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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/etherdevice.h>
  34 #include <linux/crc32.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/qed/qed_iov_if.h>
  37 #include "qed_cxt.h"
  38 #include "qed_hsi.h"
  39 #include "qed_hw.h"
  40 #include "qed_init_ops.h"
  41 #include "qed_int.h"
  42 #include "qed_mcp.h"
  43 #include "qed_reg_addr.h"
  44 #include "qed_sp.h"
  45 #include "qed_sriov.h"
  46 #include "qed_vf.h"
  47 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  48                                u8 opcode,
  49                                __le16 echo,
  50                                union event_ring_data *data, u8 fw_return_code);
  51 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
  52
  53 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  54 {
  55         u8 legacy = 0;
  56
  57         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  58             ETH_HSI_VER_NO_PKT_LEN_TUNN)
  59                 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  60
  61         if (!(p_vf->acquire.vfdev_info.capabilities &
  62               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  63                 legacy |= QED_QCID_LEGACY_VF_CID;
  64
  65         return legacy;
  66 }
  67
  68 /* IOV ramrods */
  69 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  70 {
  71         struct vf_start_ramrod_data *p_ramrod = NULL;
  72         struct qed_spq_entry *p_ent = NULL;
  73         struct qed_sp_init_data init_data;
  74         int rc = -EINVAL;
  75         u8 fp_minor;
  76
  77         /* Get SPQ entry */
  78         memset(&init_data, 0, sizeof(init_data));
  79         init_data.cid = qed_spq_get_cid(p_hwfn);
  80         init_data.opaque_fid = p_vf->opaque_fid;
  81         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  82
  83         rc = qed_sp_init_request(p_hwfn, &p_ent,
  84                                  COMMON_RAMROD_VF_START,
  85                                  PROTOCOLID_COMMON, &init_data);
  86         if (rc)
  87                 return rc;
  88
  89         p_ramrod = &p_ent->ramrod.vf_start;
  90
  91         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  92         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  93
  94         switch (p_hwfn->hw_info.personality) {
  95         case QED_PCI_ETH:
  96                 p_ramrod->personality = PERSONALITY_ETH;
  97                 break;
  98         case QED_PCI_ETH_ROCE:
  99         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                 qed_sp_destroy_request(p_hwfn, p_ent);
 106                 return -EINVAL;
 107         }
 108
 109         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
 110         if (fp_minor > ETH_HSI_VER_MINOR &&
 111             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
 112                 DP_VERBOSE(p_hwfn,
 113                            QED_MSG_IOV,
 114                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
 115                            p_vf->abs_vf_id,
 116                            ETH_HSI_VER_MAJOR,
 117                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
 118                 fp_minor = ETH_HSI_VER_MINOR;
 119         }
 120
 121         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
 122         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
 123
 124         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 125                    "VF[%d] - Starting using HSI %02x.%02x\n",
 126                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 127
 128         return qed_spq_post(p_hwfn, p_ent, NULL);
 129 }
 130
 131 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 132                           u32 concrete_vfid, u16 opaque_vfid)
 133 {
 134         struct vf_stop_ramrod_data *p_ramrod = NULL;
 135         struct qed_spq_entry *p_ent = NULL;
 136         struct qed_sp_init_data init_data;
 137         int rc = -EINVAL;
 138
 139         /* Get SPQ entry */
 140         memset(&init_data, 0, sizeof(init_data));
 141         init_data.cid = qed_spq_get_cid(p_hwfn);
 142         init_data.opaque_fid = opaque_vfid;
 143         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 144
 145         rc = qed_sp_init_request(p_hwfn, &p_ent,
 146                                  COMMON_RAMROD_VF_STOP,
 147                                  PROTOCOLID_COMMON, &init_data);
 148         if (rc)
 149                 return rc;
 150
 151         p_ramrod = &p_ent->ramrod.vf_stop;
 152
 153         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 154
 155         return qed_spq_post(p_hwfn, p_ent, NULL);
 156 }
 157
 158 bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 159                            int rel_vf_id,
 160                            bool b_enabled_only, bool b_non_malicious)
 161 {
 162         if (!p_hwfn->pf_iov_info) {
 163                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 164                 return false;
 165         }
 166
 167         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 168             (rel_vf_id < 0))
 169                 return false;
 170
 171         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 172             b_enabled_only)
 173                 return false;
 174
 175         if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 176             b_non_malicious)
 177                 return false;
 178
 179         return true;
 180 }
 181
 182 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 183                                                u16 relative_vf_id,
 184                                                bool b_enabled_only)
 185 {
 186         struct qed_vf_info *vf = NULL;
 187
 188         if (!p_hwfn->pf_iov_info) {
 189                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 190                 return NULL;
 191         }
 192
 193         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 194                                   b_enabled_only, false))
 195                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 196         else
 197                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 198                        relative_vf_id);
 199
 200         return vf;
 201 }
 202
 203 static struct qed_queue_cid *
 204 qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 205 {
 206         int i;
 207
 208         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 209                 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 210                         return p_queue->cids[i].p_cid;
 211         }
 212
 213         return NULL;
 214 }
 215
 216 enum qed_iov_validate_q_mode {
 217         QED_IOV_VALIDATE_Q_NA,
 218         QED_IOV_VALIDATE_Q_ENABLE,
 219         QED_IOV_VALIDATE_Q_DISABLE,
 220 };
 221
 222 static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 223                                         struct qed_vf_info *p_vf,
 224                                         u16 qid,
 225                                         enum qed_iov_validate_q_mode mode,
 226                                         bool b_is_tx)
 227 {
 228         int i;
 229
 230         if (mode == QED_IOV_VALIDATE_Q_NA)
 231                 return true;
 232
 233         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 234                 struct qed_vf_queue_cid *p_qcid;
 235
 236                 p_qcid = &p_vf->vf_queues[qid].cids[i];
 237
 238                 if (!p_qcid->p_cid)
 239                         continue;
 240
 241                 if (p_qcid->b_is_tx != b_is_tx)
 242                         continue;
 243
 244                 return mode == QED_IOV_VALIDATE_Q_ENABLE;
 245         }
 246
 247         /* In case we haven't found any valid cid, then its disabled */
 248         return mode == QED_IOV_VALIDATE_Q_DISABLE;
 249 }
 250
 251 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 252                                  struct qed_vf_info *p_vf,
 253                                  u16 rx_qid,
 254                                  enum qed_iov_validate_q_mode mode)
 255 {
 256         if (rx_qid >= p_vf->num_rxqs) {
 257                 DP_VERBOSE(p_hwfn,
 258                            QED_MSG_IOV,
 259                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 260                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 261                 return false;
 262         }
 263
 264         return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 265 }
 266
 267 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 268                                  struct qed_vf_info *p_vf,
 269                                  u16 tx_qid,
 270                                  enum qed_iov_validate_q_mode mode)
 271 {
 272         if (tx_qid >= p_vf->num_txqs) {
 273                 DP_VERBOSE(p_hwfn,
 274                            QED_MSG_IOV,
 275                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 276                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 277                 return false;
 278         }
 279
 280         return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 281 }
 282
 283 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 284                                 struct qed_vf_info *p_vf, u16 sb_idx)
 285 {
 286         int i;
 287
 288         for (i = 0; i < p_vf->num_sbs; i++)
 289                 if (p_vf->igu_sbs[i] == sb_idx)
 290                         return true;
 291
 292         DP_VERBOSE(p_hwfn,
 293                    QED_MSG_IOV,
 294                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 295                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 296
 297         return false;
 298 }
 299
 300 static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 301                                         struct qed_vf_info *p_vf)
 302 {
 303         u8 i;
 304
 305         for (i = 0; i < p_vf->num_rxqs; i++)
 306                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 307                                                 QED_IOV_VALIDATE_Q_ENABLE,
 308                                                 false))
 309                         return true;
 310
 311         return false;
 312 }
 313
 314 static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 315                                         struct qed_vf_info *p_vf)
 316 {
 317         u8 i;
 318
 319         for (i = 0; i < p_vf->num_txqs; i++)
 320                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 321                                                 QED_IOV_VALIDATE_Q_ENABLE,
 322                                                 true))
 323                         return true;
 324
 325         return false;
 326 }
 327
 328 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 329                                     int vfid, struct qed_ptt *p_ptt)
 330 {
 331         struct qed_bulletin_content *p_bulletin;
 332         int crc_size = sizeof(p_bulletin->crc);
 333         struct qed_dmae_params params;
 334         struct qed_vf_info *p_vf;
 335
 336         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 337         if (!p_vf)
 338                 return -EINVAL;
 339
 340         if (!p_vf->vf_bulletin)
 341                 return -EINVAL;
 342
 343         p_bulletin = p_vf->bulletin.p_virt;
 344
 345         /* Increment bulletin board version and compute crc */
 346         p_bulletin->version++;
 347         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 348                                 p_vf->bulletin.size - crc_size);
 349
 350         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 351                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 352                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 353
 354         /* propagate bulletin board via dmae to vm memory */
 355         memset(&params, 0, sizeof(params));
 356         params.flags = QED_DMAE_FLAG_VF_DST;
 357         params.dst_vfid = p_vf->abs_vf_id;
 358         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 359                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 360                                   &params);
 361 }
 362
 363 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 364 {
 365         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 366         int pos = iov->pos;
 367
 368         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 369         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 370
 371         pci_read_config_word(cdev->pdev,
 372                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 373         pci_read_config_word(cdev->pdev,
 374                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 375
 376         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 377         if (iov->num_vfs) {
 378                 DP_VERBOSE(cdev,
 379                            QED_MSG_IOV,
 380                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 381                 iov->num_vfs = 0;
 382         }
 383
 384         pci_read_config_word(cdev->pdev,
 385                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 386
 387         pci_read_config_word(cdev->pdev,
 388                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 389
 390         pci_read_config_word(cdev->pdev,
 391                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 392
 393         pci_read_config_dword(cdev->pdev,
 394                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 395
 396         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 397
 398         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 399
 400         DP_VERBOSE(cdev,
 401                    QED_MSG_IOV,
 402                    "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",
 403                    iov->nres,
 404                    iov->cap,
 405                    iov->ctrl,
 406                    iov->total_vfs,
 407                    iov->initial_vfs,
 408                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 409
 410         /* Some sanity checks */
 411         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 412             iov->total_vfs > NUM_OF_VFS(cdev)) {
 413                 /* This can happen only due to a bug. In this case we set
 414                  * num_vfs to zero to avoid memory corruption in the code that
 415                  * assumes max number of vfs
 416                  */
 417                 DP_NOTICE(cdev,
 418                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 419                           iov->num_vfs);
 420
 421                 iov->num_vfs = 0;
 422                 iov->total_vfs = 0;
 423         }
 424
 425         return 0;
 426 }
 427
 428 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 429 {
 430         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 431         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 432         struct qed_bulletin_content *p_bulletin_virt;
 433         dma_addr_t req_p, rply_p, bulletin_p;
 434         union pfvf_tlvs *p_reply_virt_addr;
 435         union vfpf_tlvs *p_req_virt_addr;
 436         u8 idx = 0;
 437
 438         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 439
 440         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 441         req_p = p_iov_info->mbx_msg_phys_addr;
 442         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 443         rply_p = p_iov_info->mbx_reply_phys_addr;
 444         p_bulletin_virt = p_iov_info->p_bulletins;
 445         bulletin_p = p_iov_info->bulletins_phys;
 446         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 447                 DP_ERR(p_hwfn,
 448                        "qed_iov_setup_vfdb called without allocating mem first\n");
 449                 return;
 450         }
 451
 452         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 453                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 454                 u32 concrete;
 455
 456                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 457                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 458                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 459                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 460
 461                 vf->state = VF_STOPPED;
 462                 vf->b_init = false;
 463
 464                 vf->bulletin.phys = idx *
 465                                     sizeof(struct qed_bulletin_content) +
 466                                     bulletin_p;
 467                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 468                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 469
 470                 vf->relative_vf_id = idx;
 471                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 472                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 473                 vf->concrete_fid = concrete;
 474                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 475                                  (vf->abs_vf_id << 8);
 476                 vf->vport_id = idx + 1;
 477
 478                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 479                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 480         }
 481 }
 482
 483 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 484 {
 485         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 486         void **p_v_addr;
 487         u16 num_vfs = 0;
 488
 489         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 490
 491         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 492                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 493
 494         /* Allocate PF Mailbox buffer (per-VF) */
 495         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 496         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 497         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 498                                        p_iov_info->mbx_msg_size,
 499                                        &p_iov_info->mbx_msg_phys_addr,
 500                                        GFP_KERNEL);
 501         if (!*p_v_addr)
 502                 return -ENOMEM;
 503
 504         /* Allocate PF Mailbox Reply buffer (per-VF) */
 505         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 506         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 507         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 508                                        p_iov_info->mbx_reply_size,
 509                                        &p_iov_info->mbx_reply_phys_addr,
 510                                        GFP_KERNEL);
 511         if (!*p_v_addr)
 512                 return -ENOMEM;
 513
 514         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 515                                      num_vfs;
 516         p_v_addr = &p_iov_info->p_bulletins;
 517         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 518                                        p_iov_info->bulletins_size,
 519                                        &p_iov_info->bulletins_phys,
 520                                        GFP_KERNEL);
 521         if (!*p_v_addr)
 522                 return -ENOMEM;
 523
 524         DP_VERBOSE(p_hwfn,
 525                    QED_MSG_IOV,
 526                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 527                    p_iov_info->mbx_msg_virt_addr,
 528                    (u64) p_iov_info->mbx_msg_phys_addr,
 529                    p_iov_info->mbx_reply_virt_addr,
 530                    (u64) p_iov_info->mbx_reply_phys_addr,
 531                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 532
 533         return 0;
 534 }
 535
 536 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 537 {
 538         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 539
 540         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 541                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 542                                   p_iov_info->mbx_msg_size,
 543                                   p_iov_info->mbx_msg_virt_addr,
 544                                   p_iov_info->mbx_msg_phys_addr);
 545
 546         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 547                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 548                                   p_iov_info->mbx_reply_size,
 549                                   p_iov_info->mbx_reply_virt_addr,
 550                                   p_iov_info->mbx_reply_phys_addr);
 551
 552         if (p_iov_info->p_bulletins)
 553                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 554                                   p_iov_info->bulletins_size,
 555                                   p_iov_info->p_bulletins,
 556                                   p_iov_info->bulletins_phys);
 557 }
 558
 559 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 560 {
 561         struct qed_pf_iov *p_sriov;
 562
 563         if (!IS_PF_SRIOV(p_hwfn)) {
 564                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 565                            "No SR-IOV - no need for IOV db\n");
 566                 return 0;
 567         }
 568
 569         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 570         if (!p_sriov)
 571                 return -ENOMEM;
 572
 573         p_hwfn->pf_iov_info = p_sriov;
 574
 575         qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 576                                   qed_sriov_eqe_event);
 577
 578         return qed_iov_allocate_vfdb(p_hwfn);
 579 }
 580
 581 void qed_iov_setup(struct qed_hwfn *p_hwfn)
 582 {
 583         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 584                 return;
 585
 586         qed_iov_setup_vfdb(p_hwfn);
 587 }
 588
 589 void qed_iov_free(struct qed_hwfn *p_hwfn)
 590 {
 591         qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 592
 593         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 594                 qed_iov_free_vfdb(p_hwfn);
 595                 kfree(p_hwfn->pf_iov_info);
 596         }
 597 }
 598
 599 void qed_iov_free_hw_info(struct qed_dev *cdev)
 600 {
 601         kfree(cdev->p_iov_info);
 602         cdev->p_iov_info = NULL;
 603 }
 604
 605 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 606 {
 607         struct qed_dev *cdev = p_hwfn->cdev;
 608         int pos;
 609         int rc;
 610
 611         if (IS_VF(p_hwfn->cdev))
 612                 return 0;
 613
 614         /* Learn the PCI configuration */
 615         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 616                                       PCI_EXT_CAP_ID_SRIOV);
 617         if (!pos) {
 618                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 619                 return 0;
 620         }
 621
 622         /* Allocate a new struct for IOV information */
 623         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 624         if (!cdev->p_iov_info)
 625                 return -ENOMEM;
 626
 627         cdev->p_iov_info->pos = pos;
 628
 629         rc = qed_iov_pci_cfg_info(cdev);
 630         if (rc)
 631                 return rc;
 632
 633         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 634          * In case the capability is published but there are no VFs, simply
 635          * de-allocate the struct.
 636          */
 637         if (!cdev->p_iov_info->total_vfs) {
 638                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 639                            "IOV capabilities, but no VFs are published\n");
 640                 kfree(cdev->p_iov_info);
 641                 cdev->p_iov_info = NULL;
 642                 return 0;
 643         }
 644
 645         /* First VF index based on offset is tricky:
 646          *  - If ARI is supported [likely], offset - (16 - pf_id) would
 647          *    provide the number for eng0. 2nd engine Vfs would begin
 648          *    after the first engine's VFs.
 649          *  - If !ARI, VFs would start on next device.
 650          *    so offset - (256 - pf_id) would provide the number.
 651          * Utilize the fact that (256 - pf_id) is achieved only by later
 652          * to differentiate between the two.
 653          */
 654
 655         if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 656                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 657                             p_hwfn->abs_pf_id - 16;
 658
 659                 cdev->p_iov_info->first_vf_in_pf = first;
 660
 661                 if (QED_PATH_ID(p_hwfn))
 662                         cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 663         } else {
 664                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 665                             p_hwfn->abs_pf_id - 256;
 666
 667                 cdev->p_iov_info->first_vf_in_pf = first;
 668         }
 669
 670         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 671                    "First VF in hwfn 0x%08x\n",
 672                    cdev->p_iov_info->first_vf_in_pf);
 673
 674         return 0;
 675 }
 676
 677 static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 678                                      int vfid, bool b_fail_malicious)
 679 {
 680         /* Check PF supports sriov */
 681         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 682             !IS_PF_SRIOV_ALLOC(p_hwfn))
 683                 return false;
 684
 685         /* Check VF validity */
 686         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 687                 return false;
 688
 689         return true;
 690 }
 691
 692 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 693 {
 694         return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 695 }
 696
 697 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 698                                       u16 rel_vf_id, u8 to_disable)
 699 {
 700         struct qed_vf_info *vf;
 701         int i;
 702
 703         for_each_hwfn(cdev, i) {
 704                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 705
 706                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 707                 if (!vf)
 708                         continue;
 709
 710                 vf->to_disable = to_disable;
 711         }
 712 }
 713
 714 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 715 {
 716         u16 i;
 717
 718         if (!IS_QED_SRIOV(cdev))
 719                 return;
 720
 721         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 722                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 723 }
 724
 725 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 726                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 727 {
 728         qed_wr(p_hwfn, p_ptt,
 729                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 730                1 << (abs_vfid & 0x1f));
 731 }
 732
 733 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 734                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 735 {
 736         int i;
 737
 738         /* Set VF masks and configuration - pretend */
 739         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 740
 741         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 742
 743         /* unpretend */
 744         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 745
 746         /* iterate over all queues, clear sb consumer */
 747         for (i = 0; i < vf->num_sbs; i++)
 748                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 749                                                 vf->igu_sbs[i],
 750                                                 vf->opaque_fid, true);
 751 }
 752
 753 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 754                                    struct qed_ptt *p_ptt,
 755                                    struct qed_vf_info *vf, bool enable)
 756 {
 757         u32 igu_vf_conf;
 758
 759         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 760
 761         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 762
 763         if (enable)
 764                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 765         else
 766                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 767
 768         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 769
 770         /* unpretend */
 771         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 772 }
 773
 774 static int
 775 qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 776                               struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 777 {
 778         u8 current_max = 0;
 779         int i;
 780
 781         /* For AH onward, configuration is per-PF. Find maximum of all
 782          * the currently enabled child VFs, and set the number to be that.
