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 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
  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 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             p_vf->p_vf_info.is_trusted_configured) {
1795                 /* Since there's no way [currently] of removing the MAC,
1796                  * we can always assume this means we need to force it.
1797                  */
1798                 memset(&filter, 0, sizeof(filter));
1799                 filter.type = QED_FILTER_MAC;
1800                 filter.opcode = QED_FILTER_REPLACE;
1801                 filter.is_rx_filter = 1;
1802                 filter.is_tx_filter = 1;
1803                 filter.vport_to_add_to = p_vf->vport_id;
1804                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1805
1806                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1807                                              &filter, QED_SPQ_MODE_CB, NULL);
1808                 if (rc) {
1809                         DP_NOTICE(p_hwfn,
1810                                   "PF failed to configure MAC for VF\n");
1811                         return rc;
1812                 }
1813                 if (p_vf->p_vf_info.is_trusted_configured)
1814                         p_vf->configured_features |=
1815                                 BIT(VFPF_BULLETIN_MAC_ADDR);
1816                 else
1817                         p_vf->configured_features |=
1818                                 BIT(MAC_ADDR_FORCED);
1819         }
1820
1821         if (events & BIT(VLAN_ADDR_FORCED)) {
1822                 struct qed_sp_vport_update_params vport_update;
1823                 u8 removal;
1824                 int i;
1825
1826                 memset(&filter, 0, sizeof(filter));
1827                 filter.type = QED_FILTER_VLAN;
1828                 filter.is_rx_filter = 1;
1829                 filter.is_tx_filter = 1;
1830                 filter.vport_to_add_to = p_vf->vport_id;
1831                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1832                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1833                                               QED_FILTER_FLUSH;
1834
1835                 /* Send the ramrod */
1836                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1837                                              &filter, QED_SPQ_MODE_CB, NULL);
1838                 if (rc) {
1839                         DP_NOTICE(p_hwfn,
1840                                   "PF failed to configure VLAN for VF\n");
1841                         return rc;
1842                 }
1843
1844                 /* Update the default-vlan & silent vlan stripping */
1845                 memset(&vport_update, 0, sizeof(vport_update));
1846                 vport_update.opaque_fid = p_vf->opaque_fid;
1847                 vport_update.vport_id = p_vf->vport_id;
1848                 vport_update.update_default_vlan_enable_flg = 1;
1849                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1850                 vport_update.update_default_vlan_flg = 1;
1851                 vport_update.default_vlan = filter.vlan;
1852
1853                 vport_update.update_inner_vlan_removal_flg = 1;
1854                 removal = filter.vlan ? 1
1855                                       : p_vf->shadow_config.inner_vlan_removal;
1856                 vport_update.inner_vlan_removal_flg = removal;
1857                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1858                 rc = qed_sp_vport_update(p_hwfn,
1859                                          &vport_update,
1860                                          QED_SPQ_MODE_EBLOCK, NULL);
1861                 if (rc) {
1862                         DP_NOTICE(p_hwfn,
1863                                   "PF failed to configure VF vport for vlan\n");
1864                         return rc;
1865                 }
1866
1867                 /* Update all the Rx queues */
1868                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1869                         struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1870                         struct qed_queue_cid *p_cid = NULL;
1871
1872                         /* There can be at most 1 Rx queue on qzone. Find it */
1873                         p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1874                         if (!p_cid)
1875                                 continue;
1876
1877                         rc = qed_sp_eth_rx_queues_update(p_hwfn,
1878                                                          (void **)&p_cid,
1879                                                          1, 0, 1,
1880                                                          QED_SPQ_MODE_EBLOCK,
1881                                                          NULL);
1882                         if (rc) {
1883                                 DP_NOTICE(p_hwfn,
1884                                           "Failed to send Rx update fo queue[0x%04x]\n",
1885                                           p_cid->rel.queue_id);
1886                                 return rc;
1887                         }
1888                 }
1889
1890                 if (filter.vlan)
1891                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1892                 else
1893                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1894         }
1895
1896         /* If forced features are terminated, we need to configure the shadow
1897          * configuration back again.
1898          */
1899         if (events)
1900                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1901
1902         return rc;
1903 }
1904
1905 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1906                                        struct qed_ptt *p_ptt,
1907                                        struct qed_vf_info *vf)
1908 {
1909         struct qed_sp_vport_start_params params = { 0 };
1910         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1911         struct vfpf_vport_start_tlv *start;
1912         u8 status = PFVF_STATUS_SUCCESS;
1913         struct qed_vf_info *vf_info;
1914         u64 *p_bitmap;
1915         int sb_id;
1916         int rc;
1917
1918         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1919         if (!vf_info) {
1920                 DP_NOTICE(p_hwfn->cdev,
1921                           "Failed to get VF info, invalid vfid [%d]\n",
1922                           vf->relative_vf_id);
1923                 return;
1924         }
1925
1926         vf->state = VF_ENABLED;
1927         start = &mbx->req_virt->start_vport;
1928
1929         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1930
1931         /* Initialize Status block in CAU */
1932         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1933                 if (!start->sb_addr[sb_id]) {
1934                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1935                                    "VF[%d] did not fill the address of SB %d\n",
1936                                    vf->relative_vf_id, sb_id);
1937                         break;
1938                 }
1939
1940                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1941                                     start->sb_addr[sb_id],
1942                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1943         }
1944
1945         vf->mtu = start->mtu;
1946         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1947
1948         /* Take into consideration configuration forced by hypervisor;
1949          * If none is configured, use the supplied VF values [for old
1950          * vfs that would still be fine, since they passed '0' as padding].
1951          */
1952         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1953         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1954                 u8 vf_req = start->only_untagged;
1955
1956                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1957                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1958         }
1959
1960         params.tpa_mode = start->tpa_mode;
1961         params.remove_inner_vlan = start->inner_vlan_removal;
1962         params.tx_switching = true;
1963
1964         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1965         params.drop_ttl0 = false;
1966         params.concrete_fid = vf->concrete_fid;
1967         params.opaque_fid = vf->opaque_fid;
1968         params.vport_id = vf->vport_id;
1969         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1970         params.mtu = vf->mtu;
1971         params.check_mac = true;
1972
1973         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1974         if (rc) {
1975                 DP_ERR(p_hwfn,
1976                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1977                 status = PFVF_STATUS_FAILURE;
1978         } else {
1979                 vf->vport_instance++;
1980
1981                 /* Force configuration if needed on the newly opened vport */
1982                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1983
1984                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1985         }
1986         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1987                              sizeof(struct pfvf_def_resp_tlv), status);
1988 }
1989
1990 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1991                                       struct qed_ptt *p_ptt,
1992                                       struct qed_vf_info *vf)
1993 {
1994         u8 status = PFVF_STATUS_SUCCESS;
1995         int rc;
1996
1997         vf->vport_instance--;
1998         vf->spoof_chk = false;
1999
2000         if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
2001             (qed_iov_validate_active_txq(p_hwfn, vf))) {
2002                 vf->b_malicious = true;
2003                 DP_NOTICE(p_hwfn,
2004                           "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
2005                           vf->abs_vf_id);
2006                 status = PFVF_STATUS_MALICIOUS;
2007                 goto out;
2008         }
2009
2010         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
2011         if (rc) {
2012                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
2013                        rc);
2014                 status = PFVF_STATUS_FAILURE;
2015         }
2016
2017         /* Forget the configuration on the vport */
2018         vf->configured_features = 0;
2019         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2020
2021 out:
2022         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2023                              sizeof(struct pfvf_def_resp_tlv), status);
2024 }
2025
2026 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2027                                           struct qed_ptt *p_ptt,
2028                                           struct qed_vf_info *vf,
2029                                           u8 status, bool b_legacy)
2030 {
2031         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2032         struct pfvf_start_queue_resp_tlv *p_tlv;
2033         struct vfpf_start_rxq_tlv *req;
2034         u16 length;
2035
2036         mbx->offset = (u8 *)mbx->reply_virt;
2037
2038         /* Taking a bigger struct instead of adding a TLV to list was a
2039          * mistake, but one which we're now stuck with, as some older
2040          * clients assume the size of the previous response.
2041          */
2042         if (!b_legacy)
2043                 length = sizeof(*p_tlv);
2044         else
2045                 length = sizeof(struct pfvf_def_resp_tlv);
2046
2047         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2048                             length);
2049         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2050                     sizeof(struct channel_list_end_tlv));
2051
2052         /* Update the TLV with the response */
2053         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2054                 req = &mbx->req_virt->start_rxq;
2055                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2056                                 offsetof(struct mstorm_vf_zone,
2057                                          non_trigger.eth_rx_queue_producers) +
2058                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
2059         }
2060
2061         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2062 }
2063
2064 static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2065                              struct qed_vf_info *p_vf, bool b_is_tx)
2066 {
2067         struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2068         struct vfpf_qid_tlv *p_qid_tlv;
2069
2070         /* Search for the qid if the VF published its going to provide it */
2071         if (!(p_vf->acquire.vfdev_info.capabilities &
2072               VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2073                 if (b_is_tx)
2074                         return QED_IOV_LEGACY_QID_TX;
2075                 else
2076                         return QED_IOV_LEGACY_QID_RX;
2077         }
2078
2079         p_qid_tlv = (struct vfpf_qid_tlv *)
2080                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2081                                              CHANNEL_TLV_QID);
2082         if (!p_qid_tlv) {
2083                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2084                            "VF[%2x]: Failed to provide qid\n",
2085                            p_vf->relative_vf_id);
2086
2087                 return QED_IOV_QID_INVALID;
2088         }
2089
2090         if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2091                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2092                            "VF[%02x]: Provided qid out-of-bounds %02x\n",
2093                            p_vf->relative_vf_id, p_qid_tlv->qid);
2094                 return QED_IOV_QID_INVALID;
2095         }
2096
2097         return p_qid_tlv->qid;
2098 }
2099
2100 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2101                                      struct qed_ptt *p_ptt,
2102                                      struct qed_vf_info *vf)
2103 {
2104         struct qed_queue_start_common_params params;
2105         struct qed_queue_cid_vf_params vf_params;
2106         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2107         u8 status = PFVF_STATUS_NO_RESOURCE;
2108         u8 qid_usage_idx, vf_legacy = 0;
2109         struct vfpf_start_rxq_tlv *req;
2110         struct qed_vf_queue *p_queue;
2111         struct qed_queue_cid *p_cid;
2112         struct qed_sb_info sb_dummy;
2113         int rc;
2114
2115         req = &mbx->req_virt->start_rxq;
2116
2117         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2118                                   QED_IOV_VALIDATE_Q_DISABLE) ||
2119             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2120                 goto out;
2121
2122         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2123         if (qid_usage_idx == QED_IOV_QID_INVALID)
2124                 goto out;
2125
2126         p_queue = &vf->vf_queues[req->rx_qid];
2127         if (p_queue->cids[qid_usage_idx].p_cid)
2128                 goto out;
2129
2130         vf_legacy = qed_vf_calculate_legacy(vf);
2131
2132         /* Acquire a new queue-cid */
2133         memset(&params, 0, sizeof(params));
2134         params.queue_id = p_queue->fw_rx_qid;
2135         params.vport_id = vf->vport_id;
2136         params.stats_id = vf->abs_vf_id + 0x10;
2137         /* Since IGU index is passed via sb_info, construct a dummy one */
2138         memset(&sb_dummy, 0, sizeof(sb_dummy));
2139         sb_dummy.igu_sb_id = req->hw_sb;
2140         params.p_sb = &sb_dummy;
2141         params.sb_idx = req->sb_index;
2142
2143         memset(&vf_params, 0, sizeof(vf_params));
2144         vf_params.vfid = vf->relative_vf_id;
2145         vf_params.vf_qid = (u8)req->rx_qid;
2146         vf_params.vf_legacy = vf_legacy;
2147         vf_params.qid_usage_idx = qid_usage_idx;
2148         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2149                                      &params, true, &vf_params);
2150         if (!p_cid)
2151                 goto out;
2152
2153         /* Legacy VFs have their Producers in a different location, which they
2154          * calculate on their own and clean the producer prior to this.
