linux/drivers/net/ethernet/qlogic/qed/qed_sriov.c
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   1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
   2/* QLogic qed NIC Driver
   3 * Copyright (c) 2015-2017  QLogic Corporation
   4 * Copyright (c) 2019-2020 Marvell International Ltd.
   5 */
   6
   7#include <linux/etherdevice.h>
   8#include <linux/crc32.h>
   9#include <linux/vmalloc.h>
  10#include <linux/crash_dump.h>
  11#include <linux/qed/qed_iov_if.h>
  12#include "qed_cxt.h"
  13#include "qed_hsi.h"
  14#include "qed_hw.h"
  15#include "qed_init_ops.h"
  16#include "qed_int.h"
  17#include "qed_mcp.h"
  18#include "qed_reg_addr.h"
  19#include "qed_sp.h"
  20#include "qed_sriov.h"
  21#include "qed_vf.h"
  22static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
  23                               u8 opcode,
  24                               __le16 echo,
  25                               union event_ring_data *data, u8 fw_return_code);
  26static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
  27
  28static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
  29{
  30        u8 legacy = 0;
  31
  32        if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
  33            ETH_HSI_VER_NO_PKT_LEN_TUNN)
  34                legacy |= QED_QCID_LEGACY_VF_RX_PROD;
  35
  36        if (!(p_vf->acquire.vfdev_info.capabilities &
  37              VFPF_ACQUIRE_CAP_QUEUE_QIDS))
  38                legacy |= QED_QCID_LEGACY_VF_CID;
  39
  40        return legacy;
  41}
  42
  43/* IOV ramrods */
  44static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
  45{
  46        struct vf_start_ramrod_data *p_ramrod = NULL;
  47        struct qed_spq_entry *p_ent = NULL;
  48        struct qed_sp_init_data init_data;
  49        int rc = -EINVAL;
  50        u8 fp_minor;
  51
  52        /* Get SPQ entry */
  53        memset(&init_data, 0, sizeof(init_data));
  54        init_data.cid = qed_spq_get_cid(p_hwfn);
  55        init_data.opaque_fid = p_vf->opaque_fid;
  56        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
  57
  58        rc = qed_sp_init_request(p_hwfn, &p_ent,
  59                                 COMMON_RAMROD_VF_START,
  60                                 PROTOCOLID_COMMON, &init_data);
  61        if (rc)
  62                return rc;
  63
  64        p_ramrod = &p_ent->ramrod.vf_start;
  65
  66        p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
  67        p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
  68
  69        switch (p_hwfn->hw_info.personality) {
  70        case QED_PCI_ETH:
  71                p_ramrod->personality = PERSONALITY_ETH;
  72                break;
  73        case QED_PCI_ETH_ROCE:
  74        case QED_PCI_ETH_IWARP:
  75                p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
  76                break;
  77        default:
  78                DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
  79                          p_hwfn->hw_info.personality);
  80                qed_sp_destroy_request(p_hwfn, p_ent);
  81                return -EINVAL;
  82        }
  83
  84        fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
  85        if (fp_minor > ETH_HSI_VER_MINOR &&
  86            fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
  87                DP_VERBOSE(p_hwfn,
  88                           QED_MSG_IOV,
  89                           "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
  90                           p_vf->abs_vf_id,
  91                           ETH_HSI_VER_MAJOR,
  92                           fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
  93                fp_minor = ETH_HSI_VER_MINOR;
  94        }
  95
  96        p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
  97        p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
  98
  99        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 100                   "VF[%d] - Starting using HSI %02x.%02x\n",
 101                   p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
 102
 103        return qed_spq_post(p_hwfn, p_ent, NULL);
 104}
 105
 106static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
 107                          u32 concrete_vfid, u16 opaque_vfid)
 108{
 109        struct vf_stop_ramrod_data *p_ramrod = NULL;
 110        struct qed_spq_entry *p_ent = NULL;
 111        struct qed_sp_init_data init_data;
 112        int rc = -EINVAL;
 113
 114        /* Get SPQ entry */
 115        memset(&init_data, 0, sizeof(init_data));
 116        init_data.cid = qed_spq_get_cid(p_hwfn);
 117        init_data.opaque_fid = opaque_vfid;
 118        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 119
 120        rc = qed_sp_init_request(p_hwfn, &p_ent,
 121                                 COMMON_RAMROD_VF_STOP,
 122                                 PROTOCOLID_COMMON, &init_data);
 123        if (rc)
 124                return rc;
 125
 126        p_ramrod = &p_ent->ramrod.vf_stop;
 127
 128        p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
 129
 130        return qed_spq_post(p_hwfn, p_ent, NULL);
 131}
 132
 133bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
 134                           int rel_vf_id,
 135                           bool b_enabled_only, bool b_non_malicious)
 136{
 137        if (!p_hwfn->pf_iov_info) {
 138                DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 139                return false;
 140        }
 141
 142        if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
 143            (rel_vf_id < 0))
 144                return false;
 145
 146        if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
 147            b_enabled_only)
 148                return false;
 149
 150        if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
 151            b_non_malicious)
 152                return false;
 153
 154        return true;
 155}
 156
 157static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
 158                                               u16 relative_vf_id,
 159                                               bool b_enabled_only)
 160{
 161        struct qed_vf_info *vf = NULL;
 162
 163        if (!p_hwfn->pf_iov_info) {
 164                DP_NOTICE(p_hwfn->cdev, "No iov info\n");
 165                return NULL;
 166        }
 167
 168        if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
 169                                  b_enabled_only, false))
 170                vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
 171        else
 172                DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
 173                       relative_vf_id);
 174
 175        return vf;
 176}
 177
 178static struct qed_queue_cid *
 179qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
 180{
 181        int i;
 182
 183        for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 184                if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
 185                        return p_queue->cids[i].p_cid;
 186        }
 187
 188        return NULL;
 189}
 190
 191enum qed_iov_validate_q_mode {
 192        QED_IOV_VALIDATE_Q_NA,
 193        QED_IOV_VALIDATE_Q_ENABLE,
 194        QED_IOV_VALIDATE_Q_DISABLE,
 195};
 196
 197static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
 198                                        struct qed_vf_info *p_vf,
 199                                        u16 qid,
 200                                        enum qed_iov_validate_q_mode mode,
 201                                        bool b_is_tx)
 202{
 203        int i;
 204
 205        if (mode == QED_IOV_VALIDATE_Q_NA)
 206                return true;
 207
 208        for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
 209                struct qed_vf_queue_cid *p_qcid;
 210
 211                p_qcid = &p_vf->vf_queues[qid].cids[i];
 212
 213                if (!p_qcid->p_cid)
 214                        continue;
 215
 216                if (p_qcid->b_is_tx != b_is_tx)
 217                        continue;
 218
 219                return mode == QED_IOV_VALIDATE_Q_ENABLE;
 220        }
 221
 222        /* In case we haven't found any valid cid, then its disabled */
 223        return mode == QED_IOV_VALIDATE_Q_DISABLE;
 224}
 225
 226static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
 227                                 struct qed_vf_info *p_vf,
 228                                 u16 rx_qid,
 229                                 enum qed_iov_validate_q_mode mode)
 230{
 231        if (rx_qid >= p_vf->num_rxqs) {
 232                DP_VERBOSE(p_hwfn,
 233                           QED_MSG_IOV,
 234                           "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
 235                           p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
 236                return false;
 237        }
 238
 239        return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
 240}
 241
 242static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
 243                                 struct qed_vf_info *p_vf,
 244                                 u16 tx_qid,
 245                                 enum qed_iov_validate_q_mode mode)
 246{
 247        if (tx_qid >= p_vf->num_txqs) {
 248                DP_VERBOSE(p_hwfn,
 249                           QED_MSG_IOV,
 250                           "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
 251                           p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
 252                return false;
 253        }
 254
 255        return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
 256}
 257
 258static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
 259                                struct qed_vf_info *p_vf, u16 sb_idx)
 260{
 261        int i;
 262
 263        for (i = 0; i < p_vf->num_sbs; i++)
 264                if (p_vf->igu_sbs[i] == sb_idx)
 265                        return true;
 266
 267        DP_VERBOSE(p_hwfn,
 268                   QED_MSG_IOV,
 269                   "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
 270                   p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
 271
 272        return false;
 273}
 274
 275static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
 276                                        struct qed_vf_info *p_vf)
 277{
 278        u8 i;
 279
 280        for (i = 0; i < p_vf->num_rxqs; i++)
 281                if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 282                                                QED_IOV_VALIDATE_Q_ENABLE,
 283                                                false))
 284                        return true;
 285
 286        return false;
 287}
 288
 289static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
 290                                        struct qed_vf_info *p_vf)
 291{
 292        u8 i;
 293
 294        for (i = 0; i < p_vf->num_txqs; i++)
 295                if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
 296                                                QED_IOV_VALIDATE_Q_ENABLE,
 297                                                true))
 298                        return true;
 299
 300        return false;
 301}
 302
 303static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
 304                                    int vfid, struct qed_ptt *p_ptt)
 305{
 306        struct qed_bulletin_content *p_bulletin;
 307        int crc_size = sizeof(p_bulletin->crc);
 308        struct qed_dmae_params params;
 309        struct qed_vf_info *p_vf;
 310
 311        p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
 312        if (!p_vf)
 313                return -EINVAL;
 314
 315        if (!p_vf->vf_bulletin)
 316                return -EINVAL;
 317
 318        p_bulletin = p_vf->bulletin.p_virt;
 319
 320        /* Increment bulletin board version and compute crc */
 321        p_bulletin->version++;
 322        p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
 323                                p_vf->bulletin.size - crc_size);
