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_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 480             !IS_PF_SRIOV_ALLOC(p_hwfn))
 481                 return false;
 482
 483         /* Check VF validity */
 484         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true))
 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         int i;
 530
 531         /* Set VF masks and configuration - pretend */
 532         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 533
 534         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 535
 536         /* unpretend */
 537         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 538
 539         /* iterate over all queues, clear sb consumer */
 540         for (i = 0; i < vf->num_sbs; i++)
 541                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 542                                                 vf->igu_sbs[i],
 543                                                 vf->opaque_fid, true);
 544 }
 545
 546 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 547                                    struct qed_ptt *p_ptt,
 548                                    struct qed_vf_info *vf, bool enable)
 549 {
 550         u32 igu_vf_conf;
 551
 552         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 553
 554         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 555
 556         if (enable)
 557                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 558         else
 559                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 560
 561         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 562
 563         /* unpretend */
 564         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 565 }
 566
 567 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 568                                     struct qed_ptt *p_ptt,
 569                                     struct qed_vf_info *vf)
 570 {
 571         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 572         int rc;
 573
 574         if (vf->to_disable)
 575                 return 0;
 576
 577         DP_VERBOSE(p_hwfn,
 578                    QED_MSG_IOV,
 579                    "Enable internal access for vf %x [abs %x]\n",
 580                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 581
 582         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 583
 584         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 585
 586         rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
 587         if (rc)
 588                 return rc;
 589
 590         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 591
 592         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 593         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 594
 595         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 596                      p_hwfn->hw_info.hw_mode);
 597
 598         /* unpretend */
 599         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 600
 601         if (vf->state != VF_STOPPED) {
 602                 DP_NOTICE(p_hwfn, "VF[%02x] is already started\n",
 603                           vf->abs_vf_id);
 604                 return -EINVAL;
 605         }
 606
 607         /* Start VF */
 608         rc = qed_sp_vf_start(p_hwfn, vf->concrete_fid, vf->opaque_fid);
 609         if (rc)
 610                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
 611
 612         vf->state = VF_FREE;
 613
 614         return rc;
 615 }
 616
 617 /**
 618  * @brief qed_iov_config_perm_table - configure the permission
 619  *      zone table.
 620  *      In E4, queue zone permission table size is 320x9. There
 621  *      are 320 VF queues for single engine device (256 for dual
 622  *      engine device), and each entry has the following format:
 623  *      {Valid, VF[7:0]}
 624  * @param p_hwfn
 625  * @param p_ptt
 626  * @param vf
 627  * @param enable
 628  */
 629 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 630                                       struct qed_ptt *p_ptt,
 631                                       struct qed_vf_info *vf, u8 enable)
 632 {
 633         u32 reg_addr, val;
 634         u16 qzone_id = 0;
 635         int qid;
 636
 637         for (qid = 0; qid < vf->num_rxqs; qid++) {
 638                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 639                                 &qzone_id);
 640
 641                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 642                 val = enable ? (vf->abs_vf_id | (1 << 8)) : 0;
 643                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 644         }
 645 }
 646
 647 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 648                                       struct qed_ptt *p_ptt,
 649                                       struct qed_vf_info *vf)
 650 {
 651         /* Reset vf in IGU - interrupts are still disabled */
 652         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 653
 654         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 655
 656         /* Permission Table */
 657         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 658 }
 659
 660 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 661                                    struct qed_ptt *p_ptt,
 662                                    struct qed_vf_info *vf, u16 num_rx_queues)
 663 {
 664         struct qed_igu_block *igu_blocks;
 665         int qid = 0, igu_id = 0;
 666         u32 val = 0;
 667
 668         igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
 669
 670         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
 671                 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
 672         p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
 673
 674         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 675         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 676         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 677
 678         while ((qid < num_rx_queues) &&
 679                (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
 680                 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
 681                         struct cau_sb_entry sb_entry;
 682
 683                         vf->igu_sbs[qid] = (u16)igu_id;
 684                         igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
 685
 686                         SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 687
 688                         qed_wr(p_hwfn, p_ptt,
 689                                IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
 690                                val);
 691
 692                         /* Configure igu sb in CAU which were marked valid */
 693                         qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 694                                               p_hwfn->rel_pf_id,
 695                                               vf->abs_vf_id, 1);
 696                         qed_dmae_host2grc(p_hwfn, p_ptt,
 697                                           (u64)(uintptr_t)&sb_entry,
 698                                           CAU_REG_SB_VAR_MEMORY +
 699                                           igu_id * sizeof(u64), 2, 0);
 700                         qid++;
 701                 }
 702                 igu_id++;
 703         }
 704
 705         vf->num_sbs = (u8) num_rx_queues;
 706
 707         return vf->num_sbs;
 708 }
 709
 710 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 711                                     struct qed_ptt *p_ptt,
 712                                     struct qed_vf_info *vf)
 713 {
 714         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 715         int idx, igu_id;
 716         u32 addr, val;
 717
 718         /* Invalidate igu CAM lines and mark them as free */
 719         for (idx = 0; idx < vf->num_sbs; idx++) {
 720                 igu_id = vf->igu_sbs[idx];
 721                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 722
 723                 val = qed_rd(p_hwfn, p_ptt, addr);
 724                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 725                 qed_wr(p_hwfn, p_ptt, addr, val);
 726
 727                 p_info->igu_map.igu_blocks[igu_id].status |=
 728                     QED_IGU_STATUS_FREE;
 729
 730                 p_hwfn->hw_info.p_igu_info->free_blks++;
 731         }
 732
 733         vf->num_sbs = 0;
 734 }
 735
 736 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 737                                   struct qed_ptt *p_ptt,
 738                                   u16 rel_vf_id, u16 num_rx_queues)
 739 {
 740         u8 num_of_vf_avaiable_chains = 0;
 741         struct qed_vf_info *vf = NULL;
 742         int rc = 0;
 743         u32 cids;
 744         u8 i;
 745
 746         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 747         if (!vf) {
 748                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 749                 return -EINVAL;
 750         }
 751
 752         if (vf->b_init) {
 753                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
 754                 return -EINVAL;
 755         }
 756
 757         /* Limit number of queues according to number of CIDs */
 758         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
 759         DP_VERBOSE(p_hwfn,
 760                    QED_MSG_IOV,
 761                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
 762                    vf->relative_vf_id, num_rx_queues, (u16) cids);
 763         num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
 764
 765         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
 766                                                              p_ptt,
 767                                                              vf,
 768                                                              num_rx_queues);
 769         if (!num_of_vf_avaiable_chains) {
 770                 DP_ERR(p_hwfn, "no available igu sbs\n");
 771                 return -ENOMEM;
 772         }
 773
 774         /* Choose queue number and index ranges */
 775         vf->num_rxqs = num_of_vf_avaiable_chains;
 776         vf->num_txqs = num_of_vf_avaiable_chains;
 777
 778         for (i = 0; i < vf->num_rxqs; i++) {
 779                 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
 780                                                            vf->igu_sbs[i]);
 781
 782                 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
 783                         DP_NOTICE(p_hwfn,
 784                                   "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
 785                                   vf->relative_vf_id, queue_id);
 786                         return -EINVAL;
 787                 }
 788
 789                 /* CIDs are per-VF, so no problem having them 0-based. */
 790                 vf->vf_queues[i].fw_rx_qid = queue_id;
 791                 vf->vf_queues[i].fw_tx_qid = queue_id;
 792                 vf->vf_queues[i].fw_cid = i;
 793
 794                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 795                            "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
 796                            vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
 797         }
 798         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
 799         if (!rc) {
 800                 vf->b_init = true;
 801
 802                 if (IS_LEAD_HWFN(p_hwfn))
 803                         p_hwfn->cdev->p_iov_info->num_vfs++;
 804         }
 805
 806         return rc;
 807 }
 808
 809 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 810                              u16 vfid,
 811                              struct qed_mcp_link_params *params,
 812                              struct qed_mcp_link_state *link,
 813                              struct qed_mcp_link_capabilities *p_caps)
 814 {
 815         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 816                                                        vfid,
 817                                                        false);
 818         struct qed_bulletin_content *p_bulletin;
 819
 820         if (!p_vf)
 821                 return;
 822
 823         p_bulletin = p_vf->bulletin.p_virt;
 824         p_bulletin->req_autoneg = params->speed.autoneg;
 825         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 826         p_bulletin->req_forced_speed = params->speed.forced_speed;
 827         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 828         p_bulletin->req_forced_rx = params->pause.forced_rx;
 829         p_bulletin->req_forced_tx = params->pause.forced_tx;
 830         p_bulletin->req_loopback = params->loopback_mode;
 831
 832         p_bulletin->link_up = link->link_up;
 833         p_bulletin->speed = link->speed;
 834         p_bulletin->full_duplex = link->full_duplex;
 835         p_bulletin->autoneg = link->an;
 836         p_bulletin->autoneg_complete = link->an_complete;
 837         p_bulletin->parallel_detection = link->parallel_detection;
 838         p_bulletin->pfc_enabled = link->pfc_enabled;
 839         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 840         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 841         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 842         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 843         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 844
 845         p_bulletin->capability_speed = p_caps->speed_capabilities;
 846 }
 847
 848 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
 849                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
 850 {
 851         struct qed_mcp_link_capabilities caps;
 852         struct qed_mcp_link_params params;
 853         struct qed_mcp_link_state link;
 854         struct qed_vf_info *vf = NULL;
 855         int rc = 0;
 856
 857         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
 858         if (!vf) {
 859                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
 860                 return -EINVAL;
 861         }
 862
 863         if (vf->bulletin.p_virt)
 864                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
 865
 866         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
 867
 868         /* Get the link configuration back in bulletin so
 869          * that when VFs are re-enabled they get the actual
 870          * link configuration.