2155          */
2156         if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2157                 REG_WR(p_hwfn,
2158                        GTT_BAR0_MAP_REG_MSDM_RAM +
2159                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2160                        0);
2161
2162         rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2163                                       req->bd_max_bytes,
2164                                       req->rxq_addr,
2165                                       req->cqe_pbl_addr, req->cqe_pbl_size);
2166         if (rc) {
2167                 status = PFVF_STATUS_FAILURE;
2168                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2169         } else {
2170                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2171                 p_queue->cids[qid_usage_idx].b_is_tx = false;
2172                 status = PFVF_STATUS_SUCCESS;
2173                 vf->num_active_rxqs++;
2174         }
2175
2176 out:
2177         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2178                                       !!(vf_legacy &
2179                                          QED_QCID_LEGACY_VF_RX_PROD));
2180 }
2181
2182 static void
2183 qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2184                                struct qed_tunnel_info *p_tun,
2185                                u16 tunn_feature_mask)
2186 {
2187         p_resp->tunn_feature_mask = tunn_feature_mask;
2188         p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2189         p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2190         p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2191         p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2192         p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2193         p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2194         p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2195         p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2196         p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2197         p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2198         p_resp->geneve_udp_port = p_tun->geneve_port.port;
2199         p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2200 }
2201
2202 static void
2203 __qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2204                               struct qed_tunn_update_type *p_tun,
2205                               enum qed_tunn_mode mask, u8 tun_cls)
2206 {
2207         if (p_req->tun_mode_update_mask & BIT(mask)) {
2208                 p_tun->b_update_mode = true;
2209
2210                 if (p_req->tunn_mode & BIT(mask))
2211                         p_tun->b_mode_enabled = true;
2212         }
2213
2214         p_tun->tun_cls = tun_cls;
2215 }
2216
2217 static void
2218 qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2219                             struct qed_tunn_update_type *p_tun,
2220                             struct qed_tunn_update_udp_port *p_port,
2221                             enum qed_tunn_mode mask,
2222                             u8 tun_cls, u8 update_port, u16 port)
2223 {
2224         if (update_port) {
2225                 p_port->b_update_port = true;
2226                 p_port->port = port;
2227         }
2228
2229         __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2230 }
2231
2232 static bool
2233 qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2234 {
2235         bool b_update_requested = false;
2236
2237         if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2238             p_req->update_geneve_port || p_req->update_vxlan_port)
2239                 b_update_requested = true;
2240
2241         return b_update_requested;
2242 }
2243
2244 static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2245 {
2246         if (tun->b_update_mode && !tun->b_mode_enabled) {
2247                 tun->b_update_mode = false;
2248                 *rc = -EINVAL;
2249         }
2250 }
2251
2252 static int
2253 qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2254                                    u16 *tun_features, bool *update,
2255                                    struct qed_tunnel_info *tun_src)
2256 {
2257         struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2258         struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2259         u16 bultn_vxlan_port, bultn_geneve_port;
2260         void *cookie = p_hwfn->cdev->ops_cookie;
2261         int i, rc = 0;
2262
2263         *tun_features = p_hwfn->cdev->tunn_feature_mask;
2264         bultn_vxlan_port = tun->vxlan_port.port;
2265         bultn_geneve_port = tun->geneve_port.port;
2266         qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2267         qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2268         qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2269         qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2270         qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2271
2272         if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2273             (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2274              tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2275              tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2276              tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2277              tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2278                 tun_src->b_update_rx_cls = false;
2279                 tun_src->b_update_tx_cls = false;
2280                 rc = -EINVAL;
2281         }
2282
2283         if (tun_src->vxlan_port.b_update_port) {
2284                 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2285                         tun_src->vxlan_port.b_update_port = false;
2286                 } else {
2287                         *update = true;
2288                         bultn_vxlan_port = tun_src->vxlan_port.port;
2289                 }
2290         }
2291
2292         if (tun_src->geneve_port.b_update_port) {
2293                 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2294                         tun_src->geneve_port.b_update_port = false;
2295                 } else {
2296                         *update = true;
2297                         bultn_geneve_port = tun_src->geneve_port.port;
2298                 }
2299         }
2300
2301         qed_for_each_vf(p_hwfn, i) {
2302                 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2303                                                bultn_geneve_port);
2304         }
2305
2306         qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2307         ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2308
2309         return rc;
2310 }
2311
2312 static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2313                                              struct qed_ptt *p_ptt,
2314                                              struct qed_vf_info *p_vf)
2315 {
2316         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2317         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2318         struct pfvf_update_tunn_param_tlv *p_resp;
2319         struct vfpf_update_tunn_param_tlv *p_req;
2320         u8 status = PFVF_STATUS_SUCCESS;
2321         bool b_update_required = false;
2322         struct qed_tunnel_info tunn;
2323         u16 tunn_feature_mask = 0;
2324         int i, rc = 0;
2325
2326         mbx->offset = (u8 *)mbx->reply_virt;
2327
2328         memset(&tunn, 0, sizeof(tunn));
2329         p_req = &mbx->req_virt->tunn_param_update;
2330
2331         if (!qed_iov_pf_validate_tunn_param(p_req)) {
2332                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2333                            "No tunnel update requested by VF\n");
2334                 status = PFVF_STATUS_FAILURE;
2335                 goto send_resp;
2336         }
2337
2338         tunn.b_update_rx_cls = p_req->update_tun_cls;
2339         tunn.b_update_tx_cls = p_req->update_tun_cls;
2340
2341         qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2342                                     QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2343                                     p_req->update_vxlan_port,
2344                                     p_req->vxlan_port);
2345         qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2346                                     QED_MODE_L2GENEVE_TUNN,
2347                                     p_req->l2geneve_clss,
2348                                     p_req->update_geneve_port,
2349                                     p_req->geneve_port);
2350         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2351                                       QED_MODE_IPGENEVE_TUNN,
2352                                       p_req->ipgeneve_clss);
2353         __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2354                                       QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2355         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2356                                       QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2357
2358         /* If PF modifies VF's req then it should
2359          * still return an error in case of partial configuration
2360          * or modified configuration as opposed to requested one.
2361          */
2362         rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2363                                                 &b_update_required, &tunn);
2364
2365         if (rc)
2366                 status = PFVF_STATUS_FAILURE;
2367
2368         /* If QED client is willing to update anything ? */
2369         if (b_update_required) {
2370                 u16 geneve_port;
2371
2372                 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2373                                                QED_SPQ_MODE_EBLOCK, NULL);
2374                 if (rc)
2375                         status = PFVF_STATUS_FAILURE;
2376
2377                 geneve_port = p_tun->geneve_port.port;
2378                 qed_for_each_vf(p_hwfn, i) {
2379                         qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2380                                                        p_tun->vxlan_port.port,
2381                                                        geneve_port);
2382                 }
2383         }
2384
2385 send_resp:
2386         p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2387                              CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2388
2389         qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2390         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2391                     sizeof(struct channel_list_end_tlv));
2392
2393         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2394 }
2395
2396 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2397                                           struct qed_ptt *p_ptt,
2398                                           struct qed_vf_info *p_vf,
2399                                           u32 cid, u8 status)
2400 {
2401         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2402         struct pfvf_start_queue_resp_tlv *p_tlv;
2403         bool b_legacy = false;
2404         u16 length;
2405
2406         mbx->offset = (u8 *)mbx->reply_virt;
2407
2408         /* Taking a bigger struct instead of adding a TLV to list was a
2409          * mistake, but one which we're now stuck with, as some older
2410          * clients assume the size of the previous response.
2411          */
2412         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2413             ETH_HSI_VER_NO_PKT_LEN_TUNN)
2414                 b_legacy = true;
2415
2416         if (!b_legacy)
2417                 length = sizeof(*p_tlv);
2418         else
2419                 length = sizeof(struct pfvf_def_resp_tlv);
2420
2421         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2422                             length);
2423         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2424                     sizeof(struct channel_list_end_tlv));
2425
2426         /* Update the TLV with the response */
2427         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2428                 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2429
2430         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2431 }
2432
2433 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2434                                      struct qed_ptt *p_ptt,
2435                                      struct qed_vf_info *vf)
2436 {
2437         struct qed_queue_start_common_params params;
2438         struct qed_queue_cid_vf_params vf_params;
2439         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2440         u8 status = PFVF_STATUS_NO_RESOURCE;
2441         struct vfpf_start_txq_tlv *req;
2442         struct qed_vf_queue *p_queue;
2443         struct qed_queue_cid *p_cid;
2444         struct qed_sb_info sb_dummy;
2445         u8 qid_usage_idx, vf_legacy;
2446         u32 cid = 0;
2447         int rc;
2448         u16 pq;
2449
2450         memset(&params, 0, sizeof(params));
2451         req = &mbx->req_virt->start_txq;
2452
2453         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2454                                   QED_IOV_VALIDATE_Q_NA) ||
2455             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2456                 goto out;
2457
2458         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2459         if (qid_usage_idx == QED_IOV_QID_INVALID)
2460                 goto out;
2461
2462         p_queue = &vf->vf_queues[req->tx_qid];
2463         if (p_queue->cids[qid_usage_idx].p_cid)
2464                 goto out;
2465
2466         vf_legacy = qed_vf_calculate_legacy(vf);
2467
2468         /* Acquire a new queue-cid */
2469         params.queue_id = p_queue->fw_tx_qid;
2470         params.vport_id = vf->vport_id;
2471         params.stats_id = vf->abs_vf_id + 0x10;
2472
2473         /* Since IGU index is passed via sb_info, construct a dummy one */
2474         memset(&sb_dummy, 0, sizeof(sb_dummy));
2475         sb_dummy.igu_sb_id = req->hw_sb;
2476         params.p_sb = &sb_dummy;
2477         params.sb_idx = req->sb_index;
2478
2479         memset(&vf_params, 0, sizeof(vf_params));
2480         vf_params.vfid = vf->relative_vf_id;
2481         vf_params.vf_qid = (u8)req->tx_qid;
2482         vf_params.vf_legacy = vf_legacy;
2483         vf_params.qid_usage_idx = qid_usage_idx;
2484
2485         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2486                                      &params, false, &vf_params);
2487         if (!p_cid)
2488                 goto out;
2489
2490         pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2491         rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2492                                       req->pbl_addr, req->pbl_size, pq);
2493         if (rc) {
2494                 status = PFVF_STATUS_FAILURE;
2495                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2496         } else {
2497                 status = PFVF_STATUS_SUCCESS;
2498                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2499                 p_queue->cids[qid_usage_idx].b_is_tx = true;
2500                 cid = p_cid->cid;
2501         }
2502
2503 out:
2504         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2505 }
2506
2507 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2508                                 struct qed_vf_info *vf,
2509                                 u16 rxq_id,
2510                                 u8 qid_usage_idx, bool cqe_completion)
2511 {
2512         struct qed_vf_queue *p_queue;
2513         int rc = 0;
2514
2515         if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2516                 DP_VERBOSE(p_hwfn,
2517                            QED_MSG_IOV,
2518                            "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2519                            vf->relative_vf_id, rxq_id, qid_usage_idx);
2520                 return -EINVAL;
2521         }
2522
2523         p_queue = &vf->vf_queues[rxq_id];
2524
2525         /* We've validated the index and the existence of the active RXQ -
2526          * now we need to make sure that it's using the correct qid.