 783          */
 784         if (!QED_IS_BB(p_hwfn->cdev)) {
 785                 qed_for_each_vf(p_hwfn, i) {
 786                         struct qed_vf_info *p_vf;
 787
 788                         p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 789                         if (!p_vf)
 790                                 continue;
 791
 792                         current_max = max_t(u8, current_max, p_vf->num_sbs);
 793                 }
 794         }
 795
 796         if (num_sbs > current_max)
 797                 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 798                                               abs_vf_id, num_sbs);
 799
 800         return 0;
 801 }
 802
 803 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 804                                     struct qed_ptt *p_ptt,
 805                                     struct qed_vf_info *vf)
 806 {
 807         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 808         int rc;
 809
 810         /* It's possible VF was previously considered malicious -
 811          * clear the indication even if we're only going to disable VF.
 812          */
 813         vf->b_malicious = false;
 814
 815         if (vf->to_disable)
 816                 return 0;
 817
 818         DP_VERBOSE(p_hwfn,
 819                    QED_MSG_IOV,
 820                    "Enable internal access for vf %x [abs %x]\n",
 821                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 822
 823         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 824
 825         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 826
 827         rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 828                                            vf->abs_vf_id, vf->num_sbs);
 829         if (rc)
 830                 return rc;
 831
 832         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 833
 834         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 835         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 836
 837         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 838                      p_hwfn->hw_info.hw_mode);
 839
 840         /* unpretend */
 841         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 842
 843         vf->state = VF_FREE;
 844
 845         return rc;
 846 }
 847
 848 /**
 849  * @brief qed_iov_config_perm_table - configure the permission
 850  *      zone table.
 851  *      In E4, queue zone permission table size is 320x9. There
 852  *      are 320 VF queues for single engine device (256 for dual
 853  *      engine device), and each entry has the following format:
 854  *      {Valid, VF[7:0]}
 855  * @param p_hwfn
 856  * @param p_ptt
 857  * @param vf
 858  * @param enable
 859  */
 860 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 861                                       struct qed_ptt *p_ptt,
 862                                       struct qed_vf_info *vf, u8 enable)
 863 {
 864         u32 reg_addr, val;
 865         u16 qzone_id = 0;
 866         int qid;
 867
 868         for (qid = 0; qid < vf->num_rxqs; qid++) {
 869                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 870                                 &qzone_id);
 871
 872                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 873                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 874                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 875         }
 876 }
 877
 878 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 879                                       struct qed_ptt *p_ptt,
 880                                       struct qed_vf_info *vf)
 881 {
 882         /* Reset vf in IGU - interrupts are still disabled */
 883         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 884
 885         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 886
 887         /* Permission Table */
 888         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 889 }
 890
 891 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 892                                    struct qed_ptt *p_ptt,
 893                                    struct qed_vf_info *vf, u16 num_rx_queues)
 894 {
 895         struct qed_igu_block *p_block;
 896         struct cau_sb_entry sb_entry;
 897         int qid = 0;
 898         u32 val = 0;
 899
 900         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 901                 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 902         p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 903
 904         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 905         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 906         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 907
 908         for (qid = 0; qid < num_rx_queues; qid++) {
 909                 p_block = qed_get_igu_free_sb(p_hwfn, false);
 910                 vf->igu_sbs[qid] = p_block->igu_sb_id;
 911                 p_block->status &= ~QED_IGU_STATUS_FREE;
 912                 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 913
 914                 qed_wr(p_hwfn, p_ptt,
 915                        IGU_REG_MAPPING_MEMORY +
 916                        sizeof(u32) * p_block->igu_sb_id, val);
 917
 918                 /* Configure igu sb in CAU which were marked valid */
 919                 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 920                                       p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 921                 qed_dmae_host2grc(p_hwfn, p_ptt,
 922                                   (u64)(uintptr_t)&sb_entry,
 923                                   CAU_REG_SB_VAR_MEMORY +
 924                                   p_block->igu_sb_id * sizeof(u64), 2, 0);
 925         }
 926
 927         vf->num_sbs = (u8) num_rx_queues;
 928
 929         return vf->num_sbs;
 930 }
 931
 932 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 933                                     struct qed_ptt *p_ptt,
 934                                     struct qed_vf_info *vf)
 935 {
 936         struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 937         int idx, igu_id;
 938         u32 addr, val;
 939
 940         /* Invalidate igu CAM lines and mark them as free */
 941         for (idx = 0; idx < vf->num_sbs; idx++) {
 942                 igu_id = vf->igu_sbs[idx];
 943                 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 944
 945                 val = qed_rd(p_hwfn, p_ptt, addr);
 946                 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 947                 qed_wr(p_hwfn, p_ptt, addr, val);
 948
 949                 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
 950                 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
 951         }
 952
 953         vf->num_sbs = 0;
 954 }
 955
 956 static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 957                              u16 vfid,
 958                              struct qed_mcp_link_params *params,
 959                              struct qed_mcp_link_state *link,
 960                              struct qed_mcp_link_capabilities *p_caps)
 961 {
 962         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 963                                                        vfid,
 964                                                        false);
 965         struct qed_bulletin_content *p_bulletin;
 966
 967         if (!p_vf)
 968                 return;
 969
 970         p_bulletin = p_vf->bulletin.p_virt;
 971         p_bulletin->req_autoneg = params->speed.autoneg;
 972         p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 973         p_bulletin->req_forced_speed = params->speed.forced_speed;
 974         p_bulletin->req_autoneg_pause = params->pause.autoneg;
 975         p_bulletin->req_forced_rx = params->pause.forced_rx;
 976         p_bulletin->req_forced_tx = params->pause.forced_tx;
 977         p_bulletin->req_loopback = params->loopback_mode;
 978
 979         p_bulletin->link_up = link->link_up;
 980         p_bulletin->speed = link->speed;
 981         p_bulletin->full_duplex = link->full_duplex;
 982         p_bulletin->autoneg = link->an;
 983         p_bulletin->autoneg_complete = link->an_complete;
 984         p_bulletin->parallel_detection = link->parallel_detection;
 985         p_bulletin->pfc_enabled = link->pfc_enabled;
 986         p_bulletin->partner_adv_speed = link->partner_adv_speed;
 987         p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 988         p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 989         p_bulletin->partner_adv_pause = link->partner_adv_pause;
 990         p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 991
 992         p_bulletin->capability_speed = p_caps->speed_capabilities;
 993 }
 994
 995 static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 996                                   struct qed_ptt *p_ptt,
 997                                   struct qed_iov_vf_init_params *p_params)
 998 {
 999         struct qed_mcp_link_capabilities link_caps;
1000         struct qed_mcp_link_params link_params;
1001         struct qed_mcp_link_state link_state;
1002         u8 num_of_vf_avaiable_chains = 0;
1003         struct qed_vf_info *vf = NULL;
1004         u16 qid, num_irqs;
1005         int rc = 0;
1006         u32 cids;
1007         u8 i;
1008
1009         vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
1010         if (!vf) {
1011                 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
1012                 return -EINVAL;
1013         }
1014
1015         if (vf->b_init) {
1016                 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
1017                           p_params->rel_vf_id);
1018                 return -EINVAL;
1019         }
1020
1021         /* Perform sanity checking on the requested queue_id */
1022         for (i = 0; i < p_params->num_queues; i++) {
1023                 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1024                 u16 max_vf_qzone = min_vf_qzone +
1025                     FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1026
1027                 qid = p_params->req_rx_queue[i];
1028                 if (qid < min_vf_qzone || qid > max_vf_qzone) {
1029                         DP_NOTICE(p_hwfn,
1030                                   "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1031                                   qid,
1032                                   p_params->rel_vf_id,
1033                                   min_vf_qzone, max_vf_qzone);
1034                         return -EINVAL;
1035                 }
1036
1037                 qid = p_params->req_tx_queue[i];
1038                 if (qid > max_vf_qzone) {
1039                         DP_NOTICE(p_hwfn,
1040                                   "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1041                                   qid, p_params->rel_vf_id, max_vf_qzone);
1042                         return -EINVAL;
1043                 }
1044
1045                 /* If client *really* wants, Tx qid can be shared with PF */
1046                 if (qid < min_vf_qzone)
1047                         DP_VERBOSE(p_hwfn,
1048                                    QED_MSG_IOV,
1049                                    "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1050                                    p_params->rel_vf_id, qid, i);
1051         }
1052
1053         /* Limit number of queues according to number of CIDs */
1054         qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1055         DP_VERBOSE(p_hwfn,
1056                    QED_MSG_IOV,
1057                    "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
1058                    vf->relative_vf_id, p_params->num_queues, (u16)cids);
1059         num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1060
1061         num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1062                                                              p_ptt,
1063                                                              vf, num_irqs);
1064         if (!num_of_vf_avaiable_chains) {
1065                 DP_ERR(p_hwfn, "no available igu sbs\n");
1066                 return -ENOMEM;
1067         }
1068
1069         /* Choose queue number and index ranges */
1070         vf->num_rxqs = num_of_vf_avaiable_chains;
1071         vf->num_txqs = num_of_vf_avaiable_chains;
1072
1073         for (i = 0; i < vf->num_rxqs; i++) {
1074                 struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1075
1076                 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1077                 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1078
1079                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1080                            "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1081                            vf->relative_vf_id, i, vf->igu_sbs[i],
1082                            p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1083         }
1084
1085         /* Update the link configuration in bulletin */
1086         memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1087                sizeof(link_params));
1088         memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1089         memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1090                sizeof(link_caps));
1091         qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1092                          &link_params, &link_state, &link_caps);
1093
1094         rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1095         if (!rc) {
1096                 vf->b_init = true;
1097
1098                 if (IS_LEAD_HWFN(p_hwfn))
1099                         p_hwfn->cdev->p_iov_info->num_vfs++;
1100         }
1101
1102         return rc;
1103 }
1104
1105 static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1106                                      struct qed_ptt *p_ptt, u16 rel_vf_id)
1107 {
1108         struct qed_mcp_link_capabilities caps;
1109         struct qed_mcp_link_params params;
1110         struct qed_mcp_link_state link;
1111         struct qed_vf_info *vf = NULL;
1112
1113         vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1114         if (!vf) {
1115                 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1116                 return -EINVAL;
1117         }
1118
1119         if (vf->bulletin.p_virt)
1120                 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1121
1122         memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1123
1124         /* Get the link configuration back in bulletin so
1125          * that when VFs are re-enabled they get the actual
1126          * link configuration.
1127          */
1128         memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1129         memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1130         memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1131         qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1132
1133         /* Forget the VF's acquisition message */
1134         memset(&vf->acquire, 0, sizeof(vf->acquire));
1135
1136         /* disablng interrupts and resetting permission table was done during
1137          * vf-close, however, we could get here without going through vf_close
1138          */
1139         /* Disable Interrupts for VF */
1140         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1141
1142         /* Reset Permission table */
1143         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1144
1145         vf->num_rxqs = 0;
1146         vf->num_txqs = 0;
1147         qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1148
1149         if (vf->b_init) {
1150                 vf->b_init = false;
1151
1152                 if (IS_LEAD_HWFN(p_hwfn))
1153                         p_hwfn->cdev->p_iov_info->num_vfs--;
1154         }
1155
1156         return 0;
1157 }
1158
1159 static bool qed_iov_tlv_supported(u16 tlvtype)
1160 {
1161         return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1162 }
1163
1164 /* place a given tlv on the tlv buffer, continuing current tlv list */
1165 void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1166 {
1167         struct channel_tlv *tl = (struct channel_tlv *)*offset;
1168
1169         tl->type = type;
1170         tl->length = length;
1171
1172         /* Offset should keep pointing to next TLV (the end of the last) */
1173         *offset += length;
1174
1175         /* Return a pointer to the start of the added tlv */
1176         return *offset - length;
1177 }
1178
1179 /* list the types and lengths of the tlvs on the buffer */
1180 void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1181 {
1182         u16 i = 1, total_length = 0;
1183         struct channel_tlv *tlv;
1184
1185         do {
1186                 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1187
1188                 /* output tlv */
1189                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1190                            "TLV number %d: type %d, length %d\n",
1191                            i, tlv->type, tlv->length);
1192
1193                 if (tlv->type == CHANNEL_TLV_LIST_END)
1194                         return;
1195
1196                 /* Validate entry - protect against malicious VFs */
1197                 if (!tlv->length) {
1198                         DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1199                         return;
1200                 }
1201
1202                 total_length += tlv->length;
1203
1204                 if (total_length >= sizeof(struct tlv_buffer_size)) {
1205                         DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1206                         return;
1207                 }
1208
1209                 i++;
1210         } while (1);
1211 }
1212
1213 static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1214                                   struct qed_ptt *p_ptt,
1215                                   struct qed_vf_info *p_vf,
1216                                   u16 length, u8 status)
1217 {
1218         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1219         struct qed_dmae_params params;
1220         u8 eng_vf_id;
1221
1222         mbx->reply_virt->default_resp.hdr.status = status;
1223
1224         qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1225
1226         eng_vf_id = p_vf->abs_vf_id;
1227
1228         memset(&params, 0, sizeof(struct qed_dmae_params));
1229         params.flags = QED_DMAE_FLAG_VF_DST;
1230         params.dst_vfid = eng_vf_id;
1231
1232         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1233                            mbx->req_virt->first_tlv.reply_address +
1234                            sizeof(u64),
1235                            (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1236                            &params);
1237
1238         /* Once PF copies the rc to the VF, the latter can continue
1239          * and send an additional message. So we have to make sure the
1240          * channel would be re-set to ready prior to that.
1241          */
1242         REG_WR(p_hwfn,
1243                GTT_BAR0_MAP_REG_USDM_RAM +
1244                USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1245
1246         qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1247                            mbx->req_virt->first_tlv.reply_address,
1248                            sizeof(u64) / 4, &params);
1249 }
1250
1251 static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1252                                 enum qed_iov_vport_update_flag flag)
1253 {
1254         switch (flag) {
1255         case QED_IOV_VP_UPDATE_ACTIVATE:
1256                 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1257         case QED_IOV_VP_UPDATE_VLAN_STRIP:
1258                 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1259         case QED_IOV_VP_UPDATE_TX_SWITCH:
1260                 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1261         case QED_IOV_VP_UPDATE_MCAST:
1262                 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1263         case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1264                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1265         case QED_IOV_VP_UPDATE_RSS:
1266                 return CHANNEL_TLV_VPORT_UPDATE_RSS;
1267         case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1268                 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1269         case QED_IOV_VP_UPDATE_SGE_TPA:
1270                 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1271         default:
1272                 return 0;
1273         }
1274 }
1275
1276 static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1277                                             struct qed_vf_info *p_vf,
1278                                             struct qed_iov_vf_mbx *p_mbx,
1279                                             u8 status,
1280                                             u16 tlvs_mask, u16 tlvs_accepted)
1281 {
1282         struct pfvf_def_resp_tlv *resp;
1283         u16 size, total_len, i;
1284
1285         memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1286         p_mbx->offset = (u8 *)p_mbx->reply_virt;
1287         size = sizeof(struct pfvf_def_resp_tlv);
1288         total_len = size;
1289
1290         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1291
1292         /* Prepare response for all extended tlvs if they are found by PF */
1293         for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1294                 if (!(tlvs_mask & BIT(i)))
1295                         continue;
1296
1297                 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1298                                    qed_iov_vport_to_tlv(p_hwfn, i), size);
1299
1300                 if (tlvs_accepted & BIT(i))
1301                         resp->hdr.status = status;
1302                 else
1303                         resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1304
1305                 DP_VERBOSE(p_hwfn,
1306                            QED_MSG_IOV,
1307                            "VF[%d] - vport_update response: TLV %d, status %02x\n",
1308                            p_vf->relative_vf_id,
1309                            qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1310
1311                 total_len += size;
1312         }
1313
1314         qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1315                     sizeof(struct channel_list_end_tlv));
1316
1317         return total_len;
1318 }
1319
1320 static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1321                                  struct qed_ptt *p_ptt,
1322                                  struct qed_vf_info *vf_info,
1323                                  u16 type, u16 length, u8 status)
1324 {
1325         struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1326
1327         mbx->offset = (u8 *)mbx->reply_virt;
1328
1329         qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1330         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1331                     sizeof(struct channel_list_end_tlv));
1332
1333         qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1334 }
1335
1336 static struct
1337 qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1338                                                u16 relative_vf_id,
1339                                                bool b_enabled_only)
1340 {
1341         struct qed_vf_info *vf = NULL;
1342
1343         vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1344         if (!vf)
1345                 return NULL;
1346
1347         return &vf->p_vf_info;
1348 }
1349
1350 static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1351 {
1352         struct qed_public_vf_info *vf_info;
1353
1354         vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1355
1356         if (!vf_info)
1357                 return;
1358
1359         /* Clear the VF mac */
1360         eth_zero_addr(vf_info->mac);
1361
1362         vf_info->rx_accept_mode = 0;
1363         vf_info->tx_accept_mode = 0;
1364 }
1365
1366 static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1367                                struct qed_vf_info *p_vf)
1368 {
1369         u32 i, j;
1370
1371         p_vf->vf_bulletin = 0;
1372         p_vf->vport_instance = 0;
1373         p_vf->configured_features = 0;
1374
1375         /* If VF previously requested less resources, go back to default */
1376         p_vf->num_rxqs = p_vf->num_sbs;
1377         p_vf->num_txqs = p_vf->num_sbs;
1378
1379         p_vf->num_active_rxqs = 0;
1380
1381         for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1382                 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1383
1384                 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1385                         if (!p_queue->cids[j].p_cid)
1386                                 continue;
1387
1388                         qed_eth_queue_cid_release(p_hwfn,
1389                                                   p_queue->cids[j].p_cid);
1390                         p_queue->cids[j].p_cid = NULL;
1391                 }
1392         }
1393
1394         memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1395         memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1396         qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1397 }
1398
1399 /* Returns either 0, or log(size) */
1400 static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1401                                   struct qed_ptt *p_ptt)
1402 {
1403         u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1404
1405         if (val)
1406                 return val + 11;
1407         return 0;
1408 }
1409
1410 static void
1411 qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1412                                  struct qed_ptt *p_ptt,
1413                                  struct qed_vf_info *p_vf,
1414                                  struct vf_pf_resc_request *p_req,
1415                                  struct pf_vf_resc *p_resp)
1416 {
1417         u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1418         u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1419                      qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1420         u32 bar_size;
1421
1422         p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1423
1424         /* If VF didn't bother asking for QIDs than don't bother limiting
1425          * number of CIDs. The VF doesn't care about the number, and this
1426          * has the likely result of causing an additional acquisition.