 871          */
 872         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
 873         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
 874         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
 875         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
 876
 877         if (vf->state != VF_STOPPED) {
 878                 /* Stopping the VF */
 879                 rc = qed_sp_vf_stop(p_hwfn, vf->concrete_fid, vf->opaque_fid);
 880
 881                 if (rc != 0) {
 882                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
 883                                rc);
 884                         return rc;
 885                 }
 886
 887                 vf->state = VF_STOPPED;
 888         }
 889
 890         /* disablng interrupts and resetting permission table was done during
 891          * vf-close, however, we could get here without going through vf_close
 892          */
 893         /* Disable Interrupts for VF */
 894         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
 895
 896         /* Reset Permission table */
 897         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
 898
 899         vf->num_rxqs = 0;
 900         vf->num_txqs = 0;
 901         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
 902
 903         if (vf->b_init) {
 904                 vf->b_init = false;
 905
 906                 if (IS_LEAD_HWFN(p_hwfn))
 907                         p_hwfn->cdev->p_iov_info->num_vfs--;
 908         }
 909
 910         return 0;
 911 }
 912
 913 static bool qed_iov_tlv_supported(u16 tlvtype)
 914 {
 915         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
 916 }
 917
 918 /* place a given tlv on the tlv buffer, continuing current tlv list */
 919 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
 920 {
 921         struct channel_tlv *tl = (struct channel_tlv *)*offset;
 922
 923         tl->type = type;
 924         tl->length = length;
 925
 926         /* Offset should keep pointing to next TLV (the end of the last) */
 927         *offset += length;
 928
 929         /* Return a pointer to the start of the added tlv */
 930         return *offset - length;
 931 }
 932
 933 /* list the types and lengths of the tlvs on the buffer */
 934 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
 935 {
 936         u16 i = 1, total_length = 0;
 937         struct channel_tlv *tlv;
 938
 939         do {
 940                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
 941
 942                 /* output tlv */
 943                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 944                            "TLV number %d: type %d, length %d\n",
 945                            i, tlv->type, tlv->length);
 946
 947                 if (tlv->type == CHANNEL_TLV_LIST_END)
 948                         return;
 949
 950                 /* Validate entry - protect against malicious VFs */
 951                 if (!tlv->length) {
 952                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
 953                         return;
 954                 }
 955
 956                 total_length += tlv->length;
 957
 958                 if (total_length >= sizeof(struct tlv_buffer_size)) {
 959                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
 960                         return;
 961                 }
 962
 963                 i++;
 964         } while (1);
 965 }
 966
 967 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
 968                                   struct qed_ptt *p_ptt,
 969                                   struct qed_vf_info *p_vf,
 970                                   u16 length, u8 status)
 971 {
 972         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
 973         struct qed_dmae_params params;
 974         u8 eng_vf_id;
 975
 976         mbx->reply_virt->default_resp.hdr.status = status;
 977
 978         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
 979
 980         eng_vf_id = p_vf->abs_vf_id;
 981
 982         memset(&params, 0, sizeof(struct qed_dmae_params));
 983         params.flags = QED_DMAE_FLAG_VF_DST;
 984         params.dst_vfid = eng_vf_id;
 985
 986         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
 987                            mbx->req_virt->first_tlv.reply_address +
 988                            sizeof(u64),
 989                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
 990                            &params);
 991
 992         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
 993                            mbx->req_virt->first_tlv.reply_address,
 994                            sizeof(u64) / 4, &params);
 995
 996         REG_WR(p_hwfn,
 997                GTT_BAR0_MAP_REG_USDM_RAM +
 998                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
 999 }
1000
1001 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1002                                 enum qed_iov_vport_update_flag flag)
1003 {
1004         switch (flag) {
1005         case QED_IOV_VP_UPDATE_ACTIVATE:
1006                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1007         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1008                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1009         case QED_IOV_VP_UPDATE_TX_SWITCH:
1010                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1011         case QED_IOV_VP_UPDATE_MCAST:
1012                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1013         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1014                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1015         case QED_IOV_VP_UPDATE_RSS:
1016                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1017         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1018                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1019         case QED_IOV_VP_UPDATE_SGE_TPA:
1020                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1021         default:
1022                 return 0;
1023         }
1024 }
1025
1026 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1027                                             struct qed_vf_info *p_vf,
1028                                             struct qed_iov_vf_mbx *p_mbx,
1029                                             u8 status,
1030                                             u16 tlvs_mask, u16 tlvs_accepted)
1031 {
1032         struct pfvf_def_resp_tlv *resp;
1033         u16 size, total_len, i;
1034
1035         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1036         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1037         size = sizeof(struct pfvf_def_resp_tlv);
1038         total_len = size;
1039
1040         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1041
1042         /* Prepare response for all extended tlvs if they are found by PF */
1043         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1044                 if (!(tlvs_mask & (1 << i)))
1045                         continue;
1046
1047                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1048                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1049
1050                 if (tlvs_accepted & (1 << i))
1051                         resp->hdr.status = status;
1052                 else
1053                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1054
1055                 DP_VERBOSE(p_hwfn,
1056                            QED_MSG_IOV,
1057                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1058                            p_vf->relative_vf_id,
1059                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1060
1061                 total_len += size;
1062         }
1063
1064         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1065                     sizeof(struct channel_list_end_tlv));
1066
1067         return total_len;
1068 }
1069
1070 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1071                                  struct qed_ptt *p_ptt,
1072                                  struct qed_vf_info *vf_info,
1073                                  u16 type, u16 length, u8 status)
1074 {
1075         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1076
1077         mbx->offset = (u8 *)mbx->reply_virt;
1078
1079         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1080         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1081                     sizeof(struct channel_list_end_tlv));
1082
1083         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1084 }
1085
1086 struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1087                                                       u16 relative_vf_id,
1088                                                       bool b_enabled_only)
1089 {
1090         struct qed_vf_info *vf = NULL;
1091
1092         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1093         if (!vf)
1094                 return NULL;
1095
1096         return &vf->p_vf_info;
1097 }
1098
1099 void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1100 {
1101         struct qed_public_vf_info *vf_info;
1102
1103         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1104
1105         if (!vf_info)
1106                 return;
1107
1108         /* Clear the VF mac */
1109         memset(vf_info->mac, 0, ETH_ALEN);
1110 }
1111
1112 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1113                                struct qed_vf_info *p_vf)
1114 {
1115         u32 i;
1116
1117         p_vf->vf_bulletin = 0;
1118         p_vf->vport_instance = 0;
1119         p_vf->num_mac_filters = 0;
1120         p_vf->num_vlan_filters = 0;
1121         p_vf->configured_features = 0;
1122
1123         /* If VF previously requested less resources, go back to default */
1124         p_vf->num_rxqs = p_vf->num_sbs;
1125         p_vf->num_txqs = p_vf->num_sbs;
1126
1127         p_vf->num_active_rxqs = 0;
1128
1129         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1130                 p_vf->vf_queues[i].rxq_active = 0;
1131
1132         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1133         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1134 }
1135
1136 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1137                                    struct qed_ptt *p_ptt,
1138                                    struct qed_vf_info *vf)
1139 {
1140         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1141         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1142         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1143         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1144         u8 i, vfpf_status = PFVF_STATUS_SUCCESS;
1145         struct pf_vf_resc *resc = &resp->resc;
1146
1147         /* Validate FW compatibility */
1148         if (req->vfdev_info.fw_major != FW_MAJOR_VERSION ||
1149             req->vfdev_info.fw_minor != FW_MINOR_VERSION ||
1150             req->vfdev_info.fw_revision != FW_REVISION_VERSION ||
1151             req->vfdev_info.fw_engineering != FW_ENGINEERING_VERSION) {
1152                 DP_INFO(p_hwfn,
1153                         "VF[%d] is running an incompatible driver [VF needs FW %02x:%02x:%02x:%02x but Hypervisor is using %02x:%02x:%02x:%02x]\n",
1154                         vf->abs_vf_id,
1155                         req->vfdev_info.fw_major,
1156                         req->vfdev_info.fw_minor,
1157                         req->vfdev_info.fw_revision,
1158                         req->vfdev_info.fw_engineering,
1159                         FW_MAJOR_VERSION,
1160                         FW_MINOR_VERSION,
1161                         FW_REVISION_VERSION, FW_ENGINEERING_VERSION);
1162                 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1163                 goto out;
1164         }
1165
1166         /* On 100g PFs, prevent old VFs from loading */
1167         if ((p_hwfn->cdev->num_hwfns > 1) &&
1168             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1169                 DP_INFO(p_hwfn,
1170                         "VF[%d] is running an old driver that doesn't support 100g\n",
1171                         vf->abs_vf_id);
1172                 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1173                 goto out;
1174         }
1175
1176         memset(resp, 0, sizeof(*resp));
1177
1178         /* Fill in vf info stuff */
1179         vf->opaque_fid = req->vfdev_info.opaque_fid;
1180         vf->num_mac_filters = 1;
1181         vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
1182
1183         vf->vf_bulletin = req->bulletin_addr;
1184         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1185                             vf->bulletin.size : req->bulletin_size;
1186
1187         /* fill in pfdev info */
1188         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1189         pfdev_info->db_size = 0;
1190         pfdev_info->indices_per_sb = PIS_PER_SB;
1191
1192         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1193                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1194         if (p_hwfn->cdev->num_hwfns > 1)
1195                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1196
1197         pfdev_info->stats_info.mstats.address =
1198             PXP_VF_BAR0_START_MSDM_ZONE_B +
1199             offsetof(struct mstorm_vf_zone, non_trigger.eth_queue_stat);
1200         pfdev_info->stats_info.mstats.len =
1201             sizeof(struct eth_mstorm_per_queue_stat);
1202
1203         pfdev_info->stats_info.ustats.address =
1204             PXP_VF_BAR0_START_USDM_ZONE_B +
1205             offsetof(struct ustorm_vf_zone, non_trigger.eth_queue_stat);
1206         pfdev_info->stats_info.ustats.len =
1207             sizeof(struct eth_ustorm_per_queue_stat);
1208
1209         pfdev_info->stats_info.pstats.address =
1210             PXP_VF_BAR0_START_PSDM_ZONE_B +
1211             offsetof(struct pstorm_vf_zone, non_trigger.eth_queue_stat);
1212         pfdev_info->stats_info.pstats.len =
1213             sizeof(struct eth_pstorm_per_queue_stat);
1214
1215         pfdev_info->stats_info.tstats.address = 0;
1216         pfdev_info->stats_info.tstats.len = 0;
1217
1218         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1219
1220         pfdev_info->fw_major = FW_MAJOR_VERSION;
1221         pfdev_info->fw_minor = FW_MINOR_VERSION;
1222         pfdev_info->fw_rev = FW_REVISION_VERSION;
1223         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1224         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1225         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1226
1227         pfdev_info->dev_type = p_hwfn->cdev->type;
1228         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1229
1230         resc->num_rxqs = vf->num_rxqs;
1231         resc->num_txqs = vf->num_txqs;
1232         resc->num_sbs = vf->num_sbs;
1233         for (i = 0; i < resc->num_sbs; i++) {
1234                 resc->hw_sbs[i].hw_sb_id = vf->igu_sbs[i];
1235                 resc->hw_sbs[i].sb_qid = 0;
1236         }
1237
1238         for (i = 0; i < resc->num_rxqs; i++) {
1239                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[i].fw_rx_qid,
1240                                 (u16 *)&resc->hw_qid[i]);
1241                 resc->cid[i] = vf->vf_queues[i].fw_cid;
1242         }
1243
1244         resc->num_mac_filters = min_t(u8, vf->num_mac_filters,
1245                                       req->resc_request.num_mac_filters);
1246         resc->num_vlan_filters = min_t(u8, vf->num_vlan_filters,
1247                                        req->resc_request.num_vlan_filters);
1248
1249         /* This isn't really required as VF isn't limited, but some VFs might
1250          * actually test this value, so need to provide it.
