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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/etherdevice.h>
  34 #include <linux/crc32.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/qed/qed_iov_if.h>
  37 #include "qed_cxt.h"
  38 #include "qed_hsi.h"
  39 #include "qed_hw.h"
  40 #include "qed_init_ops.h"
  41 #include "qed_int.h"
  42 #include "qed_mcp.h"
  43 #include "qed_reg_addr.h"
  44 #include "qed_sp.h"
  45 #include "qed_sriov.h"
  46 #include "qed_vf.h"
  47 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  48                                u8 opcode,
  49                                __le16 echo,
  50                                union event_ring_data *data, u8 fw_return_code);
  51
  52
  53 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  54 {
  55         u8 legacy = 0;
  56
  57         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  58             ETH_HSI_VER_NO_PKT_LEN_TUNN)
  59                 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  60
  61         if (!(p_vf->acquire.vfdev_info.capabilities &
  62               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  63                 legacy |= QED_QCID_LEGACY_VF_CID;
  64
  65         return legacy;
  66 }
  67
  68 /* IOV ramrods */
  69 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  70 {
  71         struct vf_start_ramrod_data *p_ramrod = NULL;
  72         struct qed_spq_entry *p_ent = NULL;
  73         struct qed_sp_init_data init_data;
  74         int rc = -EINVAL;
  75         u8 fp_minor;
  76
  77         /* Get SPQ entry */
  78         memset(&init_data, 0, sizeof(init_data));
  79         init_data.cid = qed_spq_get_cid(p_hwfn);
  80         init_data.opaque_fid = p_vf->opaque_fid;
  81         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  82
  83         rc = qed_sp_init_request(p_hwfn, &p_ent,
  84                                  COMMON_RAMROD_VF_START,
  85                                  PROTOCOLID_COMMON, &init_data);
  86         if (rc)
  87                 return rc;
  88
  89         p_ramrod = &p_ent->ramrod.vf_start;
  90
  91         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  92         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  93
  94         switch (p_hwfn->hw_info.personality) {
  95         case QED_PCI_ETH:
  96                 p_ramrod->personality = PERSONALITY_ETH;
  97                 break;
  98         case QED_PCI_ETH_ROCE:
  99         case QED_PCI_ETH_IWARP:
 100                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
 101                 break;
 102         default:
 103                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
 104                           p_hwfn->hw_info.personality);
 105                 return -EINVAL;
 106         }
 107
 108         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
 109         if (fp_minor > ETH_HSI_VER_MINOR &&
 110             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
 111                 DP_VERBOSE(p_hwfn,
 112                            QED_MSG_IOV,
 113                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
 114                            p_vf->abs_vf_id,
 115                            ETH_HSI_VER_MAJOR,
 116                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
 117                 fp_minor = ETH_HSI_VER_MINOR;
 118         }
 119
 120         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
 121         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
 122
 123         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 124                    "VF[%d] - Starting using HSI %02x.%02x\n",
 125                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 126
 127         return qed_spq_post(p_hwfn, p_ent, NULL);
 128 }
 129
 130 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 131                           u32 concrete_vfid, u16 opaque_vfid)
 132 {
 133         struct vf_stop_ramrod_data *p_ramrod = NULL;
 134         struct qed_spq_entry *p_ent = NULL;
 135         struct qed_sp_init_data init_data;
 136         int rc = -EINVAL;
 137
 138         /* Get SPQ entry */
 139         memset(&init_data, 0, sizeof(init_data));
 140         init_data.cid = qed_spq_get_cid(p_hwfn);
 141         init_data.opaque_fid = opaque_vfid;
 142         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 143
 144         rc = qed_sp_init_request(p_hwfn, &p_ent,
 145                                  COMMON_RAMROD_VF_STOP,
 146                                  PROTOCOLID_COMMON, &init_data);
 147         if (rc)
 148                 return rc;
 149
 150         p_ramrod = &p_ent->ramrod.vf_stop;
 151
 152         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 153
 154         return qed_spq_post(p_hwfn, p_ent, NULL);
 155 }
 156
 157 static bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 158                                   int rel_vf_id,
 159                                   bool b_enabled_only, bool b_non_malicious)
 160 {
 161         if (!p_hwfn->pf_iov_info) {
 162                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 163                 return false;
 164         }
 165
 166         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 167             (rel_vf_id < 0))
 168                 return false;
 169
 170         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 171             b_enabled_only)
 172                 return false;
 173
 174         if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 175             b_non_malicious)
 176                 return false;
 177
 178         return true;
 179 }
 180
 181 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 182                                                u16 relative_vf_id,
 183                                                bool b_enabled_only)
 184 {
 185         struct qed_vf_info *vf = NULL;
 186
 187         if (!p_hwfn->pf_iov_info) {
 188                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 189                 return NULL;
 190         }
 191
 192         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 193                                   b_enabled_only, false))
 194                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 195         else
 196                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 197                        relative_vf_id);
 198
 199         return vf;
 200 }
 201
 202 static struct qed_queue_cid *
 203 qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 204 {
 205         int i;
 206
 207         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 208                 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 209                         return p_queue->cids[i].p_cid;
 210         }
 211
 212         return NULL;
 213 }
 214
 215 enum qed_iov_validate_q_mode {
 216         QED_IOV_VALIDATE_Q_NA,
 217         QED_IOV_VALIDATE_Q_ENABLE,
 218         QED_IOV_VALIDATE_Q_DISABLE,
 219 };
 220
 221 static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 222                                         struct qed_vf_info *p_vf,
 223                                         u16 qid,
 224                                         enum qed_iov_validate_q_mode mode,
 225                                         bool b_is_tx)
 226 {
 227         int i;
 228
 229         if (mode == QED_IOV_VALIDATE_Q_NA)
 230                 return true;
 231
 232         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 233                 struct qed_vf_queue_cid *p_qcid;
 234
 235                 p_qcid = &p_vf->vf_queues[qid].cids[i];
 236
 237                 if (!p_qcid->p_cid)
 238                         continue;
 239
 240                 if (p_qcid->b_is_tx != b_is_tx)
 241                         continue;
 242
 243                 return mode == QED_IOV_VALIDATE_Q_ENABLE;
 244         }
 245
 246         /* In case we haven't found any valid cid, then its disabled */
 247         return mode == QED_IOV_VALIDATE_Q_DISABLE;
 248 }
 249
 250 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 251                                  struct qed_vf_info *p_vf,
 252                                  u16 rx_qid,
 253                                  enum qed_iov_validate_q_mode mode)
 254 {
 255         if (rx_qid >= p_vf->num_rxqs) {
 256                 DP_VERBOSE(p_hwfn,
 257                            QED_MSG_IOV,
 258                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 259                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 260                 return false;
 261         }
 262
 263         return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 264 }
 265
 266 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 267                                  struct qed_vf_info *p_vf,
 268                                  u16 tx_qid,
 269                                  enum qed_iov_validate_q_mode mode)
 270 {
 271         if (tx_qid >= p_vf->num_txqs) {
 272                 DP_VERBOSE(p_hwfn,
 273                            QED_MSG_IOV,
 274                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 275                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 276                 return false;
 277         }
 278
 279         return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 280 }
 281
 282 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 283                                 struct qed_vf_info *p_vf, u16 sb_idx)
 284 {
 285         int i;
 286
 287         for (i = 0; i < p_vf->num_sbs; i++)
 288                 if (p_vf->igu_sbs[i] == sb_idx)
 289                         return true;
 290
 291         DP_VERBOSE(p_hwfn,
 292                    QED_MSG_IOV,
 293                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 294                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 295
 296         return false;
 297 }
 298
 299 static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 300                                         struct qed_vf_info *p_vf)
 301 {
 302         u8 i;
 303
 304         for (i = 0; i < p_vf->num_rxqs; i++)
 305                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 306                                                 QED_IOV_VALIDATE_Q_ENABLE,
 307                                                 false))
 308                         return true;
 309
 310         return false;
 311 }
 312
 313 static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 314                                         struct qed_vf_info *p_vf)
 315 {
 316         u8 i;
 317
 318         for (i = 0; i < p_vf->num_txqs; i++)
 319                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 320                                                 QED_IOV_VALIDATE_Q_ENABLE,
 321                                                 true))
 322                         return true;
 323
 324         return false;
 325 }
 326
 327 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 328                                     int vfid, struct qed_ptt *p_ptt)
 329 {
 330         struct qed_bulletin_content *p_bulletin;
 331         int crc_size = sizeof(p_bulletin->crc);
 332         struct qed_dmae_params params;
 333         struct qed_vf_info *p_vf;
 334
 335         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 336         if (!p_vf)
 337                 return -EINVAL;
 338
 339         if (!p_vf->vf_bulletin)
 340                 return -EINVAL;
 341
 342         p_bulletin = p_vf->bulletin.p_virt;
 343
 344         /* Increment bulletin board version and compute crc */
 345         p_bulletin->version++;
 346         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 347                                 p_vf->bulletin.size - crc_size);
 348
 349         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 350                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 351                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 352
 353         /* propagate bulletin board via dmae to vm memory */
 354         memset(&params, 0, sizeof(params));
 355         params.flags = QED_DMAE_FLAG_VF_DST;
 356         params.dst_vfid = p_vf->abs_vf_id;
 357         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 358                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 359                                   &params);
 360 }
 361
 362 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 363 {
 364         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 365         int pos = iov->pos;
 366
 367         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 368         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 369
 370         pci_read_config_word(cdev->pdev,
 371                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 372         pci_read_config_word(cdev->pdev,
 373                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 374
 375         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 376         if (iov->num_vfs) {
 377                 DP_VERBOSE(cdev,
 378                            QED_MSG_IOV,
 379                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 380                 iov->num_vfs = 0;
 381         }
 382
 383         pci_read_config_word(cdev->pdev,
 384                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 385
 386         pci_read_config_word(cdev->pdev,
 387                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 388
 389         pci_read_config_word(cdev->pdev,
 390                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 391
 392         pci_read_config_dword(cdev->pdev,
 393                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 394
 395         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 396
 397         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 398
 399         DP_VERBOSE(cdev,
 400                    QED_MSG_IOV,
 401                    "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",
 402                    iov->nres,
 403                    iov->cap,
 404                    iov->ctrl,
 405                    iov->total_vfs,
 406                    iov->initial_vfs,
 407                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 408
 409         /* Some sanity checks */
 410         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 411             iov->total_vfs > NUM_OF_VFS(cdev)) {
 412                 /* This can happen only due to a bug. In this case we set
 413                  * num_vfs to zero to avoid memory corruption in the code that
 414                  * assumes max number of vfs
 415                  */
 416                 DP_NOTICE(cdev,
 417                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 418                           iov->num_vfs);
 419
 420                 iov->num_vfs = 0;
 421                 iov->total_vfs = 0;
 422         }
 423
 424         return 0;
 425 }
 426
 427 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 428 {
 429         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 430         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 431         struct qed_bulletin_content *p_bulletin_virt;
 432         dma_addr_t req_p, rply_p, bulletin_p;
 433         union pfvf_tlvs *p_reply_virt_addr;
 434         union vfpf_tlvs *p_req_virt_addr;
 435         u8 idx = 0;
 436
 437         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 438
 439         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 440         req_p = p_iov_info->mbx_msg_phys_addr;
 441         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 442         rply_p = p_iov_info->mbx_reply_phys_addr;
 443         p_bulletin_virt = p_iov_info->p_bulletins;
 444         bulletin_p = p_iov_info->bulletins_phys;
 445         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 446                 DP_ERR(p_hwfn,
 447                        "qed_iov_setup_vfdb called without allocating mem first\n");
 448                 return;
 449         }
 450
 451         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 452                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 453                 u32 concrete;
 454
 455                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 456                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 457                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 458                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 459
 460                 vf->state = VF_STOPPED;
 461                 vf->b_init = false;
 462
 463                 vf->bulletin.phys = idx *
 464                                     sizeof(struct qed_bulletin_content) +
 465                                     bulletin_p;
 466                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 467                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 468
 469                 vf->relative_vf_id = idx;
 470                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 471                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 472                 vf->concrete_fid = concrete;
 473                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 474                                  (vf->abs_vf_id << 8);
 475                 vf->vport_id = idx + 1;
 476
 477                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 478                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 479         }
 480 }
 481
 482 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 483 {
 484         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 485         void **p_v_addr;
 486         u16 num_vfs = 0;
 487
 488         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 489
 490         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 491                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 492
 493         /* Allocate PF Mailbox buffer (per-VF) */
 494         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 495         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 496         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 497                                        p_iov_info->mbx_msg_size,
 498                                        &p_iov_info->mbx_msg_phys_addr,
 499                                        GFP_KERNEL);
 500         if (!*p_v_addr)
 501                 return -ENOMEM;
 502
 503         /* Allocate PF Mailbox Reply buffer (per-VF) */
 504         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 505         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 506         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 507                                        p_iov_info->mbx_reply_size,
 508                                        &p_iov_info->mbx_reply_phys_addr,
 509                                        GFP_KERNEL);
 510         if (!*p_v_addr)
 511                 return -ENOMEM;
 512
 513         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 514                                      num_vfs;
 515         p_v_addr = &p_iov_info->p_bulletins;
 516         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 517                                        p_iov_info->bulletins_size,
 518                                        &p_iov_info->bulletins_phys,
 519                                        GFP_KERNEL);
 520         if (!*p_v_addr)
 521                 return -ENOMEM;
 522
 523         DP_VERBOSE(p_hwfn,
 524                    QED_MSG_IOV,
 525                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 526                    p_iov_info->mbx_msg_virt_addr,
 527                    (u64) p_iov_info->mbx_msg_phys_addr,
 528                    p_iov_info->mbx_reply_virt_addr,
 529                    (u64) p_iov_info->mbx_reply_phys_addr,
 530                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 531
 532         return 0;
 533 }
 534
 535 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 536 {
 537         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 538
 539         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 540                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 541                                   p_iov_info->mbx_msg_size,
 542                                   p_iov_info->mbx_msg_virt_addr,
 543                                   p_iov_info->mbx_msg_phys_addr);
 544
 545         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 546                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 547                                   p_iov_info->mbx_reply_size,
 548                                   p_iov_info->mbx_reply_virt_addr,
 549                                   p_iov_info->mbx_reply_phys_addr);
 550
 551         if (p_iov_info->p_bulletins)
 552                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 553                                   p_iov_info->bulletins_size,
 554                                   p_iov_info->p_bulletins,
 555                                   p_iov_info->bulletins_phys);
 556 }
 557
 558 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 559 {
 560         struct qed_pf_iov *p_sriov;
 561
 562         if (!IS_PF_SRIOV(p_hwfn)) {
 563                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 564                            "No SR-IOV - no need for IOV db\n");
 565                 return 0;
 566         }
 567
 568         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 569         if (!p_sriov)
 570                 return -ENOMEM;
 571
 572         p_hwfn->pf_iov_info = p_sriov;
 573
 574         qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 575                                   qed_sriov_eqe_event);
 576
 577         return qed_iov_allocate_vfdb(p_hwfn);
 578 }
 579
 580 void qed_iov_setup(struct qed_hwfn *p_hwfn)
 581 {
 582         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 583                 return;
 584
 585         qed_iov_setup_vfdb(p_hwfn);
 586 }
 587
 588 void qed_iov_free(struct qed_hwfn *p_hwfn)
 589 {
 590         qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 591
 592         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 593                 qed_iov_free_vfdb(p_hwfn);
 594                 kfree(p_hwfn->pf_iov_info);
 595         }
 596 }
 597
 598 void qed_iov_free_hw_info(struct qed_dev *cdev)
 599 {
 600         kfree(cdev->p_iov_info);
 601         cdev->p_iov_info = NULL;
 602 }
 603
 604 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 605 {
 606         struct qed_dev *cdev = p_hwfn->cdev;
 607         int pos;
 608         int rc;
 609
 610         if (IS_VF(p_hwfn->cdev))
 611                 return 0;
 612
 613         /* Learn the PCI configuration */
 614         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 615                                       PCI_EXT_CAP_ID_SRIOV);
 616         if (!pos) {
 617                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 618                 return 0;
 619         }
 620
 621         /* Allocate a new struct for IOV information */
 622         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 623         if (!cdev->p_iov_info)
 624                 return -ENOMEM;
 625
 626         cdev->p_iov_info->pos = pos;
 627
 628         rc = qed_iov_pci_cfg_info(cdev);
 629         if (rc)
 630                 return rc;
 631
 632         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 633          * In case the capability is published but there are no VFs, simply
 634          * de-allocate the struct.
 635          */
 636         if (!cdev->p_iov_info->total_vfs) {
 637                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 638                            "IOV capabilities, but no VFs are published\n");
 639                 kfree(cdev->p_iov_info);
 640                 cdev->p_iov_info = NULL;
 641                 return 0;
 642         }
 643
 644         /* First VF index based on offset is tricky:
 645          *  - If ARI is supported [likely], offset - (16 - pf_id) would
 646          *    provide the number for eng0. 2nd engine Vfs would begin
 647          *    after the first engine's VFs.
 648          *  - If !ARI, VFs would start on next device.
 649          *    so offset - (256 - pf_id) would provide the number.