 324
 325        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 326                   "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
 327                   p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
 328
 329        /* propagate bulletin board via dmae to vm memory */
 330        memset(&params, 0, sizeof(params));
 331        SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
 332        params.dst_vfid = p_vf->abs_vf_id;
 333        return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
 334                                  p_vf->vf_bulletin, p_vf->bulletin.size / 4,
 335                                  &params);
 336}
 337
 338static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
 339{
 340        struct qed_hw_sriov_info *iov = cdev->p_iov_info;
 341        int pos = iov->pos;
 342
 343        DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
 344        pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
 345
 346        pci_read_config_word(cdev->pdev,
 347                             pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
 348        pci_read_config_word(cdev->pdev,
 349                             pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
 350
 351        pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
 352        if (iov->num_vfs) {
 353                DP_VERBOSE(cdev,
 354                           QED_MSG_IOV,
 355                           "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
 356                iov->num_vfs = 0;
 357        }
 358
 359        pci_read_config_word(cdev->pdev,
 360                             pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
 361
 362        pci_read_config_word(cdev->pdev,
 363                             pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
 364
 365        pci_read_config_word(cdev->pdev,
 366                             pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
 367
 368        pci_read_config_dword(cdev->pdev,
 369                              pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
 370
 371        pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
 372
 373        pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 374
 375        DP_VERBOSE(cdev,
 376                   QED_MSG_IOV,
 377                   "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",
 378                   iov->nres,
 379                   iov->cap,
 380                   iov->ctrl,
 381                   iov->total_vfs,
 382                   iov->initial_vfs,
 383                   iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
 384
 385        /* Some sanity checks */
 386        if (iov->num_vfs > NUM_OF_VFS(cdev) ||
 387            iov->total_vfs > NUM_OF_VFS(cdev)) {
 388                /* This can happen only due to a bug. In this case we set
 389                 * num_vfs to zero to avoid memory corruption in the code that
 390                 * assumes max number of vfs
 391                 */
 392                DP_NOTICE(cdev,
 393                          "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
 394                          iov->num_vfs);
 395
 396                iov->num_vfs = 0;
 397                iov->total_vfs = 0;
 398        }
 399
 400        return 0;
 401}
 402
 403static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
 404{
 405        struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 406        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 407        struct qed_bulletin_content *p_bulletin_virt;
 408        dma_addr_t req_p, rply_p, bulletin_p;
 409        union pfvf_tlvs *p_reply_virt_addr;
 410        union vfpf_tlvs *p_req_virt_addr;
 411        u8 idx = 0;
 412
 413        memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
 414
 415        p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
 416        req_p = p_iov_info->mbx_msg_phys_addr;
 417        p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
 418        rply_p = p_iov_info->mbx_reply_phys_addr;
 419        p_bulletin_virt = p_iov_info->p_bulletins;
 420        bulletin_p = p_iov_info->bulletins_phys;
 421        if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
 422                DP_ERR(p_hwfn,
 423                       "qed_iov_setup_vfdb called without allocating mem first\n");
 424                return;
 425        }
 426
 427        for (idx = 0; idx < p_iov->total_vfs; idx++) {
 428                struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
 429                u32 concrete;
 430
 431                vf->vf_mbx.req_virt = p_req_virt_addr + idx;
 432                vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
 433                vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
 434                vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
 435
 436                vf->state = VF_STOPPED;
 437                vf->b_init = false;
 438
 439                vf->bulletin.phys = idx *
 440                                    sizeof(struct qed_bulletin_content) +
 441                                    bulletin_p;
 442                vf->bulletin.p_virt = p_bulletin_virt + idx;
 443                vf->bulletin.size = sizeof(struct qed_bulletin_content);
 444
 445                vf->relative_vf_id = idx;
 446                vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
 447                concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
 448                vf->concrete_fid = concrete;
 449                vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
 450                                 (vf->abs_vf_id << 8);
 451                vf->vport_id = idx + 1;
 452
 453                vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
 454                vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
 455        }
 456}
 457
 458static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
 459{
 460        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 461        void **p_v_addr;
 462        u16 num_vfs = 0;
 463
 464        num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
 465
 466        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 467                   "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
 468
 469        /* Allocate PF Mailbox buffer (per-VF) */
 470        p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
 471        p_v_addr = &p_iov_info->mbx_msg_virt_addr;
 472        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 473                                       p_iov_info->mbx_msg_size,
 474                                       &p_iov_info->mbx_msg_phys_addr,
 475                                       GFP_KERNEL);
 476        if (!*p_v_addr)
 477                return -ENOMEM;
 478
 479        /* Allocate PF Mailbox Reply buffer (per-VF) */
 480        p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
 481        p_v_addr = &p_iov_info->mbx_reply_virt_addr;
 482        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 483                                       p_iov_info->mbx_reply_size,
 484                                       &p_iov_info->mbx_reply_phys_addr,
 485                                       GFP_KERNEL);
 486        if (!*p_v_addr)
 487                return -ENOMEM;
 488
 489        p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
 490                                     num_vfs;
 491        p_v_addr = &p_iov_info->p_bulletins;
 492        *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 493                                       p_iov_info->bulletins_size,
 494                                       &p_iov_info->bulletins_phys,
 495                                       GFP_KERNEL);
 496        if (!*p_v_addr)
 497                return -ENOMEM;
 498
 499        DP_VERBOSE(p_hwfn,
 500                   QED_MSG_IOV,
 501                   "PF's Requests mailbox [%p virt 0x%llx phys],  Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
 502                   p_iov_info->mbx_msg_virt_addr,
 503                   (u64) p_iov_info->mbx_msg_phys_addr,
 504                   p_iov_info->mbx_reply_virt_addr,
 505                   (u64) p_iov_info->mbx_reply_phys_addr,
 506                   p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
 507
 508        return 0;
 509}
 510
 511static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
 512{
 513        struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
 514
 515        if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
 516                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 517                                  p_iov_info->mbx_msg_size,
 518                                  p_iov_info->mbx_msg_virt_addr,
 519                                  p_iov_info->mbx_msg_phys_addr);
 520
 521        if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
 522                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 523                                  p_iov_info->mbx_reply_size,
 524                                  p_iov_info->mbx_reply_virt_addr,
 525                                  p_iov_info->mbx_reply_phys_addr);
 526
 527        if (p_iov_info->p_bulletins)
 528                dma_free_coherent(&p_hwfn->cdev->pdev->dev,
 529                                  p_iov_info->bulletins_size,
 530                                  p_iov_info->p_bulletins,
 531                                  p_iov_info->bulletins_phys);
 532}
 533
 534int qed_iov_alloc(struct qed_hwfn *p_hwfn)
 535{
 536        struct qed_pf_iov *p_sriov;
 537
 538        if (!IS_PF_SRIOV(p_hwfn)) {
 539                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 540                           "No SR-IOV - no need for IOV db\n");
 541                return 0;
 542        }
 543
 544        p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
 545        if (!p_sriov)
 546                return -ENOMEM;
 547
 548        p_hwfn->pf_iov_info = p_sriov;
 549
 550        qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
 551                                  qed_sriov_eqe_event);
 552
 553        return qed_iov_allocate_vfdb(p_hwfn);
 554}
 555
 556void qed_iov_setup(struct qed_hwfn *p_hwfn)
 557{
 558        if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
 559                return;
 560
 561        qed_iov_setup_vfdb(p_hwfn);
 562}
 563
 564void qed_iov_free(struct qed_hwfn *p_hwfn)
 565{
 566        qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
 567
 568        if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
 569                qed_iov_free_vfdb(p_hwfn);
 570                kfree(p_hwfn->pf_iov_info);
 571        }
 572}
 573
 574void qed_iov_free_hw_info(struct qed_dev *cdev)
 575{
 576        kfree(cdev->p_iov_info);
 577        cdev->p_iov_info = NULL;
 578}
 579
 580int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
 581{
 582        struct qed_dev *cdev = p_hwfn->cdev;
 583        int pos;
 584        int rc;
 585
 586        if (is_kdump_kernel())
 587                return 0;
 588
 589        if (IS_VF(p_hwfn->cdev))
 590                return 0;
 591
 592        /* Learn the PCI configuration */
 593        pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
 594                                      PCI_EXT_CAP_ID_SRIOV);
 595        if (!pos) {
 596                DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
 597                return 0;
 598        }
 599
 600        /* Allocate a new struct for IOV information */
 601        cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
 602        if (!cdev->p_iov_info)
 603                return -ENOMEM;
 604
 605        cdev->p_iov_info->pos = pos;
 606
 607        rc = qed_iov_pci_cfg_info(cdev);
 608        if (rc)
 609                return rc;
 610
 611        /* We want PF IOV to be synonemous with the existance of p_iov_info;
 612         * In case the capability is published but there are no VFs, simply
 613         * de-allocate the struct.