1427          */
1428         if (!(p_vf->acquire.vfdev_info.capabilities &
1429               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1430                 return;
1431
1432         /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1433          * that would make sure doorbells for all CIDs fall within the bar.
1434          * If it doesn't, make sure regview window is sufficient.
1435          */
1436         if (p_vf->acquire.vfdev_info.capabilities &
1437             VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1438                 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1439                 if (bar_size)
1440                         bar_size = 1 << bar_size;
1441
1442                 if (p_hwfn->cdev->num_hwfns > 1)
1443                         bar_size /= 2;
1444         } else {
1445                 bar_size = PXP_VF_BAR0_DQ_LENGTH;
1446         }
1447
1448         if (bar_size / db_size < 256)
1449                 p_resp->num_cids = min_t(u8, p_resp->num_cids,
1450                                          (u8)(bar_size / db_size));
1451 }
1452
1453 static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1454                                       struct qed_ptt *p_ptt,
1455                                       struct qed_vf_info *p_vf,
1456                                       struct vf_pf_resc_request *p_req,
1457                                       struct pf_vf_resc *p_resp)
1458 {
1459         u8 i;
1460
1461         /* Queue related information */
1462         p_resp->num_rxqs = p_vf->num_rxqs;
1463         p_resp->num_txqs = p_vf->num_txqs;
1464         p_resp->num_sbs = p_vf->num_sbs;
1465
1466         for (i = 0; i < p_resp->num_sbs; i++) {
1467                 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1468                 p_resp->hw_sbs[i].sb_qid = 0;
1469         }
1470
1471         /* These fields are filled for backward compatibility.
1472          * Unused by modern vfs.
1473          */
1474         for (i = 0; i < p_resp->num_rxqs; i++) {
1475                 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1476                                 (u16 *)&p_resp->hw_qid[i]);
1477                 p_resp->cid[i] = i;
1478         }
1479
1480         /* Filter related information */
1481         p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1482                                         p_req->num_mac_filters);
1483         p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1484                                          p_req->num_vlan_filters);
1485
1486         qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
1487
1488         /* This isn't really needed/enforced, but some legacy VFs might depend
1489          * on the correct filling of this field.
1490          */
1491         p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1492
1493         /* Validate sufficient resources for VF */
1494         if (p_resp->num_rxqs < p_req->num_rxqs ||
1495             p_resp->num_txqs < p_req->num_txqs ||
1496             p_resp->num_sbs < p_req->num_sbs ||
1497             p_resp->num_mac_filters < p_req->num_mac_filters ||
1498             p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1499             p_resp->num_mc_filters < p_req->num_mc_filters ||
1500             p_resp->num_cids < p_req->num_cids) {
1501                 DP_VERBOSE(p_hwfn,
1502                            QED_MSG_IOV,
1503                            "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",
1504                            p_vf->abs_vf_id,
1505                            p_req->num_rxqs,
1506                            p_resp->num_rxqs,
1507                            p_req->num_rxqs,
1508                            p_resp->num_txqs,
1509                            p_req->num_sbs,
1510                            p_resp->num_sbs,
1511                            p_req->num_mac_filters,
1512                            p_resp->num_mac_filters,
1513                            p_req->num_vlan_filters,
1514                            p_resp->num_vlan_filters,
1515                            p_req->num_mc_filters,
1516                            p_resp->num_mc_filters,
1517                            p_req->num_cids, p_resp->num_cids);
1518
1519                 /* Some legacy OSes are incapable of correctly handling this
1520                  * failure.
1521                  */
1522                 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1523                      ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1524                     (p_vf->acquire.vfdev_info.os_type ==
1525                      VFPF_ACQUIRE_OS_WINDOWS))
1526                         return PFVF_STATUS_SUCCESS;
1527
1528                 return PFVF_STATUS_NO_RESOURCE;
1529         }
1530
1531         return PFVF_STATUS_SUCCESS;
1532 }
1533
1534 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1535                                          struct pfvf_stats_info *p_stats)
1536 {
1537         p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1538                                   offsetof(struct mstorm_vf_zone,
1539                                            non_trigger.eth_queue_stat);
1540         p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1541         p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1542                                   offsetof(struct ustorm_vf_zone,
1543                                            non_trigger.eth_queue_stat);
1544         p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1545         p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1546                                   offsetof(struct pstorm_vf_zone,
1547                                            non_trigger.eth_queue_stat);
1548         p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1549         p_stats->tstats.address = 0;
1550         p_stats->tstats.len = 0;
1551 }
1552
1553 static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1554                                    struct qed_ptt *p_ptt,
1555                                    struct qed_vf_info *vf)
1556 {
1557         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1558         struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1559         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1560         struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1561         u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1562         struct pf_vf_resc *resc = &resp->resc;
1563         int rc;
1564
1565         memset(resp, 0, sizeof(*resp));
1566
1567         /* Write the PF version so that VF would know which version
1568          * is supported - might be later overriden. This guarantees that
1569          * VF could recognize legacy PF based on lack of versions in reply.
1570          */
1571         pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1572         pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1573
1574         if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1575                 DP_VERBOSE(p_hwfn,
1576                            QED_MSG_IOV,
1577                            "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1578                            vf->abs_vf_id, vf->state);
1579                 goto out;
1580         }
1581
1582         /* Validate FW compatibility */
1583         if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1584                 if (req->vfdev_info.capabilities &
1585                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1586                         struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1587
1588                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1589                                    "VF[%d] is pre-fastpath HSI\n",
1590                                    vf->abs_vf_id);
1591                         p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1592                         p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1593                 } else {
1594                         DP_INFO(p_hwfn,
1595                                 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1596                                 vf->abs_vf_id,
1597                                 req->vfdev_info.eth_fp_hsi_major,
1598                                 req->vfdev_info.eth_fp_hsi_minor,
1599                                 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1600
1601                         goto out;
1602                 }
1603         }
1604
1605         /* On 100g PFs, prevent old VFs from loading */
1606         if ((p_hwfn->cdev->num_hwfns > 1) &&
1607             !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1608                 DP_INFO(p_hwfn,
1609                         "VF[%d] is running an old driver that doesn't support 100g\n",
1610                         vf->abs_vf_id);
1611                 goto out;
1612         }
1613
1614         /* Store the acquire message */
1615         memcpy(&vf->acquire, req, sizeof(vf->acquire));
1616
1617         vf->opaque_fid = req->vfdev_info.opaque_fid;
1618
1619         vf->vf_bulletin = req->bulletin_addr;
1620         vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1621                             vf->bulletin.size : req->bulletin_size;
1622
1623         /* fill in pfdev info */
1624         pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1625         pfdev_info->db_size = 0;
1626         pfdev_info->indices_per_sb = PIS_PER_SB_E4;
1627
1628         pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1629                                    PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1630         if (p_hwfn->cdev->num_hwfns > 1)
1631                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1632
1633         /* Share our ability to use multiple queue-ids only with VFs
1634          * that request it.
1635          */
1636         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1637                 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1638
1639         /* Share the sizes of the bars with VF */
1640         resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1641
1642         qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1643
1644         memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1645
1646         pfdev_info->fw_major = FW_MAJOR_VERSION;
1647         pfdev_info->fw_minor = FW_MINOR_VERSION;
1648         pfdev_info->fw_rev = FW_REVISION_VERSION;
1649         pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1650
1651         /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1652          * this field.
1653          */
1654         pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1655                                          req->vfdev_info.eth_fp_hsi_minor);
1656         pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1657         qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1658
1659         pfdev_info->dev_type = p_hwfn->cdev->type;
1660         pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1661
1662         /* Fill resources available to VF; Make sure there are enough to
1663          * satisfy the VF's request.
1664          */
1665         vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1666                                                   &req->resc_request, resc);
1667         if (vfpf_status != PFVF_STATUS_SUCCESS)
1668                 goto out;
1669
1670         /* Start the VF in FW */
1671         rc = qed_sp_vf_start(p_hwfn, vf);
1672         if (rc) {
1673                 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1674                 vfpf_status = PFVF_STATUS_FAILURE;
1675                 goto out;
1676         }
1677
1678         /* Fill agreed size of bulletin board in response */
1679         resp->bulletin_size = vf->bulletin.size;
1680         qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1681
1682         DP_VERBOSE(p_hwfn,
1683                    QED_MSG_IOV,
1684                    "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1685                    "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1686                    vf->abs_vf_id,
1687                    resp->pfdev_info.chip_num,
1688                    resp->pfdev_info.db_size,
1689                    resp->pfdev_info.indices_per_sb,
1690                    resp->pfdev_info.capabilities,
1691                    resc->num_rxqs,
1692                    resc->num_txqs,
1693                    resc->num_sbs,
1694                    resc->num_mac_filters,
1695                    resc->num_vlan_filters);
1696         vf->state = VF_ACQUIRED;
1697
1698         /* Prepare Response */
1699 out:
1700         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1701                              sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1702 }
1703
1704 static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1705                                   struct qed_vf_info *p_vf, bool val)
1706 {
1707         struct qed_sp_vport_update_params params;
1708         int rc;
1709
1710         if (val == p_vf->spoof_chk) {
1711                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1712                            "Spoofchk value[%d] is already configured\n", val);
1713                 return 0;
1714         }
1715
1716         memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1717         params.opaque_fid = p_vf->opaque_fid;
1718         params.vport_id = p_vf->vport_id;
1719         params.update_anti_spoofing_en_flg = 1;
1720         params.anti_spoofing_en = val;
1721
1722         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1723         if (!rc) {
1724                 p_vf->spoof_chk = val;
1725                 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1726                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1727                            "Spoofchk val[%d] configured\n", val);
1728         } else {
1729                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1730                            "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1731                            val, p_vf->relative_vf_id);
1732         }
1733
1734         return rc;
1735 }
1736
1737 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1738                                             struct qed_vf_info *p_vf)
1739 {
1740         struct qed_filter_ucast filter;
1741         int rc = 0;
1742         int i;
1743
1744         memset(&filter, 0, sizeof(filter));
1745         filter.is_rx_filter = 1;
1746         filter.is_tx_filter = 1;
1747         filter.vport_to_add_to = p_vf->vport_id;
1748         filter.opcode = QED_FILTER_ADD;
1749
1750         /* Reconfigure vlans */
1751         for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1752                 if (!p_vf->shadow_config.vlans[i].used)
1753                         continue;
1754
1755                 filter.type = QED_FILTER_VLAN;
1756                 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1757                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1758                            "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1759                            filter.vlan, p_vf->relative_vf_id);
1760                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1761                                              &filter, QED_SPQ_MODE_CB, NULL);
1762                 if (rc) {
1763                         DP_NOTICE(p_hwfn,
1764                                   "Failed to configure VLAN [%04x] to VF [%04x]\n",
1765                                   filter.vlan, p_vf->relative_vf_id);
1766                         break;
1767                 }
1768         }
1769
1770         return rc;
1771 }
1772
1773 static int
1774 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1775                                    struct qed_vf_info *p_vf, u64 events)
1776 {
1777         int rc = 0;
1778
1779         if ((events & BIT(VLAN_ADDR_FORCED)) &&
1780             !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1781                 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1782
1783         return rc;
1784 }
1785
1786 static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1787                                           struct qed_vf_info *p_vf, u64 events)
1788 {
1789         int rc = 0;
1790         struct qed_filter_ucast filter;
1791
1792         if (!p_vf->vport_instance)
1793                 return -EINVAL;
1794
1795         if ((events & BIT(MAC_ADDR_FORCED)) ||
1796             p_vf->p_vf_info.is_trusted_configured) {
1797                 /* Since there's no way [currently] of removing the MAC,
1798                  * we can always assume this means we need to force it.
1799                  */
1800                 memset(&filter, 0, sizeof(filter));
1801                 filter.type = QED_FILTER_MAC;
1802                 filter.opcode = QED_FILTER_REPLACE;
1803                 filter.is_rx_filter = 1;
1804                 filter.is_tx_filter = 1;
1805                 filter.vport_to_add_to = p_vf->vport_id;
1806                 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1807
1808                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1809                                              &filter, QED_SPQ_MODE_CB, NULL);
1810                 if (rc) {
1811                         DP_NOTICE(p_hwfn,
1812                                   "PF failed to configure MAC for VF\n");
1813                         return rc;
1814                 }
1815                 if (p_vf->p_vf_info.is_trusted_configured)
1816                         p_vf->configured_features |=
1817                                 BIT(VFPF_BULLETIN_MAC_ADDR);
1818                 else
1819                         p_vf->configured_features |=
1820                                 BIT(MAC_ADDR_FORCED);
1821         }
1822
1823         if (events & BIT(VLAN_ADDR_FORCED)) {
1824                 struct qed_sp_vport_update_params vport_update;
1825                 u8 removal;
1826                 int i;
1827
1828                 memset(&filter, 0, sizeof(filter));
1829                 filter.type = QED_FILTER_VLAN;
1830                 filter.is_rx_filter = 1;
1831                 filter.is_tx_filter = 1;
1832                 filter.vport_to_add_to = p_vf->vport_id;
1833                 filter.vlan = p_vf->bulletin.p_virt->pvid;
1834                 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1835                                               QED_FILTER_FLUSH;
1836
1837                 /* Send the ramrod */
1838                 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1839                                              &filter, QED_SPQ_MODE_CB, NULL);
1840                 if (rc) {
1841                         DP_NOTICE(p_hwfn,
1842                                   "PF failed to configure VLAN for VF\n");
1843                         return rc;
1844                 }
1845
1846                 /* Update the default-vlan & silent vlan stripping */
1847                 memset(&vport_update, 0, sizeof(vport_update));
1848                 vport_update.opaque_fid = p_vf->opaque_fid;
1849                 vport_update.vport_id = p_vf->vport_id;
1850                 vport_update.update_default_vlan_enable_flg = 1;
1851                 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1852                 vport_update.update_default_vlan_flg = 1;
1853                 vport_update.default_vlan = filter.vlan;
1854
1855                 vport_update.update_inner_vlan_removal_flg = 1;
1856                 removal = filter.vlan ? 1
1857                                       : p_vf->shadow_config.inner_vlan_removal;
1858                 vport_update.inner_vlan_removal_flg = removal;
1859                 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1860                 rc = qed_sp_vport_update(p_hwfn,
1861                                          &vport_update,
1862                                          QED_SPQ_MODE_EBLOCK, NULL);
1863                 if (rc) {
1864                         DP_NOTICE(p_hwfn,
1865                                   "PF failed to configure VF vport for vlan\n");
1866                         return rc;
1867                 }
1868
1869                 /* Update all the Rx queues */
1870                 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1871                         struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1872                         struct qed_queue_cid *p_cid = NULL;
1873
1874                         /* There can be at most 1 Rx queue on qzone. Find it */
1875                         p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1876                         if (!p_cid)
1877                                 continue;
1878
1879                         rc = qed_sp_eth_rx_queues_update(p_hwfn,
1880                                                          (void **)&p_cid,
1881                                                          1, 0, 1,
1882                                                          QED_SPQ_MODE_EBLOCK,
1883                                                          NULL);
1884                         if (rc) {
1885                                 DP_NOTICE(p_hwfn,
1886                                           "Failed to send Rx update fo queue[0x%04x]\n",
1887                                           p_cid->rel.queue_id);
1888                                 return rc;
1889                         }
1890                 }
1891
1892                 if (filter.vlan)
1893                         p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1894                 else
1895                         p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1896         }
1897
1898         /* If forced features are terminated, we need to configure the shadow
1899          * configuration back again.
1900          */
1901         if (events)
1902                 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1903
1904         return rc;
1905 }
1906
1907 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1908                                        struct qed_ptt *p_ptt,
1909                                        struct qed_vf_info *vf)
1910 {
1911         struct qed_sp_vport_start_params params = { 0 };
1912         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1913         struct vfpf_vport_start_tlv *start;
1914         u8 status = PFVF_STATUS_SUCCESS;
1915         struct qed_vf_info *vf_info;
1916         u64 *p_bitmap;
1917         int sb_id;
1918         int rc;
1919
1920         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1921         if (!vf_info) {
1922                 DP_NOTICE(p_hwfn->cdev,
1923                           "Failed to get VF info, invalid vfid [%d]\n",
1924                           vf->relative_vf_id);
1925                 return;
1926         }
1927
1928         vf->state = VF_ENABLED;
1929         start = &mbx->req_virt->start_vport;
1930
1931         qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1932
1933         /* Initialize Status block in CAU */
1934         for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1935                 if (!start->sb_addr[sb_id]) {
1936                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1937                                    "VF[%d] did not fill the address of SB %d\n",
1938                                    vf->relative_vf_id, sb_id);
1939                         break;
1940                 }
1941
1942                 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1943                                     start->sb_addr[sb_id],
1944                                     vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1945         }
1946
1947         vf->mtu = start->mtu;
1948         vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1949
1950         /* Take into consideration configuration forced by hypervisor;
1951          * If none is configured, use the supplied VF values [for old
1952          * vfs that would still be fine, since they passed '0' as padding].
