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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/etherdevice.h>
  34 #include <linux/crc32.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/qed/qed_iov_if.h>
  37 #include "qed_cxt.h"
  38 #include "qed_hsi.h"
  39 #include "qed_hw.h"
  40 #include "qed_init_ops.h"
  41 #include "qed_int.h"
  42 #include "qed_mcp.h"
  43 #include "qed_reg_addr.h"
  44 #include "qed_sp.h"
  45 #include "qed_sriov.h"
  46 #include "qed_vf.h"
  47 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  48                                u8 opcode,
  49                                __le16 echo,
  50                                union event_ring_data *data, u8 fw_return_code);
  51
  52
  53 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  54 {
  55         u8 legacy = 0;
  56
  57         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  58             ETH_HSI_VER_NO_PKT_LEN_TUNN)
  59                 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  60
  61         if (!(p_vf->acquire.vfdev_info.capabilities &
  62               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  63                 legacy |= QED_QCID_LEGACY_VF_CID;
  64
  65         return legacy;
  66 }
  67
  68 /* IOV ramrods */
  69 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  70 {
  71         struct vf_start_ramrod_data *p_ramrod = NULL;
  72         struct qed_spq_entry *p_ent = NULL;
  73         struct qed_sp_init_data init_data;
  74         int rc = -EINVAL;
  75         u8 fp_minor;
  76
  77         /* Get SPQ entry */
  78         memset(&init_data, 0, sizeof(init_data));
  79         init_data.cid = qed_spq_get_cid(p_hwfn);
  80         init_data.opaque_fid = p_vf->opaque_fid;
  81         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  82
  83         rc = qed_sp_init_request(p_hwfn, &p_ent,
  84                                  COMMON_RAMROD_VF_START,
  85                                  PROTOCOLID_COMMON, &init_data);
  86         if (rc)
  87                 return rc;
  88
  89         p_ramrod = &p_ent->ramrod.vf_start;
  90
  91         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  92         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  93
  94         switch (p_hwfn->hw_info.personality) {
  95         case QED_PCI_ETH:
  96                 p_ramrod->personality = PERSONALITY_ETH;
  97                 break;
  98         case QED_PCI_ETH_ROCE:
  99                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
 100                 break;
 101         default:
 102                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
 103                           p_hwfn->hw_info.personality);
 104                 return -EINVAL;
 105         }
 106
 107         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
 108         if (fp_minor > ETH_HSI_VER_MINOR &&
 109             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
 110                 DP_VERBOSE(p_hwfn,
 111                            QED_MSG_IOV,
 112                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
 113                            p_vf->abs_vf_id,
 114                            ETH_HSI_VER_MAJOR,
 115                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
 116                 fp_minor = ETH_HSI_VER_MINOR;
 117         }
 118
 119         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
 120         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
 121
 122         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 123                    "VF[%d] - Starting using HSI %02x.%02x\n",
 124                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 125
 126         return qed_spq_post(p_hwfn, p_ent, NULL);
 127 }
 128
 129 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 130                           u32 concrete_vfid, u16 opaque_vfid)
 131 {
 132         struct vf_stop_ramrod_data *p_ramrod = NULL;
 133         struct qed_spq_entry *p_ent = NULL;
 134         struct qed_sp_init_data init_data;
 135         int rc = -EINVAL;
 136
 137         /* Get SPQ entry */
 138         memset(&init_data, 0, sizeof(init_data));
 139         init_data.cid = qed_spq_get_cid(p_hwfn);
 140         init_data.opaque_fid = opaque_vfid;
 141         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 142
 143         rc = qed_sp_init_request(p_hwfn, &p_ent,
 144                                  COMMON_RAMROD_VF_STOP,
 145                                  PROTOCOLID_COMMON, &init_data);
 146         if (rc)
 147                 return rc;
 148
 149         p_ramrod = &p_ent->ramrod.vf_stop;
 150
 151         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 152
 153         return qed_spq_post(p_hwfn, p_ent, NULL);
 154 }
 155
 156 static bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 157                                   int rel_vf_id,
 158                                   bool b_enabled_only, bool b_non_malicious)
 159 {
 160         if (!p_hwfn->pf_iov_info) {
 161                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 162                 return false;
 163         }
 164
 165         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 166             (rel_vf_id < 0))
 167                 return false;
 168
 169         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 170             b_enabled_only)
 171                 return false;
 172
 173         if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 174             b_non_malicious)
 175                 return false;
 176
 177         return true;
 178 }
 179
 180 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 181                                                u16 relative_vf_id,
 182                                                bool b_enabled_only)
 183 {
 184         struct qed_vf_info *vf = NULL;
 185
 186         if (!p_hwfn->pf_iov_info) {
 187                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 188                 return NULL;
 189         }
 190
 191         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 192                                   b_enabled_only, false))
 193                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 194         else
 195                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 196                        relative_vf_id);
 197
 198         return vf;
 199 }
 200
 201 static struct qed_queue_cid *
 202 qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 203 {
 204         int i;
 205
 206         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 207                 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 208                         return p_queue->cids[i].p_cid;
 209         }
 210
 211         return NULL;
 212 }
 213
 214 enum qed_iov_validate_q_mode {
 215         QED_IOV_VALIDATE_Q_NA,
 216         QED_IOV_VALIDATE_Q_ENABLE,
 217         QED_IOV_VALIDATE_Q_DISABLE,
 218 };
 219
 220 static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 221                                         struct qed_vf_info *p_vf,
 222                                         u16 qid,
 223                                         enum qed_iov_validate_q_mode mode,
 224                                         bool b_is_tx)
 225 {
 226         int i;
 227
 228         if (mode == QED_IOV_VALIDATE_Q_NA)
 229                 return true;
 230
 231         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 232                 struct qed_vf_queue_cid *p_qcid;
 233
 234                 p_qcid = &p_vf->vf_queues[qid].cids[i];
 235
 236                 if (!p_qcid->p_cid)
 237                         continue;
 238
 239                 if (p_qcid->b_is_tx != b_is_tx)
 240                         continue;
 241
 242                 return mode == QED_IOV_VALIDATE_Q_ENABLE;
 243         }
 244
 245         /* In case we haven't found any valid cid, then its disabled */
 246         return mode == QED_IOV_VALIDATE_Q_DISABLE;
 247 }
 248
 249 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 250                                  struct qed_vf_info *p_vf,
 251                                  u16 rx_qid,
 252                                  enum qed_iov_validate_q_mode mode)
 253 {
 254         if (rx_qid >= p_vf->num_rxqs) {
 255                 DP_VERBOSE(p_hwfn,
 256                            QED_MSG_IOV,
 257                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 258                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 259                 return false;
 260         }
 261
 262         return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 263 }
 264
 265 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 266                                  struct qed_vf_info *p_vf,
 267                                  u16 tx_qid,
 268                                  enum qed_iov_validate_q_mode mode)
 269 {
 270         if (tx_qid >= p_vf->num_txqs) {
 271                 DP_VERBOSE(p_hwfn,
 272                            QED_MSG_IOV,
 273                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 274                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 275                 return false;
 276         }
 277
 278         return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 279 }
 280
 281 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 282                                 struct qed_vf_info *p_vf, u16 sb_idx)
 283 {
 284         int i;
 285
 286         for (i = 0; i < p_vf->num_sbs; i++)
 287                 if (p_vf->igu_sbs[i] == sb_idx)
 288                         return true;
 289
 290         DP_VERBOSE(p_hwfn,
 291                    QED_MSG_IOV,
 292                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 293                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 294
 295         return false;
 296 }
 297
 298 static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 299                                         struct qed_vf_info *p_vf)
 300 {
 301         u8 i;
 302
 303         for (i = 0; i < p_vf->num_rxqs; i++)
 304                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 305                                                 QED_IOV_VALIDATE_Q_ENABLE,
 306                                                 false))
 307                         return true;
 308
 309         return false;
 310 }
 311
 312 static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 313                                         struct qed_vf_info *p_vf)
 314 {
 315         u8 i;
 316
 317         for (i = 0; i < p_vf->num_txqs; i++)
 318                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 319                                                 QED_IOV_VALIDATE_Q_ENABLE,
 320                                                 true))
 321                         return true;
 322
 323         return false;
 324 }
 325
 326 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 327                                     int vfid, struct qed_ptt *p_ptt)
 328 {
 329         struct qed_bulletin_content *p_bulletin;
 330         int crc_size = sizeof(p_bulletin->crc);
 331         struct qed_dmae_params params;
 332         struct qed_vf_info *p_vf;
 333
 334         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 335         if (!p_vf)
 336                 return -EINVAL;
 337
 338         if (!p_vf->vf_bulletin)
 339                 return -EINVAL;
 340
 341         p_bulletin = p_vf->bulletin.p_virt;
 342
 343         /* Increment bulletin board version and compute crc */
 344         p_bulletin->version++;
 345         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 346                                 p_vf->bulletin.size - crc_size);
 347
 348         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 349                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 350                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 351
 352         /* propagate bulletin board via dmae to vm memory */
 353         memset(&params, 0, sizeof(params));
 354         params.flags = QED_DMAE_FLAG_VF_DST;
 355         params.dst_vfid = p_vf->abs_vf_id;
 356         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 357                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 358                                   &params);
 359 }
 360
 361 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 362 {
 363         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 364         int pos = iov->pos;
 365
 366         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 367         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 368
 369         pci_read_config_word(cdev->pdev,
 370                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 371         pci_read_config_word(cdev->pdev,
 372                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 373
 374         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 375         if (iov->num_vfs) {
 376                 DP_VERBOSE(cdev,
 377                            QED_MSG_IOV,
 378                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 379                 iov->num_vfs = 0;
 380         }
 381
 382         pci_read_config_word(cdev->pdev,
 383                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 384
 385         pci_read_config_word(cdev->pdev,
 386                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 387
 388         pci_read_config_word(cdev->pdev,
 389                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 390
 391         pci_read_config_dword(cdev->pdev,
 392                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 393
 394         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 395
 396         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 397
 398         DP_VERBOSE(cdev,
 399                    QED_MSG_IOV,
 400                    "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",
 401                    iov->nres,
 402                    iov->cap,
 403                    iov->ctrl,
 404                    iov->total_vfs,
 405                    iov->initial_vfs,
 406                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 407
 408         /* Some sanity checks */
 409         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 410             iov->total_vfs > NUM_OF_VFS(cdev)) {
 411                 /* This can happen only due to a bug. In this case we set
 412                  * num_vfs to zero to avoid memory corruption in the code that
 413                  * assumes max number of vfs
 414                  */
 415                 DP_NOTICE(cdev,
 416                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 417                           iov->num_vfs);
 418
 419                 iov->num_vfs = 0;
 420                 iov->total_vfs = 0;
 421         }
 422
 423         return 0;
 424 }
 425
 426 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 427 {
 428         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 429         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 430         struct qed_bulletin_content *p_bulletin_virt;
 431         dma_addr_t req_p, rply_p, bulletin_p;
 432         union pfvf_tlvs *p_reply_virt_addr;
 433         union vfpf_tlvs *p_req_virt_addr;
 434         u8 idx = 0;
 435
 436         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 437
 438         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 439         req_p = p_iov_info->mbx_msg_phys_addr;
 440         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 441         rply_p = p_iov_info->mbx_reply_phys_addr;
 442         p_bulletin_virt = p_iov_info->p_bulletins;
 443         bulletin_p = p_iov_info->bulletins_phys;
 444         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 445                 DP_ERR(p_hwfn,
 446                        "qed_iov_setup_vfdb called without allocating mem first\n");
 447                 return;
 448         }
 449
 450         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 451                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 452                 u32 concrete;
 453
 454                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 455                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 456                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 457                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 458
 459                 vf->state = VF_STOPPED;
 460                 vf->b_init = false;
 461
 462                 vf->bulletin.phys = idx *
 463                                     sizeof(struct qed_bulletin_content) +
 464                                     bulletin_p;
 465                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 466                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 467
 468                 vf->relative_vf_id = idx;
 469                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 470                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 471                 vf->concrete_fid = concrete;
 472                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 473                                  (vf->abs_vf_id << 8);
 474                 vf->vport_id = idx + 1;
 475
 476                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 477                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 478         }
 479 }
 480
 481 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 482 {
 483         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 484         void **p_v_addr;
 485         u16 num_vfs = 0;
 486
 487         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 488
 489         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 490                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 491
 492         /* Allocate PF Mailbox buffer (per-VF) */
 493         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 494         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 495         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 496                                        p_iov_info->mbx_msg_size,
 497                                        &p_iov_info->mbx_msg_phys_addr,
 498                                        GFP_KERNEL);
 499         if (!*p_v_addr)
 500                 return -ENOMEM;
 501
 502         /* Allocate PF Mailbox Reply buffer (per-VF) */
 503         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 504         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 505         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 506                                        p_iov_info->mbx_reply_size,
 507                                        &p_iov_info->mbx_reply_phys_addr,
 508                                        GFP_KERNEL);
 509         if (!*p_v_addr)
 510                 return -ENOMEM;
 511
 512         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 513                                      num_vfs;
 514         p_v_addr = &p_iov_info->p_bulletins;
 515         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 516                                        p_iov_info->bulletins_size,
 517                                        &p_iov_info->bulletins_phys,
 518                                        GFP_KERNEL);
 519         if (!*p_v_addr)
 520                 return -ENOMEM;
 521
 522         DP_VERBOSE(p_hwfn,
 523                    QED_MSG_IOV,
 524                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 525                    p_iov_info->mbx_msg_virt_addr,
 526                    (u64) p_iov_info->mbx_msg_phys_addr,
 527                    p_iov_info->mbx_reply_virt_addr,
 528                    (u64) p_iov_info->mbx_reply_phys_addr,
 529                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 530
 531         return 0;
 532 }
 533
 534 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 535 {
 536         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 537
 538         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 539                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 540                                   p_iov_info->mbx_msg_size,
 541                                   p_iov_info->mbx_msg_virt_addr,
 542                                   p_iov_info->mbx_msg_phys_addr);
 543
 544         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 545                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 546                                   p_iov_info->mbx_reply_size,
 547                                   p_iov_info->mbx_reply_virt_addr,
 548                                   p_iov_info->mbx_reply_phys_addr);
 549
 550         if (p_iov_info->p_bulletins)
 551                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 552                                   p_iov_info->bulletins_size,
 553                                   p_iov_info->p_bulletins,
 554                                   p_iov_info->bulletins_phys);
 555 }
 556
 557 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 558 {
 559         struct qed_pf_iov *p_sriov;
 560
 561         if (!IS_PF_SRIOV(p_hwfn)) {
 562                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 563                            "No SR-IOV - no need for IOV db\n");
 564                 return 0;
 565         }
 566
 567         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 568         if (!p_sriov)
 569                 return -ENOMEM;
 570
 571         p_hwfn->pf_iov_info = p_sriov;
 572
 573         qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 574                                   qed_sriov_eqe_event);
 575
 576         return qed_iov_allocate_vfdb(p_hwfn);
 577 }
 578
 579 void qed_iov_setup(struct qed_hwfn *p_hwfn)
 580 {
 581         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 582                 return;
 583
 584         qed_iov_setup_vfdb(p_hwfn);
 585 }
 586
 587 void qed_iov_free(struct qed_hwfn *p_hwfn)
 588 {
 589         qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 590
 591         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 592                 qed_iov_free_vfdb(p_hwfn);
 593                 kfree(p_hwfn->pf_iov_info);
 594         }
 595 }
 596
 597 void qed_iov_free_hw_info(struct qed_dev *cdev)
 598 {
 599         kfree(cdev->p_iov_info);
 600         cdev->p_iov_info = NULL;
 601 }
 602
 603 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 604 {
 605         struct qed_dev *cdev = p_hwfn->cdev;
 606         int pos;
 607         int rc;
 608
 609         if (IS_VF(p_hwfn->cdev))
 610                 return 0;
 611
 612         /* Learn the PCI configuration */
 613         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 614                                       PCI_EXT_CAP_ID_SRIOV);
 615         if (!pos) {
 616                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 617                 return 0;
 618         }
 619
 620         /* Allocate a new struct for IOV information */
 621         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 622         if (!cdev->p_iov_info)
 623                 return -ENOMEM;
 624
 625         cdev->p_iov_info->pos = pos;
 626
 627         rc = qed_iov_pci_cfg_info(cdev);
 628         if (rc)
 629                 return rc;
 630
 631         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 632          * In case the capability is published but there are no VFs, simply
 633          * de-allocate the struct.
 634          */
 635         if (!cdev->p_iov_info->total_vfs) {
 636                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 637                            "IOV capabilities, but no VFs are published\n");
 638                 kfree(cdev->p_iov_info);
 639                 cdev->p_iov_info = NULL;
 640                 return 0;
 641         }
 642
 643         /* First VF index based on offset is tricky:
 644          *  - If ARI is supported [likely], offset - (16 - pf_id) would
 645          *    provide the number for eng0. 2nd engine Vfs would begin
 646          *    after the first engine's VFs.
 647          *  - If !ARI, VFs would start on next device.
 648          *    so offset - (256 - pf_id) would provide the number.
 649          * Utilize the fact that (256 - pf_id) is achieved only by later
 650          * to differentiate between the two.