1251          */
1252         resc->num_mc_filters = req->resc_request.num_mc_filters;
1253
1254         /* Fill agreed size of bulletin board in response */
1255         resp->bulletin_size = vf->bulletin.size;
1256         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1257
1258         DP_VERBOSE(p_hwfn,
1259                    QED_MSG_IOV,
1260                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1261                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1262                    vf->abs_vf_id,
1263                    resp->pfdev_info.chip_num,
1264                    resp->pfdev_info.db_size,
1265                    resp->pfdev_info.indices_per_sb,
1266                    resp->pfdev_info.capabilities,
1267                    resc->num_rxqs,
1268                    resc->num_txqs,
1269                    resc->num_sbs,
1270                    resc->num_mac_filters,
1271                    resc->num_vlan_filters);
1272         vf->state = VF_ACQUIRED;
1273
1274         /* Prepare Response */
1275 out:
1276         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1277                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1278 }
1279
1280 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1281                                   struct qed_vf_info *p_vf, bool val)
1282 {
1283         struct qed_sp_vport_update_params params;
1284         int rc;
1285
1286         if (val == p_vf->spoof_chk) {
1287                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1288                            "Spoofchk value[%d] is already configured\n", val);
1289                 return 0;
1290         }
1291
1292         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1293         params.opaque_fid = p_vf->opaque_fid;
1294         params.vport_id = p_vf->vport_id;
1295         params.update_anti_spoofing_en_flg = 1;
1296         params.anti_spoofing_en = val;
1297
1298         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1299         if (rc) {
1300                 p_vf->spoof_chk = val;
1301                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1302                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1303                            "Spoofchk val[%d] configured\n", val);
1304         } else {
1305                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1306                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1307                            val, p_vf->relative_vf_id);
1308         }
1309
1310         return rc;
1311 }
1312
1313 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1314                                             struct qed_vf_info *p_vf)
1315 {
1316         struct qed_filter_ucast filter;
1317         int rc = 0;
1318         int i;
1319
1320         memset(&filter, 0, sizeof(filter));
1321         filter.is_rx_filter = 1;
1322         filter.is_tx_filter = 1;
1323         filter.vport_to_add_to = p_vf->vport_id;
1324         filter.opcode = QED_FILTER_ADD;
1325
1326         /* Reconfigure vlans */
1327         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1328                 if (!p_vf->shadow_config.vlans[i].used)
1329                         continue;
1330
1331                 filter.type = QED_FILTER_VLAN;
1332                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1333                 DP_VERBOSE(p_hwfn,
1334                            QED_MSG_IOV,
1335                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1336                            filter.vlan, p_vf->relative_vf_id);
1337                 rc = qed_sp_eth_filter_ucast(p_hwfn,
1338                                              p_vf->opaque_fid,
1339                                              &filter,
1340                                              QED_SPQ_MODE_CB, NULL);
1341                 if (rc) {
1342                         DP_NOTICE(p_hwfn,
1343                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1344                                   filter.vlan, p_vf->relative_vf_id);
1345                         break;
1346                 }
1347         }
1348
1349         return rc;
1350 }
1351
1352 static int
1353 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1354                                    struct qed_vf_info *p_vf, u64 events)
1355 {
1356         int rc = 0;
1357
1358         if ((events & (1 << VLAN_ADDR_FORCED)) &&
1359             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1360                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1361
1362         return rc;
1363 }
1364
1365 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1366                                           struct qed_vf_info *p_vf, u64 events)
1367 {
1368         int rc = 0;
1369         struct qed_filter_ucast filter;
1370
1371         if (!p_vf->vport_instance)
1372                 return -EINVAL;
1373
1374         if (events & (1 << MAC_ADDR_FORCED)) {
1375                 /* Since there's no way [currently] of removing the MAC,
1376                  * we can always assume this means we need to force it.
1377                  */
1378                 memset(&filter, 0, sizeof(filter));
1379                 filter.type = QED_FILTER_MAC;
1380                 filter.opcode = QED_FILTER_REPLACE;
1381                 filter.is_rx_filter = 1;
1382                 filter.is_tx_filter = 1;
1383                 filter.vport_to_add_to = p_vf->vport_id;
1384                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1385
1386                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1387                                              &filter, QED_SPQ_MODE_CB, NULL);
1388                 if (rc) {
1389                         DP_NOTICE(p_hwfn,
1390                                   "PF failed to configure MAC for VF\n");
1391                         return rc;
1392                 }
1393
1394                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1395         }
1396
1397         if (events & (1 << VLAN_ADDR_FORCED)) {
1398                 struct qed_sp_vport_update_params vport_update;
1399                 u8 removal;
1400                 int i;
1401
1402                 memset(&filter, 0, sizeof(filter));
1403                 filter.type = QED_FILTER_VLAN;
1404                 filter.is_rx_filter = 1;
1405                 filter.is_tx_filter = 1;
1406                 filter.vport_to_add_to = p_vf->vport_id;
1407                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1408                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1409                                               QED_FILTER_FLUSH;
1410
1411                 /* Send the ramrod */
1412                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1413                                              &filter, QED_SPQ_MODE_CB, NULL);
1414                 if (rc) {
1415                         DP_NOTICE(p_hwfn,
1416                                   "PF failed to configure VLAN for VF\n");
1417                         return rc;
1418                 }
1419
1420                 /* Update the default-vlan & silent vlan stripping */
1421                 memset(&vport_update, 0, sizeof(vport_update));
1422                 vport_update.opaque_fid = p_vf->opaque_fid;
1423                 vport_update.vport_id = p_vf->vport_id;
1424                 vport_update.update_default_vlan_enable_flg = 1;
1425                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1426                 vport_update.update_default_vlan_flg = 1;
1427                 vport_update.default_vlan = filter.vlan;
1428
1429                 vport_update.update_inner_vlan_removal_flg = 1;
1430                 removal = filter.vlan ? 1
1431                                       : p_vf->shadow_config.inner_vlan_removal;
1432                 vport_update.inner_vlan_removal_flg = removal;
1433                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1434                 rc = qed_sp_vport_update(p_hwfn,
1435                                          &vport_update,
1436                                          QED_SPQ_MODE_EBLOCK, NULL);
1437                 if (rc) {
1438                         DP_NOTICE(p_hwfn,
1439                                   "PF failed to configure VF vport for vlan\n");
1440                         return rc;
1441                 }
1442
1443                 /* Update all the Rx queues */
1444                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1445                         u16 qid;
1446
1447                         if (!p_vf->vf_queues[i].rxq_active)
1448                                 continue;
1449
1450                         qid = p_vf->vf_queues[i].fw_rx_qid;
1451
1452                         rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1453                                                          1, 0, 1,
1454                                                          QED_SPQ_MODE_EBLOCK,
1455                                                          NULL);
1456                         if (rc) {
1457                                 DP_NOTICE(p_hwfn,
1458                                           "Failed to send Rx update fo queue[0x%04x]\n",
1459                                           qid);
1460                                 return rc;
1461                         }
1462                 }
1463
1464                 if (filter.vlan)
1465                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1466                 else
1467                         p_vf->configured_features &= ~(1 << VLAN_ADDR_FORCED);
1468         }
1469
1470         /* If forced features are terminated, we need to configure the shadow
1471          * configuration back again.
1472          */
1473         if (events)
1474                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1475
1476         return rc;
1477 }
1478
1479 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1480                                        struct qed_ptt *p_ptt,
1481                                        struct qed_vf_info *vf)
1482 {
1483         struct qed_sp_vport_start_params params = { 0 };
1484         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1485         struct vfpf_vport_start_tlv *start;
1486         u8 status = PFVF_STATUS_SUCCESS;
1487         struct qed_vf_info *vf_info;
1488         u64 *p_bitmap;
1489         int sb_id;
1490         int rc;
1491
1492         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1493         if (!vf_info) {
1494                 DP_NOTICE(p_hwfn->cdev,
1495                           "Failed to get VF info, invalid vfid [%d]\n",
1496                           vf->relative_vf_id);
1497                 return;
1498         }
1499
1500         vf->state = VF_ENABLED;
1501         start = &mbx->req_virt->start_vport;
1502
1503         /* Initialize Status block in CAU */
1504         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1505                 if (!start->sb_addr[sb_id]) {
1506                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1507                                    "VF[%d] did not fill the address of SB %d\n",
1508                                    vf->relative_vf_id, sb_id);
1509                         break;
1510                 }
1511
1512                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1513                                     start->sb_addr[sb_id],
1514                                     vf->igu_sbs[sb_id],
1515                                     vf->abs_vf_id, 1);
1516         }
1517         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1518
1519         vf->mtu = start->mtu;
1520         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1521
1522         /* Take into consideration configuration forced by hypervisor;
1523          * If none is configured, use the supplied VF values [for old
1524          * vfs that would still be fine, since they passed '0' as padding].