1953          */
1954         p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1955         if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1956                 u8 vf_req = start->only_untagged;
1957
1958                 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1959                 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1960         }
1961
1962         params.tpa_mode = start->tpa_mode;
1963         params.remove_inner_vlan = start->inner_vlan_removal;
1964         params.tx_switching = true;
1965
1966         params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1967         params.drop_ttl0 = false;
1968         params.concrete_fid = vf->concrete_fid;
1969         params.opaque_fid = vf->opaque_fid;
1970         params.vport_id = vf->vport_id;
1971         params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1972         params.mtu = vf->mtu;
1973
1974         /* Non trusted VFs should enable control frame filtering */
1975         params.check_mac = !vf->p_vf_info.is_trusted_configured;
1976
1977         rc = qed_sp_eth_vport_start(p_hwfn, &params);
1978         if (rc) {
1979                 DP_ERR(p_hwfn,
1980                        "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1981                 status = PFVF_STATUS_FAILURE;
1982         } else {
1983                 vf->vport_instance++;
1984
1985                 /* Force configuration if needed on the newly opened vport */
1986                 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1987
1988                 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1989         }
1990         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1991                              sizeof(struct pfvf_def_resp_tlv), status);
1992 }
1993
1994 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1995                                       struct qed_ptt *p_ptt,
1996                                       struct qed_vf_info *vf)
1997 {
1998         u8 status = PFVF_STATUS_SUCCESS;
1999         int rc;
2000
2001         vf->vport_instance--;
2002         vf->spoof_chk = false;
2003
2004         if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
2005             (qed_iov_validate_active_txq(p_hwfn, vf))) {
2006                 vf->b_malicious = true;
2007                 DP_NOTICE(p_hwfn,
2008                           "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
2009                           vf->abs_vf_id);
2010                 status = PFVF_STATUS_MALICIOUS;
2011                 goto out;
2012         }
2013
2014         rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
2015         if (rc) {
2016                 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
2017                        rc);
2018                 status = PFVF_STATUS_FAILURE;
2019         }
2020
2021         /* Forget the configuration on the vport */
2022         vf->configured_features = 0;
2023         memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2024
2025 out:
2026         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2027                              sizeof(struct pfvf_def_resp_tlv), status);
2028 }
2029
2030 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2031                                           struct qed_ptt *p_ptt,
2032                                           struct qed_vf_info *vf,
2033                                           u8 status, bool b_legacy)
2034 {
2035         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2036         struct pfvf_start_queue_resp_tlv *p_tlv;
2037         struct vfpf_start_rxq_tlv *req;
2038         u16 length;
2039
2040         mbx->offset = (u8 *)mbx->reply_virt;
2041
2042         /* Taking a bigger struct instead of adding a TLV to list was a
2043          * mistake, but one which we're now stuck with, as some older
2044          * clients assume the size of the previous response.
2045          */
2046         if (!b_legacy)
2047                 length = sizeof(*p_tlv);
2048         else
2049                 length = sizeof(struct pfvf_def_resp_tlv);
2050
2051         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2052                             length);
2053         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2054                     sizeof(struct channel_list_end_tlv));
2055
2056         /* Update the TLV with the response */
2057         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2058                 req = &mbx->req_virt->start_rxq;
2059                 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2060                                 offsetof(struct mstorm_vf_zone,
2061                                          non_trigger.eth_rx_queue_producers) +
2062                                 sizeof(struct eth_rx_prod_data) * req->rx_qid;
2063         }
2064
2065         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2066 }
2067
2068 static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2069                              struct qed_vf_info *p_vf, bool b_is_tx)
2070 {
2071         struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2072         struct vfpf_qid_tlv *p_qid_tlv;
2073
2074         /* Search for the qid if the VF published its going to provide it */
2075         if (!(p_vf->acquire.vfdev_info.capabilities &
2076               VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2077                 if (b_is_tx)
2078                         return QED_IOV_LEGACY_QID_TX;
2079                 else
2080                         return QED_IOV_LEGACY_QID_RX;
2081         }
2082
2083         p_qid_tlv = (struct vfpf_qid_tlv *)
2084                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2085                                              CHANNEL_TLV_QID);
2086         if (!p_qid_tlv) {
2087                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2088                            "VF[%2x]: Failed to provide qid\n",
2089                            p_vf->relative_vf_id);
2090
2091                 return QED_IOV_QID_INVALID;
2092         }
2093
2094         if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2095                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2096                            "VF[%02x]: Provided qid out-of-bounds %02x\n",
2097                            p_vf->relative_vf_id, p_qid_tlv->qid);
2098                 return QED_IOV_QID_INVALID;
2099         }
2100
2101         return p_qid_tlv->qid;
2102 }
2103
2104 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2105                                      struct qed_ptt *p_ptt,
2106                                      struct qed_vf_info *vf)
2107 {
2108         struct qed_queue_start_common_params params;
2109         struct qed_queue_cid_vf_params vf_params;
2110         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2111         u8 status = PFVF_STATUS_NO_RESOURCE;
2112         u8 qid_usage_idx, vf_legacy = 0;
2113         struct vfpf_start_rxq_tlv *req;
2114         struct qed_vf_queue *p_queue;
2115         struct qed_queue_cid *p_cid;
2116         struct qed_sb_info sb_dummy;
2117         int rc;
2118
2119         req = &mbx->req_virt->start_rxq;
2120
2121         if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2122                                   QED_IOV_VALIDATE_Q_DISABLE) ||
2123             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2124                 goto out;
2125
2126         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2127         if (qid_usage_idx == QED_IOV_QID_INVALID)
2128                 goto out;
2129
2130         p_queue = &vf->vf_queues[req->rx_qid];
2131         if (p_queue->cids[qid_usage_idx].p_cid)
2132                 goto out;
2133
2134         vf_legacy = qed_vf_calculate_legacy(vf);
2135
2136         /* Acquire a new queue-cid */
2137         memset(&params, 0, sizeof(params));
2138         params.queue_id = p_queue->fw_rx_qid;
2139         params.vport_id = vf->vport_id;
2140         params.stats_id = vf->abs_vf_id + 0x10;
2141         /* Since IGU index is passed via sb_info, construct a dummy one */
2142         memset(&sb_dummy, 0, sizeof(sb_dummy));
2143         sb_dummy.igu_sb_id = req->hw_sb;
2144         params.p_sb = &sb_dummy;
2145         params.sb_idx = req->sb_index;
2146
2147         memset(&vf_params, 0, sizeof(vf_params));
2148         vf_params.vfid = vf->relative_vf_id;
2149         vf_params.vf_qid = (u8)req->rx_qid;
2150         vf_params.vf_legacy = vf_legacy;
2151         vf_params.qid_usage_idx = qid_usage_idx;
2152         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2153                                      &params, true, &vf_params);
2154         if (!p_cid)
2155                 goto out;
2156
2157         /* Legacy VFs have their Producers in a different location, which they
2158          * calculate on their own and clean the producer prior to this.
2159          */
2160         if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2161                 REG_WR(p_hwfn,
2162                        GTT_BAR0_MAP_REG_MSDM_RAM +
2163                        MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2164                        0);
2165
2166         rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2167                                       req->bd_max_bytes,
2168                                       req->rxq_addr,
2169                                       req->cqe_pbl_addr, req->cqe_pbl_size);
2170         if (rc) {
2171                 status = PFVF_STATUS_FAILURE;
2172                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2173         } else {
2174                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2175                 p_queue->cids[qid_usage_idx].b_is_tx = false;
2176                 status = PFVF_STATUS_SUCCESS;
2177                 vf->num_active_rxqs++;
2178         }
2179
2180 out:
2181         qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2182                                       !!(vf_legacy &
2183                                          QED_QCID_LEGACY_VF_RX_PROD));
2184 }
2185
2186 static void
2187 qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2188                                struct qed_tunnel_info *p_tun,
2189                                u16 tunn_feature_mask)
2190 {
2191         p_resp->tunn_feature_mask = tunn_feature_mask;
2192         p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2193         p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2194         p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2195         p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2196         p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2197         p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2198         p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2199         p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2200         p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2201         p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2202         p_resp->geneve_udp_port = p_tun->geneve_port.port;
2203         p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2204 }
2205
2206 static void
2207 __qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2208                               struct qed_tunn_update_type *p_tun,
2209                               enum qed_tunn_mode mask, u8 tun_cls)
2210 {
2211         if (p_req->tun_mode_update_mask & BIT(mask)) {
2212                 p_tun->b_update_mode = true;
2213
2214                 if (p_req->tunn_mode & BIT(mask))
2215                         p_tun->b_mode_enabled = true;
2216         }
2217
2218         p_tun->tun_cls = tun_cls;
2219 }
2220
2221 static void
2222 qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2223                             struct qed_tunn_update_type *p_tun,
2224                             struct qed_tunn_update_udp_port *p_port,
2225                             enum qed_tunn_mode mask,
2226                             u8 tun_cls, u8 update_port, u16 port)
2227 {
2228         if (update_port) {
2229                 p_port->b_update_port = true;
2230                 p_port->port = port;
2231         }
2232
2233         __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2234 }
2235
2236 static bool
2237 qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2238 {
2239         bool b_update_requested = false;
2240
2241         if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2242             p_req->update_geneve_port || p_req->update_vxlan_port)
2243                 b_update_requested = true;
2244
2245         return b_update_requested;
2246 }
2247
2248 static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2249 {
2250         if (tun->b_update_mode && !tun->b_mode_enabled) {
2251                 tun->b_update_mode = false;
2252                 *rc = -EINVAL;
2253         }
2254 }
2255
2256 static int
2257 qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2258                                    u16 *tun_features, bool *update,
2259                                    struct qed_tunnel_info *tun_src)
2260 {
2261         struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2262         struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2263         u16 bultn_vxlan_port, bultn_geneve_port;
2264         void *cookie = p_hwfn->cdev->ops_cookie;
2265         int i, rc = 0;
2266
2267         *tun_features = p_hwfn->cdev->tunn_feature_mask;
2268         bultn_vxlan_port = tun->vxlan_port.port;
2269         bultn_geneve_port = tun->geneve_port.port;
2270         qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2271         qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2272         qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2273         qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2274         qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2275
2276         if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2277             (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2278              tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2279              tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2280              tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2281              tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2282                 tun_src->b_update_rx_cls = false;
2283                 tun_src->b_update_tx_cls = false;
2284                 rc = -EINVAL;
2285         }
2286
2287         if (tun_src->vxlan_port.b_update_port) {
2288                 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2289                         tun_src->vxlan_port.b_update_port = false;
2290                 } else {
2291                         *update = true;
2292                         bultn_vxlan_port = tun_src->vxlan_port.port;
2293                 }
2294         }
2295
2296         if (tun_src->geneve_port.b_update_port) {
2297                 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2298                         tun_src->geneve_port.b_update_port = false;
2299                 } else {
2300                         *update = true;
2301                         bultn_geneve_port = tun_src->geneve_port.port;
2302                 }
2303         }
2304
2305         qed_for_each_vf(p_hwfn, i) {
2306                 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2307                                                bultn_geneve_port);
2308         }
2309
2310         qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2311         ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2312
2313         return rc;
2314 }
2315
2316 static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2317                                              struct qed_ptt *p_ptt,
2318                                              struct qed_vf_info *p_vf)
2319 {
2320         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2321         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2322         struct pfvf_update_tunn_param_tlv *p_resp;
2323         struct vfpf_update_tunn_param_tlv *p_req;
2324         u8 status = PFVF_STATUS_SUCCESS;
2325         bool b_update_required = false;
2326         struct qed_tunnel_info tunn;
2327         u16 tunn_feature_mask = 0;
2328         int i, rc = 0;
2329
2330         mbx->offset = (u8 *)mbx->reply_virt;
2331
2332         memset(&tunn, 0, sizeof(tunn));
2333         p_req = &mbx->req_virt->tunn_param_update;
2334
2335         if (!qed_iov_pf_validate_tunn_param(p_req)) {
2336                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2337                            "No tunnel update requested by VF\n");
2338                 status = PFVF_STATUS_FAILURE;
2339                 goto send_resp;
2340         }
2341
2342         tunn.b_update_rx_cls = p_req->update_tun_cls;
2343         tunn.b_update_tx_cls = p_req->update_tun_cls;
2344
2345         qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2346                                     QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2347                                     p_req->update_vxlan_port,
2348                                     p_req->vxlan_port);
2349         qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2350                                     QED_MODE_L2GENEVE_TUNN,
2351                                     p_req->l2geneve_clss,
2352                                     p_req->update_geneve_port,
2353                                     p_req->geneve_port);
2354         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2355                                       QED_MODE_IPGENEVE_TUNN,
2356                                       p_req->ipgeneve_clss);
2357         __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2358                                       QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2359         __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2360                                       QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2361
2362         /* If PF modifies VF's req then it should
2363          * still return an error in case of partial configuration
2364          * or modified configuration as opposed to requested one.
2365          */
2366         rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2367                                                 &b_update_required, &tunn);
2368
2369         if (rc)
2370                 status = PFVF_STATUS_FAILURE;
2371
2372         /* If QED client is willing to update anything ? */
2373         if (b_update_required) {
2374                 u16 geneve_port;
2375
2376                 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2377                                                QED_SPQ_MODE_EBLOCK, NULL);
2378                 if (rc)
2379                         status = PFVF_STATUS_FAILURE;
2380
2381                 geneve_port = p_tun->geneve_port.port;
2382                 qed_for_each_vf(p_hwfn, i) {
2383                         qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2384                                                        p_tun->vxlan_port.port,
2385                                                        geneve_port);
2386                 }
2387         }
2388
2389 send_resp:
2390         p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2391                              CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2392
2393         qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2394         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2395                     sizeof(struct channel_list_end_tlv));
2396
2397         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2398 }
2399
2400 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2401                                           struct qed_ptt *p_ptt,
2402                                           struct qed_vf_info *p_vf,
2403                                           u32 cid, u8 status)
2404 {
2405         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2406         struct pfvf_start_queue_resp_tlv *p_tlv;
2407         bool b_legacy = false;
2408         u16 length;
2409
2410         mbx->offset = (u8 *)mbx->reply_virt;
2411
2412         /* Taking a bigger struct instead of adding a TLV to list was a
2413          * mistake, but one which we're now stuck with, as some older
2414          * clients assume the size of the previous response.
2415          */
2416         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2417             ETH_HSI_VER_NO_PKT_LEN_TUNN)
2418                 b_legacy = true;
2419
2420         if (!b_legacy)
2421                 length = sizeof(*p_tlv);
2422         else
2423                 length = sizeof(struct pfvf_def_resp_tlv);
2424
2425         p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2426                             length);
2427         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2428                     sizeof(struct channel_list_end_tlv));
2429
2430         /* Update the TLV with the response */
2431         if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2432                 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2433
2434         qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2435 }
2436
2437 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2438                                      struct qed_ptt *p_ptt,
2439                                      struct qed_vf_info *vf)
2440 {
2441         struct qed_queue_start_common_params params;
2442         struct qed_queue_cid_vf_params vf_params;
2443         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2444         u8 status = PFVF_STATUS_NO_RESOURCE;
2445         struct vfpf_start_txq_tlv *req;
2446         struct qed_vf_queue *p_queue;
2447         struct qed_queue_cid *p_cid;
2448         struct qed_sb_info sb_dummy;
2449         u8 qid_usage_idx, vf_legacy;
2450         u32 cid = 0;
2451         int rc;
2452         u16 pq;
2453
2454         memset(&params, 0, sizeof(params));
2455         req = &mbx->req_virt->start_txq;
2456
2457         if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2458                                   QED_IOV_VALIDATE_Q_NA) ||
2459             !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2460                 goto out;
2461
2462         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2463         if (qid_usage_idx == QED_IOV_QID_INVALID)
2464                 goto out;
2465
2466         p_queue = &vf->vf_queues[req->tx_qid];
2467         if (p_queue->cids[qid_usage_idx].p_cid)
2468                 goto out;
2469
2470         vf_legacy = qed_vf_calculate_legacy(vf);
2471
2472         /* Acquire a new queue-cid */
2473         params.queue_id = p_queue->fw_tx_qid;
2474         params.vport_id = vf->vport_id;
2475         params.stats_id = vf->abs_vf_id + 0x10;
2476
2477         /* Since IGU index is passed via sb_info, construct a dummy one */
2478         memset(&sb_dummy, 0, sizeof(sb_dummy));
2479         sb_dummy.igu_sb_id = req->hw_sb;
2480         params.p_sb = &sb_dummy;
2481         params.sb_idx = req->sb_index;
2482
2483         memset(&vf_params, 0, sizeof(vf_params));
2484         vf_params.vfid = vf->relative_vf_id;
2485         vf_params.vf_qid = (u8)req->tx_qid;
2486         vf_params.vf_legacy = vf_legacy;
2487         vf_params.qid_usage_idx = qid_usage_idx;
2488
2489         p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2490                                      &params, false, &vf_params);
2491         if (!p_cid)
2492                 goto out;
2493
2494         pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2495         rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2496                                       req->pbl_addr, req->pbl_size, pq);
2497         if (rc) {
2498                 status = PFVF_STATUS_FAILURE;
2499                 qed_eth_queue_cid_release(p_hwfn, p_cid);
2500         } else {
2501                 status = PFVF_STATUS_SUCCESS;
2502                 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2503                 p_queue->cids[qid_usage_idx].b_is_tx = true;
2504                 cid = p_cid->cid;
2505         }
2506
2507 out:
2508         qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2509 }
2510
2511 static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2512                                 struct qed_vf_info *vf,
2513                                 u16 rxq_id,
2514                                 u8 qid_usage_idx, bool cqe_completion)
2515 {
2516         struct qed_vf_queue *p_queue;
2517         int rc = 0;
2518
2519         if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2520                 DP_VERBOSE(p_hwfn,
2521                            QED_MSG_IOV,
2522                            "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2523                            vf->relative_vf_id, rxq_id, qid_usage_idx);
2524                 return -EINVAL;
2525         }
2526
2527         p_queue = &vf->vf_queues[rxq_id];
2528
2529         /* We've validated the index and the existence of the active RXQ -
2530          * now we need to make sure that it's using the correct qid.