 651          */
 652
 653         if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 654                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 655                             p_hwfn->abs_pf_id - 16;
 656
 657                 cdev->p_iov_info->first_vf_in_pf = first;
 658
 659                 if (QED_PATH_ID(p_hwfn))
 660                         cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 661         } else {
 662                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 663                             p_hwfn->abs_pf_id - 256;
 664
 665                 cdev->p_iov_info->first_vf_in_pf = first;
 666         }
 667
 668         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 669                    "First VF in hwfn 0x%08x\n",
 670                    cdev->p_iov_info->first_vf_in_pf);
 671
 672         return 0;
 673 }
 674
 675 bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 676                               int vfid, bool b_fail_malicious)
 677 {
 678         /* Check PF supports sriov */
 679         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 680             !IS_PF_SRIOV_ALLOC(p_hwfn))
 681                 return false;
 682
 683         /* Check VF validity */
 684         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 685                 return false;
 686
 687         return true;
 688 }
 689
 690 bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 691 {
 692         return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 693 }
 694
 695 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 696                                       u16 rel_vf_id, u8 to_disable)
 697 {
 698         struct qed_vf_info *vf;
 699         int i;
 700
 701         for_each_hwfn(cdev, i) {
 702                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 703
 704                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 705                 if (!vf)
 706                         continue;
 707
 708                 vf->to_disable = to_disable;
 709         }
 710 }
 711
 712 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 713 {
 714         u16 i;
 715
 716         if (!IS_QED_SRIOV(cdev))
 717                 return;
 718
 719         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 720                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 721 }
 722
 723 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 724                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 725 {
 726         qed_wr(p_hwfn, p_ptt,
 727                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 728                1 << (abs_vfid & 0x1f));
 729 }
 730
 731 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 732                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 733 {
 734         int i;
 735
 736         /* Set VF masks and configuration - pretend */
 737         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 738
 739         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 740
 741         /* unpretend */
 742         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 743
 744         /* iterate over all queues, clear sb consumer */
 745         for (i = 0; i < vf->num_sbs; i++)
 746                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 747                                                 vf->igu_sbs[i],
 748                                                 vf->opaque_fid, true);
 749 }
 750
 751 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 752                                    struct qed_ptt *p_ptt,
 753                                    struct qed_vf_info *vf, bool enable)
 754 {
 755         u32 igu_vf_conf;
 756
 757         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 758
 759         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 760
 761         if (enable)
 762                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 763         else
 764                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 765
 766         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 767
 768         /* unpretend */
 769         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 770 }
 771
 772 static int
 773 qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 774                               struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 775 {
 776         u8 current_max = 0;
 777         int i;
 778
 779         /* For AH onward, configuration is per-PF. Find maximum of all
 780          * the currently enabled child VFs, and set the number to be that.
 781          */
 782         if (!QED_IS_BB(p_hwfn->cdev)) {
 783                 qed_for_each_vf(p_hwfn, i) {
 784                         struct qed_vf_info *p_vf;
 785
 786                         p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 787                         if (!p_vf)
 788                                 continue;
 789
 790                         current_max = max_t(u8, current_max, p_vf->num_sbs);
 791                 }
 792         }
 793
 794         if (num_sbs > current_max)
 795                 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 796                                               abs_vf_id, num_sbs);
 797
 798         return 0;
 799 }
 800
 801 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 802                                     struct qed_ptt *p_ptt,
 803                                     struct qed_vf_info *vf)
 804 {
 805         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 806         int rc;
 807
 808         /* It's possible VF was previously considered malicious -
 809          * clear the indication even if we're only going to disable VF.
 810          */
 811         vf->b_malicious = false;
 812
 813         if (vf->to_disable)
 814                 return 0;
 815
 816         DP_VERBOSE(p_hwfn,
 817                    QED_MSG_IOV,
 818                    "Enable internal access for vf %x [abs %x]\n",
 819                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 820
 821         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 822
 823         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 824
 825         rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 826                                            vf->abs_vf_id, vf->num_sbs);
 827         if (rc)
 828                 return rc;
 829
 830         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 831
 832         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 833         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 834
 835         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 836                      p_hwfn->hw_info.hw_mode);
 837
 838         /* unpretend */
 839         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 840
 841         vf->state = VF_FREE;
 842
 843         return rc;
 844 }
 845
 846 /**
 847  * @brief qed_iov_config_perm_table - configure the permission
 848  *      zone table.
 849  *      In E4, queue zone permission table size is 320x9. There
 850  *      are 320 VF queues for single engine device (256 for dual
 851  *      engine device), and each entry has the following format:
 852  *      {Valid, VF[7:0]}
 853  * @param p_hwfn
 854  * @param p_ptt
 855  * @param vf
 856  * @param enable
 857  */
 858 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 859                                       struct qed_ptt *p_ptt,
 860                                       struct qed_vf_info *vf, u8 enable)
 861 {
 862         u32 reg_addr, val;
 863         u16 qzone_id = 0;
 864         int qid;
 865
 866         for (qid = 0; qid < vf->num_rxqs; qid++) {
 867                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 868                                 &qzone_id);
 869
 870                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 871                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 872                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 873         }
 874 }
 875
 876 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 877                                       struct qed_ptt *p_ptt,
 878                                       struct qed_vf_info *vf)
 879 {
 880         /* Reset vf in IGU - interrupts are still disabled */
 881         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 882
 883         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 884
 885         /* Permission Table */
 886         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 887 }
 888
 889 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 890                                    struct qed_ptt *p_ptt,
 891                                    struct qed_vf_info *vf, u16 num_rx_queues)
 892 {
 893         struct qed_igu_block *p_block;
 894         struct cau_sb_entry sb_entry;
 895         int qid = 0;
 896         u32 val = 0;
 897
 898         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 899                 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 900         p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 901
 902         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 903         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 904         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 905
 906         for (qid = 0; qid < num_rx_queues; qid++) {
 907                 p_block = qed_get_igu_free_sb(p_hwfn, false);
 908                 vf->igu_sbs[qid] = p_block->igu_sb_id;
 909                 p_block->status &= ~QED_IGU_STATUS_FREE;
 910                 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 911
 912                 qed_wr(p_hwfn, p_ptt,
 913                        IGU_REG_MAPPING_MEMORY +
 914                        sizeof(u32) * p_block->igu_sb_id, val);
 915
 916                 /* Configure igu sb in CAU which were marked valid */
 917                 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 918                                       p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 919                 qed_dmae_host2grc(p_hwfn, p_ptt,
 920                                   (u64)(uintptr_t)&sb_entry,
 921                                   CAU_REG_SB_VAR_MEMORY +
 922                                   p_block->igu_sb_id * sizeof(u64), 2, 0);
 923         }
 924
 925         vf->num_sbs = (u8) num_rx_queues;
 926
 927         return vf->num_sbs;
 928 }
 929
 930 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 931                                     struct qed_ptt *p_ptt,
 932                                     struct qed_vf_info *vf)
 933 {
 934         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 935         int idx, igu_id;
 936         u32 addr, val;
 937
 938         /* Invalidate igu CAM lines and mark them as free */
 939         for (idx = 0; idx < vf->num_sbs; idx++) {
 940                 igu_id = vf->igu_sbs[idx];
 941                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 942
 943                 val = qed_rd(p_hwfn, p_ptt, addr);
 944                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 945                 qed_wr(p_hwfn, p_ptt, addr, val);
 946
 947                 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
 948                 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
 949         }
 950
 951         vf->num_sbs = 0;
 952 }
 953
 954 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 955                              u16 vfid,
 956                              struct qed_mcp_link_params *params,
 957                              struct qed_mcp_link_state *link,
 958                              struct qed_mcp_link_capabilities *p_caps)
 959 {
 960         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 961                                                        vfid,
 962                                                        false);
 963         struct qed_bulletin_content *p_bulletin;
 964
 965         if (!p_vf)
 966                 return;
 967
 968         p_bulletin = p_vf->bulletin.p_virt;
 969         p_bulletin->req_autoneg = params->speed.autoneg;
 970         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 971         p_bulletin->req_forced_speed = params->speed.forced_speed;
 972         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 973         p_bulletin->req_forced_rx = params->pause.forced_rx;
 974         p_bulletin->req_forced_tx = params->pause.forced_tx;
 975         p_bulletin->req_loopback = params->loopback_mode;
 976
 977         p_bulletin->link_up = link->link_up;
 978         p_bulletin->speed = link->speed;
 979         p_bulletin->full_duplex = link->full_duplex;
 980         p_bulletin->autoneg = link->an;
 981         p_bulletin->autoneg_complete = link->an_complete;
 982         p_bulletin->parallel_detection = link->parallel_detection;
 983         p_bulletin->pfc_enabled = link->pfc_enabled;
 984         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 985         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 986         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 987         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 988         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 989
 990         p_bulletin->capability_speed = p_caps->speed_capabilities;
 991 }
 992
 993 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 994                                   struct qed_ptt *p_ptt,
 995                                   struct qed_iov_vf_init_params *p_params)
 996 {
 997         struct qed_mcp_link_capabilities link_caps;
 998         struct qed_mcp_link_params link_params;
 999         struct qed_mcp_link_state link_state;
1000         u8 num_of_vf_avaiable_chains = 0;
1001         struct qed_vf_info *vf = NULL;
1002         u16 qid, num_irqs;
1003         int rc = 0;
1004         u32 cids;
1005         u8 i;
1006
1007         vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
1008         if (!vf) {
1009                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
1010                 return -EINVAL;
1011         }
1012
1013         if (vf->b_init) {
1014                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
1015                           p_params->rel_vf_id);
1016                 return -EINVAL;
1017         }
1018
1019         /* Perform sanity checking on the requested queue_id */
1020         for (i = 0; i < p_params->num_queues; i++) {
1021                 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1022                 u16 max_vf_qzone = min_vf_qzone +
1023                     FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1024
1025                 qid = p_params->req_rx_queue[i];
1026                 if (qid < min_vf_qzone || qid > max_vf_qzone) {
1027                         DP_NOTICE(p_hwfn,
1028                                   "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1029                                   qid,
1030                                   p_params->rel_vf_id,
1031                                   min_vf_qzone, max_vf_qzone);
1032                         return -EINVAL;
1033                 }
1034
1035                 qid = p_params->req_tx_queue[i];
1036                 if (qid > max_vf_qzone) {
1037                         DP_NOTICE(p_hwfn,
1038                                   "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1039                                   qid, p_params->rel_vf_id, max_vf_qzone);
1040                         return -EINVAL;
1041                 }
1042
1043                 /* If client *really* wants, Tx qid can be shared with PF */
1044                 if (qid < min_vf_qzone)
1045                         DP_VERBOSE(p_hwfn,
1046                                    QED_MSG_IOV,
1047                                    "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1048                                    p_params->rel_vf_id, qid, i);
1049         }
1050
1051         /* Limit number of queues according to number of CIDs */
1052         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1053         DP_VERBOSE(p_hwfn,
1054                    QED_MSG_IOV,
1055                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
1056                    vf->relative_vf_id, p_params->num_queues, (u16)cids);
1057         num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1058
1059         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1060                                                              p_ptt,
1061                                                              vf, num_irqs);
1062         if (!num_of_vf_avaiable_chains) {
1063                 DP_ERR(p_hwfn, "no available igu sbs\n");
1064                 return -ENOMEM;
1065         }
1066
1067         /* Choose queue number and index ranges */
1068         vf->num_rxqs = num_of_vf_avaiable_chains;
1069         vf->num_txqs = num_of_vf_avaiable_chains;
1070
1071         for (i = 0; i < vf->num_rxqs; i++) {
1072                 struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1073
1074                 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1075                 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1076
1077                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1078                            "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1079                            vf->relative_vf_id, i, vf->igu_sbs[i],
1080                            p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1081         }
1082
1083         /* Update the link configuration in bulletin */
1084         memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1085                sizeof(link_params));
1086         memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1087         memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1088                sizeof(link_caps));
1089         qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1090                          &link_params, &link_state, &link_caps);
1091
1092         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1093         if (!rc) {
1094                 vf->b_init = true;
1095
1096                 if (IS_LEAD_HWFN(p_hwfn))
1097                         p_hwfn->cdev->p_iov_info->num_vfs++;
1098         }
1099
1100         return rc;
1101 }
1102
1103 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1104                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
1105 {
1106         struct qed_mcp_link_capabilities caps;
1107         struct qed_mcp_link_params params;
1108         struct qed_mcp_link_state link;
1109         struct qed_vf_info *vf = NULL;
1110
1111         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1112         if (!vf) {
1113                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1114                 return -EINVAL;
1115         }
1116
1117         if (vf->bulletin.p_virt)
1118                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1119
1120         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1121
1122         /* Get the link configuration back in bulletin so
1123          * that when VFs are re-enabled they get the actual
1124          * link configuration.
1125          */
1126         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1127         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1128         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1129         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1130
1131         /* Forget the VF's acquisition message */
1132         memset(&vf->acquire, 0, sizeof(vf->acquire));
1133
1134         /* disablng interrupts and resetting permission table was done during
1135          * vf-close, however, we could get here without going through vf_close
1136          */
1137         /* Disable Interrupts for VF */
1138         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1139
1140         /* Reset Permission table */
1141         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1142
1143         vf->num_rxqs = 0;
1144         vf->num_txqs = 0;
1145         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1146
1147         if (vf->b_init) {
1148                 vf->b_init = false;
1149
1150                 if (IS_LEAD_HWFN(p_hwfn))
1151                         p_hwfn->cdev->p_iov_info->num_vfs--;
1152         }
1153
1154         return 0;
1155 }
1156
1157 static bool qed_iov_tlv_supported(u16 tlvtype)
1158 {
1159         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1160 }
1161
1162 /* place a given tlv on the tlv buffer, continuing current tlv list */
1163 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1164 {
1165         struct channel_tlv *tl = (struct channel_tlv *)*offset;
1166
1167         tl->type = type;
1168         tl->length = length;
1169
1170         /* Offset should keep pointing to next TLV (the end of the last) */
1171         *offset += length;
1172
1173         /* Return a pointer to the start of the added tlv */
1174         return *offset - length;
1175 }
1176
1177 /* list the types and lengths of the tlvs on the buffer */
1178 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1179 {
1180         u16 i = 1, total_length = 0;
1181         struct channel_tlv *tlv;
1182
1183         do {
1184                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1185
1186                 /* output tlv */
1187                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1188                            "TLV number %d: type %d, length %d\n",
1189                            i, tlv->type, tlv->length);
1190
1191                 if (tlv->type == CHANNEL_TLV_LIST_END)
1192                         return;
1193
1194                 /* Validate entry - protect against malicious VFs */
1195                 if (!tlv->length) {
1196                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1197                         return;
1198                 }
1199
1200                 total_length += tlv->length;
1201
1202                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1203                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1204                         return;
1205                 }
1206
1207                 i++;
1208         } while (1);
1209 }
1210
1211 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1212                                   struct qed_ptt *p_ptt,
1213                                   struct qed_vf_info *p_vf,
1214                                   u16 length, u8 status)
1215 {
1216         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1217         struct qed_dmae_params params;
1218         u8 eng_vf_id;
1219
1220         mbx->reply_virt->default_resp.hdr.status = status;
1221
1222         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1223
1224         eng_vf_id = p_vf->abs_vf_id;
1225
1226         memset(&params, 0, sizeof(struct qed_dmae_params));
1227         params.flags = QED_DMAE_FLAG_VF_DST;
1228         params.dst_vfid = eng_vf_id;
1229
1230         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1231                            mbx->req_virt->first_tlv.reply_address +
1232                            sizeof(u64),
1233                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1234                            &params);
1235
1236         /* Once PF copies the rc to the VF, the latter can continue
1237          * and send an additional message. So we have to make sure the
1238          * channel would be re-set to ready prior to that.
