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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #include <linux/etherdevice.h>
  34 #include <linux/crc32.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/qed/qed_iov_if.h>
  37 #include "qed_cxt.h"
  38 #include "qed_hsi.h"
  39 #include "qed_hw.h"
  40 #include "qed_init_ops.h"
  41 #include "qed_int.h"
  42 #include "qed_mcp.h"
  43 #include "qed_reg_addr.h"
  44 #include "qed_sp.h"
  45 #include "qed_sriov.h"
  46 #include "qed_vf.h"
  47 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  48                                u8 opcode,
  49                                __le16 echo,
  50                                union event_ring_data *data, u8 fw_return_code);
  51 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
  52
  53 static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  54 {
  55         u8 legacy = 0;
  56
  57         if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  58             ETH_HSI_VER_NO_PKT_LEN_TUNN)
  59                 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  60
  61         if (!(p_vf->acquire.vfdev_info.capabilities &
  62               VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  63                 legacy |= QED_QCID_LEGACY_VF_CID;
  64
  65         return legacy;
  66 }
  67
  68 /* IOV ramrods */
  69 static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  70 {
  71         struct vf_start_ramrod_data *p_ramrod = NULL;
  72         struct qed_spq_entry *p_ent = NULL;
  73         struct qed_sp_init_data init_data;
  74         int rc = -EINVAL;
  75         u8 fp_minor;
  76
  77         /* Get SPQ entry */
  78         memset(&init_data, 0, sizeof(init_data));
  79         init_data.cid = qed_spq_get_cid(p_hwfn);
  80         init_data.opaque_fid = p_vf->opaque_fid;
  81         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  82
  83         rc = qed_sp_init_request(p_hwfn, &p_ent,
  84                                  COMMON_RAMROD_VF_START,
  85                                  PROTOCOLID_COMMON, &init_data);
  86         if (rc)
  87                 return rc;
  88
  89         p_ramrod = &p_ent->ramrod.vf_start;
  90
  91         p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  92         p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  93
  94         switch (p_hwfn->hw_info.personality) {
  95         case QED_PCI_ETH:
  96                 p_ramrod->personality = PERSONALITY_ETH;
  97                 break;
  98         case QED_PCI_ETH_ROCE:
  99                 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
 100                 break;
 101         default:
 102                 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
 103                           p_hwfn->hw_info.personality);
 104                 qed_sp_destroy_request(p_hwfn, p_ent);
 105                 return -EINVAL;
 106         }
 107
 108         fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
 109         if (fp_minor > ETH_HSI_VER_MINOR &&
 110             fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
 111                 DP_VERBOSE(p_hwfn,
 112                            QED_MSG_IOV,
 113                            "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
 114                            p_vf->abs_vf_id,
 115                            ETH_HSI_VER_MAJOR,
 116                            fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
 117                 fp_minor = ETH_HSI_VER_MINOR;
 118         }
 119
 120         p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
 121         p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
 122
 123         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 124                    "VF[%d] - Starting using HSI %02x.%02x\n",
 125                    p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 126
 127         return qed_spq_post(p_hwfn, p_ent, NULL);
 128 }
 129
 130 static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 131                           u32 concrete_vfid, u16 opaque_vfid)
 132 {
 133         struct vf_stop_ramrod_data *p_ramrod = NULL;
 134         struct qed_spq_entry *p_ent = NULL;
 135         struct qed_sp_init_data init_data;
 136         int rc = -EINVAL;
 137
 138         /* Get SPQ entry */
 139         memset(&init_data, 0, sizeof(init_data));
 140         init_data.cid = qed_spq_get_cid(p_hwfn);
 141         init_data.opaque_fid = opaque_vfid;
 142         init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 143
 144         rc = qed_sp_init_request(p_hwfn, &p_ent,
 145                                  COMMON_RAMROD_VF_STOP,
 146                                  PROTOCOLID_COMMON, &init_data);
 147         if (rc)
 148                 return rc;
 149
 150         p_ramrod = &p_ent->ramrod.vf_stop;
 151
 152         p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 153
 154         return qed_spq_post(p_hwfn, p_ent, NULL);
 155 }
 156
 157 bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 158                            int rel_vf_id,
 159                            bool b_enabled_only, bool b_non_malicious)
 160 {
 161         if (!p_hwfn->pf_iov_info) {
 162                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 163                 return false;
 164         }
 165
 166         if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 167             (rel_vf_id < 0))
 168                 return false;
 169
 170         if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 171             b_enabled_only)
 172                 return false;
 173
 174         if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 175             b_non_malicious)
 176                 return false;
 177
 178         return true;
 179 }
 180
 181 static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 182                                                u16 relative_vf_id,
 183                                                bool b_enabled_only)
 184 {
 185         struct qed_vf_info *vf = NULL;
 186
 187         if (!p_hwfn->pf_iov_info) {
 188                 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 189                 return NULL;
 190         }
 191
 192         if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 193                                   b_enabled_only, false))
 194                 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 195         else
 196                 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 197                        relative_vf_id);
 198
 199         return vf;
 200 }
 201
 202 static struct qed_queue_cid *
 203 qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 204 {
 205         int i;
 206
 207         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 208                 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 209                         return p_queue->cids[i].p_cid;
 210         }
 211
 212         return NULL;
 213 }
 214
 215 enum qed_iov_validate_q_mode {
 216         QED_IOV_VALIDATE_Q_NA,
 217         QED_IOV_VALIDATE_Q_ENABLE,
 218         QED_IOV_VALIDATE_Q_DISABLE,
 219 };
 220
 221 static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 222                                         struct qed_vf_info *p_vf,
 223                                         u16 qid,
 224                                         enum qed_iov_validate_q_mode mode,
 225                                         bool b_is_tx)
 226 {
 227         int i;
 228
 229         if (mode == QED_IOV_VALIDATE_Q_NA)
 230                 return true;
 231
 232         for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 233                 struct qed_vf_queue_cid *p_qcid;
 234
 235                 p_qcid = &p_vf->vf_queues[qid].cids[i];
 236
 237                 if (!p_qcid->p_cid)
 238                         continue;
 239
 240                 if (p_qcid->b_is_tx != b_is_tx)
 241                         continue;
 242
 243                 return mode == QED_IOV_VALIDATE_Q_ENABLE;
 244         }
 245
 246         /* In case we haven't found any valid cid, then its disabled */
 247         return mode == QED_IOV_VALIDATE_Q_DISABLE;
 248 }
 249
 250 static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 251                                  struct qed_vf_info *p_vf,
 252                                  u16 rx_qid,
 253                                  enum qed_iov_validate_q_mode mode)
 254 {
 255         if (rx_qid >= p_vf->num_rxqs) {
 256                 DP_VERBOSE(p_hwfn,
 257                            QED_MSG_IOV,
 258                            "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 259                            p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 260                 return false;
 261         }
 262
 263         return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 264 }
 265
 266 static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 267                                  struct qed_vf_info *p_vf,
 268                                  u16 tx_qid,
 269                                  enum qed_iov_validate_q_mode mode)
 270 {
 271         if (tx_qid >= p_vf->num_txqs) {
 272                 DP_VERBOSE(p_hwfn,
 273                            QED_MSG_IOV,
 274                            "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 275                            p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 276                 return false;
 277         }
 278
 279         return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 280 }
 281
 282 static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 283                                 struct qed_vf_info *p_vf, u16 sb_idx)
 284 {
 285         int i;
 286
 287         for (i = 0; i < p_vf->num_sbs; i++)
 288                 if (p_vf->igu_sbs[i] == sb_idx)
 289                         return true;
 290
 291         DP_VERBOSE(p_hwfn,
 292                    QED_MSG_IOV,
 293                    "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 294                    p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 295
 296         return false;
 297 }
 298
 299 static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 300                                         struct qed_vf_info *p_vf)
 301 {
 302         u8 i;
 303
 304         for (i = 0; i < p_vf->num_rxqs; i++)
 305                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 306                                                 QED_IOV_VALIDATE_Q_ENABLE,
 307                                                 false))
 308                         return true;
 309
 310         return false;
 311 }
 312
 313 static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 314                                         struct qed_vf_info *p_vf)
 315 {
 316         u8 i;
 317
 318         for (i = 0; i < p_vf->num_txqs; i++)
 319                 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 320                                                 QED_IOV_VALIDATE_Q_ENABLE,
 321                                                 true))
 322                         return true;
 323
 324         return false;
 325 }
 326
 327 static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 328                                     int vfid, struct qed_ptt *p_ptt)
 329 {
 330         struct qed_bulletin_content *p_bulletin;
 331         int crc_size = sizeof(p_bulletin->crc);
 332         struct qed_dmae_params params;
 333         struct qed_vf_info *p_vf;
 334
 335         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 336         if (!p_vf)
 337                 return -EINVAL;
 338
 339         if (!p_vf->vf_bulletin)
 340                 return -EINVAL;
 341
 342         p_bulletin = p_vf->bulletin.p_virt;
 343
 344         /* Increment bulletin board version and compute crc */
 345         p_bulletin->version++;
 346         p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 347                                 p_vf->bulletin.size - crc_size);
 348
 349         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 350                    "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 351                    p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 352
 353         /* propagate bulletin board via dmae to vm memory */
 354         memset(&params, 0, sizeof(params));
 355         SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
 356         params.dst_vfid = p_vf->abs_vf_id;
 357         return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 358                                   p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 359                                   &params);
 360 }
 361
 362 static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 363 {
 364         struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 365         int pos = iov->pos;
 366
 367         DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 368         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 369
 370         pci_read_config_word(cdev->pdev,
 371                              pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 372         pci_read_config_word(cdev->pdev,
 373                              pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 374
 375         pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 376         if (iov->num_vfs) {
 377                 DP_VERBOSE(cdev,
 378                            QED_MSG_IOV,
 379                            "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 380                 iov->num_vfs = 0;
 381         }
 382
 383         pci_read_config_word(cdev->pdev,
 384                              pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 385
 386         pci_read_config_word(cdev->pdev,
 387                              pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 388
 389         pci_read_config_word(cdev->pdev,
 390                              pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 391
 392         pci_read_config_dword(cdev->pdev,
 393                               pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 394
 395         pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 396
 397         pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 398
 399         DP_VERBOSE(cdev,
 400                    QED_MSG_IOV,
 401                    "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
 402                    iov->nres,
 403                    iov->cap,
 404                    iov->ctrl,
 405                    iov->total_vfs,
 406                    iov->initial_vfs,
 407                    iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 408
 409         /* Some sanity checks */
 410         if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 411             iov->total_vfs > NUM_OF_VFS(cdev)) {
 412                 /* This can happen only due to a bug. In this case we set
 413                  * num_vfs to zero to avoid memory corruption in the code that
 414                  * assumes max number of vfs
 415                  */
 416                 DP_NOTICE(cdev,
 417                           "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 418                           iov->num_vfs);
 419
 420                 iov->num_vfs = 0;
 421                 iov->total_vfs = 0;
 422         }
 423
 424         return 0;
 425 }
 426
 427 static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 428 {
 429         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 430         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 431         struct qed_bulletin_content *p_bulletin_virt;
 432         dma_addr_t req_p, rply_p, bulletin_p;
 433         union pfvf_tlvs *p_reply_virt_addr;
 434         union vfpf_tlvs *p_req_virt_addr;
 435         u8 idx = 0;
 436
 437         memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 438
 439         p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 440         req_p = p_iov_info->mbx_msg_phys_addr;