 614         */
 615        if (!cdev->p_iov_info->total_vfs) {
 616                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 617                           "IOV capabilities, but no VFs are published\n");
 618                kfree(cdev->p_iov_info);
 619                cdev->p_iov_info = NULL;
 620                return 0;
 621        }
 622
 623        /* First VF index based on offset is tricky:
 624         *  - If ARI is supported [likely], offset - (16 - pf_id) would
 625         *    provide the number for eng0. 2nd engine Vfs would begin
 626         *    after the first engine's VFs.
 627         *  - If !ARI, VFs would start on next device.
 628         *    so offset - (256 - pf_id) would provide the number.
 629         * Utilize the fact that (256 - pf_id) is achieved only by later
 630         * to differentiate between the two.
 631         */
 632
 633        if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
 634                u32 first = p_hwfn->cdev->p_iov_info->offset +
 635                            p_hwfn->abs_pf_id - 16;
 636
 637                cdev->p_iov_info->first_vf_in_pf = first;
 638
 639                if (QED_PATH_ID(p_hwfn))
 640                        cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
 641        } else {
 642                u32 first = p_hwfn->cdev->p_iov_info->offset +
 643                            p_hwfn->abs_pf_id - 256;
 644
 645                cdev->p_iov_info->first_vf_in_pf = first;
 646        }
 647
 648        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
 649                   "First VF in hwfn 0x%08x\n",
 650                   cdev->p_iov_info->first_vf_in_pf);
 651
 652        return 0;
 653}
 654
 655static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
 656                                     int vfid, bool b_fail_malicious)
 657{
 658        /* Check PF supports sriov */
 659        if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
 660            !IS_PF_SRIOV_ALLOC(p_hwfn))
 661                return false;
 662
 663        /* Check VF validity */
 664        if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
 665                return false;
 666
 667        return true;
 668}
 669
 670static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
 671{
 672        return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
 673}
 674
 675static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
 676                                      u16 rel_vf_id, u8 to_disable)
 677{
 678        struct qed_vf_info *vf;
 679        int i;
 680
 681        for_each_hwfn(cdev, i) {
 682                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 683
 684                vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
 685                if (!vf)
 686                        continue;
 687
 688                vf->to_disable = to_disable;
 689        }
 690}
 691
 692static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
 693{
 694        u16 i;
 695
 696        if (!IS_QED_SRIOV(cdev))
 697                return;
 698
 699        for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
 700                qed_iov_set_vf_to_disable(cdev, i, to_disable);
 701}
 702
 703static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
 704                                       struct qed_ptt *p_ptt, u8 abs_vfid)
 705{
 706        qed_wr(p_hwfn, p_ptt,
 707               PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
 708               1 << (abs_vfid & 0x1f));
 709}
 710
 711static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
 712                                 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
 713{
 714        int i;
 715
 716        /* Set VF masks and configuration - pretend */
 717        qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 718
 719        qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
 720
 721        /* unpretend */
 722        qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 723
 724        /* iterate over all queues, clear sb consumer */
 725        for (i = 0; i < vf->num_sbs; i++)
 726                qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
 727                                                vf->igu_sbs[i],
 728                                                vf->opaque_fid, true);
 729}
 730
 731static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
 732                                   struct qed_ptt *p_ptt,
 733                                   struct qed_vf_info *vf, bool enable)
 734{
 735        u32 igu_vf_conf;
 736
 737        qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 738
 739        igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
 740
 741        if (enable)
 742                igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
 743        else
 744                igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
 745
 746        qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
 747
 748        /* unpretend */
 749        qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 750}
 751
 752static int
 753qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
 754                              struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
 755{
 756        u8 current_max = 0;
 757        int i;
 758
 759        /* For AH onward, configuration is per-PF. Find maximum of all
 760         * the currently enabled child VFs, and set the number to be that.
 761         */
 762        if (!QED_IS_BB(p_hwfn->cdev)) {
 763                qed_for_each_vf(p_hwfn, i) {
 764                        struct qed_vf_info *p_vf;
 765
 766                        p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
 767                        if (!p_vf)
 768                                continue;
 769
 770                        current_max = max_t(u8, current_max, p_vf->num_sbs);
 771                }
 772        }
 773
 774        if (num_sbs > current_max)
 775                return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
 776                                              abs_vf_id, num_sbs);
 777
 778        return 0;
 779}
 780
 781static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
 782                                    struct qed_ptt *p_ptt,
 783                                    struct qed_vf_info *vf)
 784{
 785        u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
 786        int rc;
 787
 788        /* It's possible VF was previously considered malicious -
 789         * clear the indication even if we're only going to disable VF.
 790         */
 791        vf->b_malicious = false;
 792
 793        if (vf->to_disable)
 794                return 0;
 795
 796        DP_VERBOSE(p_hwfn,
 797                   QED_MSG_IOV,
 798                   "Enable internal access for vf %x [abs %x]\n",
 799                   vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
 800
 801        qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
 802
 803        qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 804
 805        rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
 806                                           vf->abs_vf_id, vf->num_sbs);
 807        if (rc)
 808                return rc;
 809
 810        qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
 811
 812        SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
 813        STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
 814
 815        qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
 816                     p_hwfn->hw_info.hw_mode);
 817
 818        /* unpretend */
 819        qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
 820
 821        vf->state = VF_FREE;
 822
 823        return rc;
 824}
 825
 826/**
 827 * qed_iov_config_perm_table() - Configure the permission zone table.
 828 *
 829 * @p_hwfn: HW device data.
 830 * @p_ptt: PTT window for writing the registers.
 831 * @vf: VF info data.
 832 * @enable: The actual permision for this VF.