2527          */
2528         if (!p_queue->cids[qid_usage_idx].p_cid ||
2529             p_queue->cids[qid_usage_idx].b_is_tx) {
2530                 struct qed_queue_cid *p_cid;
2531
2532                 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2533                 DP_VERBOSE(p_hwfn,
2534                            QED_MSG_IOV,
2535                            "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2536                            vf->relative_vf_id,
2537                            rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2538                 return -EINVAL;
2539         }
2540
2541         /* Now that we know we have a valid Rx-queue - close it */
2542         rc = qed_eth_rx_queue_stop(p_hwfn,
2543                                    p_queue->cids[qid_usage_idx].p_cid,
2544                                    false, cqe_completion);
2545         if (rc)
2546                 return rc;
2547
2548         p_queue->cids[qid_usage_idx].p_cid = NULL;
2549         vf->num_active_rxqs--;
2550
2551         return 0;
2552 }
2553
2554 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2555                                 struct qed_vf_info *vf,
2556                                 u16 txq_id, u8 qid_usage_idx)
2557 {
2558         struct qed_vf_queue *p_queue;
2559         int rc = 0;
2560
2561         if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2562                 return -EINVAL;
2563
2564         p_queue = &vf->vf_queues[txq_id];
2565         if (!p_queue->cids[qid_usage_idx].p_cid ||
2566             !p_queue->cids[qid_usage_idx].b_is_tx)
2567                 return -EINVAL;
2568
2569         rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2570         if (rc)
2571                 return rc;
2572
2573         p_queue->cids[qid_usage_idx].p_cid = NULL;
2574         return 0;
2575 }
2576
2577 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2578                                      struct qed_ptt *p_ptt,
2579                                      struct qed_vf_info *vf)
2580 {
2581         u16 length = sizeof(struct pfvf_def_resp_tlv);
2582         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2583         u8 status = PFVF_STATUS_FAILURE;
2584         struct vfpf_stop_rxqs_tlv *req;
2585         u8 qid_usage_idx;
2586         int rc;
2587
2588         /* There has never been an official driver that used this interface
2589          * for stopping multiple queues, and it is now considered deprecated.
2590          * Validate this isn't used here.
2591          */
2592         req = &mbx->req_virt->stop_rxqs;
2593         if (req->num_rxqs != 1) {
2594                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2595                            "Odd; VF[%d] tried stopping multiple Rx queues\n",
2596                            vf->relative_vf_id);
2597                 status = PFVF_STATUS_NOT_SUPPORTED;
2598                 goto out;
2599         }
2600
2601         /* Find which qid-index is associated with the queue */
2602         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2603         if (qid_usage_idx == QED_IOV_QID_INVALID)
2604                 goto out;
2605
2606         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2607                                   qid_usage_idx, req->cqe_completion);
2608         if (!rc)
2609                 status = PFVF_STATUS_SUCCESS;
2610 out:
2611         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2612                              length, status);
2613 }
2614
2615 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2616                                      struct qed_ptt *p_ptt,
2617                                      struct qed_vf_info *vf)
2618 {
2619         u16 length = sizeof(struct pfvf_def_resp_tlv);
2620         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2621         u8 status = PFVF_STATUS_FAILURE;
2622         struct vfpf_stop_txqs_tlv *req;
2623         u8 qid_usage_idx;
2624         int rc;
2625
2626         /* There has never been an official driver that used this interface
2627          * for stopping multiple queues, and it is now considered deprecated.
2628          * Validate this isn't used here.
2629          */
2630         req = &mbx->req_virt->stop_txqs;
2631         if (req->num_txqs != 1) {
2632                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2633                            "Odd; VF[%d] tried stopping multiple Tx queues\n",
2634                            vf->relative_vf_id);
2635                 status = PFVF_STATUS_NOT_SUPPORTED;
2636                 goto out;
2637         }
2638
2639         /* Find which qid-index is associated with the queue */
2640         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2641         if (qid_usage_idx == QED_IOV_QID_INVALID)
2642                 goto out;
2643
2644         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2645         if (!rc)
2646                 status = PFVF_STATUS_SUCCESS;
2647
2648 out:
2649         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2650                              length, status);
2651 }
2652
2653 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2654                                        struct qed_ptt *p_ptt,
2655                                        struct qed_vf_info *vf)
2656 {
2657         struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2658         u16 length = sizeof(struct pfvf_def_resp_tlv);
2659         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2660         struct vfpf_update_rxq_tlv *req;
2661         u8 status = PFVF_STATUS_FAILURE;
2662         u8 complete_event_flg;
2663         u8 complete_cqe_flg;
2664         u8 qid_usage_idx;
2665         int rc;
2666         u8 i;
2667
2668         req = &mbx->req_virt->update_rxq;
2669         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2670         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2671
2672         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2673         if (qid_usage_idx == QED_IOV_QID_INVALID)
2674                 goto out;
2675
2676         /* There shouldn't exist a VF that uses queue-qids yet uses this
2677          * API with multiple Rx queues. Validate this.
2678          */
2679         if ((vf->acquire.vfdev_info.capabilities &
2680              VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2681                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2682                            "VF[%d] supports QIDs but sends multiple queues\n",
2683                            vf->relative_vf_id);
2684                 goto out;
2685         }
2686
2687         /* Validate inputs - for the legacy case this is still true since
2688          * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2689          */
2690         for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2691                 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2692                                           QED_IOV_VALIDATE_Q_NA) ||
2693                     !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2694                     vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2695                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2696                                    "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2697                                    vf->relative_vf_id, req->rx_qid,
2698                                    req->num_rxqs);
2699                         goto out;
2700                 }
2701         }
2702
2703         /* Prepare the handlers */
2704         for (i = 0; i < req->num_rxqs; i++) {
2705                 u16 qid = req->rx_qid + i;
2706
2707                 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2708         }
2709
2710         rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2711                                          req->num_rxqs,
2712                                          complete_cqe_flg,
2713                                          complete_event_flg,
2714                                          QED_SPQ_MODE_EBLOCK, NULL);
2715         if (rc)
2716                 goto out;
2717
2718         status = PFVF_STATUS_SUCCESS;
2719 out:
2720         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2721                              length, status);
2722 }
2723
2724 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2725                                void *p_tlvs_list, u16 req_type)
2726 {
2727         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2728         int len = 0;
2729
2730         do {
2731                 if (!p_tlv->length) {
2732                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2733                         return NULL;
2734                 }
2735
2736                 if (p_tlv->type == req_type) {
2737                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2738                                    "Extended tlv type %d, length %d found\n",
2739                                    p_tlv->type, p_tlv->length);
2740                         return p_tlv;
2741                 }
2742
2743                 len += p_tlv->length;
2744                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2745
2746                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2747                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2748                         return NULL;
2749                 }
2750         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2751
2752         return NULL;
2753 }
2754
2755 static void
2756 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2757                             struct qed_sp_vport_update_params *p_data,
2758                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2759 {
2760         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2761         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2762
2763         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2764                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2765         if (!p_act_tlv)
2766                 return;
2767
2768         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2769         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2770         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2771         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2772         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2773 }
2774
2775 static void
2776 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2777                              struct qed_sp_vport_update_params *p_data,
2778                              struct qed_vf_info *p_vf,
2779                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2780 {
2781         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2782         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2783
2784         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2785                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2786         if (!p_vlan_tlv)
2787                 return;
2788
2789         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2790
2791         /* Ignore the VF request if we're forcing a vlan */
2792         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2793                 p_data->update_inner_vlan_removal_flg = 1;
2794                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2795         }
2796
2797         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2798 }
2799
2800 static void
2801 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2802                             struct qed_sp_vport_update_params *p_data,
2803                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2804 {
2805         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2806         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2807
2808         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2809                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2810                                                    tlv);
2811         if (!p_tx_switch_tlv)
2812                 return;
2813
2814         p_data->update_tx_switching_flg = 1;
2815         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2816         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2817 }
2818
2819 static void
2820 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2821                                   struct qed_sp_vport_update_params *p_data,
2822                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2823 {
2824         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2825         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2826
2827         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2828             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2829         if (!p_mcast_tlv)
2830                 return;
2831
2832         p_data->update_approx_mcast_flg = 1;
2833         memcpy(p_data->bins, p_mcast_tlv->bins,
2834                sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2835         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2836 }
2837
2838 static void
2839 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2840                               struct qed_sp_vport_update_params *p_data,
2841                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2842 {
2843         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2844         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2845         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2846
2847         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2848             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2849         if (!p_accept_tlv)
2850                 return;
2851
2852         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2853         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2854         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2855         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2856         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2857 }
2858
2859 static void
2860 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2861                                   struct qed_sp_vport_update_params *p_data,
2862                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2863 {
2864         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2865         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2866
2867         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2868                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2869                                                      tlv);
2870         if (!p_accept_any_vlan)
2871                 return;
2872
2873         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2874         p_data->update_accept_any_vlan_flg =
2875                     p_accept_any_vlan->update_accept_any_vlan_flg;
2876         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2877 }
2878
2879 static void
2880 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2881                             struct qed_vf_info *vf,
2882                             struct qed_sp_vport_update_params *p_data,
2883                             struct qed_rss_params *p_rss,
2884                             struct qed_iov_vf_mbx *p_mbx,
2885                             u16 *tlvs_mask, u16 *tlvs_accepted)
2886 {
2887         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2888         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2889         bool b_reject = false;
2890         u16 table_size;
2891         u16 i, q_idx;
2892
2893         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2894                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2895         if (!p_rss_tlv) {
2896                 p_data->rss_params = NULL;
2897                 return;
2898         }
2899
2900         memset(p_rss, 0, sizeof(struct qed_rss_params));
2901
2902         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2903                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2904         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2905                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2906         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2907                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2908         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2909                                    VFPF_UPDATE_RSS_KEY_FLAG);
2910
2911         p_rss->rss_enable = p_rss_tlv->rss_enable;
2912         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2913         p_rss->rss_caps = p_rss_tlv->rss_caps;
2914         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2915         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2916
2917         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2918                            (1 << p_rss_tlv->rss_table_size_log));
2919
2920         for (i = 0; i < table_size; i++) {
2921                 struct qed_queue_cid *p_cid;
2922
2923                 q_idx = p_rss_tlv->rss_ind_table[i];
2924                 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2925                                           QED_IOV_VALIDATE_Q_ENABLE)) {
2926                         DP_VERBOSE(p_hwfn,
2927                                    QED_MSG_IOV,
2928                                    "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2929                                    vf->relative_vf_id, q_idx);
2930                         b_reject = true;
2931                         goto out;
2932                 }
2933
2934                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2935                 p_rss->rss_ind_table[i] = p_cid;
2936         }
2937
2938         p_data->rss_params = p_rss;
2939 out:
2940         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2941         if (!b_reject)
2942                 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2943 }
2944
2945 static void
2946 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2947                                 struct qed_vf_info *vf,
2948                                 struct qed_sp_vport_update_params *p_data,
2949                                 struct qed_sge_tpa_params *p_sge_tpa,
2950                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2951 {
2952         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2953         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2954
2955         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2956             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2957
2958         if (!p_sge_tpa_tlv) {
2959                 p_data->sge_tpa_params = NULL;
2960                 return;
2961         }
2962
2963         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2964
2965         p_sge_tpa->update_tpa_en_flg =
2966             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2967         p_sge_tpa->update_tpa_param_flg =
2968             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2969                 VFPF_UPDATE_TPA_PARAM_FLAG);
2970
2971         p_sge_tpa->tpa_ipv4_en_flg =
2972             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2973         p_sge_tpa->tpa_ipv6_en_flg =
2974             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2975         p_sge_tpa->tpa_pkt_split_flg =
2976             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2977         p_sge_tpa->tpa_hdr_data_split_flg =
2978             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2979         p_sge_tpa->tpa_gro_consistent_flg =
2980             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2981
2982         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2983         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2984         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2985         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2986         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2987
2988         p_data->sge_tpa_params = p_sge_tpa;
2989
2990         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2991 }
2992
2993 static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2994                                     u8 vfid,
2995                                     struct qed_sp_vport_update_params *params,
2996                                     u16 *tlvs)
2997 {
2998         u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2999         struct qed_filter_accept_flags *flags = &params->accept_flags;
3000         struct qed_public_vf_info *vf_info;
3001
3002         /* Untrusted VFs can't even be trusted to know that fact.
3003          * Simply indicate everything is configured fine, and trace
3004          * configuration 'behind their back'.