2531          */
2532         if (!p_queue->cids[qid_usage_idx].p_cid ||
2533             p_queue->cids[qid_usage_idx].b_is_tx) {
2534                 struct qed_queue_cid *p_cid;
2535
2536                 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2537                 DP_VERBOSE(p_hwfn,
2538                            QED_MSG_IOV,
2539                            "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2540                            vf->relative_vf_id,
2541                            rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2542                 return -EINVAL;
2543         }
2544
2545         /* Now that we know we have a valid Rx-queue - close it */
2546         rc = qed_eth_rx_queue_stop(p_hwfn,
2547                                    p_queue->cids[qid_usage_idx].p_cid,
2548                                    false, cqe_completion);
2549         if (rc)
2550                 return rc;
2551
2552         p_queue->cids[qid_usage_idx].p_cid = NULL;
2553         vf->num_active_rxqs--;
2554
2555         return 0;
2556 }
2557
2558 static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2559                                 struct qed_vf_info *vf,
2560                                 u16 txq_id, u8 qid_usage_idx)
2561 {
2562         struct qed_vf_queue *p_queue;
2563         int rc = 0;
2564
2565         if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2566                 return -EINVAL;
2567
2568         p_queue = &vf->vf_queues[txq_id];
2569         if (!p_queue->cids[qid_usage_idx].p_cid ||
2570             !p_queue->cids[qid_usage_idx].b_is_tx)
2571                 return -EINVAL;
2572
2573         rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2574         if (rc)
2575                 return rc;
2576
2577         p_queue->cids[qid_usage_idx].p_cid = NULL;
2578         return 0;
2579 }
2580
2581 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2582                                      struct qed_ptt *p_ptt,
2583                                      struct qed_vf_info *vf)
2584 {
2585         u16 length = sizeof(struct pfvf_def_resp_tlv);
2586         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2587         u8 status = PFVF_STATUS_FAILURE;
2588         struct vfpf_stop_rxqs_tlv *req;
2589         u8 qid_usage_idx;
2590         int rc;
2591
2592         /* There has never been an official driver that used this interface
2593          * for stopping multiple queues, and it is now considered deprecated.
2594          * Validate this isn't used here.
2595          */
2596         req = &mbx->req_virt->stop_rxqs;
2597         if (req->num_rxqs != 1) {
2598                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2599                            "Odd; VF[%d] tried stopping multiple Rx queues\n",
2600                            vf->relative_vf_id);
2601                 status = PFVF_STATUS_NOT_SUPPORTED;
2602                 goto out;
2603         }
2604
2605         /* Find which qid-index is associated with the queue */
2606         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2607         if (qid_usage_idx == QED_IOV_QID_INVALID)
2608                 goto out;
2609
2610         rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2611                                   qid_usage_idx, req->cqe_completion);
2612         if (!rc)
2613                 status = PFVF_STATUS_SUCCESS;
2614 out:
2615         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2616                              length, status);
2617 }
2618
2619 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2620                                      struct qed_ptt *p_ptt,
2621                                      struct qed_vf_info *vf)
2622 {
2623         u16 length = sizeof(struct pfvf_def_resp_tlv);
2624         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2625         u8 status = PFVF_STATUS_FAILURE;
2626         struct vfpf_stop_txqs_tlv *req;
2627         u8 qid_usage_idx;
2628         int rc;
2629
2630         /* There has never been an official driver that used this interface
2631          * for stopping multiple queues, and it is now considered deprecated.
2632          * Validate this isn't used here.
2633          */
2634         req = &mbx->req_virt->stop_txqs;
2635         if (req->num_txqs != 1) {
2636                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2637                            "Odd; VF[%d] tried stopping multiple Tx queues\n",
2638                            vf->relative_vf_id);
2639                 status = PFVF_STATUS_NOT_SUPPORTED;
2640                 goto out;
2641         }
2642
2643         /* Find which qid-index is associated with the queue */
2644         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2645         if (qid_usage_idx == QED_IOV_QID_INVALID)
2646                 goto out;
2647
2648         rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2649         if (!rc)
2650                 status = PFVF_STATUS_SUCCESS;
2651
2652 out:
2653         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2654                              length, status);
2655 }
2656
2657 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2658                                        struct qed_ptt *p_ptt,
2659                                        struct qed_vf_info *vf)
2660 {
2661         struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2662         u16 length = sizeof(struct pfvf_def_resp_tlv);
2663         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2664         struct vfpf_update_rxq_tlv *req;
2665         u8 status = PFVF_STATUS_FAILURE;
2666         u8 complete_event_flg;
2667         u8 complete_cqe_flg;
2668         u8 qid_usage_idx;
2669         int rc;
2670         u8 i;
2671
2672         req = &mbx->req_virt->update_rxq;
2673         complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2674         complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2675
2676         qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2677         if (qid_usage_idx == QED_IOV_QID_INVALID)
2678                 goto out;
2679
2680         /* There shouldn't exist a VF that uses queue-qids yet uses this
2681          * API with multiple Rx queues. Validate this.
2682          */
2683         if ((vf->acquire.vfdev_info.capabilities &
2684              VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2685                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2686                            "VF[%d] supports QIDs but sends multiple queues\n",
2687                            vf->relative_vf_id);
2688                 goto out;
2689         }
2690
2691         /* Validate inputs - for the legacy case this is still true since
2692          * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2693          */
2694         for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2695                 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2696                                           QED_IOV_VALIDATE_Q_NA) ||
2697                     !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2698                     vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2699                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2700                                    "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2701                                    vf->relative_vf_id, req->rx_qid,
2702                                    req->num_rxqs);
2703                         goto out;
2704                 }
2705         }
2706
2707         /* Prepare the handlers */
2708         for (i = 0; i < req->num_rxqs; i++) {
2709                 u16 qid = req->rx_qid + i;
2710
2711                 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2712         }
2713
2714         rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2715                                          req->num_rxqs,
2716                                          complete_cqe_flg,
2717                                          complete_event_flg,
2718                                          QED_SPQ_MODE_EBLOCK, NULL);
2719         if (rc)
2720                 goto out;
2721
2722         status = PFVF_STATUS_SUCCESS;
2723 out:
2724         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2725                              length, status);
2726 }
2727
2728 void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2729                                void *p_tlvs_list, u16 req_type)
2730 {
2731         struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2732         int len = 0;
2733
2734         do {
2735                 if (!p_tlv->length) {
2736                         DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2737                         return NULL;
2738                 }
2739
2740                 if (p_tlv->type == req_type) {
2741                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2742                                    "Extended tlv type %d, length %d found\n",
2743                                    p_tlv->type, p_tlv->length);
2744                         return p_tlv;
2745                 }
2746
2747                 len += p_tlv->length;
2748                 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2749
2750                 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2751                         DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2752                         return NULL;
2753                 }
2754         } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2755
2756         return NULL;
2757 }
2758
2759 static void
2760 qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2761                             struct qed_sp_vport_update_params *p_data,
2762                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2763 {
2764         struct vfpf_vport_update_activate_tlv *p_act_tlv;
2765         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2766
2767         p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2768                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2769         if (!p_act_tlv)
2770                 return;
2771
2772         p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2773         p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2774         p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2775         p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2776         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2777 }
2778
2779 static void
2780 qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2781                              struct qed_sp_vport_update_params *p_data,
2782                              struct qed_vf_info *p_vf,
2783                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2784 {
2785         struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2786         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2787
2788         p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2789                      qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2790         if (!p_vlan_tlv)
2791                 return;
2792
2793         p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2794
2795         /* Ignore the VF request if we're forcing a vlan */
2796         if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2797                 p_data->update_inner_vlan_removal_flg = 1;
2798                 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2799         }
2800
2801         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2802 }
2803
2804 static void
2805 qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2806                             struct qed_sp_vport_update_params *p_data,
2807                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2808 {
2809         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2810         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2811
2812         p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2813                           qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2814                                                    tlv);
2815         if (!p_tx_switch_tlv)
2816                 return;
2817
2818         p_data->update_tx_switching_flg = 1;
2819         p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2820         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2821 }
2822
2823 static void
2824 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2825                                   struct qed_sp_vport_update_params *p_data,
2826                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2827 {
2828         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2829         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2830
2831         p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2832             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2833         if (!p_mcast_tlv)
2834                 return;
2835
2836         p_data->update_approx_mcast_flg = 1;
2837         memcpy(p_data->bins, p_mcast_tlv->bins,
2838                sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2839         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2840 }
2841
2842 static void
2843 qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2844                               struct qed_sp_vport_update_params *p_data,
2845                               struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2846 {
2847         struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2848         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2849         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2850
2851         p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2852             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2853         if (!p_accept_tlv)
2854                 return;
2855
2856         p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2857         p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2858         p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2859         p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2860         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2861 }
2862
2863 static void
2864 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2865                                   struct qed_sp_vport_update_params *p_data,
2866                                   struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2867 {
2868         struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2869         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2870
2871         p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2872                             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2873                                                      tlv);
2874         if (!p_accept_any_vlan)
2875                 return;
2876
2877         p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2878         p_data->update_accept_any_vlan_flg =
2879                     p_accept_any_vlan->update_accept_any_vlan_flg;
2880         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2881 }
2882
2883 static void
2884 qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2885                             struct qed_vf_info *vf,
2886                             struct qed_sp_vport_update_params *p_data,
2887                             struct qed_rss_params *p_rss,
2888                             struct qed_iov_vf_mbx *p_mbx,
2889                             u16 *tlvs_mask, u16 *tlvs_accepted)
2890 {
2891         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2892         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2893         bool b_reject = false;
2894         u16 table_size;
2895         u16 i, q_idx;
2896
2897         p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2898                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2899         if (!p_rss_tlv) {
2900                 p_data->rss_params = NULL;
2901                 return;
2902         }
2903
2904         memset(p_rss, 0, sizeof(struct qed_rss_params));
2905
2906         p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2907                                       VFPF_UPDATE_RSS_CONFIG_FLAG);
2908         p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2909                                             VFPF_UPDATE_RSS_CAPS_FLAG);
2910         p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2911                                          VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2912         p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2913                                    VFPF_UPDATE_RSS_KEY_FLAG);
2914
2915         p_rss->rss_enable = p_rss_tlv->rss_enable;
2916         p_rss->rss_eng_id = vf->relative_vf_id + 1;
2917         p_rss->rss_caps = p_rss_tlv->rss_caps;
2918         p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2919         memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2920
2921         table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2922                            (1 << p_rss_tlv->rss_table_size_log));
2923
2924         for (i = 0; i < table_size; i++) {
2925                 struct qed_queue_cid *p_cid;
2926
2927                 q_idx = p_rss_tlv->rss_ind_table[i];
2928                 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2929                                           QED_IOV_VALIDATE_Q_ENABLE)) {
2930                         DP_VERBOSE(p_hwfn,
2931                                    QED_MSG_IOV,
2932                                    "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2933                                    vf->relative_vf_id, q_idx);
2934                         b_reject = true;
2935                         goto out;
2936                 }
2937
2938                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2939                 p_rss->rss_ind_table[i] = p_cid;
2940         }
2941
2942         p_data->rss_params = p_rss;
2943 out:
2944         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2945         if (!b_reject)
2946                 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2947 }
2948
2949 static void
2950 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2951                                 struct qed_vf_info *vf,
2952                                 struct qed_sp_vport_update_params *p_data,
2953                                 struct qed_sge_tpa_params *p_sge_tpa,
2954                                 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2955 {
2956         struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2957         u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2958
2959         p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2960             qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2961
2962         if (!p_sge_tpa_tlv) {
2963                 p_data->sge_tpa_params = NULL;
2964                 return;
2965         }
2966
2967         memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2968
2969         p_sge_tpa->update_tpa_en_flg =
2970             !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2971         p_sge_tpa->update_tpa_param_flg =
2972             !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2973                 VFPF_UPDATE_TPA_PARAM_FLAG);
2974
2975         p_sge_tpa->tpa_ipv4_en_flg =
2976             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2977         p_sge_tpa->tpa_ipv6_en_flg =
2978             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2979         p_sge_tpa->tpa_pkt_split_flg =
2980             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2981         p_sge_tpa->tpa_hdr_data_split_flg =
2982             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2983         p_sge_tpa->tpa_gro_consistent_flg =
2984             !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2985
2986         p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2987         p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2988         p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2989         p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2990         p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2991
2992         p_data->sge_tpa_params = p_sge_tpa;
2993
2994         *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2995 }
2996
2997 static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2998                                     u8 vfid,
2999                                     struct qed_sp_vport_update_params *params,
3000                                     u16 *tlvs)
3001 {
3002         u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
3003         struct qed_filter_accept_flags *flags = &params->accept_flags;
3004         struct qed_public_vf_info *vf_info;
3005         u16 tlv_mask;
3006
3007         tlv_mask = BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM) |
3008                    BIT(QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN);
3009
3010         /* Untrusted VFs can't even be trusted to know that fact.
3011          * Simply indicate everything is configured fine, and trace
3012          * configuration 'behind their back'.
3013          */
3014         if (!(*tlvs & tlv_mask))
3015                 return 0;
3016
3017         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3018
3019         if (flags->update_rx_mode_config) {
3020                 vf_info->rx_accept_mode = flags->rx_accept_filter;
3021                 if (!vf_info->is_trusted_configured)
3022                         flags->rx_accept_filter &= ~mask;
3023         }
3024
3025         if (flags->update_tx_mode_config) {
3026                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3027                 if (!vf_info->is_trusted_configured)
3028                         flags->tx_accept_filter &= ~mask;
3029         }
3030
3031         if (params->update_accept_any_vlan_flg) {
3032                 vf_info->accept_any_vlan = params->accept_any_vlan;
3033
3034                 if (vf_info->forced_vlan && !vf_info->is_trusted_configured)
3035                         params->accept_any_vlan = false;
3036         }
3037
3038         return 0;
3039 }
3040
3041 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3042                                         struct qed_ptt *p_ptt,
3043                                         struct qed_vf_info *vf)
3044 {
3045         struct qed_rss_params *p_rss_params = NULL;
3046         struct qed_sp_vport_update_params params;
3047         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3048         struct qed_sge_tpa_params sge_tpa_params;
3049         u16 tlvs_mask = 0, tlvs_accepted = 0;
3050         u8 status = PFVF_STATUS_SUCCESS;
3051         u16 length;
3052         int rc;
3053
3054         /* Valiate PF can send such a request */
3055         if (!vf->vport_instance) {
3056                 DP_VERBOSE(p_hwfn,
3057                            QED_MSG_IOV,
3058                            "No VPORT instance available for VF[%d], failing vport update\n",
3059                            vf->abs_vf_id);
3060                 status = PFVF_STATUS_FAILURE;
3061                 goto out;
3062         }
3063         p_rss_params = vzalloc(sizeof(*p_rss_params));
3064         if (p_rss_params == NULL) {
3065                 status = PFVF_STATUS_FAILURE;
3066                 goto out;
3067         }
3068
3069         memset(&params, 0, sizeof(params));
3070         params.opaque_fid = vf->opaque_fid;
3071         params.vport_id = vf->vport_id;
3072         params.rss_params = NULL;
3073
3074         /* Search for extended tlvs list and update values
3075          * from VF in struct qed_sp_vport_update_params.
3076          */
3077         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3078         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3079         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3080         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3081         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3082         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3083         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3084                                         &sge_tpa_params, mbx, &tlvs_mask);
3085
3086         tlvs_accepted = tlvs_mask;
3087
3088         /* Some of the extended TLVs need to be validated first; In that case,
3089          * they can update the mask without updating the accepted [so that
3090          * PF could communicate to VF it has rejected request].
3091          */
3092         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3093                                     mbx, &tlvs_mask, &tlvs_accepted);
3094
3095         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3096                                      &params, &tlvs_accepted)) {
3097                 tlvs_accepted = 0;
3098                 status = PFVF_STATUS_NOT_SUPPORTED;
3099                 goto out;
3100         }
3101
3102         if (!tlvs_accepted) {
3103                 if (tlvs_mask)
3104                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3105                                    "Upper-layer prevents VF vport configuration\n");
3106                 else
3107                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3108                                    "No feature tlvs found for vport update\n");
3109                 status = PFVF_STATUS_NOT_SUPPORTED;
3110                 goto out;
3111         }
3112
3113         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3114
3115         if (rc)
3116                 status = PFVF_STATUS_FAILURE;
3117
3118 out:
3119         vfree(p_rss_params);
3120         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3121                                                   tlvs_mask, tlvs_accepted);
3122         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3123 }
3124
3125 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3126                                          struct qed_vf_info *p_vf,
3127                                          struct qed_filter_ucast *p_params)
3128 {
3129         int i;
3130
3131         /* First remove entries and then add new ones */
3132         if (p_params->opcode == QED_FILTER_REMOVE) {
3133                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3134                         if (p_vf->shadow_config.vlans[i].used &&
3135                             p_vf->shadow_config.vlans[i].vid ==
3136                             p_params->vlan) {
3137                                 p_vf->shadow_config.vlans[i].used = false;
3138                                 break;
3139                         }
3140                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3141                         DP_VERBOSE(p_hwfn,
3142                                    QED_MSG_IOV,
3143                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3144                                    p_vf->relative_vf_id);
3145                         return -EINVAL;
3146                 }
3147         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3148                    p_params->opcode == QED_FILTER_FLUSH) {
3149                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3150                         p_vf->shadow_config.vlans[i].used = false;
3151         }
3152
3153         /* In forced mode, we're willing to remove entries - but we don't add
3154          * new ones.