 441         p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 442         rply_p = p_iov_info->mbx_reply_phys_addr;
 443         p_bulletin_virt = p_iov_info->p_bulletins;
 444         bulletin_p = p_iov_info->bulletins_phys;
 445         if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 446                 DP_ERR(p_hwfn,
 447                        "qed_iov_setup_vfdb called without allocating mem first\n");
 448                 return;
 449         }
 450
 451         for (idx = 0; idx < p_iov->total_vfs; idx++) {
 452                 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 453                 u32 concrete;
 454
 455                 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 456                 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 457                 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 458                 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 459
 460                 vf->state = VF_STOPPED;
 461                 vf->b_init = false;
 462
 463                 vf->bulletin.phys = idx *
 464                                     sizeof(struct qed_bulletin_content) +
 465                                     bulletin_p;
 466                 vf->bulletin.p_virt = p_bulletin_virt + idx;
 467                 vf->bulletin.size = sizeof(struct qed_bulletin_content);
 468
 469                 vf->relative_vf_id = idx;
 470                 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 471                 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 472                 vf->concrete_fid = concrete;
 473                 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 474                                  (vf->abs_vf_id << 8);
 475                 vf->vport_id = idx + 1;
 476
 477                 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 478                 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 479         }
 480 }
 481
 482 static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 483 {
 484         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 485         void **p_v_addr;
 486         u16 num_vfs = 0;
 487
 488         num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 489
 490         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 491                    "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 492
 493         /* Allocate PF Mailbox buffer (per-VF) */
 494         p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 495         p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 496         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 497                                        p_iov_info->mbx_msg_size,
 498                                        &p_iov_info->mbx_msg_phys_addr,
 499                                        GFP_KERNEL);
 500         if (!*p_v_addr)
 501                 return -ENOMEM;
 502
 503         /* Allocate PF Mailbox Reply buffer (per-VF) */
 504         p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 505         p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 506         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 507                                        p_iov_info->mbx_reply_size,
 508                                        &p_iov_info->mbx_reply_phys_addr,
 509                                        GFP_KERNEL);
 510         if (!*p_v_addr)
 511                 return -ENOMEM;
 512
 513         p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 514                                      num_vfs;
 515         p_v_addr = &p_iov_info->p_bulletins;
 516         *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 517                                        p_iov_info->bulletins_size,
 518                                        &p_iov_info->bulletins_phys,
 519                                        GFP_KERNEL);
 520         if (!*p_v_addr)
 521                 return -ENOMEM;
 522
 523         DP_VERBOSE(p_hwfn,
 524                    QED_MSG_IOV,
 525                    "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 526                    p_iov_info->mbx_msg_virt_addr,
 527                    (u64) p_iov_info->mbx_msg_phys_addr,
 528                    p_iov_info->mbx_reply_virt_addr,
 529                    (u64) p_iov_info->mbx_reply_phys_addr,
 530                    p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 531
 532         return 0;
 533 }
 534
 535 static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 536 {
 537         struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 538
 539         if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 540                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 541                                   p_iov_info->mbx_msg_size,
 542                                   p_iov_info->mbx_msg_virt_addr,
 543                                   p_iov_info->mbx_msg_phys_addr);
 544
 545         if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 546                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 547                                   p_iov_info->mbx_reply_size,
 548                                   p_iov_info->mbx_reply_virt_addr,
 549                                   p_iov_info->mbx_reply_phys_addr);
 550
 551         if (p_iov_info->p_bulletins)
 552                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 553                                   p_iov_info->bulletins_size,
 554                                   p_iov_info->p_bulletins,
 555                                   p_iov_info->bulletins_phys);
 556 }
 557
 558 int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 559 {
 560         struct qed_pf_iov *p_sriov;
 561
 562         if (!IS_PF_SRIOV(p_hwfn)) {
 563                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 564                            "No SR-IOV - no need for IOV db\n");
 565                 return 0;
 566         }
 567
 568         p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 569         if (!p_sriov)
 570                 return -ENOMEM;
 571
 572         p_hwfn->pf_iov_info = p_sriov;
 573
 574         qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 575                                   qed_sriov_eqe_event);
 576
 577         return qed_iov_allocate_vfdb(p_hwfn);
 578 }
 579
 580 void qed_iov_setup(struct qed_hwfn *p_hwfn)
 581 {
 582         if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 583                 return;
 584
 585         qed_iov_setup_vfdb(p_hwfn);
 586 }
 587
 588 void qed_iov_free(struct qed_hwfn *p_hwfn)
 589 {
 590         qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 591
 592         if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 593                 qed_iov_free_vfdb(p_hwfn);
 594                 kfree(p_hwfn->pf_iov_info);
 595         }
 596 }
 597
 598 void qed_iov_free_hw_info(struct qed_dev *cdev)
 599 {
 600         kfree(cdev->p_iov_info);
 601         cdev->p_iov_info = NULL;
 602 }
 603
 604 int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 605 {
 606         struct qed_dev *cdev = p_hwfn->cdev;
 607         int pos;
 608         int rc;
 609
 610         if (IS_VF(p_hwfn->cdev))
 611                 return 0;
 612
 613         /* Learn the PCI configuration */
 614         pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 615                                       PCI_EXT_CAP_ID_SRIOV);
 616         if (!pos) {
 617                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 618                 return 0;
 619         }
 620
 621         /* Allocate a new struct for IOV information */
 622         cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 623         if (!cdev->p_iov_info)
 624                 return -ENOMEM;
 625
 626         cdev->p_iov_info->pos = pos;
 627
 628         rc = qed_iov_pci_cfg_info(cdev);
 629         if (rc)
 630                 return rc;
 631
 632         /* We want PF IOV to be synonemous with the existance of p_iov_info;
 633          * In case the capability is published but there are no VFs, simply
 634          * de-allocate the struct.
 635          */
 636         if (!cdev->p_iov_info->total_vfs) {
 637                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 638                            "IOV capabilities, but no VFs are published\n");
 639                 kfree(cdev->p_iov_info);
 640                 cdev->p_iov_info = NULL;
 641                 return 0;
 642         }
 643
 644         /* First VF index based on offset is tricky:
 645          *  - If ARI is supported [likely], offset - (16 - pf_id) would
 646          *    provide the number for eng0. 2nd engine Vfs would begin
 647          *    after the first engine's VFs.
 648          *  - If !ARI, VFs would start on next device.
 649          *    so offset - (256 - pf_id) would provide the number.
 650          * Utilize the fact that (256 - pf_id) is achieved only by later
 651          * to differentiate between the two.
 652          */
 653
 654         if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 655                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 656                             p_hwfn->abs_pf_id - 16;
 657
 658                 cdev->p_iov_info->first_vf_in_pf = first;
 659
 660                 if (QED_PATH_ID(p_hwfn))
 661                         cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 662         } else {
 663                 u32 first = p_hwfn->cdev->p_iov_info->offset +
 664                             p_hwfn->abs_pf_id - 256;
 665
 666                 cdev->p_iov_info->first_vf_in_pf = first;
 667         }
 668
 669         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 670                    "First VF in hwfn 0x%08x\n",
 671                    cdev->p_iov_info->first_vf_in_pf);
 672
 673         return 0;
 674 }
 675
 676 static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 677                                      int vfid, bool b_fail_malicious)
 678 {
 679         /* Check PF supports sriov */
 680         if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 681             !IS_PF_SRIOV_ALLOC(p_hwfn))
 682                 return false;
 683
 684         /* Check VF validity */
 685         if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 686                 return false;
 687
 688         return true;
 689 }
 690
 691 static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 692 {
 693         return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 694 }
 695
 696 static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 697                                       u16 rel_vf_id, u8 to_disable)
 698 {
 699         struct qed_vf_info *vf;
 700         int i;
 701
 702         for_each_hwfn(cdev, i) {
 703                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 704
 705                 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 706                 if (!vf)
 707                         continue;
 708
 709                 vf->to_disable = to_disable;
 710         }
 711 }
 712
 713 static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 714 {
 715         u16 i;
 716
 717         if (!IS_QED_SRIOV(cdev))
 718                 return;
 719
 720         for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 721                 qed_iov_set_vf_to_disable(cdev, i, to_disable);
 722 }
 723
 724 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 725                                        struct qed_ptt *p_ptt, u8 abs_vfid)
 726 {
 727         qed_wr(p_hwfn, p_ptt,
 728                PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 729                1 << (abs_vfid & 0x1f));
 730 }
 731
 732 static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 733                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 734 {
 735         int i;
 736
 737         /* Set VF masks and configuration - pretend */
 738         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 739
 740         qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 741
 742         /* unpretend */
 743         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 744
 745         /* iterate over all queues, clear sb consumer */
 746         for (i = 0; i < vf->num_sbs; i++)
 747                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 748                                                 vf->igu_sbs[i],
 749                                                 vf->opaque_fid, true);
 750 }
 751
 752 static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 753                                    struct qed_ptt *p_ptt,
 754                                    struct qed_vf_info *vf, bool enable)
 755 {
 756         u32 igu_vf_conf;
 757
 758         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 759
 760         igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 761
 762         if (enable)
 763                 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 764         else
 765                 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 766
 767         qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 768
 769         /* unpretend */
 770         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 771 }
 772
 773 static int
 774 qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 775                               struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 776 {
 777         u8 current_max = 0;
 778         int i;
 779
 780         /* For AH onward, configuration is per-PF. Find maximum of all
 781          * the currently enabled child VFs, and set the number to be that.
 782          */
 783         if (!QED_IS_BB(p_hwfn->cdev)) {
 784                 qed_for_each_vf(p_hwfn, i) {
 785                         struct qed_vf_info *p_vf;
 786
 787                         p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 788                         if (!p_vf)
 789                                 continue;
 790
 791                         current_max = max_t(u8, current_max, p_vf->num_sbs);
 792                 }
 793         }
 794
 795         if (num_sbs > current_max)
 796                 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 797                                               abs_vf_id, num_sbs);
 798
 799         return 0;
 800 }
 801
 802 static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 803                                     struct qed_ptt *p_ptt,
 804                                     struct qed_vf_info *vf)
 805 {
 806         u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 807         int rc;
 808
 809         /* It's possible VF was previously considered malicious -
 810          * clear the indication even if we're only going to disable VF.
 811          */
 812         vf->b_malicious = false;
 813
 814         if (vf->to_disable)
 815                 return 0;
 816
 817         DP_VERBOSE(p_hwfn,
 818                    QED_MSG_IOV,
 819                    "Enable internal access for vf %x [abs %x]\n",
 820                    vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 821
 822         qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 823
 824         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 825
 826         rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 827                                            vf->abs_vf_id, vf->num_sbs);
 828         if (rc)
 829                 return rc;
 830
 831         qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 832
 833         SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 834         STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 835
 836         qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 837                      p_hwfn->hw_info.hw_mode);
 838
 839         /* unpretend */
 840         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 841
 842         vf->state = VF_FREE;
 843
 844         return rc;
 845 }
 846
 847 /**
 848  * @brief qed_iov_config_perm_table - configure the permission
 849  *      zone table.