 833 *
 834 * In E4, queue zone permission table size is 320x9. There
 835 * are 320 VF queues for single engine device (256 for dual
 836 * engine device), and each entry has the following format:
 837 * {Valid, VF[7:0]}
 838 */
 839static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
 840                                      struct qed_ptt *p_ptt,
 841                                      struct qed_vf_info *vf, u8 enable)
 842{
 843        u32 reg_addr, val;
 844        u16 qzone_id = 0;
 845        int qid;
 846
 847        for (qid = 0; qid < vf->num_rxqs; qid++) {
 848                qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
 849                                &qzone_id);
 850
 851                reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
 852                val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
 853                qed_wr(p_hwfn, p_ptt, reg_addr, val);
 854        }
 855}
 856
 857static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
 858                                      struct qed_ptt *p_ptt,
 859                                      struct qed_vf_info *vf)
 860{
 861        /* Reset vf in IGU - interrupts are still disabled */
 862        qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
 863
 864        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
 865
 866        /* Permission Table */
 867        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
 868}
 869
 870static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 871                                   struct qed_ptt *p_ptt,
 872                                   struct qed_vf_info *vf, u16 num_rx_queues)
 873{
 874        struct qed_igu_block *p_block;
 875        struct cau_sb_entry sb_entry;
 876        int qid = 0;
 877        u32 val = 0;
 878
 879        if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
 880                num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
 881        p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
 882
 883        SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
 884        SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
 885        SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
 886
 887        for (qid = 0; qid < num_rx_queues; qid++) {
 888                p_block = qed_get_igu_free_sb(p_hwfn, false);
 889                vf->igu_sbs[qid] = p_block->igu_sb_id;
 890                p_block->status &= ~QED_IGU_STATUS_FREE;
 891                SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
 892
 893                qed_wr(p_hwfn, p_ptt,
 894                       IGU_REG_MAPPING_MEMORY +
 895                       sizeof(u32) * p_block->igu_sb_id, val);
 896
 897                /* Configure igu sb in CAU which were marked valid */
 898                qed_init_cau_sb_entry(p_hwfn, &sb_entry,
 899                                      p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
 900
 901                qed_dmae_host2grc(p_hwfn, p_ptt,
 902                                  (u64)(uintptr_t)&sb_entry,
 903                                  CAU_REG_SB_VAR_MEMORY +
 904                                  p_block->igu_sb_id * sizeof(u64), 2, NULL);
 905        }
 906
 907        vf->num_sbs = (u8) num_rx_queues;
 908
 909        return vf->num_sbs;
 910}
 911
 912static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
 913                                    struct qed_ptt *p_ptt,
 914                                    struct qed_vf_info *vf)
 915{
 916        struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
 917        int idx, igu_id;
 918        u32 addr, val;
 919
 920        /* Invalidate igu CAM lines and mark them as free */
 921        for (idx = 0; idx < vf->num_sbs; idx++) {
 922                igu_id = vf->igu_sbs[idx];
 923                addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
 924
 925                val = qed_rd(p_hwfn, p_ptt, addr);
 926                SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
 927                qed_wr(p_hwfn, p_ptt, addr, val);
 928
 929                p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
 930                p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
 931        }
 932
 933        vf->num_sbs = 0;
 934}
 935
 936static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
 937                             u16 vfid,
 938                             struct qed_mcp_link_params *params,
 939                             struct qed_mcp_link_state *link,
 940                             struct qed_mcp_link_capabilities *p_caps)
 941{
 942        struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
 943                                                       vfid,
 944                                                       false);
 945        struct qed_bulletin_content *p_bulletin;
 946
 947        if (!p_vf)
 948                return;
 949
 950        p_bulletin = p_vf->bulletin.p_virt;
 951        p_bulletin->req_autoneg = params->speed.autoneg;
 952        p_bulletin->req_adv_speed = params->speed.advertised_speeds;
 953        p_bulletin->req_forced_speed = params->speed.forced_speed;
 954        p_bulletin->req_autoneg_pause = params->pause.autoneg;
 955        p_bulletin->req_forced_rx = params->pause.forced_rx;
 956        p_bulletin->req_forced_tx = params->pause.forced_tx;
 957        p_bulletin->req_loopback = params->loopback_mode;
 958
 959        p_bulletin->link_up = link->link_up;
 960        p_bulletin->speed = link->speed;
 961        p_bulletin->full_duplex = link->full_duplex;
 962        p_bulletin->autoneg = link->an;
 963        p_bulletin->autoneg_complete = link->an_complete;
 964        p_bulletin->parallel_detection = link->parallel_detection;
 965        p_bulletin->pfc_enabled = link->pfc_enabled;
 966        p_bulletin->partner_adv_speed = link->partner_adv_speed;
 967        p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
 968        p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
 969        p_bulletin->partner_adv_pause = link->partner_adv_pause;
 970        p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
 971
 972        p_bulletin->capability_speed = p_caps->speed_capabilities;
 973}
 974
 975static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
 976                                  struct qed_ptt *p_ptt,
 977                                  struct qed_iov_vf_init_params *p_params)
 978{
 979        struct qed_mcp_link_capabilities link_caps;
 980        struct qed_mcp_link_params link_params;
 981        struct qed_mcp_link_state link_state;
 982        u8 num_of_vf_avaiable_chains = 0;
 983        struct qed_vf_info *vf = NULL;
 984        u16 qid, num_irqs;
 985        int rc = 0;
 986        u32 cids;
 987        u8 i;
 988
 989        vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
 990        if (!vf) {
 991                DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
 992                return -EINVAL;
 993        }
 994
 995        if (vf->b_init) {
 996                DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
 997                          p_params->rel_vf_id);
 998                return -EINVAL;
 999        }
1000
1001        /* Perform sanity checking on the requested queue_id */
1002        for (i = 0; i < p_params->num_queues; i++) {
1003                u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1004                u16 max_vf_qzone = min_vf_qzone +
1005                    FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1006
1007                qid = p_params->req_rx_queue[i];
1008                if (qid < min_vf_qzone || qid > max_vf_qzone) {
1009                        DP_NOTICE(p_hwfn,
1010                                  "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1011                                  qid,
1012                                  p_params->rel_vf_id,
1013                                  min_vf_qzone, max_vf_qzone);
1014                        return -EINVAL;
1015                }
1016
1017                qid = p_params->req_tx_queue[i];
1018                if (qid > max_vf_qzone) {
1019                        DP_NOTICE(p_hwfn,
1020                                  "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1021                                  qid, p_params->rel_vf_id, max_vf_qzone);
1022                        return -EINVAL;
1023                }
1024
1025                /* If client *really* wants, Tx qid can be shared with PF */
1026                if (qid < min_vf_qzone)
1027                        DP_VERBOSE(p_hwfn,
1028                                   QED_MSG_IOV,
1029                                   "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1030                                   p_params->rel_vf_id, qid, i);
1031        }
1032
1033        /* Limit number of queues according to number of CIDs */
1034        qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1035        DP_VERBOSE(p_hwfn,
1036                   QED_MSG_IOV,
1037                   "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
1038                   vf->relative_vf_id, p_params->num_queues, (u16)cids);
1039        num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1040
1041        num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1042                                                             p_ptt,
1043                                                             vf, num_irqs);
1044        if (!num_of_vf_avaiable_chains) {
1045                DP_ERR(p_hwfn, "no available igu sbs\n");
1046                return -ENOMEM;
1047        }
1048
1049        /* Choose queue number and index ranges */
1050        vf->num_rxqs = num_of_vf_avaiable_chains;
1051        vf->num_txqs = num_of_vf_avaiable_chains;
1052
1053        for (i = 0; i < vf->num_rxqs; i++) {
1054                struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1055
1056                p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1057                p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1058
1059                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1060                           "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1061                           vf->relative_vf_id, i, vf->igu_sbs[i],
1062                           p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1063        }
1064
1065        /* Update the link configuration in bulletin */
1066        memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1067               sizeof(link_params));
1068        memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1069        memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1070               sizeof(link_caps));
1071        qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1072                         &link_params, &link_state, &link_caps);
1073
1074        rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1075        if (!rc) {
1076                vf->b_init = true;
1077
1078                if (IS_LEAD_HWFN(p_hwfn))
1079                        p_hwfn->cdev->p_iov_info->num_vfs++;
1080        }
1081
1082        return rc;
1083}
1084
1085static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1086                                     struct qed_ptt *p_ptt, u16 rel_vf_id)
1087{
1088        struct qed_mcp_link_capabilities caps;
1089        struct qed_mcp_link_params params;
1090        struct qed_mcp_link_state link;
1091        struct qed_vf_info *vf = NULL;
1092
1093        vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1094        if (!vf) {
1095                DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1096                return -EINVAL;
1097        }
1098
1099        if (vf->bulletin.p_virt)
1100                memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1101
1102        memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1103
1104        /* Get the link configuration back in bulletin so
1105         * that when VFs are re-enabled they get the actual
1106         * link configuration.