3155          */
3156         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3157                 return 0;
3158
3159         if (p_params->opcode == QED_FILTER_ADD ||
3160             p_params->opcode == QED_FILTER_REPLACE) {
3161                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3162                         if (p_vf->shadow_config.vlans[i].used)
3163                                 continue;
3164
3165                         p_vf->shadow_config.vlans[i].used = true;
3166                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3167                         break;
3168                 }
3169
3170                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3171                         DP_VERBOSE(p_hwfn,
3172                                    QED_MSG_IOV,
3173                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3174                                    p_vf->relative_vf_id,
3175                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3176                         return -EINVAL;
3177                 }
3178         }
3179
3180         return 0;
3181 }
3182
3183 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3184                                         struct qed_vf_info *p_vf,
3185                                         struct qed_filter_ucast *p_params)
3186 {
3187         int i;
3188
3189         /* If we're in forced-mode, we don't allow any change */
3190         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3191                 return 0;
3192
3193         /* Don't keep track of shadow copy since we don't intend to restore. */
3194         if (p_vf->p_vf_info.is_trusted_configured)
3195                 return 0;
3196
3197         /* First remove entries and then add new ones */
3198         if (p_params->opcode == QED_FILTER_REMOVE) {
3199                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3200                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3201                                              p_params->mac)) {
3202                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3203                                 break;
3204                         }
3205                 }
3206
3207                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3208                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3209                                    "MAC isn't configured\n");
3210                         return -EINVAL;
3211                 }
3212         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3213                    p_params->opcode == QED_FILTER_FLUSH) {
3214                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3215                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3216         }
3217
3218         /* List the new MAC address */
3219         if (p_params->opcode != QED_FILTER_ADD &&
3220             p_params->opcode != QED_FILTER_REPLACE)
3221                 return 0;
3222
3223         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3224                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3225                         ether_addr_copy(p_vf->shadow_config.macs[i],
3226                                         p_params->mac);
3227                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3228                                    "Added MAC at %d entry in shadow\n", i);
3229                         break;
3230                 }
3231         }
3232
3233         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3234                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3235                 return -EINVAL;
3236         }
3237
3238         return 0;
3239 }
3240
3241 static int
3242 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3243                                  struct qed_vf_info *p_vf,
3244                                  struct qed_filter_ucast *p_params)
3245 {
3246         int rc = 0;
3247
3248         if (p_params->type == QED_FILTER_MAC) {
3249                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3250                 if (rc)
3251                         return rc;
3252         }
3253
3254         if (p_params->type == QED_FILTER_VLAN)
3255                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3256
3257         return rc;
3258 }
3259
3260 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3261                              int vfid, struct qed_filter_ucast *params)
3262 {
3263         struct qed_public_vf_info *vf;
3264
3265         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3266         if (!vf)
3267                 return -EINVAL;
3268
3269         /* No real decision to make; Store the configured MAC */
3270         if (params->type == QED_FILTER_MAC ||
3271             params->type == QED_FILTER_MAC_VLAN) {
3272                 ether_addr_copy(vf->mac, params->mac);
3273
3274                 if (vf->is_trusted_configured) {
3275                         qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3276
3277                         /* Update and post bulleitin again */
3278                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3279                 }
3280         }
3281
3282         return 0;
3283 }
3284
3285 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3286                                         struct qed_ptt *p_ptt,
3287                                         struct qed_vf_info *vf)
3288 {
3289         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3290         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3291         struct vfpf_ucast_filter_tlv *req;
3292         u8 status = PFVF_STATUS_SUCCESS;
3293         struct qed_filter_ucast params;
3294         int rc;
3295
3296         /* Prepare the unicast filter params */
3297         memset(&params, 0, sizeof(struct qed_filter_ucast));
3298         req = &mbx->req_virt->ucast_filter;
3299         params.opcode = (enum qed_filter_opcode)req->opcode;
3300         params.type = (enum qed_filter_ucast_type)req->type;
3301
3302         params.is_rx_filter = 1;
3303         params.is_tx_filter = 1;
3304         params.vport_to_remove_from = vf->vport_id;
3305         params.vport_to_add_to = vf->vport_id;
3306         memcpy(params.mac, req->mac, ETH_ALEN);
3307         params.vlan = req->vlan;
3308
3309         DP_VERBOSE(p_hwfn,
3310                    QED_MSG_IOV,
3311                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3312                    vf->abs_vf_id, params.opcode, params.type,
3313                    params.is_rx_filter ? "RX" : "",
3314                    params.is_tx_filter ? "TX" : "",
3315                    params.vport_to_add_to,
3316                    params.mac[0], params.mac[1],
3317                    params.mac[2], params.mac[3],
3318                    params.mac[4], params.mac[5], params.vlan);
3319
3320         if (!vf->vport_instance) {
3321                 DP_VERBOSE(p_hwfn,
3322                            QED_MSG_IOV,
3323                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3324                            vf->abs_vf_id);
3325                 status = PFVF_STATUS_FAILURE;
3326                 goto out;
3327         }
3328
3329         /* Update shadow copy of the VF configuration */
3330         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3331                 status = PFVF_STATUS_FAILURE;
3332                 goto out;
3333         }
3334
3335         /* Determine if the unicast filtering is acceptible by PF */
3336         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3337             (params.type == QED_FILTER_VLAN ||
3338              params.type == QED_FILTER_MAC_VLAN)) {
3339                 /* Once VLAN is forced or PVID is set, do not allow
3340                  * to add/replace any further VLANs.
3341                  */
3342                 if (params.opcode == QED_FILTER_ADD ||
3343                     params.opcode == QED_FILTER_REPLACE)
3344                         status = PFVF_STATUS_FORCED;
3345                 goto out;
3346         }
3347
3348         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3349             (params.type == QED_FILTER_MAC ||
3350              params.type == QED_FILTER_MAC_VLAN)) {
3351                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3352                     (params.opcode != QED_FILTER_ADD &&
3353                      params.opcode != QED_FILTER_REPLACE))
3354                         status = PFVF_STATUS_FORCED;
3355                 goto out;
3356         }
3357
3358         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3359         if (rc) {
3360                 status = PFVF_STATUS_FAILURE;
3361                 goto out;
3362         }
3363
3364         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3365                                      QED_SPQ_MODE_CB, NULL);
3366         if (rc)
3367                 status = PFVF_STATUS_FAILURE;
3368
3369 out:
3370         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3371                              sizeof(struct pfvf_def_resp_tlv), status);
3372 }
3373
3374 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3375                                        struct qed_ptt *p_ptt,
3376                                        struct qed_vf_info *vf)
3377 {
3378         int i;
3379
3380         /* Reset the SBs */
3381         for (i = 0; i < vf->num_sbs; i++)
3382                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3383                                                 vf->igu_sbs[i],
3384                                                 vf->opaque_fid, false);
3385
3386         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3387                              sizeof(struct pfvf_def_resp_tlv),
3388                              PFVF_STATUS_SUCCESS);
3389 }
3390
3391 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3392                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3393 {
3394         u16 length = sizeof(struct pfvf_def_resp_tlv);
3395         u8 status = PFVF_STATUS_SUCCESS;
3396
3397         /* Disable Interrupts for VF */
3398         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3399
3400         /* Reset Permission table */
3401         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3402
3403         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3404                              length, status);
3405 }
3406
3407 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3408                                    struct qed_ptt *p_ptt,
3409                                    struct qed_vf_info *p_vf)
3410 {
3411         u16 length = sizeof(struct pfvf_def_resp_tlv);
3412         u8 status = PFVF_STATUS_SUCCESS;
3413         int rc = 0;
3414
3415         qed_iov_vf_cleanup(p_hwfn, p_vf);
3416
3417         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3418                 /* Stopping the VF */
3419                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3420                                     p_vf->opaque_fid);
3421
3422                 if (rc) {
3423                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3424                                rc);
3425                         status = PFVF_STATUS_FAILURE;
3426                 }
3427
3428                 p_vf->state = VF_STOPPED;
3429         }
3430
3431         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3432                              length, status);
3433 }
3434
3435 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3436                                        struct qed_ptt *p_ptt,
3437                                        struct qed_vf_info *p_vf)
3438 {
3439         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3440         struct pfvf_read_coal_resp_tlv *p_resp;
3441         struct vfpf_read_coal_req_tlv *req;
3442         u8 status = PFVF_STATUS_FAILURE;
3443         struct qed_vf_queue *p_queue;
3444         struct qed_queue_cid *p_cid;
3445         u16 coal = 0, qid, i;
3446         bool b_is_rx;
3447         int rc = 0;
3448
3449         mbx->offset = (u8 *)mbx->reply_virt;
3450         req = &mbx->req_virt->read_coal_req;
3451
3452         qid = req->qid;
3453         b_is_rx = req->is_rx ? true : false;
3454
3455         if (b_is_rx) {
3456                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3457                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3458                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3459                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3460                                    p_vf->abs_vf_id, qid);
3461                         goto send_resp;
3462                 }
3463
3464                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3465                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3466                 if (rc)
3467                         goto send_resp;
3468         } else {
3469                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3470                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3471                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3472                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3473                                    p_vf->abs_vf_id, qid);
3474                         goto send_resp;
3475                 }
3476                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3477                         p_queue = &p_vf->vf_queues[qid];
3478                         if ((!p_queue->cids[i].p_cid) ||
3479                             (!p_queue->cids[i].b_is_tx))
3480                                 continue;
3481
3482                         p_cid = p_queue->cids[i].p_cid;
3483
3484                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3485                         if (rc)
3486                                 goto send_resp;
3487                         break;
3488                 }
3489         }
3490
3491         status = PFVF_STATUS_SUCCESS;
3492
3493 send_resp:
3494         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3495                              sizeof(*p_resp));
3496         p_resp->coal = coal;
3497
3498         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3499                     sizeof(struct channel_list_end_tlv));
3500
3501         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3502 }
3503
3504 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3505                                        struct qed_ptt *p_ptt,
3506                                        struct qed_vf_info *vf)
3507 {
3508         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3509         struct vfpf_update_coalesce *req;
3510         u8 status = PFVF_STATUS_FAILURE;
3511         struct qed_queue_cid *p_cid;
3512         u16 rx_coal, tx_coal;
3513         int rc = 0, i;
3514         u16 qid;
3515
3516         req = &mbx->req_virt->update_coalesce;
3517
3518         rx_coal = req->rx_coal;
3519         tx_coal = req->tx_coal;
3520         qid = req->qid;
3521
3522         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3523                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3524                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3525                            "VF[%d]: Invalid Rx queue_id = %d\n",
3526                            vf->abs_vf_id, qid);
3527                 goto out;
3528         }
3529
3530         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3531                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3532                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3533                            "VF[%d]: Invalid Tx queue_id = %d\n",
3534                            vf->abs_vf_id, qid);
3535                 goto out;
3536         }
3537
3538         DP_VERBOSE(p_hwfn,
3539                    QED_MSG_IOV,
3540                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3541                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3542
3543         if (rx_coal) {
3544                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3545
3546                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3547                 if (rc) {
3548                         DP_VERBOSE(p_hwfn,
3549                                    QED_MSG_IOV,
3550                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3551                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3552                         goto out;
3553                 }
3554                 vf->rx_coal = rx_coal;
3555         }
3556
3557         if (tx_coal) {
3558                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3559
3560                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3561                         if (!p_queue->cids[i].p_cid)
3562                                 continue;
3563
3564                         if (!p_queue->cids[i].b_is_tx)
3565                                 continue;
3566
3567                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3568                                                   p_queue->cids[i].p_cid);
3569
3570                         if (rc) {
3571                                 DP_VERBOSE(p_hwfn,
3572                                            QED_MSG_IOV,
3573                                            "VF[%d]: Unable to set tx queue coalesce\n",
3574                                            vf->abs_vf_id);
3575                                 goto out;
3576                         }
3577                 }
3578                 vf->tx_coal = tx_coal;
3579         }
3580
3581         status = PFVF_STATUS_SUCCESS;
3582 out:
3583         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3584                              sizeof(struct pfvf_def_resp_tlv), status);
3585 }
3586 static int
3587 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3588                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3589 {
3590         int cnt;
3591         u32 val;
3592
3593         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3594
3595         for (cnt = 0; cnt < 50; cnt++) {
3596                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3597                 if (!val)
3598                         break;
3599                 msleep(20);
3600         }
3601         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3602
3603         if (cnt == 50) {
3604                 DP_ERR(p_hwfn,
3605                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3606                        p_vf->abs_vf_id, val);
3607                 return -EBUSY;
3608         }
3609
3610         return 0;
3611 }
3612
3613 static int
3614 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3615                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3616 {
3617         u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3618         int i, cnt;
3619
3620         /* Read initial consumers & producers */
3621         for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3622                 u32 prod;
3623
3624                 cons[i] = qed_rd(p_hwfn, p_ptt,
3625                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3626                                  i * 0x40);
3627                 prod = qed_rd(p_hwfn, p_ptt,
3628                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3629                               i * 0x40);
3630                 distance[i] = prod - cons[i];
3631         }
3632
3633         /* Wait for consumers to pass the producers */
3634         i = 0;
3635         for (cnt = 0; cnt < 50; cnt++) {
3636                 for (; i < MAX_NUM_VOQS_E4; i++) {
3637                         u32 tmp;
3638
3639                         tmp = qed_rd(p_hwfn, p_ptt,
3640                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3641                                      i * 0x40);
3642                         if (distance[i] > tmp - cons[i])
3643                                 break;
3644                 }
3645
3646                 if (i == MAX_NUM_VOQS_E4)
3647                         break;
3648
3649                 msleep(20);
3650         }
3651
3652         if (cnt == 50) {
3653                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3654                        p_vf->abs_vf_id, i);
3655                 return -EBUSY;
3656         }
3657
3658         return 0;
3659 }
3660
3661 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3662                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3663 {
3664         int rc;
3665
3666         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3667         if (rc)
3668                 return rc;
3669
3670         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3671         if (rc)
3672                 return rc;
3673
3674         return 0;
3675 }
3676
3677 static int
3678 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3679                                struct qed_ptt *p_ptt,
3680                                u16 rel_vf_id, u32 *ack_vfs)
3681 {
3682         struct qed_vf_info *p_vf;
3683         int rc = 0;
3684
3685         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3686         if (!p_vf)
3687                 return 0;
3688
3689         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3690             (1ULL << (rel_vf_id % 64))) {
3691                 u16 vfid = p_vf->abs_vf_id;
3692
3693                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3694                            "VF[%d] - Handling FLR\n", vfid);
3695
3696                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3697
3698                 /* If VF isn't active, no need for anything but SW */
3699                 if (!p_vf->b_init)
3700                         goto cleanup;
3701
3702                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3703                 if (rc)
3704                         goto cleanup;
3705
3706                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3707                 if (rc) {
3708                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3709                         return rc;
3710                 }
3711
3712                 /* Workaround to make VF-PF channel ready, as FW
3713                  * doesn't do that as a part of FLR.
3714                  */
3715                 REG_WR(p_hwfn,
3716                        GTT_BAR0_MAP_REG_USDM_RAM +
3717                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3718
3719                 /* VF_STOPPED has to be set only after final cleanup
3720                  * but prior to re-enabling the VF.
3721                  */
3722                 p_vf->state = VF_STOPPED;
3723
3724                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3725                 if (rc) {
3726                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3727                                vfid);
3728                         return rc;
3729                 }
3730 cleanup:
3731                 /* Mark VF for ack and clean pending state */
3732                 if (p_vf->state == VF_RESET)
3733                         p_vf->state = VF_STOPPED;
3734                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3735                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3736                     ~(1ULL << (rel_vf_id % 64));
3737                 p_vf->vf_mbx.b_pending_msg = false;
3738         }
3739
3740         return rc;
3741 }
3742
3743 static int
3744 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3745 {
3746         u32 ack_vfs[VF_MAX_STATIC / 32];
3747         int rc = 0;
3748         u16 i;
3749
3750         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3751
3752         /* Since BRB <-> PRS interface can't be tested as part of the flr
3753          * polling due to HW limitations, simply sleep a bit. And since
3754          * there's no need to wait per-vf, do it before looping.
3755          */
3756         msleep(100);
3757
3758         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3759                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3760
3761         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3762         return rc;
3763 }
3764
3765 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3766 {
3767         bool found = false;
3768         u16 i;
3769
3770         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3771         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3772                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3773                            "[%08x,...,%08x]: %08x\n",
3774                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3775
3776         if (!p_hwfn->cdev->p_iov_info) {
3777                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3778                 return false;
3779         }
3780
3781         /* Mark VFs */
3782         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3783                 struct qed_vf_info *p_vf;
3784                 u8 vfid;
3785
3786                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3787                 if (!p_vf)
3788                         continue;
3789
3790                 vfid = p_vf->abs_vf_id;
3791                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3792                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3793                         u16 rel_vf_id = p_vf->relative_vf_id;
3794
3795                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3796                                    "VF[%d] [rel %d] got FLR-ed\n",
3797                                    vfid, rel_vf_id);
3798
3799                         p_vf->state = VF_RESET;
3800
3801                         /* No need to lock here, since pending_flr should
3802                          * only change here and before ACKing MFw. Since
3803                          * MFW will not trigger an additional attention for
3804                          * VF flr until ACKs, we're safe.
3805                          */
3806                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3807                         found = true;
3808                 }
3809         }
3810
3811         return found;
3812 }
3813
3814 static int qed_iov_get_link(struct qed_hwfn *p_hwfn,
3815                             u16 vfid,
3816                             struct qed_mcp_link_params *p_params,
3817                             struct qed_mcp_link_state *p_link,
3818                             struct qed_mcp_link_capabilities *p_caps)
3819 {
3820         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3821                                                        vfid,
3822                                                        false);
3823         struct qed_bulletin_content *p_bulletin;
3824
3825         if (!p_vf)
3826                 return -EINVAL;
3827
3828         p_bulletin = p_vf->bulletin.p_virt;
3829
3830         if (p_params)
3831                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3832         if (p_link)
3833                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3834         if (p_caps)
3835                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3836         return 0;
3837 }
3838
3839 static int
3840 qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3841                                   struct qed_ptt *p_ptt,
3842                                   struct qed_vf_info *p_vf)
3843 {
3844         struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3845         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3846         struct vfpf_bulletin_update_mac_tlv *p_req;
3847         u8 status = PFVF_STATUS_SUCCESS;
3848         int rc = 0;
3849
3850         if (!p_vf->p_vf_info.is_trusted_configured) {
3851                 DP_VERBOSE(p_hwfn,
3852                            QED_MSG_IOV,
3853                            "Blocking bulletin update request from untrusted VF[%d]\n",
3854                            p_vf->abs_vf_id);
3855                 status = PFVF_STATUS_NOT_SUPPORTED;
3856                 rc = -EINVAL;
3857                 goto send_status;
3858         }
3859
3860         p_req = &mbx->req_virt->bulletin_update_mac;
3861         ether_addr_copy(p_bulletin->mac, p_req->mac);
3862         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3863                    "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3864                    p_vf->abs_vf_id, p_req->mac);
3865
3866 send_status:
3867         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3868                              CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3869                              sizeof(struct pfvf_def_resp_tlv), status);
3870         return rc;
3871 }
3872
3873 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3874                                     struct qed_ptt *p_ptt, int vfid)
3875 {
3876         struct qed_iov_vf_mbx *mbx;
3877         struct qed_vf_info *p_vf;
3878
3879         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3880         if (!p_vf)
3881                 return;
3882
3883         mbx = &p_vf->vf_mbx;
3884
3885         /* qed_iov_process_mbx_request */
3886         if (!mbx->b_pending_msg) {
3887                 DP_NOTICE(p_hwfn,
3888                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3889                           p_vf->abs_vf_id);
3890                 return;
3891         }
3892         mbx->b_pending_msg = false;
3893
3894         mbx->first_tlv = mbx->req_virt->first_tlv;
3895
3896         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3897                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3898                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3899
3900         /* check if tlv type is known */
3901         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3902             !p_vf->b_malicious) {
3903                 switch (mbx->first_tlv.tl.type) {
3904                 case CHANNEL_TLV_ACQUIRE:
3905                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3906                         break;
3907                 case CHANNEL_TLV_VPORT_START:
3908                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3909                         break;
3910                 case CHANNEL_TLV_VPORT_TEARDOWN:
3911                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3912                         break;
3913                 case CHANNEL_TLV_START_RXQ:
3914                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3915                         break;
3916                 case CHANNEL_TLV_START_TXQ:
3917                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3918                         break;
3919                 case CHANNEL_TLV_STOP_RXQS:
3920                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3921                         break;
3922                 case CHANNEL_TLV_STOP_TXQS:
3923                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3924                         break;
3925                 case CHANNEL_TLV_UPDATE_RXQ:
3926                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3927                         break;
3928                 case CHANNEL_TLV_VPORT_UPDATE:
3929                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3930                         break;
3931                 case CHANNEL_TLV_UCAST_FILTER:
3932                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3933                         break;
3934                 case CHANNEL_TLV_CLOSE:
3935                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3936                         break;
3937                 case CHANNEL_TLV_INT_CLEANUP:
3938                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3939                         break;
3940                 case CHANNEL_TLV_RELEASE:
3941                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3942                         break;
3943                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3944                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3945                         break;
3946                 case CHANNEL_TLV_COALESCE_UPDATE:
3947                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3948                         break;
3949                 case CHANNEL_TLV_COALESCE_READ:
3950                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3951                         break;
3952                 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3953                         qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3954                         break;
3955                 }
3956         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3957                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3958                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3959                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3960
3961                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3962                                      mbx->first_tlv.tl.type,
3963                                      sizeof(struct pfvf_def_resp_tlv),
3964                                      PFVF_STATUS_MALICIOUS);
3965         } else {
3966                 /* unknown TLV - this may belong to a VF driver from the future
3967                  * - a version written after this PF driver was written, which
3968                  * supports features unknown as of yet. Too bad since we don't
3969                  * support them. Or this may be because someone wrote a crappy
3970                  * VF driver and is sending garbage over the channel.