 850  *      In E4, queue zone permission table size is 320x9. There
 851  *      are 320 VF queues for single engine device (256 for dual
 852  *      engine device), and each entry has the following format:
 853  *      {Valid, VF[7:0]}
 854  * @param p_hwfn
 855  * @param p_ptt
 856  * @param vf
 857  * @param enable
 858  */
 859 static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 860                                       struct qed_ptt *p_ptt,
 861                                       struct qed_vf_info *vf, u8 enable)
 862 {
 863         u32 reg_addr, val;
 864         u16 qzone_id = 0;
 865         int qid;
 866
 867         for (qid = 0; qid < vf->num_rxqs; qid++) {
 868                 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 869                                 &qzone_id);
 870
 871                 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 872                 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 873                 qed_wr(p_hwfn, p_ptt, reg_addr, val);
 874         }
 875 }
 876
 877 static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 878                                       struct qed_ptt *p_ptt,
 879                                       struct qed_vf_info *vf)
 880 {
 881         /* Reset vf in IGU - interrupts are still disabled */
 882         qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 883
 884         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 885
 886         /* Permission Table */
 887         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 888 }
 889
 890 static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 891                                    struct qed_ptt *p_ptt,
 892                                    struct qed_vf_info *vf, u16 num_rx_queues)
 893 {
 894         struct qed_igu_block *p_block;
 895         struct cau_sb_entry sb_entry;
 896         int qid = 0;
 897         u32 val = 0;
 898
 899         if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 900                 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 901         p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 902
 903         SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 904         SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 905         SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 906
 907         for (qid = 0; qid < num_rx_queues; qid++) {
 908                 p_block = qed_get_igu_free_sb(p_hwfn, false);
 909                 vf->igu_sbs[qid] = p_block->igu_sb_id;
 910                 p_block->status &= ~QED_IGU_STATUS_FREE;
 911                 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 912
 913                 qed_wr(p_hwfn, p_ptt,
 914                        IGU_REG_MAPPING_MEMORY +
 915                        sizeof(u32) * p_block->igu_sb_id, val);
 916
 917                 /* Configure igu sb in CAU which were marked valid */
 918                 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 919                                       p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 920
 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, NULL);
 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(params));
1229         SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
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 fastpath 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 queues\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
3006         /* Untrusted VFs can't even be trusted to know that fact.
3007          * Simply indicate everything is configured fine, and trace
3008          * configuration 'behind their back'.
3009          */
3010         if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
3011                 return 0;
3012
3013         vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3014
3015         if (flags->update_rx_mode_config) {
3016                 vf_info->rx_accept_mode = flags->rx_accept_filter;
3017                 if (!vf_info->is_trusted_configured)
3018                         flags->rx_accept_filter &= ~mask;
3019         }
3020
3021         if (flags->update_tx_mode_config) {
3022                 vf_info->tx_accept_mode = flags->tx_accept_filter;
3023                 if (!vf_info->is_trusted_configured)
3024                         flags->tx_accept_filter &= ~mask;
3025         }
3026
3027         return 0;
3028 }
3029
3030 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3031                                         struct qed_ptt *p_ptt,
3032                                         struct qed_vf_info *vf)
3033 {
3034         struct qed_rss_params *p_rss_params = NULL;
3035         struct qed_sp_vport_update_params params;
3036         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3037         struct qed_sge_tpa_params sge_tpa_params;
3038         u16 tlvs_mask = 0, tlvs_accepted = 0;
3039         u8 status = PFVF_STATUS_SUCCESS;
3040         u16 length;
3041         int rc;
3042
3043         /* Valiate PF can send such a request */
3044         if (!vf->vport_instance) {
3045                 DP_VERBOSE(p_hwfn,
3046                            QED_MSG_IOV,
3047                            "No VPORT instance available for VF[%d], failing vport update\n",
3048                            vf->abs_vf_id);
3049                 status = PFVF_STATUS_FAILURE;
3050                 goto out;
3051         }
3052         p_rss_params = vzalloc(sizeof(*p_rss_params));
3053         if (p_rss_params == NULL) {
3054                 status = PFVF_STATUS_FAILURE;
3055                 goto out;
3056         }
3057
3058         memset(&params, 0, sizeof(params));
3059         params.opaque_fid = vf->opaque_fid;
3060         params.vport_id = vf->vport_id;
3061         params.rss_params = NULL;
3062
3063         /* Search for extended tlvs list and update values
3064          * from VF in struct qed_sp_vport_update_params.
3065          */
3066         qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3067         qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3068         qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3069         qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3070         qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3071         qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3072         qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3073                                         &sge_tpa_params, mbx, &tlvs_mask);
3074
3075         tlvs_accepted = tlvs_mask;
3076
3077         /* Some of the extended TLVs need to be validated first; In that case,
3078          * they can update the mask without updating the accepted [so that
3079          * PF could communicate to VF it has rejected request].
3080          */
3081         qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3082                                     mbx, &tlvs_mask, &tlvs_accepted);
3083
3084         if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3085                                      &params, &tlvs_accepted)) {
3086                 tlvs_accepted = 0;
3087                 status = PFVF_STATUS_NOT_SUPPORTED;
3088                 goto out;
3089         }
3090
3091         if (!tlvs_accepted) {
3092                 if (tlvs_mask)
3093                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3094                                    "Upper-layer prevents VF vport configuration\n");
3095                 else
3096                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3097                                    "No feature tlvs found for vport update\n");
3098                 status = PFVF_STATUS_NOT_SUPPORTED;
3099                 goto out;
3100         }
3101
3102         rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3103
3104         if (rc)
3105                 status = PFVF_STATUS_FAILURE;
3106
3107 out:
3108         vfree(p_rss_params);
3109         length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3110                                                   tlvs_mask, tlvs_accepted);
3111         qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3112 }
3113
3114 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3115                                          struct qed_vf_info *p_vf,
3116                                          struct qed_filter_ucast *p_params)
3117 {
3118         int i;
3119
3120         /* First remove entries and then add new ones */
3121         if (p_params->opcode == QED_FILTER_REMOVE) {
3122                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3123                         if (p_vf->shadow_config.vlans[i].used &&
3124                             p_vf->shadow_config.vlans[i].vid ==
3125                             p_params->vlan) {
3126                                 p_vf->shadow_config.vlans[i].used = false;
3127                                 break;
3128                         }
3129                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3130                         DP_VERBOSE(p_hwfn,
3131                                    QED_MSG_IOV,
3132                                    "VF [%d] - Tries to remove a non-existing vlan\n",
3133                                    p_vf->relative_vf_id);
3134                         return -EINVAL;
3135                 }
3136         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3137                    p_params->opcode == QED_FILTER_FLUSH) {
3138                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3139                         p_vf->shadow_config.vlans[i].used = false;
3140         }
3141
3142         /* In forced mode, we're willing to remove entries - but we don't add
3143          * new ones.
3144          */
3145         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3146                 return 0;
3147
3148         if (p_params->opcode == QED_FILTER_ADD ||
3149             p_params->opcode == QED_FILTER_REPLACE) {
3150                 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3151                         if (p_vf->shadow_config.vlans[i].used)
3152                                 continue;
3153
3154                         p_vf->shadow_config.vlans[i].used = true;
3155                         p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3156                         break;
3157                 }
3158
3159                 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3160                         DP_VERBOSE(p_hwfn,
3161                                    QED_MSG_IOV,
3162                                    "VF [%d] - Tries to configure more than %d vlan filters\n",
3163                                    p_vf->relative_vf_id,
3164                                    QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3165                         return -EINVAL;
3166                 }
3167         }
3168
3169         return 0;
3170 }
3171
3172 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3173                                         struct qed_vf_info *p_vf,
3174                                         struct qed_filter_ucast *p_params)
3175 {
3176         int i;
3177
3178         /* If we're in forced-mode, we don't allow any change */
3179         if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3180                 return 0;
3181
3182         /* Don't keep track of shadow copy since we don't intend to restore. */
3183         if (p_vf->p_vf_info.is_trusted_configured)
3184                 return 0;
3185
3186         /* First remove entries and then add new ones */
3187         if (p_params->opcode == QED_FILTER_REMOVE) {
3188                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3189                         if (ether_addr_equal(p_vf->shadow_config.macs[i],
3190                                              p_params->mac)) {
3191                                 eth_zero_addr(p_vf->shadow_config.macs[i]);
3192                                 break;
3193                         }
3194                 }
3195
3196                 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3197                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3198                                    "MAC isn't configured\n");
3199                         return -EINVAL;
3200                 }
3201         } else if (p_params->opcode == QED_FILTER_REPLACE ||
3202                    p_params->opcode == QED_FILTER_FLUSH) {
3203                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3204                         eth_zero_addr(p_vf->shadow_config.macs[i]);
3205         }
3206
3207         /* List the new MAC address */
3208         if (p_params->opcode != QED_FILTER_ADD &&
3209             p_params->opcode != QED_FILTER_REPLACE)
3210                 return 0;
3211
3212         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3213                 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3214                         ether_addr_copy(p_vf->shadow_config.macs[i],
3215                                         p_params->mac);
3216                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3217                                    "Added MAC at %d entry in shadow\n", i);
3218                         break;
3219                 }
3220         }
3221
3222         if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3223                 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3224                 return -EINVAL;
3225         }
3226
3227         return 0;
3228 }
3229
3230 static int
3231 qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3232                                  struct qed_vf_info *p_vf,
3233                                  struct qed_filter_ucast *p_params)
3234 {
3235         int rc = 0;
3236
3237         if (p_params->type == QED_FILTER_MAC) {
3238                 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3239                 if (rc)
3240                         return rc;
3241         }
3242
3243         if (p_params->type == QED_FILTER_VLAN)
3244                 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3245
3246         return rc;
3247 }
3248
3249 static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3250                              int vfid, struct qed_filter_ucast *params)
3251 {
3252         struct qed_public_vf_info *vf;
3253
3254         vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3255         if (!vf)
3256                 return -EINVAL;
3257
3258         /* No real decision to make; Store the configured MAC */
3259         if (params->type == QED_FILTER_MAC ||
3260             params->type == QED_FILTER_MAC_VLAN) {
3261                 ether_addr_copy(vf->mac, params->mac);
3262
3263                 if (vf->is_trusted_configured) {
3264                         qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3265
3266                         /* Update and post bulleitin again */
3267                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3268                 }
3269         }
3270
3271         return 0;
3272 }
3273
3274 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3275                                         struct qed_ptt *p_ptt,
3276                                         struct qed_vf_info *vf)
3277 {
3278         struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3279         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3280         struct vfpf_ucast_filter_tlv *req;
3281         u8 status = PFVF_STATUS_SUCCESS;
3282         struct qed_filter_ucast params;
3283         int rc;
3284
3285         /* Prepare the unicast filter params */
3286         memset(&params, 0, sizeof(struct qed_filter_ucast));
3287         req = &mbx->req_virt->ucast_filter;
3288         params.opcode = (enum qed_filter_opcode)req->opcode;
3289         params.type = (enum qed_filter_ucast_type)req->type;
3290
3291         params.is_rx_filter = 1;
3292         params.is_tx_filter = 1;
3293         params.vport_to_remove_from = vf->vport_id;
3294         params.vport_to_add_to = vf->vport_id;
3295         memcpy(params.mac, req->mac, ETH_ALEN);
3296         params.vlan = req->vlan;
3297
3298         DP_VERBOSE(p_hwfn,
3299                    QED_MSG_IOV,
3300                    "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3301                    vf->abs_vf_id, params.opcode, params.type,
3302                    params.is_rx_filter ? "RX" : "",
3303                    params.is_tx_filter ? "TX" : "",
3304                    params.vport_to_add_to,
3305                    params.mac[0], params.mac[1],
3306                    params.mac[2], params.mac[3],
3307                    params.mac[4], params.mac[5], params.vlan);
3308
3309         if (!vf->vport_instance) {
3310                 DP_VERBOSE(p_hwfn,
3311                            QED_MSG_IOV,
3312                            "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3313                            vf->abs_vf_id);
3314                 status = PFVF_STATUS_FAILURE;
3315                 goto out;
3316         }
3317
3318         /* Update shadow copy of the VF configuration */
3319         if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3320                 status = PFVF_STATUS_FAILURE;
3321                 goto out;
3322         }
3323
3324         /* Determine if the unicast filtering is acceptible by PF */
3325         if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3326             (params.type == QED_FILTER_VLAN ||
3327              params.type == QED_FILTER_MAC_VLAN)) {
3328                 /* Once VLAN is forced or PVID is set, do not allow
3329                  * to add/replace any further VLANs.