1525          */
1526         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1527         if (!(*p_bitmap & (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1528                 u8 vf_req = start->only_untagged;
1529
1530                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1531                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1532         }
1533
1534         params.tpa_mode = start->tpa_mode;
1535         params.remove_inner_vlan = start->inner_vlan_removal;
1536         params.tx_switching = true;
1537
1538         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1539         params.drop_ttl0 = false;
1540         params.concrete_fid = vf->concrete_fid;
1541         params.opaque_fid = vf->opaque_fid;
1542         params.vport_id = vf->vport_id;
1543         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1544         params.mtu = vf->mtu;
1545
1546         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1547         if (rc != 0) {
1548                 DP_ERR(p_hwfn,
1549                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1550                 status = PFVF_STATUS_FAILURE;
1551         } else {
1552                 vf->vport_instance++;
1553
1554                 /* Force configuration if needed on the newly opened vport */
1555                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1556
1557                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1558         }
1559         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1560                              sizeof(struct pfvf_def_resp_tlv), status);
1561 }
1562
1563 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1564                                       struct qed_ptt *p_ptt,
1565                                       struct qed_vf_info *vf)
1566 {
1567         u8 status = PFVF_STATUS_SUCCESS;
1568         int rc;
1569
1570         vf->vport_instance--;
1571         vf->spoof_chk = false;
1572
1573         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1574         if (rc != 0) {
1575                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1576                        rc);
1577                 status = PFVF_STATUS_FAILURE;
1578         }
1579
1580         /* Forget the configuration on the vport */
1581         vf->configured_features = 0;
1582         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1583
1584         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1585                              sizeof(struct pfvf_def_resp_tlv), status);
1586 }
1587
1588 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
1589 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
1590                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
1591
1592 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1593                                           struct qed_ptt *p_ptt,
1594                                           struct qed_vf_info *vf, u8 status)
1595 {
1596         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1597         struct pfvf_start_queue_resp_tlv *p_tlv;
1598         struct vfpf_start_rxq_tlv *req;
1599
1600         mbx->offset = (u8 *)mbx->reply_virt;
1601
1602         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
1603                             sizeof(*p_tlv));
1604         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1605                     sizeof(struct channel_list_end_tlv));
1606
1607         /* Update the TLV with the response */
1608         if (status == PFVF_STATUS_SUCCESS) {
1609                 u16 hw_qid = 0;
1610
1611                 req = &mbx->req_virt->start_rxq;
1612                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[req->rx_qid].fw_rx_qid,
1613                                 &hw_qid);
1614
1615                 p_tlv->offset = MSTORM_QZONE_START(p_hwfn->cdev) +
1616                                 hw_qid * MSTORM_QZONE_SIZE +
1617                                 offsetof(struct mstorm_eth_queue_zone,
1618                                          rx_producers);
1619         }
1620
1621         qed_iov_send_response(p_hwfn, p_ptt, vf, sizeof(*p_tlv), status);
1622 }
1623
1624 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1625                                      struct qed_ptt *p_ptt,
1626                                      struct qed_vf_info *vf)
1627 {
1628         struct qed_queue_start_common_params params;
1629         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1630         u8 status = PFVF_STATUS_SUCCESS;
1631         struct vfpf_start_rxq_tlv *req;
1632         int rc;
1633
1634         memset(&params, 0, sizeof(params));
1635         req = &mbx->req_virt->start_rxq;
1636         params.queue_id =  vf->vf_queues[req->rx_qid].fw_rx_qid;
1637         params.vport_id = vf->vport_id;
1638         params.sb = req->hw_sb;
1639         params.sb_idx = req->sb_index;
1640
1641         rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1642                                          vf->vf_queues[req->rx_qid].fw_cid,
1643                                          &params,
1644                                          vf->abs_vf_id + 0x10,
1645                                          req->bd_max_bytes,
1646                                          req->rxq_addr,
1647                                          req->cqe_pbl_addr, req->cqe_pbl_size);
1648
1649         if (rc) {
1650                 status = PFVF_STATUS_FAILURE;
1651         } else {
1652                 vf->vf_queues[req->rx_qid].rxq_active = true;
1653                 vf->num_active_rxqs++;
1654         }
1655
1656         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status);
1657 }
1658
1659 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1660                                      struct qed_ptt *p_ptt,
1661                                      struct qed_vf_info *vf)
1662 {
1663         u16 length = sizeof(struct pfvf_def_resp_tlv);
1664         struct qed_queue_start_common_params params;
1665         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1666         union qed_qm_pq_params pq_params;
1667         u8 status = PFVF_STATUS_SUCCESS;
1668         struct vfpf_start_txq_tlv *req;
1669         int rc;
1670
1671         /* Prepare the parameters which would choose the right PQ */
1672         memset(&pq_params, 0, sizeof(pq_params));
1673         pq_params.eth.is_vf = 1;
1674         pq_params.eth.vf_id = vf->relative_vf_id;
1675
1676         memset(&params, 0, sizeof(params));
1677         req = &mbx->req_virt->start_txq;
1678         params.queue_id =  vf->vf_queues[req->tx_qid].fw_tx_qid;
1679         params.vport_id = vf->vport_id;
1680         params.sb = req->hw_sb;
1681         params.sb_idx = req->sb_index;
1682
1683         rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1684                                          vf->opaque_fid,
1685                                          vf->vf_queues[req->tx_qid].fw_cid,
1686                                          &params,
1687                                          vf->abs_vf_id + 0x10,
1688                                          req->pbl_addr,
1689                                          req->pbl_size, &pq_params);
1690
1691         if (rc)
1692                 status = PFVF_STATUS_FAILURE;
1693         else
1694                 vf->vf_queues[req->tx_qid].txq_active = true;
1695
1696         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_TXQ,
1697                              length, status);
1698 }
1699
1700 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1701                                 struct qed_vf_info *vf,
1702                                 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1703 {
1704         int rc = 0;
1705         int qid;
1706
1707         if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1708                 return -EINVAL;
1709
1710         for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1711                 if (vf->vf_queues[qid].rxq_active) {
1712                         rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1713                                                       vf->vf_queues[qid].
1714                                                       fw_rx_qid, false,
1715                                                       cqe_completion);
1716
1717                         if (rc)
1718                                 return rc;
1719                 }
1720                 vf->vf_queues[qid].rxq_active = false;
1721                 vf->num_active_rxqs--;
1722         }
1723
1724         return rc;
1725 }
1726
1727 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1728                                 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1729 {
1730         int rc = 0;
1731         int qid;
1732
1733         if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1734                 return -EINVAL;
1735
1736         for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1737                 if (vf->vf_queues[qid].txq_active) {
1738                         rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1739                                                       vf->vf_queues[qid].
1740                                                       fw_tx_qid);
1741
1742                         if (rc)
1743                                 return rc;
1744                 }
1745                 vf->vf_queues[qid].txq_active = false;
1746         }
1747         return rc;
1748 }
1749
1750 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1751                                      struct qed_ptt *p_ptt,
1752                                      struct qed_vf_info *vf)
1753 {
1754         u16 length = sizeof(struct pfvf_def_resp_tlv);
1755         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1756         u8 status = PFVF_STATUS_SUCCESS;
1757         struct vfpf_stop_rxqs_tlv *req;
1758         int rc;
1759
1760         /* We give the option of starting from qid != 0, in this case we
1761          * need to make sure that qid + num_qs doesn't exceed the actual
1762          * amount of queues that exist.
1763          */
1764         req = &mbx->req_virt->stop_rxqs;
1765         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1766                                   req->num_rxqs, req->cqe_completion);
1767         if (rc)
1768                 status = PFVF_STATUS_FAILURE;
1769
1770         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1771                              length, status);
1772 }
1773
1774 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1775                                      struct qed_ptt *p_ptt,
1776                                      struct qed_vf_info *vf)
1777 {
1778         u16 length = sizeof(struct pfvf_def_resp_tlv);
1779         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1780         u8 status = PFVF_STATUS_SUCCESS;
1781         struct vfpf_stop_txqs_tlv *req;
1782         int rc;
1783
1784         /* We give the option of starting from qid != 0, in this case we
1785          * need to make sure that qid + num_qs doesn't exceed the actual
1786          * amount of queues that exist.
1787          */
1788         req = &mbx->req_virt->stop_txqs;
1789         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1790         if (rc)
1791                 status = PFVF_STATUS_FAILURE;
1792
1793         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
1794                              length, status);
1795 }
1796
1797 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
1798                                        struct qed_ptt *p_ptt,
1799                                        struct qed_vf_info *vf)
1800 {
1801         u16 length = sizeof(struct pfvf_def_resp_tlv);
1802         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1803         struct vfpf_update_rxq_tlv *req;
1804         u8 status = PFVF_STATUS_SUCCESS;
1805         u8 complete_event_flg;
1806         u8 complete_cqe_flg;
1807         u16 qid;
1808         int rc;
1809         u8 i;
1810
1811         req = &mbx->req_virt->update_rxq;
1812         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
1813         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
1814
1815         for (i = 0; i < req->num_rxqs; i++) {
1816                 qid = req->rx_qid + i;
1817
1818                 if (!vf->vf_queues[qid].rxq_active) {
1819                         DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
1820                                   qid);
1821                         status = PFVF_STATUS_FAILURE;
1822                         break;
1823                 }
1824
1825                 rc = qed_sp_eth_rx_queues_update(p_hwfn,
1826                                                  vf->vf_queues[qid].fw_rx_qid,
1827                                                  1,
1828                                                  complete_cqe_flg,
1829                                                  complete_event_flg,
1830                                                  QED_SPQ_MODE_EBLOCK, NULL);
1831
1832                 if (rc) {
1833                         status = PFVF_STATUS_FAILURE;
1834                         break;
1835                 }
1836         }
1837
1838         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
1839                              length, status);
1840 }
1841
1842 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
1843                                void *p_tlvs_list, u16 req_type)
1844 {
1845         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
1846         int len = 0;
1847
1848         do {
1849                 if (!p_tlv->length) {
1850                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
1851                         return NULL;
1852                 }
1853
1854                 if (p_tlv->type == req_type) {
1855                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1856                                    "Extended tlv type %d, length %d found\n",
1857                                    p_tlv->type, p_tlv->length);
1858                         return p_tlv;
1859                 }
1860
1861                 len += p_tlv->length;
1862                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
1863
1864                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
1865                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
1866                         return NULL;
1867                 }
1868         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
1869
1870         return NULL;
1871 }
1872
1873 static void
1874 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
1875                             struct qed_sp_vport_update_params *p_data,
1876                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1877 {
1878         struct vfpf_vport_update_activate_tlv *p_act_tlv;
1879         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1880
1881         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
1882                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1883         if (!p_act_tlv)
1884                 return;
1885
1886         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
1887         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
1888         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
1889         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
1890         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
1891 }
1892
1893 static void
1894 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
1895                              struct qed_sp_vport_update_params *p_data,
1896                              struct qed_vf_info *p_vf,
1897                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1898 {
1899         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
1900         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1901
1902         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
1903                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1904         if (!p_vlan_tlv)
1905                 return;
1906
1907         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
1908
1909         /* Ignore the VF request if we're forcing a vlan */
1910         if (!(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) {
1911                 p_data->update_inner_vlan_removal_flg = 1;
1912                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
1913         }
1914
1915         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
1916 }
1917
1918 static void
1919 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
1920                             struct qed_sp_vport_update_params *p_data,
1921                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1922 {
1923         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1924         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1925