1239          */
1240         REG_WR(p_hwfn,
1241                GTT_BAR0_MAP_REG_USDM_RAM +
1242                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1243
1244         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1245                            mbx->req_virt->first_tlv.reply_address,
1246                            sizeof(u64) / 4, &params);
1247 }
1248
1249 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1250                                 enum qed_iov_vport_update_flag flag)
1251 {
1252         switch (flag) {
1253         case QED_IOV_VP_UPDATE_ACTIVATE:
1254                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1255         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1256                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1257         case QED_IOV_VP_UPDATE_TX_SWITCH:
1258                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1259         case QED_IOV_VP_UPDATE_MCAST:
1260                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1261         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1262                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1263         case QED_IOV_VP_UPDATE_RSS:
1264                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1265         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1266                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1267         case QED_IOV_VP_UPDATE_SGE_TPA:
1268                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1269         default:
1270                 return 0;
1271         }
1272 }
1273
1274 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1275                                             struct qed_vf_info *p_vf,
1276                                             struct qed_iov_vf_mbx *p_mbx,
1277                                             u8 status,
1278                                             u16 tlvs_mask, u16 tlvs_accepted)
1279 {
1280         struct pfvf_def_resp_tlv *resp;
1281         u16 size, total_len, i;
1282
1283         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1284         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1285         size = sizeof(struct pfvf_def_resp_tlv);
1286         total_len = size;
1287
1288         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1289
1290         /* Prepare response for all extended tlvs if they are found by PF */
1291         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1292                 if (!(tlvs_mask & BIT(i)))
1293                         continue;
1294
1295                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1296                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1297
1298                 if (tlvs_accepted & BIT(i))
1299                         resp->hdr.status = status;
1300                 else
1301                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1302
1303                 DP_VERBOSE(p_hwfn,
1304                            QED_MSG_IOV,
1305                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1306                            p_vf->relative_vf_id,
1307                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1308
1309                 total_len += size;
1310         }
1311
1312         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1313                     sizeof(struct channel_list_end_tlv));
1314
1315         return total_len;
1316 }
1317
1318 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1319                                  struct qed_ptt *p_ptt,
1320                                  struct qed_vf_info *vf_info,
1321                                  u16 type, u16 length, u8 status)
1322 {
1323         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1324
1325         mbx->offset = (u8 *)mbx->reply_virt;
1326
1327         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1328         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1329                     sizeof(struct channel_list_end_tlv));
1330
1331         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1332 }
1333
1334 static struct
1335 qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1336                                                u16 relative_vf_id,
1337                                                bool b_enabled_only)
1338 {
1339         struct qed_vf_info *vf = NULL;
1340
1341         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1342         if (!vf)
1343                 return NULL;
1344
1345         return &vf->p_vf_info;
1346 }
1347
1348 static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1349 {
1350         struct qed_public_vf_info *vf_info;
1351
1352         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1353
1354         if (!vf_info)
1355                 return;
1356
1357         /* Clear the VF mac */
1358         eth_zero_addr(vf_info->mac);
1359
1360         vf_info->rx_accept_mode = 0;
1361         vf_info->tx_accept_mode = 0;
1362 }
1363
1364 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1365                                struct qed_vf_info *p_vf)
1366 {
1367         u32 i, j;
1368
1369         p_vf->vf_bulletin = 0;
1370         p_vf->vport_instance = 0;
1371         p_vf->configured_features = 0;
1372
1373         /* If VF previously requested less resources, go back to default */
1374         p_vf->num_rxqs = p_vf->num_sbs;
1375         p_vf->num_txqs = p_vf->num_sbs;
1376
1377         p_vf->num_active_rxqs = 0;
1378
1379         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1380                 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1381
1382                 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1383                         if (!p_queue->cids[j].p_cid)
1384                                 continue;
1385
1386                         qed_eth_queue_cid_release(p_hwfn,
1387                                                   p_queue->cids[j].p_cid);
1388                         p_queue->cids[j].p_cid = NULL;
1389                 }
1390         }
1391
1392         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1393         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1394         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1395 }
1396
1397 /* Returns either 0, or log(size) */
1398 static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1399                                   struct qed_ptt *p_ptt)
1400 {
1401         u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1402
1403         if (val)
1404                 return val + 11;
1405         return 0;
1406 }
1407
1408 static void
1409 qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1410                                  struct qed_ptt *p_ptt,
1411                                  struct qed_vf_info *p_vf,
1412                                  struct vf_pf_resc_request *p_req,
1413                                  struct pf_vf_resc *p_resp)
1414 {
1415         u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1416         u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1417                      qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1418         u32 bar_size;
1419
1420         p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1421
1422         /* If VF didn't bother asking for QIDs than don't bother limiting
1423          * number of CIDs. The VF doesn't care about the number, and this
1424          * has the likely result of causing an additional acquisition.
1425          */
1426         if (!(p_vf->acquire.vfdev_info.capabilities &
1427               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1428                 return;
1429
1430         /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1431          * that would make sure doorbells for all CIDs fall within the bar.
1432          * If it doesn't, make sure regview window is sufficient.
1433          */
1434         if (p_vf->acquire.vfdev_info.capabilities &
1435             VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1436                 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1437                 if (bar_size)
1438                         bar_size = 1 << bar_size;
1439
1440                 if (p_hwfn->cdev->num_hwfns > 1)
1441                         bar_size /= 2;
1442         } else {
1443                 bar_size = PXP_VF_BAR0_DQ_LENGTH;
1444         }
1445
1446         if (bar_size / db_size < 256)
1447                 p_resp->num_cids = min_t(u8, p_resp->num_cids,
1448                                          (u8)(bar_size / db_size));
1449 }
1450
1451 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1452                                       struct qed_ptt *p_ptt,
1453                                       struct qed_vf_info *p_vf,
1454                                       struct vf_pf_resc_request *p_req,
1455                                       struct pf_vf_resc *p_resp)
1456 {
1457         u8 i;
1458
1459         /* Queue related information */
1460         p_resp->num_rxqs = p_vf->num_rxqs;
1461         p_resp->num_txqs = p_vf->num_txqs;
1462         p_resp->num_sbs = p_vf->num_sbs;
1463
1464         for (i = 0; i < p_resp->num_sbs; i++) {
1465                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1466                 p_resp->hw_sbs[i].sb_qid = 0;
1467         }
1468
1469         /* These fields are filled for backward compatibility.
1470          * Unused by modern vfs.
1471          */
1472         for (i = 0; i < p_resp->num_rxqs; i++) {
1473                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1474                                 (u16 *)&p_resp->hw_qid[i]);
1475                 p_resp->cid[i] = i;
1476         }
1477
1478         /* Filter related information */
1479         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1480                                         p_req->num_mac_filters);
1481         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1482                                          p_req->num_vlan_filters);
1483
1484         qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
1485
1486         /* This isn't really needed/enforced, but some legacy VFs might depend
1487          * on the correct filling of this field.
1488          */
1489         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1490
1491         /* Validate sufficient resources for VF */
1492         if (p_resp->num_rxqs < p_req->num_rxqs ||
1493             p_resp->num_txqs < p_req->num_txqs ||
1494             p_resp->num_sbs < p_req->num_sbs ||
1495             p_resp->num_mac_filters < p_req->num_mac_filters ||
1496             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1497             p_resp->num_mc_filters < p_req->num_mc_filters ||
1498             p_resp->num_cids < p_req->num_cids) {
1499                 DP_VERBOSE(p_hwfn,
1500                            QED_MSG_IOV,
1501                            "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n",
1502                            p_vf->abs_vf_id,
1503                            p_req->num_rxqs,
1504                            p_resp->num_rxqs,
1505                            p_req->num_rxqs,
1506                            p_resp->num_txqs,
1507                            p_req->num_sbs,
1508                            p_resp->num_sbs,
1509                            p_req->num_mac_filters,
1510                            p_resp->num_mac_filters,
1511                            p_req->num_vlan_filters,
1512                            p_resp->num_vlan_filters,
1513                            p_req->num_mc_filters,
1514                            p_resp->num_mc_filters,
1515                            p_req->num_cids, p_resp->num_cids);
1516
1517                 /* Some legacy OSes are incapable of correctly handling this
1518                  * failure.
1519                  */
1520                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1521                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1522                     (p_vf->acquire.vfdev_info.os_type ==
1523                      VFPF_ACQUIRE_OS_WINDOWS))
1524                         return PFVF_STATUS_SUCCESS;
1525
1526                 return PFVF_STATUS_NO_RESOURCE;
1527         }
1528
1529         return PFVF_STATUS_SUCCESS;
1530 }
1531
1532 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1533                                          struct pfvf_stats_info *p_stats)
1534 {
1535         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1536                                   offsetof(struct mstorm_vf_zone,
1537                                            non_trigger.eth_queue_stat);
1538         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1539         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1540                                   offsetof(struct ustorm_vf_zone,
1541                                            non_trigger.eth_queue_stat);
1542         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1543         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1544                                   offsetof(struct pstorm_vf_zone,
1545                                            non_trigger.eth_queue_stat);
1546         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1547         p_stats->tstats.address = 0;
1548         p_stats->tstats.len = 0;
1549 }
1550
1551 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1552                                    struct qed_ptt *p_ptt,
1553                                    struct qed_vf_info *vf)
1554 {
1555         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1556         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1557         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1558         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1559         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1560         struct pf_vf_resc *resc = &resp->resc;
1561         int rc;
1562
1563         memset(resp, 0, sizeof(*resp));
1564
1565         /* Write the PF version so that VF would know which version
1566          * is supported - might be later overriden. This guarantees that
1567          * VF could recognize legacy PF based on lack of versions in reply.
1568          */
1569         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1570         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1571
1572         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1573                 DP_VERBOSE(p_hwfn,
1574                            QED_MSG_IOV,
1575                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1576                            vf->abs_vf_id, vf->state);
1577                 goto out;
1578         }
1579
1580         /* Validate FW compatibility */
1581         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1582                 if (req->vfdev_info.capabilities &
1583                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1584                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1585
1586                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1587                                    "VF[%d] is pre-fastpath HSI\n",
1588                                    vf->abs_vf_id);
1589                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1590                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1591                 } else {
1592                         DP_INFO(p_hwfn,
1593                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1594                                 vf->abs_vf_id,
1595                                 req->vfdev_info.eth_fp_hsi_major,
1596                                 req->vfdev_info.eth_fp_hsi_minor,
1597                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1598
1599                         goto out;
1600                 }
1601         }
1602
1603         /* On 100g PFs, prevent old VFs from loading */
1604         if ((p_hwfn->cdev->num_hwfns > 1) &&
1605             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1606                 DP_INFO(p_hwfn,
1607                         "VF[%d] is running an old driver that doesn't support 100g\n",
1608                         vf->abs_vf_id);
1609                 goto out;
1610         }
1611
1612         /* Store the acquire message */
1613         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1614
1615         vf->opaque_fid = req->vfdev_info.opaque_fid;
1616
1617         vf->vf_bulletin = req->bulletin_addr;
1618         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1619                             vf->bulletin.size : req->bulletin_size;
1620
1621         /* fill in pfdev info */
1622         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1623         pfdev_info->db_size = 0;
1624         pfdev_info->indices_per_sb = PIS_PER_SB_E4;
1625
1626         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1627                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1628         if (p_hwfn->cdev->num_hwfns > 1)
1629                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1630
1631         /* Share our ability to use multiple queue-ids only with VFs
1632          * that request it.
1633          */
1634         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1635                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1636
1637         /* Share the sizes of the bars with VF */
1638         resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1639
1640         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1641
1642         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1643
1644         pfdev_info->fw_major = FW_MAJOR_VERSION;
1645         pfdev_info->fw_minor = FW_MINOR_VERSION;
1646         pfdev_info->fw_rev = FW_REVISION_VERSION;
1647         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1648
1649         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1650          * this field.
1651          */
1652         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1653                                          req->vfdev_info.eth_fp_hsi_minor);
1654         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1655         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1656
1657         pfdev_info->dev_type = p_hwfn->cdev->type;
1658         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1659
1660         /* Fill resources available to VF; Make sure there are enough to
1661          * satisfy the VF's request.
1662          */
1663         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1664                                                   &req->resc_request, resc);
1665         if (vfpf_status != PFVF_STATUS_SUCCESS)
1666                 goto out;
1667
1668         /* Start the VF in FW */
1669         rc = qed_sp_vf_start(p_hwfn, vf);
1670         if (rc) {
1671                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1672                 vfpf_status = PFVF_STATUS_FAILURE;
1673                 goto out;
1674         }
1675
1676         /* Fill agreed size of bulletin board in response */
1677         resp->bulletin_size = vf->bulletin.size;
1678         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1679
1680         DP_VERBOSE(p_hwfn,
1681                    QED_MSG_IOV,
1682                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1683                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1684                    vf->abs_vf_id,
1685                    resp->pfdev_info.chip_num,
1686                    resp->pfdev_info.db_size,
1687                    resp->pfdev_info.indices_per_sb,
1688                    resp->pfdev_info.capabilities,
1689                    resc->num_rxqs,
1690                    resc->num_txqs,
1691                    resc->num_sbs,
1692                    resc->num_mac_filters,
1693                    resc->num_vlan_filters);
1694         vf->state = VF_ACQUIRED;
1695
1696         /* Prepare Response */
1697 out:
1698         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1699                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1700 }
1701
1702 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1703                                   struct qed_vf_info *p_vf, bool val)
1704 {
1705         struct qed_sp_vport_update_params params;
1706         int rc;
1707
1708         if (val == p_vf->spoof_chk) {
1709                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1710                            "Spoofchk value[%d] is already configured\n", val);
1711                 return 0;
1712         }
1713
1714         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1715         params.opaque_fid = p_vf->opaque_fid;
1716         params.vport_id = p_vf->vport_id;
1717         params.update_anti_spoofing_en_flg = 1;
1718         params.anti_spoofing_en = val;
1719
1720         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1721         if (!rc) {
1722                 p_vf->spoof_chk = val;
1723                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1724                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1725                            "Spoofchk val[%d] configured\n", val);
1726         } else {
1727                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1728                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1729                            val, p_vf->relative_vf_id);
1730         }
1731
1732         return rc;
1733 }
1734
1735 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1736                                             struct qed_vf_info *p_vf)
1737 {
1738         struct qed_filter_ucast filter;
1739         int rc = 0;
1740         int i;
1741
1742         memset(&filter, 0, sizeof(filter));
1743         filter.is_rx_filter = 1;
1744         filter.is_tx_filter = 1;
1745         filter.vport_to_add_to = p_vf->vport_id;
1746         filter.opcode = QED_FILTER_ADD;
1747
1748         /* Reconfigure vlans */
1749         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1750                 if (!p_vf->shadow_config.vlans[i].used)
1751                         continue;
1752
1753                 filter.type = QED_FILTER_VLAN;
1754                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1755                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1756                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1757                            filter.vlan, p_vf->relative_vf_id);
1758                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1759                                              &filter, QED_SPQ_MODE_CB, NULL);
1760                 if (rc) {
1761                         DP_NOTICE(p_hwfn,
1762                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1763                                   filter.vlan, p_vf->relative_vf_id);
1764                         break;
1765                 }
1766         }
1767
1768         return rc;
1769 }
1770
1771 static int
1772 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1773                                    struct qed_vf_info *p_vf, u64 events)
1774 {
1775         int rc = 0;
1776
1777         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1778             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1779                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1780
1781         return rc;
1782 }
1783
1784 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1785                                           struct qed_vf_info *p_vf, u64 events)
1786 {
1787         int rc = 0;
1788         struct qed_filter_ucast filter;
1789
1790         if (!p_vf->vport_instance)
1791                 return -EINVAL;
1792
1793         if (events & BIT(MAC_ADDR_FORCED)) {
1794                 /* Since there's no way [currently] of removing the MAC,
1795                  * we can always assume this means we need to force it.
1796                  */
1797                 memset(&filter, 0, sizeof(filter));
1798                 filter.type = QED_FILTER_MAC;
1799                 filter.opcode = QED_FILTER_REPLACE;
1800                 filter.is_rx_filter = 1;
1801                 filter.is_tx_filter = 1;
1802                 filter.vport_to_add_to = p_vf->vport_id;
1803                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1804
1805                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1806                                              &filter, QED_SPQ_MODE_CB, NULL);
1807                 if (rc) {
1808                         DP_NOTICE(p_hwfn,
1809                                   "PF failed to configure MAC for VF\n");
1810                         return rc;
1811                 }
1812
1813                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1814         }
1815
1816         if (events & BIT(VLAN_ADDR_FORCED)) {
1817                 struct qed_sp_vport_update_params vport_update;
1818                 u8 removal;
1819                 int i;
1820
1821                 memset(&filter, 0, sizeof(filter));
1822                 filter.type = QED_FILTER_VLAN;
1823                 filter.is_rx_filter = 1;
1824                 filter.is_tx_filter = 1;
1825                 filter.vport_to_add_to = p_vf->vport_id;
1826                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1827                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1828                                               QED_FILTER_FLUSH;
1829
1830                 /* Send the ramrod */
1831                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1832                                              &filter, QED_SPQ_MODE_CB, NULL);
1833                 if (rc) {
1834                         DP_NOTICE(p_hwfn,
1835                                   "PF failed to configure VLAN for VF\n");
1836                         return rc;
1837                 }
1838
1839                 /* Update the default-vlan & silent vlan stripping */
1840                 memset(&vport_update, 0, sizeof(vport_update));
1841                 vport_update.opaque_fid = p_vf->opaque_fid;
1842                 vport_update.vport_id = p_vf->vport_id;
1843                 vport_update.update_default_vlan_enable_flg = 1;
1844                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1845                 vport_update.update_default_vlan_flg = 1;
1846                 vport_update.default_vlan = filter.vlan;
1847
1848                 vport_update.update_inner_vlan_removal_flg = 1;
1849                 removal = filter.vlan ? 1
1850                                       : p_vf->shadow_config.inner_vlan_removal;
1851                 vport_update.inner_vlan_removal_flg = removal;
1852                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1853                 rc = qed_sp_vport_update(p_hwfn,
1854                                          &vport_update,
1855                                          QED_SPQ_MODE_EBLOCK, NULL);
1856                 if (rc) {
1857                         DP_NOTICE(p_hwfn,
1858                                   "PF failed to configure VF vport for vlan\n");
1859                         return rc;
1860                 }
1861
1862                 /* Update all the Rx queues */
1863                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1864                         struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1865                         struct qed_queue_cid *p_cid = NULL;
1866
1867                         /* There can be at most 1 Rx queue on qzone. Find it */
1868                         p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1869                         if (!p_cid)
1870                                 continue;
1871
1872                         rc = qed_sp_eth_rx_queues_update(p_hwfn,
1873                                                          (void **)&p_cid,
1874                                                          1, 0, 1,
1875                                                          QED_SPQ_MODE_EBLOCK,
1876                                                          NULL);
1877                         if (rc) {
1878                                 DP_NOTICE(p_hwfn,
1879                                           "Failed to send Rx update fo queue[0x%04x]\n",
1880                                           p_cid->rel.queue_id);
1881                                 return rc;
1882                         }
1883                 }
1884
1885                 if (filter.vlan)
1886                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1887                 else
1888                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1889         }
1890
1891         /* If forced features are terminated, we need to configure the shadow
1892          * configuration back again.