1107         */
1108        memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1109        memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1110        memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1111        qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1112
1113        /* Forget the VF's acquisition message */
1114        memset(&vf->acquire, 0, sizeof(vf->acquire));
1115
1116        /* disablng interrupts and resetting permission table was done during
1117         * vf-close, however, we could get here without going through vf_close
1118         */
1119        /* Disable Interrupts for VF */
1120        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1121
1122        /* Reset Permission table */
1123        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1124
1125        vf->num_rxqs = 0;
1126        vf->num_txqs = 0;
1127        qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1128
1129        if (vf->b_init) {
1130                vf->b_init = false;
1131
1132                if (IS_LEAD_HWFN(p_hwfn))
1133                        p_hwfn->cdev->p_iov_info->num_vfs--;
1134        }
1135
1136        return 0;
1137}
1138
1139static bool qed_iov_tlv_supported(u16 tlvtype)
1140{
1141        return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1142}
1143
1144/* place a given tlv on the tlv buffer, continuing current tlv list */
1145void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1146{
1147        struct channel_tlv *tl = (struct channel_tlv *)*offset;
1148
1149        tl->type = type;
1150        tl->length = length;
1151
1152        /* Offset should keep pointing to next TLV (the end of the last) */
1153        *offset += length;
1154
1155        /* Return a pointer to the start of the added tlv */
1156        return *offset - length;
1157}
1158
1159/* list the types and lengths of the tlvs on the buffer */
1160void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1161{
1162        u16 i = 1, total_length = 0;
1163        struct channel_tlv *tlv;
1164
1165        do {
1166                tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1167
1168                /* output tlv */
1169                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1170                           "TLV number %d: type %d, length %d\n",
1171                           i, tlv->type, tlv->length);
1172
1173                if (tlv->type == CHANNEL_TLV_LIST_END)
1174                        return;
1175
1176                /* Validate entry - protect against malicious VFs */
1177                if (!tlv->length) {
1178                        DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1179                        return;
1180                }
1181
1182                total_length += tlv->length;
1183
1184                if (total_length >= sizeof(struct tlv_buffer_size)) {
1185                        DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1186                        return;
1187                }
1188
1189                i++;
1190        } while (1);
1191}
1192
1193static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1194                                  struct qed_ptt *p_ptt,
1195                                  struct qed_vf_info *p_vf,
1196                                  u16 length, u8 status)
1197{
1198        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1199        struct qed_dmae_params params;
1200        u8 eng_vf_id;
1201
1202        mbx->reply_virt->default_resp.hdr.status = status;
1203
1204        qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1205
1206        eng_vf_id = p_vf->abs_vf_id;
1207
1208        memset(&params, 0, sizeof(params));
1209        SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);
1210        params.dst_vfid = eng_vf_id;
1211
1212        qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1213                           mbx->req_virt->first_tlv.reply_address +
1214                           sizeof(u64),
1215                           (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1216                           &params);
1217
1218        /* Once PF copies the rc to the VF, the latter can continue
1219         * and send an additional message. So we have to make sure the
1220         * channel would be re-set to ready prior to that.
1221         */
1222        REG_WR(p_hwfn,
1223               GTT_BAR0_MAP_REG_USDM_RAM +
1224               USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1225
1226        qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1227                           mbx->req_virt->first_tlv.reply_address,
1228                           sizeof(u64) / 4, &params);
1229}
1230
1231static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1232                                enum qed_iov_vport_update_flag flag)
1233{
1234        switch (flag) {
1235        case QED_IOV_VP_UPDATE_ACTIVATE:
1236                return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1237        case QED_IOV_VP_UPDATE_VLAN_STRIP:
1238                return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1239        case QED_IOV_VP_UPDATE_TX_SWITCH:
1240                return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1241        case QED_IOV_VP_UPDATE_MCAST:
1242                return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1243        case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1244                return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1245        case QED_IOV_VP_UPDATE_RSS:
1246                return CHANNEL_TLV_VPORT_UPDATE_RSS;
1247        case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1248                return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1249        case QED_IOV_VP_UPDATE_SGE_TPA:
1250                return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
1251        default:
1252                return 0;
1253        }
1254}
1255
1256static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1257                                            struct qed_vf_info *p_vf,
1258                                            struct qed_iov_vf_mbx *p_mbx,
1259                                            u8 status,
1260                                            u16 tlvs_mask, u16 tlvs_accepted)
1261{
1262        struct pfvf_def_resp_tlv *resp;
1263        u16 size, total_len, i;
1264
1265        memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1266        p_mbx->offset = (u8 *)p_mbx->reply_virt;
1267        size = sizeof(struct pfvf_def_resp_tlv);
1268        total_len = size;
1269
1270        qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1271
1272        /* Prepare response for all extended tlvs if they are found by PF */
1273        for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1274                if (!(tlvs_mask & BIT(i)))
1275                        continue;
1276
1277                resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1278                                   qed_iov_vport_to_tlv(p_hwfn, i), size);
1279
1280                if (tlvs_accepted & BIT(i))
1281                        resp->hdr.status = status;
1282                else
1283                        resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1284
1285                DP_VERBOSE(p_hwfn,
1286                           QED_MSG_IOV,
1287                           "VF[%d] - vport_update response: TLV %d, status %02x\n",
1288                           p_vf->relative_vf_id,
1289                           qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1290
1291                total_len += size;
1292        }
1293
1294        qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1295                    sizeof(struct channel_list_end_tlv));
1296
1297        return total_len;
1298}
1299
1300static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1301                                 struct qed_ptt *p_ptt,
1302                                 struct qed_vf_info *vf_info,
1303                                 u16 type, u16 length, u8 status)
1304{
1305        struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1306
1307        mbx->offset = (u8 *)mbx->reply_virt;
1308
1309        qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1310        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1311                    sizeof(struct channel_list_end_tlv));
1312
1313        qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1314}
1315
1316static struct
1317qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1318                                               u16 relative_vf_id,
1319                                               bool b_enabled_only)
1320{
1321        struct qed_vf_info *vf = NULL;
1322
1323        vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1324        if (!vf)
1325                return NULL;
1326
1327        return &vf->p_vf_info;
1328}
1329
1330static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1331{
1332        struct qed_public_vf_info *vf_info;
1333
1334        vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1335
1336        if (!vf_info)
1337                return;
1338
1339        /* Clear the VF mac */
1340        eth_zero_addr(vf_info->mac);
1341
1342        vf_info->rx_accept_mode = 0;
1343        vf_info->tx_accept_mode = 0;
1344}
1345
1346static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1347                               struct qed_vf_info *p_vf)
1348{
1349        u32 i, j;
1350
1351        p_vf->vf_bulletin = 0;
1352        p_vf->vport_instance = 0;
1353        p_vf->configured_features = 0;
1354
1355        /* If VF previously requested less resources, go back to default */
1356        p_vf->num_rxqs = p_vf->num_sbs;
1357        p_vf->num_txqs = p_vf->num_sbs;
1358
1359        p_vf->num_active_rxqs = 0;
1360
1361        for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1362                struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1363
1364                for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1365                        if (!p_queue->cids[j].p_cid)
1366                                continue;
1367
1368                        qed_eth_queue_cid_release(p_hwfn,
1369                                                  p_queue->cids[j].p_cid);
1370                        p_queue->cids[j].p_cid = NULL;
1371                }
1372        }
1373
1374        memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1375        memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
1376        qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1377}
1378
1379/* Returns either 0, or log(size) */
1380static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1381                                  struct qed_ptt *p_ptt)
1382{
1383        u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1384
1385        if (val)
1386                return val + 11;
1387        return 0;
1388}
1389
1390static void
1391qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1392                                 struct qed_ptt *p_ptt,
1393                                 struct qed_vf_info *p_vf,
1394                                 struct vf_pf_resc_request *p_req,
1395                                 struct pf_vf_resc *p_resp)
1396{
1397        u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1398        u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1399                     qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1400        u32 bar_size;
1401
1402        p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1403
1404        /* If VF didn't bother asking for QIDs than don't bother limiting
1405         * number of CIDs. The VF doesn't care about the number, and this
1406         * has the likely result of causing an additional acquisition.