1926         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
1927                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1928                                                    tlv);
1929         if (!p_tx_switch_tlv)
1930                 return;
1931
1932         p_data->update_tx_switching_flg = 1;
1933         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
1934         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
1935 }
1936
1937 static void
1938 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
1939                                   struct qed_sp_vport_update_params *p_data,
1940                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1941 {
1942         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1943         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
1944
1945         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
1946             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1947         if (!p_mcast_tlv)
1948                 return;
1949
1950         p_data->update_approx_mcast_flg = 1;
1951         memcpy(p_data->bins, p_mcast_tlv->bins,
1952                sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1953         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
1954 }
1955
1956 static void
1957 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
1958                               struct qed_sp_vport_update_params *p_data,
1959                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1960 {
1961         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
1962         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1963         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1964
1965         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
1966             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1967         if (!p_accept_tlv)
1968                 return;
1969
1970         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
1971         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
1972         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
1973         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
1974         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
1975 }
1976
1977 static void
1978 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
1979                                   struct qed_sp_vport_update_params *p_data,
1980                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1981 {
1982         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
1983         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1984
1985         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
1986                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1987                                                      tlv);
1988         if (!p_accept_any_vlan)
1989                 return;
1990
1991         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
1992         p_data->update_accept_any_vlan_flg =
1993                     p_accept_any_vlan->update_accept_any_vlan_flg;
1994         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
1995 }
1996
1997 static void
1998 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
1999                             struct qed_vf_info *vf,
2000                             struct qed_sp_vport_update_params *p_data,
2001                             struct qed_rss_params *p_rss,
2002                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2003 {
2004         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2005         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2006         u16 i, q_idx, max_q_idx;
2007         u16 table_size;
2008
2009         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2010                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2011         if (!p_rss_tlv) {
2012                 p_data->rss_params = NULL;
2013                 return;
2014         }
2015
2016         memset(p_rss, 0, sizeof(struct qed_rss_params));
2017
2018         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2019                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2020         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2021                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2022         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2023                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2024         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2025                                    VFPF_UPDATE_RSS_KEY_FLAG);
2026
2027         p_rss->rss_enable = p_rss_tlv->rss_enable;
2028         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2029         p_rss->rss_caps = p_rss_tlv->rss_caps;
2030         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2031         memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2032                sizeof(p_rss->rss_ind_table));
2033         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2034
2035         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2036                            (1 << p_rss_tlv->rss_table_size_log));
2037
2038         max_q_idx = ARRAY_SIZE(vf->vf_queues);
2039
2040         for (i = 0; i < table_size; i++) {
2041                 u16 index = vf->vf_queues[0].fw_rx_qid;
2042
2043                 q_idx = p_rss->rss_ind_table[i];
2044                 if (q_idx >= max_q_idx)
2045                         DP_NOTICE(p_hwfn,
2046                                   "rss_ind_table[%d] = %d, rxq is out of range\n",
2047                                   i, q_idx);
2048                 else if (!vf->vf_queues[q_idx].rxq_active)
2049                         DP_NOTICE(p_hwfn,
2050                                   "rss_ind_table[%d] = %d, rxq is not active\n",
2051                                   i, q_idx);
2052                 else
2053                         index = vf->vf_queues[q_idx].fw_rx_qid;
2054                 p_rss->rss_ind_table[i] = index;
2055         }
2056
2057         p_data->rss_params = p_rss;
2058         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2059 }
2060
2061 static void
2062 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2063                                 struct qed_vf_info *vf,
2064                                 struct qed_sp_vport_update_params *p_data,
2065                                 struct qed_sge_tpa_params *p_sge_tpa,
2066                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2067 {
2068         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2069         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2070
2071         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2072             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2073
2074         if (!p_sge_tpa_tlv) {
2075                 p_data->sge_tpa_params = NULL;
2076                 return;
2077         }
2078
2079         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2080
2081         p_sge_tpa->update_tpa_en_flg =
2082             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2083         p_sge_tpa->update_tpa_param_flg =
2084             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2085                 VFPF_UPDATE_TPA_PARAM_FLAG);
2086
2087         p_sge_tpa->tpa_ipv4_en_flg =
2088             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2089         p_sge_tpa->tpa_ipv6_en_flg =
2090             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2091         p_sge_tpa->tpa_pkt_split_flg =
2092             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2093         p_sge_tpa->tpa_hdr_data_split_flg =
2094             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2095         p_sge_tpa->tpa_gro_consistent_flg =
2096             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2097
2098         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2099         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2100         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2101         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2102         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2103
2104         p_data->sge_tpa_params = p_sge_tpa;
2105
2106         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2107 }
2108
2109 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2110                                         struct qed_ptt *p_ptt,
2111                                         struct qed_vf_info *vf)
2112 {
2113         struct qed_sp_vport_update_params params;
2114         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2115         struct qed_sge_tpa_params sge_tpa_params;
2116         struct qed_rss_params rss_params;
2117         u8 status = PFVF_STATUS_SUCCESS;
2118         u16 tlvs_mask = 0;
2119         u16 length;
2120         int rc;
2121
2122         memset(&params, 0, sizeof(params));
2123         params.opaque_fid = vf->opaque_fid;
2124         params.vport_id = vf->vport_id;
2125         params.rss_params = NULL;
2126
2127         /* Search for extended tlvs list and update values
2128          * from VF in struct qed_sp_vport_update_params.
2129          */
2130         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
2131         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2132         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
2133         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2134         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2135         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2136                                     mbx, &tlvs_mask);
2137         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2138         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2139                                         &sge_tpa_params, mbx, &tlvs_mask);
2140
2141         /* Just log a message if there is no single extended tlv in buffer.
2142          * When all features of vport update ramrod would be requested by VF
2143          * as extended TLVs in buffer then an error can be returned in response
2144          * if there is no extended TLV present in buffer.
2145          */
2146         if (!tlvs_mask) {
2147                 DP_NOTICE(p_hwfn,
2148                           "No feature tlvs found for vport update\n");
2149                 status = PFVF_STATUS_NOT_SUPPORTED;
2150                 goto out;
2151         }
2152
2153         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2154
2155         if (rc)
2156                 status = PFVF_STATUS_FAILURE;
2157
2158 out:
2159         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2160                                                   tlvs_mask, tlvs_mask);
2161         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2162 }
2163
2164 static int qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2165                                             struct qed_vf_info *p_vf,
2166                                             struct qed_filter_ucast *p_params)
2167 {
2168         int i;
2169
2170         if (p_params->type == QED_FILTER_MAC)
2171                 return 0;
2172
2173         /* First remove entries and then add new ones */
2174         if (p_params->opcode == QED_FILTER_REMOVE) {
2175                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2176                         if (p_vf->shadow_config.vlans[i].used &&
2177                             p_vf->shadow_config.vlans[i].vid ==
2178                             p_params->vlan) {
2179                                 p_vf->shadow_config.vlans[i].used = false;
2180                                 break;
2181                         }
2182                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2183                         DP_VERBOSE(p_hwfn,
2184                                    QED_MSG_IOV,
2185                                    "VF [%d] - Tries to remove a non-existing vlan\n",
2186                                    p_vf->relative_vf_id);
2187                         return -EINVAL;
2188                 }
2189         } else if (p_params->opcode == QED_FILTER_REPLACE ||
2190                    p_params->opcode == QED_FILTER_FLUSH) {
2191                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2192                         p_vf->shadow_config.vlans[i].used = false;
2193         }
2194
2195         /* In forced mode, we're willing to remove entries - but we don't add
2196          * new ones.
2197          */
2198         if (p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED))
2199                 return 0;
2200
2201         if (p_params->opcode == QED_FILTER_ADD ||
2202             p_params->opcode == QED_FILTER_REPLACE) {
2203                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2204                         if (p_vf->shadow_config.vlans[i].used)
2205                                 continue;
2206
2207                         p_vf->shadow_config.vlans[i].used = true;
2208                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2209                         break;
2210                 }
2211
2212                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2213                         DP_VERBOSE(p_hwfn,
2214                                    QED_MSG_IOV,
2215                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
2216                                    p_vf->relative_vf_id,
2217                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2218                         return -EINVAL;
2219                 }
2220         }
2221
2222         return 0;
2223 }
2224
2225 int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2226                       int vfid, struct qed_filter_ucast *params)
2227 {
2228         struct qed_public_vf_info *vf;
2229
2230         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2231         if (!vf)
2232                 return -EINVAL;
2233
2234         /* No real decision to make; Store the configured MAC */
2235         if (params->type == QED_FILTER_MAC ||
2236             params->type == QED_FILTER_MAC_VLAN)
2237                 ether_addr_copy(vf->mac, params->mac);
2238
2239         return 0;
2240 }
2241
2242 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2243                                         struct qed_ptt *p_ptt,
2244                                         struct qed_vf_info *vf)
2245 {
2246         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
2247         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2248         struct vfpf_ucast_filter_tlv *req;
2249         u8 status = PFVF_STATUS_SUCCESS;
2250         struct qed_filter_ucast params;
2251         int rc;
2252
2253         /* Prepare the unicast filter params */
2254         memset(&params, 0, sizeof(struct qed_filter_ucast));
2255         req = &mbx->req_virt->ucast_filter;
2256         params.opcode = (enum qed_filter_opcode)req->opcode;
2257         params.type = (enum qed_filter_ucast_type)req->type;
2258
2259         params.is_rx_filter = 1;
2260         params.is_tx_filter = 1;
2261         params.vport_to_remove_from = vf->vport_id;
2262         params.vport_to_add_to = vf->vport_id;
2263         memcpy(params.mac, req->mac, ETH_ALEN);
2264         params.vlan = req->vlan;
2265
2266         DP_VERBOSE(p_hwfn,
2267                    QED_MSG_IOV,
2268                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2269                    vf->abs_vf_id, params.opcode, params.type,
2270                    params.is_rx_filter ? "RX" : "",
2271                    params.is_tx_filter ? "TX" : "",
2272                    params.vport_to_add_to,
2273                    params.mac[0], params.mac[1],
2274                    params.mac[2], params.mac[3],
2275                    params.mac[4], params.mac[5], params.vlan);
2276
2277         if (!vf->vport_instance) {
2278                 DP_VERBOSE(p_hwfn,
2279                            QED_MSG_IOV,
2280                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2281                            vf->abs_vf_id);
2282                 status = PFVF_STATUS_FAILURE;
2283                 goto out;
2284         }
2285
2286         /* Update shadow copy of the VF configuration */
2287         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2288                 status = PFVF_STATUS_FAILURE;
2289                 goto out;
2290         }
2291
2292         /* Determine if the unicast filtering is acceptible by PF */
2293         if ((p_bulletin->valid_bitmap & (1 << VLAN_ADDR_FORCED)) &&
2294             (params.type == QED_FILTER_VLAN ||
2295              params.type == QED_FILTER_MAC_VLAN)) {
2296                 /* Once VLAN is forced or PVID is set, do not allow
2297                  * to add/replace any further VLANs.