1893          */
1894         if (events)
1895                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1896
1897         return rc;
1898 }
1899
1900 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1901                                        struct qed_ptt *p_ptt,
1902                                        struct qed_vf_info *vf)
1903 {
1904         struct qed_sp_vport_start_params params = { 0 };
1905         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1906         struct vfpf_vport_start_tlv *start;
1907         u8 status = PFVF_STATUS_SUCCESS;
1908         struct qed_vf_info *vf_info;
1909         u64 *p_bitmap;
1910         int sb_id;
1911         int rc;
1912
1913         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1914         if (!vf_info) {
1915                 DP_NOTICE(p_hwfn->cdev,
1916                           "Failed to get VF info, invalid vfid [%d]\n",
1917                           vf->relative_vf_id);
1918                 return;
1919         }
1920
1921         vf->state = VF_ENABLED;
1922         start = &mbx->req_virt->start_vport;
1923
1924         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1925
1926         /* Initialize Status block in CAU */
1927         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1928                 if (!start->sb_addr[sb_id]) {
1929                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1930                                    "VF[%d] did not fill the address of SB %d\n",
1931                                    vf->relative_vf_id, sb_id);
1932                         break;
1933                 }
1934
1935                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1936                                     start->sb_addr[sb_id],
1937                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1938         }
1939
1940         vf->mtu = start->mtu;
1941         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1942
1943         /* Take into consideration configuration forced by hypervisor;
1944          * If none is configured, use the supplied VF values [for old
1945          * vfs that would still be fine, since they passed '0' as padding].
1946          */
1947         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1948         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1949                 u8 vf_req = start->only_untagged;
1950
1951                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1952                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1953         }
1954
1955         params.tpa_mode = start->tpa_mode;
1956         params.remove_inner_vlan = start->inner_vlan_removal;
1957         params.tx_switching = true;
1958
1959         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1960         params.drop_ttl0 = false;
1961         params.concrete_fid = vf->concrete_fid;
1962         params.opaque_fid = vf->opaque_fid;
1963         params.vport_id = vf->vport_id;
1964         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1965         params.mtu = vf->mtu;
1966         params.check_mac = true;
1967
1968         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1969         if (rc) {
1970                 DP_ERR(p_hwfn,
1971                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1972                 status = PFVF_STATUS_FAILURE;
1973         } else {
1974                 vf->vport_instance++;
1975
1976                 /* Force configuration if needed on the newly opened vport */
1977                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1978
1979                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1980         }
1981         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1982                              sizeof(struct pfvf_def_resp_tlv), status);
1983 }
1984
1985 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1986                                       struct qed_ptt *p_ptt,
1987                                       struct qed_vf_info *vf)
1988 {
1989         u8 status = PFVF_STATUS_SUCCESS;
1990         int rc;
1991
1992         vf->vport_instance--;
1993         vf->spoof_chk = false;
1994
1995         if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
1996             (qed_iov_validate_active_txq(p_hwfn, vf))) {
1997                 vf->b_malicious = true;
1998                 DP_NOTICE(p_hwfn,
1999                           "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
2000                           vf->abs_vf_id);
2001                 status = PFVF_STATUS_MALICIOUS;
2002                 goto out;
2003         }
2004
2005         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
2006         if (rc) {
2007                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
2008                        rc);
2009                 status = PFVF_STATUS_FAILURE;
2010         }
2011
2012         /* Forget the configuration on the vport */
2013         vf->configured_features = 0;
2014         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2015
2016 out:
2017         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2018                              sizeof(struct pfvf_def_resp_tlv), status);
2019 }
2020
2021 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2022                                           struct qed_ptt *p_ptt,
2023                                           struct qed_vf_info *vf,
2024                                           u8 status, bool b_legacy)
2025 {
2026         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2027         struct pfvf_start_queue_resp_tlv *p_tlv;
2028         struct vfpf_start_rxq_tlv *req;
2029         u16 length;
2030
2031         mbx->offset = (u8 *)mbx->reply_virt;
2032
2033         /* Taking a bigger struct instead of adding a TLV to list was a
2034          * mistake, but one which we're now stuck with, as some older
2035          * clients assume the size of the previous response.
2036          */
2037         if (!b_legacy)
2038                 length = sizeof(*p_tlv);
2039         else
2040                 length = sizeof(struct pfvf_def_resp_tlv);
2041
2042         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2043                             length);
2044         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2045                     sizeof(struct channel_list_end_tlv));
2046
2047         /* Update the TLV with the response */
2048         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2049                 req = &mbx->req_virt->start_rxq;
2050                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2051                                 offsetof(struct mstorm_vf_zone,
2052                                          non_trigger.eth_rx_queue_producers) +
2053                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
2054         }
2055
2056         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2057 }
2058
2059 static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2060                              struct qed_vf_info *p_vf, bool b_is_tx)
2061 {
2062         struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2063         struct vfpf_qid_tlv *p_qid_tlv;
2064
2065         /* Search for the qid if the VF published its going to provide it */
2066         if (!(p_vf->acquire.vfdev_info.capabilities &
2067               VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2068                 if (b_is_tx)
2069                         return QED_IOV_LEGACY_QID_TX;
2070                 else
2071                         return QED_IOV_LEGACY_QID_RX;
2072         }
2073
2074         p_qid_tlv = (struct vfpf_qid_tlv *)
2075                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2076                                              CHANNEL_TLV_QID);
2077         if (!p_qid_tlv) {
2078                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2079                            "VF[%2x]: Failed to provide qid\n",
2080                            p_vf->relative_vf_id);
2081
2082                 return QED_IOV_QID_INVALID;
2083         }
2084
2085         if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2086                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2087                            "VF[%02x]: Provided qid out-of-bounds %02x\n",
2088                            p_vf->relative_vf_id, p_qid_tlv->qid);
2089                 return QED_IOV_QID_INVALID;
2090         }
2091
2092         return p_qid_tlv->qid;
2093 }
2094
2095 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2096                                      struct qed_ptt *p_ptt,
2097                                      struct qed_vf_info *vf)
2098 {
2099         struct qed_queue_start_common_params params;
2100         struct qed_queue_cid_vf_params vf_params;
2101         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2102         u8 status = PFVF_STATUS_NO_RESOURCE;
2103         u8 qid_usage_idx, vf_legacy = 0;
2104         struct vfpf_start_rxq_tlv *req;
2105         struct qed_vf_queue *p_queue;
2106         struct qed_queue_cid *p_cid;
2107         struct qed_sb_info sb_dummy;
2108         int rc;
2109
2110         req = &mbx->req_virt->start_rxq;
2111
2112         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2113                                   QED_IOV_VALIDATE_Q_DISABLE) ||
2114             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2115                 goto out;
2116
2117         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2118         if (qid_usage_idx == QED_IOV_QID_INVALID)
2119                 goto out;
2120
2121         p_queue = &vf->vf_queues[req->rx_qid];
2122         if (p_queue->cids[qid_usage_idx].p_cid)
2123                 goto out;
2124
2125         vf_legacy = qed_vf_calculate_legacy(vf);
2126
2127         /* Acquire a new queue-cid */
2128         memset(&params, 0, sizeof(params));
2129         params.queue_id = p_queue->fw_rx_qid;
2130         params.vport_id = vf->vport_id;
2131         params.stats_id = vf->abs_vf_id + 0x10;
2132         /* Since IGU index is passed via sb_info, construct a dummy one */
2133         memset(&sb_dummy, 0, sizeof(sb_dummy));
2134         sb_dummy.igu_sb_id = req->hw_sb;
2135         params.p_sb = &sb_dummy;
2136         params.sb_idx = req->sb_index;
2137
2138         memset(&vf_params, 0, sizeof(vf_params));
2139         vf_params.vfid = vf->relative_vf_id;
2140         vf_params.vf_qid = (u8)req->rx_qid;
2141         vf_params.vf_legacy = vf_legacy;
2142         vf_params.qid_usage_idx = qid_usage_idx;
2143         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2144                                      &params, true, &vf_params);
2145         if (!p_cid)
2146                 goto out;
2147
2148         /* Legacy VFs have their Producers in a different location, which they
2149          * calculate on their own and clean the producer prior to this.
2150          */
2151         if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2152                 REG_WR(p_hwfn,
2153                        GTT_BAR0_MAP_REG_MSDM_RAM +
2154                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2155                        0);
2156
2157         rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2158                                       req->bd_max_bytes,
2159                                       req->rxq_addr,
2160                                       req->cqe_pbl_addr, req->cqe_pbl_size);
2161         if (rc) {
2162                 status = PFVF_STATUS_FAILURE;
2163                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2164         } else {
2165                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2166                 p_queue->cids[qid_usage_idx].b_is_tx = false;
2167                 status = PFVF_STATUS_SUCCESS;
2168                 vf->num_active_rxqs++;
2169         }
2170
2171 out:
2172         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2173                                       !!(vf_legacy &
2174                                          QED_QCID_LEGACY_VF_RX_PROD));
2175 }
2176
2177 static void
2178 qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2179                                struct qed_tunnel_info *p_tun,
2180                                u16 tunn_feature_mask)
2181 {
2182         p_resp->tunn_feature_mask = tunn_feature_mask;
2183         p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2184         p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2185         p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2186         p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2187         p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2188         p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2189         p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2190         p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2191         p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2192         p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2193         p_resp->geneve_udp_port = p_tun->geneve_port.port;
2194         p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2195 }
2196
2197 static void
2198 __qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2199                               struct qed_tunn_update_type *p_tun,
2200                               enum qed_tunn_mode mask, u8 tun_cls)
2201 {
2202         if (p_req->tun_mode_update_mask & BIT(mask)) {
2203                 p_tun->b_update_mode = true;
2204
2205                 if (p_req->tunn_mode & BIT(mask))
2206                         p_tun->b_mode_enabled = true;
2207         }
2208
2209         p_tun->tun_cls = tun_cls;
2210 }
2211
2212 static void
2213 qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2214                             struct qed_tunn_update_type *p_tun,
2215                             struct qed_tunn_update_udp_port *p_port,
2216                             enum qed_tunn_mode mask,
2217                             u8 tun_cls, u8 update_port, u16 port)
2218 {
2219         if (update_port) {
2220                 p_port->b_update_port = true;
2221                 p_port->port = port;
2222         }
2223
2224         __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2225 }
2226
2227 static bool
2228 qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2229 {
2230         bool b_update_requested = false;
2231
2232         if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2233             p_req->update_geneve_port || p_req->update_vxlan_port)
2234                 b_update_requested = true;
2235
2236         return b_update_requested;
2237 }
2238
2239 static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2240 {
2241         if (tun->b_update_mode && !tun->b_mode_enabled) {
2242                 tun->b_update_mode = false;
2243                 *rc = -EINVAL;
2244         }
2245 }
2246
2247 static int
2248 qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2249                                    u16 *tun_features, bool *update,
2250                                    struct qed_tunnel_info *tun_src)
2251 {
2252         struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2253         struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2254         u16 bultn_vxlan_port, bultn_geneve_port;
2255         void *cookie = p_hwfn->cdev->ops_cookie;
2256         int i, rc = 0;
2257
2258         *tun_features = p_hwfn->cdev->tunn_feature_mask;
2259         bultn_vxlan_port = tun->vxlan_port.port;
2260         bultn_geneve_port = tun->geneve_port.port;
2261         qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2262         qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2263         qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2264         qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2265         qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2266
2267         if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2268             (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2269              tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2270              tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2271              tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2272              tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2273                 tun_src->b_update_rx_cls = false;
2274                 tun_src->b_update_tx_cls = false;
2275                 rc = -EINVAL;
2276         }
2277
2278         if (tun_src->vxlan_port.b_update_port) {
2279                 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2280                         tun_src->vxlan_port.b_update_port = false;
2281                 } else {
2282                         *update = true;
2283                         bultn_vxlan_port = tun_src->vxlan_port.port;
2284                 }
2285         }
2286
2287         if (tun_src->geneve_port.b_update_port) {
2288                 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2289                         tun_src->geneve_port.b_update_port = false;
2290                 } else {
2291                         *update = true;
2292                         bultn_geneve_port = tun_src->geneve_port.port;
2293                 }
2294         }
2295
2296         qed_for_each_vf(p_hwfn, i) {
2297                 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2298                                                bultn_geneve_port);
2299         }
2300
2301         qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2302         ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2303
2304         return rc;
2305 }
2306
2307 static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2308                                              struct qed_ptt *p_ptt,
2309                                              struct qed_vf_info *p_vf)
2310 {
2311         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2312         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2313         struct pfvf_update_tunn_param_tlv *p_resp;
2314         struct vfpf_update_tunn_param_tlv *p_req;
2315         u8 status = PFVF_STATUS_SUCCESS;
2316         bool b_update_required = false;
2317         struct qed_tunnel_info tunn;
2318         u16 tunn_feature_mask = 0;
2319         int i, rc = 0;
2320
2321         mbx->offset = (u8 *)mbx->reply_virt;
2322
2323         memset(&tunn, 0, sizeof(tunn));
2324         p_req = &mbx->req_virt->tunn_param_update;
2325
2326         if (!qed_iov_pf_validate_tunn_param(p_req)) {
2327                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2328                            "No tunnel update requested by VF\n");
2329                 status = PFVF_STATUS_FAILURE;
2330                 goto send_resp;
2331         }
2332
2333         tunn.b_update_rx_cls = p_req->update_tun_cls;
2334         tunn.b_update_tx_cls = p_req->update_tun_cls;
2335
2336         qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2337                                     QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2338                                     p_req->update_vxlan_port,
2339                                     p_req->vxlan_port);
2340         qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2341                                     QED_MODE_L2GENEVE_TUNN,
2342                                     p_req->l2geneve_clss,
2343                                     p_req->update_geneve_port,
2344                                     p_req->geneve_port);
2345         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2346                                       QED_MODE_IPGENEVE_TUNN,
2347                                       p_req->ipgeneve_clss);
2348         __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2349                                       QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2350         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2351                                       QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2352
2353         /* If PF modifies VF's req then it should
2354          * still return an error in case of partial configuration
2355          * or modified configuration as opposed to requested one.
2356          */
2357         rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2358                                                 &b_update_required, &tunn);
2359
2360         if (rc)
2361                 status = PFVF_STATUS_FAILURE;
2362
2363         /* If QED client is willing to update anything ? */
2364         if (b_update_required) {
2365                 u16 geneve_port;
2366
2367                 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2368                                                QED_SPQ_MODE_EBLOCK, NULL);
2369                 if (rc)
2370                         status = PFVF_STATUS_FAILURE;
2371
2372                 geneve_port = p_tun->geneve_port.port;
2373                 qed_for_each_vf(p_hwfn, i) {
2374                         qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2375                                                        p_tun->vxlan_port.port,
2376                                                        geneve_port);
2377                 }
2378         }
2379
2380 send_resp:
2381         p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2382                              CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2383
2384         qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2385         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2386                     sizeof(struct channel_list_end_tlv));
2387
2388         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2389 }
2390
2391 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2392                                           struct qed_ptt *p_ptt,
2393                                           struct qed_vf_info *p_vf,
2394                                           u32 cid, u8 status)
2395 {
2396         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2397         struct pfvf_start_queue_resp_tlv *p_tlv;
2398         bool b_legacy = false;
2399         u16 length;
2400
2401         mbx->offset = (u8 *)mbx->reply_virt;
2402
2403         /* Taking a bigger struct instead of adding a TLV to list was a
2404          * mistake, but one which we're now stuck with, as some older
2405          * clients assume the size of the previous response.