1407         */
1408        if (!(p_vf->acquire.vfdev_info.capabilities &
1409              VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1410                return;
1411
1412        /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1413         * that would make sure doorbells for all CIDs fall within the bar.
1414         * If it doesn't, make sure regview window is sufficient.
1415         */
1416        if (p_vf->acquire.vfdev_info.capabilities &
1417            VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1418                bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1419                if (bar_size)
1420                        bar_size = 1 << bar_size;
1421
1422                if (p_hwfn->cdev->num_hwfns > 1)
1423                        bar_size /= 2;
1424        } else {
1425                bar_size = PXP_VF_BAR0_DQ_LENGTH;
1426        }
1427
1428        if (bar_size / db_size < 256)
1429                p_resp->num_cids = min_t(u8, p_resp->num_cids,
1430                                         (u8)(bar_size / db_size));
1431}
1432
1433static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1434                                      struct qed_ptt *p_ptt,
1435                                      struct qed_vf_info *p_vf,
1436                                      struct vf_pf_resc_request *p_req,
1437                                      struct pf_vf_resc *p_resp)
1438{
1439        u8 i;
1440
1441        /* Queue related information */
1442        p_resp->num_rxqs = p_vf->num_rxqs;
1443        p_resp->num_txqs = p_vf->num_txqs;
1444        p_resp->num_sbs = p_vf->num_sbs;
1445
1446        for (i = 0; i < p_resp->num_sbs; i++) {
1447                p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1448                p_resp->hw_sbs[i].sb_qid = 0;
1449        }
1450
1451        /* These fields are filled for backward compatibility.
1452         * Unused by modern vfs.
1453         */
1454        for (i = 0; i < p_resp->num_rxqs; i++) {
1455                qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1456                                (u16 *)&p_resp->hw_qid[i]);
1457                p_resp->cid[i] = i;
1458        }
1459
1460        /* Filter related information */
1461        p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1462                                        p_req->num_mac_filters);
1463        p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1464                                         p_req->num_vlan_filters);
1465
1466        qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
1467
1468        /* This isn't really needed/enforced, but some legacy VFs might depend
1469         * on the correct filling of this field.
1470         */
1471        p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1472
1473        /* Validate sufficient resources for VF */
1474        if (p_resp->num_rxqs < p_req->num_rxqs ||
1475            p_resp->num_txqs < p_req->num_txqs ||
1476            p_resp->num_sbs < p_req->num_sbs ||
1477            p_resp->num_mac_filters < p_req->num_mac_filters ||
1478            p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1479            p_resp->num_mc_filters < p_req->num_mc_filters ||
1480            p_resp->num_cids < p_req->num_cids) {
1481                DP_VERBOSE(p_hwfn,
1482                           QED_MSG_IOV,
1483                           "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",
1484                           p_vf->abs_vf_id,
1485                           p_req->num_rxqs,
1486                           p_resp->num_rxqs,
1487                           p_req->num_rxqs,
1488                           p_resp->num_txqs,
1489                           p_req->num_sbs,
1490                           p_resp->num_sbs,
1491                           p_req->num_mac_filters,
1492                           p_resp->num_mac_filters,
1493                           p_req->num_vlan_filters,
1494                           p_resp->num_vlan_filters,
1495                           p_req->num_mc_filters,
1496                           p_resp->num_mc_filters,
1497                           p_req->num_cids, p_resp->num_cids);
1498
1499                /* Some legacy OSes are incapable of correctly handling this
1500                 * failure.
1501                 */
1502                if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1503                     ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1504                    (p_vf->acquire.vfdev_info.os_type ==
1505                     VFPF_ACQUIRE_OS_WINDOWS))
1506                        return PFVF_STATUS_SUCCESS;
1507
1508                return PFVF_STATUS_NO_RESOURCE;
1509        }
1510
1511        return PFVF_STATUS_SUCCESS;
1512}
1513
1514static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1515                                         struct pfvf_stats_info *p_stats)
1516{
1517        p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1518                                  offsetof(struct mstorm_vf_zone,
1519                                           non_trigger.eth_queue_stat);
1520        p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1521        p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1522                                  offsetof(struct ustorm_vf_zone,
1523                                           non_trigger.eth_queue_stat);
1524        p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1525        p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1526                                  offsetof(struct pstorm_vf_zone,
1527                                           non_trigger.eth_queue_stat);
1528        p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1529        p_stats->tstats.address = 0;
1530        p_stats->tstats.len = 0;
1531}
1532
1533static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1534                                   struct qed_ptt *p_ptt,
1535                                   struct qed_vf_info *vf)
1536{
1537        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1538        struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1539        struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1540        struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1541        u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1542        struct pf_vf_resc *resc = &resp->resc;
1543        int rc;
1544
1545        memset(resp, 0, sizeof(*resp));
1546
1547        /* Write the PF version so that VF would know which version
1548         * is supported - might be later overriden. This guarantees that
1549         * VF could recognize legacy PF based on lack of versions in reply.
1550         */
1551        pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1552        pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1553
1554        if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1555                DP_VERBOSE(p_hwfn,
1556                           QED_MSG_IOV,
1557                           "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1558                           vf->abs_vf_id, vf->state);
1559                goto out;
1560        }
1561
1562        /* Validate FW compatibility */
1563        if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
1564                if (req->vfdev_info.capabilities &
1565                    VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1566                        struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1567
1568                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1569                                   "VF[%d] is pre-fastpath HSI\n",
1570                                   vf->abs_vf_id);
1571                        p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1572                        p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1573                } else {
1574                        DP_INFO(p_hwfn,
1575                                "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n",
1576                                vf->abs_vf_id,
1577                                req->vfdev_info.eth_fp_hsi_major,
1578                                req->vfdev_info.eth_fp_hsi_minor,
1579                                ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1580
1581                        goto out;
1582                }
1583        }
1584
1585        /* On 100g PFs, prevent old VFs from loading */
1586        if ((p_hwfn->cdev->num_hwfns > 1) &&
1587            !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1588                DP_INFO(p_hwfn,
1589                        "VF[%d] is running an old driver that doesn't support 100g\n",
1590                        vf->abs_vf_id);
1591                goto out;
1592        }
1593
1594        /* Store the acquire message */
1595        memcpy(&vf->acquire, req, sizeof(vf->acquire));
1596
1597        vf->opaque_fid = req->vfdev_info.opaque_fid;
1598
1599        vf->vf_bulletin = req->bulletin_addr;
1600        vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1601                            vf->bulletin.size : req->bulletin_size;
1602
1603        /* fill in pfdev info */
1604        pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1605        pfdev_info->db_size = 0;
1606        pfdev_info->indices_per_sb = PIS_PER_SB_E4;
1607
1608        pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1609                                   PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1610        if (p_hwfn->cdev->num_hwfns > 1)
1611                pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1612
1613        /* Share our ability to use multiple queue-ids only with VFs
1614         * that request it.
1615         */
1616        if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1617                pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1618
1619        /* Share the sizes of the bars with VF */
1620        resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1621
1622        qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1623
1624        memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1625
1626        pfdev_info->fw_major = FW_MAJOR_VERSION;
1627        pfdev_info->fw_minor = FW_MINOR_VERSION;
1628        pfdev_info->fw_rev = FW_REVISION_VERSION;
1629        pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1630
1631        /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1632         * this field.
1633         */
1634        pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1635                                         req->vfdev_info.eth_fp_hsi_minor);
1636        pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1637        qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1638
1639        pfdev_info->dev_type = p_hwfn->cdev->type;
1640        pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1641
1642        /* Fill resources available to VF; Make sure there are enough to
1643         * satisfy the VF's request.