3971                  */
3972                 DP_NOTICE(p_hwfn,
3973                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3974                           p_vf->abs_vf_id,
3975                           mbx->first_tlv.tl.type,
3976                           mbx->first_tlv.tl.length,
3977                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3978
3979                 /* Try replying in case reply address matches the acquisition's
3980                  * posted address.
3981                  */
3982                 if (p_vf->acquire.first_tlv.reply_address &&
3983                     (mbx->first_tlv.reply_address ==
3984                      p_vf->acquire.first_tlv.reply_address)) {
3985                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3986                                              mbx->first_tlv.tl.type,
3987                                              sizeof(struct pfvf_def_resp_tlv),
3988                                              PFVF_STATUS_NOT_SUPPORTED);
3989                 } else {
3990                         DP_VERBOSE(p_hwfn,
3991                                    QED_MSG_IOV,
3992                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3993                                    p_vf->abs_vf_id);
3994                 }
3995         }
3996 }
3997
3998 static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3999 {
4000         int i;
4001
4002         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
4003
4004         qed_for_each_vf(p_hwfn, i) {
4005                 struct qed_vf_info *p_vf;
4006
4007                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
4008                 if (p_vf->vf_mbx.b_pending_msg)
4009                         events[i / 64] |= 1ULL << (i % 64);
4010         }
4011 }
4012
4013 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
4014                                                        u16 abs_vfid)
4015 {
4016         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
4017
4018         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
4019                 DP_VERBOSE(p_hwfn,
4020                            QED_MSG_IOV,
4021                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
4022                            abs_vfid);
4023                 return NULL;
4024         }
4025
4026         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
4027 }
4028
4029 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
4030                               u16 abs_vfid, struct regpair *vf_msg)
4031 {
4032         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
4033                            abs_vfid);
4034
4035         if (!p_vf)
4036                 return 0;
4037
4038         /* List the physical address of the request so that handler
4039          * could later on copy the message from it.
4040          */
4041         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
4042
4043         /* Mark the event and schedule the workqueue */
4044         p_vf->vf_mbx.b_pending_msg = true;
4045         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4046
4047         return 0;
4048 }
4049
4050 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4051                                      struct malicious_vf_eqe_data *p_data)
4052 {
4053         struct qed_vf_info *p_vf;
4054
4055         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4056
4057         if (!p_vf)
4058                 return;
4059
4060         if (!p_vf->b_malicious) {
4061                 DP_NOTICE(p_hwfn,
4062                           "VF [%d] - Malicious behavior [%02x]\n",
4063                           p_vf->abs_vf_id, p_data->err_id);
4064
4065                 p_vf->b_malicious = true;
4066         } else {
4067                 DP_INFO(p_hwfn,
4068                         "VF [%d] - Malicious behavior [%02x]\n",
4069                         p_vf->abs_vf_id, p_data->err_id);
4070         }
4071 }
4072
4073 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4074                                u8 opcode,
4075                                __le16 echo,
4076                                union event_ring_data *data, u8 fw_return_code)
4077 {
4078         switch (opcode) {
4079         case COMMON_EVENT_VF_PF_CHANNEL:
4080                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4081                                           &data->vf_pf_channel.msg_addr);
4082         case COMMON_EVENT_MALICIOUS_VF:
4083                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4084                 return 0;
4085         default:
4086                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4087                         opcode);
4088                 return -EINVAL;
4089         }
4090 }
4091
4092 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4093 {
4094         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4095         u16 i;
4096
4097         if (!p_iov)
4098                 goto out;
4099
4100         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4101                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4102                         return i;
4103
4104 out:
4105         return MAX_NUM_VFS;
4106 }
4107
4108 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4109                                int vfid)
4110 {
4111         struct qed_dmae_params params;
4112         struct qed_vf_info *vf_info;
4113
4114         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4115         if (!vf_info)
4116                 return -EINVAL;
4117
4118         memset(&params, 0, sizeof(struct qed_dmae_params));
4119         params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
4120         params.src_vfid = vf_info->abs_vf_id;
4121
4122         if (qed_dmae_host2host(p_hwfn, ptt,
4123                                vf_info->vf_mbx.pending_req,
4124                                vf_info->vf_mbx.req_phys,
4125                                sizeof(union vfpf_tlvs) / 4, &params)) {
4126                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4127                            "Failed to copy message from VF 0x%02x\n", vfid);
4128
4129                 return -EIO;
4130         }
4131
4132         return 0;
4133 }
4134
4135 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4136                                             u8 *mac, int vfid)
4137 {
4138         struct qed_vf_info *vf_info;
4139         u64 feature;
4140
4141         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4142         if (!vf_info) {
4143                 DP_NOTICE(p_hwfn->cdev,
4144                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4145                 return;
4146         }
4147
4148         if (vf_info->b_malicious) {
4149                 DP_NOTICE(p_hwfn->cdev,
4150                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4151                 return;
4152         }
4153
4154         if (vf_info->p_vf_info.is_trusted_configured) {
4155                 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4156                 /* Trust mode will disable Forced MAC */
4157                 vf_info->bulletin.p_virt->valid_bitmap &=
4158                         ~BIT(MAC_ADDR_FORCED);
4159         } else {
4160                 feature = BIT(MAC_ADDR_FORCED);
4161                 /* Forced MAC will disable MAC_ADDR */
4162                 vf_info->bulletin.p_virt->valid_bitmap &=
4163                         ~BIT(VFPF_BULLETIN_MAC_ADDR);
4164         }
4165
4166         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4167
4168         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4169
4170         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4171 }
4172
4173 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4174 {
4175         struct qed_vf_info *vf_info;
4176         u64 feature;
4177
4178         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4179         if (!vf_info) {
4180                 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4181                           vfid);
4182                 return -EINVAL;
4183         }
4184
4185         if (vf_info->b_malicious) {
4186                 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4187                           vfid);
4188                 return -EINVAL;
4189         }
4190
4191         if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4192                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4193                            "Can not set MAC, Forced MAC is configured\n");
4194                 return -EINVAL;
4195         }
4196
4197         feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4198         ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4199
4200         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4201
4202         if (vf_info->p_vf_info.is_trusted_configured)
4203                 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4204
4205         return 0;
4206 }
4207
4208 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4209                                              u16 pvid, int vfid)
4210 {
4211         struct qed_vf_info *vf_info;
4212         u64 feature;
4213
4214         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4215         if (!vf_info) {
4216                 DP_NOTICE(p_hwfn->cdev,
4217                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4218                 return;
4219         }
4220
4221         if (vf_info->b_malicious) {
4222                 DP_NOTICE(p_hwfn->cdev,
4223                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4224                 return;
4225         }
4226
4227         feature = 1 << VLAN_ADDR_FORCED;
4228         vf_info->bulletin.p_virt->pvid = pvid;
4229         if (pvid)
4230                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4231         else
4232                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4233
4234         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4235 }
4236
4237 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4238                                     int vfid, u16 vxlan_port, u16 geneve_port)
4239 {
4240         struct qed_vf_info *vf_info;
4241
4242         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4243         if (!vf_info) {
4244                 DP_NOTICE(p_hwfn->cdev,
4245                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4246                 return;
4247         }
4248
4249         if (vf_info->b_malicious) {
4250                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4251                            "Can not set udp ports to malicious VF [%d]\n",
4252                            vfid);
4253                 return;
4254         }
4255
4256         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4257         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4258 }
4259
4260 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4261 {
4262         struct qed_vf_info *p_vf_info;
4263
4264         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4265         if (!p_vf_info)
4266                 return false;
4267
4268         return !!p_vf_info->vport_instance;
4269 }
4270
4271 static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4272 {
4273         struct qed_vf_info *p_vf_info;
4274
4275         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4276         if (!p_vf_info)
4277                 return true;
4278
4279         return p_vf_info->state == VF_STOPPED;
4280 }
4281
4282 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4283 {
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 false;
4289
4290         return vf_info->spoof_chk;
4291 }
4292
4293 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4294 {
4295         struct qed_vf_info *vf;
4296         int rc = -EINVAL;
4297
4298         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4299                 DP_NOTICE(p_hwfn,
4300                           "SR-IOV sanity check failed, can't set spoofchk\n");
4301                 goto out;
4302         }
4303
4304         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4305         if (!vf)
4306                 goto out;
4307
4308         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4309                 /* After VF VPORT start PF will configure spoof check */
4310                 vf->req_spoofchk_val = val;
4311                 rc = 0;
4312                 goto out;
4313         }
4314
4315         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4316
4317 out:
4318         return rc;
4319 }
4320
4321 static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4322 {
4323         struct qed_vf_info *p_vf;
4324
4325         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4326         if (!p_vf || !p_vf->bulletin.p_virt)
4327                 return NULL;
4328
4329         if (!(p_vf->bulletin.p_virt->valid_bitmap &
4330               BIT(VFPF_BULLETIN_MAC_ADDR)))
4331                 return NULL;
4332
4333         return p_vf->bulletin.p_virt->mac;
4334 }
4335
4336 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4337                                            u16 rel_vf_id)
4338 {
4339         struct qed_vf_info *p_vf;
4340
4341         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4342         if (!p_vf || !p_vf->bulletin.p_virt)
4343                 return NULL;
4344
4345         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4346                 return NULL;
4347
4348         return p_vf->bulletin.p_virt->mac;
4349 }
4350
4351 static u16
4352 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4353 {
4354         struct qed_vf_info *p_vf;
4355
4356         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4357         if (!p_vf || !p_vf->bulletin.p_virt)
4358                 return 0;
4359
4360         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4361                 return 0;
4362
4363         return p_vf->bulletin.p_virt->pvid;
4364 }
4365
4366 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4367                                      struct qed_ptt *p_ptt, int vfid, int val)
4368 {
4369         struct qed_mcp_link_state *p_link;
4370         struct qed_vf_info *vf;
4371         u8 abs_vp_id = 0;
4372         int rc;
4373
4374         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4375         if (!vf)
4376                 return -EINVAL;
4377
4378         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4379         if (rc)
4380                 return rc;
4381
4382         p_link = &QED_LEADING_HWFN(p_hwfn->cdev)->mcp_info->link_output;
4383
4384         return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val,
4385                                  p_link->speed);
4386 }
4387
4388 static int
4389 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4390 {
4391         struct qed_vf_info *vf;
4392         u8 vport_id;
4393         int i;
4394
4395         for_each_hwfn(cdev, i) {
4396                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4397
4398                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4399                         DP_NOTICE(p_hwfn,
4400                                   "SR-IOV sanity check failed, can't set min rate\n");
4401                         return -EINVAL;
4402                 }
4403         }
4404
4405         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4406         vport_id = vf->vport_id;
4407
4408         return qed_configure_vport_wfq(cdev, vport_id, rate);
4409 }
4410
4411 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4412 {
4413         struct qed_wfq_data *vf_vp_wfq;
4414         struct qed_vf_info *vf_info;
4415
4416         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4417         if (!vf_info)
4418                 return 0;
4419
4420         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4421
4422         if (vf_vp_wfq->configured)
4423                 return vf_vp_wfq->min_speed;
4424         else
4425                 return 0;
4426 }
4427
4428 /**
4429  * qed_schedule_iov - schedules IOV task for VF and PF
4430  * @hwfn: hardware function pointer
4431  * @flag: IOV flag for VF/PF
4432  */
4433 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4434 {
4435         smp_mb__before_atomic();
4436         set_bit(flag, &hwfn->iov_task_flags);
4437         smp_mb__after_atomic();
4438         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4439         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4440 }
4441
4442 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4443 {
4444         int i;
4445
4446         for_each_hwfn(cdev, i)
4447             queue_delayed_work(cdev->hwfns[i].iov_wq,
4448                                &cdev->hwfns[i].iov_task, 0);
4449 }
4450
4451 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4452 {
4453         int i, j;
4454
4455         for_each_hwfn(cdev, i)
4456             if (cdev->hwfns[i].iov_wq)
4457                 flush_workqueue(cdev->hwfns[i].iov_wq);
4458
4459         /* Mark VFs for disablement */
4460         qed_iov_set_vfs_to_disable(cdev, true);
4461
4462         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4463                 pci_disable_sriov(cdev->pdev);
4464
4465         for_each_hwfn(cdev, i) {
4466                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4467                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4468
4469                 /* Failure to acquire the ptt in 100g creates an odd error
4470                  * where the first engine has already relased IOV.
4471                  */
4472                 if (!ptt) {
4473                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4474                         return -EBUSY;
4475                 }
4476
4477                 /* Clean WFQ db and configure equal weight for all vports */
4478                 qed_clean_wfq_db(hwfn, ptt);
4479
4480                 qed_for_each_vf(hwfn, j) {
4481                         int k;
4482
4483                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4484                                 continue;
4485
4486                         /* Wait until VF is disabled before releasing */
4487                         for (k = 0; k < 100; k++) {
4488                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4489                                         msleep(20);
4490                                 else
4491                                         break;
4492                         }
4493
4494                         if (k < 100)
4495                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4496                                                           ptt, j);
4497                         else
4498                                 DP_ERR(hwfn,
4499                                        "Timeout waiting for VF's FLR to end\n");
4500                 }
4501
4502                 qed_ptt_release(hwfn, ptt);
4503         }
4504
4505         qed_iov_set_vfs_to_disable(cdev, false);
4506
4507         return 0;
4508 }
4509
4510 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4511                                         u16 vfid,
4512                                         struct qed_iov_vf_init_params *params)
4513 {
4514         u16 base, i;
4515
4516         /* Since we have an equal resource distribution per-VF, and we assume
4517          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4518          * sequentially from there.