2406          */
2407         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2408             ETH_HSI_VER_NO_PKT_LEN_TUNN)
2409                 b_legacy = true;
2410
2411         if (!b_legacy)
2412                 length = sizeof(*p_tlv);
2413         else
2414                 length = sizeof(struct pfvf_def_resp_tlv);
2415
2416         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2417                             length);
2418         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2419                     sizeof(struct channel_list_end_tlv));
2420
2421         /* Update the TLV with the response */
2422         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2423                 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2424
2425         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2426 }
2427
2428 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2429                                      struct qed_ptt *p_ptt,
2430                                      struct qed_vf_info *vf)
2431 {
2432         struct qed_queue_start_common_params params;
2433         struct qed_queue_cid_vf_params vf_params;
2434         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2435         u8 status = PFVF_STATUS_NO_RESOURCE;
2436         struct vfpf_start_txq_tlv *req;
2437         struct qed_vf_queue *p_queue;
2438         struct qed_queue_cid *p_cid;
2439         struct qed_sb_info sb_dummy;
2440         u8 qid_usage_idx, vf_legacy;
2441         u32 cid = 0;
2442         int rc;
2443         u16 pq;
2444
2445         memset(&params, 0, sizeof(params));
2446         req = &mbx->req_virt->start_txq;
2447
2448         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2449                                   QED_IOV_VALIDATE_Q_NA) ||
2450             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2451                 goto out;
2452
2453         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2454         if (qid_usage_idx == QED_IOV_QID_INVALID)
2455                 goto out;
2456
2457         p_queue = &vf->vf_queues[req->tx_qid];
2458         if (p_queue->cids[qid_usage_idx].p_cid)
2459                 goto out;
2460
2461         vf_legacy = qed_vf_calculate_legacy(vf);
2462
2463         /* Acquire a new queue-cid */
2464         params.queue_id = p_queue->fw_tx_qid;
2465         params.vport_id = vf->vport_id;
2466         params.stats_id = vf->abs_vf_id + 0x10;
2467
2468         /* Since IGU index is passed via sb_info, construct a dummy one */
2469         memset(&sb_dummy, 0, sizeof(sb_dummy));
2470         sb_dummy.igu_sb_id = req->hw_sb;
2471         params.p_sb = &sb_dummy;
2472         params.sb_idx = req->sb_index;
2473
2474         memset(&vf_params, 0, sizeof(vf_params));
2475         vf_params.vfid = vf->relative_vf_id;
2476         vf_params.vf_qid = (u8)req->tx_qid;
2477         vf_params.vf_legacy = vf_legacy;
2478         vf_params.qid_usage_idx = qid_usage_idx;
2479
2480         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2481                                      &params, false, &vf_params);
2482         if (!p_cid)
2483                 goto out;
2484
2485         pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2486         rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2487                                       req->pbl_addr, req->pbl_size, pq);
2488         if (rc) {
2489                 status = PFVF_STATUS_FAILURE;
2490                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2491         } else {
2492                 status = PFVF_STATUS_SUCCESS;
2493                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2494                 p_queue->cids[qid_usage_idx].b_is_tx = true;
2495                 cid = p_cid->cid;
2496         }
2497
2498 out:
2499         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2500 }
2501
2502 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2503                                 struct qed_vf_info *vf,
2504                                 u16 rxq_id,
2505                                 u8 qid_usage_idx, bool cqe_completion)
2506 {
2507         struct qed_vf_queue *p_queue;
2508         int rc = 0;
2509
2510         if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2511                 DP_VERBOSE(p_hwfn,
2512                            QED_MSG_IOV,
2513                            "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2514                            vf->relative_vf_id, rxq_id, qid_usage_idx);
2515                 return -EINVAL;
2516         }
2517
2518         p_queue = &vf->vf_queues[rxq_id];
2519
2520         /* We've validated the index and the existence of the active RXQ -
2521          * now we need to make sure that it's using the correct qid.
2522          */
2523         if (!p_queue->cids[qid_usage_idx].p_cid ||
2524             p_queue->cids[qid_usage_idx].b_is_tx) {
2525                 struct qed_queue_cid *p_cid;
2526
2527                 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2528                 DP_VERBOSE(p_hwfn,
2529                            QED_MSG_IOV,
2530                            "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2531                            vf->relative_vf_id,
2532                            rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2533                 return -EINVAL;
2534         }
2535
2536         /* Now that we know we have a valid Rx-queue - close it */
2537         rc = qed_eth_rx_queue_stop(p_hwfn,
2538                                    p_queue->cids[qid_usage_idx].p_cid,
2539                                    false, cqe_completion);
2540         if (rc)
2541                 return rc;
2542
2543         p_queue->cids[qid_usage_idx].p_cid = NULL;
2544         vf->num_active_rxqs--;
2545
2546         return 0;
2547 }
2548
2549 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2550                                 struct qed_vf_info *vf,
2551                                 u16 txq_id, u8 qid_usage_idx)
2552 {
2553         struct qed_vf_queue *p_queue;
2554         int rc = 0;
2555
2556         if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2557                 return -EINVAL;
2558
2559         p_queue = &vf->vf_queues[txq_id];
2560         if (!p_queue->cids[qid_usage_idx].p_cid ||
2561             !p_queue->cids[qid_usage_idx].b_is_tx)
2562                 return -EINVAL;
2563
2564         rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2565         if (rc)
2566                 return rc;
2567
2568         p_queue->cids[qid_usage_idx].p_cid = NULL;
2569         return 0;
2570 }
2571
2572 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2573                                      struct qed_ptt *p_ptt,
2574                                      struct qed_vf_info *vf)
2575 {
2576         u16 length = sizeof(struct pfvf_def_resp_tlv);
2577         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2578         u8 status = PFVF_STATUS_FAILURE;
2579         struct vfpf_stop_rxqs_tlv *req;
2580         u8 qid_usage_idx;
2581         int rc;
2582
2583         /* There has never been an official driver that used this interface
2584          * for stopping multiple queues, and it is now considered deprecated.
2585          * Validate this isn't used here.
2586          */
2587         req = &mbx->req_virt->stop_rxqs;
2588         if (req->num_rxqs != 1) {
2589                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2590                            "Odd; VF[%d] tried stopping multiple Rx queues\n",
2591                            vf->relative_vf_id);
2592                 status = PFVF_STATUS_NOT_SUPPORTED;
2593                 goto out;
2594         }
2595
2596         /* Find which qid-index is associated with the queue */
2597         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2598         if (qid_usage_idx == QED_IOV_QID_INVALID)
2599                 goto out;
2600
2601         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2602                                   qid_usage_idx, req->cqe_completion);
2603         if (!rc)
2604                 status = PFVF_STATUS_SUCCESS;
2605 out:
2606         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2607                              length, status);
2608 }
2609
2610 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2611                                      struct qed_ptt *p_ptt,
2612                                      struct qed_vf_info *vf)
2613 {
2614         u16 length = sizeof(struct pfvf_def_resp_tlv);
2615         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2616         u8 status = PFVF_STATUS_FAILURE;
2617         struct vfpf_stop_txqs_tlv *req;
2618         u8 qid_usage_idx;
2619         int rc;
2620
2621         /* There has never been an official driver that used this interface
2622          * for stopping multiple queues, and it is now considered deprecated.
2623          * Validate this isn't used here.
2624          */
2625         req = &mbx->req_virt->stop_txqs;
2626         if (req->num_txqs != 1) {
2627                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2628                            "Odd; VF[%d] tried stopping multiple Tx queues\n",
2629                            vf->relative_vf_id);
2630                 status = PFVF_STATUS_NOT_SUPPORTED;
2631                 goto out;
2632         }
2633
2634         /* Find which qid-index is associated with the queue */
2635         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2636         if (qid_usage_idx == QED_IOV_QID_INVALID)
2637                 goto out;
2638
2639         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2640         if (!rc)
2641                 status = PFVF_STATUS_SUCCESS;
2642
2643 out:
2644         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2645                              length, status);
2646 }
2647
2648 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2649                                        struct qed_ptt *p_ptt,
2650                                        struct qed_vf_info *vf)
2651 {
2652         struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2653         u16 length = sizeof(struct pfvf_def_resp_tlv);
2654         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2655         struct vfpf_update_rxq_tlv *req;
2656         u8 status = PFVF_STATUS_FAILURE;
2657         u8 complete_event_flg;
2658         u8 complete_cqe_flg;
2659         u8 qid_usage_idx;
2660         int rc;
2661         u8 i;
2662
2663         req = &mbx->req_virt->update_rxq;
2664         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2665         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2666
2667         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2668         if (qid_usage_idx == QED_IOV_QID_INVALID)
2669                 goto out;
2670
2671         /* There shouldn't exist a VF that uses queue-qids yet uses this
2672          * API with multiple Rx queues. Validate this.
2673          */
2674         if ((vf->acquire.vfdev_info.capabilities &
2675              VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2676                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2677                            "VF[%d] supports QIDs but sends multiple queues\n",
2678                            vf->relative_vf_id);
2679                 goto out;
2680         }
2681
2682         /* Validate inputs - for the legacy case this is still true since
2683          * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2684          */
2685         for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2686                 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2687                                           QED_IOV_VALIDATE_Q_NA) ||
2688                     !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2689                     vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2690                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2691                                    "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2692                                    vf->relative_vf_id, req->rx_qid,
2693                                    req->num_rxqs);
2694                         goto out;
2695                 }
2696         }
2697
2698         /* Prepare the handlers */
2699         for (i = 0; i < req->num_rxqs; i++) {
2700                 u16 qid = req->rx_qid + i;
2701
2702                 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2703         }
2704
2705         rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2706                                          req->num_rxqs,
2707                                          complete_cqe_flg,
2708                                          complete_event_flg,
2709                                          QED_SPQ_MODE_EBLOCK, NULL);
2710         if (rc)
2711                 goto out;
2712
2713         status = PFVF_STATUS_SUCCESS;
2714 out:
2715         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2716                              length, status);
2717 }
2718
2719 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2720                                void *p_tlvs_list, u16 req_type)
2721 {
2722         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2723         int len = 0;
2724
2725         do {
2726                 if (!p_tlv->length) {
2727                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2728                         return NULL;
2729                 }
2730
2731                 if (p_tlv->type == req_type) {
2732                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2733                                    "Extended tlv type %d, length %d found\n",
2734                                    p_tlv->type, p_tlv->length);
2735                         return p_tlv;
2736                 }
2737
2738                 len += p_tlv->length;
2739                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2740
2741                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2742                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2743                         return NULL;
2744                 }
2745         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2746
2747         return NULL;
2748 }
2749
2750 static void
2751 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2752                             struct qed_sp_vport_update_params *p_data,
2753                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2754 {
2755         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2756         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2757
2758         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2759                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2760         if (!p_act_tlv)
2761                 return;
2762
2763         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2764         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2765         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2766         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2767         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2768 }
2769
2770 static void
2771 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2772                              struct qed_sp_vport_update_params *p_data,
2773                              struct qed_vf_info *p_vf,
2774                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2775 {
2776         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2777         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2778
2779         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2780                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2781         if (!p_vlan_tlv)
2782                 return;
2783
2784         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2785
2786         /* Ignore the VF request if we're forcing a vlan */
2787         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2788                 p_data->update_inner_vlan_removal_flg = 1;
2789                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2790         }
2791
2792         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2793 }
2794
2795 static void
2796 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2797                             struct qed_sp_vport_update_params *p_data,
2798                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2799 {
2800         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2801         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2802
2803         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2804                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2805                                                    tlv);
2806         if (!p_tx_switch_tlv)
2807                 return;
2808
2809         p_data->update_tx_switching_flg = 1;
2810         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2811         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2812 }
2813
2814 static void
2815 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2816                                   struct qed_sp_vport_update_params *p_data,
2817                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2818 {
2819         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2820         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2821
2822         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2823             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2824         if (!p_mcast_tlv)
2825                 return;
2826
2827         p_data->update_approx_mcast_flg = 1;
2828         memcpy(p_data->bins, p_mcast_tlv->bins,
2829                sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2830         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2831 }
2832
2833 static void
2834 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2835                               struct qed_sp_vport_update_params *p_data,
2836                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2837 {
2838         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2839         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2840         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2841
2842         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2843             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2844         if (!p_accept_tlv)
2845                 return;
2846
2847         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2848         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2849         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2850         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2851         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2852 }
2853
2854 static void
2855 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2856                                   struct qed_sp_vport_update_params *p_data,
2857                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2858 {
2859         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2860         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2861
2862         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2863                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2864                                                      tlv);
2865         if (!p_accept_any_vlan)
2866                 return;
2867
2868         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2869         p_data->update_accept_any_vlan_flg =
2870                     p_accept_any_vlan->update_accept_any_vlan_flg;
2871         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2872 }
2873
2874 static void
2875 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2876                             struct qed_vf_info *vf,
2877                             struct qed_sp_vport_update_params *p_data,
2878                             struct qed_rss_params *p_rss,
2879                             struct qed_iov_vf_mbx *p_mbx,
2880                             u16 *tlvs_mask, u16 *tlvs_accepted)
2881 {
2882         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2883         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2884         bool b_reject = false;
2885         u16 table_size;
2886         u16 i, q_idx;
2887
2888         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2889                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2890         if (!p_rss_tlv) {
2891                 p_data->rss_params = NULL;
2892                 return;
2893         }
2894
2895         memset(p_rss, 0, sizeof(struct qed_rss_params));
2896
2897         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2898                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2899         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2900                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2901         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2902                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2903         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2904                                    VFPF_UPDATE_RSS_KEY_FLAG);
2905
2906         p_rss->rss_enable = p_rss_tlv->rss_enable;
2907         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2908         p_rss->rss_caps = p_rss_tlv->rss_caps;
2909         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2910         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2911
2912         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2913                            (1 << p_rss_tlv->rss_table_size_log));
2914
2915         for (i = 0; i < table_size; i++) {
2916                 struct qed_queue_cid *p_cid;
2917
2918                 q_idx = p_rss_tlv->rss_ind_table[i];
2919                 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2920                                           QED_IOV_VALIDATE_Q_ENABLE)) {
2921                         DP_VERBOSE(p_hwfn,
2922                                    QED_MSG_IOV,
2923                                    "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2924                                    vf->relative_vf_id, q_idx);
2925                         b_reject = true;
2926                         goto out;
2927                 }
2928
2929                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2930                 p_rss->rss_ind_table[i] = p_cid;
2931         }
2932
2933         p_data->rss_params = p_rss;
2934 out:
2935         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2936         if (!b_reject)
2937                 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2938 }
2939
2940 static void
2941 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2942                                 struct qed_vf_info *vf,
2943                                 struct qed_sp_vport_update_params *p_data,
2944                                 struct qed_sge_tpa_params *p_sge_tpa,
2945                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2946 {
2947         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2948         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2949
2950         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2951             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2952
2953         if (!p_sge_tpa_tlv) {
2954                 p_data->sge_tpa_params = NULL;
2955                 return;
2956         }
2957
2958         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2959
2960         p_sge_tpa->update_tpa_en_flg =
2961             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2962         p_sge_tpa->update_tpa_param_flg =
2963             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2964                 VFPF_UPDATE_TPA_PARAM_FLAG);
2965
2966         p_sge_tpa->tpa_ipv4_en_flg =
2967             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2968         p_sge_tpa->tpa_ipv6_en_flg =
2969             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2970         p_sge_tpa->tpa_pkt_split_flg =
2971             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2972         p_sge_tpa->tpa_hdr_data_split_flg =
2973             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2974         p_sge_tpa->tpa_gro_consistent_flg =
2975             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2976
2977         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2978         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2979         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2980         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2981         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2982
2983         p_data->sge_tpa_params = p_sge_tpa;
2984
2985         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2986 }
2987
2988 static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2989                                     u8 vfid,
2990                                     struct qed_sp_vport_update_params *params,
2991                                     u16 *tlvs)
2992 {
2993         u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2994         struct qed_filter_accept_flags *flags = &params->accept_flags;
2995         struct qed_public_vf_info *vf_info;
2996
2997         /* Untrusted VFs can't even be trusted to know that fact.
2998          * Simply indicate everything is configured fine, and trace
2999          * configuration 'behind their back'.
3000          */
3001         if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
3002                 return 0;
3003
3004         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3005
3006         if (flags->update_rx_mode_config) {
3007                 vf_info->rx_accept_mode = flags->rx_accept_filter;
3008                 if (!vf_info->is_trusted_configured)
3009                         flags->rx_accept_filter &= ~mask;
3010         }
3011
3012         if (flags->update_tx_mode_config) {
3013                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3014                 if (!vf_info->is_trusted_configured)
3015                         flags->tx_accept_filter &= ~mask;
3016         }
3017
3018         return 0;
3019 }
3020
3021 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3022                                         struct qed_ptt *p_ptt,
3023                                         struct qed_vf_info *vf)
3024 {
3025         struct qed_rss_params *p_rss_params = NULL;
3026         struct qed_sp_vport_update_params params;
3027         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3028         struct qed_sge_tpa_params sge_tpa_params;
3029         u16 tlvs_mask = 0, tlvs_accepted = 0;
3030         u8 status = PFVF_STATUS_SUCCESS;
3031         u16 length;
3032         int rc;
3033
3034         /* Valiate PF can send such a request */
3035         if (!vf->vport_instance) {
3036                 DP_VERBOSE(p_hwfn,
3037                            QED_MSG_IOV,
3038                            "No VPORT instance available for VF[%d], failing vport update\n",
3039                            vf->abs_vf_id);
3040                 status = PFVF_STATUS_FAILURE;
3041                 goto out;
3042         }
3043         p_rss_params = vzalloc(sizeof(*p_rss_params));
3044         if (p_rss_params == NULL) {
3045                 status = PFVF_STATUS_FAILURE;
3046                 goto out;
3047         }
3048
3049         memset(&params, 0, sizeof(params));
3050         params.opaque_fid = vf->opaque_fid;
3051         params.vport_id = vf->vport_id;
3052         params.rss_params = NULL;
3053
3054         /* Search for extended tlvs list and update values
3055          * from VF in struct qed_sp_vport_update_params.