 650          * Utilize the fact that (256 - pf_id) is achieved only by later
 651          * to differentiate between the two.
 652          */
 653
 654         if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 655                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 656                             p_hwfn->abs_pf_id - 16;
 657
 658                 cdev->p_iov_info->first_vf_in_pf = first;
 659
 660                 if (QED_PATH_ID(p_hwfn))
 661                         cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 662         } else {
 663                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 664                             p_hwfn->abs_pf_id - 256;
 665
 666                 cdev->p_iov_info->first_vf_in_pf = first;
 667         }
 668
 669         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 670                    "First VF in hwfn 0x%08x\n",
 671                    cdev->p_iov_info->first_vf_in_pf);
 672
 673         return 0;
 674 }
 675
 676 bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 677                               int vfid, bool b_fail_malicious)
 678 {
 679         /* Check PF supports sriov */
 680         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 681             !IS_PF_SRIOV_ALLOC(p_hwfn))
 682                 return false;
 683
 684         /* Check VF validity */
 685         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 686                 return false;
 687
 688         return true;
 689 }
 690
 691 bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 692 {
 693         return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 694 }
 695
 696 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 697                                       u16 rel_vf_id, u8 to_disable)
 698 {
 699         struct qed_vf_info *vf;
 700         int i;
 701
 702         for_each_hwfn(cdev, i) {
 703                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 704
 705                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 706                 if (!vf)
 707                         continue;
 708
 709                 vf->to_disable = to_disable;
 710         }
 711 }
 712
 713 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 714 {
 715         u16 i;
 716
 717         if (!IS_QED_SRIOV(cdev))
 718                 return;
 719
 720         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 721                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 722 }
 723
 724 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 725                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 726 {
 727         qed_wr(p_hwfn, p_ptt,
 728                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 729                1 << (abs_vfid & 0x1f));
 730 }
 731
 732 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 733                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 734 {
 735         int i;
 736
 737         /* Set VF masks and configuration - pretend */
 738         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 739
 740         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 741
 742         /* unpretend */
 743         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 744
 745         /* iterate over all queues, clear sb consumer */
 746         for (i = 0; i < vf->num_sbs; i++)
 747                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 748                                                 vf->igu_sbs[i],
 749                                                 vf->opaque_fid, true);
 750 }
 751
 752 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 753                                    struct qed_ptt *p_ptt,
 754                                    struct qed_vf_info *vf, bool enable)
 755 {
 756         u32 igu_vf_conf;
 757
 758         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 759
 760         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 761
 762         if (enable)
 763                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 764         else
 765                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 766
 767         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 768
 769         /* unpretend */
 770         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 771 }
 772
 773 static int
 774 qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 775                               struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 776 {
 777         u8 current_max = 0;
 778         int i;
 779
 780         /* For AH onward, configuration is per-PF. Find maximum of all
 781          * the currently enabled child VFs, and set the number to be that.
 782          */
 783         if (!QED_IS_BB(p_hwfn->cdev)) {
 784                 qed_for_each_vf(p_hwfn, i) {
 785                         struct qed_vf_info *p_vf;
 786
 787                         p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 788                         if (!p_vf)
 789                                 continue;
 790
 791                         current_max = max_t(u8, current_max, p_vf->num_sbs);
 792                 }
 793         }
 794
 795         if (num_sbs > current_max)
 796                 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 797                                               abs_vf_id, num_sbs);
 798
 799         return 0;
 800 }
 801
 802 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 803                                     struct qed_ptt *p_ptt,
 804                                     struct qed_vf_info *vf)
 805 {
 806         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 807         int rc;
 808
 809         /* It's possible VF was previously considered malicious -
 810          * clear the indication even if we're only going to disable VF.
 811          */
 812         vf->b_malicious = false;
 813
 814         if (vf->to_disable)
 815                 return 0;
 816
 817         DP_VERBOSE(p_hwfn,
 818                    QED_MSG_IOV,
 819                    "Enable internal access for vf %x [abs %x]\n",
 820                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 821
 822         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 823
 824         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 825
 826         rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 827                                            vf->abs_vf_id, vf->num_sbs);
 828         if (rc)
 829                 return rc;
 830
 831         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 832
 833         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 834         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 835
 836         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 837                      p_hwfn->hw_info.hw_mode);
 838
 839         /* unpretend */
 840         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 841
 842         vf->state = VF_FREE;
 843
 844         return rc;
 845 }
 846
 847 /**
 848  * @brief qed_iov_config_perm_table - configure the permission
 849  *      zone table.
 850  *      In E4, queue zone permission table size is 320x9. There
 851  *      are 320 VF queues for single engine device (256 for dual
 852  *      engine device), and each entry has the following format:
 853  *      {Valid, VF[7:0]}
 854  * @param p_hwfn
 855  * @param p_ptt
 856  * @param vf
 857  * @param enable
 858  */
 859 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 860                                       struct qed_ptt *p_ptt,
 861                                       struct qed_vf_info *vf, u8 enable)
 862 {
 863         u32 reg_addr, val;
 864         u16 qzone_id = 0;
 865         int qid;
 866
 867         for (qid = 0; qid < vf->num_rxqs; qid++) {
 868                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 869                                 &qzone_id);
 870
 871                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 872                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 873                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 874         }
 875 }
 876
 877 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 878                                       struct qed_ptt *p_ptt,
 879                                       struct qed_vf_info *vf)
 880 {
 881         /* Reset vf in IGU - interrupts are still disabled */
 882         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 883
 884         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 885
 886         /* Permission Table */
 887         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 888 }
 889
 890 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 891                                    struct qed_ptt *p_ptt,
 892                                    struct qed_vf_info *vf, u16 num_rx_queues)
 893 {
 894         struct qed_igu_block *p_block;
 895         struct cau_sb_entry sb_entry;
 896         int qid = 0;
 897         u32 val = 0;
 898
 899         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 900                 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 901         p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 902
 903         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 904         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 905         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 906
 907         for (qid = 0; qid < num_rx_queues; qid++) {
 908                 p_block = qed_get_igu_free_sb(p_hwfn, false);
 909                 vf->igu_sbs[qid] = p_block->igu_sb_id;
 910                 p_block->status &= ~QED_IGU_STATUS_FREE;
 911                 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 912
 913                 qed_wr(p_hwfn, p_ptt,
 914                        IGU_REG_MAPPING_MEMORY +
 915                        sizeof(u32) * p_block->igu_sb_id, val);
 916
 917                 /* Configure igu sb in CAU which were marked valid */
 918                 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 919                                       p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 920                 qed_dmae_host2grc(p_hwfn, p_ptt,
 921                                   (u64)(uintptr_t)&sb_entry,
 922                                   CAU_REG_SB_VAR_MEMORY +
 923                                   p_block->igu_sb_id * sizeof(u64), 2, 0);
 924         }
 925
 926         vf->num_sbs = (u8) num_rx_queues;
 927
 928         return vf->num_sbs;
 929 }
 930
 931 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 932                                     struct qed_ptt *p_ptt,
 933                                     struct qed_vf_info *vf)
 934 {
 935         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 936         int idx, igu_id;
 937         u32 addr, val;
 938
 939         /* Invalidate igu CAM lines and mark them as free */
 940         for (idx = 0; idx < vf->num_sbs; idx++) {
 941                 igu_id = vf->igu_sbs[idx];
 942                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 943
 944                 val = qed_rd(p_hwfn, p_ptt, addr);
 945                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 946                 qed_wr(p_hwfn, p_ptt, addr, val);
 947
 948                 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
 949                 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
 950         }
 951
 952         vf->num_sbs = 0;
 953 }
 954
 955 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 956                              u16 vfid,
 957                              struct qed_mcp_link_params *params,
 958                              struct qed_mcp_link_state *link,
 959                              struct qed_mcp_link_capabilities *p_caps)
 960 {
 961         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 962                                                        vfid,
 963                                                        false);
 964         struct qed_bulletin_content *p_bulletin;
 965
 966         if (!p_vf)
 967                 return;
 968
 969         p_bulletin = p_vf->bulletin.p_virt;
 970         p_bulletin->req_autoneg = params->speed.autoneg;
 971         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 972         p_bulletin->req_forced_speed = params->speed.forced_speed;
 973         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 974         p_bulletin->req_forced_rx = params->pause.forced_rx;
 975         p_bulletin->req_forced_tx = params->pause.forced_tx;
 976         p_bulletin->req_loopback = params->loopback_mode;
 977
 978         p_bulletin->link_up = link->link_up;
 979         p_bulletin->speed = link->speed;
 980         p_bulletin->full_duplex = link->full_duplex;
 981         p_bulletin->autoneg = link->an;
 982         p_bulletin->autoneg_complete = link->an_complete;
 983         p_bulletin->parallel_detection = link->parallel_detection;
 984         p_bulletin->pfc_enabled = link->pfc_enabled;
 985         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 986         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 987         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 988         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 989         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 990
 991         p_bulletin->capability_speed = p_caps->speed_capabilities;
 992 }
 993
 994 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 995                                   struct qed_ptt *p_ptt,
 996                                   struct qed_iov_vf_init_params *p_params)
 997 {
 998         struct qed_mcp_link_capabilities link_caps;
 999         struct qed_mcp_link_params link_params;
1000         struct qed_mcp_link_state link_state;
1001         u8 num_of_vf_avaiable_chains = 0;
1002         struct qed_vf_info *vf = NULL;
1003         u16 qid, num_irqs;
1004         int rc = 0;
1005         u32 cids;
1006         u8 i;
1007
1008         vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
1009         if (!vf) {
1010                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
1011                 return -EINVAL;
1012         }
1013
1014         if (vf->b_init) {
1015                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
1016                           p_params->rel_vf_id);
1017                 return -EINVAL;
1018         }
1019
1020         /* Perform sanity checking on the requested queue_id */
1021         for (i = 0; i < p_params->num_queues; i++) {
1022                 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1023                 u16 max_vf_qzone = min_vf_qzone +
1024                     FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1025
1026                 qid = p_params->req_rx_queue[i];
1027                 if (qid < min_vf_qzone || qid > max_vf_qzone) {
1028                         DP_NOTICE(p_hwfn,
1029                                   "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1030                                   qid,
1031                                   p_params->rel_vf_id,
1032                                   min_vf_qzone, max_vf_qzone);
1033                         return -EINVAL;
1034                 }
1035
1036                 qid = p_params->req_tx_queue[i];
1037                 if (qid > max_vf_qzone) {
1038                         DP_NOTICE(p_hwfn,
1039                                   "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1040                                   qid, p_params->rel_vf_id, max_vf_qzone);
1041                         return -EINVAL;
1042                 }
1043
1044                 /* If client *really* wants, Tx qid can be shared with PF */
1045                 if (qid < min_vf_qzone)
1046                         DP_VERBOSE(p_hwfn,
1047                                    QED_MSG_IOV,
1048                                    "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1049                                    p_params->rel_vf_id, qid, i);
1050         }
1051
1052         /* Limit number of queues according to number of CIDs */
1053         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1054         DP_VERBOSE(p_hwfn,
1055                    QED_MSG_IOV,
1056                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
1057                    vf->relative_vf_id, p_params->num_queues, (u16)cids);
1058         num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1059
1060         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1061                                                              p_ptt,
1062                                                              vf, num_irqs);
1063         if (!num_of_vf_avaiable_chains) {
1064                 DP_ERR(p_hwfn, "no available igu sbs\n");
1065                 return -ENOMEM;
1066         }
1067
1068         /* Choose queue number and index ranges */
1069         vf->num_rxqs = num_of_vf_avaiable_chains;
1070         vf->num_txqs = num_of_vf_avaiable_chains;
1071
1072         for (i = 0; i < vf->num_rxqs; i++) {
1073                 struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1074
1075                 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1076                 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1077
1078                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1079                            "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1080                            vf->relative_vf_id, i, vf->igu_sbs[i],
1081                            p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1082         }
1083
1084         /* Update the link configuration in bulletin */
1085         memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1086                sizeof(link_params));
1087         memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1088         memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1089                sizeof(link_caps));
1090         qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1091                          &link_params, &link_state, &link_caps);
1092
1093         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1094         if (!rc) {
1095                 vf->b_init = true;
1096
1097                 if (IS_LEAD_HWFN(p_hwfn))
1098                         p_hwfn->cdev->p_iov_info->num_vfs++;
1099         }
1100
1101         return rc;
1102 }
1103
1104 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1105                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
1106 {
1107         struct qed_mcp_link_capabilities caps;
1108         struct qed_mcp_link_params params;
1109         struct qed_mcp_link_state link;
1110         struct qed_vf_info *vf = NULL;
1111
1112         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1113         if (!vf) {
1114                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1115                 return -EINVAL;
1116         }
1117
1118         if (vf->bulletin.p_virt)
1119                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1120
1121         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1122
1123         /* Get the link configuration back in bulletin so
1124          * that when VFs are re-enabled they get the actual
1125          * link configuration.
1126          */
1127         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1128         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1129         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1130         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1131
1132         /* Forget the VF's acquisition message */
1133         memset(&vf->acquire, 0, sizeof(vf->acquire));
1134
1135         /* disablng interrupts and resetting permission table was done during
1136          * vf-close, however, we could get here without going through vf_close
1137          */
1138         /* Disable Interrupts for VF */
1139         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1140
1141         /* Reset Permission table */
1142         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1143
1144         vf->num_rxqs = 0;
1145         vf->num_txqs = 0;
1146         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1147
1148         if (vf->b_init) {
1149                 vf->b_init = false;
1150
1151                 if (IS_LEAD_HWFN(p_hwfn))
1152                         p_hwfn->cdev->p_iov_info->num_vfs--;
1153         }
1154
1155         return 0;
1156 }
1157
1158 static bool qed_iov_tlv_supported(u16 tlvtype)
1159 {
1160         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1161 }
1162
1163 /* place a given tlv on the tlv buffer, continuing current tlv list */
1164 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1165 {
1166         struct channel_tlv *tl = (struct channel_tlv *)*offset;
1167
1168         tl->type = type;
1169         tl->length = length;
1170
1171         /* Offset should keep pointing to next TLV (the end of the last) */
1172         *offset += length;
1173
1174         /* Return a pointer to the start of the added tlv */
1175         return *offset - length;
1176 }
1177
1178 /* list the types and lengths of the tlvs on the buffer */
1179 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1180 {
1181         u16 i = 1, total_length = 0;
1182         struct channel_tlv *tlv;
1183
1184         do {
1185                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1186
1187                 /* output tlv */
1188                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1189                            "TLV number %d: type %d, length %d\n",
1190                            i, tlv->type, tlv->length);
1191
1192                 if (tlv->type == CHANNEL_TLV_LIST_END)
1193                         return;
1194
1195                 /* Validate entry - protect against malicious VFs */
1196                 if (!tlv->length) {
1197                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1198                         return;
1199                 }
1200
1201                 total_length += tlv->length;
1202
1203                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1204                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1205                         return;
1206                 }
1207
1208                 i++;
1209         } while (1);
1210 }
1211
1212 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1213                                   struct qed_ptt *p_ptt,
1214                                   struct qed_vf_info *p_vf,
1215                                   u16 length, u8 status)
1216 {
1217         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1218         struct qed_dmae_params params;
1219         u8 eng_vf_id;
1220
1221         mbx->reply_virt->default_resp.hdr.status = status;
1222
1223         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1224
1225         eng_vf_id = p_vf->abs_vf_id;
1226
1227         memset(&params, 0, sizeof(struct qed_dmae_params));
1228         params.flags = QED_DMAE_FLAG_VF_DST;
1229         params.dst_vfid = eng_vf_id;
1230
1231         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1232                            mbx->req_virt->first_tlv.reply_address +
1233                            sizeof(u64),
1234                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1235                            &params);
1236
1237         /* Once PF copies the rc to the VF, the latter can continue
1238          * and send an additional message. So we have to make sure the
1239          * channel would be re-set to ready prior to that.