1644         */
1645        vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1646                                                  &req->resc_request, resc);
1647        if (vfpf_status != PFVF_STATUS_SUCCESS)
1648                goto out;
1649
1650        /* Start the VF in FW */
1651        rc = qed_sp_vf_start(p_hwfn, vf);
1652        if (rc) {
1653                DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1654                vfpf_status = PFVF_STATUS_FAILURE;
1655                goto out;
1656        }
1657
1658        /* Fill agreed size of bulletin board in response */
1659        resp->bulletin_size = vf->bulletin.size;
1660        qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1661
1662        DP_VERBOSE(p_hwfn,
1663                   QED_MSG_IOV,
1664                   "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1665                   "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1666                   vf->abs_vf_id,
1667                   resp->pfdev_info.chip_num,
1668                   resp->pfdev_info.db_size,
1669                   resp->pfdev_info.indices_per_sb,
1670                   resp->pfdev_info.capabilities,
1671                   resc->num_rxqs,
1672                   resc->num_txqs,
1673                   resc->num_sbs,
1674                   resc->num_mac_filters,
1675                   resc->num_vlan_filters);
1676        vf->state = VF_ACQUIRED;
1677
1678        /* Prepare Response */
1679out:
1680        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1681                             sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
1682}
1683
1684static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1685                                  struct qed_vf_info *p_vf, bool val)
1686{
1687        struct qed_sp_vport_update_params params;
1688        int rc;
1689
1690        if (val == p_vf->spoof_chk) {
1691                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1692                           "Spoofchk value[%d] is already configured\n", val);
1693                return 0;
1694        }
1695
1696        memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1697        params.opaque_fid = p_vf->opaque_fid;
1698        params.vport_id = p_vf->vport_id;
1699        params.update_anti_spoofing_en_flg = 1;
1700        params.anti_spoofing_en = val;
1701
1702        rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1703        if (!rc) {
1704                p_vf->spoof_chk = val;
1705                p_vf->req_spoofchk_val = p_vf->spoof_chk;
1706                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1707                           "Spoofchk val[%d] configured\n", val);
1708        } else {
1709                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1710                           "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1711                           val, p_vf->relative_vf_id);
1712        }
1713
1714        return rc;
1715}
1716
1717static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1718                                            struct qed_vf_info *p_vf)
1719{
1720        struct qed_filter_ucast filter;
1721        int rc = 0;
1722        int i;
1723
1724        memset(&filter, 0, sizeof(filter));
1725        filter.is_rx_filter = 1;
1726        filter.is_tx_filter = 1;
1727        filter.vport_to_add_to = p_vf->vport_id;
1728        filter.opcode = QED_FILTER_ADD;
1729
1730        /* Reconfigure vlans */
1731        for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1732                if (!p_vf->shadow_config.vlans[i].used)
1733                        continue;
1734
1735                filter.type = QED_FILTER_VLAN;
1736                filter.vlan = p_vf->shadow_config.vlans[i].vid;
1737                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1738                           "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1739                           filter.vlan, p_vf->relative_vf_id);
1740                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1741                                             &filter, QED_SPQ_MODE_CB, NULL);
1742                if (rc) {
1743                        DP_NOTICE(p_hwfn,
1744                                  "Failed to configure VLAN [%04x] to VF [%04x]\n",
1745                                  filter.vlan, p_vf->relative_vf_id);
1746                        break;
1747                }
1748        }
1749
1750        return rc;
1751}
1752
1753static int
1754qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1755                                   struct qed_vf_info *p_vf, u64 events)
1756{
1757        int rc = 0;
1758
1759        if ((events & BIT(VLAN_ADDR_FORCED)) &&
1760            !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1761                rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1762
1763        return rc;
1764}
1765
1766static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1767                                          struct qed_vf_info *p_vf, u64 events)
1768{
1769        int rc = 0;
1770        struct qed_filter_ucast filter;
1771
1772        if (!p_vf->vport_instance)
1773                return -EINVAL;
1774
1775        if ((events & BIT(MAC_ADDR_FORCED)) ||
1776            p_vf->p_vf_info.is_trusted_configured) {
1777                /* Since there's no way [currently] of removing the MAC,
1778                 * we can always assume this means we need to force it.
1779                 */
1780                memset(&filter, 0, sizeof(filter));
1781                filter.type = QED_FILTER_MAC;
1782                filter.opcode = QED_FILTER_REPLACE;
1783                filter.is_rx_filter = 1;
1784                filter.is_tx_filter = 1;
1785                filter.vport_to_add_to = p_vf->vport_id;
1786                ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1787
1788                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1789                                             &filter, QED_SPQ_MODE_CB, NULL);
1790                if (rc) {
1791                        DP_NOTICE(p_hwfn,
1792                                  "PF failed to configure MAC for VF\n");
1793                        return rc;
1794                }
1795                if (p_vf->p_vf_info.is_trusted_configured)
1796                        p_vf->configured_features |=
1797                                BIT(VFPF_BULLETIN_MAC_ADDR);
1798                else
1799                        p_vf->configured_features |=
1800                                BIT(MAC_ADDR_FORCED);
1801        }
1802
1803        if (events & BIT(VLAN_ADDR_FORCED)) {
1804                struct qed_sp_vport_update_params vport_update;
1805                u8 removal;
1806                int i;
1807
1808                memset(&filter, 0, sizeof(filter));
1809                filter.type = QED_FILTER_VLAN;
1810                filter.is_rx_filter = 1;
1811                filter.is_tx_filter = 1;
1812                filter.vport_to_add_to = p_vf->vport_id;
1813                filter.vlan = p_vf->bulletin.p_virt->pvid;
1814                filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1815                                              QED_FILTER_FLUSH;
1816
1817                /* Send the ramrod */
1818                rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1819                                             &filter, QED_SPQ_MODE_CB, NULL);
1820                if (rc) {
1821                        DP_NOTICE(p_hwfn,
1822                                  "PF failed to configure VLAN for VF\n");
1823                        return rc;
1824                }
1825
1826                /* Update the default-vlan & silent vlan stripping */
1827                memset(&vport_update, 0, sizeof(vport_update));
1828                vport_update.opaque_fid = p_vf->opaque_fid;
1829                vport_update.vport_id = p_vf->vport_id;
1830                vport_update.update_default_vlan_enable_flg = 1;
1831                vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1832                vport_update.update_default_vlan_flg = 1;
1833                vport_update.default_vlan = filter.vlan;
1834
1835                vport_update.update_inner_vlan_removal_flg = 1;
1836                removal = filter.vlan ? 1
1837                                      : p_vf->shadow_config.inner_vlan_removal;
1838                vport_update.inner_vlan_removal_flg = removal;
1839                vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1840                rc = qed_sp_vport_update(p_hwfn,
1841                                         &vport_update,
1842                                         QED_SPQ_MODE_EBLOCK, NULL);
1843                if (rc) {
1844                        DP_NOTICE(p_hwfn,
1845                                  "PF failed to configure VF vport for vlan\n");
1846                        return rc;
1847                }
1848
1849                /* Update all the Rx queues */
1850                for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1851                        struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1852                        struct qed_queue_cid *p_cid = NULL;
1853
1854                        /* There can be at most 1 Rx queue on qzone. Find it */
1855                        p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
1856                        if (!p_cid)
1857                                continue;
1858
1859                        rc = qed_sp_eth_rx_queues_update(p_hwfn,
1860                                                         (void **)&p_cid,
1861                                                         1, 0, 1,
1862                                                         QED_SPQ_MODE_EBLOCK,
1863                                                         NULL);
1864                        if (rc) {
1865                                DP_NOTICE(p_hwfn,
1866                                          "Failed to send Rx update fo queue[0x%04x]\n",
1867                                          p_cid->rel.queue_id);
1868                                return rc;
1869                        }
1870                }
1871
1872                if (filter.vlan)
1873                        p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1874                else
1875                        p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
1876        }
1877
1878        /* If forced features are terminated, we need to configure the shadow
1879         * configuration back again.