3005          */
3006         if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
3007                 return 0;
3008
3009         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3010
3011         if (flags->update_rx_mode_config) {
3012                 vf_info->rx_accept_mode = flags->rx_accept_filter;
3013                 if (!vf_info->is_trusted_configured)
3014                         flags->rx_accept_filter &= ~mask;
3015         }
3016
3017         if (flags->update_tx_mode_config) {
3018                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3019                 if (!vf_info->is_trusted_configured)
3020                         flags->tx_accept_filter &= ~mask;
3021         }
3022
3023         return 0;
3024 }
3025
3026 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3027                                         struct qed_ptt *p_ptt,
3028                                         struct qed_vf_info *vf)
3029 {
3030         struct qed_rss_params *p_rss_params = NULL;
3031         struct qed_sp_vport_update_params params;
3032         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3033         struct qed_sge_tpa_params sge_tpa_params;
3034         u16 tlvs_mask = 0, tlvs_accepted = 0;
3035         u8 status = PFVF_STATUS_SUCCESS;
3036         u16 length;
3037         int rc;
3038
3039         /* Valiate PF can send such a request */
3040         if (!vf->vport_instance) {
3041                 DP_VERBOSE(p_hwfn,
3042                            QED_MSG_IOV,
3043                            "No VPORT instance available for VF[%d], failing vport update\n",
3044                            vf->abs_vf_id);
3045                 status = PFVF_STATUS_FAILURE;
3046                 goto out;
3047         }
3048         p_rss_params = vzalloc(sizeof(*p_rss_params));
3049         if (p_rss_params == NULL) {
3050                 status = PFVF_STATUS_FAILURE;
3051                 goto out;
3052         }
3053
3054         memset(&params, 0, sizeof(params));
3055         params.opaque_fid = vf->opaque_fid;
3056         params.vport_id = vf->vport_id;
3057         params.rss_params = NULL;
3058
3059         /* Search for extended tlvs list and update values
3060          * from VF in struct qed_sp_vport_update_params.
3061          */
3062         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3063         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3064         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3065         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3066         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3067         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3068         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3069                                         &sge_tpa_params, mbx, &tlvs_mask);
3070
3071         tlvs_accepted = tlvs_mask;
3072
3073         /* Some of the extended TLVs need to be validated first; In that case,
3074          * they can update the mask without updating the accepted [so that
3075          * PF could communicate to VF it has rejected request].
3076          */
3077         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3078                                     mbx, &tlvs_mask, &tlvs_accepted);
3079
3080         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3081                                      &params, &tlvs_accepted)) {
3082                 tlvs_accepted = 0;
3083                 status = PFVF_STATUS_NOT_SUPPORTED;
3084                 goto out;
3085         }
3086
3087         if (!tlvs_accepted) {
3088                 if (tlvs_mask)
3089                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3090                                    "Upper-layer prevents VF vport configuration\n");
3091                 else
3092                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3093                                    "No feature tlvs found for vport update\n");
3094                 status = PFVF_STATUS_NOT_SUPPORTED;
3095                 goto out;
3096         }
3097
3098         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3099
3100         if (rc)
3101                 status = PFVF_STATUS_FAILURE;
3102
3103 out:
3104         vfree(p_rss_params);
3105         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3106                                                   tlvs_mask, tlvs_accepted);
3107         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3108 }
3109
3110 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3111                                          struct qed_vf_info *p_vf,
3112                                          struct qed_filter_ucast *p_params)
3113 {
3114         int i;
3115
3116         /* First remove entries and then add new ones */
3117         if (p_params->opcode == QED_FILTER_REMOVE) {
3118                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3119                         if (p_vf->shadow_config.vlans[i].used &&
3120                             p_vf->shadow_config.vlans[i].vid ==
3121                             p_params->vlan) {
3122                                 p_vf->shadow_config.vlans[i].used = false;
3123                                 break;
3124                         }
3125                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3126                         DP_VERBOSE(p_hwfn,
3127                                    QED_MSG_IOV,
3128                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3129                                    p_vf->relative_vf_id);
3130                         return -EINVAL;
3131                 }
3132         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3133                    p_params->opcode == QED_FILTER_FLUSH) {
3134                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3135                         p_vf->shadow_config.vlans[i].used = false;
3136         }
3137
3138         /* In forced mode, we're willing to remove entries - but we don't add
3139          * new ones.
3140          */
3141         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3142                 return 0;
3143
3144         if (p_params->opcode == QED_FILTER_ADD ||
3145             p_params->opcode == QED_FILTER_REPLACE) {
3146                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3147                         if (p_vf->shadow_config.vlans[i].used)
3148                                 continue;
3149
3150                         p_vf->shadow_config.vlans[i].used = true;
3151                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3152                         break;
3153                 }
3154
3155                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3156                         DP_VERBOSE(p_hwfn,
3157                                    QED_MSG_IOV,
3158                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3159                                    p_vf->relative_vf_id,
3160                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3161                         return -EINVAL;
3162                 }
3163         }
3164
3165         return 0;
3166 }
3167
3168 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3169                                         struct qed_vf_info *p_vf,
3170                                         struct qed_filter_ucast *p_params)
3171 {
3172         int i;
3173
3174         /* If we're in forced-mode, we don't allow any change */
3175         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3176                 return 0;
3177
3178         /* Don't keep track of shadow copy since we don't intend to restore. */
3179         if (p_vf->p_vf_info.is_trusted_configured)
3180                 return 0;
3181
3182         /* First remove entries and then add new ones */
3183         if (p_params->opcode == QED_FILTER_REMOVE) {
3184                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3185                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3186                                              p_params->mac)) {
3187                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3188                                 break;
3189                         }
3190                 }
3191
3192                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3193                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3194                                    "MAC isn't configured\n");
3195                         return -EINVAL;
3196                 }
3197         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3198                    p_params->opcode == QED_FILTER_FLUSH) {
3199                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3200                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3201         }
3202
3203         /* List the new MAC address */
3204         if (p_params->opcode != QED_FILTER_ADD &&
3205             p_params->opcode != QED_FILTER_REPLACE)
3206                 return 0;
3207
3208         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3209                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3210                         ether_addr_copy(p_vf->shadow_config.macs[i],
3211                                         p_params->mac);
3212                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3213                                    "Added MAC at %d entry in shadow\n", i);
3214                         break;
3215                 }
3216         }
3217
3218         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3219                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3220                 return -EINVAL;
3221         }
3222
3223         return 0;
3224 }
3225
3226 static int
3227 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3228                                  struct qed_vf_info *p_vf,
3229                                  struct qed_filter_ucast *p_params)
3230 {
3231         int rc = 0;
3232
3233         if (p_params->type == QED_FILTER_MAC) {
3234                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3235                 if (rc)
3236                         return rc;
3237         }
3238
3239         if (p_params->type == QED_FILTER_VLAN)
3240                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3241
3242         return rc;
3243 }
3244
3245 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3246                              int vfid, struct qed_filter_ucast *params)
3247 {
3248         struct qed_public_vf_info *vf;
3249
3250         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3251         if (!vf)
3252                 return -EINVAL;
3253
3254         /* No real decision to make; Store the configured MAC */
3255         if (params->type == QED_FILTER_MAC ||
3256             params->type == QED_FILTER_MAC_VLAN) {
3257                 ether_addr_copy(vf->mac, params->mac);
3258
3259                 if (vf->is_trusted_configured) {
3260                         qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3261
3262                         /* Update and post bulleitin again */
3263                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3264                 }
3265         }
3266
3267         return 0;
3268 }
3269
3270 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3271                                         struct qed_ptt *p_ptt,
3272                                         struct qed_vf_info *vf)
3273 {
3274         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3275         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3276         struct vfpf_ucast_filter_tlv *req;
3277         u8 status = PFVF_STATUS_SUCCESS;
3278         struct qed_filter_ucast params;
3279         int rc;
3280
3281         /* Prepare the unicast filter params */
3282         memset(&params, 0, sizeof(struct qed_filter_ucast));
3283         req = &mbx->req_virt->ucast_filter;
3284         params.opcode = (enum qed_filter_opcode)req->opcode;
3285         params.type = (enum qed_filter_ucast_type)req->type;
3286
3287         params.is_rx_filter = 1;
3288         params.is_tx_filter = 1;
3289         params.vport_to_remove_from = vf->vport_id;
3290         params.vport_to_add_to = vf->vport_id;
3291         memcpy(params.mac, req->mac, ETH_ALEN);
3292         params.vlan = req->vlan;
3293
3294         DP_VERBOSE(p_hwfn,
3295                    QED_MSG_IOV,
3296                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3297                    vf->abs_vf_id, params.opcode, params.type,
3298                    params.is_rx_filter ? "RX" : "",
3299                    params.is_tx_filter ? "TX" : "",
3300                    params.vport_to_add_to,
3301                    params.mac[0], params.mac[1],
3302                    params.mac[2], params.mac[3],
3303                    params.mac[4], params.mac[5], params.vlan);
3304
3305         if (!vf->vport_instance) {
3306                 DP_VERBOSE(p_hwfn,
3307                            QED_MSG_IOV,
3308                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3309                            vf->abs_vf_id);
3310                 status = PFVF_STATUS_FAILURE;
3311                 goto out;
3312         }
3313
3314         /* Update shadow copy of the VF configuration */
3315         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3316                 status = PFVF_STATUS_FAILURE;
3317                 goto out;
3318         }
3319
3320         /* Determine if the unicast filtering is acceptible by PF */
3321         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3322             (params.type == QED_FILTER_VLAN ||
3323              params.type == QED_FILTER_MAC_VLAN)) {
3324                 /* Once VLAN is forced or PVID is set, do not allow
3325                  * to add/replace any further VLANs.