4519          */
4520         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4521
4522         params->rel_vf_id = vfid;
4523         for (i = 0; i < params->num_queues; i++) {
4524                 params->req_rx_queue[i] = base + i;
4525                 params->req_tx_queue[i] = base + i;
4526         }
4527 }
4528
4529 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4530 {
4531         struct qed_iov_vf_init_params params;
4532         struct qed_hwfn *hwfn;
4533         struct qed_ptt *ptt;
4534         int i, j, rc;
4535
4536         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4537                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4538                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4539                 return -EINVAL;
4540         }
4541
4542         memset(&params, 0, sizeof(params));
4543
4544         /* Initialize HW for VF access */
4545         for_each_hwfn(cdev, j) {
4546                 hwfn = &cdev->hwfns[j];
4547                 ptt = qed_ptt_acquire(hwfn);
4548
4549                 /* Make sure not to use more than 16 queues per VF */
4550                 params.num_queues = min_t(int,
4551                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4552                                           16);
4553
4554                 if (!ptt) {
4555                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4556                         rc = -EBUSY;
4557                         goto err;
4558                 }
4559
4560                 for (i = 0; i < num; i++) {
4561                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4562                                 continue;
4563
4564                         qed_sriov_enable_qid_config(hwfn, i, &params);
4565                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4566                         if (rc) {
4567                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4568                                 qed_ptt_release(hwfn, ptt);
4569                                 goto err;
4570                         }
4571                 }
4572
4573                 qed_ptt_release(hwfn, ptt);
4574         }
4575
4576         /* Enable SRIOV PCIe functions */
4577         rc = pci_enable_sriov(cdev->pdev, num);
4578         if (rc) {
4579                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4580                 goto err;
4581         }
4582
4583         hwfn = QED_LEADING_HWFN(cdev);
4584         ptt = qed_ptt_acquire(hwfn);
4585         if (!ptt) {
4586                 DP_ERR(hwfn, "Failed to acquire ptt\n");
4587                 rc = -EBUSY;
4588                 goto err;
4589         }
4590
4591         rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4592         if (rc)
4593                 DP_INFO(cdev, "Failed to update eswitch mode\n");
4594         qed_ptt_release(hwfn, ptt);
4595
4596         return num;
4597
4598 err:
4599         qed_sriov_disable(cdev, false);
4600         return rc;
4601 }
4602
4603 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4604 {
4605         if (!IS_QED_SRIOV(cdev)) {
4606                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4607                 return -EOPNOTSUPP;
4608         }
4609
4610         if (num_vfs_param)
4611                 return qed_sriov_enable(cdev, num_vfs_param);
4612         else
4613                 return qed_sriov_disable(cdev, true);
4614 }
4615
4616 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4617 {
4618         int i;
4619
4620         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4621                 DP_VERBOSE(cdev, QED_MSG_IOV,
4622                            "Cannot set a VF MAC; Sriov is not enabled\n");
4623                 return -EINVAL;
4624         }
4625
4626         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4627                 DP_VERBOSE(cdev, QED_MSG_IOV,
4628                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4629                 return -EINVAL;
4630         }
4631
4632         for_each_hwfn(cdev, i) {
4633                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4634                 struct qed_public_vf_info *vf_info;
4635
4636                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4637                 if (!vf_info)
4638                         continue;
4639
4640                 /* Set the MAC, and schedule the IOV task */
4641                 if (vf_info->is_trusted_configured)
4642                         ether_addr_copy(vf_info->mac, mac);
4643                 else
4644                         ether_addr_copy(vf_info->forced_mac, mac);
4645
4646                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4647         }
4648
4649         return 0;
4650 }
4651
4652 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4653 {
4654         int i;
4655
4656         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4657                 DP_VERBOSE(cdev, QED_MSG_IOV,
4658                            "Cannot set a VF MAC; Sriov is not enabled\n");
4659                 return -EINVAL;
4660         }
4661
4662         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4663                 DP_VERBOSE(cdev, QED_MSG_IOV,
4664                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4665                 return -EINVAL;
4666         }
4667
4668         for_each_hwfn(cdev, i) {
4669                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4670                 struct qed_public_vf_info *vf_info;
4671
4672                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4673                 if (!vf_info)
4674                         continue;
4675
4676                 /* Set the forced vlan, and schedule the IOV task */
4677                 vf_info->forced_vlan = vid;
4678                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4679         }
4680
4681         return 0;
4682 }
4683
4684 static int qed_get_vf_config(struct qed_dev *cdev,
4685                              int vf_id, struct ifla_vf_info *ivi)
4686 {
4687         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4688         struct qed_public_vf_info *vf_info;
4689         struct qed_mcp_link_state link;
4690         u32 tx_rate;
4691         int ret;
4692
4693         /* Sanitize request */
4694         if (IS_VF(cdev))
4695                 return -EINVAL;
4696
4697         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4698                 DP_VERBOSE(cdev, QED_MSG_IOV,
4699                            "VF index [%d] isn't active\n", vf_id);
4700                 return -EINVAL;
4701         }
4702
4703         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4704
4705         ret = qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4706         if (ret)
4707                 return ret;
4708
4709         /* Fill information about VF */
4710         ivi->vf = vf_id;
4711
4712         if (is_valid_ether_addr(vf_info->forced_mac))
4713                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4714         else
4715                 ether_addr_copy(ivi->mac, vf_info->mac);
4716
4717         ivi->vlan = vf_info->forced_vlan;
4718         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4719         ivi->linkstate = vf_info->link_state;
4720         tx_rate = vf_info->tx_rate;
4721         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4722         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4723         ivi->trusted = vf_info->is_trusted_request;
4724
4725         return 0;
4726 }
4727
4728 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4729 {
4730         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4731         struct qed_mcp_link_capabilities caps;
4732         struct qed_mcp_link_params params;
4733         struct qed_mcp_link_state link;
4734         int i;
4735
4736         if (!hwfn->pf_iov_info)
4737                 return;
4738
4739         /* Update bulletin of all future possible VFs with link configuration */
4740         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4741                 struct qed_public_vf_info *vf_info;
4742
4743                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4744                 if (!vf_info)
4745                         continue;
4746
4747                 /* Only hwfn0 is actually interested in the link speed.
4748                  * But since only it would receive an MFW indication of link,
4749                  * need to take configuration from it - otherwise things like
4750                  * rate limiting for hwfn1 VF would not work.
4751                  */
4752                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4753                        sizeof(params));
4754                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4755                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4756                        sizeof(caps));
4757
4758                 /* Modify link according to the VF's configured link state */
4759                 switch (vf_info->link_state) {
4760                 case IFLA_VF_LINK_STATE_DISABLE:
4761                         link.link_up = false;
4762                         break;
4763                 case IFLA_VF_LINK_STATE_ENABLE:
4764                         link.link_up = true;
4765                         /* Set speed according to maximum supported by HW.
4766                          * that is 40G for regular devices and 100G for CMT
4767                          * mode devices.
4768                          */
4769                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4770                                      100000 : 40000;
4771                 default:
4772                         /* In auto mode pass PF link image to VF */
4773                         break;
4774                 }
4775
4776                 if (link.link_up && vf_info->tx_rate) {
4777                         struct qed_ptt *ptt;
4778                         int rate;
4779
4780                         rate = min_t(int, vf_info->tx_rate, link.speed);
4781
4782                         ptt = qed_ptt_acquire(hwfn);
4783                         if (!ptt) {
4784                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4785                                 return;
4786                         }
4787
4788                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4789                                 vf_info->tx_rate = rate;
4790                                 link.speed = rate;
4791                         }
4792
4793                         qed_ptt_release(hwfn, ptt);
4794                 }
4795
4796                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4797         }
4798
4799         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4800 }
4801
4802 static int qed_set_vf_link_state(struct qed_dev *cdev,
4803                                  int vf_id, int link_state)
4804 {
4805         int i;
4806
4807         /* Sanitize request */
4808         if (IS_VF(cdev))
4809                 return -EINVAL;
4810
4811         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4812                 DP_VERBOSE(cdev, QED_MSG_IOV,
4813                            "VF index [%d] isn't active\n", vf_id);
4814                 return -EINVAL;
4815         }
4816
4817         /* Handle configuration of link state */
4818         for_each_hwfn(cdev, i) {
4819                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4820                 struct qed_public_vf_info *vf;
4821
4822                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4823                 if (!vf)
4824                         continue;
4825
4826                 if (vf->link_state == link_state)
4827                         continue;
4828
4829                 vf->link_state = link_state;
4830                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4831         }
4832
4833         return 0;
4834 }
4835
4836 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4837 {
4838         int i, rc = -EINVAL;
4839
4840         for_each_hwfn(cdev, i) {
4841                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4842
4843                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4844                 if (rc)
4845                         break;
4846         }
4847
4848         return rc;
4849 }
4850
4851 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4852 {
4853         int i;
4854
4855         for_each_hwfn(cdev, i) {
4856                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4857                 struct qed_public_vf_info *vf;
4858
4859                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4860                         DP_NOTICE(p_hwfn,
4861                                   "SR-IOV sanity check failed, can't set tx rate\n");
4862                         return -EINVAL;
4863                 }
4864
4865                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4866
4867                 vf->tx_rate = rate;
4868
4869                 qed_inform_vf_link_state(p_hwfn);
4870         }
4871
4872         return 0;
4873 }
4874
4875 static int qed_set_vf_rate(struct qed_dev *cdev,
4876                            int vfid, u32 min_rate, u32 max_rate)
4877 {
4878         int rc_min = 0, rc_max = 0;
4879
4880         if (max_rate)
4881                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4882
4883         if (min_rate)
4884                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4885
4886         if (rc_max | rc_min)
4887                 return -EINVAL;
4888
4889         return 0;
4890 }
4891
4892 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4893 {
4894         int i;
4895
4896         for_each_hwfn(cdev, i) {
4897                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4898                 struct qed_public_vf_info *vf;
4899
4900                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4901                         DP_NOTICE(hwfn,
4902                                   "SR-IOV sanity check failed, can't set trust\n");
4903                         return -EINVAL;
4904                 }
4905
4906                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4907
4908                 if (vf->is_trusted_request == trust)
4909                         return 0;
4910                 vf->is_trusted_request = trust;
4911
4912                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4913         }
4914
4915         return 0;
4916 }
4917
4918 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4919 {
4920         u64 events[QED_VF_ARRAY_LENGTH];
4921         struct qed_ptt *ptt;
4922         int i;
4923
4924         ptt = qed_ptt_acquire(hwfn);
4925         if (!ptt) {
4926                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4927                            "Can't acquire PTT; re-scheduling\n");
4928                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4929                 return;
4930         }
4931
4932         qed_iov_pf_get_pending_events(hwfn, events);
4933
4934         DP_VERBOSE(hwfn, QED_MSG_IOV,
4935                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4936                    events[0], events[1], events[2]);
4937
4938         qed_for_each_vf(hwfn, i) {
4939                 /* Skip VFs with no pending messages */
4940                 if (!(events[i / 64] & (1ULL << (i % 64))))
4941                         continue;
4942
4943                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4944                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4945                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4946
4947                 /* Copy VF's message to PF's request buffer for that VF */
4948                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4949                         continue;
4950
4951                 qed_iov_process_mbx_req(hwfn, ptt, i);
4952         }
4953
4954         qed_ptt_release(hwfn, ptt);
4955 }
4956
4957 static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4958                                        u8 *mac,
4959                                        struct qed_public_vf_info *info)
4960 {
4961         if (info->is_trusted_configured) {
4962                 if (is_valid_ether_addr(info->mac) &&
4963                     (!mac || !ether_addr_equal(mac, info->mac)))
4964                         return true;
4965         } else {
4966                 if (is_valid_ether_addr(info->forced_mac) &&
4967                     (!mac || !ether_addr_equal(mac, info->forced_mac)))
4968                         return true;
4969         }
4970
4971         return false;
4972 }
4973
4974 static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4975                                  struct qed_public_vf_info *info,
4976                                  int vfid)
4977 {
4978         if (info->is_trusted_configured)
4979                 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4980         else
4981                 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4982 }
4983
4984 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4985 {
4986         int i;
4987
4988         qed_for_each_vf(hwfn, i) {
4989                 struct qed_public_vf_info *info;
4990                 bool update = false;
4991                 u8 *mac;
4992
4993                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4994                 if (!info)
4995                         continue;
4996
4997                 /* Update data on bulletin board */
4998                 if (info->is_trusted_configured)
4999                         mac = qed_iov_bulletin_get_mac(hwfn, i);
5000                 else
5001                         mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
5002
5003                 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
5004                         DP_VERBOSE(hwfn,
5005                                    QED_MSG_IOV,
5006                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
5007                                    i,
5008                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
5009
5010                         /* Update bulletin board with MAC */
5011                         qed_set_bulletin_mac(hwfn, info, i);
5012                         update = true;
5013                 }
5014
5015                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
5016                     info->forced_vlan) {
5017                         DP_VERBOSE(hwfn,
5018                                    QED_MSG_IOV,
5019                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
5020                                    info->forced_vlan,
5021                                    i,
5022                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
5023                         qed_iov_bulletin_set_forced_vlan(hwfn,
5024                                                          info->forced_vlan, i);
5025                         update = true;
5026                 }
5027
5028                 if (update)
5029                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5030         }
5031 }
5032
5033 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5034 {
5035         struct qed_ptt *ptt;
5036         int i;
5037
5038         ptt = qed_ptt_acquire(hwfn);
5039         if (!ptt) {
5040                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5041                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5042                 return;
5043         }
5044
5045         qed_for_each_vf(hwfn, i)
5046             qed_iov_post_vf_bulletin(hwfn, i, ptt);
5047
5048         qed_ptt_release(hwfn, ptt);
5049 }
5050
5051 static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5052 {
5053         struct qed_public_vf_info *vf_info;
5054         struct qed_vf_info *vf;
5055         u8 *force_mac;
5056         int i;
5057
5058         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5059         vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5060
5061         if (!vf_info || !vf)
5062                 return;
5063
5064         /* Force MAC converted to generic MAC in case of VF trust on */
5065         if (vf_info->is_trusted_configured &&
5066             (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5067                 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5068
5069                 if (force_mac) {
5070                         /* Clear existing shadow copy of MAC to have a clean
5071                          * slate.
5072                          */
5073                         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5074                                 if (ether_addr_equal(vf->shadow_config.macs[i],
5075                                                      vf_info->mac)) {
5076                                         memset(vf->shadow_config.macs[i], 0,
5077                                                ETH_ALEN);
5078                                         DP_VERBOSE(hwfn, QED_MSG_IOV,
5079                                                    "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5080                                                     vf_info->mac, vf_id);
5081                                         break;
5082                                 }
5083                         }
5084
5085                         ether_addr_copy(vf_info->mac, force_mac);
5086                         memset(vf_info->forced_mac, 0, ETH_ALEN);
5087                         vf->bulletin.p_virt->valid_bitmap &=
5088                                         ~BIT(MAC_ADDR_FORCED);
5089                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5090                 }
5091         }
5092
5093         /* Update shadow copy with VF MAC when trust mode is turned off */
5094         if (!vf_info->is_trusted_configured) {
5095                 u8 empty_mac[ETH_ALEN];
5096
5097                 memset(empty_mac, 0, ETH_ALEN);
5098                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5099                         if (ether_addr_equal(vf->shadow_config.macs[i],
5100                                              empty_mac)) {
5101                                 ether_addr_copy(vf->shadow_config.macs[i],
5102                                                 vf_info->mac);
5103                                 DP_VERBOSE(hwfn, QED_MSG_IOV,
5104                                            "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5105                                             vf_info->mac, vf_id);
5106                                 break;
5107                         }
5108                 }
5109                 /* Clear bulletin when trust mode is turned off,
5110                  * to have a clean slate for next (normal) operations.
5111                  */
5112                 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5113                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5114         }
5115 }
5116
5117 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5118 {
5119         struct qed_sp_vport_update_params params;
5120         struct qed_filter_accept_flags *flags;
5121         struct qed_public_vf_info *vf_info;
5122         struct qed_vf_info *vf;
5123         u8 mask;
5124         int i;
5125
5126         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5127         flags = &params.accept_flags;
5128
5129         qed_for_each_vf(hwfn, i) {
5130                 /* Need to make sure current requested configuration didn't
5131                  * flip so that we'll end up configuring something that's not
5132                  * needed.
5133                  */
5134                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5135                 if (vf_info->is_trusted_configured ==
5136                     vf_info->is_trusted_request)
5137                         continue;
5138                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
5139
5140                 /* Handle forced MAC mode */
5141                 qed_update_mac_for_vf_trust_change(hwfn, i);
5142
5143                 /* Validate that the VF has a configured vport */
5144                 vf = qed_iov_get_vf_info(hwfn, i, true);
5145                 if (!vf->vport_instance)
5146                         continue;
5147
5148                 memset(&params, 0, sizeof(params));
5149                 params.opaque_fid = vf->opaque_fid;
5150                 params.vport_id = vf->vport_id;
5151
5152                 params.update_ctl_frame_check = 1;
5153                 params.mac_chk_en = !vf_info->is_trusted_configured;
5154                 params.update_accept_any_vlan_flg = 0;
5155
5156                 if (vf_info->accept_any_vlan && vf_info->forced_vlan) {
5157                         params.update_accept_any_vlan_flg = 1;
5158                         params.accept_any_vlan = vf_info->accept_any_vlan;
5159                 }
5160
5161                 if (vf_info->rx_accept_mode & mask) {
5162                         flags->update_rx_mode_config = 1;
5163                         flags->rx_accept_filter = vf_info->rx_accept_mode;
5164                 }
5165
5166                 if (vf_info->tx_accept_mode & mask) {
5167                         flags->update_tx_mode_config = 1;
5168                         flags->tx_accept_filter = vf_info->tx_accept_mode;
5169                 }
5170
5171                 /* Remove if needed; Otherwise this would set the mask */
5172                 if (!vf_info->is_trusted_configured) {
5173                         flags->rx_accept_filter &= ~mask;
5174                         flags->tx_accept_filter &= ~mask;
5175                         params.accept_any_vlan = false;
5176                 }
5177
5178                 if (flags->update_rx_mode_config ||
5179                     flags->update_tx_mode_config ||
5180                     params.update_ctl_frame_check ||
5181                     params.update_accept_any_vlan_flg) {
5182                         DP_VERBOSE(hwfn, QED_MSG_IOV,
5183                                    "vport update config for %s VF[abs 0x%x rel 0x%x]\n",
5184                                    vf_info->is_trusted_configured ? "trusted" : "untrusted",
5185                                    vf->abs_vf_id, vf->relative_vf_id);
5186                         qed_sp_vport_update(hwfn, &params,
5187                                             QED_SPQ_MODE_EBLOCK, NULL);
5188                 }
5189         }
5190 }
5191
5192 static void qed_iov_pf_task(struct work_struct *work)
5193
5194 {
5195         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5196                                              iov_task.work);
5197         int rc;
5198
5199         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5200                 return;
5201
5202         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5203                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5204
5205                 if (!ptt) {
5206                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5207                         return;
5208                 }
5209
5210                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5211                 if (rc)
5212                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5213
5214                 qed_ptt_release(hwfn, ptt);
5215         }
5216
5217         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5218                 qed_handle_vf_msg(hwfn);
5219
5220         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5221                                &hwfn->iov_task_flags))
5222                 qed_handle_pf_set_vf_unicast(hwfn);
5223
5224         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5225                                &hwfn->iov_task_flags))
5226                 qed_handle_bulletin_post(hwfn);
5227
5228         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5229                 qed_iov_handle_trust_change(hwfn);
5230 }
5231
5232 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5233 {
5234         int i;
5235
5236         for_each_hwfn(cdev, i) {
5237                 if (!cdev->hwfns[i].iov_wq)
5238                         continue;
5239
5240                 if (schedule_first) {
5241                         qed_schedule_iov(&cdev->hwfns[i],
5242                                          QED_IOV_WQ_STOP_WQ_FLAG);
5243                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5244                 }
5245
5246                 flush_workqueue(cdev->hwfns[i].iov_wq);
5247                 destroy_workqueue(cdev->hwfns[i].iov_wq);
5248         }
5249 }
5250
5251 int qed_iov_wq_start(struct qed_dev *cdev)
5252 {
5253         char name[NAME_SIZE];
5254         int i;
5255
5256         for_each_hwfn(cdev, i) {
5257                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5258
5259                 /* PFs needs a dedicated workqueue only if they support IOV.
5260                  * VFs always require one.
5261                  */
5262                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5263                         continue;
5264
5265                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5266                          cdev->pdev->bus->number,
5267                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5268
5269                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5270                 if (!p_hwfn->iov_wq) {
5271                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5272                         return -ENOMEM;
5273                 }
5274
5275                 if (IS_PF(cdev))
5276                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5277                 else
5278                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5279         }
5280
5281         return 0;
5282 }
5283
5284 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5285         .configure = &qed_sriov_configure,
5286         .set_mac = &qed_sriov_pf_set_mac,
5287         .set_vlan = &qed_sriov_pf_set_vlan,
5288         .get_config = &qed_get_vf_config,
5289         .set_link_state = &qed_set_vf_link_state,
5290         .set_spoof = &qed_spoof_configure,
5291         .set_rate = &qed_set_vf_rate,
5292         .set_trust = &qed_set_vf_trust,
5293 };