2298                  */
2299                 if (params.opcode == QED_FILTER_ADD ||
2300                     params.opcode == QED_FILTER_REPLACE)
2301                         status = PFVF_STATUS_FORCED;
2302                 goto out;
2303         }
2304
2305         if ((p_bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) &&
2306             (params.type == QED_FILTER_MAC ||
2307              params.type == QED_FILTER_MAC_VLAN)) {
2308                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2309                     (params.opcode != QED_FILTER_ADD &&
2310                      params.opcode != QED_FILTER_REPLACE))
2311                         status = PFVF_STATUS_FORCED;
2312                 goto out;
2313         }
2314
2315         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2316         if (rc) {
2317                 status = PFVF_STATUS_FAILURE;
2318                 goto out;
2319         }
2320
2321         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2322                                      QED_SPQ_MODE_CB, NULL);
2323         if (rc)
2324                 status = PFVF_STATUS_FAILURE;
2325
2326 out:
2327         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2328                              sizeof(struct pfvf_def_resp_tlv), status);
2329 }
2330
2331 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2332                                        struct qed_ptt *p_ptt,
2333                                        struct qed_vf_info *vf)
2334 {
2335         int i;
2336
2337         /* Reset the SBs */
2338         for (i = 0; i < vf->num_sbs; i++)
2339                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2340                                                 vf->igu_sbs[i],
2341                                                 vf->opaque_fid, false);
2342
2343         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2344                              sizeof(struct pfvf_def_resp_tlv),
2345                              PFVF_STATUS_SUCCESS);
2346 }
2347
2348 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2349                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2350 {
2351         u16 length = sizeof(struct pfvf_def_resp_tlv);
2352         u8 status = PFVF_STATUS_SUCCESS;
2353
2354         /* Disable Interrupts for VF */
2355         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2356
2357         /* Reset Permission table */
2358         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2359
2360         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2361                              length, status);
2362 }
2363
2364 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2365                                    struct qed_ptt *p_ptt,
2366                                    struct qed_vf_info *p_vf)
2367 {
2368         u16 length = sizeof(struct pfvf_def_resp_tlv);
2369
2370         qed_iov_vf_cleanup(p_hwfn, p_vf);
2371
2372         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
2373                              length, PFVF_STATUS_SUCCESS);
2374 }
2375
2376 static int
2377 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2378                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2379 {
2380         int cnt;
2381         u32 val;
2382
2383         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2384
2385         for (cnt = 0; cnt < 50; cnt++) {
2386                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2387                 if (!val)
2388                         break;
2389                 msleep(20);
2390         }
2391         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2392
2393         if (cnt == 50) {
2394                 DP_ERR(p_hwfn,
2395                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2396                        p_vf->abs_vf_id, val);
2397                 return -EBUSY;
2398         }
2399
2400         return 0;
2401 }
2402
2403 static int
2404 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2405                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2406 {
2407         u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2408         int i, cnt;
2409
2410         /* Read initial consumers & producers */
2411         for (i = 0; i < MAX_NUM_VOQS; i++) {
2412                 u32 prod;
2413
2414                 cons[i] = qed_rd(p_hwfn, p_ptt,
2415                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2416                                  i * 0x40);
2417                 prod = qed_rd(p_hwfn, p_ptt,
2418                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2419                               i * 0x40);
2420                 distance[i] = prod - cons[i];
2421         }
2422
2423         /* Wait for consumers to pass the producers */
2424         i = 0;
2425         for (cnt = 0; cnt < 50; cnt++) {
2426                 for (; i < MAX_NUM_VOQS; i++) {
2427                         u32 tmp;
2428
2429                         tmp = qed_rd(p_hwfn, p_ptt,
2430                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2431                                      i * 0x40);
2432                         if (distance[i] > tmp - cons[i])
2433                                 break;
2434                 }
2435
2436                 if (i == MAX_NUM_VOQS)
2437                         break;
2438
2439                 msleep(20);
2440         }
2441
2442         if (cnt == 50) {
2443                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2444                        p_vf->abs_vf_id, i);
2445                 return -EBUSY;
2446         }
2447
2448         return 0;
2449 }
2450
2451 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2452                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2453 {
2454         int rc;
2455
2456         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2457         if (rc)
2458                 return rc;
2459
2460         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2461         if (rc)
2462                 return rc;
2463
2464         return 0;
2465 }
2466
2467 static int
2468 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2469                                struct qed_ptt *p_ptt,
2470                                u16 rel_vf_id, u32 *ack_vfs)
2471 {
2472         struct qed_vf_info *p_vf;
2473         int rc = 0;
2474
2475         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2476         if (!p_vf)
2477                 return 0;
2478
2479         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2480             (1ULL << (rel_vf_id % 64))) {
2481                 u16 vfid = p_vf->abs_vf_id;
2482
2483                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2484                            "VF[%d] - Handling FLR\n", vfid);
2485
2486                 qed_iov_vf_cleanup(p_hwfn, p_vf);
2487
2488                 /* If VF isn't active, no need for anything but SW */
2489                 if (!p_vf->b_init)
2490                         goto cleanup;
2491
2492                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2493                 if (rc)
2494                         goto cleanup;
2495
2496                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2497                 if (rc) {
2498                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2499                         return rc;
2500                 }
2501
2502                 /* VF_STOPPED has to be set only after final cleanup
2503                  * but prior to re-enabling the VF.
2504                  */
2505                 p_vf->state = VF_STOPPED;
2506
2507                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2508                 if (rc) {
2509                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2510                                vfid);
2511                         return rc;
2512                 }
2513 cleanup:
2514                 /* Mark VF for ack and clean pending state */
2515                 if (p_vf->state == VF_RESET)
2516                         p_vf->state = VF_STOPPED;
2517                 ack_vfs[vfid / 32] |= (1 << (vfid % 32));
2518                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2519                     ~(1ULL << (rel_vf_id % 64));
2520                 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2521                     ~(1ULL << (rel_vf_id % 64));
2522         }
2523
2524         return rc;
2525 }
2526
2527 int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2528 {
2529         u32 ack_vfs[VF_MAX_STATIC / 32];
2530         int rc = 0;
2531         u16 i;
2532
2533         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2534
2535         /* Since BRB <-> PRS interface can't be tested as part of the flr
2536          * polling due to HW limitations, simply sleep a bit. And since
2537          * there's no need to wait per-vf, do it before looping.
2538          */
2539         msleep(100);
2540
2541         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2542                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2543
2544         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2545         return rc;
2546 }
2547
2548 int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2549 {
2550         u16 i, found = 0;
2551
2552         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2553         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2554                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2555                            "[%08x,...,%08x]: %08x\n",
2556                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2557
2558         if (!p_hwfn->cdev->p_iov_info) {
2559                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2560                 return 0;
2561         }
2562
2563         /* Mark VFs */
2564         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2565                 struct qed_vf_info *p_vf;
2566                 u8 vfid;
2567
2568                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2569                 if (!p_vf)
2570                         continue;
2571
2572                 vfid = p_vf->abs_vf_id;
2573                 if ((1 << (vfid % 32)) & p_disabled_vfs[vfid / 32]) {
2574                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2575                         u16 rel_vf_id = p_vf->relative_vf_id;
2576
2577                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2578                                    "VF[%d] [rel %d] got FLR-ed\n",
2579                                    vfid, rel_vf_id);
2580
2581                         p_vf->state = VF_RESET;
2582
2583                         /* No need to lock here, since pending_flr should
2584                          * only change here and before ACKing MFw. Since
2585                          * MFW will not trigger an additional attention for
2586                          * VF flr until ACKs, we're safe.
2587                          */
2588                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2589                         found = 1;
2590                 }
2591         }
2592
2593         return found;
2594 }
2595
2596 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2597                              u16 vfid,
2598                              struct qed_mcp_link_params *p_params,
2599                              struct qed_mcp_link_state *p_link,
2600                              struct qed_mcp_link_capabilities *p_caps)
2601 {
2602         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2603                                                        vfid,
2604                                                        false);
2605         struct qed_bulletin_content *p_bulletin;
2606
2607         if (!p_vf)
2608                 return;
2609
2610         p_bulletin = p_vf->bulletin.p_virt;
2611
2612         if (p_params)
2613                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2614         if (p_link)
2615                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2616         if (p_caps)
2617                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2618 }
2619
2620 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2621                                     struct qed_ptt *p_ptt, int vfid)
2622 {
2623         struct qed_iov_vf_mbx *mbx;
2624         struct qed_vf_info *p_vf;
2625         int i;
2626
2627         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2628         if (!p_vf)
2629                 return;
2630
2631         mbx = &p_vf->vf_mbx;
2632
2633         /* qed_iov_process_mbx_request */
2634         DP_VERBOSE(p_hwfn,
2635                    QED_MSG_IOV,
2636                    "qed_iov_process_mbx_req vfid %d\n", p_vf->abs_vf_id);
2637
2638         mbx->first_tlv = mbx->req_virt->first_tlv;
2639
2640         /* check if tlv type is known */
2641         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
2642                 switch (mbx->first_tlv.tl.type) {
2643                 case CHANNEL_TLV_ACQUIRE:
2644                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2645                         break;
2646                 case CHANNEL_TLV_VPORT_START:
2647                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2648                         break;
2649                 case CHANNEL_TLV_VPORT_TEARDOWN:
2650                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2651                         break;
2652                 case CHANNEL_TLV_START_RXQ:
2653                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2654                         break;
2655                 case CHANNEL_TLV_START_TXQ:
2656                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2657                         break;
2658                 case CHANNEL_TLV_STOP_RXQS:
2659                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2660                         break;
2661                 case CHANNEL_TLV_STOP_TXQS:
2662                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2663                         break;
2664                 case CHANNEL_TLV_UPDATE_RXQ:
2665                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2666                         break;
2667                 case CHANNEL_TLV_VPORT_UPDATE:
2668                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2669                         break;
2670                 case CHANNEL_TLV_UCAST_FILTER:
2671                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2672                         break;
2673                 case CHANNEL_TLV_CLOSE:
2674                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2675                         break;
2676                 case CHANNEL_TLV_INT_CLEANUP:
2677                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2678                         break;
2679                 case CHANNEL_TLV_RELEASE:
2680                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2681                         break;
2682                 }
2683         } else {
2684                 /* unknown TLV - this may belong to a VF driver from the future
2685                  * - a version written after this PF driver was written, which
2686                  * supports features unknown as of yet. Too bad since we don't
2687                  * support them. Or this may be because someone wrote a crappy
2688                  * VF driver and is sending garbage over the channel.
2689                  */
2690                 DP_ERR(p_hwfn,
2691                        "unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n",
2692                        mbx->first_tlv.tl.type, mbx->first_tlv.tl.length);
2693
2694                 for (i = 0; i < 20; i++) {
2695                         DP_VERBOSE(p_hwfn,
2696                                    QED_MSG_IOV,
2697                                    "%x ",
2698                                    mbx->req_virt->tlv_buf_size.tlv_buffer[i]);
2699                 }
2700         }
2701 }
2702
2703 void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
2704 {
2705         u64 add_bit = 1ULL << (vfid % 64);
2706
2707         p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
2708 }
2709
2710 static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
2711                                                     u64 *events)
2712 {
2713         u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
2714
2715         memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2716         memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2717 }
2718
2719 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
2720                               u16 abs_vfid, struct regpair *vf_msg)
2721 {
2722         u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
2723         struct qed_vf_info *p_vf;
2724
2725         if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
2726                 DP_VERBOSE(p_hwfn,
2727                            QED_MSG_IOV,
2728                            "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
2729                            abs_vfid);
2730                 return 0;
2731         }
2732         p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
2733
2734         /* List the physical address of the request so that handler
2735          * could later on copy the message from it.