3326                  */
3327                 if (params.opcode == QED_FILTER_ADD ||
3328                     params.opcode == QED_FILTER_REPLACE)
3329                         status = PFVF_STATUS_FORCED;
3330                 goto out;
3331         }
3332
3333         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3334             (params.type == QED_FILTER_MAC ||
3335              params.type == QED_FILTER_MAC_VLAN)) {
3336                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3337                     (params.opcode != QED_FILTER_ADD &&
3338                      params.opcode != QED_FILTER_REPLACE))
3339                         status = PFVF_STATUS_FORCED;
3340                 goto out;
3341         }
3342
3343         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3344         if (rc) {
3345                 status = PFVF_STATUS_FAILURE;
3346                 goto out;
3347         }
3348
3349         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3350                                      QED_SPQ_MODE_CB, NULL);
3351         if (rc)
3352                 status = PFVF_STATUS_FAILURE;
3353
3354 out:
3355         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3356                              sizeof(struct pfvf_def_resp_tlv), status);
3357 }
3358
3359 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3360                                        struct qed_ptt *p_ptt,
3361                                        struct qed_vf_info *vf)
3362 {
3363         int i;
3364
3365         /* Reset the SBs */
3366         for (i = 0; i < vf->num_sbs; i++)
3367                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3368                                                 vf->igu_sbs[i],
3369                                                 vf->opaque_fid, false);
3370
3371         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3372                              sizeof(struct pfvf_def_resp_tlv),
3373                              PFVF_STATUS_SUCCESS);
3374 }
3375
3376 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3377                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3378 {
3379         u16 length = sizeof(struct pfvf_def_resp_tlv);
3380         u8 status = PFVF_STATUS_SUCCESS;
3381
3382         /* Disable Interrupts for VF */
3383         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3384
3385         /* Reset Permission table */
3386         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3387
3388         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3389                              length, status);
3390 }
3391
3392 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3393                                    struct qed_ptt *p_ptt,
3394                                    struct qed_vf_info *p_vf)
3395 {
3396         u16 length = sizeof(struct pfvf_def_resp_tlv);
3397         u8 status = PFVF_STATUS_SUCCESS;
3398         int rc = 0;
3399
3400         qed_iov_vf_cleanup(p_hwfn, p_vf);
3401
3402         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3403                 /* Stopping the VF */
3404                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3405                                     p_vf->opaque_fid);
3406
3407                 if (rc) {
3408                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3409                                rc);
3410                         status = PFVF_STATUS_FAILURE;
3411                 }
3412
3413                 p_vf->state = VF_STOPPED;
3414         }
3415
3416         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3417                              length, status);
3418 }
3419
3420 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3421                                        struct qed_ptt *p_ptt,
3422                                        struct qed_vf_info *p_vf)
3423 {
3424         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3425         struct pfvf_read_coal_resp_tlv *p_resp;
3426         struct vfpf_read_coal_req_tlv *req;
3427         u8 status = PFVF_STATUS_FAILURE;
3428         struct qed_vf_queue *p_queue;
3429         struct qed_queue_cid *p_cid;
3430         u16 coal = 0, qid, i;
3431         bool b_is_rx;
3432         int rc = 0;
3433
3434         mbx->offset = (u8 *)mbx->reply_virt;
3435         req = &mbx->req_virt->read_coal_req;
3436
3437         qid = req->qid;
3438         b_is_rx = req->is_rx ? true : false;
3439
3440         if (b_is_rx) {
3441                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3442                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3443                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3444                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3445                                    p_vf->abs_vf_id, qid);
3446                         goto send_resp;
3447                 }
3448
3449                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3450                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3451                 if (rc)
3452                         goto send_resp;
3453         } else {
3454                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3455                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3456                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3457                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3458                                    p_vf->abs_vf_id, qid);
3459                         goto send_resp;
3460                 }
3461                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3462                         p_queue = &p_vf->vf_queues[qid];
3463                         if ((!p_queue->cids[i].p_cid) ||
3464                             (!p_queue->cids[i].b_is_tx))
3465                                 continue;
3466
3467                         p_cid = p_queue->cids[i].p_cid;
3468
3469                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3470                         if (rc)
3471                                 goto send_resp;
3472                         break;
3473                 }
3474         }
3475
3476         status = PFVF_STATUS_SUCCESS;
3477
3478 send_resp:
3479         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3480                              sizeof(*p_resp));
3481         p_resp->coal = coal;
3482
3483         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3484                     sizeof(struct channel_list_end_tlv));
3485
3486         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3487 }
3488
3489 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3490                                        struct qed_ptt *p_ptt,
3491                                        struct qed_vf_info *vf)
3492 {
3493         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3494         struct vfpf_update_coalesce *req;
3495         u8 status = PFVF_STATUS_FAILURE;
3496         struct qed_queue_cid *p_cid;
3497         u16 rx_coal, tx_coal;
3498         int rc = 0, i;
3499         u16 qid;
3500
3501         req = &mbx->req_virt->update_coalesce;
3502
3503         rx_coal = req->rx_coal;
3504         tx_coal = req->tx_coal;
3505         qid = req->qid;
3506
3507         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3508                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3509                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3510                            "VF[%d]: Invalid Rx queue_id = %d\n",
3511                            vf->abs_vf_id, qid);
3512                 goto out;
3513         }
3514
3515         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3516                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3517                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3518                            "VF[%d]: Invalid Tx queue_id = %d\n",
3519                            vf->abs_vf_id, qid);
3520                 goto out;
3521         }
3522
3523         DP_VERBOSE(p_hwfn,
3524                    QED_MSG_IOV,
3525                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3526                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3527
3528         if (rx_coal) {
3529                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3530
3531                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3532                 if (rc) {
3533                         DP_VERBOSE(p_hwfn,
3534                                    QED_MSG_IOV,
3535                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3536                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3537                         goto out;
3538                 }
3539                 vf->rx_coal = rx_coal;
3540         }
3541
3542         if (tx_coal) {
3543                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3544
3545                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3546                         if (!p_queue->cids[i].p_cid)
3547                                 continue;
3548
3549                         if (!p_queue->cids[i].b_is_tx)
3550                                 continue;
3551
3552                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3553                                                   p_queue->cids[i].p_cid);
3554
3555                         if (rc) {
3556                                 DP_VERBOSE(p_hwfn,
3557                                            QED_MSG_IOV,
3558                                            "VF[%d]: Unable to set tx queue coalesce\n",
3559                                            vf->abs_vf_id);
3560                                 goto out;
3561                         }
3562                 }
3563                 vf->tx_coal = tx_coal;
3564         }
3565
3566         status = PFVF_STATUS_SUCCESS;
3567 out:
3568         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3569                              sizeof(struct pfvf_def_resp_tlv), status);
3570 }
3571 static int
3572 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3573                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3574 {
3575         int cnt;
3576         u32 val;
3577
3578         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3579
3580         for (cnt = 0; cnt < 50; cnt++) {
3581                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3582                 if (!val)
3583                         break;
3584                 msleep(20);
3585         }
3586         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3587
3588         if (cnt == 50) {
3589                 DP_ERR(p_hwfn,
3590                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3591                        p_vf->abs_vf_id, val);
3592                 return -EBUSY;
3593         }
3594
3595         return 0;
3596 }
3597
3598 static int
3599 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3600                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3601 {
3602         u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3603         int i, cnt;
3604
3605         /* Read initial consumers & producers */
3606         for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3607                 u32 prod;
3608
3609                 cons[i] = qed_rd(p_hwfn, p_ptt,
3610                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3611                                  i * 0x40);
3612                 prod = qed_rd(p_hwfn, p_ptt,
3613                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3614                               i * 0x40);
3615                 distance[i] = prod - cons[i];
3616         }
3617
3618         /* Wait for consumers to pass the producers */
3619         i = 0;
3620         for (cnt = 0; cnt < 50; cnt++) {
3621                 for (; i < MAX_NUM_VOQS_E4; i++) {
3622                         u32 tmp;
3623
3624                         tmp = qed_rd(p_hwfn, p_ptt,
3625                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3626                                      i * 0x40);
3627                         if (distance[i] > tmp - cons[i])
3628                                 break;
3629                 }
3630
3631                 if (i == MAX_NUM_VOQS_E4)
3632                         break;
3633
3634                 msleep(20);
3635         }
3636
3637         if (cnt == 50) {
3638                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3639                        p_vf->abs_vf_id, i);
3640                 return -EBUSY;
3641         }
3642
3643         return 0;
3644 }
3645
3646 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3647                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3648 {
3649         int rc;
3650
3651         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3652         if (rc)
3653                 return rc;
3654
3655         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3656         if (rc)
3657                 return rc;
3658
3659         return 0;
3660 }
3661
3662 static int
3663 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3664                                struct qed_ptt *p_ptt,
3665                                u16 rel_vf_id, u32 *ack_vfs)
3666 {
3667         struct qed_vf_info *p_vf;
3668         int rc = 0;
3669
3670         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3671         if (!p_vf)
3672                 return 0;
3673
3674         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3675             (1ULL << (rel_vf_id % 64))) {
3676                 u16 vfid = p_vf->abs_vf_id;
3677
3678                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3679                            "VF[%d] - Handling FLR\n", vfid);
3680
3681                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3682
3683                 /* If VF isn't active, no need for anything but SW */
3684                 if (!p_vf->b_init)
3685                         goto cleanup;
3686
3687                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3688                 if (rc)
3689                         goto cleanup;
3690
3691                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3692                 if (rc) {
3693                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3694                         return rc;
3695                 }
3696
3697                 /* Workaround to make VF-PF channel ready, as FW
3698                  * doesn't do that as a part of FLR.
3699                  */
3700                 REG_WR(p_hwfn,
3701                        GTT_BAR0_MAP_REG_USDM_RAM +
3702                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3703
3704                 /* VF_STOPPED has to be set only after final cleanup
3705                  * but prior to re-enabling the VF.
3706                  */
3707                 p_vf->state = VF_STOPPED;
3708
3709                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3710                 if (rc) {
3711                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3712                                vfid);
3713                         return rc;
3714                 }
3715 cleanup:
3716                 /* Mark VF for ack and clean pending state */
3717                 if (p_vf->state == VF_RESET)
3718                         p_vf->state = VF_STOPPED;
3719                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3720                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3721                     ~(1ULL << (rel_vf_id % 64));
3722                 p_vf->vf_mbx.b_pending_msg = false;
3723         }
3724
3725         return rc;
3726 }
3727
3728 static int
3729 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3730 {
3731         u32 ack_vfs[VF_MAX_STATIC / 32];
3732         int rc = 0;
3733         u16 i;
3734
3735         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3736
3737         /* Since BRB <-> PRS interface can't be tested as part of the flr
3738          * polling due to HW limitations, simply sleep a bit. And since
3739          * there's no need to wait per-vf, do it before looping.
3740          */
3741         msleep(100);
3742
3743         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3744                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3745
3746         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3747         return rc;
3748 }
3749
3750 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3751 {
3752         bool found = false;
3753         u16 i;
3754
3755         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3756         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3757                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3758                            "[%08x,...,%08x]: %08x\n",
3759                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3760
3761         if (!p_hwfn->cdev->p_iov_info) {
3762                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3763                 return false;
3764         }
3765
3766         /* Mark VFs */
3767         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3768                 struct qed_vf_info *p_vf;
3769                 u8 vfid;
3770
3771                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3772                 if (!p_vf)
3773                         continue;
3774
3775                 vfid = p_vf->abs_vf_id;
3776                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3777                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3778                         u16 rel_vf_id = p_vf->relative_vf_id;
3779
3780                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3781                                    "VF[%d] [rel %d] got FLR-ed\n",
3782                                    vfid, rel_vf_id);
3783
3784                         p_vf->state = VF_RESET;
3785
3786                         /* No need to lock here, since pending_flr should
3787                          * only change here and before ACKing MFw. Since
3788                          * MFW will not trigger an additional attention for
3789                          * VF flr until ACKs, we're safe.
3790                          */
3791                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3792                         found = true;
3793                 }
3794         }
3795
3796         return found;
3797 }
3798
3799 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3800                              u16 vfid,
3801                              struct qed_mcp_link_params *p_params,
3802                              struct qed_mcp_link_state *p_link,
3803                              struct qed_mcp_link_capabilities *p_caps)
3804 {
3805         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3806                                                        vfid,
3807                                                        false);
3808         struct qed_bulletin_content *p_bulletin;
3809
3810         if (!p_vf)
3811                 return;
3812
3813         p_bulletin = p_vf->bulletin.p_virt;
3814
3815         if (p_params)
3816                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3817         if (p_link)
3818                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3819         if (p_caps)
3820                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3821 }
3822
3823 static int
3824 qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3825                                   struct qed_ptt *p_ptt,
3826                                   struct qed_vf_info *p_vf)
3827 {
3828         struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3829         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3830         struct vfpf_bulletin_update_mac_tlv *p_req;
3831         u8 status = PFVF_STATUS_SUCCESS;
3832         int rc = 0;
3833
3834         if (!p_vf->p_vf_info.is_trusted_configured) {
3835                 DP_VERBOSE(p_hwfn,
3836                            QED_MSG_IOV,
3837                            "Blocking bulletin update request from untrusted VF[%d]\n",
3838                            p_vf->abs_vf_id);
3839                 status = PFVF_STATUS_NOT_SUPPORTED;
3840                 rc = -EINVAL;
3841                 goto send_status;
3842         }
3843
3844         p_req = &mbx->req_virt->bulletin_update_mac;
3845         ether_addr_copy(p_bulletin->mac, p_req->mac);
3846         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3847                    "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3848                    p_vf->abs_vf_id, p_req->mac);
3849
3850 send_status:
3851         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3852                              CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3853                              sizeof(struct pfvf_def_resp_tlv), status);
3854         return rc;
3855 }
3856
3857 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3858                                     struct qed_ptt *p_ptt, int vfid)
3859 {
3860         struct qed_iov_vf_mbx *mbx;
3861         struct qed_vf_info *p_vf;
3862
3863         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3864         if (!p_vf)
3865                 return;
3866
3867         mbx = &p_vf->vf_mbx;
3868
3869         /* qed_iov_process_mbx_request */
3870         if (!mbx->b_pending_msg) {
3871                 DP_NOTICE(p_hwfn,
3872                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3873                           p_vf->abs_vf_id);
3874                 return;
3875         }
3876         mbx->b_pending_msg = false;
3877
3878         mbx->first_tlv = mbx->req_virt->first_tlv;
3879
3880         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3881                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3882                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3883
3884         /* check if tlv type is known */
3885         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3886             !p_vf->b_malicious) {
3887                 switch (mbx->first_tlv.tl.type) {
3888                 case CHANNEL_TLV_ACQUIRE:
3889                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3890                         break;
3891                 case CHANNEL_TLV_VPORT_START:
3892                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3893                         break;
3894                 case CHANNEL_TLV_VPORT_TEARDOWN:
3895                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3896                         break;
3897                 case CHANNEL_TLV_START_RXQ:
3898                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3899                         break;
3900                 case CHANNEL_TLV_START_TXQ:
3901                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3902                         break;
3903                 case CHANNEL_TLV_STOP_RXQS:
3904                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3905                         break;
3906                 case CHANNEL_TLV_STOP_TXQS:
3907                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3908                         break;
3909                 case CHANNEL_TLV_UPDATE_RXQ:
3910                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3911                         break;
3912                 case CHANNEL_TLV_VPORT_UPDATE:
3913                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3914                         break;
3915                 case CHANNEL_TLV_UCAST_FILTER:
3916                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3917                         break;
3918                 case CHANNEL_TLV_CLOSE:
3919                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3920                         break;
3921                 case CHANNEL_TLV_INT_CLEANUP:
3922                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3923                         break;
3924                 case CHANNEL_TLV_RELEASE:
3925                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3926                         break;
3927                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3928                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3929                         break;
3930                 case CHANNEL_TLV_COALESCE_UPDATE:
3931                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3932                         break;
3933                 case CHANNEL_TLV_COALESCE_READ:
3934                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3935                         break;
3936                 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3937                         qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3938                         break;
3939                 }
3940         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3941                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3942                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3943                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3944
3945                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3946                                      mbx->first_tlv.tl.type,
3947                                      sizeof(struct pfvf_def_resp_tlv),
3948                                      PFVF_STATUS_MALICIOUS);
3949         } else {
3950                 /* unknown TLV - this may belong to a VF driver from the future
3951                  * - a version written after this PF driver was written, which
3952                  * supports features unknown as of yet. Too bad since we don't
3953                  * support them. Or this may be because someone wrote a crappy
3954                  * VF driver and is sending garbage over the channel.