1240          */
1241         REG_WR(p_hwfn,
1242                GTT_BAR0_MAP_REG_USDM_RAM +
1243                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1244
1245         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1246                            mbx->req_virt->first_tlv.reply_address,
1247                            sizeof(u64) / 4, &params);
1248 }
1249
1250 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1251                                 enum qed_iov_vport_update_flag flag)
1252 {
1253         switch (flag) {
1254         case QED_IOV_VP_UPDATE_ACTIVATE:
1255                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1256         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1257                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1258         case QED_IOV_VP_UPDATE_TX_SWITCH:
1259                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1260         case QED_IOV_VP_UPDATE_MCAST:
1261                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1262         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1263                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1264         case QED_IOV_VP_UPDATE_RSS:
1265                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1266         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1267                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1268         case QED_IOV_VP_UPDATE_SGE_TPA:
1269                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1270         default:
1271                 return 0;
1272         }
1273 }
1274
1275 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1276                                             struct qed_vf_info *p_vf,
1277                                             struct qed_iov_vf_mbx *p_mbx,
1278                                             u8 status,
1279                                             u16 tlvs_mask, u16 tlvs_accepted)
1280 {
1281         struct pfvf_def_resp_tlv *resp;
1282         u16 size, total_len, i;
1283
1284         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1285         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1286         size = sizeof(struct pfvf_def_resp_tlv);
1287         total_len = size;
1288
1289         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1290
1291         /* Prepare response for all extended tlvs if they are found by PF */
1292         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1293                 if (!(tlvs_mask & BIT(i)))
1294                         continue;
1295
1296                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1297                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1298
1299                 if (tlvs_accepted & BIT(i))
1300                         resp->hdr.status = status;
1301                 else
1302                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1303
1304                 DP_VERBOSE(p_hwfn,
1305                            QED_MSG_IOV,
1306                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1307                            p_vf->relative_vf_id,
1308                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1309
1310                 total_len += size;
1311         }
1312
1313         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1314                     sizeof(struct channel_list_end_tlv));
1315
1316         return total_len;
1317 }
1318
1319 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1320                                  struct qed_ptt *p_ptt,
1321                                  struct qed_vf_info *vf_info,
1322                                  u16 type, u16 length, u8 status)
1323 {
1324         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1325
1326         mbx->offset = (u8 *)mbx->reply_virt;
1327
1328         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1329         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1330                     sizeof(struct channel_list_end_tlv));
1331
1332         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1333 }
1334
1335 static struct
1336 qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1337                                                u16 relative_vf_id,
1338                                                bool b_enabled_only)
1339 {
1340         struct qed_vf_info *vf = NULL;
1341
1342         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1343         if (!vf)
1344                 return NULL;
1345
1346         return &vf->p_vf_info;
1347 }
1348
1349 static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1350 {
1351         struct qed_public_vf_info *vf_info;
1352
1353         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1354
1355         if (!vf_info)
1356                 return;
1357
1358         /* Clear the VF mac */
1359         eth_zero_addr(vf_info->mac);
1360
1361         vf_info->rx_accept_mode = 0;
1362         vf_info->tx_accept_mode = 0;
1363 }
1364
1365 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1366                                struct qed_vf_info *p_vf)
1367 {
1368         u32 i, j;
1369
1370         p_vf->vf_bulletin = 0;
1371         p_vf->vport_instance = 0;
1372         p_vf->configured_features = 0;
1373
1374         /* If VF previously requested less resources, go back to default */
1375         p_vf->num_rxqs = p_vf->num_sbs;
1376         p_vf->num_txqs = p_vf->num_sbs;
1377
1378         p_vf->num_active_rxqs = 0;
1379
1380         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1381                 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1382
1383                 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1384                         if (!p_queue->cids[j].p_cid)
1385                                 continue;
1386
1387                         qed_eth_queue_cid_release(p_hwfn,
1388                                                   p_queue->cids[j].p_cid);
1389                         p_queue->cids[j].p_cid = NULL;
1390                 }
1391         }
1392
1393         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1394         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1395         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1396 }
1397
1398 /* Returns either 0, or log(size) */
1399 static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1400                                   struct qed_ptt *p_ptt)
1401 {
1402         u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1403
1404         if (val)
1405                 return val + 11;
1406         return 0;
1407 }
1408
1409 static void
1410 qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1411                                  struct qed_ptt *p_ptt,
1412                                  struct qed_vf_info *p_vf,
1413                                  struct vf_pf_resc_request *p_req,
1414                                  struct pf_vf_resc *p_resp)
1415 {
1416         u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1417         u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1418                      qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1419         u32 bar_size;
1420
1421         p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1422
1423         /* If VF didn't bother asking for QIDs than don't bother limiting
1424          * number of CIDs. The VF doesn't care about the number, and this
1425          * has the likely result of causing an additional acquisition.
1426          */
1427         if (!(p_vf->acquire.vfdev_info.capabilities &
1428               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1429                 return;
1430
1431         /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1432          * that would make sure doorbells for all CIDs fall within the bar.
1433          * If it doesn't, make sure regview window is sufficient.
1434          */
1435         if (p_vf->acquire.vfdev_info.capabilities &
1436             VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1437                 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1438                 if (bar_size)
1439                         bar_size = 1 << bar_size;
1440
1441                 if (p_hwfn->cdev->num_hwfns > 1)
1442                         bar_size /= 2;
1443         } else {
1444                 bar_size = PXP_VF_BAR0_DQ_LENGTH;
1445         }
1446
1447         if (bar_size / db_size < 256)
1448                 p_resp->num_cids = min_t(u8, p_resp->num_cids,
1449                                          (u8)(bar_size / db_size));
1450 }
1451
1452 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1453                                       struct qed_ptt *p_ptt,
1454                                       struct qed_vf_info *p_vf,
1455                                       struct vf_pf_resc_request *p_req,
1456                                       struct pf_vf_resc *p_resp)
1457 {
1458         u8 i;
1459
1460         /* Queue related information */
1461         p_resp->num_rxqs = p_vf->num_rxqs;
1462         p_resp->num_txqs = p_vf->num_txqs;
1463         p_resp->num_sbs = p_vf->num_sbs;
1464
1465         for (i = 0; i < p_resp->num_sbs; i++) {
1466                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1467                 p_resp->hw_sbs[i].sb_qid = 0;
1468         }
1469
1470         /* These fields are filled for backward compatibility.
1471          * Unused by modern vfs.
1472          */
1473         for (i = 0; i < p_resp->num_rxqs; i++) {
1474                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1475                                 (u16 *)&p_resp->hw_qid[i]);
1476                 p_resp->cid[i] = i;
1477         }
1478
1479         /* Filter related information */
1480         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1481                                         p_req->num_mac_filters);
1482         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1483                                          p_req->num_vlan_filters);
1484
1485         qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
1486
1487         /* This isn't really needed/enforced, but some legacy VFs might depend
1488          * on the correct filling of this field.
1489          */
1490         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1491
1492         /* Validate sufficient resources for VF */
1493         if (p_resp->num_rxqs < p_req->num_rxqs ||
1494             p_resp->num_txqs < p_req->num_txqs ||
1495             p_resp->num_sbs < p_req->num_sbs ||
1496             p_resp->num_mac_filters < p_req->num_mac_filters ||
1497             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1498             p_resp->num_mc_filters < p_req->num_mc_filters ||
1499             p_resp->num_cids < p_req->num_cids) {
1500                 DP_VERBOSE(p_hwfn,
1501                            QED_MSG_IOV,
1502                            "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",
1503                            p_vf->abs_vf_id,
1504                            p_req->num_rxqs,
1505                            p_resp->num_rxqs,
1506                            p_req->num_rxqs,
1507                            p_resp->num_txqs,
1508                            p_req->num_sbs,
1509                            p_resp->num_sbs,
1510                            p_req->num_mac_filters,
1511                            p_resp->num_mac_filters,
1512                            p_req->num_vlan_filters,
1513                            p_resp->num_vlan_filters,
1514                            p_req->num_mc_filters,
1515                            p_resp->num_mc_filters,
1516                            p_req->num_cids, p_resp->num_cids);
1517
1518                 /* Some legacy OSes are incapable of correctly handling this
1519                  * failure.
1520                  */
1521                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1522                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1523                     (p_vf->acquire.vfdev_info.os_type ==
1524                      VFPF_ACQUIRE_OS_WINDOWS))
1525                         return PFVF_STATUS_SUCCESS;
1526
1527                 return PFVF_STATUS_NO_RESOURCE;
1528         }
1529
1530         return PFVF_STATUS_SUCCESS;
1531 }
1532
1533 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1534                                          struct pfvf_stats_info *p_stats)
1535 {
1536         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1537                                   offsetof(struct mstorm_vf_zone,
1538                                            non_trigger.eth_queue_stat);
1539         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1540         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1541                                   offsetof(struct ustorm_vf_zone,
1542                                            non_trigger.eth_queue_stat);
1543         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1544         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1545                                   offsetof(struct pstorm_vf_zone,
1546                                            non_trigger.eth_queue_stat);
1547         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1548         p_stats->tstats.address = 0;
1549         p_stats->tstats.len = 0;
1550 }
1551
1552 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1553                                    struct qed_ptt *p_ptt,
1554                                    struct qed_vf_info *vf)
1555 {
1556         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1557         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1558         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1559         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1560         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1561         struct pf_vf_resc *resc = &resp->resc;
1562         int rc;
1563
1564         memset(resp, 0, sizeof(*resp));
1565
1566         /* Write the PF version so that VF would know which version
1567          * is supported - might be later overriden. This guarantees that
1568          * VF could recognize legacy PF based on lack of versions in reply.
1569          */
1570         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1571         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1572
1573         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1574                 DP_VERBOSE(p_hwfn,
1575                            QED_MSG_IOV,
1576                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1577                            vf->abs_vf_id, vf->state);
1578                 goto out;
1579         }
1580
1581         /* Validate FW compatibility */
1582         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1583                 if (req->vfdev_info.capabilities &
1584                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1585                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1586
1587                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1588                                    "VF[%d] is pre-fastpath HSI\n",
1589                                    vf->abs_vf_id);
1590                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1591                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1592                 } else {
1593                         DP_INFO(p_hwfn,
1594                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1595                                 vf->abs_vf_id,
1596                                 req->vfdev_info.eth_fp_hsi_major,
1597                                 req->vfdev_info.eth_fp_hsi_minor,
1598                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1599
1600                         goto out;
1601                 }
1602         }
1603
1604         /* On 100g PFs, prevent old VFs from loading */
1605         if ((p_hwfn->cdev->num_hwfns > 1) &&
1606             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1607                 DP_INFO(p_hwfn,
1608                         "VF[%d] is running an old driver that doesn't support 100g\n",
1609                         vf->abs_vf_id);
1610                 goto out;
1611         }
1612
1613         /* Store the acquire message */
1614         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1615
1616         vf->opaque_fid = req->vfdev_info.opaque_fid;
1617
1618         vf->vf_bulletin = req->bulletin_addr;
1619         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1620                             vf->bulletin.size : req->bulletin_size;
1621
1622         /* fill in pfdev info */
1623         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1624         pfdev_info->db_size = 0;
1625         pfdev_info->indices_per_sb = PIS_PER_SB;
1626
1627         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1628                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1629         if (p_hwfn->cdev->num_hwfns > 1)
1630                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1631
1632         /* Share our ability to use multiple queue-ids only with VFs
1633          * that request it.
1634          */
1635         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1636                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1637
1638         /* Share the sizes of the bars with VF */
1639         resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1640
1641         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1642
1643         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1644
1645         pfdev_info->fw_major = FW_MAJOR_VERSION;
1646         pfdev_info->fw_minor = FW_MINOR_VERSION;
1647         pfdev_info->fw_rev = FW_REVISION_VERSION;
1648         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1649
1650         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1651          * this field.
1652          */
1653         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1654                                          req->vfdev_info.eth_fp_hsi_minor);
1655         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1656         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1657
1658         pfdev_info->dev_type = p_hwfn->cdev->type;
1659         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1660
1661         /* Fill resources available to VF; Make sure there are enough to
1662          * satisfy the VF's request.
1663          */
1664         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1665                                                   &req->resc_request, resc);
1666         if (vfpf_status != PFVF_STATUS_SUCCESS)
1667                 goto out;
1668
1669         /* Start the VF in FW */
1670         rc = qed_sp_vf_start(p_hwfn, vf);
1671         if (rc) {
1672                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1673                 vfpf_status = PFVF_STATUS_FAILURE;
1674                 goto out;
1675         }
1676
1677         /* Fill agreed size of bulletin board in response */
1678         resp->bulletin_size = vf->bulletin.size;
1679         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1680
1681         DP_VERBOSE(p_hwfn,
1682                    QED_MSG_IOV,
1683                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1684                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1685                    vf->abs_vf_id,
1686                    resp->pfdev_info.chip_num,
1687                    resp->pfdev_info.db_size,
1688                    resp->pfdev_info.indices_per_sb,
1689                    resp->pfdev_info.capabilities,
1690                    resc->num_rxqs,
1691                    resc->num_txqs,
1692                    resc->num_sbs,
1693                    resc->num_mac_filters,
1694                    resc->num_vlan_filters);
1695         vf->state = VF_ACQUIRED;
1696
1697         /* Prepare Response */
1698 out:
1699         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1700                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1701 }
1702
1703 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1704                                   struct qed_vf_info *p_vf, bool val)
1705 {
1706         struct qed_sp_vport_update_params params;
1707         int rc;
1708
1709         if (val == p_vf->spoof_chk) {
1710                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1711                            "Spoofchk value[%d] is already configured\n", val);
1712                 return 0;
1713         }
1714
1715         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1716         params.opaque_fid = p_vf->opaque_fid;
1717         params.vport_id = p_vf->vport_id;
1718         params.update_anti_spoofing_en_flg = 1;
1719         params.anti_spoofing_en = val;
1720
1721         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1722         if (!rc) {
1723                 p_vf->spoof_chk = val;
1724                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1725                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1726                            "Spoofchk val[%d] configured\n", val);
1727         } else {
1728                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1729                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1730                            val, p_vf->relative_vf_id);
1731         }
1732
1733         return rc;
1734 }
1735
1736 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1737                                             struct qed_vf_info *p_vf)
1738 {
1739         struct qed_filter_ucast filter;
1740         int rc = 0;
1741         int i;
1742
1743         memset(&filter, 0, sizeof(filter));
1744         filter.is_rx_filter = 1;
1745         filter.is_tx_filter = 1;
1746         filter.vport_to_add_to = p_vf->vport_id;
1747         filter.opcode = QED_FILTER_ADD;
1748
1749         /* Reconfigure vlans */
1750         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1751                 if (!p_vf->shadow_config.vlans[i].used)
1752                         continue;
1753
1754                 filter.type = QED_FILTER_VLAN;
1755                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1756                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1757                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1758                            filter.vlan, p_vf->relative_vf_id);
1759                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1760                                              &filter, QED_SPQ_MODE_CB, NULL);
1761                 if (rc) {
1762                         DP_NOTICE(p_hwfn,
1763                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1764                                   filter.vlan, p_vf->relative_vf_id);
1765                         break;
1766                 }
1767         }
1768
1769         return rc;
1770 }
1771
1772 static int
1773 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1774                                    struct qed_vf_info *p_vf, u64 events)
1775 {
1776         int rc = 0;
1777
1778         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1779             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1780                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1781
1782         return rc;
1783 }
1784
1785 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1786                                           struct qed_vf_info *p_vf, u64 events)
1787 {
1788         int rc = 0;
1789         struct qed_filter_ucast filter;
1790
1791         if (!p_vf->vport_instance)
1792                 return -EINVAL;
1793
1794         if (events & BIT(MAC_ADDR_FORCED)) {
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
1814                 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1815         }
1816
1817         if (events & BIT(VLAN_ADDR_FORCED)) {
1818                 struct qed_sp_vport_update_params vport_update;
1819                 u8 removal;
1820                 int i;
1821
1822                 memset(&filter, 0, sizeof(filter));
1823                 filter.type = QED_FILTER_VLAN;
1824                 filter.is_rx_filter = 1;
1825                 filter.is_tx_filter = 1;
1826                 filter.vport_to_add_to = p_vf->vport_id;
1827                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1828                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1829                                               QED_FILTER_FLUSH;
1830
1831                 /* Send the ramrod */
1832                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1833                                              &filter, QED_SPQ_MODE_CB, NULL);
1834                 if (rc) {
1835                         DP_NOTICE(p_hwfn,
1836                                   "PF failed to configure VLAN for VF\n");
1837                         return rc;
1838                 }
1839
1840                 /* Update the default-vlan & silent vlan stripping */
1841                 memset(&vport_update, 0, sizeof(vport_update));
1842                 vport_update.opaque_fid = p_vf->opaque_fid;
1843                 vport_update.vport_id = p_vf->vport_id;
1844                 vport_update.update_default_vlan_enable_flg = 1;
1845                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1846                 vport_update.update_default_vlan_flg = 1;
1847                 vport_update.default_vlan = filter.vlan;
1848
1849                 vport_update.update_inner_vlan_removal_flg = 1;
1850                 removal = filter.vlan ? 1
1851                                       : p_vf->shadow_config.inner_vlan_removal;
1852                 vport_update.inner_vlan_removal_flg = removal;
1853                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1854                 rc = qed_sp_vport_update(p_hwfn,
1855                                          &vport_update,
1856                                          QED_SPQ_MODE_EBLOCK, NULL);
1857                 if (rc) {
1858                         DP_NOTICE(p_hwfn,
1859                                   "PF failed to configure VF vport for vlan\n");
1860                         return rc;
1861                 }
1862
1863                 /* Update all the Rx queues */
1864                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1865                         struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1866                         struct qed_queue_cid *p_cid = NULL;
1867
1868                         /* There can be at most 1 Rx queue on qzone. Find it */
1869                         p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1870                         if (!p_cid)
1871                                 continue;
1872
1873                         rc = qed_sp_eth_rx_queues_update(p_hwfn,
1874                                                          (void **)&p_cid,
1875                                                          1, 0, 1,
1876                                                          QED_SPQ_MODE_EBLOCK,
1877                                                          NULL);
1878                         if (rc) {
1879                                 DP_NOTICE(p_hwfn,
1880                                           "Failed to send Rx update fo queue[0x%04x]\n",
1881                                           p_cid->rel.queue_id);
1882                                 return rc;
1883                         }
1884                 }
1885
1886                 if (filter.vlan)
1887                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1888                 else
1889                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1890         }
1891
1892         /* If forced features are terminated, we need to configure the shadow
1893          * configuration back again.