2736          */
2737         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
2738
2739         /* Mark the event and schedule the workqueue */
2740         qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
2741         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
2742
2743         return 0;
2744 }
2745
2746 int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
2747                         u8 opcode, __le16 echo, union event_ring_data *data)
2748 {
2749         switch (opcode) {
2750         case COMMON_EVENT_VF_PF_CHANNEL:
2751                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
2752                                           &data->vf_pf_channel.msg_addr);
2753         default:
2754                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
2755                         opcode);
2756                 return -EINVAL;
2757         }
2758 }
2759
2760 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2761 {
2762         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
2763         u16 i;
2764
2765         if (!p_iov)
2766                 goto out;
2767
2768         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
2769                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
2770                         return i;
2771
2772 out:
2773         return MAX_NUM_VFS;
2774 }
2775
2776 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
2777                                int vfid)
2778 {
2779         struct qed_dmae_params params;
2780         struct qed_vf_info *vf_info;
2781
2782         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2783         if (!vf_info)
2784                 return -EINVAL;
2785
2786         memset(&params, 0, sizeof(struct qed_dmae_params));
2787         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
2788         params.src_vfid = vf_info->abs_vf_id;
2789
2790         if (qed_dmae_host2host(p_hwfn, ptt,
2791                                vf_info->vf_mbx.pending_req,
2792                                vf_info->vf_mbx.req_phys,
2793                                sizeof(union vfpf_tlvs) / 4, &params)) {
2794                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2795                            "Failed to copy message from VF 0x%02x\n", vfid);
2796
2797                 return -EIO;
2798         }
2799
2800         return 0;
2801 }
2802
2803 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
2804                                             u8 *mac, int vfid)
2805 {
2806         struct qed_vf_info *vf_info;
2807         u64 feature;
2808
2809         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2810         if (!vf_info) {
2811                 DP_NOTICE(p_hwfn->cdev,
2812                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2813                 return;
2814         }
2815
2816         feature = 1 << MAC_ADDR_FORCED;
2817         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
2818
2819         vf_info->bulletin.p_virt->valid_bitmap |= feature;
2820         /* Forced MAC will disable MAC_ADDR */
2821         vf_info->bulletin.p_virt->valid_bitmap &=
2822                                 ~(1 << VFPF_BULLETIN_MAC_ADDR);
2823
2824         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2825 }
2826
2827 void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
2828                                       u16 pvid, int vfid)
2829 {
2830         struct qed_vf_info *vf_info;
2831         u64 feature;
2832
2833         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2834         if (!vf_info) {
2835                 DP_NOTICE(p_hwfn->cdev,
2836                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2837                 return;
2838         }
2839
2840         feature = 1 << VLAN_ADDR_FORCED;
2841         vf_info->bulletin.p_virt->pvid = pvid;
2842         if (pvid)
2843                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
2844         else
2845                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
2846
2847         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2848 }
2849
2850 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
2851 {
2852         struct qed_vf_info *p_vf_info;
2853
2854         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2855         if (!p_vf_info)
2856                 return false;
2857
2858         return !!p_vf_info->vport_instance;
2859 }
2860
2861 bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
2862 {
2863         struct qed_vf_info *p_vf_info;
2864
2865         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2866         if (!p_vf_info)
2867                 return true;
2868
2869         return p_vf_info->state == VF_STOPPED;
2870 }
2871
2872 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
2873 {
2874         struct qed_vf_info *vf_info;
2875
2876         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2877         if (!vf_info)
2878                 return false;
2879
2880         return vf_info->spoof_chk;
2881 }
2882
2883 int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
2884 {
2885         struct qed_vf_info *vf;
2886         int rc = -EINVAL;
2887
2888         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2889                 DP_NOTICE(p_hwfn,
2890                           "SR-IOV sanity check failed, can't set spoofchk\n");
2891                 goto out;
2892         }
2893
2894         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2895         if (!vf)
2896                 goto out;
2897
2898         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
2899                 /* After VF VPORT start PF will configure spoof check */
2900                 vf->req_spoofchk_val = val;
2901                 rc = 0;
2902                 goto out;
2903         }
2904
2905         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
2906
2907 out:
2908         return rc;
2909 }
2910
2911 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
2912                                            u16 rel_vf_id)
2913 {
2914         struct qed_vf_info *p_vf;
2915
2916         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2917         if (!p_vf || !p_vf->bulletin.p_virt)
2918                 return NULL;
2919
2920         if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED)))
2921                 return NULL;
2922
2923         return p_vf->bulletin.p_virt->mac;
2924 }
2925
2926 u16 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2927 {
2928         struct qed_vf_info *p_vf;
2929
2930         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2931         if (!p_vf || !p_vf->bulletin.p_virt)
2932                 return 0;
2933
2934         if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED)))
2935                 return 0;
2936
2937         return p_vf->bulletin.p_virt->pvid;
2938 }
2939
2940 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
2941                                      struct qed_ptt *p_ptt, int vfid, int val)
2942 {
2943         struct qed_vf_info *vf;
2944         u8 abs_vp_id = 0;
2945         int rc;
2946
2947         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2948         if (!vf)
2949                 return -EINVAL;
2950
2951         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
2952         if (rc)
2953                 return rc;
2954
2955         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
2956 }
2957
2958 int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
2959 {
2960         struct qed_vf_info *vf;
2961         u8 vport_id;
2962         int i;
2963
2964         for_each_hwfn(cdev, i) {
2965                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2966
2967                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2968                         DP_NOTICE(p_hwfn,
2969                                   "SR-IOV sanity check failed, can't set min rate\n");
2970                         return -EINVAL;
2971                 }
2972         }
2973
2974         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
2975         vport_id = vf->vport_id;
2976
2977         return qed_configure_vport_wfq(cdev, vport_id, rate);
2978 }
2979
2980 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
2981 {
2982         struct qed_wfq_data *vf_vp_wfq;
2983         struct qed_vf_info *vf_info;
2984
2985         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2986         if (!vf_info)
2987                 return 0;
2988
2989         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
2990
2991         if (vf_vp_wfq->configured)
2992                 return vf_vp_wfq->min_speed;
2993         else
2994                 return 0;
2995 }
2996
2997 /**
2998  * qed_schedule_iov - schedules IOV task for VF and PF
2999  * @hwfn: hardware function pointer
3000  * @flag: IOV flag for VF/PF
3001  */
3002 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3003 {
3004         smp_mb__before_atomic();
3005         set_bit(flag, &hwfn->iov_task_flags);
3006         smp_mb__after_atomic();
3007         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3008         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3009 }
3010
3011 void qed_vf_start_iov_wq(struct qed_dev *cdev)
3012 {
3013         int i;
3014
3015         for_each_hwfn(cdev, i)
3016             queue_delayed_work(cdev->hwfns[i].iov_wq,
3017                                &cdev->hwfns[i].iov_task, 0);
3018 }
3019
3020 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3021 {
3022         int i, j;
3023
3024         for_each_hwfn(cdev, i)
3025             if (cdev->hwfns[i].iov_wq)
3026                 flush_workqueue(cdev->hwfns[i].iov_wq);
3027
3028         /* Mark VFs for disablement */
3029         qed_iov_set_vfs_to_disable(cdev, true);
3030
3031         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3032                 pci_disable_sriov(cdev->pdev);
3033
3034         for_each_hwfn(cdev, i) {
3035                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3036                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3037
3038                 /* Failure to acquire the ptt in 100g creates an odd error
3039                  * where the first engine has already relased IOV.
3040                  */
3041                 if (!ptt) {
3042                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3043                         return -EBUSY;
3044                 }
3045
3046                 /* Clean WFQ db and configure equal weight for all vports */
3047                 qed_clean_wfq_db(hwfn, ptt);
3048
3049                 qed_for_each_vf(hwfn, j) {
3050                         int k;
3051
3052                         if (!qed_iov_is_valid_vfid(hwfn, j, true))
3053                                 continue;
3054
3055                         /* Wait until VF is disabled before releasing */
3056                         for (k = 0; k < 100; k++) {
3057                                 if (!qed_iov_is_vf_stopped(hwfn, j))
3058                                         msleep(20);
3059                                 else
3060                                         break;
3061                         }
3062
3063                         if (k < 100)
3064                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3065                                                           ptt, j);
3066                         else
3067                                 DP_ERR(hwfn,
3068                                        "Timeout waiting for VF's FLR to end\n");
3069                 }
3070
3071                 qed_ptt_release(hwfn, ptt);
3072         }
3073
3074         qed_iov_set_vfs_to_disable(cdev, false);
3075
3076         return 0;
3077 }
3078
3079 static int qed_sriov_enable(struct qed_dev *cdev, int num)
3080 {
3081         struct qed_sb_cnt_info sb_cnt_info;
3082         int i, j, rc;
3083
3084         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3085                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3086                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3087                 return -EINVAL;
3088         }
3089
3090         /* Initialize HW for VF access */
3091         for_each_hwfn(cdev, j) {
3092                 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3093                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3094                 int num_sbs = 0, limit = 16;
3095
3096                 if (!ptt) {
3097                         DP_ERR(hwfn, "Failed to acquire ptt\n");
3098                         rc = -EBUSY;
3099                         goto err;
3100                 }
3101
3102                 if (IS_MF_DEFAULT(hwfn))
3103                         limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3104
3105                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3106                 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3107                 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3108
3109                 for (i = 0; i < num; i++) {
3110                         if (!qed_iov_is_valid_vfid(hwfn, i, false))
3111                                 continue;
3112
3113                         rc = qed_iov_init_hw_for_vf(hwfn,
3114                                                     ptt, i, num_sbs / num);
3115                         if (rc) {
3116                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3117                                 qed_ptt_release(hwfn, ptt);
3118                                 goto err;
3119                         }
3120                 }
3121
3122                 qed_ptt_release(hwfn, ptt);
3123         }
3124
3125         /* Enable SRIOV PCIe functions */
3126         rc = pci_enable_sriov(cdev->pdev, num);
3127         if (rc) {
3128                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3129                 goto err;
3130         }
3131
3132         return num;
3133
3134 err:
3135         qed_sriov_disable(cdev, false);
3136         return rc;
3137 }
3138
3139 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3140 {
3141         if (!IS_QED_SRIOV(cdev)) {
3142                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3143                 return -EOPNOTSUPP;
3144         }
3145
3146         if (num_vfs_param)
3147                 return qed_sriov_enable(cdev, num_vfs_param);
3148         else
3149                 return qed_sriov_disable(cdev, true);
3150 }
3151
3152 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3153 {
3154         int i;
3155
3156         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3157                 DP_VERBOSE(cdev, QED_MSG_IOV,
3158                            "Cannot set a VF MAC; Sriov is not enabled\n");
3159                 return -EINVAL;
3160         }
3161
3162         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3163                 DP_VERBOSE(cdev, QED_MSG_IOV,
3164                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3165                 return -EINVAL;
3166         }
3167
3168         for_each_hwfn(cdev, i) {
3169                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3170                 struct qed_public_vf_info *vf_info;
3171
3172                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3173                 if (!vf_info)
3174                         continue;
3175
3176                 /* Set the forced MAC, and schedule the IOV task */
3177                 ether_addr_copy(vf_info->forced_mac, mac);
3178                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3179         }
3180
3181         return 0;
3182 }
3183
3184 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3185 {
3186         int i;
3187
3188         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3189                 DP_VERBOSE(cdev, QED_MSG_IOV,
3190                            "Cannot set a VF MAC; Sriov is not enabled\n");
3191                 return -EINVAL;
3192         }
3193
3194         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3195                 DP_VERBOSE(cdev, QED_MSG_IOV,
3196                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3197                 return -EINVAL;
3198         }
3199
3200         for_each_hwfn(cdev, i) {
3201                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3202                 struct qed_public_vf_info *vf_info;
3203
3204                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3205                 if (!vf_info)
3206                         continue;
3207
3208                 /* Set the forced vlan, and schedule the IOV task */
3209                 vf_info->forced_vlan = vid;
3210                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3211         }
3212
3213         return 0;
3214 }
3215
3216 static int qed_get_vf_config(struct qed_dev *cdev,
3217                              int vf_id, struct ifla_vf_info *ivi)
3218 {
3219         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3220         struct qed_public_vf_info *vf_info;
3221         struct qed_mcp_link_state link;
3222         u32 tx_rate;
3223
3224         /* Sanitize request */
3225         if (IS_VF(cdev))
3226                 return -EINVAL;
3227
3228         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3229                 DP_VERBOSE(cdev, QED_MSG_IOV,
3230                            "VF index [%d] isn't active\n", vf_id);
3231                 return -EINVAL;
3232         }
3233
3234         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3235
3236         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3237
3238         /* Fill information about VF */
3239         ivi->vf = vf_id;
3240
3241         if (is_valid_ether_addr(vf_info->forced_mac))
3242                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3243         else
3244                 ether_addr_copy(ivi->mac, vf_info->mac);
3245
3246         ivi->vlan = vf_info->forced_vlan;
3247         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3248         ivi->linkstate = vf_info->link_state;
3249         tx_rate = vf_info->tx_rate;
3250         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3251         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3252
3253         return 0;
3254 }
3255
3256 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3257 {
3258         struct qed_mcp_link_capabilities caps;
3259         struct qed_mcp_link_params params;
3260         struct qed_mcp_link_state link;
3261         int i;
3262
3263         if (!hwfn->pf_iov_info)
3264                 return;
3265
3266         /* Update bulletin of all future possible VFs with link configuration */
3267         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
3268                 struct qed_public_vf_info *vf_info;
3269
3270                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3271                 if (!vf_info)
3272                         continue;
3273
3274                 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3275                 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3276                 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3277                        sizeof(caps));
3278
3279                 /* Modify link according to the VF's configured link state */
3280                 switch (vf_info->link_state) {
3281                 case IFLA_VF_LINK_STATE_DISABLE:
3282                         link.link_up = false;
3283                         break;
3284                 case IFLA_VF_LINK_STATE_ENABLE:
3285                         link.link_up = true;
3286                         /* Set speed according to maximum supported by HW.