3330                  */
3331                 if (params.opcode == QED_FILTER_ADD ||
3332                     params.opcode == QED_FILTER_REPLACE)
3333                         status = PFVF_STATUS_FORCED;
3334                 goto out;
3335         }
3336
3337         if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3338             (params.type == QED_FILTER_MAC ||
3339              params.type == QED_FILTER_MAC_VLAN)) {
3340                 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3341                     (params.opcode != QED_FILTER_ADD &&
3342                      params.opcode != QED_FILTER_REPLACE))
3343                         status = PFVF_STATUS_FORCED;
3344                 goto out;
3345         }
3346
3347         rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3348         if (rc) {
3349                 status = PFVF_STATUS_FAILURE;
3350                 goto out;
3351         }
3352
3353         rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3354                                      QED_SPQ_MODE_CB, NULL);
3355         if (rc)
3356                 status = PFVF_STATUS_FAILURE;
3357
3358 out:
3359         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3360                              sizeof(struct pfvf_def_resp_tlv), status);
3361 }
3362
3363 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3364                                        struct qed_ptt *p_ptt,
3365                                        struct qed_vf_info *vf)
3366 {
3367         int i;
3368
3369         /* Reset the SBs */
3370         for (i = 0; i < vf->num_sbs; i++)
3371                 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3372                                                 vf->igu_sbs[i],
3373                                                 vf->opaque_fid, false);
3374
3375         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3376                              sizeof(struct pfvf_def_resp_tlv),
3377                              PFVF_STATUS_SUCCESS);
3378 }
3379
3380 static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3381                                  struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3382 {
3383         u16 length = sizeof(struct pfvf_def_resp_tlv);
3384         u8 status = PFVF_STATUS_SUCCESS;
3385
3386         /* Disable Interrupts for VF */
3387         qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3388
3389         /* Reset Permission table */
3390         qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3391
3392         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3393                              length, status);
3394 }
3395
3396 static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3397                                    struct qed_ptt *p_ptt,
3398                                    struct qed_vf_info *p_vf)
3399 {
3400         u16 length = sizeof(struct pfvf_def_resp_tlv);
3401         u8 status = PFVF_STATUS_SUCCESS;
3402         int rc = 0;
3403
3404         qed_iov_vf_cleanup(p_hwfn, p_vf);
3405
3406         if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3407                 /* Stopping the VF */
3408                 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3409                                     p_vf->opaque_fid);
3410
3411                 if (rc) {
3412                         DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3413                                rc);
3414                         status = PFVF_STATUS_FAILURE;
3415                 }
3416
3417                 p_vf->state = VF_STOPPED;
3418         }
3419
3420         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3421                              length, status);
3422 }
3423
3424 static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3425                                        struct qed_ptt *p_ptt,
3426                                        struct qed_vf_info *p_vf)
3427 {
3428         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3429         struct pfvf_read_coal_resp_tlv *p_resp;
3430         struct vfpf_read_coal_req_tlv *req;
3431         u8 status = PFVF_STATUS_FAILURE;
3432         struct qed_vf_queue *p_queue;
3433         struct qed_queue_cid *p_cid;
3434         u16 coal = 0, qid, i;
3435         bool b_is_rx;
3436         int rc = 0;
3437
3438         mbx->offset = (u8 *)mbx->reply_virt;
3439         req = &mbx->req_virt->read_coal_req;
3440
3441         qid = req->qid;
3442         b_is_rx = req->is_rx ? true : false;
3443
3444         if (b_is_rx) {
3445                 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3446                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3447                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3448                                    "VF[%d]: Invalid Rx queue_id = %d\n",
3449                                    p_vf->abs_vf_id, qid);
3450                         goto send_resp;
3451                 }
3452
3453                 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3454                 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3455                 if (rc)
3456                         goto send_resp;
3457         } else {
3458                 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3459                                           QED_IOV_VALIDATE_Q_ENABLE)) {
3460                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3461                                    "VF[%d]: Invalid Tx queue_id = %d\n",
3462                                    p_vf->abs_vf_id, qid);
3463                         goto send_resp;
3464                 }
3465                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3466                         p_queue = &p_vf->vf_queues[qid];
3467                         if ((!p_queue->cids[i].p_cid) ||
3468                             (!p_queue->cids[i].b_is_tx))
3469                                 continue;
3470
3471                         p_cid = p_queue->cids[i].p_cid;
3472
3473                         rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3474                         if (rc)
3475                                 goto send_resp;
3476                         break;
3477                 }
3478         }
3479
3480         status = PFVF_STATUS_SUCCESS;
3481
3482 send_resp:
3483         p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3484                              sizeof(*p_resp));
3485         p_resp->coal = coal;
3486
3487         qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3488                     sizeof(struct channel_list_end_tlv));
3489
3490         qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3491 }
3492
3493 static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3494                                        struct qed_ptt *p_ptt,
3495                                        struct qed_vf_info *vf)
3496 {
3497         struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3498         struct vfpf_update_coalesce *req;
3499         u8 status = PFVF_STATUS_FAILURE;
3500         struct qed_queue_cid *p_cid;
3501         u16 rx_coal, tx_coal;
3502         int rc = 0, i;
3503         u16 qid;
3504
3505         req = &mbx->req_virt->update_coalesce;
3506
3507         rx_coal = req->rx_coal;
3508         tx_coal = req->tx_coal;
3509         qid = req->qid;
3510
3511         if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3512                                   QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3513                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3514                            "VF[%d]: Invalid Rx queue_id = %d\n",
3515                            vf->abs_vf_id, qid);
3516                 goto out;
3517         }
3518
3519         if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3520                                   QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3521                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3522                            "VF[%d]: Invalid Tx queue_id = %d\n",
3523                            vf->abs_vf_id, qid);
3524                 goto out;
3525         }
3526
3527         DP_VERBOSE(p_hwfn,
3528                    QED_MSG_IOV,
3529                    "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3530                    vf->abs_vf_id, rx_coal, tx_coal, qid);
3531
3532         if (rx_coal) {
3533                 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3534
3535                 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3536                 if (rc) {
3537                         DP_VERBOSE(p_hwfn,
3538                                    QED_MSG_IOV,
3539                                    "VF[%d]: Unable to set rx queue = %d coalesce\n",
3540                                    vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3541                         goto out;
3542                 }
3543                 vf->rx_coal = rx_coal;
3544         }
3545
3546         if (tx_coal) {
3547                 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3548
3549                 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3550                         if (!p_queue->cids[i].p_cid)
3551                                 continue;
3552
3553                         if (!p_queue->cids[i].b_is_tx)
3554                                 continue;
3555
3556                         rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3557                                                   p_queue->cids[i].p_cid);
3558
3559                         if (rc) {
3560                                 DP_VERBOSE(p_hwfn,
3561                                            QED_MSG_IOV,
3562                                            "VF[%d]: Unable to set tx queue coalesce\n",
3563                                            vf->abs_vf_id);
3564                                 goto out;
3565                         }
3566                 }
3567                 vf->tx_coal = tx_coal;
3568         }
3569
3570         status = PFVF_STATUS_SUCCESS;
3571 out:
3572         qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3573                              sizeof(struct pfvf_def_resp_tlv), status);
3574 }
3575 static int
3576 qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3577                          struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3578 {
3579         int cnt;
3580         u32 val;
3581
3582         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3583
3584         for (cnt = 0; cnt < 50; cnt++) {
3585                 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3586                 if (!val)
3587                         break;
3588                 msleep(20);
3589         }
3590         qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3591
3592         if (cnt == 50) {
3593                 DP_ERR(p_hwfn,
3594                        "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3595                        p_vf->abs_vf_id, val);
3596                 return -EBUSY;
3597         }
3598
3599         return 0;
3600 }
3601
3602 static int
3603 qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3604                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3605 {
3606         u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3607         int i, cnt;
3608
3609         /* Read initial consumers & producers */
3610         for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3611                 u32 prod;
3612
3613                 cons[i] = qed_rd(p_hwfn, p_ptt,
3614                                  PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3615                                  i * 0x40);
3616                 prod = qed_rd(p_hwfn, p_ptt,
3617                               PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3618                               i * 0x40);
3619                 distance[i] = prod - cons[i];
3620         }
3621
3622         /* Wait for consumers to pass the producers */
3623         i = 0;
3624         for (cnt = 0; cnt < 50; cnt++) {
3625                 for (; i < MAX_NUM_VOQS_E4; i++) {
3626                         u32 tmp;
3627
3628                         tmp = qed_rd(p_hwfn, p_ptt,
3629                                      PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3630                                      i * 0x40);
3631                         if (distance[i] > tmp - cons[i])
3632                                 break;
3633                 }
3634
3635                 if (i == MAX_NUM_VOQS_E4)
3636                         break;
3637
3638                 msleep(20);
3639         }
3640
3641         if (cnt == 50) {
3642                 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3643                        p_vf->abs_vf_id, i);
3644                 return -EBUSY;
3645         }
3646
3647         return 0;
3648 }
3649
3650 static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3651                                struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3652 {
3653         int rc;
3654
3655         rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3656         if (rc)
3657                 return rc;
3658
3659         rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3660         if (rc)
3661                 return rc;
3662
3663         return 0;
3664 }
3665
3666 static int
3667 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3668                                struct qed_ptt *p_ptt,
3669                                u16 rel_vf_id, u32 *ack_vfs)
3670 {
3671         struct qed_vf_info *p_vf;
3672         int rc = 0;
3673
3674         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3675         if (!p_vf)
3676                 return 0;
3677
3678         if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3679             (1ULL << (rel_vf_id % 64))) {
3680                 u16 vfid = p_vf->abs_vf_id;
3681
3682                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3683                            "VF[%d] - Handling FLR\n", vfid);
3684
3685                 qed_iov_vf_cleanup(p_hwfn, p_vf);
3686
3687                 /* If VF isn't active, no need for anything but SW */
3688                 if (!p_vf->b_init)
3689                         goto cleanup;
3690
3691                 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3692                 if (rc)
3693                         goto cleanup;
3694
3695                 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3696                 if (rc) {
3697                         DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3698                         return rc;
3699                 }
3700
3701                 /* Workaround to make VF-PF channel ready, as FW
3702                  * doesn't do that as a part of FLR.