1894          */
1895         if (events)
1896                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1897
1898         return rc;
1899 }
1900
1901 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1902                                        struct qed_ptt *p_ptt,
1903                                        struct qed_vf_info *vf)
1904 {
1905         struct qed_sp_vport_start_params params = { 0 };
1906         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1907         struct vfpf_vport_start_tlv *start;
1908         u8 status = PFVF_STATUS_SUCCESS;
1909         struct qed_vf_info *vf_info;
1910         u64 *p_bitmap;
1911         int sb_id;
1912         int rc;
1913
1914         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1915         if (!vf_info) {
1916                 DP_NOTICE(p_hwfn->cdev,
1917                           "Failed to get VF info, invalid vfid [%d]\n",
1918                           vf->relative_vf_id);
1919                 return;
1920         }
1921
1922         vf->state = VF_ENABLED;
1923         start = &mbx->req_virt->start_vport;
1924
1925         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1926
1927         /* Initialize Status block in CAU */
1928         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1929                 if (!start->sb_addr[sb_id]) {
1930                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1931                                    "VF[%d] did not fill the address of SB %d\n",
1932                                    vf->relative_vf_id, sb_id);
1933                         break;
1934                 }
1935
1936                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1937                                     start->sb_addr[sb_id],
1938                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1939         }
1940
1941         vf->mtu = start->mtu;
1942         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1943
1944         /* Take into consideration configuration forced by hypervisor;
1945          * If none is configured, use the supplied VF values [for old
1946          * vfs that would still be fine, since they passed '0' as padding].
1947          */
1948         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1949         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1950                 u8 vf_req = start->only_untagged;
1951
1952                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1953                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1954         }
1955
1956         params.tpa_mode = start->tpa_mode;
1957         params.remove_inner_vlan = start->inner_vlan_removal;
1958         params.tx_switching = true;
1959
1960         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1961         params.drop_ttl0 = false;
1962         params.concrete_fid = vf->concrete_fid;
1963         params.opaque_fid = vf->opaque_fid;
1964         params.vport_id = vf->vport_id;
1965         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1966         params.mtu = vf->mtu;
1967
1968         /* Non trusted VFs should enable control frame filtering */
1969         params.check_mac = !vf->p_vf_info.is_trusted_configured;
1970
1971         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1972         if (rc) {
1973                 DP_ERR(p_hwfn,
1974                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1975                 status = PFVF_STATUS_FAILURE;
1976         } else {
1977                 vf->vport_instance++;
1978
1979                 /* Force configuration if needed on the newly opened vport */
1980                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1981
1982                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1983         }
1984         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1985                              sizeof(struct pfvf_def_resp_tlv), status);
1986 }
1987
1988 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1989                                       struct qed_ptt *p_ptt,
1990                                       struct qed_vf_info *vf)
1991 {
1992         u8 status = PFVF_STATUS_SUCCESS;
1993         int rc;
1994
1995         vf->vport_instance--;
1996         vf->spoof_chk = false;
1997
1998         if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
1999             (qed_iov_validate_active_txq(p_hwfn, vf))) {
2000                 vf->b_malicious = true;
2001                 DP_NOTICE(p_hwfn,
2002                           "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
2003                           vf->abs_vf_id);
2004                 status = PFVF_STATUS_MALICIOUS;
2005                 goto out;
2006         }
2007
2008         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
2009         if (rc) {
2010                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
2011                        rc);
2012                 status = PFVF_STATUS_FAILURE;
2013         }
2014
2015         /* Forget the configuration on the vport */
2016         vf->configured_features = 0;
2017         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2018
2019 out:
2020         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2021                              sizeof(struct pfvf_def_resp_tlv), status);
2022 }
2023
2024 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2025                                           struct qed_ptt *p_ptt,
2026                                           struct qed_vf_info *vf,
2027                                           u8 status, bool b_legacy)
2028 {
2029         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2030         struct pfvf_start_queue_resp_tlv *p_tlv;
2031         struct vfpf_start_rxq_tlv *req;
2032         u16 length;
2033
2034         mbx->offset = (u8 *)mbx->reply_virt;
2035
2036         /* Taking a bigger struct instead of adding a TLV to list was a
2037          * mistake, but one which we're now stuck with, as some older
2038          * clients assume the size of the previous response.
2039          */
2040         if (!b_legacy)
2041                 length = sizeof(*p_tlv);
2042         else
2043                 length = sizeof(struct pfvf_def_resp_tlv);
2044
2045         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2046                             length);
2047         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2048                     sizeof(struct channel_list_end_tlv));
2049
2050         /* Update the TLV with the response */
2051         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2052                 req = &mbx->req_virt->start_rxq;
2053                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2054                                 offsetof(struct mstorm_vf_zone,
2055                                          non_trigger.eth_rx_queue_producers) +
2056                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
2057         }
2058
2059         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2060 }
2061
2062 static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2063                              struct qed_vf_info *p_vf, bool b_is_tx)
2064 {
2065         struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2066         struct vfpf_qid_tlv *p_qid_tlv;
2067
2068         /* Search for the qid if the VF published its going to provide it */
2069         if (!(p_vf->acquire.vfdev_info.capabilities &
2070               VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2071                 if (b_is_tx)
2072                         return QED_IOV_LEGACY_QID_TX;
2073                 else
2074                         return QED_IOV_LEGACY_QID_RX;
2075         }
2076
2077         p_qid_tlv = (struct vfpf_qid_tlv *)
2078                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2079                                              CHANNEL_TLV_QID);
2080         if (!p_qid_tlv) {
2081                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2082                            "VF[%2x]: Failed to provide qid\n",
2083                            p_vf->relative_vf_id);
2084
2085                 return QED_IOV_QID_INVALID;
2086         }
2087
2088         if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2089                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2090                            "VF[%02x]: Provided qid out-of-bounds %02x\n",
2091                            p_vf->relative_vf_id, p_qid_tlv->qid);
2092                 return QED_IOV_QID_INVALID;
2093         }
2094
2095         return p_qid_tlv->qid;
2096 }
2097
2098 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2099                                      struct qed_ptt *p_ptt,
2100                                      struct qed_vf_info *vf)
2101 {
2102         struct qed_queue_start_common_params params;
2103         struct qed_queue_cid_vf_params vf_params;
2104         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2105         u8 status = PFVF_STATUS_NO_RESOURCE;
2106         u8 qid_usage_idx, vf_legacy = 0;
2107         struct vfpf_start_rxq_tlv *req;
2108         struct qed_vf_queue *p_queue;
2109         struct qed_queue_cid *p_cid;
2110         struct qed_sb_info sb_dummy;
2111         int rc;
2112
2113         req = &mbx->req_virt->start_rxq;
2114
2115         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2116                                   QED_IOV_VALIDATE_Q_DISABLE) ||
2117             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2118                 goto out;
2119
2120         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2121         if (qid_usage_idx == QED_IOV_QID_INVALID)
2122                 goto out;
2123
2124         p_queue = &vf->vf_queues[req->rx_qid];
2125         if (p_queue->cids[qid_usage_idx].p_cid)
2126                 goto out;
2127
2128         vf_legacy = qed_vf_calculate_legacy(vf);
2129
2130         /* Acquire a new queue-cid */
2131         memset(&params, 0, sizeof(params));
2132         params.queue_id = p_queue->fw_rx_qid;
2133         params.vport_id = vf->vport_id;
2134         params.stats_id = vf->abs_vf_id + 0x10;
2135         /* Since IGU index is passed via sb_info, construct a dummy one */
2136         memset(&sb_dummy, 0, sizeof(sb_dummy));
2137         sb_dummy.igu_sb_id = req->hw_sb;
2138         params.p_sb = &sb_dummy;
2139         params.sb_idx = req->sb_index;
2140
2141         memset(&vf_params, 0, sizeof(vf_params));
2142         vf_params.vfid = vf->relative_vf_id;
2143         vf_params.vf_qid = (u8)req->rx_qid;
2144         vf_params.vf_legacy = vf_legacy;
2145         vf_params.qid_usage_idx = qid_usage_idx;
2146         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2147                                      &params, true, &vf_params);
2148         if (!p_cid)
2149                 goto out;
2150
2151         /* Legacy VFs have their Producers in a different location, which they
2152          * calculate on their own and clean the producer prior to this.
2153          */
2154         if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2155                 REG_WR(p_hwfn,
2156                        GTT_BAR0_MAP_REG_MSDM_RAM +
2157                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2158                        0);
2159
2160         rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2161                                       req->bd_max_bytes,
2162                                       req->rxq_addr,
2163                                       req->cqe_pbl_addr, req->cqe_pbl_size);
2164         if (rc) {
2165                 status = PFVF_STATUS_FAILURE;
2166                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2167         } else {
2168                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2169                 p_queue->cids[qid_usage_idx].b_is_tx = false;
2170                 status = PFVF_STATUS_SUCCESS;
2171                 vf->num_active_rxqs++;
2172         }
2173
2174 out:
2175         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2176                                       !!(vf_legacy &
2177                                          QED_QCID_LEGACY_VF_RX_PROD));
2178 }
2179
2180 static void
2181 qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2182                                struct qed_tunnel_info *p_tun,
2183                                u16 tunn_feature_mask)
2184 {
2185         p_resp->tunn_feature_mask = tunn_feature_mask;
2186         p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2187         p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2188         p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2189         p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2190         p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2191         p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2192         p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2193         p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2194         p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2195         p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2196         p_resp->geneve_udp_port = p_tun->geneve_port.port;
2197         p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2198 }
2199
2200 static void
2201 __qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2202                               struct qed_tunn_update_type *p_tun,
2203                               enum qed_tunn_mode mask, u8 tun_cls)
2204 {
2205         if (p_req->tun_mode_update_mask & BIT(mask)) {
2206                 p_tun->b_update_mode = true;
2207
2208                 if (p_req->tunn_mode & BIT(mask))
2209                         p_tun->b_mode_enabled = true;
2210         }
2211
2212         p_tun->tun_cls = tun_cls;
2213 }
2214
2215 static void
2216 qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2217                             struct qed_tunn_update_type *p_tun,
2218                             struct qed_tunn_update_udp_port *p_port,
2219                             enum qed_tunn_mode mask,
2220                             u8 tun_cls, u8 update_port, u16 port)
2221 {
2222         if (update_port) {
2223                 p_port->b_update_port = true;
2224                 p_port->port = port;
2225         }
2226
2227         __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2228 }
2229
2230 static bool
2231 qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2232 {
2233         bool b_update_requested = false;
2234
2235         if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2236             p_req->update_geneve_port || p_req->update_vxlan_port)
2237                 b_update_requested = true;
2238
2239         return b_update_requested;
2240 }
2241
2242 static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2243 {
2244         if (tun->b_update_mode && !tun->b_mode_enabled) {
2245                 tun->b_update_mode = false;
2246                 *rc = -EINVAL;
2247         }
2248 }
2249
2250 static int
2251 qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2252                                    u16 *tun_features, bool *update,
2253                                    struct qed_tunnel_info *tun_src)
2254 {
2255         struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2256         struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2257         u16 bultn_vxlan_port, bultn_geneve_port;
2258         void *cookie = p_hwfn->cdev->ops_cookie;
2259         int i, rc = 0;
2260
2261         *tun_features = p_hwfn->cdev->tunn_feature_mask;
2262         bultn_vxlan_port = tun->vxlan_port.port;
2263         bultn_geneve_port = tun->geneve_port.port;
2264         qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2265         qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2266         qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2267         qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2268         qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2269
2270         if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2271             (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2272              tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2273              tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2274              tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2275              tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2276                 tun_src->b_update_rx_cls = false;
2277                 tun_src->b_update_tx_cls = false;
2278                 rc = -EINVAL;
2279         }
2280
2281         if (tun_src->vxlan_port.b_update_port) {
2282                 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2283                         tun_src->vxlan_port.b_update_port = false;
2284                 } else {
2285                         *update = true;
2286                         bultn_vxlan_port = tun_src->vxlan_port.port;
2287                 }
2288         }
2289
2290         if (tun_src->geneve_port.b_update_port) {
2291                 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2292                         tun_src->geneve_port.b_update_port = false;
2293                 } else {
2294                         *update = true;
2295                         bultn_geneve_port = tun_src->geneve_port.port;
2296                 }
2297         }
2298
2299         qed_for_each_vf(p_hwfn, i) {
2300                 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2301                                                bultn_geneve_port);
2302         }
2303
2304         qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2305         ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2306
2307         return rc;
2308 }
2309
2310 static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2311                                              struct qed_ptt *p_ptt,
2312                                              struct qed_vf_info *p_vf)
2313 {
2314         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2315         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2316         struct pfvf_update_tunn_param_tlv *p_resp;
2317         struct vfpf_update_tunn_param_tlv *p_req;
2318         u8 status = PFVF_STATUS_SUCCESS;
2319         bool b_update_required = false;
2320         struct qed_tunnel_info tunn;
2321         u16 tunn_feature_mask = 0;
2322         int i, rc = 0;
2323
2324         mbx->offset = (u8 *)mbx->reply_virt;
2325
2326         memset(&tunn, 0, sizeof(tunn));
2327         p_req = &mbx->req_virt->tunn_param_update;
2328
2329         if (!qed_iov_pf_validate_tunn_param(p_req)) {
2330                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2331                            "No tunnel update requested by VF\n");
2332                 status = PFVF_STATUS_FAILURE;
2333                 goto send_resp;
2334         }
2335
2336         tunn.b_update_rx_cls = p_req->update_tun_cls;
2337         tunn.b_update_tx_cls = p_req->update_tun_cls;
2338
2339         qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2340                                     QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2341                                     p_req->update_vxlan_port,
2342                                     p_req->vxlan_port);
2343         qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2344                                     QED_MODE_L2GENEVE_TUNN,
2345                                     p_req->l2geneve_clss,
2346                                     p_req->update_geneve_port,
2347                                     p_req->geneve_port);
2348         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2349                                       QED_MODE_IPGENEVE_TUNN,
2350                                       p_req->ipgeneve_clss);
2351         __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2352                                       QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2353         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2354                                       QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2355
2356         /* If PF modifies VF's req then it should
2357          * still return an error in case of partial configuration
2358          * or modified configuration as opposed to requested one.
2359          */
2360         rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2361                                                 &b_update_required, &tunn);
2362
2363         if (rc)
2364                 status = PFVF_STATUS_FAILURE;
2365
2366         /* If QED client is willing to update anything ? */
2367         if (b_update_required) {
2368                 u16 geneve_port;
2369
2370                 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2371                                                QED_SPQ_MODE_EBLOCK, NULL);
2372                 if (rc)
2373                         status = PFVF_STATUS_FAILURE;
2374
2375                 geneve_port = p_tun->geneve_port.port;
2376                 qed_for_each_vf(p_hwfn, i) {
2377                         qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2378                                                        p_tun->vxlan_port.port,
2379                                                        geneve_port);
2380                 }
2381         }
2382
2383 send_resp:
2384         p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2385                              CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2386
2387         qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2388         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2389                     sizeof(struct channel_list_end_tlv));
2390
2391         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2392 }
2393
2394 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2395                                           struct qed_ptt *p_ptt,
2396                                           struct qed_vf_info *p_vf,
2397                                           u32 cid, u8 status)
2398 {
2399         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2400         struct pfvf_start_queue_resp_tlv *p_tlv;
2401         bool b_legacy = false;
2402         u16 length;
2403
2404         mbx->offset = (u8 *)mbx->reply_virt;
2405
2406         /* Taking a bigger struct instead of adding a TLV to list was a
2407          * mistake, but one which we're now stuck with, as some older
2408          * clients assume the size of the previous response.