3287                          * that is 40G for regular devices and 100G for CMT
3288                          * mode devices.
3289                          */
3290                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
3291                                      100000 : 40000;
3292                 default:
3293                         /* In auto mode pass PF link image to VF */
3294                         break;
3295                 }
3296
3297                 if (link.link_up && vf_info->tx_rate) {
3298                         struct qed_ptt *ptt;
3299                         int rate;
3300
3301                         rate = min_t(int, vf_info->tx_rate, link.speed);
3302
3303                         ptt = qed_ptt_acquire(hwfn);
3304                         if (!ptt) {
3305                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3306                                 return;
3307                         }
3308
3309                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3310                                 vf_info->tx_rate = rate;
3311                                 link.speed = rate;
3312                         }
3313
3314                         qed_ptt_release(hwfn, ptt);
3315                 }
3316
3317                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3318         }
3319
3320         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3321 }
3322
3323 static int qed_set_vf_link_state(struct qed_dev *cdev,
3324                                  int vf_id, int link_state)
3325 {
3326         int i;
3327
3328         /* Sanitize request */
3329         if (IS_VF(cdev))
3330                 return -EINVAL;
3331
3332         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3333                 DP_VERBOSE(cdev, QED_MSG_IOV,
3334                            "VF index [%d] isn't active\n", vf_id);
3335                 return -EINVAL;
3336         }
3337
3338         /* Handle configuration of link state */
3339         for_each_hwfn(cdev, i) {
3340                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3341                 struct qed_public_vf_info *vf;
3342
3343                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3344                 if (!vf)
3345                         continue;
3346
3347                 if (vf->link_state == link_state)
3348                         continue;
3349
3350                 vf->link_state = link_state;
3351                 qed_inform_vf_link_state(&cdev->hwfns[i]);
3352         }
3353
3354         return 0;
3355 }
3356
3357 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3358 {
3359         int i, rc = -EINVAL;
3360
3361         for_each_hwfn(cdev, i) {
3362                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3363
3364                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3365                 if (rc)
3366                         break;
3367         }
3368
3369         return rc;
3370 }
3371
3372 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3373 {
3374         int i;
3375
3376         for_each_hwfn(cdev, i) {
3377                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3378                 struct qed_public_vf_info *vf;
3379
3380                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3381                         DP_NOTICE(p_hwfn,
3382                                   "SR-IOV sanity check failed, can't set tx rate\n");
3383                         return -EINVAL;
3384                 }
3385
3386                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3387
3388                 vf->tx_rate = rate;
3389
3390                 qed_inform_vf_link_state(p_hwfn);
3391         }
3392
3393         return 0;
3394 }
3395
3396 static int qed_set_vf_rate(struct qed_dev *cdev,
3397                            int vfid, u32 min_rate, u32 max_rate)
3398 {
3399         int rc_min = 0, rc_max = 0;
3400
3401         if (max_rate)
3402                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3403
3404         if (min_rate)
3405                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3406
3407         if (rc_max | rc_min)
3408                 return -EINVAL;
3409
3410         return 0;
3411 }
3412
3413 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3414 {
3415         u64 events[QED_VF_ARRAY_LENGTH];
3416         struct qed_ptt *ptt;
3417         int i;
3418
3419         ptt = qed_ptt_acquire(hwfn);
3420         if (!ptt) {
3421                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3422                            "Can't acquire PTT; re-scheduling\n");
3423                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3424                 return;
3425         }
3426
3427         qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3428
3429         DP_VERBOSE(hwfn, QED_MSG_IOV,
3430                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3431                    events[0], events[1], events[2]);
3432
3433         qed_for_each_vf(hwfn, i) {
3434                 /* Skip VFs with no pending messages */
3435                 if (!(events[i / 64] & (1ULL << (i % 64))))
3436                         continue;
3437
3438                 DP_VERBOSE(hwfn, QED_MSG_IOV,
3439                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3440                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3441
3442                 /* Copy VF's message to PF's request buffer for that VF */
3443                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3444                         continue;
3445
3446                 qed_iov_process_mbx_req(hwfn, ptt, i);
3447         }
3448
3449         qed_ptt_release(hwfn, ptt);
3450 }
3451
3452 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3453 {
3454         int i;
3455
3456         qed_for_each_vf(hwfn, i) {
3457                 struct qed_public_vf_info *info;
3458                 bool update = false;
3459                 u8 *mac;
3460
3461                 info = qed_iov_get_public_vf_info(hwfn, i, true);
3462                 if (!info)
3463                         continue;
3464
3465                 /* Update data on bulletin board */
3466                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3467                 if (is_valid_ether_addr(info->forced_mac) &&
3468                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3469                         DP_VERBOSE(hwfn,
3470                                    QED_MSG_IOV,
3471                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3472                                    i,
3473                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3474
3475                         /* Update bulletin board with forced MAC */
3476                         qed_iov_bulletin_set_forced_mac(hwfn,
3477                                                         info->forced_mac, i);
3478                         update = true;
3479                 }
3480
3481                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3482                     info->forced_vlan) {
3483                         DP_VERBOSE(hwfn,
3484                                    QED_MSG_IOV,
3485                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3486                                    info->forced_vlan,
3487                                    i,
3488                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3489                         qed_iov_bulletin_set_forced_vlan(hwfn,
3490                                                          info->forced_vlan, i);
3491                         update = true;
3492                 }
3493
3494                 if (update)
3495                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3496         }
3497 }
3498
3499 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3500 {
3501         struct qed_ptt *ptt;
3502         int i;
3503
3504         ptt = qed_ptt_acquire(hwfn);
3505         if (!ptt) {
3506                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3507                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3508                 return;
3509         }
3510
3511         qed_for_each_vf(hwfn, i)
3512             qed_iov_post_vf_bulletin(hwfn, i, ptt);
3513
3514         qed_ptt_release(hwfn, ptt);
3515 }
3516
3517 void qed_iov_pf_task(struct work_struct *work)
3518 {
3519         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3520                                              iov_task.work);
3521         int rc;
3522
3523         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3524                 return;
3525
3526         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3527                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3528
3529                 if (!ptt) {
3530                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3531                         return;
3532                 }
3533
3534                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3535                 if (rc)
3536                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3537
3538                 qed_ptt_release(hwfn, ptt);
3539         }
3540
3541         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3542                 qed_handle_vf_msg(hwfn);
3543
3544         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3545                                &hwfn->iov_task_flags))
3546                 qed_handle_pf_set_vf_unicast(hwfn);
3547
3548         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3549                                &hwfn->iov_task_flags))
3550                 qed_handle_bulletin_post(hwfn);
3551 }
3552
3553 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3554 {
3555         int i;
3556
3557         for_each_hwfn(cdev, i) {
3558                 if (!cdev->hwfns[i].iov_wq)
3559                         continue;
3560
3561                 if (schedule_first) {
3562                         qed_schedule_iov(&cdev->hwfns[i],
3563                                          QED_IOV_WQ_STOP_WQ_FLAG);
3564                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3565                 }
3566
3567                 flush_workqueue(cdev->hwfns[i].iov_wq);
3568                 destroy_workqueue(cdev->hwfns[i].iov_wq);
3569         }
3570 }
3571
3572 int qed_iov_wq_start(struct qed_dev *cdev)
3573 {
3574         char name[NAME_SIZE];
3575         int i;
3576
3577         for_each_hwfn(cdev, i) {
3578                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3579
3580                 /* PFs needs a dedicated workqueue only if they support IOV.
3581                  * VFs always require one.
3582                  */
3583                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
3584                         continue;
3585
3586                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3587                          cdev->pdev->bus->number,
3588                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3589
3590                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3591                 if (!p_hwfn->iov_wq) {
3592                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3593                         return -ENOMEM;
3594                 }
3595
3596                 if (IS_PF(cdev))
3597                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3598                 else
3599                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
3600         }
3601
3602         return 0;
3603 }
3604
3605 const struct qed_iov_hv_ops qed_iov_ops_pass = {
3606         .configure = &qed_sriov_configure,
3607         .set_mac = &qed_sriov_pf_set_mac,
3608         .set_vlan = &qed_sriov_pf_set_vlan,
3609         .get_config = &qed_get_vf_config,
3610         .set_link_state = &qed_set_vf_link_state,
3611         .set_spoof = &qed_spoof_configure,
3612         .set_rate = &qed_set_vf_rate,
3613 };