3703                  */
3704                 REG_WR(p_hwfn,
3705                        GTT_BAR0_MAP_REG_USDM_RAM +
3706                        USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3707
3708                 /* VF_STOPPED has to be set only after final cleanup
3709                  * but prior to re-enabling the VF.
3710                  */
3711                 p_vf->state = VF_STOPPED;
3712
3713                 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3714                 if (rc) {
3715                         DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3716                                vfid);
3717                         return rc;
3718                 }
3719 cleanup:
3720                 /* Mark VF for ack and clean pending state */
3721                 if (p_vf->state == VF_RESET)
3722                         p_vf->state = VF_STOPPED;
3723                 ack_vfs[vfid / 32] |= BIT((vfid % 32));
3724                 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3725                     ~(1ULL << (rel_vf_id % 64));
3726                 p_vf->vf_mbx.b_pending_msg = false;
3727         }
3728
3729         return rc;
3730 }
3731
3732 static int
3733 qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3734 {
3735         u32 ack_vfs[VF_MAX_STATIC / 32];
3736         int rc = 0;
3737         u16 i;
3738
3739         memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3740
3741         /* Since BRB <-> PRS interface can't be tested as part of the flr
3742          * polling due to HW limitations, simply sleep a bit. And since
3743          * there's no need to wait per-vf, do it before looping.
3744          */
3745         msleep(100);
3746
3747         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3748                 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3749
3750         rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3751         return rc;
3752 }
3753
3754 bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3755 {
3756         bool found = false;
3757         u16 i;
3758
3759         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3760         for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3761                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3762                            "[%08x,...,%08x]: %08x\n",
3763                            i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3764
3765         if (!p_hwfn->cdev->p_iov_info) {
3766                 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3767                 return false;
3768         }
3769
3770         /* Mark VFs */
3771         for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3772                 struct qed_vf_info *p_vf;
3773                 u8 vfid;
3774
3775                 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3776                 if (!p_vf)
3777                         continue;
3778
3779                 vfid = p_vf->abs_vf_id;
3780                 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3781                         u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3782                         u16 rel_vf_id = p_vf->relative_vf_id;
3783
3784                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3785                                    "VF[%d] [rel %d] got FLR-ed\n",
3786                                    vfid, rel_vf_id);
3787
3788                         p_vf->state = VF_RESET;
3789
3790                         /* No need to lock here, since pending_flr should
3791                          * only change here and before ACKing MFw. Since
3792                          * MFW will not trigger an additional attention for
3793                          * VF flr until ACKs, we're safe.
3794                          */
3795                         p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3796                         found = true;
3797                 }
3798         }
3799
3800         return found;
3801 }
3802
3803 static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3804                              u16 vfid,
3805                              struct qed_mcp_link_params *p_params,
3806                              struct qed_mcp_link_state *p_link,
3807                              struct qed_mcp_link_capabilities *p_caps)
3808 {
3809         struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3810                                                        vfid,
3811                                                        false);
3812         struct qed_bulletin_content *p_bulletin;
3813
3814         if (!p_vf)
3815                 return;
3816
3817         p_bulletin = p_vf->bulletin.p_virt;
3818
3819         if (p_params)
3820                 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3821         if (p_link)
3822                 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3823         if (p_caps)
3824                 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3825 }
3826
3827 static int
3828 qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3829                                   struct qed_ptt *p_ptt,
3830                                   struct qed_vf_info *p_vf)
3831 {
3832         struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3833         struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3834         struct vfpf_bulletin_update_mac_tlv *p_req;
3835         u8 status = PFVF_STATUS_SUCCESS;
3836         int rc = 0;
3837
3838         if (!p_vf->p_vf_info.is_trusted_configured) {
3839                 DP_VERBOSE(p_hwfn,
3840                            QED_MSG_IOV,
3841                            "Blocking bulletin update request from untrusted VF[%d]\n",
3842                            p_vf->abs_vf_id);
3843                 status = PFVF_STATUS_NOT_SUPPORTED;
3844                 rc = -EINVAL;
3845                 goto send_status;
3846         }
3847
3848         p_req = &mbx->req_virt->bulletin_update_mac;
3849         ether_addr_copy(p_bulletin->mac, p_req->mac);
3850         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3851                    "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3852                    p_vf->abs_vf_id, p_req->mac);
3853
3854 send_status:
3855         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3856                              CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3857                              sizeof(struct pfvf_def_resp_tlv), status);
3858         return rc;
3859 }
3860
3861 static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3862                                     struct qed_ptt *p_ptt, int vfid)
3863 {
3864         struct qed_iov_vf_mbx *mbx;
3865         struct qed_vf_info *p_vf;
3866
3867         p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3868         if (!p_vf)
3869                 return;
3870
3871         mbx = &p_vf->vf_mbx;
3872
3873         /* qed_iov_process_mbx_request */
3874         if (!mbx->b_pending_msg) {
3875                 DP_NOTICE(p_hwfn,
3876                           "VF[%02x]: Trying to process mailbox message when none is pending\n",
3877                           p_vf->abs_vf_id);
3878                 return;
3879         }
3880         mbx->b_pending_msg = false;
3881
3882         mbx->first_tlv = mbx->req_virt->first_tlv;
3883
3884         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3885                    "VF[%02x]: Processing mailbox message [type %04x]\n",
3886                    p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3887
3888         /* check if tlv type is known */
3889         if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3890             !p_vf->b_malicious) {
3891                 switch (mbx->first_tlv.tl.type) {
3892                 case CHANNEL_TLV_ACQUIRE:
3893                         qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3894                         break;
3895                 case CHANNEL_TLV_VPORT_START:
3896                         qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3897                         break;
3898                 case CHANNEL_TLV_VPORT_TEARDOWN:
3899                         qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3900                         break;
3901                 case CHANNEL_TLV_START_RXQ:
3902                         qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3903                         break;
3904                 case CHANNEL_TLV_START_TXQ:
3905                         qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3906                         break;
3907                 case CHANNEL_TLV_STOP_RXQS:
3908                         qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3909                         break;
3910                 case CHANNEL_TLV_STOP_TXQS:
3911                         qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3912                         break;
3913                 case CHANNEL_TLV_UPDATE_RXQ:
3914                         qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3915                         break;
3916                 case CHANNEL_TLV_VPORT_UPDATE:
3917                         qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3918                         break;
3919                 case CHANNEL_TLV_UCAST_FILTER:
3920                         qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3921                         break;
3922                 case CHANNEL_TLV_CLOSE:
3923                         qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3924                         break;
3925                 case CHANNEL_TLV_INT_CLEANUP:
3926                         qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3927                         break;
3928                 case CHANNEL_TLV_RELEASE:
3929                         qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3930                         break;
3931                 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3932                         qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3933                         break;
3934                 case CHANNEL_TLV_COALESCE_UPDATE:
3935                         qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3936                         break;
3937                 case CHANNEL_TLV_COALESCE_READ:
3938                         qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3939                         break;
3940                 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3941                         qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3942                         break;
3943                 }
3944         } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3945                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3946                            "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3947                            p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3948
3949                 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3950                                      mbx->first_tlv.tl.type,
3951                                      sizeof(struct pfvf_def_resp_tlv),
3952                                      PFVF_STATUS_MALICIOUS);
3953         } else {
3954                 /* unknown TLV - this may belong to a VF driver from the future
3955                  * - a version written after this PF driver was written, which
3956                  * supports features unknown as of yet. Too bad since we don't
3957                  * support them. Or this may be because someone wrote a crappy
3958                  * VF driver and is sending garbage over the channel.
3959                  */
3960                 DP_NOTICE(p_hwfn,
3961                           "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3962                           p_vf->abs_vf_id,
3963                           mbx->first_tlv.tl.type,
3964                           mbx->first_tlv.tl.length,
3965                           mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3966
3967                 /* Try replying in case reply address matches the acquisition's
3968                  * posted address.
3969                  */
3970                 if (p_vf->acquire.first_tlv.reply_address &&
3971                     (mbx->first_tlv.reply_address ==
3972                      p_vf->acquire.first_tlv.reply_address)) {
3973                         qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3974                                              mbx->first_tlv.tl.type,
3975                                              sizeof(struct pfvf_def_resp_tlv),
3976                                              PFVF_STATUS_NOT_SUPPORTED);
3977                 } else {
3978                         DP_VERBOSE(p_hwfn,
3979                                    QED_MSG_IOV,
3980                                    "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3981                                    p_vf->abs_vf_id);
3982                 }
3983         }
3984 }
3985
3986 static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3987 {
3988         int i;
3989
3990         memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3991
3992         qed_for_each_vf(p_hwfn, i) {
3993                 struct qed_vf_info *p_vf;
3994
3995                 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3996                 if (p_vf->vf_mbx.b_pending_msg)
3997                         events[i / 64] |= 1ULL << (i % 64);
3998         }
3999 }
4000
4001 static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
4002                                                        u16 abs_vfid)
4003 {
4004         u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
4005
4006         if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
4007                 DP_VERBOSE(p_hwfn,
4008                            QED_MSG_IOV,
4009                            "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
4010                            abs_vfid);
4011                 return NULL;
4012         }
4013
4014         return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
4015 }
4016
4017 static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
4018                               u16 abs_vfid, struct regpair *vf_msg)
4019 {
4020         struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
4021                            abs_vfid);
4022
4023         if (!p_vf)
4024                 return 0;
4025
4026         /* List the physical address of the request so that handler
4027          * could later on copy the message from it.