3056          */
3057         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3058         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3059         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3060         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3061         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3062         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3063         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3064                                         &sge_tpa_params, mbx, &tlvs_mask);
3065
3066         tlvs_accepted = tlvs_mask;
3067
3068         /* Some of the extended TLVs need to be validated first; In that case,
3069          * they can update the mask without updating the accepted [so that
3070          * PF could communicate to VF it has rejected request].
3071          */
3072         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3073                                     mbx, &tlvs_mask, &tlvs_accepted);
3074
3075         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3076                                      &params, &tlvs_accepted)) {
3077                 tlvs_accepted = 0;
3078                 status = PFVF_STATUS_NOT_SUPPORTED;
3079                 goto out;
3080         }
3081
3082         if (!tlvs_accepted) {
3083                 if (tlvs_mask)
3084                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3085                                    "Upper-layer prevents VF vport configuration\n");
3086                 else
3087                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3088                                    "No feature tlvs found for vport update\n");
3089                 status = PFVF_STATUS_NOT_SUPPORTED;
3090                 goto out;
3091         }
3092
3093         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3094
3095         if (rc)
3096                 status = PFVF_STATUS_FAILURE;
3097
3098 out:
3099         vfree(p_rss_params);
3100         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3101                                                   tlvs_mask, tlvs_accepted);
3102         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3103 }
3104
3105 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3106                                          struct qed_vf_info *p_vf,
3107                                          struct qed_filter_ucast *p_params)
3108 {
3109         int i;
3110
3111         /* First remove entries and then add new ones */
3112         if (p_params->opcode == QED_FILTER_REMOVE) {
3113                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3114                         if (p_vf->shadow_config.vlans[i].used &&
3115                             p_vf->shadow_config.vlans[i].vid ==
3116                             p_params->vlan) {
3117                                 p_vf->shadow_config.vlans[i].used = false;
3118                                 break;
3119                         }
3120                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3121                         DP_VERBOSE(p_hwfn,
3122                                    QED_MSG_IOV,
3123                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3124                                    p_vf->relative_vf_id);
3125                         return -EINVAL;
3126                 }
3127         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3128                    p_params->opcode == QED_FILTER_FLUSH) {
3129                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3130                         p_vf->shadow_config.vlans[i].used = false;
3131         }
3132
3133         /* In forced mode, we're willing to remove entries - but we don't add
3134          * new ones.
3135          */
3136         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3137                 return 0;
3138
3139         if (p_params->opcode == QED_FILTER_ADD ||
3140             p_params->opcode == QED_FILTER_REPLACE) {
3141                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3142                         if (p_vf->shadow_config.vlans[i].used)
3143                                 continue;
3144
3145                         p_vf->shadow_config.vlans[i].used = true;
3146                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3147                         break;
3148                 }
3149
3150                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3151                         DP_VERBOSE(p_hwfn,
3152                                    QED_MSG_IOV,
3153                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3154                                    p_vf->relative_vf_id,
3155                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3156                         return -EINVAL;
3157                 }
3158         }
3159
3160         return 0;
3161 }
3162
3163 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3164                                         struct qed_vf_info *p_vf,
3165                                         struct qed_filter_ucast *p_params)
3166 {
3167         int i;
3168
3169         /* If we're in forced-mode, we don't allow any change */
3170         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3171                 return 0;
3172
3173         /* First remove entries and then add new ones */
3174         if (p_params->opcode == QED_FILTER_REMOVE) {
3175                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3176                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3177                                              p_params->mac)) {
3178                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3179                                 break;
3180                         }
3181                 }
3182
3183                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3184                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3185                                    "MAC isn't configured\n");
3186                         return -EINVAL;
3187                 }
3188         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3189                    p_params->opcode == QED_FILTER_FLUSH) {
3190                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3191                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3192         }
3193
3194         /* List the new MAC address */
3195         if (p_params->opcode != QED_FILTER_ADD &&
3196             p_params->opcode != QED_FILTER_REPLACE)
3197                 return 0;
3198
3199         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3200                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3201                         ether_addr_copy(p_vf->shadow_config.macs[i],
3202                                         p_params->mac);
3203                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3204                                    "Added MAC at %d entry in shadow\n", i);
3205                         break;
3206                 }
3207         }
3208
3209         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3210                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3211                 return -EINVAL;
3212         }
3213
3214         return 0;
3215 }
3216
3217 static int
3218 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3219                                  struct qed_vf_info *p_vf,
3220                                  struct qed_filter_ucast *p_params)
3221 {
3222         int rc = 0;
3223
3224         if (p_params->type == QED_FILTER_MAC) {
3225                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3226                 if (rc)
3227                         return rc;
3228         }
3229
3230         if (p_params->type == QED_FILTER_VLAN)
3231                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3232
3233         return rc;
3234 }
3235
3236 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3237                              int vfid, struct qed_filter_ucast *params)
3238 {
3239         struct qed_public_vf_info *vf;
3240
3241         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3242         if (!vf)
3243                 return -EINVAL;
3244
3245         /* No real decision to make; Store the configured MAC */
3246         if (params->type == QED_FILTER_MAC ||
3247             params->type == QED_FILTER_MAC_VLAN)
3248                 ether_addr_copy(vf->mac, params->mac);
3249
3250         return 0;
3251 }
3252
3253 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3254                                         struct qed_ptt *p_ptt,
3255                                         struct qed_vf_info *vf)
3256 {
3257         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3258         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3259         struct vfpf_ucast_filter_tlv *req;
3260         u8 status = PFVF_STATUS_SUCCESS;
3261         struct qed_filter_ucast params;
3262         int rc;
3263
3264         /* Prepare the unicast filter params */
3265         memset(&params, 0, sizeof(struct qed_filter_ucast));
3266         req = &mbx->req_virt->ucast_filter;
3267         params.opcode = (enum qed_filter_opcode)req->opcode;
3268         params.type = (enum qed_filter_ucast_type)req->type;
3269
3270         params.is_rx_filter = 1;
3271         params.is_tx_filter = 1;
3272         params.vport_to_remove_from = vf->vport_id;
3273         params.vport_to_add_to = vf->vport_id;
3274         memcpy(params.mac, req->mac, ETH_ALEN);
3275         params.vlan = req->vlan;
3276
3277         DP_VERBOSE(p_hwfn,
3278                    QED_MSG_IOV,
3279                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3280                    vf->abs_vf_id, params.opcode, params.type,
3281                    params.is_rx_filter ? "RX" : "",
3282                    params.is_tx_filter ? "TX" : "",
3283                    params.vport_to_add_to,
3284                    params.mac[0], params.mac[1],
3285                    params.mac[2], params.mac[3],
3286                    params.mac[4], params.mac[5], params.vlan);
3287
3288         if (!vf->vport_instance) {
3289                 DP_VERBOSE(p_hwfn,
3290                            QED_MSG_IOV,
3291                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3292                            vf->abs_vf_id);
3293                 status = PFVF_STATUS_FAILURE;
3294                 goto out;
3295         }
3296
3297         /* Update shadow copy of the VF configuration */
3298         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3299                 status = PFVF_STATUS_FAILURE;
3300                 goto out;
3301         }
3302
3303         /* Determine if the unicast filtering is acceptible by PF */
3304         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3305             (params.type == QED_FILTER_VLAN ||
3306              params.type == QED_FILTER_MAC_VLAN)) {
3307                 /* Once VLAN is forced or PVID is set, do not allow
3308                  * to add/replace any further VLANs.
3309                  */
3310                 if (params.opcode == QED_FILTER_ADD ||
3311                     params.opcode == QED_FILTER_REPLACE)
3312                         status = PFVF_STATUS_FORCED;
3313                 goto out;
3314         }
3315
3316         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3317             (params.type == QED_FILTER_MAC ||
3318              params.type == QED_FILTER_MAC_VLAN)) {
3319                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3320                     (params.opcode != QED_FILTER_ADD &&
3321                      params.opcode != QED_FILTER_REPLACE))
3322                         status = PFVF_STATUS_FORCED;
3323                 goto out;
3324         }
3325
3326         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3327         if (rc) {
3328                 status = PFVF_STATUS_FAILURE;
3329                 goto out;
3330         }
3331
3332         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3333                                      QED_SPQ_MODE_CB, NULL);
3334         if (rc)
3335                 status = PFVF_STATUS_FAILURE;
3336
3337 out:
3338         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3339                              sizeof(struct pfvf_def_resp_tlv), status);
3340 }
3341
3342 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3343                                        struct qed_ptt *p_ptt,
3344                                        struct qed_vf_info *vf)
3345 {
3346         int i;
3347
3348         /* Reset the SBs */
3349         for (i = 0; i < vf->num_sbs; i++)
3350                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3351                                                 vf->igu_sbs[i],
3352                                                 vf->opaque_fid, false);
3353
3354         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3355                              sizeof(struct pfvf_def_resp_tlv),
3356                              PFVF_STATUS_SUCCESS);
3357 }
3358
3359 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3360                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3361 {
3362         u16 length = sizeof(struct pfvf_def_resp_tlv);
3363         u8 status = PFVF_STATUS_SUCCESS;
3364
3365         /* Disable Interrupts for VF */
3366         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3367
3368         /* Reset Permission table */
3369         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3370
3371         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3372                              length, status);
3373 }
3374
3375 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3376                                    struct qed_ptt *p_ptt,
3377                                    struct qed_vf_info *p_vf)
3378 {
3379         u16 length = sizeof(struct pfvf_def_resp_tlv);
3380         u8 status = PFVF_STATUS_SUCCESS;
3381         int rc = 0;
3382
3383         qed_iov_vf_cleanup(p_hwfn, p_vf);
3384
3385         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3386                 /* Stopping the VF */
3387                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3388                                     p_vf->opaque_fid);
3389
3390                 if (rc) {
3391                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3392                                rc);
3393                         status = PFVF_STATUS_FAILURE;
3394                 }
3395
3396                 p_vf->state = VF_STOPPED;
3397         }
3398
3399         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3400                              length, status);
3401 }
3402
3403 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3404                                        struct qed_ptt *p_ptt,
3405                                        struct qed_vf_info *p_vf)
3406 {
3407         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3408         struct pfvf_read_coal_resp_tlv *p_resp;
3409         struct vfpf_read_coal_req_tlv *req;
3410         u8 status = PFVF_STATUS_FAILURE;
3411         struct qed_vf_queue *p_queue;
3412         struct qed_queue_cid *p_cid;
3413         u16 coal = 0, qid, i;
3414         bool b_is_rx;
3415         int rc = 0;
3416
3417         mbx->offset = (u8 *)mbx->reply_virt;
3418         req = &mbx->req_virt->read_coal_req;
3419
3420         qid = req->qid;
3421         b_is_rx = req->is_rx ? true : false;
3422
3423         if (b_is_rx) {
3424                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3425                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3426                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3427                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3428                                    p_vf->abs_vf_id, qid);
3429                         goto send_resp;
3430                 }
3431
3432                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3433                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3434                 if (rc)
3435                         goto send_resp;
3436         } else {
3437                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3438                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3439                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3440                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3441                                    p_vf->abs_vf_id, qid);
3442                         goto send_resp;
3443                 }
3444                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3445                         p_queue = &p_vf->vf_queues[qid];
3446                         if ((!p_queue->cids[i].p_cid) ||
3447                             (!p_queue->cids[i].b_is_tx))
3448                                 continue;
3449
3450                         p_cid = p_queue->cids[i].p_cid;
3451
3452                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3453                         if (rc)
3454                                 goto send_resp;
3455                         break;
3456                 }
3457         }
3458
3459         status = PFVF_STATUS_SUCCESS;
3460
3461 send_resp:
3462         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3463                              sizeof(*p_resp));
3464         p_resp->coal = coal;
3465
3466         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3467                     sizeof(struct channel_list_end_tlv));
3468
3469         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3470 }
3471
3472 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3473                                        struct qed_ptt *p_ptt,
3474                                        struct qed_vf_info *vf)
3475 {
3476         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3477         struct vfpf_update_coalesce *req;
3478         u8 status = PFVF_STATUS_FAILURE;
3479         struct qed_queue_cid *p_cid;
3480         u16 rx_coal, tx_coal;
3481         int rc = 0, i;
3482         u16 qid;
3483
3484         req = &mbx->req_virt->update_coalesce;
3485
3486         rx_coal = req->rx_coal;
3487         tx_coal = req->tx_coal;
3488         qid = req->qid;
3489
3490         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3491                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3492                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3493                            "VF[%d]: Invalid Rx queue_id = %d\n",
3494                            vf->abs_vf_id, qid);
3495                 goto out;
3496         }
3497
3498         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3499                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3500                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3501                            "VF[%d]: Invalid Tx queue_id = %d\n",
3502                            vf->abs_vf_id, qid);
3503                 goto out;
3504         }
3505
3506         DP_VERBOSE(p_hwfn,
3507                    QED_MSG_IOV,
3508                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3509                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3510
3511         if (rx_coal) {
3512                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3513
3514                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3515                 if (rc) {
3516                         DP_VERBOSE(p_hwfn,
3517                                    QED_MSG_IOV,
3518                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3519                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3520                         goto out;
3521                 }
3522                 vf->rx_coal = rx_coal;
3523         }
3524
3525         if (tx_coal) {
3526                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3527
3528                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3529                         if (!p_queue->cids[i].p_cid)
3530                                 continue;
3531
3532                         if (!p_queue->cids[i].b_is_tx)
3533                                 continue;
3534
3535                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3536                                                   p_queue->cids[i].p_cid);
3537
3538                         if (rc) {
3539                                 DP_VERBOSE(p_hwfn,
3540                                            QED_MSG_IOV,
3541                                            "VF[%d]: Unable to set tx queue coalesce\n",
3542                                            vf->abs_vf_id);
3543                                 goto out;
3544                         }
3545                 }
3546                 vf->tx_coal = tx_coal;
3547         }
3548
3549         status = PFVF_STATUS_SUCCESS;
3550 out:
3551         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3552                              sizeof(struct pfvf_def_resp_tlv), status);
3553 }
3554 static int
3555 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3556                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3557 {
3558         int cnt;
3559         u32 val;
3560
3561         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3562
3563         for (cnt = 0; cnt < 50; cnt++) {
3564                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3565                 if (!val)
3566                         break;
3567                 msleep(20);
3568         }
3569         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3570
3571         if (cnt == 50) {
3572                 DP_ERR(p_hwfn,
3573                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3574                        p_vf->abs_vf_id, val);
3575                 return -EBUSY;
3576         }
3577
3578         return 0;
3579 }
3580
3581 static int
3582 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3583                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3584 {
3585         u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3586         int i, cnt;
3587
3588         /* Read initial consumers & producers */
3589         for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3590                 u32 prod;
3591
3592                 cons[i] = qed_rd(p_hwfn, p_ptt,
3593                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3594                                  i * 0x40);
3595                 prod = qed_rd(p_hwfn, p_ptt,
3596                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3597                               i * 0x40);
3598                 distance[i] = prod - cons[i];
3599         }
3600
3601         /* Wait for consumers to pass the producers */
3602         i = 0;
3603         for (cnt = 0; cnt < 50; cnt++) {
3604                 for (; i < MAX_NUM_VOQS_E4; i++) {
3605                         u32 tmp;
3606
3607                         tmp = qed_rd(p_hwfn, p_ptt,
3608                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3609                                      i * 0x40);
3610                         if (distance[i] > tmp - cons[i])
3611                                 break;
3612                 }
3613
3614                 if (i == MAX_NUM_VOQS_E4)
3615                         break;
3616
3617                 msleep(20);
3618         }
3619
3620         if (cnt == 50) {
3621                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3622                        p_vf->abs_vf_id, i);
3623                 return -EBUSY;
3624         }
3625
3626         return 0;
3627 }
3628
3629 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3630                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3631 {
3632         int rc;
3633
3634         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3635         if (rc)
3636                 return rc;
3637
3638         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3639         if (rc)
3640                 return rc;
3641
3642         return 0;
3643 }
3644
3645 static int
3646 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3647                                struct qed_ptt *p_ptt,
3648                                u16 rel_vf_id, u32 *ack_vfs)
3649 {
3650         struct qed_vf_info *p_vf;
3651         int rc = 0;
3652
3653         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3654         if (!p_vf)
3655                 return 0;
3656
3657         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3658             (1ULL << (rel_vf_id % 64))) {
3659                 u16 vfid = p_vf->abs_vf_id;
3660
3661                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3662                            "VF[%d] - Handling FLR\n", vfid);
3663
3664                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3665
3666                 /* If VF isn't active, no need for anything but SW */
3667                 if (!p_vf->b_init)
3668                         goto cleanup;
3669
3670                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3671                 if (rc)
3672                         goto cleanup;
3673
3674                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3675                 if (rc) {
3676                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3677                         return rc;
3678                 }
3679
3680                 /* Workaround to make VF-PF channel ready, as FW
3681                  * doesn't do that as a part of FLR.