2409          */
2410         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2411             ETH_HSI_VER_NO_PKT_LEN_TUNN)
2412                 b_legacy = true;
2413
2414         if (!b_legacy)
2415                 length = sizeof(*p_tlv);
2416         else
2417                 length = sizeof(struct pfvf_def_resp_tlv);
2418
2419         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2420                             length);
2421         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2422                     sizeof(struct channel_list_end_tlv));
2423
2424         /* Update the TLV with the response */
2425         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2426                 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2427
2428         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2429 }
2430
2431 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2432                                      struct qed_ptt *p_ptt,
2433                                      struct qed_vf_info *vf)
2434 {
2435         struct qed_queue_start_common_params params;
2436         struct qed_queue_cid_vf_params vf_params;
2437         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2438         u8 status = PFVF_STATUS_NO_RESOURCE;
2439         struct vfpf_start_txq_tlv *req;
2440         struct qed_vf_queue *p_queue;
2441         struct qed_queue_cid *p_cid;
2442         struct qed_sb_info sb_dummy;
2443         u8 qid_usage_idx, vf_legacy;
2444         u32 cid = 0;
2445         int rc;
2446         u16 pq;
2447
2448         memset(&params, 0, sizeof(params));
2449         req = &mbx->req_virt->start_txq;
2450
2451         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2452                                   QED_IOV_VALIDATE_Q_NA) ||
2453             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2454                 goto out;
2455
2456         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2457         if (qid_usage_idx == QED_IOV_QID_INVALID)
2458                 goto out;
2459
2460         p_queue = &vf->vf_queues[req->tx_qid];
2461         if (p_queue->cids[qid_usage_idx].p_cid)
2462                 goto out;
2463
2464         vf_legacy = qed_vf_calculate_legacy(vf);
2465
2466         /* Acquire a new queue-cid */
2467         params.queue_id = p_queue->fw_tx_qid;
2468         params.vport_id = vf->vport_id;
2469         params.stats_id = vf->abs_vf_id + 0x10;
2470
2471         /* Since IGU index is passed via sb_info, construct a dummy one */
2472         memset(&sb_dummy, 0, sizeof(sb_dummy));
2473         sb_dummy.igu_sb_id = req->hw_sb;
2474         params.p_sb = &sb_dummy;
2475         params.sb_idx = req->sb_index;
2476
2477         memset(&vf_params, 0, sizeof(vf_params));
2478         vf_params.vfid = vf->relative_vf_id;
2479         vf_params.vf_qid = (u8)req->tx_qid;
2480         vf_params.vf_legacy = vf_legacy;
2481         vf_params.qid_usage_idx = qid_usage_idx;
2482
2483         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2484                                      &params, false, &vf_params);
2485         if (!p_cid)
2486                 goto out;
2487
2488         pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2489         rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2490                                       req->pbl_addr, req->pbl_size, pq);
2491         if (rc) {
2492                 status = PFVF_STATUS_FAILURE;
2493                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2494         } else {
2495                 status = PFVF_STATUS_SUCCESS;
2496                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2497                 p_queue->cids[qid_usage_idx].b_is_tx = true;
2498                 cid = p_cid->cid;
2499         }
2500
2501 out:
2502         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2503 }
2504
2505 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2506                                 struct qed_vf_info *vf,
2507                                 u16 rxq_id,
2508                                 u8 qid_usage_idx, bool cqe_completion)
2509 {
2510         struct qed_vf_queue *p_queue;
2511         int rc = 0;
2512
2513         if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2514                 DP_VERBOSE(p_hwfn,
2515                            QED_MSG_IOV,
2516                            "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2517                            vf->relative_vf_id, rxq_id, qid_usage_idx);
2518                 return -EINVAL;
2519         }
2520
2521         p_queue = &vf->vf_queues[rxq_id];
2522
2523         /* We've validated the index and the existence of the active RXQ -
2524          * now we need to make sure that it's using the correct qid.
2525          */
2526         if (!p_queue->cids[qid_usage_idx].p_cid ||
2527             p_queue->cids[qid_usage_idx].b_is_tx) {
2528                 struct qed_queue_cid *p_cid;
2529
2530                 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2531                 DP_VERBOSE(p_hwfn,
2532                            QED_MSG_IOV,
2533                            "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2534                            vf->relative_vf_id,
2535                            rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2536                 return -EINVAL;
2537         }
2538
2539         /* Now that we know we have a valid Rx-queue - close it */
2540         rc = qed_eth_rx_queue_stop(p_hwfn,
2541                                    p_queue->cids[qid_usage_idx].p_cid,
2542                                    false, cqe_completion);
2543         if (rc)
2544                 return rc;
2545
2546         p_queue->cids[qid_usage_idx].p_cid = NULL;
2547         vf->num_active_rxqs--;
2548
2549         return 0;
2550 }
2551
2552 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2553                                 struct qed_vf_info *vf,
2554                                 u16 txq_id, u8 qid_usage_idx)
2555 {
2556         struct qed_vf_queue *p_queue;
2557         int rc = 0;
2558
2559         if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2560                 return -EINVAL;
2561
2562         p_queue = &vf->vf_queues[txq_id];
2563         if (!p_queue->cids[qid_usage_idx].p_cid ||
2564             !p_queue->cids[qid_usage_idx].b_is_tx)
2565                 return -EINVAL;
2566
2567         rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2568         if (rc)
2569                 return rc;
2570
2571         p_queue->cids[qid_usage_idx].p_cid = NULL;
2572         return 0;
2573 }
2574
2575 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2576                                      struct qed_ptt *p_ptt,
2577                                      struct qed_vf_info *vf)
2578 {
2579         u16 length = sizeof(struct pfvf_def_resp_tlv);
2580         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2581         u8 status = PFVF_STATUS_FAILURE;
2582         struct vfpf_stop_rxqs_tlv *req;
2583         u8 qid_usage_idx;
2584         int rc;
2585
2586         /* There has never been an official driver that used this interface
2587          * for stopping multiple queues, and it is now considered deprecated.
2588          * Validate this isn't used here.
2589          */
2590         req = &mbx->req_virt->stop_rxqs;
2591         if (req->num_rxqs != 1) {
2592                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2593                            "Odd; VF[%d] tried stopping multiple Rx queues\n",
2594                            vf->relative_vf_id);
2595                 status = PFVF_STATUS_NOT_SUPPORTED;
2596                 goto out;
2597         }
2598
2599         /* Find which qid-index is associated with the queue */
2600         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2601         if (qid_usage_idx == QED_IOV_QID_INVALID)
2602                 goto out;
2603
2604         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2605                                   qid_usage_idx, req->cqe_completion);
2606         if (!rc)
2607                 status = PFVF_STATUS_SUCCESS;
2608 out:
2609         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2610                              length, status);
2611 }
2612
2613 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2614                                      struct qed_ptt *p_ptt,
2615                                      struct qed_vf_info *vf)
2616 {
2617         u16 length = sizeof(struct pfvf_def_resp_tlv);
2618         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2619         u8 status = PFVF_STATUS_FAILURE;
2620         struct vfpf_stop_txqs_tlv *req;
2621         u8 qid_usage_idx;
2622         int rc;
2623
2624         /* There has never been an official driver that used this interface
2625          * for stopping multiple queues, and it is now considered deprecated.
2626          * Validate this isn't used here.
2627          */
2628         req = &mbx->req_virt->stop_txqs;
2629         if (req->num_txqs != 1) {
2630                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2631                            "Odd; VF[%d] tried stopping multiple Tx queues\n",
2632                            vf->relative_vf_id);
2633                 status = PFVF_STATUS_NOT_SUPPORTED;
2634                 goto out;
2635         }
2636
2637         /* Find which qid-index is associated with the queue */
2638         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2639         if (qid_usage_idx == QED_IOV_QID_INVALID)
2640                 goto out;
2641
2642         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2643         if (!rc)
2644                 status = PFVF_STATUS_SUCCESS;
2645
2646 out:
2647         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2648                              length, status);
2649 }
2650
2651 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2652                                        struct qed_ptt *p_ptt,
2653                                        struct qed_vf_info *vf)
2654 {
2655         struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2656         u16 length = sizeof(struct pfvf_def_resp_tlv);
2657         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2658         struct vfpf_update_rxq_tlv *req;
2659         u8 status = PFVF_STATUS_FAILURE;
2660         u8 complete_event_flg;
2661         u8 complete_cqe_flg;
2662         u8 qid_usage_idx;
2663         int rc;
2664         u8 i;
2665
2666         req = &mbx->req_virt->update_rxq;
2667         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2668         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2669
2670         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2671         if (qid_usage_idx == QED_IOV_QID_INVALID)
2672                 goto out;
2673
2674         /* There shouldn't exist a VF that uses queue-qids yet uses this
2675          * API with multiple Rx queues. Validate this.
2676          */
2677         if ((vf->acquire.vfdev_info.capabilities &
2678              VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2679                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2680                            "VF[%d] supports QIDs but sends multiple queues\n",
2681                            vf->relative_vf_id);
2682                 goto out;
2683         }
2684
2685         /* Validate inputs - for the legacy case this is still true since
2686          * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2687          */
2688         for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2689                 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2690                                           QED_IOV_VALIDATE_Q_NA) ||
2691                     !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2692                     vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2693                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2694                                    "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2695                                    vf->relative_vf_id, req->rx_qid,
2696                                    req->num_rxqs);
2697                         goto out;
2698                 }
2699         }
2700
2701         /* Prepare the handlers */
2702         for (i = 0; i < req->num_rxqs; i++) {
2703                 u16 qid = req->rx_qid + i;
2704
2705                 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2706         }
2707
2708         rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2709                                          req->num_rxqs,
2710                                          complete_cqe_flg,
2711                                          complete_event_flg,
2712                                          QED_SPQ_MODE_EBLOCK, NULL);
2713         if (rc)
2714                 goto out;
2715
2716         status = PFVF_STATUS_SUCCESS;
2717 out:
2718         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2719                              length, status);
2720 }
2721
2722 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2723                                void *p_tlvs_list, u16 req_type)
2724 {
2725         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2726         int len = 0;
2727
2728         do {
2729                 if (!p_tlv->length) {
2730                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2731                         return NULL;
2732                 }
2733
2734                 if (p_tlv->type == req_type) {
2735                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2736                                    "Extended tlv type %d, length %d found\n",
2737                                    p_tlv->type, p_tlv->length);
2738                         return p_tlv;
2739                 }
2740
2741                 len += p_tlv->length;
2742                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2743
2744                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2745                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2746                         return NULL;
2747                 }
2748         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2749
2750         return NULL;
2751 }
2752
2753 static void
2754 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2755                             struct qed_sp_vport_update_params *p_data,
2756                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2757 {
2758         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2759         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2760
2761         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2762                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2763         if (!p_act_tlv)
2764                 return;
2765
2766         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2767         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2768         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2769         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2770         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2771 }
2772
2773 static void
2774 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2775                              struct qed_sp_vport_update_params *p_data,
2776                              struct qed_vf_info *p_vf,
2777                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2778 {
2779         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2780         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2781
2782         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2783                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2784         if (!p_vlan_tlv)
2785                 return;
2786
2787         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2788
2789         /* Ignore the VF request if we're forcing a vlan */
2790         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2791                 p_data->update_inner_vlan_removal_flg = 1;
2792                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2793         }
2794
2795         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2796 }
2797
2798 static void
2799 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2800                             struct qed_sp_vport_update_params *p_data,
2801                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2802 {
2803         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2804         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2805
2806         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2807                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2808                                                    tlv);
2809         if (!p_tx_switch_tlv)
2810                 return;
2811
2812         p_data->update_tx_switching_flg = 1;
2813         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2814         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2815 }
2816
2817 static void
2818 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2819                                   struct qed_sp_vport_update_params *p_data,
2820                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2821 {
2822         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2823         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2824
2825         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2826             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2827         if (!p_mcast_tlv)
2828                 return;
2829
2830         p_data->update_approx_mcast_flg = 1;
2831         memcpy(p_data->bins, p_mcast_tlv->bins,
2832                sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2833         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2834 }
2835
2836 static void
2837 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2838                               struct qed_sp_vport_update_params *p_data,
2839                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2840 {
2841         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2842         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2843         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2844
2845         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2846             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2847         if (!p_accept_tlv)
2848                 return;
2849
2850         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2851         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2852         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2853         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2854         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2855 }
2856
2857 static void
2858 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2859                                   struct qed_sp_vport_update_params *p_data,
2860                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2861 {
2862         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2863         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2864
2865         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2866                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2867                                                      tlv);
2868         if (!p_accept_any_vlan)
2869                 return;
2870
2871         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2872         p_data->update_accept_any_vlan_flg =
2873                     p_accept_any_vlan->update_accept_any_vlan_flg;
2874         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2875 }
2876
2877 static void
2878 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2879                             struct qed_vf_info *vf,
2880                             struct qed_sp_vport_update_params *p_data,
2881                             struct qed_rss_params *p_rss,
2882                             struct qed_iov_vf_mbx *p_mbx,
2883                             u16 *tlvs_mask, u16 *tlvs_accepted)
2884 {
2885         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2886         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2887         bool b_reject = false;
2888         u16 table_size;
2889         u16 i, q_idx;
2890
2891         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2892                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2893         if (!p_rss_tlv) {
2894                 p_data->rss_params = NULL;
2895                 return;
2896         }
2897
2898         memset(p_rss, 0, sizeof(struct qed_rss_params));
2899
2900         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2901                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2902         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2903                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2904         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2905                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2906         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2907                                    VFPF_UPDATE_RSS_KEY_FLAG);
2908
2909         p_rss->rss_enable = p_rss_tlv->rss_enable;
2910         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2911         p_rss->rss_caps = p_rss_tlv->rss_caps;
2912         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2913         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2914
2915         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2916                            (1 << p_rss_tlv->rss_table_size_log));
2917
2918         for (i = 0; i < table_size; i++) {
2919                 struct qed_queue_cid *p_cid;
2920
2921                 q_idx = p_rss_tlv->rss_ind_table[i];
2922                 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2923                                           QED_IOV_VALIDATE_Q_ENABLE)) {
2924                         DP_VERBOSE(p_hwfn,
2925                                    QED_MSG_IOV,
2926                                    "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2927                                    vf->relative_vf_id, q_idx);
2928                         b_reject = true;
2929                         goto out;
2930                 }
2931
2932                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2933                 p_rss->rss_ind_table[i] = p_cid;
2934         }
2935
2936         p_data->rss_params = p_rss;
2937 out:
2938         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2939         if (!b_reject)
2940                 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2941 }
2942
2943 static void
2944 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2945                                 struct qed_vf_info *vf,
2946                                 struct qed_sp_vport_update_params *p_data,
2947                                 struct qed_sge_tpa_params *p_sge_tpa,
2948                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2949 {
2950         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2951         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2952
2953         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2954             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2955
2956         if (!p_sge_tpa_tlv) {
2957                 p_data->sge_tpa_params = NULL;
2958                 return;
2959         }
2960
2961         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2962
2963         p_sge_tpa->update_tpa_en_flg =
2964             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2965         p_sge_tpa->update_tpa_param_flg =
2966             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2967                 VFPF_UPDATE_TPA_PARAM_FLAG);
2968
2969         p_sge_tpa->tpa_ipv4_en_flg =
2970             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2971         p_sge_tpa->tpa_ipv6_en_flg =
2972             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2973         p_sge_tpa->tpa_pkt_split_flg =
2974             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2975         p_sge_tpa->tpa_hdr_data_split_flg =
2976             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2977         p_sge_tpa->tpa_gro_consistent_flg =
2978             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2979
2980         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2981         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2982         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2983         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2984         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2985
2986         p_data->sge_tpa_params = p_sge_tpa;
2987
2988         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2989 }
2990
2991 static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2992                                     u8 vfid,
2993                                     struct qed_sp_vport_update_params *params,
2994                                     u16 *tlvs)
2995 {
2996         u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2997         struct qed_filter_accept_flags *flags = &params->accept_flags;
2998         struct qed_public_vf_info *vf_info;
2999
3000         /* Untrusted VFs can't even be trusted to know that fact.
3001          * Simply indicate everything is configured fine, and trace
3002          * configuration 'behind their back'.
3003          */
3004         if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
3005                 return 0;
3006
3007         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3008
3009         if (flags->update_rx_mode_config) {
3010                 vf_info->rx_accept_mode = flags->rx_accept_filter;
3011                 if (!vf_info->is_trusted_configured)
3012                         flags->rx_accept_filter &= ~mask;
3013         }
3014
3015         if (flags->update_tx_mode_config) {
3016                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3017                 if (!vf_info->is_trusted_configured)
3018                         flags->tx_accept_filter &= ~mask;
3019         }
3020
3021         return 0;
3022 }
3023
3024 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3025                                         struct qed_ptt *p_ptt,
3026                                         struct qed_vf_info *vf)
3027 {
3028         struct qed_rss_params *p_rss_params = NULL;
3029         struct qed_sp_vport_update_params params;
3030         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3031         struct qed_sge_tpa_params sge_tpa_params;
3032         u16 tlvs_mask = 0, tlvs_accepted = 0;
3033         u8 status = PFVF_STATUS_SUCCESS;
3034         u16 length;
3035         int rc;
3036
3037         /* Valiate PF can send such a request */
3038         if (!vf->vport_instance) {
3039                 DP_VERBOSE(p_hwfn,
3040                            QED_MSG_IOV,
3041                            "No VPORT instance available for VF[%d], failing vport update\n",
3042                            vf->abs_vf_id);
3043                 status = PFVF_STATUS_FAILURE;
3044                 goto out;
3045         }
3046         p_rss_params = vzalloc(sizeof(*p_rss_params));
3047         if (p_rss_params == NULL) {
3048                 status = PFVF_STATUS_FAILURE;
3049                 goto out;
3050         }
3051
3052         memset(&params, 0, sizeof(params));
3053         params.opaque_fid = vf->opaque_fid;
3054         params.vport_id = vf->vport_id;
3055         params.rss_params = NULL;
3056
3057         /* Search for extended tlvs list and update values
3058          * from VF in struct qed_sp_vport_update_params.
3059          */
3060         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3061         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3062         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3063         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3064         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3065         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3066         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3067                                         &sge_tpa_params, mbx, &tlvs_mask);
3068
3069         tlvs_accepted = tlvs_mask;
3070
3071         /* Some of the extended TLVs need to be validated first; In that case,
3072          * they can update the mask without updating the accepted [so that
3073          * PF could communicate to VF it has rejected request].