4028          */
4029         p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
4030
4031         /* Mark the event and schedule the workqueue */
4032         p_vf->vf_mbx.b_pending_msg = true;
4033         qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4034
4035         return 0;
4036 }
4037
4038 static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4039                                      struct malicious_vf_eqe_data *p_data)
4040 {
4041         struct qed_vf_info *p_vf;
4042
4043         p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4044
4045         if (!p_vf)
4046                 return;
4047
4048         if (!p_vf->b_malicious) {
4049                 DP_NOTICE(p_hwfn,
4050                           "VF [%d] - Malicious behavior [%02x]\n",
4051                           p_vf->abs_vf_id, p_data->err_id);
4052
4053                 p_vf->b_malicious = true;
4054         } else {
4055                 DP_INFO(p_hwfn,
4056                         "VF [%d] - Malicious behavior [%02x]\n",
4057                         p_vf->abs_vf_id, p_data->err_id);
4058         }
4059 }
4060
4061 static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4062                                u8 opcode,
4063                                __le16 echo,
4064                                union event_ring_data *data, u8 fw_return_code)
4065 {
4066         switch (opcode) {
4067         case COMMON_EVENT_VF_PF_CHANNEL:
4068                 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4069                                           &data->vf_pf_channel.msg_addr);
4070         case COMMON_EVENT_MALICIOUS_VF:
4071                 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4072                 return 0;
4073         default:
4074                 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4075                         opcode);
4076                 return -EINVAL;
4077         }
4078 }
4079
4080 u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4081 {
4082         struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4083         u16 i;
4084
4085         if (!p_iov)
4086                 goto out;
4087
4088         for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4089                 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4090                         return i;
4091
4092 out:
4093         return MAX_NUM_VFS;
4094 }
4095
4096 static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4097                                int vfid)
4098 {
4099         struct qed_dmae_params params;
4100         struct qed_vf_info *vf_info;
4101
4102         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4103         if (!vf_info)
4104                 return -EINVAL;
4105
4106         memset(&params, 0, sizeof(params));
4107         SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1);
4108         SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1);
4109         params.src_vfid = vf_info->abs_vf_id;
4110
4111         if (qed_dmae_host2host(p_hwfn, ptt,
4112                                vf_info->vf_mbx.pending_req,
4113                                vf_info->vf_mbx.req_phys,
4114                                sizeof(union vfpf_tlvs) / 4, &params)) {
4115                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4116                            "Failed to copy message from VF 0x%02x\n", vfid);
4117
4118                 return -EIO;
4119         }
4120
4121         return 0;
4122 }
4123
4124 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4125                                             u8 *mac, int vfid)
4126 {
4127         struct qed_vf_info *vf_info;
4128         u64 feature;
4129
4130         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4131         if (!vf_info) {
4132                 DP_NOTICE(p_hwfn->cdev,
4133                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4134                 return;
4135         }
4136
4137         if (vf_info->b_malicious) {
4138                 DP_NOTICE(p_hwfn->cdev,
4139                           "Can't set forced MAC to malicious VF [%d]\n", vfid);
4140                 return;
4141         }
4142
4143         if (vf_info->p_vf_info.is_trusted_configured) {
4144                 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4145                 /* Trust mode will disable Forced MAC */
4146                 vf_info->bulletin.p_virt->valid_bitmap &=
4147                         ~BIT(MAC_ADDR_FORCED);
4148         } else {
4149                 feature = BIT(MAC_ADDR_FORCED);
4150                 /* Forced MAC will disable MAC_ADDR */
4151                 vf_info->bulletin.p_virt->valid_bitmap &=
4152                         ~BIT(VFPF_BULLETIN_MAC_ADDR);
4153         }
4154
4155         memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4156
4157         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4158
4159         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4160 }
4161
4162 static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4163 {
4164         struct qed_vf_info *vf_info;
4165         u64 feature;
4166
4167         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4168         if (!vf_info) {
4169                 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4170                           vfid);
4171                 return -EINVAL;
4172         }
4173
4174         if (vf_info->b_malicious) {
4175                 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4176                           vfid);
4177                 return -EINVAL;
4178         }
4179
4180         if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4181                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4182                            "Can not set MAC, Forced MAC is configured\n");
4183                 return -EINVAL;
4184         }
4185
4186         feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4187         ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4188
4189         vf_info->bulletin.p_virt->valid_bitmap |= feature;
4190
4191         if (vf_info->p_vf_info.is_trusted_configured)
4192                 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4193
4194         return 0;
4195 }
4196
4197 static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4198                                              u16 pvid, int vfid)
4199 {
4200         struct qed_vf_info *vf_info;
4201         u64 feature;
4202
4203         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4204         if (!vf_info) {
4205                 DP_NOTICE(p_hwfn->cdev,
4206                           "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4207                 return;
4208         }
4209
4210         if (vf_info->b_malicious) {
4211                 DP_NOTICE(p_hwfn->cdev,
4212                           "Can't set forced vlan to malicious VF [%d]\n", vfid);
4213                 return;
4214         }
4215
4216         feature = 1 << VLAN_ADDR_FORCED;
4217         vf_info->bulletin.p_virt->pvid = pvid;
4218         if (pvid)
4219                 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4220         else
4221                 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4222
4223         qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4224 }
4225
4226 void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4227                                     int vfid, u16 vxlan_port, u16 geneve_port)
4228 {
4229         struct qed_vf_info *vf_info;
4230
4231         vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4232         if (!vf_info) {
4233                 DP_NOTICE(p_hwfn->cdev,
4234                           "Can not set udp ports, invalid vfid [%d]\n", vfid);
4235                 return;
4236         }
4237
4238         if (vf_info->b_malicious) {
4239                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4240                            "Can not set udp ports to malicious VF [%d]\n",
4241                            vfid);
4242                 return;
4243         }
4244
4245         vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4246         vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4247 }
4248
4249 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4250 {
4251         struct qed_vf_info *p_vf_info;
4252
4253         p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4254         if (!p_vf_info)
4255                 return false;
4256
4257         return !!p_vf_info->vport_instance;
4258 }
4259
4260 static bool qed_iov_is_vf_stopped(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 true;
4267
4268         return p_vf_info->state == VF_STOPPED;
4269 }
4270
4271 static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4272 {
4273         struct qed_vf_info *vf_info;
4274
4275         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4276         if (!vf_info)
4277                 return false;
4278
4279         return vf_info->spoof_chk;
4280 }
4281
4282 static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4283 {
4284         struct qed_vf_info *vf;
4285         int rc = -EINVAL;
4286
4287         if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4288                 DP_NOTICE(p_hwfn,
4289                           "SR-IOV sanity check failed, can't set spoofchk\n");
4290                 goto out;
4291         }
4292
4293         vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4294         if (!vf)
4295                 goto out;
4296
4297         if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4298                 /* After VF VPORT start PF will configure spoof check */
4299                 vf->req_spoofchk_val = val;
4300                 rc = 0;
4301                 goto out;
4302         }
4303
4304         rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4305
4306 out:
4307         return rc;
4308 }
4309
4310 static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4311 {
4312         struct qed_vf_info *p_vf;
4313
4314         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4315         if (!p_vf || !p_vf->bulletin.p_virt)
4316                 return NULL;
4317
4318         if (!(p_vf->bulletin.p_virt->valid_bitmap &
4319               BIT(VFPF_BULLETIN_MAC_ADDR)))
4320                 return NULL;
4321
4322         return p_vf->bulletin.p_virt->mac;
4323 }
4324
4325 static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4326                                            u16 rel_vf_id)
4327 {
4328         struct qed_vf_info *p_vf;
4329
4330         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4331         if (!p_vf || !p_vf->bulletin.p_virt)
4332                 return NULL;
4333
4334         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4335                 return NULL;
4336
4337         return p_vf->bulletin.p_virt->mac;
4338 }
4339
4340 static u16
4341 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4342 {
4343         struct qed_vf_info *p_vf;
4344
4345         p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4346         if (!p_vf || !p_vf->bulletin.p_virt)
4347                 return 0;
4348
4349         if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4350                 return 0;
4351
4352         return p_vf->bulletin.p_virt->pvid;
4353 }
4354
4355 static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4356                                      struct qed_ptt *p_ptt, int vfid, int val)
4357 {
4358         struct qed_vf_info *vf;
4359         u8 abs_vp_id = 0;
4360         u16 rl_id;
4361         int rc;
4362
4363         vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4364         if (!vf)
4365                 return -EINVAL;
4366
4367         rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4368         if (rc)
4369                 return rc;
4370
4371         rl_id = abs_vp_id;      /* The "rl_id" is set as the "vport_id" */
4372         return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val);
4373 }
4374
4375 static int
4376 qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4377 {
4378         struct qed_vf_info *vf;
4379         u8 vport_id;
4380         int i;
4381
4382         for_each_hwfn(cdev, i) {
4383                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4384
4385                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4386                         DP_NOTICE(p_hwfn,
4387                                   "SR-IOV sanity check failed, can't set min rate\n");
4388                         return -EINVAL;
4389                 }
4390         }
4391
4392         vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4393         vport_id = vf->vport_id;
4394
4395         return qed_configure_vport_wfq(cdev, vport_id, rate);
4396 }
4397
4398 static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4399 {
4400         struct qed_wfq_data *vf_vp_wfq;
4401         struct qed_vf_info *vf_info;
4402
4403         vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4404         if (!vf_info)
4405                 return 0;
4406
4407         vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4408
4409         if (vf_vp_wfq->configured)
4410                 return vf_vp_wfq->min_speed;
4411         else
4412                 return 0;
4413 }
4414
4415 /**
4416  * qed_schedule_iov - schedules IOV task for VF and PF
4417  * @hwfn: hardware function pointer
4418  * @flag: IOV flag for VF/PF
4419  */
4420 void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4421 {
4422         smp_mb__before_atomic();
4423         set_bit(flag, &hwfn->iov_task_flags);
4424         smp_mb__after_atomic();
4425         DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4426         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4427 }
4428
4429 void qed_vf_start_iov_wq(struct qed_dev *cdev)
4430 {
4431         int i;
4432
4433         for_each_hwfn(cdev, i)
4434             queue_delayed_work(cdev->hwfns[i].iov_wq,
4435                                &cdev->hwfns[i].iov_task, 0);
4436 }
4437
4438 int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4439 {
4440         int i, j;
4441
4442         for_each_hwfn(cdev, i)
4443             if (cdev->hwfns[i].iov_wq)
4444                 flush_workqueue(cdev->hwfns[i].iov_wq);
4445
4446         /* Mark VFs for disablement */
4447         qed_iov_set_vfs_to_disable(cdev, true);
4448
4449         if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4450                 pci_disable_sriov(cdev->pdev);
4451
4452         if (cdev->recov_in_prog) {
4453                 DP_VERBOSE(cdev,
4454                            QED_MSG_IOV,
4455                            "Skip SRIOV disable operations in the device since a recovery is in progress\n");
4456                 goto out;
4457         }
4458
4459         for_each_hwfn(cdev, i) {
4460                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4461                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4462
4463                 /* Failure to acquire the ptt in 100g creates an odd error
4464                  * where the first engine has already relased IOV.