3682                  */
3683                 REG_WR(p_hwfn,
3684                        GTT_BAR0_MAP_REG_USDM_RAM +
3685                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3686
3687                 /* VF_STOPPED has to be set only after final cleanup
3688                  * but prior to re-enabling the VF.
3689                  */
3690                 p_vf->state = VF_STOPPED;
3691
3692                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3693                 if (rc) {
3694                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3695                                vfid);
3696                         return rc;
3697                 }
3698 cleanup:
3699                 /* Mark VF for ack and clean pending state */
3700                 if (p_vf->state == VF_RESET)
3701                         p_vf->state = VF_STOPPED;
3702                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3703                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3704                     ~(1ULL << (rel_vf_id % 64));
3705                 p_vf->vf_mbx.b_pending_msg = false;
3706         }
3707
3708         return rc;
3709 }
3710
3711 static int
3712 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3713 {
3714         u32 ack_vfs[VF_MAX_STATIC / 32];
3715         int rc = 0;
3716         u16 i;
3717
3718         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3719
3720         /* Since BRB <-> PRS interface can't be tested as part of the flr
3721          * polling due to HW limitations, simply sleep a bit. And since
3722          * there's no need to wait per-vf, do it before looping.
3723          */
3724         msleep(100);
3725
3726         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3727                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3728
3729         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3730         return rc;
3731 }
3732
3733 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3734 {
3735         bool found = false;
3736         u16 i;
3737
3738         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3739         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3740                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3741                            "[%08x,...,%08x]: %08x\n",
3742                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3743
3744         if (!p_hwfn->cdev->p_iov_info) {
3745                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3746                 return false;
3747         }
3748
3749         /* Mark VFs */
3750         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3751                 struct qed_vf_info *p_vf;
3752                 u8 vfid;
3753
3754                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3755                 if (!p_vf)
3756                         continue;
3757
3758                 vfid = p_vf->abs_vf_id;
3759                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3760                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3761                         u16 rel_vf_id = p_vf->relative_vf_id;
3762
3763                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3764                                    "VF[%d] [rel %d] got FLR-ed\n",
3765                                    vfid, rel_vf_id);
3766
3767                         p_vf->state = VF_RESET;
3768
3769                         /* No need to lock here, since pending_flr should
3770                          * only change here and before ACKing MFw. Since
3771                          * MFW will not trigger an additional attention for
3772                          * VF flr until ACKs, we're safe.
3773                          */
3774                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3775                         found = true;
3776                 }
3777         }
3778
3779         return found;
3780 }
3781
3782 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3783                              u16 vfid,
3784                              struct qed_mcp_link_params *p_params,
3785                              struct qed_mcp_link_state *p_link,
3786                              struct qed_mcp_link_capabilities *p_caps)
3787 {
3788         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3789                                                        vfid,
3790                                                        false);
3791         struct qed_bulletin_content *p_bulletin;
3792
3793         if (!p_vf)
3794                 return;
3795
3796         p_bulletin = p_vf->bulletin.p_virt;
3797
3798         if (p_params)
3799                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3800         if (p_link)
3801                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3802         if (p_caps)
3803                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3804 }
3805
3806 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3807                                     struct qed_ptt *p_ptt, int vfid)
3808 {
3809         struct qed_iov_vf_mbx *mbx;
3810         struct qed_vf_info *p_vf;
3811
3812         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3813         if (!p_vf)
3814                 return;
3815
3816         mbx = &p_vf->vf_mbx;
3817
3818         /* qed_iov_process_mbx_request */
3819         if (!mbx->b_pending_msg) {
3820                 DP_NOTICE(p_hwfn,
3821                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3822                           p_vf->abs_vf_id);
3823                 return;
3824         }
3825         mbx->b_pending_msg = false;
3826
3827         mbx->first_tlv = mbx->req_virt->first_tlv;
3828
3829         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3830                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3831                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3832
3833         /* check if tlv type is known */
3834         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3835             !p_vf->b_malicious) {
3836                 switch (mbx->first_tlv.tl.type) {
3837                 case CHANNEL_TLV_ACQUIRE:
3838                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3839                         break;
3840                 case CHANNEL_TLV_VPORT_START:
3841                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3842                         break;
3843                 case CHANNEL_TLV_VPORT_TEARDOWN:
3844                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3845                         break;
3846                 case CHANNEL_TLV_START_RXQ:
3847                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3848                         break;
3849                 case CHANNEL_TLV_START_TXQ:
3850                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3851                         break;
3852                 case CHANNEL_TLV_STOP_RXQS:
3853                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3854                         break;
3855                 case CHANNEL_TLV_STOP_TXQS:
3856                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3857                         break;
3858                 case CHANNEL_TLV_UPDATE_RXQ:
3859                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3860                         break;
3861                 case CHANNEL_TLV_VPORT_UPDATE:
3862                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3863                         break;
3864                 case CHANNEL_TLV_UCAST_FILTER:
3865                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3866                         break;
3867                 case CHANNEL_TLV_CLOSE:
3868                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3869                         break;
3870                 case CHANNEL_TLV_INT_CLEANUP:
3871                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3872                         break;
3873                 case CHANNEL_TLV_RELEASE:
3874                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3875                         break;
3876                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3877                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3878                         break;
3879                 case CHANNEL_TLV_COALESCE_UPDATE:
3880                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3881                         break;
3882                 case CHANNEL_TLV_COALESCE_READ:
3883                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3884                         break;
3885                 }
3886         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3887                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3888                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3889                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3890
3891                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3892                                      mbx->first_tlv.tl.type,
3893                                      sizeof(struct pfvf_def_resp_tlv),
3894                                      PFVF_STATUS_MALICIOUS);
3895         } else {
3896                 /* unknown TLV - this may belong to a VF driver from the future
3897                  * - a version written after this PF driver was written, which
3898                  * supports features unknown as of yet. Too bad since we don't
3899                  * support them. Or this may be because someone wrote a crappy
3900                  * VF driver and is sending garbage over the channel.
3901                  */
3902                 DP_NOTICE(p_hwfn,
3903                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3904                           p_vf->abs_vf_id,
3905                           mbx->first_tlv.tl.type,
3906                           mbx->first_tlv.tl.length,
3907                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3908
3909                 /* Try replying in case reply address matches the acquisition's
3910                  * posted address.
3911                  */
3912                 if (p_vf->acquire.first_tlv.reply_address &&
3913                     (mbx->first_tlv.reply_address ==
3914                      p_vf->acquire.first_tlv.reply_address)) {
3915                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3916                                              mbx->first_tlv.tl.type,
3917                                              sizeof(struct pfvf_def_resp_tlv),
3918                                              PFVF_STATUS_NOT_SUPPORTED);
3919                 } else {
3920                         DP_VERBOSE(p_hwfn,
3921                                    QED_MSG_IOV,
3922                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3923                                    p_vf->abs_vf_id);
3924                 }
3925         }
3926 }
3927
3928 void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3929 {
3930         int i;
3931
3932         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3933
3934         qed_for_each_vf(p_hwfn, i) {
3935                 struct qed_vf_info *p_vf;
3936
3937                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3938                 if (p_vf->vf_mbx.b_pending_msg)
3939                         events[i / 64] |= 1ULL << (i % 64);
3940         }
3941 }
3942
3943 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3944                                                        u16 abs_vfid)
3945 {
3946         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3947
3948         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
3949                 DP_VERBOSE(p_hwfn,
3950                            QED_MSG_IOV,
3951                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
3952                            abs_vfid);
3953                 return NULL;
3954         }
3955
3956         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
3957 }
3958
3959 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3960                               u16 abs_vfid, struct regpair *vf_msg)
3961 {
3962         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
3963                            abs_vfid);
3964
3965         if (!p_vf)
3966                 return 0;
3967
3968         /* List the physical address of the request so that handler
3969          * could later on copy the message from it.
3970          */
3971         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3972
3973         /* Mark the event and schedule the workqueue */
3974         p_vf->vf_mbx.b_pending_msg = true;
3975         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3976
3977         return 0;
3978 }
3979
3980 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
3981                                      struct malicious_vf_eqe_data *p_data)
3982 {
3983         struct qed_vf_info *p_vf;
3984
3985         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
3986
3987         if (!p_vf)
3988                 return;
3989
3990         if (!p_vf->b_malicious) {
3991                 DP_NOTICE(p_hwfn,
3992                           "VF [%d] - Malicious behavior [%02x]\n",
3993                           p_vf->abs_vf_id, p_data->err_id);
3994
3995                 p_vf->b_malicious = true;
3996         } else {
3997                 DP_INFO(p_hwfn,
3998                         "VF [%d] - Malicious behavior [%02x]\n",
3999                         p_vf->abs_vf_id, p_data->err_id);
4000         }
4001 }
4002
4003 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4004                                u8 opcode,
4005                                __le16 echo,
4006                                union event_ring_data *data, u8 fw_return_code)
4007 {
4008         switch (opcode) {
4009         case COMMON_EVENT_VF_PF_CHANNEL:
4010                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4011                                           &data->vf_pf_channel.msg_addr);
4012         case COMMON_EVENT_MALICIOUS_VF:
4013                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4014                 return 0;
4015         default:
4016                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4017                         opcode);
4018                 return -EINVAL;
4019         }
4020 }
4021
4022 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4023 {
4024         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4025         u16 i;
4026
4027         if (!p_iov)
4028                 goto out;
4029
4030         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4031                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4032                         return i;
4033
4034 out:
4035         return MAX_NUM_VFS;
4036 }
4037
4038 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4039                                int vfid)
4040 {
4041         struct qed_dmae_params params;
4042         struct qed_vf_info *vf_info;
4043
4044         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4045         if (!vf_info)
4046                 return -EINVAL;
4047
4048         memset(&params, 0, sizeof(struct qed_dmae_params));
4049         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
4050         params.src_vfid = vf_info->abs_vf_id;
4051
4052         if (qed_dmae_host2host(p_hwfn, ptt,
4053                                vf_info->vf_mbx.pending_req,
4054                                vf_info->vf_mbx.req_phys,
4055                                sizeof(union vfpf_tlvs) / 4, &params)) {
4056                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4057                            "Failed to copy message from VF 0x%02x\n", vfid);
4058
4059                 return -EIO;
4060         }
4061
4062         return 0;
4063 }
4064
4065 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4066                                             u8 *mac, int vfid)
4067 {
4068         struct qed_vf_info *vf_info;
4069         u64 feature;
4070
4071         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4072         if (!vf_info) {
4073                 DP_NOTICE(p_hwfn->cdev,
4074                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4075                 return;
4076         }
4077
4078         if (vf_info->b_malicious) {
4079                 DP_NOTICE(p_hwfn->cdev,
4080                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4081                 return;
4082         }
4083
4084         feature = 1 << MAC_ADDR_FORCED;
4085         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4086
4087         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4088         /* Forced MAC will disable MAC_ADDR */
4089         vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
4090
4091         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4092 }
4093
4094 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4095                                              u16 pvid, int vfid)
4096 {
4097         struct qed_vf_info *vf_info;
4098         u64 feature;
4099
4100         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4101         if (!vf_info) {
4102                 DP_NOTICE(p_hwfn->cdev,
4103                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4104                 return;
4105         }
4106
4107         if (vf_info->b_malicious) {
4108                 DP_NOTICE(p_hwfn->cdev,
4109                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4110                 return;
4111         }
4112
4113         feature = 1 << VLAN_ADDR_FORCED;
4114         vf_info->bulletin.p_virt->pvid = pvid;
4115         if (pvid)
4116                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4117         else
4118                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4119
4120         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4121 }
4122
4123 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4124                                     int vfid, u16 vxlan_port, u16 geneve_port)
4125 {
4126         struct qed_vf_info *vf_info;
4127
4128         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4129         if (!vf_info) {
4130                 DP_NOTICE(p_hwfn->cdev,
4131                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4132                 return;
4133         }
4134
4135         if (vf_info->b_malicious) {
4136                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4137                            "Can not set udp ports to malicious VF [%d]\n",
4138                            vfid);
4139                 return;
4140         }
4141
4142         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4143         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4144 }
4145
4146 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4147 {
4148         struct qed_vf_info *p_vf_info;
4149
4150         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4151         if (!p_vf_info)
4152                 return false;
4153
4154         return !!p_vf_info->vport_instance;
4155 }
4156
4157 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4158 {
4159         struct qed_vf_info *p_vf_info;
4160
4161         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4162         if (!p_vf_info)
4163                 return true;
4164
4165         return p_vf_info->state == VF_STOPPED;
4166 }
4167
4168 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4169 {
4170         struct qed_vf_info *vf_info;
4171
4172         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4173         if (!vf_info)
4174                 return false;
4175
4176         return vf_info->spoof_chk;
4177 }
4178
4179 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4180 {
4181         struct qed_vf_info *vf;
4182         int rc = -EINVAL;
4183
4184         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4185                 DP_NOTICE(p_hwfn,
4186                           "SR-IOV sanity check failed, can't set spoofchk\n");
4187                 goto out;
4188         }
4189
4190         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4191         if (!vf)
4192                 goto out;
4193
4194         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4195                 /* After VF VPORT start PF will configure spoof check */
4196                 vf->req_spoofchk_val = val;
4197                 rc = 0;
4198                 goto out;
4199         }
4200
4201         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4202
4203 out:
4204         return rc;
4205 }
4206
4207 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4208                                            u16 rel_vf_id)
4209 {
4210         struct qed_vf_info *p_vf;
4211
4212         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4213         if (!p_vf || !p_vf->bulletin.p_virt)
4214                 return NULL;
4215
4216         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4217                 return NULL;
4218
4219         return p_vf->bulletin.p_virt->mac;
4220 }
4221
4222 static u16
4223 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4224 {
4225         struct qed_vf_info *p_vf;
4226
4227         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4228         if (!p_vf || !p_vf->bulletin.p_virt)
4229                 return 0;
4230
4231         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4232                 return 0;
4233
4234         return p_vf->bulletin.p_virt->pvid;
4235 }
4236
4237 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4238                                      struct qed_ptt *p_ptt, int vfid, int val)
4239 {
4240         struct qed_vf_info *vf;
4241         u8 abs_vp_id = 0;
4242         int rc;
4243
4244         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4245         if (!vf)
4246                 return -EINVAL;
4247
4248         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4249         if (rc)
4250                 return rc;
4251
4252         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
4253 }
4254
4255 static int
4256 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4257 {
4258         struct qed_vf_info *vf;
4259         u8 vport_id;
4260         int i;
4261
4262         for_each_hwfn(cdev, i) {
4263                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4264
4265                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4266                         DP_NOTICE(p_hwfn,
4267                                   "SR-IOV sanity check failed, can't set min rate\n");
4268                         return -EINVAL;
4269                 }
4270         }
4271
4272         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4273         vport_id = vf->vport_id;
4274
4275         return qed_configure_vport_wfq(cdev, vport_id, rate);
4276 }
4277
4278 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4279 {
4280         struct qed_wfq_data *vf_vp_wfq;
4281         struct qed_vf_info *vf_info;
4282
4283         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4284         if (!vf_info)
4285                 return 0;
4286
4287         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4288
4289         if (vf_vp_wfq->configured)
4290                 return vf_vp_wfq->min_speed;
4291         else
4292                 return 0;
4293 }
4294
4295 /**
4296  * qed_schedule_iov - schedules IOV task for VF and PF
4297  * @hwfn: hardware function pointer
4298  * @flag: IOV flag for VF/PF
4299  */
4300 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4301 {
4302         smp_mb__before_atomic();
4303         set_bit(flag, &hwfn->iov_task_flags);
4304         smp_mb__after_atomic();
4305         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4306         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4307 }
4308
4309 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4310 {
4311         int i;
4312
4313         for_each_hwfn(cdev, i)
4314             queue_delayed_work(cdev->hwfns[i].iov_wq,
4315                                &cdev->hwfns[i].iov_task, 0);
4316 }
4317
4318 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4319 {
4320         int i, j;
4321
4322         for_each_hwfn(cdev, i)
4323             if (cdev->hwfns[i].iov_wq)
4324                 flush_workqueue(cdev->hwfns[i].iov_wq);
4325
4326         /* Mark VFs for disablement */
4327         qed_iov_set_vfs_to_disable(cdev, true);
4328
4329         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4330                 pci_disable_sriov(cdev->pdev);
4331
4332         for_each_hwfn(cdev, i) {
4333                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4334                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4335
4336                 /* Failure to acquire the ptt in 100g creates an odd error
4337                  * where the first engine has already relased IOV.
4338                  */
4339                 if (!ptt) {
4340                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4341                         return -EBUSY;
4342                 }
4343
4344                 /* Clean WFQ db and configure equal weight for all vports */
4345                 qed_clean_wfq_db(hwfn, ptt);
4346
4347                 qed_for_each_vf(hwfn, j) {
4348                         int k;
4349
4350                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4351                                 continue;
4352
4353                         /* Wait until VF is disabled before releasing */
4354                         for (k = 0; k < 100; k++) {
4355                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4356                                         msleep(20);
4357                                 else
4358                                         break;
4359                         }
4360
4361                         if (k < 100)
4362                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4363                                                           ptt, j);
4364                         else
4365                                 DP_ERR(hwfn,
4366                                        "Timeout waiting for VF's FLR to end\n");
4367                 }
4368
4369                 qed_ptt_release(hwfn, ptt);
4370         }
4371
4372         qed_iov_set_vfs_to_disable(cdev, false);
4373
4374         return 0;
4375 }
4376
4377 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4378                                         u16 vfid,
4379                                         struct qed_iov_vf_init_params *params)
4380 {
4381         u16 base, i;
4382
4383         /* Since we have an equal resource distribution per-VF, and we assume
4384          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4385          * sequentially from there.