3074          */
3075         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3076                                     mbx, &tlvs_mask, &tlvs_accepted);
3077
3078         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3079                                      &params, &tlvs_accepted)) {
3080                 tlvs_accepted = 0;
3081                 status = PFVF_STATUS_NOT_SUPPORTED;
3082                 goto out;
3083         }
3084
3085         if (!tlvs_accepted) {
3086                 if (tlvs_mask)
3087                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3088                                    "Upper-layer prevents VF vport configuration\n");
3089                 else
3090                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3091                                    "No feature tlvs found for vport update\n");
3092                 status = PFVF_STATUS_NOT_SUPPORTED;
3093                 goto out;
3094         }
3095
3096         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3097
3098         if (rc)
3099                 status = PFVF_STATUS_FAILURE;
3100
3101 out:
3102         vfree(p_rss_params);
3103         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3104                                                   tlvs_mask, tlvs_accepted);
3105         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3106 }
3107
3108 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3109                                          struct qed_vf_info *p_vf,
3110                                          struct qed_filter_ucast *p_params)
3111 {
3112         int i;
3113
3114         /* First remove entries and then add new ones */
3115         if (p_params->opcode == QED_FILTER_REMOVE) {
3116                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3117                         if (p_vf->shadow_config.vlans[i].used &&
3118                             p_vf->shadow_config.vlans[i].vid ==
3119                             p_params->vlan) {
3120                                 p_vf->shadow_config.vlans[i].used = false;
3121                                 break;
3122                         }
3123                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3124                         DP_VERBOSE(p_hwfn,
3125                                    QED_MSG_IOV,
3126                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3127                                    p_vf->relative_vf_id);
3128                         return -EINVAL;
3129                 }
3130         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3131                    p_params->opcode == QED_FILTER_FLUSH) {
3132                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3133                         p_vf->shadow_config.vlans[i].used = false;
3134         }
3135
3136         /* In forced mode, we're willing to remove entries - but we don't add
3137          * new ones.
3138          */
3139         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3140                 return 0;
3141
3142         if (p_params->opcode == QED_FILTER_ADD ||
3143             p_params->opcode == QED_FILTER_REPLACE) {
3144                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3145                         if (p_vf->shadow_config.vlans[i].used)
3146                                 continue;
3147
3148                         p_vf->shadow_config.vlans[i].used = true;
3149                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3150                         break;
3151                 }
3152
3153                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3154                         DP_VERBOSE(p_hwfn,
3155                                    QED_MSG_IOV,
3156                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3157                                    p_vf->relative_vf_id,
3158                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3159                         return -EINVAL;
3160                 }
3161         }
3162
3163         return 0;
3164 }
3165
3166 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3167                                         struct qed_vf_info *p_vf,
3168                                         struct qed_filter_ucast *p_params)
3169 {
3170         int i;
3171
3172         /* If we're in forced-mode, we don't allow any change */
3173         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3174                 return 0;
3175
3176         /* First remove entries and then add new ones */
3177         if (p_params->opcode == QED_FILTER_REMOVE) {
3178                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3179                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3180                                              p_params->mac)) {
3181                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3182                                 break;
3183                         }
3184                 }
3185
3186                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3187                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3188                                    "MAC isn't configured\n");
3189                         return -EINVAL;
3190                 }
3191         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3192                    p_params->opcode == QED_FILTER_FLUSH) {
3193                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3194                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3195         }
3196
3197         /* List the new MAC address */
3198         if (p_params->opcode != QED_FILTER_ADD &&
3199             p_params->opcode != QED_FILTER_REPLACE)
3200                 return 0;
3201
3202         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3203                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3204                         ether_addr_copy(p_vf->shadow_config.macs[i],
3205                                         p_params->mac);
3206                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3207                                    "Added MAC at %d entry in shadow\n", i);
3208                         break;
3209                 }
3210         }
3211
3212         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3213                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3214                 return -EINVAL;
3215         }
3216
3217         return 0;
3218 }
3219
3220 static int
3221 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3222                                  struct qed_vf_info *p_vf,
3223                                  struct qed_filter_ucast *p_params)
3224 {
3225         int rc = 0;
3226
3227         if (p_params->type == QED_FILTER_MAC) {
3228                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3229                 if (rc)
3230                         return rc;
3231         }
3232
3233         if (p_params->type == QED_FILTER_VLAN)
3234                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3235
3236         return rc;
3237 }
3238
3239 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3240                              int vfid, struct qed_filter_ucast *params)
3241 {
3242         struct qed_public_vf_info *vf;
3243
3244         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3245         if (!vf)
3246                 return -EINVAL;
3247
3248         /* No real decision to make; Store the configured MAC */
3249         if (params->type == QED_FILTER_MAC ||
3250             params->type == QED_FILTER_MAC_VLAN)
3251                 ether_addr_copy(vf->mac, params->mac);
3252
3253         return 0;
3254 }
3255
3256 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3257                                         struct qed_ptt *p_ptt,
3258                                         struct qed_vf_info *vf)
3259 {
3260         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3261         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3262         struct vfpf_ucast_filter_tlv *req;
3263         u8 status = PFVF_STATUS_SUCCESS;
3264         struct qed_filter_ucast params;
3265         int rc;
3266
3267         /* Prepare the unicast filter params */
3268         memset(&params, 0, sizeof(struct qed_filter_ucast));
3269         req = &mbx->req_virt->ucast_filter;
3270         params.opcode = (enum qed_filter_opcode)req->opcode;
3271         params.type = (enum qed_filter_ucast_type)req->type;
3272
3273         params.is_rx_filter = 1;
3274         params.is_tx_filter = 1;
3275         params.vport_to_remove_from = vf->vport_id;
3276         params.vport_to_add_to = vf->vport_id;
3277         memcpy(params.mac, req->mac, ETH_ALEN);
3278         params.vlan = req->vlan;
3279
3280         DP_VERBOSE(p_hwfn,
3281                    QED_MSG_IOV,
3282                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3283                    vf->abs_vf_id, params.opcode, params.type,
3284                    params.is_rx_filter ? "RX" : "",
3285                    params.is_tx_filter ? "TX" : "",
3286                    params.vport_to_add_to,
3287                    params.mac[0], params.mac[1],
3288                    params.mac[2], params.mac[3],
3289                    params.mac[4], params.mac[5], params.vlan);
3290
3291         if (!vf->vport_instance) {
3292                 DP_VERBOSE(p_hwfn,
3293                            QED_MSG_IOV,
3294                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3295                            vf->abs_vf_id);
3296                 status = PFVF_STATUS_FAILURE;
3297                 goto out;
3298         }
3299
3300         /* Update shadow copy of the VF configuration */
3301         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3302                 status = PFVF_STATUS_FAILURE;
3303                 goto out;
3304         }
3305
3306         /* Determine if the unicast filtering is acceptible by PF */
3307         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3308             (params.type == QED_FILTER_VLAN ||
3309              params.type == QED_FILTER_MAC_VLAN)) {
3310                 /* Once VLAN is forced or PVID is set, do not allow
3311                  * to add/replace any further VLANs.
3312                  */
3313                 if (params.opcode == QED_FILTER_ADD ||
3314                     params.opcode == QED_FILTER_REPLACE)
3315                         status = PFVF_STATUS_FORCED;
3316                 goto out;
3317         }
3318
3319         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3320             (params.type == QED_FILTER_MAC ||
3321              params.type == QED_FILTER_MAC_VLAN)) {
3322                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3323                     (params.opcode != QED_FILTER_ADD &&
3324                      params.opcode != QED_FILTER_REPLACE))
3325                         status = PFVF_STATUS_FORCED;
3326                 goto out;
3327         }
3328
3329         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3330         if (rc) {
3331                 status = PFVF_STATUS_FAILURE;
3332                 goto out;
3333         }
3334
3335         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3336                                      QED_SPQ_MODE_CB, NULL);
3337         if (rc)
3338                 status = PFVF_STATUS_FAILURE;
3339
3340 out:
3341         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3342                              sizeof(struct pfvf_def_resp_tlv), status);
3343 }
3344
3345 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3346                                        struct qed_ptt *p_ptt,
3347                                        struct qed_vf_info *vf)
3348 {
3349         int i;
3350
3351         /* Reset the SBs */
3352         for (i = 0; i < vf->num_sbs; i++)
3353                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3354                                                 vf->igu_sbs[i],
3355                                                 vf->opaque_fid, false);
3356
3357         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3358                              sizeof(struct pfvf_def_resp_tlv),
3359                              PFVF_STATUS_SUCCESS);
3360 }
3361
3362 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3363                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3364 {
3365         u16 length = sizeof(struct pfvf_def_resp_tlv);
3366         u8 status = PFVF_STATUS_SUCCESS;
3367
3368         /* Disable Interrupts for VF */
3369         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3370
3371         /* Reset Permission table */
3372         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3373
3374         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3375                              length, status);
3376 }
3377
3378 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3379                                    struct qed_ptt *p_ptt,
3380                                    struct qed_vf_info *p_vf)
3381 {
3382         u16 length = sizeof(struct pfvf_def_resp_tlv);
3383         u8 status = PFVF_STATUS_SUCCESS;
3384         int rc = 0;
3385
3386         qed_iov_vf_cleanup(p_hwfn, p_vf);
3387
3388         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3389                 /* Stopping the VF */
3390                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3391                                     p_vf->opaque_fid);
3392
3393                 if (rc) {
3394                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3395                                rc);
3396                         status = PFVF_STATUS_FAILURE;
3397                 }
3398
3399                 p_vf->state = VF_STOPPED;
3400         }
3401
3402         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3403                              length, status);
3404 }
3405
3406 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3407                                        struct qed_ptt *p_ptt,
3408                                        struct qed_vf_info *p_vf)
3409 {
3410         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3411         struct pfvf_read_coal_resp_tlv *p_resp;
3412         struct vfpf_read_coal_req_tlv *req;
3413         u8 status = PFVF_STATUS_FAILURE;
3414         struct qed_vf_queue *p_queue;
3415         struct qed_queue_cid *p_cid;
3416         u16 coal = 0, qid, i;
3417         bool b_is_rx;
3418         int rc = 0;
3419
3420         mbx->offset = (u8 *)mbx->reply_virt;
3421         req = &mbx->req_virt->read_coal_req;
3422
3423         qid = req->qid;
3424         b_is_rx = req->is_rx ? true : false;
3425
3426         if (b_is_rx) {
3427                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3428                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3429                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3430                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3431                                    p_vf->abs_vf_id, qid);
3432                         goto send_resp;
3433                 }
3434
3435                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3436                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3437                 if (rc)
3438                         goto send_resp;
3439         } else {
3440                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3441                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3442                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3443                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3444                                    p_vf->abs_vf_id, qid);
3445                         goto send_resp;
3446                 }
3447                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3448                         p_queue = &p_vf->vf_queues[qid];
3449                         if ((!p_queue->cids[i].p_cid) ||
3450                             (!p_queue->cids[i].b_is_tx))
3451                                 continue;
3452
3453                         p_cid = p_queue->cids[i].p_cid;
3454
3455                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3456                         if (rc)
3457                                 goto send_resp;
3458                         break;
3459                 }
3460         }
3461
3462         status = PFVF_STATUS_SUCCESS;
3463
3464 send_resp:
3465         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3466                              sizeof(*p_resp));
3467         p_resp->coal = coal;
3468
3469         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3470                     sizeof(struct channel_list_end_tlv));
3471
3472         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3473 }
3474
3475 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3476                                        struct qed_ptt *p_ptt,
3477                                        struct qed_vf_info *vf)
3478 {
3479         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3480         struct vfpf_update_coalesce *req;
3481         u8 status = PFVF_STATUS_FAILURE;
3482         struct qed_queue_cid *p_cid;
3483         u16 rx_coal, tx_coal;
3484         int rc = 0, i;
3485         u16 qid;
3486
3487         req = &mbx->req_virt->update_coalesce;
3488
3489         rx_coal = req->rx_coal;
3490         tx_coal = req->tx_coal;
3491         qid = req->qid;
3492
3493         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3494                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3495                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3496                            "VF[%d]: Invalid Rx queue_id = %d\n",
3497                            vf->abs_vf_id, qid);
3498                 goto out;
3499         }
3500
3501         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3502                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3503                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3504                            "VF[%d]: Invalid Tx queue_id = %d\n",
3505                            vf->abs_vf_id, qid);
3506                 goto out;
3507         }
3508
3509         DP_VERBOSE(p_hwfn,
3510                    QED_MSG_IOV,
3511                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3512                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3513
3514         if (rx_coal) {
3515                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3516
3517                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3518                 if (rc) {
3519                         DP_VERBOSE(p_hwfn,
3520                                    QED_MSG_IOV,
3521                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3522                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3523                         goto out;
3524                 }
3525                 vf->rx_coal = rx_coal;
3526         }
3527
3528         if (tx_coal) {
3529                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3530
3531                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3532                         if (!p_queue->cids[i].p_cid)
3533                                 continue;
3534
3535                         if (!p_queue->cids[i].b_is_tx)
3536                                 continue;
3537
3538                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3539                                                   p_queue->cids[i].p_cid);
3540
3541                         if (rc) {
3542                                 DP_VERBOSE(p_hwfn,
3543                                            QED_MSG_IOV,
3544                                            "VF[%d]: Unable to set tx queue coalesce\n",
3545                                            vf->abs_vf_id);
3546                                 goto out;
3547                         }
3548                 }
3549                 vf->tx_coal = tx_coal;
3550         }
3551
3552         status = PFVF_STATUS_SUCCESS;
3553 out:
3554         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3555                              sizeof(struct pfvf_def_resp_tlv), status);
3556 }
3557 static int
3558 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3559                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3560 {
3561         int cnt;
3562         u32 val;
3563
3564         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3565
3566         for (cnt = 0; cnt < 50; cnt++) {
3567                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3568                 if (!val)
3569                         break;
3570                 msleep(20);
3571         }
3572         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3573
3574         if (cnt == 50) {
3575                 DP_ERR(p_hwfn,
3576                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3577                        p_vf->abs_vf_id, val);
3578                 return -EBUSY;
3579         }
3580
3581         return 0;
3582 }
3583
3584 static int
3585 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3586                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3587 {
3588         u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
3589         int i, cnt;
3590
3591         /* Read initial consumers & producers */
3592         for (i = 0; i < MAX_NUM_VOQS; i++) {
3593                 u32 prod;
3594
3595                 cons[i] = qed_rd(p_hwfn, p_ptt,
3596                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3597                                  i * 0x40);
3598                 prod = qed_rd(p_hwfn, p_ptt,
3599                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3600                               i * 0x40);
3601                 distance[i] = prod - cons[i];
3602         }
3603
3604         /* Wait for consumers to pass the producers */
3605         i = 0;
3606         for (cnt = 0; cnt < 50; cnt++) {
3607                 for (; i < MAX_NUM_VOQS; i++) {
3608                         u32 tmp;
3609
3610                         tmp = qed_rd(p_hwfn, p_ptt,
3611                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3612                                      i * 0x40);
3613                         if (distance[i] > tmp - cons[i])
3614                                 break;
3615                 }
3616
3617                 if (i == MAX_NUM_VOQS)
3618                         break;
3619
3620                 msleep(20);
3621         }
3622
3623         if (cnt == 50) {
3624                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3625                        p_vf->abs_vf_id, i);
3626                 return -EBUSY;
3627         }
3628
3629         return 0;
3630 }
3631
3632 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3633                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3634 {
3635         int rc;
3636
3637         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3638         if (rc)
3639                 return rc;
3640
3641         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3642         if (rc)
3643                 return rc;
3644
3645         return 0;
3646 }
3647
3648 static int
3649 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3650                                struct qed_ptt *p_ptt,
3651                                u16 rel_vf_id, u32 *ack_vfs)
3652 {
3653         struct qed_vf_info *p_vf;
3654         int rc = 0;
3655
3656         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3657         if (!p_vf)
3658                 return 0;
3659
3660         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3661             (1ULL << (rel_vf_id % 64))) {
3662                 u16 vfid = p_vf->abs_vf_id;
3663
3664                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3665                            "VF[%d] - Handling FLR\n", vfid);
3666
3667                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3668
3669                 /* If VF isn't active, no need for anything but SW */
3670                 if (!p_vf->b_init)
3671                         goto cleanup;
3672
3673                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3674                 if (rc)
3675                         goto cleanup;
3676
3677                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3678                 if (rc) {
3679                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3680                         return rc;
3681                 }
3682
3683                 /* Workaround to make VF-PF channel ready, as FW
3684                  * doesn't do that as a part of FLR.
3685                  */
3686                 REG_WR(p_hwfn,
3687                        GTT_BAR0_MAP_REG_USDM_RAM +
3688                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3689
3690                 /* VF_STOPPED has to be set only after final cleanup
3691                  * but prior to re-enabling the VF.
3692                  */
3693                 p_vf->state = VF_STOPPED;
3694
3695                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3696                 if (rc) {
3697                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3698                                vfid);
3699                         return rc;
3700                 }
3701 cleanup:
3702                 /* Mark VF for ack and clean pending state */
3703                 if (p_vf->state == VF_RESET)
3704                         p_vf->state = VF_STOPPED;
3705                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3706                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3707                     ~(1ULL << (rel_vf_id % 64));
3708                 p_vf->vf_mbx.b_pending_msg = false;
3709         }
3710
3711         return rc;
3712 }
3713
3714 static int
3715 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3716 {
3717         u32 ack_vfs[VF_MAX_STATIC / 32];
3718         int rc = 0;
3719         u16 i;
3720
3721         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3722
3723         /* Since BRB <-> PRS interface can't be tested as part of the flr
3724          * polling due to HW limitations, simply sleep a bit. And since
3725          * there's no need to wait per-vf, do it before looping.