3955                  */
3956                 DP_NOTICE(p_hwfn,
3957                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3958                           p_vf->abs_vf_id,
3959                           mbx->first_tlv.tl.type,
3960                           mbx->first_tlv.tl.length,
3961                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3962
3963                 /* Try replying in case reply address matches the acquisition's
3964                  * posted address.
3965                  */
3966                 if (p_vf->acquire.first_tlv.reply_address &&
3967                     (mbx->first_tlv.reply_address ==
3968                      p_vf->acquire.first_tlv.reply_address)) {
3969                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3970                                              mbx->first_tlv.tl.type,
3971                                              sizeof(struct pfvf_def_resp_tlv),
3972                                              PFVF_STATUS_NOT_SUPPORTED);
3973                 } else {
3974                         DP_VERBOSE(p_hwfn,
3975                                    QED_MSG_IOV,
3976                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3977                                    p_vf->abs_vf_id);
3978                 }
3979         }
3980 }
3981
3982 void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3983 {
3984         int i;
3985
3986         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3987
3988         qed_for_each_vf(p_hwfn, i) {
3989                 struct qed_vf_info *p_vf;
3990
3991                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3992                 if (p_vf->vf_mbx.b_pending_msg)
3993                         events[i / 64] |= 1ULL << (i % 64);
3994         }
3995 }
3996
3997 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3998                                                        u16 abs_vfid)
3999 {
4000         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
4001
4002         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
4003                 DP_VERBOSE(p_hwfn,
4004                            QED_MSG_IOV,
4005                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
4006                            abs_vfid);
4007                 return NULL;
4008         }
4009
4010         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
4011 }
4012
4013 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
4014                               u16 abs_vfid, struct regpair *vf_msg)
4015 {
4016         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
4017                            abs_vfid);
4018
4019         if (!p_vf)
4020                 return 0;
4021
4022         /* List the physical address of the request so that handler
4023          * could later on copy the message from it.
4024          */
4025         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
4026
4027         /* Mark the event and schedule the workqueue */
4028         p_vf->vf_mbx.b_pending_msg = true;
4029         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4030
4031         return 0;
4032 }
4033
4034 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4035                                      struct malicious_vf_eqe_data *p_data)
4036 {
4037         struct qed_vf_info *p_vf;
4038
4039         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4040
4041         if (!p_vf)
4042                 return;
4043
4044         if (!p_vf->b_malicious) {
4045                 DP_NOTICE(p_hwfn,
4046                           "VF [%d] - Malicious behavior [%02x]\n",
4047                           p_vf->abs_vf_id, p_data->err_id);
4048
4049                 p_vf->b_malicious = true;
4050         } else {
4051                 DP_INFO(p_hwfn,
4052                         "VF [%d] - Malicious behavior [%02x]\n",
4053                         p_vf->abs_vf_id, p_data->err_id);
4054         }
4055 }
4056
4057 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4058                                u8 opcode,
4059                                __le16 echo,
4060                                union event_ring_data *data, u8 fw_return_code)
4061 {
4062         switch (opcode) {
4063         case COMMON_EVENT_VF_PF_CHANNEL:
4064                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4065                                           &data->vf_pf_channel.msg_addr);
4066         case COMMON_EVENT_MALICIOUS_VF:
4067                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4068                 return 0;
4069         default:
4070                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4071                         opcode);
4072                 return -EINVAL;
4073         }
4074 }
4075
4076 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4077 {
4078         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4079         u16 i;
4080
4081         if (!p_iov)
4082                 goto out;
4083
4084         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4085                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4086                         return i;
4087
4088 out:
4089         return MAX_NUM_VFS;
4090 }
4091
4092 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4093                                int vfid)
4094 {
4095         struct qed_dmae_params params;
4096         struct qed_vf_info *vf_info;
4097
4098         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4099         if (!vf_info)
4100                 return -EINVAL;
4101
4102         memset(&params, 0, sizeof(struct qed_dmae_params));
4103         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
4104         params.src_vfid = vf_info->abs_vf_id;
4105
4106         if (qed_dmae_host2host(p_hwfn, ptt,
4107                                vf_info->vf_mbx.pending_req,
4108                                vf_info->vf_mbx.req_phys,
4109                                sizeof(union vfpf_tlvs) / 4, &params)) {
4110                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4111                            "Failed to copy message from VF 0x%02x\n", vfid);
4112
4113                 return -EIO;
4114         }
4115
4116         return 0;
4117 }
4118
4119 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4120                                             u8 *mac, int vfid)
4121 {
4122         struct qed_vf_info *vf_info;
4123         u64 feature;
4124
4125         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4126         if (!vf_info) {
4127                 DP_NOTICE(p_hwfn->cdev,
4128                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4129                 return;
4130         }
4131
4132         if (vf_info->b_malicious) {
4133                 DP_NOTICE(p_hwfn->cdev,
4134                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4135                 return;
4136         }
4137
4138         if (vf_info->p_vf_info.is_trusted_configured) {
4139                 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4140                 /* Trust mode will disable Forced MAC */
4141                 vf_info->bulletin.p_virt->valid_bitmap &=
4142                         ~BIT(MAC_ADDR_FORCED);
4143         } else {
4144                 feature = BIT(MAC_ADDR_FORCED);
4145                 /* Forced MAC will disable MAC_ADDR */
4146                 vf_info->bulletin.p_virt->valid_bitmap &=
4147                         ~BIT(VFPF_BULLETIN_MAC_ADDR);
4148         }
4149
4150         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4151
4152         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4153
4154         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4155 }
4156
4157 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4158 {
4159         struct qed_vf_info *vf_info;
4160         u64 feature;
4161
4162         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4163         if (!vf_info) {
4164                 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4165                           vfid);
4166                 return -EINVAL;
4167         }
4168
4169         if (vf_info->b_malicious) {
4170                 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4171                           vfid);
4172                 return -EINVAL;
4173         }
4174
4175         if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4176                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4177                            "Can not set MAC, Forced MAC is configured\n");
4178                 return -EINVAL;
4179         }
4180
4181         feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4182         ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4183
4184         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4185
4186         if (vf_info->p_vf_info.is_trusted_configured)
4187                 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4188
4189         return 0;
4190 }
4191
4192 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4193                                              u16 pvid, int vfid)
4194 {
4195         struct qed_vf_info *vf_info;
4196         u64 feature;
4197
4198         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4199         if (!vf_info) {
4200                 DP_NOTICE(p_hwfn->cdev,
4201                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4202                 return;
4203         }
4204
4205         if (vf_info->b_malicious) {
4206                 DP_NOTICE(p_hwfn->cdev,
4207                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4208                 return;
4209         }
4210
4211         feature = 1 << VLAN_ADDR_FORCED;
4212         vf_info->bulletin.p_virt->pvid = pvid;
4213         if (pvid)
4214                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4215         else
4216                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4217
4218         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4219 }
4220
4221 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4222                                     int vfid, u16 vxlan_port, u16 geneve_port)
4223 {
4224         struct qed_vf_info *vf_info;
4225
4226         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4227         if (!vf_info) {
4228                 DP_NOTICE(p_hwfn->cdev,
4229                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4230                 return;
4231         }
4232
4233         if (vf_info->b_malicious) {
4234                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4235                            "Can not set udp ports to malicious VF [%d]\n",
4236                            vfid);
4237                 return;
4238         }
4239
4240         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4241         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4242 }
4243
4244 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4245 {
4246         struct qed_vf_info *p_vf_info;
4247
4248         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4249         if (!p_vf_info)
4250                 return false;
4251
4252         return !!p_vf_info->vport_instance;
4253 }
4254
4255 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4256 {
4257         struct qed_vf_info *p_vf_info;
4258
4259         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4260         if (!p_vf_info)
4261                 return true;
4262
4263         return p_vf_info->state == VF_STOPPED;
4264 }
4265
4266 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4267 {
4268         struct qed_vf_info *vf_info;
4269
4270         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4271         if (!vf_info)
4272                 return false;
4273
4274         return vf_info->spoof_chk;
4275 }
4276
4277 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4278 {
4279         struct qed_vf_info *vf;
4280         int rc = -EINVAL;
4281
4282         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4283                 DP_NOTICE(p_hwfn,
4284                           "SR-IOV sanity check failed, can't set spoofchk\n");
4285                 goto out;
4286         }
4287
4288         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4289         if (!vf)
4290                 goto out;
4291
4292         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4293                 /* After VF VPORT start PF will configure spoof check */
4294                 vf->req_spoofchk_val = val;
4295                 rc = 0;
4296                 goto out;
4297         }
4298
4299         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4300
4301 out:
4302         return rc;
4303 }
4304
4305 static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4306 {
4307         struct qed_vf_info *p_vf;
4308
4309         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4310         if (!p_vf || !p_vf->bulletin.p_virt)
4311                 return NULL;
4312
4313         if (!(p_vf->bulletin.p_virt->valid_bitmap &
4314               BIT(VFPF_BULLETIN_MAC_ADDR)))
4315                 return NULL;
4316
4317         return p_vf->bulletin.p_virt->mac;
4318 }
4319
4320 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4321                                            u16 rel_vf_id)
4322 {
4323         struct qed_vf_info *p_vf;
4324
4325         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4326         if (!p_vf || !p_vf->bulletin.p_virt)
4327                 return NULL;
4328
4329         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4330                 return NULL;
4331
4332         return p_vf->bulletin.p_virt->mac;
4333 }
4334
4335 static u16
4336 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4337 {
4338         struct qed_vf_info *p_vf;
4339
4340         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4341         if (!p_vf || !p_vf->bulletin.p_virt)
4342                 return 0;
4343
4344         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4345                 return 0;
4346
4347         return p_vf->bulletin.p_virt->pvid;
4348 }
4349
4350 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4351                                      struct qed_ptt *p_ptt, int vfid, int val)
4352 {
4353         struct qed_mcp_link_state *p_link;
4354         struct qed_vf_info *vf;
4355         u8 abs_vp_id = 0;
4356         int rc;
4357
4358         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4359         if (!vf)
4360                 return -EINVAL;
4361
4362         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4363         if (rc)
4364                 return rc;
4365
4366         p_link = &QED_LEADING_HWFN(p_hwfn->cdev)->mcp_info->link_output;
4367
4368         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val,
4369                                  p_link->speed);
4370 }
4371
4372 static int
4373 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4374 {
4375         struct qed_vf_info *vf;
4376         u8 vport_id;
4377         int i;
4378
4379         for_each_hwfn(cdev, i) {
4380                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4381
4382                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4383                         DP_NOTICE(p_hwfn,
4384                                   "SR-IOV sanity check failed, can't set min rate\n");
4385                         return -EINVAL;
4386                 }
4387         }
4388
4389         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4390         vport_id = vf->vport_id;
4391
4392         return qed_configure_vport_wfq(cdev, vport_id, rate);
4393 }
4394
4395 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4396 {
4397         struct qed_wfq_data *vf_vp_wfq;
4398         struct qed_vf_info *vf_info;
4399
4400         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4401         if (!vf_info)
4402                 return 0;
4403
4404         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4405
4406         if (vf_vp_wfq->configured)
4407                 return vf_vp_wfq->min_speed;
4408         else
4409                 return 0;
4410 }
4411
4412 /**
4413  * qed_schedule_iov - schedules IOV task for VF and PF
4414  * @hwfn: hardware function pointer
4415  * @flag: IOV flag for VF/PF
4416  */
4417 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4418 {
4419         smp_mb__before_atomic();
4420         set_bit(flag, &hwfn->iov_task_flags);
4421         smp_mb__after_atomic();
4422         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4423         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4424 }
4425
4426 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4427 {
4428         int i;
4429
4430         for_each_hwfn(cdev, i)
4431             queue_delayed_work(cdev->hwfns[i].iov_wq,
4432                                &cdev->hwfns[i].iov_task, 0);
4433 }
4434
4435 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4436 {
4437         int i, j;
4438
4439         for_each_hwfn(cdev, i)
4440             if (cdev->hwfns[i].iov_wq)
4441                 flush_workqueue(cdev->hwfns[i].iov_wq);
4442
4443         /* Mark VFs for disablement */
4444         qed_iov_set_vfs_to_disable(cdev, true);
4445
4446         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4447                 pci_disable_sriov(cdev->pdev);
4448
4449         for_each_hwfn(cdev, i) {
4450                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4451                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4452
4453                 /* Failure to acquire the ptt in 100g creates an odd error
4454                  * where the first engine has already relased IOV.