4386          */
4387         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4388
4389         params->rel_vf_id = vfid;
4390         for (i = 0; i < params->num_queues; i++) {
4391                 params->req_rx_queue[i] = base + i;
4392                 params->req_tx_queue[i] = base + i;
4393         }
4394 }
4395
4396 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4397 {
4398         struct qed_iov_vf_init_params params;
4399         int i, j, rc;
4400
4401         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4402                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4403                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4404                 return -EINVAL;
4405         }
4406
4407         memset(&params, 0, sizeof(params));
4408
4409         /* Initialize HW for VF access */
4410         for_each_hwfn(cdev, j) {
4411                 struct qed_hwfn *hwfn = &cdev->hwfns[j];
4412                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4413
4414                 /* Make sure not to use more than 16 queues per VF */
4415                 params.num_queues = min_t(int,
4416                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4417                                           16);
4418
4419                 if (!ptt) {
4420                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4421                         rc = -EBUSY;
4422                         goto err;
4423                 }
4424
4425                 for (i = 0; i < num; i++) {
4426                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4427                                 continue;
4428
4429                         qed_sriov_enable_qid_config(hwfn, i, &params);
4430                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4431                         if (rc) {
4432                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4433                                 qed_ptt_release(hwfn, ptt);
4434                                 goto err;
4435                         }
4436                 }
4437
4438                 qed_ptt_release(hwfn, ptt);
4439         }
4440
4441         /* Enable SRIOV PCIe functions */
4442         rc = pci_enable_sriov(cdev->pdev, num);
4443         if (rc) {
4444                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4445                 goto err;
4446         }
4447
4448         return num;
4449
4450 err:
4451         qed_sriov_disable(cdev, false);
4452         return rc;
4453 }
4454
4455 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4456 {
4457         if (!IS_QED_SRIOV(cdev)) {
4458                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4459                 return -EOPNOTSUPP;
4460         }
4461
4462         if (num_vfs_param)
4463                 return qed_sriov_enable(cdev, num_vfs_param);
4464         else
4465                 return qed_sriov_disable(cdev, true);
4466 }
4467
4468 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4469 {
4470         int i;
4471
4472         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4473                 DP_VERBOSE(cdev, QED_MSG_IOV,
4474                            "Cannot set a VF MAC; Sriov is not enabled\n");
4475                 return -EINVAL;
4476         }
4477
4478         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4479                 DP_VERBOSE(cdev, QED_MSG_IOV,
4480                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4481                 return -EINVAL;
4482         }
4483
4484         for_each_hwfn(cdev, i) {
4485                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4486                 struct qed_public_vf_info *vf_info;
4487
4488                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4489                 if (!vf_info)
4490                         continue;
4491
4492                 /* Set the forced MAC, and schedule the IOV task */
4493                 ether_addr_copy(vf_info->forced_mac, mac);
4494                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4495         }
4496
4497         return 0;
4498 }
4499
4500 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4501 {
4502         int i;
4503
4504         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4505                 DP_VERBOSE(cdev, QED_MSG_IOV,
4506                            "Cannot set a VF MAC; Sriov is not enabled\n");
4507                 return -EINVAL;
4508         }
4509
4510         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4511                 DP_VERBOSE(cdev, QED_MSG_IOV,
4512                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4513                 return -EINVAL;
4514         }
4515
4516         for_each_hwfn(cdev, i) {
4517                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4518                 struct qed_public_vf_info *vf_info;
4519
4520                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4521                 if (!vf_info)
4522                         continue;
4523
4524                 /* Set the forced vlan, and schedule the IOV task */
4525                 vf_info->forced_vlan = vid;
4526                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4527         }
4528
4529         return 0;
4530 }
4531
4532 static int qed_get_vf_config(struct qed_dev *cdev,
4533                              int vf_id, struct ifla_vf_info *ivi)
4534 {
4535         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4536         struct qed_public_vf_info *vf_info;
4537         struct qed_mcp_link_state link;
4538         u32 tx_rate;
4539
4540         /* Sanitize request */
4541         if (IS_VF(cdev))
4542                 return -EINVAL;
4543
4544         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4545                 DP_VERBOSE(cdev, QED_MSG_IOV,
4546                            "VF index [%d] isn't active\n", vf_id);
4547                 return -EINVAL;
4548         }
4549
4550         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4551
4552         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4553
4554         /* Fill information about VF */
4555         ivi->vf = vf_id;
4556
4557         if (is_valid_ether_addr(vf_info->forced_mac))
4558                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4559         else
4560                 ether_addr_copy(ivi->mac, vf_info->mac);
4561
4562         ivi->vlan = vf_info->forced_vlan;
4563         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4564         ivi->linkstate = vf_info->link_state;
4565         tx_rate = vf_info->tx_rate;
4566         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4567         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4568
4569         return 0;
4570 }
4571
4572 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4573 {
4574         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4575         struct qed_mcp_link_capabilities caps;
4576         struct qed_mcp_link_params params;
4577         struct qed_mcp_link_state link;
4578         int i;
4579
4580         if (!hwfn->pf_iov_info)
4581                 return;
4582
4583         /* Update bulletin of all future possible VFs with link configuration */
4584         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4585                 struct qed_public_vf_info *vf_info;
4586
4587                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4588                 if (!vf_info)
4589                         continue;
4590
4591                 /* Only hwfn0 is actually interested in the link speed.
4592                  * But since only it would receive an MFW indication of link,
4593                  * need to take configuration from it - otherwise things like
4594                  * rate limiting for hwfn1 VF would not work.
4595                  */
4596                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4597                        sizeof(params));
4598                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4599                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4600                        sizeof(caps));
4601
4602                 /* Modify link according to the VF's configured link state */
4603                 switch (vf_info->link_state) {
4604                 case IFLA_VF_LINK_STATE_DISABLE:
4605                         link.link_up = false;
4606                         break;
4607                 case IFLA_VF_LINK_STATE_ENABLE:
4608                         link.link_up = true;
4609                         /* Set speed according to maximum supported by HW.
4610                          * that is 40G for regular devices and 100G for CMT
4611                          * mode devices.
4612                          */
4613                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4614                                      100000 : 40000;
4615                 default:
4616                         /* In auto mode pass PF link image to VF */
4617                         break;
4618                 }
4619
4620                 if (link.link_up && vf_info->tx_rate) {
4621                         struct qed_ptt *ptt;
4622                         int rate;
4623
4624                         rate = min_t(int, vf_info->tx_rate, link.speed);
4625
4626                         ptt = qed_ptt_acquire(hwfn);
4627                         if (!ptt) {
4628                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4629                                 return;
4630                         }
4631
4632                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4633                                 vf_info->tx_rate = rate;
4634                                 link.speed = rate;
4635                         }
4636
4637                         qed_ptt_release(hwfn, ptt);
4638                 }
4639
4640                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4641         }
4642
4643         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4644 }
4645
4646 static int qed_set_vf_link_state(struct qed_dev *cdev,
4647                                  int vf_id, int link_state)
4648 {
4649         int i;
4650
4651         /* Sanitize request */
4652         if (IS_VF(cdev))
4653                 return -EINVAL;
4654
4655         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4656                 DP_VERBOSE(cdev, QED_MSG_IOV,
4657                            "VF index [%d] isn't active\n", vf_id);
4658                 return -EINVAL;
4659         }
4660
4661         /* Handle configuration of link state */
4662         for_each_hwfn(cdev, i) {
4663                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4664                 struct qed_public_vf_info *vf;
4665
4666                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4667                 if (!vf)
4668                         continue;
4669
4670                 if (vf->link_state == link_state)
4671                         continue;
4672
4673                 vf->link_state = link_state;
4674                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4675         }
4676
4677         return 0;
4678 }
4679
4680 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4681 {
4682         int i, rc = -EINVAL;
4683
4684         for_each_hwfn(cdev, i) {
4685                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4686
4687                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4688                 if (rc)
4689                         break;
4690         }
4691
4692         return rc;
4693 }
4694
4695 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4696 {
4697         int i;
4698
4699         for_each_hwfn(cdev, i) {
4700                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4701                 struct qed_public_vf_info *vf;
4702
4703                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4704                         DP_NOTICE(p_hwfn,
4705                                   "SR-IOV sanity check failed, can't set tx rate\n");
4706                         return -EINVAL;
4707                 }
4708
4709                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4710
4711                 vf->tx_rate = rate;
4712
4713                 qed_inform_vf_link_state(p_hwfn);
4714         }
4715
4716         return 0;
4717 }
4718
4719 static int qed_set_vf_rate(struct qed_dev *cdev,
4720                            int vfid, u32 min_rate, u32 max_rate)
4721 {
4722         int rc_min = 0, rc_max = 0;
4723
4724         if (max_rate)
4725                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4726
4727         if (min_rate)
4728                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4729
4730         if (rc_max | rc_min)
4731                 return -EINVAL;
4732
4733         return 0;
4734 }
4735
4736 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4737 {
4738         int i;
4739
4740         for_each_hwfn(cdev, i) {
4741                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4742                 struct qed_public_vf_info *vf;
4743
4744                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4745                         DP_NOTICE(hwfn,
4746                                   "SR-IOV sanity check failed, can't set trust\n");
4747                         return -EINVAL;
4748                 }
4749
4750                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4751
4752                 if (vf->is_trusted_request == trust)
4753                         return 0;
4754                 vf->is_trusted_request = trust;
4755
4756                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4757         }
4758
4759         return 0;
4760 }
4761
4762 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4763 {
4764         u64 events[QED_VF_ARRAY_LENGTH];
4765         struct qed_ptt *ptt;
4766         int i;
4767
4768         ptt = qed_ptt_acquire(hwfn);
4769         if (!ptt) {
4770                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4771                            "Can't acquire PTT; re-scheduling\n");
4772                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4773                 return;
4774         }
4775
4776         qed_iov_pf_get_pending_events(hwfn, events);
4777
4778         DP_VERBOSE(hwfn, QED_MSG_IOV,
4779                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4780                    events[0], events[1], events[2]);
4781
4782         qed_for_each_vf(hwfn, i) {
4783                 /* Skip VFs with no pending messages */
4784                 if (!(events[i / 64] & (1ULL << (i % 64))))
4785                         continue;
4786
4787                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4788                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4789                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4790
4791                 /* Copy VF's message to PF's request buffer for that VF */
4792                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4793                         continue;
4794
4795                 qed_iov_process_mbx_req(hwfn, ptt, i);
4796         }
4797
4798         qed_ptt_release(hwfn, ptt);
4799 }
4800
4801 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4802 {
4803         int i;
4804
4805         qed_for_each_vf(hwfn, i) {
4806                 struct qed_public_vf_info *info;
4807                 bool update = false;
4808                 u8 *mac;
4809
4810                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4811                 if (!info)
4812                         continue;
4813
4814                 /* Update data on bulletin board */
4815                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4816                 if (is_valid_ether_addr(info->forced_mac) &&
4817                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
4818                         DP_VERBOSE(hwfn,
4819                                    QED_MSG_IOV,
4820                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4821                                    i,
4822                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4823
4824                         /* Update bulletin board with forced MAC */
4825                         qed_iov_bulletin_set_forced_mac(hwfn,
4826                                                         info->forced_mac, i);
4827                         update = true;
4828                 }
4829
4830                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4831                     info->forced_vlan) {
4832                         DP_VERBOSE(hwfn,
4833                                    QED_MSG_IOV,
4834                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
4835                                    info->forced_vlan,
4836                                    i,
4837                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4838                         qed_iov_bulletin_set_forced_vlan(hwfn,
4839                                                          info->forced_vlan, i);
4840                         update = true;
4841                 }
4842
4843                 if (update)
4844                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4845         }
4846 }
4847
4848 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
4849 {
4850         struct qed_ptt *ptt;
4851         int i;
4852
4853         ptt = qed_ptt_acquire(hwfn);
4854         if (!ptt) {
4855                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
4856                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4857                 return;
4858         }
4859
4860         qed_for_each_vf(hwfn, i)
4861             qed_iov_post_vf_bulletin(hwfn, i, ptt);
4862
4863         qed_ptt_release(hwfn, ptt);
4864 }
4865
4866 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
4867 {
4868         struct qed_sp_vport_update_params params;
4869         struct qed_filter_accept_flags *flags;
4870         struct qed_public_vf_info *vf_info;
4871         struct qed_vf_info *vf;
4872         u8 mask;
4873         int i;
4874
4875         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
4876         flags = &params.accept_flags;
4877
4878         qed_for_each_vf(hwfn, i) {
4879                 /* Need to make sure current requested configuration didn't
4880                  * flip so that we'll end up configuring something that's not
4881                  * needed.
4882                  */
4883                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
4884                 if (vf_info->is_trusted_configured ==
4885                     vf_info->is_trusted_request)
4886                         continue;
4887                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
4888
4889                 /* Validate that the VF has a configured vport */
4890                 vf = qed_iov_get_vf_info(hwfn, i, true);
4891                 if (!vf->vport_instance)
4892                         continue;
4893
4894                 memset(&params, 0, sizeof(params));
4895                 params.opaque_fid = vf->opaque_fid;
4896                 params.vport_id = vf->vport_id;
4897
4898                 if (vf_info->rx_accept_mode & mask) {
4899                         flags->update_rx_mode_config = 1;
4900                         flags->rx_accept_filter = vf_info->rx_accept_mode;
4901                 }
4902
4903                 if (vf_info->tx_accept_mode & mask) {
4904                         flags->update_tx_mode_config = 1;
4905                         flags->tx_accept_filter = vf_info->tx_accept_mode;
4906                 }
4907
4908                 /* Remove if needed; Otherwise this would set the mask */
4909                 if (!vf_info->is_trusted_configured) {
4910                         flags->rx_accept_filter &= ~mask;
4911                         flags->tx_accept_filter &= ~mask;
4912                 }
4913
4914                 if (flags->update_rx_mode_config ||
4915                     flags->update_tx_mode_config)
4916                         qed_sp_vport_update(hwfn, &params,
4917                                             QED_SPQ_MODE_EBLOCK, NULL);
4918         }
4919 }
4920
4921 static void qed_iov_pf_task(struct work_struct *work)
4922
4923 {
4924         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
4925                                              iov_task.work);
4926         int rc;
4927
4928         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
4929                 return;
4930
4931         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
4932                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4933
4934                 if (!ptt) {
4935                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4936                         return;
4937                 }
4938
4939                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
4940                 if (rc)
4941                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4942
4943                 qed_ptt_release(hwfn, ptt);
4944         }
4945
4946         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
4947                 qed_handle_vf_msg(hwfn);
4948
4949         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
4950                                &hwfn->iov_task_flags))
4951                 qed_handle_pf_set_vf_unicast(hwfn);
4952
4953         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
4954                                &hwfn->iov_task_flags))
4955                 qed_handle_bulletin_post(hwfn);
4956
4957         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
4958                 qed_iov_handle_trust_change(hwfn);
4959 }
4960
4961 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
4962 {
4963         int i;
4964
4965         for_each_hwfn(cdev, i) {
4966                 if (!cdev->hwfns[i].iov_wq)
4967                         continue;
4968
4969                 if (schedule_first) {
4970                         qed_schedule_iov(&cdev->hwfns[i],
4971                                          QED_IOV_WQ_STOP_WQ_FLAG);
4972                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
4973                 }
4974
4975                 flush_workqueue(cdev->hwfns[i].iov_wq);
4976                 destroy_workqueue(cdev->hwfns[i].iov_wq);
4977         }
4978 }
4979
4980 int qed_iov_wq_start(struct qed_dev *cdev)
4981 {
4982         char name[NAME_SIZE];
4983         int i;
4984
4985         for_each_hwfn(cdev, i) {
4986                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4987
4988                 /* PFs needs a dedicated workqueue only if they support IOV.
4989                  * VFs always require one.
4990                  */
4991                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
4992                         continue;
4993
4994                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
4995                          cdev->pdev->bus->number,
4996                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
4997
4998                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
4999                 if (!p_hwfn->iov_wq) {
5000                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5001                         return -ENOMEM;
5002                 }
5003
5004                 if (IS_PF(cdev))
5005                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5006                 else
5007                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5008         }
5009
5010         return 0;
5011 }
5012
5013 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5014         .configure = &qed_sriov_configure,
5015         .set_mac = &qed_sriov_pf_set_mac,
5016         .set_vlan = &qed_sriov_pf_set_vlan,
5017         .get_config = &qed_get_vf_config,
5018         .set_link_state = &qed_set_vf_link_state,
5019         .set_spoof = &qed_spoof_configure,
5020         .set_rate = &qed_set_vf_rate,
5021         .set_trust = &qed_set_vf_trust,
5022 };