3726          */
3727         msleep(100);
3728
3729         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3730                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3731
3732         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3733         return rc;
3734 }
3735
3736 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3737 {
3738         bool found = false;
3739         u16 i;
3740
3741         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3742         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3743                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3744                            "[%08x,...,%08x]: %08x\n",
3745                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3746
3747         if (!p_hwfn->cdev->p_iov_info) {
3748                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3749                 return false;
3750         }
3751
3752         /* Mark VFs */
3753         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3754                 struct qed_vf_info *p_vf;
3755                 u8 vfid;
3756
3757                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3758                 if (!p_vf)
3759                         continue;
3760
3761                 vfid = p_vf->abs_vf_id;
3762                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3763                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3764                         u16 rel_vf_id = p_vf->relative_vf_id;
3765
3766                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3767                                    "VF[%d] [rel %d] got FLR-ed\n",
3768                                    vfid, rel_vf_id);
3769
3770                         p_vf->state = VF_RESET;
3771
3772                         /* No need to lock here, since pending_flr should
3773                          * only change here and before ACKing MFw. Since
3774                          * MFW will not trigger an additional attention for
3775                          * VF flr until ACKs, we're safe.
3776                          */
3777                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3778                         found = true;
3779                 }
3780         }
3781
3782         return found;
3783 }
3784
3785 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3786                              u16 vfid,
3787                              struct qed_mcp_link_params *p_params,
3788                              struct qed_mcp_link_state *p_link,
3789                              struct qed_mcp_link_capabilities *p_caps)
3790 {
3791         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3792                                                        vfid,
3793                                                        false);
3794         struct qed_bulletin_content *p_bulletin;
3795
3796         if (!p_vf)
3797                 return;
3798
3799         p_bulletin = p_vf->bulletin.p_virt;
3800
3801         if (p_params)
3802                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3803         if (p_link)
3804                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3805         if (p_caps)
3806                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3807 }
3808
3809 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3810                                     struct qed_ptt *p_ptt, int vfid)
3811 {
3812         struct qed_iov_vf_mbx *mbx;
3813         struct qed_vf_info *p_vf;
3814
3815         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3816         if (!p_vf)
3817                 return;
3818
3819         mbx = &p_vf->vf_mbx;
3820
3821         /* qed_iov_process_mbx_request */
3822         if (!mbx->b_pending_msg) {
3823                 DP_NOTICE(p_hwfn,
3824                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3825                           p_vf->abs_vf_id);
3826                 return;
3827         }
3828         mbx->b_pending_msg = false;
3829
3830         mbx->first_tlv = mbx->req_virt->first_tlv;
3831
3832         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3833                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3834                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3835
3836         /* check if tlv type is known */
3837         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3838             !p_vf->b_malicious) {
3839                 switch (mbx->first_tlv.tl.type) {
3840                 case CHANNEL_TLV_ACQUIRE:
3841                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3842                         break;
3843                 case CHANNEL_TLV_VPORT_START:
3844                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3845                         break;
3846                 case CHANNEL_TLV_VPORT_TEARDOWN:
3847                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3848                         break;
3849                 case CHANNEL_TLV_START_RXQ:
3850                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3851                         break;
3852                 case CHANNEL_TLV_START_TXQ:
3853                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3854                         break;
3855                 case CHANNEL_TLV_STOP_RXQS:
3856                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3857                         break;
3858                 case CHANNEL_TLV_STOP_TXQS:
3859                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3860                         break;
3861                 case CHANNEL_TLV_UPDATE_RXQ:
3862                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3863                         break;
3864                 case CHANNEL_TLV_VPORT_UPDATE:
3865                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3866                         break;
3867                 case CHANNEL_TLV_UCAST_FILTER:
3868                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3869                         break;
3870                 case CHANNEL_TLV_CLOSE:
3871                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3872                         break;
3873                 case CHANNEL_TLV_INT_CLEANUP:
3874                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3875                         break;
3876                 case CHANNEL_TLV_RELEASE:
3877                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3878                         break;
3879                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3880                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3881                         break;
3882                 case CHANNEL_TLV_COALESCE_UPDATE:
3883                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3884                         break;
3885                 case CHANNEL_TLV_COALESCE_READ:
3886                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3887                         break;
3888                 }
3889         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3890                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3891                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3892                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3893
3894                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3895                                      mbx->first_tlv.tl.type,
3896                                      sizeof(struct pfvf_def_resp_tlv),
3897                                      PFVF_STATUS_MALICIOUS);
3898         } else {
3899                 /* unknown TLV - this may belong to a VF driver from the future
3900                  * - a version written after this PF driver was written, which
3901                  * supports features unknown as of yet. Too bad since we don't
3902                  * support them. Or this may be because someone wrote a crappy
3903                  * VF driver and is sending garbage over the channel.
3904                  */
3905                 DP_NOTICE(p_hwfn,
3906                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3907                           p_vf->abs_vf_id,
3908                           mbx->first_tlv.tl.type,
3909                           mbx->first_tlv.tl.length,
3910                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3911
3912                 /* Try replying in case reply address matches the acquisition's
3913                  * posted address.
3914                  */
3915                 if (p_vf->acquire.first_tlv.reply_address &&
3916                     (mbx->first_tlv.reply_address ==
3917                      p_vf->acquire.first_tlv.reply_address)) {
3918                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3919                                              mbx->first_tlv.tl.type,
3920                                              sizeof(struct pfvf_def_resp_tlv),
3921                                              PFVF_STATUS_NOT_SUPPORTED);
3922                 } else {
3923                         DP_VERBOSE(p_hwfn,
3924                                    QED_MSG_IOV,
3925                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3926                                    p_vf->abs_vf_id);
3927                 }
3928         }
3929 }
3930
3931 void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3932 {
3933         int i;
3934
3935         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3936
3937         qed_for_each_vf(p_hwfn, i) {
3938                 struct qed_vf_info *p_vf;
3939
3940                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3941                 if (p_vf->vf_mbx.b_pending_msg)
3942                         events[i / 64] |= 1ULL << (i % 64);
3943         }
3944 }
3945
3946 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3947                                                        u16 abs_vfid)
3948 {
3949         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3950
3951         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
3952                 DP_VERBOSE(p_hwfn,
3953                            QED_MSG_IOV,
3954                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
3955                            abs_vfid);
3956                 return NULL;
3957         }
3958
3959         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
3960 }
3961
3962 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3963                               u16 abs_vfid, struct regpair *vf_msg)
3964 {
3965         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
3966                            abs_vfid);
3967
3968         if (!p_vf)
3969                 return 0;
3970
3971         /* List the physical address of the request so that handler
3972          * could later on copy the message from it.
3973          */
3974         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3975
3976         /* Mark the event and schedule the workqueue */
3977         p_vf->vf_mbx.b_pending_msg = true;
3978         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3979
3980         return 0;
3981 }
3982
3983 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
3984                                      struct malicious_vf_eqe_data *p_data)
3985 {
3986         struct qed_vf_info *p_vf;
3987
3988         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
3989
3990         if (!p_vf)
3991                 return;
3992
3993         if (!p_vf->b_malicious) {
3994                 DP_NOTICE(p_hwfn,
3995                           "VF [%d] - Malicious behavior [%02x]\n",
3996                           p_vf->abs_vf_id, p_data->err_id);
3997
3998                 p_vf->b_malicious = true;
3999         } else {
4000                 DP_INFO(p_hwfn,
4001                         "VF [%d] - Malicious behavior [%02x]\n",
4002                         p_vf->abs_vf_id, p_data->err_id);
4003         }
4004 }
4005
4006 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4007                                u8 opcode,
4008                                __le16 echo,
4009                                union event_ring_data *data, u8 fw_return_code)
4010 {
4011         switch (opcode) {
4012         case COMMON_EVENT_VF_PF_CHANNEL:
4013                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4014                                           &data->vf_pf_channel.msg_addr);
4015         case COMMON_EVENT_MALICIOUS_VF:
4016                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4017                 return 0;
4018         default:
4019                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4020                         opcode);
4021                 return -EINVAL;
4022         }
4023 }
4024
4025 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4026 {
4027         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4028         u16 i;
4029
4030         if (!p_iov)
4031                 goto out;
4032
4033         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4034                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4035                         return i;
4036
4037 out:
4038         return MAX_NUM_VFS;
4039 }
4040
4041 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4042                                int vfid)
4043 {
4044         struct qed_dmae_params params;
4045         struct qed_vf_info *vf_info;
4046
4047         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4048         if (!vf_info)
4049                 return -EINVAL;
4050
4051         memset(&params, 0, sizeof(struct qed_dmae_params));
4052         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
4053         params.src_vfid = vf_info->abs_vf_id;
4054
4055         if (qed_dmae_host2host(p_hwfn, ptt,
4056                                vf_info->vf_mbx.pending_req,
4057                                vf_info->vf_mbx.req_phys,
4058                                sizeof(union vfpf_tlvs) / 4, &params)) {
4059                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4060                            "Failed to copy message from VF 0x%02x\n", vfid);
4061
4062                 return -EIO;
4063         }
4064
4065         return 0;
4066 }
4067
4068 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4069                                             u8 *mac, int vfid)
4070 {
4071         struct qed_vf_info *vf_info;
4072         u64 feature;
4073
4074         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4075         if (!vf_info) {
4076                 DP_NOTICE(p_hwfn->cdev,
4077                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4078                 return;
4079         }
4080
4081         if (vf_info->b_malicious) {
4082                 DP_NOTICE(p_hwfn->cdev,
4083                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4084                 return;
4085         }
4086
4087         feature = 1 << MAC_ADDR_FORCED;
4088         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4089
4090         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4091         /* Forced MAC will disable MAC_ADDR */
4092         vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
4093
4094         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4095 }
4096
4097 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4098                                              u16 pvid, int vfid)
4099 {
4100         struct qed_vf_info *vf_info;
4101         u64 feature;
4102
4103         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4104         if (!vf_info) {
4105                 DP_NOTICE(p_hwfn->cdev,
4106                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4107                 return;
4108         }
4109
4110         if (vf_info->b_malicious) {
4111                 DP_NOTICE(p_hwfn->cdev,
4112                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4113                 return;
4114         }
4115
4116         feature = 1 << VLAN_ADDR_FORCED;
4117         vf_info->bulletin.p_virt->pvid = pvid;
4118         if (pvid)
4119                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4120         else
4121                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4122
4123         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4124 }
4125
4126 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4127                                     int vfid, u16 vxlan_port, u16 geneve_port)
4128 {
4129         struct qed_vf_info *vf_info;
4130
4131         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4132         if (!vf_info) {
4133                 DP_NOTICE(p_hwfn->cdev,
4134                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4135                 return;
4136         }
4137
4138         if (vf_info->b_malicious) {
4139                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4140                            "Can not set udp ports to malicious VF [%d]\n",
4141                            vfid);
4142                 return;
4143         }
4144
4145         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4146         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4147 }
4148
4149 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4150 {
4151         struct qed_vf_info *p_vf_info;
4152
4153         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4154         if (!p_vf_info)
4155                 return false;
4156
4157         return !!p_vf_info->vport_instance;
4158 }
4159
4160 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4161 {
4162         struct qed_vf_info *p_vf_info;
4163
4164         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4165         if (!p_vf_info)
4166                 return true;
4167
4168         return p_vf_info->state == VF_STOPPED;
4169 }
4170
4171 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4172 {
4173         struct qed_vf_info *vf_info;
4174
4175         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4176         if (!vf_info)
4177                 return false;
4178
4179         return vf_info->spoof_chk;
4180 }
4181
4182 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4183 {
4184         struct qed_vf_info *vf;
4185         int rc = -EINVAL;
4186
4187         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4188                 DP_NOTICE(p_hwfn,
4189                           "SR-IOV sanity check failed, can't set spoofchk\n");
4190                 goto out;
4191         }
4192
4193         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4194         if (!vf)
4195                 goto out;
4196
4197         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4198                 /* After VF VPORT start PF will configure spoof check */
4199                 vf->req_spoofchk_val = val;
4200                 rc = 0;
4201                 goto out;
4202         }
4203
4204         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4205
4206 out:
4207         return rc;
4208 }
4209
4210 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4211                                            u16 rel_vf_id)
4212 {
4213         struct qed_vf_info *p_vf;
4214
4215         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4216         if (!p_vf || !p_vf->bulletin.p_virt)
4217                 return NULL;
4218
4219         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4220                 return NULL;
4221
4222         return p_vf->bulletin.p_virt->mac;
4223 }
4224
4225 static u16
4226 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4227 {
4228         struct qed_vf_info *p_vf;
4229
4230         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4231         if (!p_vf || !p_vf->bulletin.p_virt)
4232                 return 0;
4233
4234         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4235                 return 0;
4236
4237         return p_vf->bulletin.p_virt->pvid;
4238 }
4239
4240 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4241                                      struct qed_ptt *p_ptt, int vfid, int val)
4242 {
4243         struct qed_vf_info *vf;
4244         u8 abs_vp_id = 0;
4245         int rc;
4246
4247         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4248         if (!vf)
4249                 return -EINVAL;
4250
4251         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4252         if (rc)
4253                 return rc;
4254
4255         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
4256 }
4257
4258 static int
4259 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4260 {
4261         struct qed_vf_info *vf;
4262         u8 vport_id;
4263         int i;
4264
4265         for_each_hwfn(cdev, i) {
4266                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4267
4268                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4269                         DP_NOTICE(p_hwfn,
4270                                   "SR-IOV sanity check failed, can't set min rate\n");
4271                         return -EINVAL;
4272                 }
4273         }
4274
4275         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4276         vport_id = vf->vport_id;
4277
4278         return qed_configure_vport_wfq(cdev, vport_id, rate);
4279 }
4280
4281 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4282 {
4283         struct qed_wfq_data *vf_vp_wfq;
4284         struct qed_vf_info *vf_info;
4285
4286         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4287         if (!vf_info)
4288                 return 0;
4289
4290         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4291
4292         if (vf_vp_wfq->configured)
4293                 return vf_vp_wfq->min_speed;
4294         else
4295                 return 0;
4296 }
4297
4298 /**
4299  * qed_schedule_iov - schedules IOV task for VF and PF
4300  * @hwfn: hardware function pointer
4301  * @flag: IOV flag for VF/PF
4302  */
4303 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4304 {
4305         smp_mb__before_atomic();
4306         set_bit(flag, &hwfn->iov_task_flags);
4307         smp_mb__after_atomic();
4308         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4309         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4310 }
4311
4312 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4313 {
4314         int i;
4315
4316         for_each_hwfn(cdev, i)
4317             queue_delayed_work(cdev->hwfns[i].iov_wq,
4318                                &cdev->hwfns[i].iov_task, 0);
4319 }
4320
4321 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4322 {
4323         int i, j;
4324
4325         for_each_hwfn(cdev, i)
4326             if (cdev->hwfns[i].iov_wq)
4327                 flush_workqueue(cdev->hwfns[i].iov_wq);
4328
4329         /* Mark VFs for disablement */
4330         qed_iov_set_vfs_to_disable(cdev, true);
4331
4332         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4333                 pci_disable_sriov(cdev->pdev);
4334
4335         for_each_hwfn(cdev, i) {
4336                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4337                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4338
4339                 /* Failure to acquire the ptt in 100g creates an odd error
4340                  * where the first engine has already relased IOV.
4341                  */
4342                 if (!ptt) {
4343                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4344                         return -EBUSY;
4345                 }
4346
4347                 /* Clean WFQ db and configure equal weight for all vports */
4348                 qed_clean_wfq_db(hwfn, ptt);
4349
4350                 qed_for_each_vf(hwfn, j) {
4351                         int k;
4352
4353                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4354                                 continue;
4355
4356                         /* Wait until VF is disabled before releasing */
4357                         for (k = 0; k < 100; k++) {
4358                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4359                                         msleep(20);
4360                                 else
4361                                         break;
4362                         }
4363
4364                         if (k < 100)
4365                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4366                                                           ptt, j);
4367                         else
4368                                 DP_ERR(hwfn,
4369                                        "Timeout waiting for VF's FLR to end\n");
4370                 }
4371
4372                 qed_ptt_release(hwfn, ptt);
4373         }
4374
4375         qed_iov_set_vfs_to_disable(cdev, false);
4376
4377         return 0;
4378 }
4379
4380 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4381                                         u16 vfid,
4382                                         struct qed_iov_vf_init_params *params)
4383 {
4384         u16 base, i;
4385
4386         /* Since we have an equal resource distribution per-VF, and we assume
4387          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4388          * sequentially from there.
