
3275
3276         for_each_hwfn(cdev, i) {
3277                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3278                 struct qed_public_vf_info *vf;
3279
3280                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3281                         DP_NOTICE(p_hwfn,
3282                                   "SR-IOV sanity check failed, can't set tx rate\n");
3283                         return -EINVAL;
3284                 }
3285
3286                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3287
3288                 vf->tx_rate = rate;
3289
3290                 qed_inform_vf_link_state(p_hwfn);
3291         }
3292
3293         return 0;
3294 }
3295
3296 static int qed_set_vf_rate(struct qed_dev *cdev,
3297                            int vfid, u32 min_rate, u32 max_rate)
3298 {
3299         int rc_min = 0, rc_max = 0;
3300
3301         if (max_rate)
3302                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3303
3304         if (min_rate)
3305                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3306
3307         if (rc_max | rc_min)
3308                 return -EINVAL;
3309
3310         return 0;
3311 }
3312
3313 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3314 {
3315         u64 events[QED_VF_ARRAY_LENGTH];
3316         struct qed_ptt *ptt;
3317         int i;
3318
3319         ptt = qed_ptt_acquire(hwfn);
3320         if (!ptt) {
3321                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3322                            "Can't acquire PTT; re-scheduling\n");
3323                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3324                 return;
3325         }
3326
3327         qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3328
3329         DP_VERBOSE(hwfn, QED_MSG_IOV,
3330                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3331                    events[0], events[1], events[2]);
3332
3333         qed_for_each_vf(hwfn, i) {
3334                 /* Skip VFs with no pending messages */
3335                 if (!(events[i / 64] & (1ULL << (i % 64))))
3336                         continue;
3337
3338                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3339                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3340                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3341
3342                 /* Copy VF's message to PF's request buffer for that VF */
3343                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3344                         continue;
3345
3346                 qed_iov_process_mbx_req(hwfn, ptt, i);
3347         }
3348
3349         qed_ptt_release(hwfn, ptt);
3350 }
3351
3352 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3353 {
3354         int i;
3355
3356         qed_for_each_vf(hwfn, i) {
3357                 struct qed_public_vf_info *info;
3358                 bool update = false;
3359                 u8 *mac;
3360
3361                 info = qed_iov_get_public_vf_info(hwfn, i, true);
3362                 if (!info)
3363                         continue;
3364
3365                 /* Update data on bulletin board */
3366                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3367                 if (is_valid_ether_addr(info->forced_mac) &&
3368                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3369                         DP_VERBOSE(hwfn,
3370                                    QED_MSG_IOV,
3371                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3372                                    i,
3373                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3374
3375                         /* Update bulletin board with forced MAC */
3376                         qed_iov_bulletin_set_forced_mac(hwfn,
3377                                                         info->forced_mac, i);
3378                         update = true;
3379                 }
3380
3381                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3382                     info->forced_vlan) {
3383                         DP_VERBOSE(hwfn,
3384                                    QED_MSG_IOV,
3385                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3386                                    info->forced_vlan,
3387                                    i,
3388                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3389                         qed_iov_bulletin_set_forced_vlan(hwfn,
3390                                                          info->forced_vlan, i);
3391                         update = true;
3392                 }
3393
3394                 if (update)
3395                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3396         }
3397 }
3398
3399 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3400 {
3401         struct qed_ptt *ptt;
3402         int i;
3403
3404         ptt = qed_ptt_acquire(hwfn);
3405         if (!ptt) {
3406                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3407                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3408                 return;
3409         }
3410
3411         qed_for_each_vf(hwfn, i)
3412             qed_iov_post_vf_bulletin(hwfn, i, ptt);
3413
3414         qed_ptt_release(hwfn, ptt);
3415 }
3416
3417 void qed_iov_pf_task(struct work_struct *work)
3418 {
3419         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3420                                              iov_task.work);
3421         int rc;
3422
3423         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3424                 return;
3425
3426         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3427                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3428
3429                 if (!ptt) {
3430                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3431                         return;
3432                 }
3433
3434                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3435                 if (rc)
3436                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3437
3438                 qed_ptt_release(hwfn, ptt);
3439         }
3440
3441         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3442                 qed_handle_vf_msg(hwfn);
3443
3444         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3445                                &hwfn->iov_task_flags))
3446                 qed_handle_pf_set_vf_unicast(hwfn);
3447
3448         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3449                                &hwfn->iov_task_flags))
3450                 qed_handle_bulletin_post(hwfn);
3451 }
3452
3453 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3454 {
3455         int i;
3456
3457         for_each_hwfn(cdev, i) {
3458                 if (!cdev->hwfns[i].iov_wq)
3459                         continue;
3460
3461                 if (schedule_first) {
3462                         qed_schedule_iov(&cdev->hwfns[i],
3463                                          QED_IOV_WQ_STOP_WQ_FLAG);
3464                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3465                 }
3466
3467                 flush_workqueue(cdev->hwfns[i].iov_wq);
3468                 destroy_workqueue(cdev->hwfns[i].iov_wq);
3469         }
3470 }
3471
3472 int qed_iov_wq_start(struct qed_dev *cdev)
3473 {
3474         char name[NAME_SIZE];
3475         int i;
3476
3477         for_each_hwfn(cdev, i) {
3478                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3479
3480                 /* PFs needs a dedicated workqueue only if they support IOV.
3481                  * VFs always require one.
3482                  */
3483                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
3484                         continue;
3485
3486                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3487                          cdev->pdev->bus->number,
3488                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3489
3490                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3491                 if (!p_hwfn->iov_wq) {
3492                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3493                         return -ENOMEM;
3494                 }
3495
3496                 if (IS_PF(cdev))
3497                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3498                 else
3499                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
3500         }
3501
3502         return 0;
3503 }
3504
3505 const struct qed_iov_hv_ops qed_iov_ops_pass = {
3506         .configure = &qed_sriov_configure,
3507         .set_mac = &qed_sriov_pf_set_mac,
3508         .set_vlan = &qed_sriov_pf_set_vlan,
3509         .set_link_state = &qed_set_vf_link_state,
3510         .set_spoof = &qed_spoof_configure,
3511         .set_rate = &qed_set_vf_rate,
3512 };