4465                  */
4466                 if (!ptt) {
4467                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4468                         return -EBUSY;
4469                 }
4470
4471                 /* Clean WFQ db and configure equal weight for all vports */
4472                 qed_clean_wfq_db(hwfn, ptt);
4473
4474                 qed_for_each_vf(hwfn, j) {
4475                         int k;
4476
4477                         if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4478                                 continue;
4479
4480                         /* Wait until VF is disabled before releasing */
4481                         for (k = 0; k < 100; k++) {
4482                                 if (!qed_iov_is_vf_stopped(hwfn, j))
4483                                         msleep(20);
4484                                 else
4485                                         break;
4486                         }
4487
4488                         if (k < 100)
4489                                 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4490                                                           ptt, j);
4491                         else
4492                                 DP_ERR(hwfn,
4493                                        "Timeout waiting for VF's FLR to end\n");
4494                 }
4495
4496                 qed_ptt_release(hwfn, ptt);
4497         }
4498 out:
4499         qed_iov_set_vfs_to_disable(cdev, false);
4500
4501         return 0;
4502 }
4503
4504 static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4505                                         u16 vfid,
4506                                         struct qed_iov_vf_init_params *params)
4507 {
4508         u16 base, i;
4509
4510         /* Since we have an equal resource distribution per-VF, and we assume
4511          * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4512          * sequentially from there.
4513          */
4514         base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4515
4516         params->rel_vf_id = vfid;
4517         for (i = 0; i < params->num_queues; i++) {
4518                 params->req_rx_queue[i] = base + i;
4519                 params->req_tx_queue[i] = base + i;
4520         }
4521 }
4522
4523 static int qed_sriov_enable(struct qed_dev *cdev, int num)
4524 {
4525         struct qed_iov_vf_init_params params;
4526         struct qed_hwfn *hwfn;
4527         struct qed_ptt *ptt;
4528         int i, j, rc;
4529
4530         if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4531                 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4532                           RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4533                 return -EINVAL;
4534         }
4535
4536         memset(&params, 0, sizeof(params));
4537
4538         /* Initialize HW for VF access */
4539         for_each_hwfn(cdev, j) {
4540                 hwfn = &cdev->hwfns[j];
4541                 ptt = qed_ptt_acquire(hwfn);
4542
4543                 /* Make sure not to use more than 16 queues per VF */
4544                 params.num_queues = min_t(int,
4545                                           FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4546                                           16);
4547
4548                 if (!ptt) {
4549                         DP_ERR(hwfn, "Failed to acquire ptt\n");
4550                         rc = -EBUSY;
4551                         goto err;
4552                 }
4553
4554                 for (i = 0; i < num; i++) {
4555                         if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4556                                 continue;
4557
4558                         qed_sriov_enable_qid_config(hwfn, i, &params);
4559                         rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4560                         if (rc) {
4561                                 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4562                                 qed_ptt_release(hwfn, ptt);
4563                                 goto err;
4564                         }
4565                 }
4566
4567                 qed_ptt_release(hwfn, ptt);
4568         }
4569
4570         /* Enable SRIOV PCIe functions */
4571         rc = pci_enable_sriov(cdev->pdev, num);
4572         if (rc) {
4573                 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4574                 goto err;
4575         }
4576
4577         hwfn = QED_LEADING_HWFN(cdev);
4578         ptt = qed_ptt_acquire(hwfn);
4579         if (!ptt) {
4580                 DP_ERR(hwfn, "Failed to acquire ptt\n");
4581                 rc = -EBUSY;
4582                 goto err;
4583         }
4584
4585         rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4586         if (rc)
4587                 DP_INFO(cdev, "Failed to update eswitch mode\n");
4588         qed_ptt_release(hwfn, ptt);
4589
4590         return num;
4591
4592 err:
4593         qed_sriov_disable(cdev, false);
4594         return rc;
4595 }
4596
4597 static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4598 {
4599         if (!IS_QED_SRIOV(cdev)) {
4600                 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4601                 return -EOPNOTSUPP;
4602         }
4603
4604         if (num_vfs_param)
4605                 return qed_sriov_enable(cdev, num_vfs_param);
4606         else
4607                 return qed_sriov_disable(cdev, true);
4608 }
4609
4610 static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4611 {
4612         int i;
4613
4614         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4615                 DP_VERBOSE(cdev, QED_MSG_IOV,
4616                            "Cannot set a VF MAC; Sriov is not enabled\n");
4617                 return -EINVAL;
4618         }
4619
4620         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4621                 DP_VERBOSE(cdev, QED_MSG_IOV,
4622                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4623                 return -EINVAL;
4624         }
4625
4626         for_each_hwfn(cdev, i) {
4627                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4628                 struct qed_public_vf_info *vf_info;
4629
4630                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4631                 if (!vf_info)
4632                         continue;
4633
4634                 /* Set the MAC, and schedule the IOV task */
4635                 if (vf_info->is_trusted_configured)
4636                         ether_addr_copy(vf_info->mac, mac);
4637                 else
4638                         ether_addr_copy(vf_info->forced_mac, mac);
4639
4640                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4641         }
4642
4643         return 0;
4644 }
4645
4646 static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4647 {
4648         int i;
4649
4650         if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4651                 DP_VERBOSE(cdev, QED_MSG_IOV,
4652                            "Cannot set a VF MAC; Sriov is not enabled\n");
4653                 return -EINVAL;
4654         }
4655
4656         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4657                 DP_VERBOSE(cdev, QED_MSG_IOV,
4658                            "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4659                 return -EINVAL;
4660         }
4661
4662         for_each_hwfn(cdev, i) {
4663                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4664                 struct qed_public_vf_info *vf_info;
4665
4666                 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4667                 if (!vf_info)
4668                         continue;
4669
4670                 /* Set the forced vlan, and schedule the IOV task */
4671                 vf_info->forced_vlan = vid;
4672                 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4673         }
4674
4675         return 0;
4676 }
4677
4678 static int qed_get_vf_config(struct qed_dev *cdev,
4679                              int vf_id, struct ifla_vf_info *ivi)
4680 {
4681         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4682         struct qed_public_vf_info *vf_info;
4683         struct qed_mcp_link_state link;
4684         u32 tx_rate;
4685
4686         /* Sanitize request */
4687         if (IS_VF(cdev))
4688                 return -EINVAL;
4689
4690         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4691                 DP_VERBOSE(cdev, QED_MSG_IOV,
4692                            "VF index [%d] isn't active\n", vf_id);
4693                 return -EINVAL;
4694         }
4695
4696         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4697
4698         qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4699
4700         /* Fill information about VF */
4701         ivi->vf = vf_id;
4702
4703         if (is_valid_ether_addr(vf_info->forced_mac))
4704                 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4705         else
4706                 ether_addr_copy(ivi->mac, vf_info->mac);
4707
4708         ivi->vlan = vf_info->forced_vlan;
4709         ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4710         ivi->linkstate = vf_info->link_state;
4711         tx_rate = vf_info->tx_rate;
4712         ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4713         ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4714
4715         return 0;
4716 }
4717
4718 void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4719 {
4720         struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4721         struct qed_mcp_link_capabilities caps;
4722         struct qed_mcp_link_params params;
4723         struct qed_mcp_link_state link;
4724         int i;
4725
4726         if (!hwfn->pf_iov_info)
4727                 return;
4728
4729         /* Update bulletin of all future possible VFs with link configuration */
4730         for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4731                 struct qed_public_vf_info *vf_info;
4732
4733                 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4734                 if (!vf_info)
4735                         continue;
4736
4737                 /* Only hwfn0 is actually interested in the link speed.
4738                  * But since only it would receive an MFW indication of link,
4739                  * need to take configuration from it - otherwise things like
4740                  * rate limiting for hwfn1 VF would not work.
4741                  */
4742                 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4743                        sizeof(params));
4744                 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4745                 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4746                        sizeof(caps));
4747
4748                 /* Modify link according to the VF's configured link state */
4749                 switch (vf_info->link_state) {
4750                 case IFLA_VF_LINK_STATE_DISABLE:
4751                         link.link_up = false;
4752                         break;
4753                 case IFLA_VF_LINK_STATE_ENABLE:
4754                         link.link_up = true;
4755                         /* Set speed according to maximum supported by HW.
4756                          * that is 40G for regular devices and 100G for CMT
4757                          * mode devices.
4758                          */
4759                         link.speed = (hwfn->cdev->num_hwfns > 1) ?
4760                                      100000 : 40000;
4761                 default:
4762                         /* In auto mode pass PF link image to VF */
4763                         break;
4764                 }
4765
4766                 if (link.link_up && vf_info->tx_rate) {
4767                         struct qed_ptt *ptt;
4768                         int rate;
4769
4770                         rate = min_t(int, vf_info->tx_rate, link.speed);
4771
4772                         ptt = qed_ptt_acquire(hwfn);
4773                         if (!ptt) {
4774                                 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4775                                 return;
4776                         }
4777
4778                         if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4779                                 vf_info->tx_rate = rate;
4780                                 link.speed = rate;
4781                         }
4782
4783                         qed_ptt_release(hwfn, ptt);
4784                 }
4785
4786                 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4787         }
4788
4789         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4790 }
4791
4792 static int qed_set_vf_link_state(struct qed_dev *cdev,
4793                                  int vf_id, int link_state)
4794 {
4795         int i;
4796
4797         /* Sanitize request */
4798         if (IS_VF(cdev))
4799                 return -EINVAL;
4800
4801         if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4802                 DP_VERBOSE(cdev, QED_MSG_IOV,
4803                            "VF index [%d] isn't active\n", vf_id);
4804                 return -EINVAL;
4805         }
4806
4807         /* Handle configuration of link state */
4808         for_each_hwfn(cdev, i) {
4809                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4810                 struct qed_public_vf_info *vf;
4811
4812                 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4813                 if (!vf)
4814                         continue;
4815
4816                 if (vf->link_state == link_state)
4817                         continue;
4818
4819                 vf->link_state = link_state;
4820                 qed_inform_vf_link_state(&cdev->hwfns[i]);
4821         }
4822
4823         return 0;
4824 }
4825
4826 static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4827 {
4828         int i, rc = -EINVAL;
4829
4830         for_each_hwfn(cdev, i) {
4831                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4832
4833                 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4834                 if (rc)
4835                         break;
4836         }
4837
4838         return rc;
4839 }
4840
4841 static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4842 {
4843         int i;
4844
4845         for_each_hwfn(cdev, i) {
4846                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4847                 struct qed_public_vf_info *vf;
4848
4849                 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4850                         DP_NOTICE(p_hwfn,
4851                                   "SR-IOV sanity check failed, can't set tx rate\n");
4852                         return -EINVAL;
4853                 }
4854
4855                 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4856
4857                 vf->tx_rate = rate;
4858
4859                 qed_inform_vf_link_state(p_hwfn);
4860         }
4861
4862         return 0;
4863 }
4864
4865 static int qed_set_vf_rate(struct qed_dev *cdev,
4866                            int vfid, u32 min_rate, u32 max_rate)
4867 {
4868         int rc_min = 0, rc_max = 0;
4869
4870         if (max_rate)
4871                 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4872
4873         if (min_rate)
4874                 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4875
4876         if (rc_max | rc_min)
4877                 return -EINVAL;
4878
4879         return 0;
4880 }
4881
4882 static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4883 {
4884         int i;
4885
4886         for_each_hwfn(cdev, i) {
4887                 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4888                 struct qed_public_vf_info *vf;
4889