4455                  */
4456                 if (!ptt) {
4457                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4458                         return -EBUSY;
4459                 }
4460
4461                 /* Clean WFQ db and configure equal weight for all vports */
4462                 qed_clean_wfq_db(hwfn, ptt);
4463
4464                 qed_for_each_vf(hwfn, j) {
4465                         int k;
4466
4467                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4468                                 continue;
4469
4470                         /* Wait until VF is disabled before releasing */
4471                         for (k = 0; k < 100; k++) {
4472                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4473                                         msleep(20);
4474                                 else
4475                                         break;
4476                         }
4477
4478                         if (k < 100)
4479                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4480                                                           ptt, j);
4481                         else
4482                                 DP_ERR(hwfn,
4483                                        "Timeout waiting for VF's FLR to end\n");
4484                 }
4485
4486                 qed_ptt_release(hwfn, ptt);
4487         }
4488
4489         qed_iov_set_vfs_to_disable(cdev, false);
4490
4491         return 0;
4492 }
4493
4494 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4495                                         u16 vfid,
4496                                         struct qed_iov_vf_init_params *params)
4497 {
4498         u16 base, i;
4499
4500         /* Since we have an equal resource distribution per-VF, and we assume
4501          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4502          * sequentially from there.
4503          */
4504         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4505
4506         params->rel_vf_id = vfid;
4507         for (i = 0; i < params->num_queues; i++) {
4508                 params->req_rx_queue[i] = base + i;
4509                 params->req_tx_queue[i] = base + i;
4510         }
4511 }
4512
4513 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4514 {
4515         struct qed_iov_vf_init_params params;
4516         struct qed_hwfn *hwfn;
4517         struct qed_ptt *ptt;
4518         int i, j, rc;
4519
4520         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4521                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4522                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4523                 return -EINVAL;
4524         }
4525
4526         memset(&params, 0, sizeof(params));
4527
4528         /* Initialize HW for VF access */
4529         for_each_hwfn(cdev, j) {
4530                 hwfn = &cdev->hwfns[j];
4531                 ptt = qed_ptt_acquire(hwfn);
4532
4533                 /* Make sure not to use more than 16 queues per VF */
4534                 params.num_queues = min_t(int,
4535                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4536                                           16);
4537
4538                 if (!ptt) {
4539                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4540                         rc = -EBUSY;
4541                         goto err;
4542                 }
4543
4544                 for (i = 0; i < num; i++) {
4545                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4546                                 continue;
4547
4548                         qed_sriov_enable_qid_config(hwfn, i, &params);
4549                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4550                         if (rc) {
4551                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4552                                 qed_ptt_release(hwfn, ptt);
4553                                 goto err;
4554                         }
4555                 }
4556
4557                 qed_ptt_release(hwfn, ptt);
4558         }
4559
4560         /* Enable SRIOV PCIe functions */
4561         rc = pci_enable_sriov(cdev->pdev, num);
4562         if (rc) {
4563                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4564                 goto err;
4565         }
4566
4567         hwfn = QED_LEADING_HWFN(cdev);
4568         ptt = qed_ptt_acquire(hwfn);
4569         if (!ptt) {
4570                 DP_ERR(hwfn, "Failed to acquire ptt\n");
4571                 rc = -EBUSY;
4572                 goto err;
4573         }
4574
4575         rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4576         if (rc)
4577                 DP_INFO(cdev, "Failed to update eswitch mode\n");
4578         qed_ptt_release(hwfn, ptt);
4579
4580         return num;
4581
4582 err:
4583         qed_sriov_disable(cdev, false);
4584         return rc;
4585 }
4586
4587 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4588 {
4589         if (!IS_QED_SRIOV(cdev)) {
4590                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4591                 return -EOPNOTSUPP;
4592         }
4593
4594         if (num_vfs_param)
4595                 return qed_sriov_enable(cdev, num_vfs_param);
4596         else
4597                 return qed_sriov_disable(cdev, true);
4598 }
4599
4600 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4601 {
4602         int i;
4603
4604         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4605                 DP_VERBOSE(cdev, QED_MSG_IOV,
4606                            "Cannot set a VF MAC; Sriov is not enabled\n");
4607                 return -EINVAL;
4608         }
4609
4610         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4611                 DP_VERBOSE(cdev, QED_MSG_IOV,
4612                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4613                 return -EINVAL;
4614         }
4615
4616         for_each_hwfn(cdev, i) {
4617                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4618                 struct qed_public_vf_info *vf_info;
4619
4620                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4621                 if (!vf_info)
4622                         continue;
4623
4624                 /* Set the MAC, and schedule the IOV task */
4625                 if (vf_info->is_trusted_configured)
4626                         ether_addr_copy(vf_info->mac, mac);
4627                 else
4628                         ether_addr_copy(vf_info->forced_mac, mac);
4629
4630                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4631         }
4632
4633         return 0;
4634 }
4635
4636 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4637 {
4638         int i;
4639
4640         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4641                 DP_VERBOSE(cdev, QED_MSG_IOV,
4642                            "Cannot set a VF MAC; Sriov is not enabled\n");
4643                 return -EINVAL;
4644         }
4645
4646         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4647                 DP_VERBOSE(cdev, QED_MSG_IOV,
4648                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4649                 return -EINVAL;
4650         }
4651
4652         for_each_hwfn(cdev, i) {
4653                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4654                 struct qed_public_vf_info *vf_info;
4655
4656                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4657                 if (!vf_info)
4658                         continue;
4659
4660                 /* Set the forced vlan, and schedule the IOV task */
4661                 vf_info->forced_vlan = vid;
4662                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4663         }
4664
4665         return 0;
4666 }
4667
4668 static int qed_get_vf_config(struct qed_dev *cdev,
4669                              int vf_id, struct ifla_vf_info *ivi)
4670 {
4671         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4672         struct qed_public_vf_info *vf_info;
4673         struct qed_mcp_link_state link;
4674         u32 tx_rate;
4675
4676         /* Sanitize request */
4677         if (IS_VF(cdev))
4678                 return -EINVAL;
4679
4680         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4681                 DP_VERBOSE(cdev, QED_MSG_IOV,
4682                            "VF index [%d] isn't active\n", vf_id);
4683                 return -EINVAL;
4684         }
4685
4686         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4687
4688         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4689
4690         /* Fill information about VF */
4691         ivi->vf = vf_id;
4692
4693         if (is_valid_ether_addr(vf_info->forced_mac))
4694                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4695         else
4696                 ether_addr_copy(ivi->mac, vf_info->mac);
4697
4698         ivi->vlan = vf_info->forced_vlan;
4699         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4700         ivi->linkstate = vf_info->link_state;
4701         tx_rate = vf_info->tx_rate;
4702         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4703         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4704
4705         return 0;
4706 }
4707
4708 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4709 {
4710         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4711         struct qed_mcp_link_capabilities caps;
4712         struct qed_mcp_link_params params;
4713         struct qed_mcp_link_state link;
4714         int i;
4715
4716         if (!hwfn->pf_iov_info)
4717                 return;
4718
4719         /* Update bulletin of all future possible VFs with link configuration */
4720         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4721                 struct qed_public_vf_info *vf_info;
4722
4723                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4724                 if (!vf_info)
4725                         continue;
4726
4727                 /* Only hwfn0 is actually interested in the link speed.
4728                  * But since only it would receive an MFW indication of link,
4729                  * need to take configuration from it - otherwise things like
4730                  * rate limiting for hwfn1 VF would not work.
4731                  */
4732                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4733                        sizeof(params));
4734                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4735                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4736                        sizeof(caps));
4737
4738                 /* Modify link according to the VF's configured link state */
4739                 switch (vf_info->link_state) {
4740                 case IFLA_VF_LINK_STATE_DISABLE:
4741                         link.link_up = false;
4742                         break;
4743                 case IFLA_VF_LINK_STATE_ENABLE:
4744                         link.link_up = true;
4745                         /* Set speed according to maximum supported by HW.
4746                          * that is 40G for regular devices and 100G for CMT
4747                          * mode devices.