4389          */
4390         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4391
4392         params->rel_vf_id = vfid;
4393         for (i = 0; i < params->num_queues; i++) {
4394                 params->req_rx_queue[i] = base + i;
4395                 params->req_tx_queue[i] = base + i;
4396         }
4397 }
4398
4399 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4400 {
4401         struct qed_iov_vf_init_params params;
4402         struct qed_hwfn *hwfn;
4403         struct qed_ptt *ptt;
4404         int i, j, rc;
4405
4406         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4407                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4408                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4409                 return -EINVAL;
4410         }
4411
4412         memset(&params, 0, sizeof(params));
4413
4414         /* Initialize HW for VF access */
4415         for_each_hwfn(cdev, j) {
4416                 hwfn = &cdev->hwfns[j];
4417                 ptt = qed_ptt_acquire(hwfn);
4418
4419                 /* Make sure not to use more than 16 queues per VF */
4420                 params.num_queues = min_t(int,
4421                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4422                                           16);
4423
4424                 if (!ptt) {
4425                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4426                         rc = -EBUSY;
4427                         goto err;
4428                 }
4429
4430                 for (i = 0; i < num; i++) {
4431                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4432                                 continue;
4433
4434                         qed_sriov_enable_qid_config(hwfn, i, &params);
4435                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4436                         if (rc) {
4437                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4438                                 qed_ptt_release(hwfn, ptt);
4439                                 goto err;
4440                         }
4441                 }
4442
4443                 qed_ptt_release(hwfn, ptt);
4444         }
4445
4446         /* Enable SRIOV PCIe functions */
4447         rc = pci_enable_sriov(cdev->pdev, num);
4448         if (rc) {
4449                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4450                 goto err;
4451         }
4452
4453         hwfn = QED_LEADING_HWFN(cdev);
4454         ptt = qed_ptt_acquire(hwfn);
4455         if (!ptt) {
4456                 DP_ERR(hwfn, "Failed to acquire ptt\n");
4457                 rc = -EBUSY;
4458                 goto err;
4459         }
4460
4461         rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4462         if (rc)
4463                 DP_INFO(cdev, "Failed to update eswitch mode\n");
4464         qed_ptt_release(hwfn, ptt);
4465
4466         return num;
4467
4468 err:
4469         qed_sriov_disable(cdev, false);
4470         return rc;
4471 }
4472
4473 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4474 {
4475         if (!IS_QED_SRIOV(cdev)) {
4476                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4477                 return -EOPNOTSUPP;
4478         }
4479
4480         if (num_vfs_param)
4481                 return qed_sriov_enable(cdev, num_vfs_param);
4482         else
4483                 return qed_sriov_disable(cdev, true);
4484 }
4485
4486 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4487 {
4488         int i;
4489
4490         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4491                 DP_VERBOSE(cdev, QED_MSG_IOV,
4492                            "Cannot set a VF MAC; Sriov is not enabled\n");
4493                 return -EINVAL;
4494         }
4495
4496         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4497                 DP_VERBOSE(cdev, QED_MSG_IOV,
4498                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4499                 return -EINVAL;
4500         }
4501
4502         for_each_hwfn(cdev, i) {
4503                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4504                 struct qed_public_vf_info *vf_info;
4505
4506                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4507                 if (!vf_info)
4508                         continue;
4509
4510                 /* Set the forced MAC, and schedule the IOV task */
4511                 ether_addr_copy(vf_info->forced_mac, mac);
4512                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4513         }
4514
4515         return 0;
4516 }
4517
4518 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4519 {
4520         int i;
4521
4522         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4523                 DP_VERBOSE(cdev, QED_MSG_IOV,
4524                            "Cannot set a VF MAC; Sriov is not enabled\n");
4525                 return -EINVAL;
4526         }
4527
4528         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4529                 DP_VERBOSE(cdev, QED_MSG_IOV,
4530                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4531                 return -EINVAL;
4532         }
4533
4534         for_each_hwfn(cdev, i) {
4535                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4536                 struct qed_public_vf_info *vf_info;
4537
4538                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4539                 if (!vf_info)
4540                         continue;
4541
4542                 /* Set the forced vlan, and schedule the IOV task */
4543                 vf_info->forced_vlan = vid;
4544                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4545         }
4546
4547         return 0;
4548 }
4549
4550 static int qed_get_vf_config(struct qed_dev *cdev,
4551                              int vf_id, struct ifla_vf_info *ivi)
4552 {
4553         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4554         struct qed_public_vf_info *vf_info;
4555         struct qed_mcp_link_state link;
4556         u32 tx_rate;
4557
4558         /* Sanitize request */
4559         if (IS_VF(cdev))
4560                 return -EINVAL;
4561
4562         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4563                 DP_VERBOSE(cdev, QED_MSG_IOV,
4564                            "VF index [%d] isn't active\n", vf_id);
4565                 return -EINVAL;
4566         }
4567
4568         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4569
4570         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4571
4572         /* Fill information about VF */
4573         ivi->vf = vf_id;
4574
4575         if (is_valid_ether_addr(vf_info->forced_mac))
4576                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4577         else
4578                 ether_addr_copy(ivi->mac, vf_info->mac);
4579
4580         ivi->vlan = vf_info->forced_vlan;
4581         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4582         ivi->linkstate = vf_info->link_state;
4583         tx_rate = vf_info->tx_rate;
4584         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4585         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4586
4587         return 0;
4588 }
4589
4590 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4591 {
4592         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4593         struct qed_mcp_link_capabilities caps;
4594         struct qed_mcp_link_params params;
4595         struct qed_mcp_link_state link;
4596         int i;
4597
4598         if (!hwfn->pf_iov_info)
4599                 return;
4600
4601         /* Update bulletin of all future possible VFs with link configuration */
4602         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4603                 struct qed_public_vf_info *vf_info;
4604
4605                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4606                 if (!vf_info)
4607                         continue;
4608
4609                 /* Only hwfn0 is actually interested in the link speed.
4610                  * But since only it would receive an MFW indication of link,
4611                  * need to take configuration from it - otherwise things like
4612                  * rate limiting for hwfn1 VF would not work.
4613                  */
4614                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4615                        sizeof(params));
4616                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4617                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4618                        sizeof(caps));
4619
4620                 /* Modify link according to the VF's configured link state */
4621                 switch (vf_info->link_state) {
4622                 case IFLA_VF_LINK_STATE_DISABLE:
4623                         link.link_up = false;
4624                         break;
4625                 case IFLA_VF_LINK_STATE_ENABLE:
4626                         link.link_up = true;
4627                         /* Set speed according to maximum supported by HW.
4628                          * that is 40G for regular devices and 100G for CMT
4629                          * mode devices.
4630                          */
4631                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4632                                      100000 : 40000;
4633                 default:
4634                         /* In auto mode pass PF link image to VF */
4635                         break;
4636                 }
4637
4638                 if (link.link_up && vf_info->tx_rate) {
4639                         struct qed_ptt *ptt;
4640                         int rate;
4641
4642                         rate = min_t(int, vf_info->tx_rate, link.speed);
4643
4644                         ptt = qed_ptt_acquire(hwfn);
4645                         if (!ptt) {
4646                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4647                                 return;
4648                         }
4649
4650                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4651                                 vf_info->tx_rate = rate;
4652                                 link.speed = rate;
4653                         }
4654
4655                         qed_ptt_release(hwfn, ptt);
4656                 }
4657
4658                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4659         }
4660
4661         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4662 }
4663
4664 static int qed_set_vf_link_state(struct qed_dev *cdev,
4665                                  int vf_id, int link_state)
4666 {
4667         int i;
4668
4669         /* Sanitize request */
4670         if (IS_VF(cdev))
4671                 return -EINVAL;
4672
4673         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4674                 DP_VERBOSE(cdev, QED_MSG_IOV,
4675                            "VF index [%d] isn't active\n", vf_id);
4676                 return -EINVAL;
4677         }
4678
4679         /* Handle configuration of link state */
4680         for_each_hwfn(cdev, i) {
4681                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4682                 struct qed_public_vf_info *vf;
4683
4684                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4685                 if (!vf)
4686                         continue;
4687
4688                 if (vf->link_state == link_state)
4689                         continue;
4690
4691                 vf->link_state = link_state;
4692                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4693         }
4694
4695         return 0;
4696 }
4697
4698 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4699 {
4700         int i, rc = -EINVAL;
4701
4702         for_each_hwfn(cdev, i) {
4703                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4704
4705                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4706                 if (rc)
4707                         break;
4708         }
4709
4710         return rc;
4711 }
4712
4713 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4714 {
4715         int i;
4716
4717         for_each_hwfn(cdev, i) {
4718                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4719                 struct qed_public_vf_info *vf;
4720
4721                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4722                         DP_NOTICE(p_hwfn,
4723                                   "SR-IOV sanity check failed, can't set tx rate\n");
4724                         return -EINVAL;
4725                 }
4726
4727                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4728
4729                 vf->tx_rate = rate;
4730
4731                 qed_inform_vf_link_state(p_hwfn);
4732         }
4733
4734         return 0;
4735 }
4736
4737 static int qed_set_vf_rate(struct qed_dev *cdev,
4738                            int vfid, u32 min_rate, u32 max_rate)
4739 {
4740         int rc_min = 0, rc_max = 0;
4741
4742         if (max_rate)
4743                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4744
4745         if (min_rate)
4746                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4747
4748         if (rc_max | rc_min)
4749                 return -EINVAL;
4750
4751         return 0;
4752 }
4753
4754 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4755 {
4756         int i;
4757
4758         for_each_hwfn(cdev, i) {
4759                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4760                 struct qed_public_vf_info *vf;
4761
4762                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4763                         DP_NOTICE(hwfn,
4764                                   "SR-IOV sanity check failed, can't set trust\n");
4765                         return -EINVAL;
4766                 }
4767
4768                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4769
4770                 if (vf->is_trusted_request == trust)
4771                         return 0;
4772                 vf->is_trusted_request = trust;
4773
4774                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4775         }
4776
4777         return 0;
4778 }
4779
4780 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4781 {
4782         u64 events[QED_VF_ARRAY_LENGTH];
4783         struct qed_ptt *ptt;
4784         int i;
4785
4786         ptt = qed_ptt_acquire(hwfn);
4787         if (!ptt) {
4788                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4789                            "Can't acquire PTT; re-scheduling\n");
4790                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4791                 return;
4792         }
4793
4794         qed_iov_pf_get_pending_events(hwfn, events);
4795
4796         DP_VERBOSE(hwfn, QED_MSG_IOV,
4797                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4798                    events[0], events[1], events[2]);
4799
4800         qed_for_each_vf(hwfn, i) {
4801                 /* Skip VFs with no pending messages */
4802                 if (!(events[i / 64] & (1ULL << (i % 64))))
4803                         continue;
4804
4805                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4806                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4807                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4808
4809                 /* Copy VF's message to PF's request buffer for that VF */
4810                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4811                         continue;
4812
4813                 qed_iov_process_mbx_req(hwfn, ptt, i);
4814         }
4815
4816         qed_ptt_release(hwfn, ptt);
4817 }
4818
4819 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4820 {
4821         int i;
4822
4823         qed_for_each_vf(hwfn, i) {
4824                 struct qed_public_vf_info *info;
4825                 bool update = false;
4826                 u8 *mac;
4827
4828                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4829                 if (!info)
4830                         continue;
4831
4832                 /* Update data on bulletin board */
4833                 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4834                 if (is_valid_ether_addr(info->forced_mac) &&
4835                     (!mac || !ether_addr_equal(mac, info->forced_mac))) {
4836                         DP_VERBOSE(hwfn,
4837                                    QED_MSG_IOV,
4838                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4839                                    i,
4840                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4841
4842                         /* Update bulletin board with forced MAC */
4843                         qed_iov_bulletin_set_forced_mac(hwfn,
4844                                                         info->forced_mac, i);
4845                         update = true;
4846                 }
4847
4848                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4849                     info->forced_vlan) {
4850                         DP_VERBOSE(hwfn,
4851                                    QED_MSG_IOV,
4852                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
4853                                    info->forced_vlan,
4854                                    i,
4855                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4856                         qed_iov_bulletin_set_forced_vlan(hwfn,
4857                                                          info->forced_vlan, i);
4858                         update = true;
4859                 }
4860
4861                 if (update)
4862                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4863         }
4864 }
4865
4866 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
4867 {
4868         struct qed_ptt *ptt;
4869         int i;
4870
4871         ptt = qed_ptt_acquire(hwfn);
4872         if (!ptt) {
4873                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
4874                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4875                 return;
4876         }
4877
4878         qed_for_each_vf(hwfn, i)
4879             qed_iov_post_vf_bulletin(hwfn, i, ptt);
4880
4881         qed_ptt_release(hwfn, ptt);
4882 }
4883
4884 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
4885 {
4886         struct qed_sp_vport_update_params params;
4887         struct qed_filter_accept_flags *flags;
4888         struct qed_public_vf_info *vf_info;
4889         struct qed_vf_info *vf;
4890         u8 mask;
4891         int i;
4892
4893         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
4894         flags = &params.accept_flags;
4895
4896         qed_for_each_vf(hwfn, i) {
4897                 /* Need to make sure current requested configuration didn't
4898                  * flip so that we'll end up configuring something that's not
4899                  * needed.
4900                  */
4901                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
4902                 if (vf_info->is_trusted_configured ==
4903                     vf_info->is_trusted_request)
4904                         continue;
4905                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
4906
4907                 /* Validate that the VF has a configured vport */
4908                 vf = qed_iov_get_vf_info(hwfn, i, true);
4909                 if (!vf->vport_instance)
4910                         continue;
4911
4912                 memset(&params, 0, sizeof(params));
4913                 params.opaque_fid = vf->opaque_fid;
4914                 params.vport_id = vf->vport_id;
4915
4916                 params.update_ctl_frame_check = 1;
4917                 params.mac_chk_en = !vf_info->is_trusted_configured;
4918
4919                 if (vf_info->rx_accept_mode & mask) {
4920                         flags->update_rx_mode_config = 1;
4921                         flags->rx_accept_filter = vf_info->rx_accept_mode;
4922                 }
4923
4924                 if (vf_info->tx_accept_mode & mask) {
4925                         flags->update_tx_mode_config = 1;
4926                         flags->tx_accept_filter = vf_info->tx_accept_mode;
4927                 }
4928
4929                 /* Remove if needed; Otherwise this would set the mask */
4930                 if (!vf_info->is_trusted_configured) {
4931                         flags->rx_accept_filter &= ~mask;
4932                         flags->tx_accept_filter &= ~mask;
4933                 }
4934
4935                 if (flags->update_rx_mode_config ||
4936                     flags->update_tx_mode_config ||
4937                     params.update_ctl_frame_check)
4938                         qed_sp_vport_update(hwfn, &params,
4939                                             QED_SPQ_MODE_EBLOCK, NULL);
4940         }
4941 }
4942
4943 static void qed_iov_pf_task(struct work_struct *work)
4944
4945 {
4946         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
4947                                              iov_task.work);
4948         int rc;
4949
4950         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
4951                 return;
4952
4953         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
4954                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4955
4956                 if (!ptt) {
4957                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4958                         return;
4959                 }
4960
4961                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
4962                 if (rc)
4963                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4964
4965                 qed_ptt_release(hwfn, ptt);
4966         }
4967
4968         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
4969                 qed_handle_vf_msg(hwfn);
4970
4971         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
4972                                &hwfn->iov_task_flags))
4973                 qed_handle_pf_set_vf_unicast(hwfn);
4974
4975         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
4976                                &hwfn->iov_task_flags))
4977                 qed_handle_bulletin_post(hwfn);
4978
4979         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
4980                 qed_iov_handle_trust_change(hwfn);
4981 }
4982
4983 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
4984 {
4985         int i;
4986
4987         for_each_hwfn(cdev, i) {
4988                 if (!cdev->hwfns[i].iov_wq)
4989                         continue;
4990
4991                 if (schedule_first) {
4992                         qed_schedule_iov(&cdev->hwfns[i],
4993                                          QED_IOV_WQ_STOP_WQ_FLAG);
4994                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
4995                 }
4996
4997                 flush_workqueue(cdev->hwfns[i].iov_wq);
4998                 destroy_workqueue(cdev->hwfns[i].iov_wq);
4999         }
5000 }
5001
5002 int qed_iov_wq_start(struct qed_dev *cdev)
5003 {
5004         char name[NAME_SIZE];
5005         int i;
5006
5007         for_each_hwfn(cdev, i) {
5008                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5009
5010                 /* PFs needs a dedicated workqueue only if they support IOV.
5011                  * VFs always require one.
5012                  */
5013                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5014                         continue;
5015
5016                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5017                          cdev->pdev->bus->number,
5018                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5019
5020                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5021                 if (!p_hwfn->iov_wq) {
5022                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5023                         return -ENOMEM;
5024                 }
5025
5026                 if (IS_PF(cdev))
5027                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5028                 else
5029                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5030         }
5031
5032         return 0;
5033 }
5034
5035 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5036         .configure = &qed_sriov_configure,
5037         .set_mac = &qed_sriov_pf_set_mac,
5038         .set_vlan = &qed_sriov_pf_set_vlan,
5039         .get_config = &qed_get_vf_config,
5040         .set_link_state = &qed_set_vf_link_state,
5041         .set_spoof = &qed_spoof_configure,
5042         .set_rate = &qed_set_vf_rate,
5043         .set_trust = &qed_set_vf_trust,
5044 };