4890                 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4891                         DP_NOTICE(hwfn,
4892                                   "SR-IOV sanity check failed, can't set trust\n");
4893                         return -EINVAL;
4894                 }
4895
4896                 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4897
4898                 if (vf->is_trusted_request == trust)
4899                         return 0;
4900                 vf->is_trusted_request = trust;
4901
4902                 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4903         }
4904
4905         return 0;
4906 }
4907
4908 static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4909 {
4910         u64 events[QED_VF_ARRAY_LENGTH];
4911         struct qed_ptt *ptt;
4912         int i;
4913
4914         ptt = qed_ptt_acquire(hwfn);
4915         if (!ptt) {
4916                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4917                            "Can't acquire PTT; re-scheduling\n");
4918                 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4919                 return;
4920         }
4921
4922         qed_iov_pf_get_pending_events(hwfn, events);
4923
4924         DP_VERBOSE(hwfn, QED_MSG_IOV,
4925                    "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4926                    events[0], events[1], events[2]);
4927
4928         qed_for_each_vf(hwfn, i) {
4929                 /* Skip VFs with no pending messages */
4930                 if (!(events[i / 64] & (1ULL << (i % 64))))
4931                         continue;
4932
4933                 DP_VERBOSE(hwfn, QED_MSG_IOV,
4934                            "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4935                            i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4936
4937                 /* Copy VF's message to PF's request buffer for that VF */
4938                 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4939                         continue;
4940
4941                 qed_iov_process_mbx_req(hwfn, ptt, i);
4942         }
4943
4944         qed_ptt_release(hwfn, ptt);
4945 }
4946
4947 static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4948                                        u8 *mac,
4949                                        struct qed_public_vf_info *info)
4950 {
4951         if (info->is_trusted_configured) {
4952                 if (is_valid_ether_addr(info->mac) &&
4953                     (!mac || !ether_addr_equal(mac, info->mac)))
4954                         return true;
4955         } else {
4956                 if (is_valid_ether_addr(info->forced_mac) &&
4957                     (!mac || !ether_addr_equal(mac, info->forced_mac)))
4958                         return true;
4959         }
4960
4961         return false;
4962 }
4963
4964 static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4965                                  struct qed_public_vf_info *info,
4966                                  int vfid)
4967 {
4968         if (info->is_trusted_configured)
4969                 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4970         else
4971                 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4972 }
4973
4974 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4975 {
4976         int i;
4977
4978         qed_for_each_vf(hwfn, i) {
4979                 struct qed_public_vf_info *info;
4980                 bool update = false;
4981                 u8 *mac;
4982
4983                 info = qed_iov_get_public_vf_info(hwfn, i, true);
4984                 if (!info)
4985                         continue;
4986
4987                 /* Update data on bulletin board */
4988                 if (info->is_trusted_configured)
4989                         mac = qed_iov_bulletin_get_mac(hwfn, i);
4990                 else
4991                         mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4992
4993                 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
4994                         DP_VERBOSE(hwfn,
4995                                    QED_MSG_IOV,
4996                                    "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4997                                    i,
4998                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4999
5000                         /* Update bulletin board with MAC */
5001                         qed_set_bulletin_mac(hwfn, info, i);
5002                         update = true;
5003                 }
5004
5005                 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
5006                     info->forced_vlan) {
5007                         DP_VERBOSE(hwfn,
5008                                    QED_MSG_IOV,
5009                                    "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
5010                                    info->forced_vlan,
5011                                    i,
5012                                    hwfn->cdev->p_iov_info->first_vf_in_pf + i);
5013                         qed_iov_bulletin_set_forced_vlan(hwfn,
5014                                                          info->forced_vlan, i);
5015                         update = true;
5016                 }
5017
5018                 if (update)
5019                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5020         }
5021 }
5022
5023 static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5024 {
5025         struct qed_ptt *ptt;
5026         int i;
5027
5028         ptt = qed_ptt_acquire(hwfn);
5029         if (!ptt) {
5030                 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5031                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5032                 return;
5033         }
5034
5035         qed_for_each_vf(hwfn, i)
5036             qed_iov_post_vf_bulletin(hwfn, i, ptt);
5037
5038         qed_ptt_release(hwfn, ptt);
5039 }
5040
5041 static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5042 {
5043         struct qed_public_vf_info *vf_info;
5044         struct qed_vf_info *vf;
5045         u8 *force_mac;
5046         int i;
5047
5048         vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5049         vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5050
5051         if (!vf_info || !vf)
5052                 return;
5053
5054         /* Force MAC converted to generic MAC in case of VF trust on */
5055         if (vf_info->is_trusted_configured &&
5056             (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5057                 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5058
5059                 if (force_mac) {
5060                         /* Clear existing shadow copy of MAC to have a clean
5061                          * slate.
5062                          */
5063                         for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5064                                 if (ether_addr_equal(vf->shadow_config.macs[i],
5065                                                      vf_info->mac)) {
5066                                         memset(vf->shadow_config.macs[i], 0,
5067                                                ETH_ALEN);
5068                                         DP_VERBOSE(hwfn, QED_MSG_IOV,
5069                                                    "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5070                                                     vf_info->mac, vf_id);
5071                                         break;
5072                                 }
5073                         }
5074
5075                         ether_addr_copy(vf_info->mac, force_mac);
5076                         memset(vf_info->forced_mac, 0, ETH_ALEN);
5077                         vf->bulletin.p_virt->valid_bitmap &=
5078                                         ~BIT(MAC_ADDR_FORCED);
5079                         qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5080                 }
5081         }
5082
5083         /* Update shadow copy with VF MAC when trust mode is turned off */
5084         if (!vf_info->is_trusted_configured) {
5085                 u8 empty_mac[ETH_ALEN];
5086
5087                 memset(empty_mac, 0, ETH_ALEN);
5088                 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5089                         if (ether_addr_equal(vf->shadow_config.macs[i],
5090                                              empty_mac)) {
5091                                 ether_addr_copy(vf->shadow_config.macs[i],
5092                                                 vf_info->mac);
5093                                 DP_VERBOSE(hwfn, QED_MSG_IOV,
5094                                            "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5095                                             vf_info->mac, vf_id);
5096                                 break;
5097                         }
5098                 }
5099                 /* Clear bulletin when trust mode is turned off,
5100                  * to have a clean slate for next (normal) operations.
5101                  */
5102                 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5103                 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5104         }
5105 }
5106
5107 static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5108 {
5109         struct qed_sp_vport_update_params params;
5110         struct qed_filter_accept_flags *flags;
5111         struct qed_public_vf_info *vf_info;
5112         struct qed_vf_info *vf;
5113         u8 mask;
5114         int i;
5115
5116         mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5117         flags = &params.accept_flags;
5118
5119         qed_for_each_vf(hwfn, i) {
5120                 /* Need to make sure current requested configuration didn't
5121                  * flip so that we'll end up configuring something that's not
5122                  * needed.
5123                  */
5124                 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5125                 if (vf_info->is_trusted_configured ==
5126                     vf_info->is_trusted_request)
5127                         continue;
5128                 vf_info->is_trusted_configured = vf_info->is_trusted_request;
5129
5130                 /* Handle forced MAC mode */
5131                 qed_update_mac_for_vf_trust_change(hwfn, i);
5132
5133                 /* Validate that the VF has a configured vport */
5134                 vf = qed_iov_get_vf_info(hwfn, i, true);
5135                 if (!vf->vport_instance)
5136                         continue;
5137
5138                 memset(&params, 0, sizeof(params));
5139                 params.opaque_fid = vf->opaque_fid;
5140                 params.vport_id = vf->vport_id;
5141
5142                 params.update_ctl_frame_check = 1;
5143                 params.mac_chk_en = !vf_info->is_trusted_configured;
5144
5145                 if (vf_info->rx_accept_mode & mask) {
5146                         flags->update_rx_mode_config = 1;
5147                         flags->rx_accept_filter = vf_info->rx_accept_mode;
5148                 }
5149
5150                 if (vf_info->tx_accept_mode & mask) {
5151                         flags->update_tx_mode_config = 1;
5152                         flags->tx_accept_filter = vf_info->tx_accept_mode;
5153                 }
5154
5155                 /* Remove if needed; Otherwise this would set the mask */
5156                 if (!vf_info->is_trusted_configured) {
5157                         flags->rx_accept_filter &= ~mask;
5158                         flags->tx_accept_filter &= ~mask;
5159                 }
5160
5161                 if (flags->update_rx_mode_config ||
5162                     flags->update_tx_mode_config ||
5163                     params.update_ctl_frame_check)
5164                         qed_sp_vport_update(hwfn, &params,
5165                                             QED_SPQ_MODE_EBLOCK, NULL);
5166         }
5167 }
5168
5169 static void qed_iov_pf_task(struct work_struct *work)
5170
5171 {
5172         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5173                                              iov_task.work);
5174         int rc;
5175
5176         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5177                 return;
5178
5179         if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5180                 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5181
5182                 if (!ptt) {
5183                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5184                         return;
5185                 }
5186
5187                 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5188                 if (rc)
5189                         qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5190
5191                 qed_ptt_release(hwfn, ptt);
5192         }
5193
5194         if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5195                 qed_handle_vf_msg(hwfn);
5196
5197         if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5198                                &hwfn->iov_task_flags))
5199                 qed_handle_pf_set_vf_unicast(hwfn);
5200
5201         if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5202                                &hwfn->iov_task_flags))
5203                 qed_handle_bulletin_post(hwfn);
5204
5205         if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5206                 qed_iov_handle_trust_change(hwfn);
5207 }
5208
5209 void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5210 {
5211         int i;
5212
5213         for_each_hwfn(cdev, i) {
5214                 if (!cdev->hwfns[i].iov_wq)
5215                         continue;
5216
5217                 if (schedule_first) {
5218                         qed_schedule_iov(&cdev->hwfns[i],
5219                                          QED_IOV_WQ_STOP_WQ_FLAG);
5220                         cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5221                 }
5222
5223                 flush_workqueue(cdev->hwfns[i].iov_wq);
5224                 destroy_workqueue(cdev->hwfns[i].iov_wq);
5225         }
5226 }
5227
5228 int qed_iov_wq_start(struct qed_dev *cdev)
5229 {
5230         char name[NAME_SIZE];
5231         int i;
5232
5233         for_each_hwfn(cdev, i) {
5234                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5235
5236                 /* PFs needs a dedicated workqueue only if they support IOV.
5237                  * VFs always require one.
5238                  */
5239                 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5240                         continue;
5241
5242                 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5243                          cdev->pdev->bus->number,
5244                          PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5245
5246                 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5247                 if (!p_hwfn->iov_wq) {
5248                         DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5249                         return -ENOMEM;
5250                 }
5251
5252                 if (IS_PF(cdev))
5253                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5254                 else
5255                         INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5256         }
5257
5258         return 0;
5259 }
5260
5261 const struct qed_iov_hv_ops qed_iov_ops_pass = {
5262         .configure = &qed_sriov_configure,
5263         .set_mac = &qed_sriov_pf_set_mac,
5264         .set_vlan = &qed_sriov_pf_set_vlan,
5265         .get_config = &qed_get_vf_config,
5266         .set_link_state = &qed_set_vf_link_state,
5267         .set_spoof = &qed_spoof_configure,
5268         .set_rate = &qed_set_vf_rate,
5269         .set_trust = &qed_set_vf_trust,
5270 };