4748                          */
4749                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4750                                      100000 : 40000;
4751                 default:
4752                         /* In auto mode pass PF link image to VF */
4753                         break;
4754                 }
4755
4756                 if (link.link_up && vf_info->tx_rate) {
4757                         struct qed_ptt *ptt;
4758                         int rate;
4759
4760                         rate = min_t(int, vf_info->tx_rate, link.speed);
4761
4762                         ptt = qed_ptt_acquire(hwfn);
4763                         if (!ptt) {
4764                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4765                                 return;
4766                         }
4767
4768                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4769                                 vf_info->tx_rate = rate;
4770                                 link.speed = rate;
4771                         }
4772
4773                         qed_ptt_release(hwfn, ptt);
4774                 }
4775
4776                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4777         }
4778
4779         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4780 }
4781
4782 static int qed_set_vf_link_state(struct qed_dev *cdev,
4783                                  int vf_id, int link_state)
4784 {
4785         int i;
4786
4787         /* Sanitize request */
4788         if (IS_VF(cdev))
4789                 return -EINVAL;
4790
4791         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4792                 DP_VERBOSE(cdev, QED_MSG_IOV,
4793                            "VF index [%d] isn't active\n", vf_id);
4794                 return -EINVAL;
4795         }
4796
4797         /* Handle configuration of link state */
4798         for_each_hwfn(cdev, i) {
4799                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4800                 struct qed_public_vf_info *vf;
4801
4802                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4803                 if (!vf)
4804                         continue;
4805
4806                 if (vf->link_state == link_state)
4807                         continue;
4808
4809                 vf->link_state = link_state;
4810                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4811         }
4812
4813         return 0;
4814 }
4815
4816 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4817 {
4818         int i, rc = -EINVAL;
4819
4820         for_each_hwfn(cdev, i) {
4821                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4822
4823                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4824                 if (rc)
4825                         break;
4826         }
4827
4828         return rc;
4829 }
4830
4831 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4832 {
4833         int i;
4834
4835         for_each_hwfn(cdev, i) {
4836                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4837                 struct qed_public_vf_info *vf;
4838
4839                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4840                         DP_NOTICE(p_hwfn,
4841                                   "SR-IOV sanity check failed, can't set tx rate\n");
4842                         return -EINVAL;
4843                 }
4844
4845                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4846
4847                 vf->tx_rate = rate;
4848
4849                 qed_inform_vf_link_state(p_hwfn);
4850         }
4851
4852         return 0;
4853 }
4854
4855 static int qed_set_vf_rate(struct qed_dev *cdev,
4856                            int vfid, u32 min_rate, u32 max_rate)
4857 {
4858         int rc_min = 0, rc_max = 0;
4859
4860         if (max_rate)
4861                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4862
4863         if (min_rate)
4864                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4865
4866         if (rc_max | rc_min)
4867                 return -EINVAL;
4868
4869         return 0;
4870 }
4871
4872 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4873 {
4874         int i;
4875
4876         for_each_hwfn(cdev, i) {
4877                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4878                 struct qed_public_vf_info *vf;
4879
4880                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4881                         DP_NOTICE(hwfn,
4882                                   "SR-IOV sanity check failed, can't set trust\n");
4883                         return -EINVAL;
4884                 }
4885
4886                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4887
4888                 if (vf->is_trusted_request == trust)
4889                         return 0;
4890                 vf->is_trusted_request = trust;
4891
4892                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4893         }
4894
4895         return 0;
4896 }
4897
4898 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4899 {
4900         u64 events[QED_VF_ARRAY_LENGTH];
4901         struct qed_ptt *ptt;
4902         int i;
4903
4904         ptt = qed_ptt_acquire(hwfn);
4905         if (!ptt) {
4906                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4907                            "Can't acquire PTT; re-scheduling\n");
4908                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4909                 return;
4910         }
4911
4912         qed_iov_pf_get_pending_events(hwfn, events);
4913
4914         DP_VERBOSE(hwfn, QED_MSG_IOV,
4915                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4916                    events[0], events[1], events[2]);
4917
4918         qed_for_each_vf(hwfn, i) {
4919                 /* Skip VFs with no pending messages */
4920                 if (!(events[i / 64] & (1ULL << (i % 64))))
4921                         continue;
4922
4923                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4924                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4925                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4926
4927                 /* Copy VF's message to PF's request buffer for that VF */
4928                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4929                         continue;
4930
4931                 qed_iov_process_mbx_req(hwfn, ptt, i);
4932         }
4933
4934         qed_ptt_release(hwfn, ptt);
4935 }
4936
4937 static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4938                                        u8 *mac,
4939                                        struct qed_public_vf_info *info)
4940 {
4941         if (info->is_trusted_configured) {
4942                 if (is_valid_ether_addr(info->mac) &&
4943                     (!mac || !ether_addr_equal(mac, info->mac)))
4944                         return true;
4945         } else {
4946                 if (is_valid_ether_addr(info->forced_mac) &&
4947                     (!mac || !ether_addr_equal(mac, info->forced_mac)))
4948                         return true;
4949         }
4950
4951         return false;
4952 }
4953
4954 static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4955                                  struct qed_public_vf_info *info,
4956                                  int vfid)
4957 {
4958         if (info->is_trusted_configured)
4959                 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4960         else
4961                 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4962 }
4963
4964 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4965 {
4966         int i;
4967
4968         qed_for_each_vf(hwfn, i) {
4969                 struct qed_public_vf_info *info;
4970                 bool update = false;
4971                 u8 *mac;
4972
4973                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4974                 if (!info)
4975                         continue;
4976
4977                 /* Update data on bulletin board */
4978                 if (info->is_trusted_configured)
4979                         mac = qed_iov_bulletin_get_mac(hwfn, i);
4980                 else
4981                         mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4982
4983                 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
4984                         DP_VERBOSE(hwfn,
4985                                    QED_MSG_IOV,
4986                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4987                                    i,
4988                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4989
4990                         /* Update bulletin board with MAC */
4991                         qed_set_bulletin_mac(hwfn, info, i);
4992                         update = true;
4993                 }
4994
4995                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4996                     info->forced_vlan) {
4997                         DP_VERBOSE(hwfn,
4998                                    QED_MSG_IOV,
4999                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
5000                                    info->forced_vlan,
5001                                    i,
5002                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
5003                         qed_iov_bulletin_set_forced_vlan(hwfn,
5004                                                          info->forced_vlan, i);
5005                         update = true;
5006                 }
5007
5008                 if (update)
5009                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5010         }
5011 }
5012
5013 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5014 {
5015         struct qed_ptt *ptt;
5016         int i;
5017
5018         ptt = qed_ptt_acquire(hwfn);
5019         if (!ptt) {
5020                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5021                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5022                 return;
5023         }
5024
5025         qed_for_each_vf(hwfn, i)
5026             qed_iov_post_vf_bulletin(hwfn, i, ptt);
5027
5028         qed_ptt_release(hwfn, ptt);
5029 }
5030
5031 static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5032 {
5033         struct qed_public_vf_info *vf_info;
5034         struct qed_vf_info *vf;
5035         u8 *force_mac;
5036         int i;
5037
5038         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5039         vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5040
5041         if (!vf_info || !vf)
5042                 return;
5043
5044         /* Force MAC converted to generic MAC in case of VF trust on */
5045         if (vf_info->is_trusted_configured &&
5046             (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5047                 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5048
5049                 if (force_mac) {
5050                         /* Clear existing shadow copy of MAC to have a clean
5051                          * slate.
5052                          */
5053                         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5054                                 if (ether_addr_equal(vf->shadow_config.macs[i],
5055                                                      vf_info->mac)) {
5056                                         memset(vf->shadow_config.macs[i], 0,
5057                                                ETH_ALEN);
5058                                         DP_VERBOSE(hwfn, QED_MSG_IOV,
5059                                                    "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5060                                                     vf_info->mac, vf_id);
5061                                         break;
5062                                 }
5063                         }
5064
5065                         ether_addr_copy(vf_info->mac, force_mac);
5066                         memset(vf_info->forced_mac, 0, ETH_ALEN);
5067                         vf->bulletin.p_virt->valid_bitmap &=
5068                                         ~BIT(MAC_ADDR_FORCED);
5069                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5070                 }
5071         }
5072
5073         /* Update shadow copy with VF MAC when trust mode is turned off */
5074         if (!vf_info->is_trusted_configured) {
5075                 u8 empty_mac[ETH_ALEN];
5076
5077                 memset(empty_mac, 0, ETH_ALEN);
5078                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5079                         if (ether_addr_equal(vf->shadow_config.macs[i],
5080                                              empty_mac)) {
5081                                 ether_addr_copy(vf->shadow_config.macs[i],
5082                                                 vf_info->mac);
5083                                 DP_VERBOSE(hwfn, QED_MSG_IOV,
5084                                            "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5085                                             vf_info->mac, vf_id);
5086                                 break;
5087                         }
5088                 }
5089                 /* Clear bulletin when trust mode is turned off,
5090                  * to have a clean slate for next (normal) operations.
5091                  */
5092                 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5093                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5094         }
5095 }
5096
5097 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5098 {
5099         struct qed_sp_vport_update_params params;
5100         struct qed_filter_accept_flags *flags;
5101         struct qed_public_vf_info *vf_info;
5102         struct qed_vf_info *vf;
5103         u8 mask;
5104         int i;
5105
5106         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5107         flags = &params.accept_flags;
5108
5109         qed_for_each_vf(hwfn, i) {
5110                 /* Need to make sure current requested configuration didn't
5111                  * flip so that we'll end up configuring something that's not
5112                  * needed.
5113                  */
5114                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5115                 if (vf_info->is_trusted_configured ==
5116                     vf_info->is_trusted_request)
5117                         continue;
5118                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
5119
5120                 /* Handle forced MAC mode */
5121                 qed_update_mac_for_vf_trust_change(hwfn, i);
5122
5123                 /* Validate that the VF has a configured vport */
5124                 vf = qed_iov_get_vf_info(hwfn, i, true);
5125                 if (!vf->vport_instance)
5126                         continue;
5127
5128                 memset(&params, 0, sizeof(params));
5129                 params.opaque_fid = vf->opaque_fid;
5130                 params.vport_id = vf->vport_id;
5131
5132                 if (vf_info->rx_accept_mode & mask) {
5133                         flags->update_rx_mode_config = 1;
5134                         flags->rx_accept_filter = vf_info->rx_accept_mode;
5135                 }
5136
5137                 if (vf_info->tx_accept_mode & mask) {
5138                         flags->update_tx_mode_config = 1;
5139                         flags->tx_accept_filter = vf_info->tx_accept_mode;
5140                 }
5141
5142                 /* Remove if needed; Otherwise this would set the mask */
5143                 if (!vf_info->is_trusted_configured) {
5144                         flags->rx_accept_filter &= ~mask;
5145                         flags->tx_accept_filter &= ~mask;
5146                 }
5147
5148                 if (flags->update_rx_mode_config ||
5149                     flags->update_tx_mode_config)
5150                         qed_sp_vport_update(hwfn, &params,
5151                                             QED_SPQ_MODE_EBLOCK, NULL);
5152         }
5153 }
5154
5155 static void qed_iov_pf_task(struct work_struct *work)
5156
5157 {
5158         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5159                                              iov_task.work);
5160         int rc;
5161
5162         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5163                 return;
5164
5165         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5166                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5167
5168                 if (!ptt) {
5169                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5170                         return;
5171                 }
5172
5173                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5174                 if (rc)
5175                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5176
5177                 qed_ptt_release(hwfn, ptt);
5178         }
5179
5180         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5181                 qed_handle_vf_msg(hwfn);
5182
5183         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5184                                &hwfn->iov_task_flags))
5185                 qed_handle_pf_set_vf_unicast(hwfn);
5186
5187         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5188                                &hwfn->iov_task_flags))
5189                 qed_handle_bulletin_post(hwfn);
5190
5191         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5192                 qed_iov_handle_trust_change(hwfn);
5193 }
5194
5195 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5196 {
5197         int i;
5198
5199         for_each_hwfn(cdev, i) {
5200                 if (!cdev->hwfns[i].iov_wq)
5201                         continue;
5202
5203                 if (schedule_first) {
5204                         qed_schedule_iov(&cdev->hwfns[i],
5205                                          QED_IOV_WQ_STOP_WQ_FLAG);
5206                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5207                 }
5208
5209                 flush_workqueue(cdev->hwfns[i].iov_wq);
5210                 destroy_workqueue(cdev->hwfns[i].iov_wq);
5211         }
5212 }
5213
5214 int qed_iov_wq_start(struct qed_dev *cdev)
5215 {
5216         char name[NAME_SIZE];
5217         int i;
5218
5219         for_each_hwfn(cdev, i) {
5220                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5221
5222                 /* PFs needs a dedicated workqueue only if they support IOV.
5223                  * VFs always require one.
5224                  */
5225                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5226                         continue;
5227
5228                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5229                          cdev->pdev->bus->number,
5230                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5231
5232                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5233                 if (!p_hwfn->iov_wq) {
5234                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5235                         return -ENOMEM;
5236                 }
5237
5238                 if (IS_PF(cdev))
5239                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5240                 else
5241                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5242         }
5243
5244         return 0;
5245 }
5246
5247 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5248         .configure = &qed_sriov_configure,
5249         .set_mac = &qed_sriov_pf_set_mac,
5250         .set_vlan = &qed_sriov_pf_set_vlan,
5251         .get_config = &qed_get_vf_config,
5252         .set_link_state = &qed_set_vf_link_state,
5253         .set_spoof = &qed_spoof_configure,
5254         .set_rate = &qed_set_vf_rate,
5255         .set_trust = &qed_set_vf_trust,
5256 };