1880         */
1881        if (events)
1882                qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1883
1884        return rc;
1885}
1886
1887static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1888                                       struct qed_ptt *p_ptt,
1889                                       struct qed_vf_info *vf)
1890{
1891        struct qed_sp_vport_start_params params = { 0 };
1892        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1893        struct vfpf_vport_start_tlv *start;
1894        u8 status = PFVF_STATUS_SUCCESS;
1895        struct qed_vf_info *vf_info;
1896        u64 *p_bitmap;
1897        int sb_id;
1898        int rc;
1899
1900        vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1901        if (!vf_info) {
1902                DP_NOTICE(p_hwfn->cdev,
1903                          "Failed to get VF info, invalid vfid [%d]\n",
1904                          vf->relative_vf_id);
1905                return;
1906        }
1907
1908        vf->state = VF_ENABLED;
1909        start = &mbx->req_virt->start_vport;
1910
1911        qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1912
1913        /* Initialize Status block in CAU */
1914        for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1915                if (!start->sb_addr[sb_id]) {
1916                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1917                                   "VF[%d] did not fill the address of SB %d\n",
1918                                   vf->relative_vf_id, sb_id);
1919                        break;
1920                }
1921
1922                qed_int_cau_conf_sb(p_hwfn, p_ptt,
1923                                    start->sb_addr[sb_id],
1924                                    vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
1925        }
1926
1927        vf->mtu = start->mtu;
1928        vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1929
1930        /* Take into consideration configuration forced by hypervisor;
1931         * If none is configured, use the supplied VF values [for old
1932         * vfs that would still be fine, since they passed '0' as padding].
1933         */
1934        p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1935        if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1936                u8 vf_req = start->only_untagged;
1937
1938                vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1939                *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1940        }
1941
1942        params.tpa_mode = start->tpa_mode;
1943        params.remove_inner_vlan = start->inner_vlan_removal;
1944        params.tx_switching = true;
1945
1946        params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
1947        params.drop_ttl0 = false;
1948        params.concrete_fid = vf->concrete_fid;
1949        params.opaque_fid = vf->opaque_fid;
1950        params.vport_id = vf->vport_id;
1951        params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1952        params.mtu = vf->mtu;
1953
1954        /* Non trusted VFs should enable control frame filtering */
1955        params.check_mac = !vf->p_vf_info.is_trusted_configured;
1956
1957        rc = qed_sp_eth_vport_start(p_hwfn, &params);
1958        if (rc) {
1959                DP_ERR(p_hwfn,
1960                       "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1961                status = PFVF_STATUS_FAILURE;
1962        } else {
1963                vf->vport_instance++;
1964
1965                /* Force configuration if needed on the newly opened vport */
1966                qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
1967
1968                __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
1969        }
1970        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1971                             sizeof(struct pfvf_def_resp_tlv), status);
1972}
1973
1974static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1975                                      struct qed_ptt *p_ptt,
1976                                      struct qed_vf_info *vf)
1977{
1978        u8 status = PFVF_STATUS_SUCCESS;
1979        int rc;
1980
1981        vf->vport_instance--;
1982        vf->spoof_chk = false;
1983
1984        if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
1985            (qed_iov_validate_active_txq(p_hwfn, vf))) {
1986                vf->b_malicious = true;
1987                DP_NOTICE(p_hwfn,
1988                          "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n",
1989                          vf->abs_vf_id);
1990                status = PFVF_STATUS_MALICIOUS;
1991                goto out;
1992        }
1993
1994        rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1995        if (rc) {
1996                DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1997                       rc);
1998                status = PFVF_STATUS_FAILURE;
1999        }
2000
2001        /* Forget the configuration on the vport */
2002        vf->configured_features = 0;
2003        memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2004
2005out:
2006        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2007                             sizeof(struct pfvf_def_resp_tlv), status);
2008}
2009
2010static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2011                                          struct qed_ptt *p_ptt,
2012                                          struct qed_vf_info *vf,
2013                                          u8 status, bool b_legacy)
2014{
2015        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2016        struct pfvf_start_queue_resp_tlv *p_tlv;
2017        struct vfpf_start_rxq_tlv *req;
2018        u16 length;
2019
2020        mbx->offset = (u8 *)mbx->reply_virt;
2021
2022        /* Taking a bigger struct instead of adding a TLV to list was a
2023         * mistake, but one which we're now stuck with, as some older
2024         * clients assume the size of the previous response.
2025         */
2026        if (!b_legacy)
2027                length = sizeof(*p_tlv);
2028        else
2029                length = sizeof(struct pfvf_def_resp_tlv);
2030
2031        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
2032                            length);
2033        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2034                    sizeof(struct channel_list_end_tlv));
2035
2036        /* Update the TLV with the response */
2037        if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
2038                req = &mbx->req_virt->start_rxq;
2039                p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2040                                offsetof(struct mstorm_vf_zone,
2041                                         non_trigger.eth_rx_queue_producers) +
2042                                sizeof(struct eth_rx_prod_data) * req->rx_qid;
2043        }
2044
2045        qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2046}
2047
2048static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2049                             struct qed_vf_info *p_vf, bool b_is_tx)
2050{
2051        struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2052        struct vfpf_qid_tlv *p_qid_tlv;
2053
2054        /* Search for the qid if the VF published its going to provide it */
2055        if (!(p_vf->acquire.vfdev_info.capabilities &
2056              VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2057                if (b_is_tx)
2058                        return QED_IOV_LEGACY_QID_TX;
2059                else
2060                        return QED_IOV_LEGACY_QID_RX;
2061        }
2062
2063        p_qid_tlv = (struct vfpf_qid_tlv *)
2064                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2065                                             CHANNEL_TLV_QID);
2066        if (!p_qid_tlv) {
2067                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2068                           "VF[%2x]: Failed to provide qid\n",
2069                           p_vf->relative_vf_id);
2070
2071                return QED_IOV_QID_INVALID;
2072        }
2073
2074        if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2075                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2076                           "VF[%02x]: Provided qid out-of-bounds %02x\n",
2077                           p_vf->relative_vf_id, p_qid_tlv->qid);
2078                return QED_IOV_QID_INVALID;
2079        }
2080
2081        return p_qid_tlv->qid;
2082}
2083
2084static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2085                                     struct qed_ptt *p_ptt,
2086                                     struct qed_vf_info *vf)
2087{
2088        struct qed_queue_start_common_params params;
2089        struct qed_queue_cid_vf_params vf_params;
2090        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2091        u8 status = PFVF_STATUS_NO_RESOURCE;
2092        u8 qid_usage_idx, vf_legacy = 0;
2093        struct vfpf_start_rxq_tlv *req;
2094        struct qed_vf_queue *p_queue;
2095        struct qed_queue_cid *p_cid;
2096        struct qed_sb_info sb_dummy;
2097        int rc;
2098
2099        req = &mbx->req_virt->start_rxq;
2100
2101        if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2102                                  QED_IOV_VALIDATE_Q_DISABLE) ||
2103            !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2104                goto out;
2105
2106        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2107        if (qid_usage_idx == QED_IOV_QID_INVALID)
2108                goto out;
2109
2110        p_queue = &vf->vf_queues[req->rx_qid];
2111        if (p_queue->cids[qid_usage_idx].p_cid)
2112                goto out;
2113
2114        vf_legacy = qed_vf_calculate_legacy(vf);
2115
2116        /* Acquire a new queue-cid */
2117        memset(&params, 0, sizeof(params));
2118        params.queue_id = p_queue->fw_rx_qid;
2119        params.vport_id = vf->vport_id;
2120        params.stats_id = vf->abs_vf_id + 0x10;
2121        /* Since IGU index is passed via sb_info, construct a dummy one */
2122        memset(&sb_dummy, 0, sizeof(sb_dummy));
2123        sb_dummy.igu_sb_id = req->hw_sb;
2124        params.p_sb = &sb_dummy;
2125        params.sb_idx = req->sb_index;
2126
2127        memset(&vf_params, 0, sizeof(vf_params));
2128        vf_params.vfid = vf->relative_vf_id;
2129        vf_params.vf_qid = (u8)req->rx_qid;
2130        vf_params.vf_legacy = vf_legacy;
2131        vf_params.qid_usage_idx = qid_usage_idx;
2132        p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2133                                     &params, true, &vf_params);
2134        if (!p_cid)
2135                goto out;
2136
2137        /* Legacy VFs have their Producers in a different location, which they
2138         * calculate on their own and clean the producer prior to this.
2139         */
2140        if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
2141                REG_WR(p_hwfn,
2142                       GTT_BAR0_MAP_REG_MSDM_RAM +
2143                       MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2144                       0);
2145
2146        rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
2147                                      req->bd_max_bytes,
2148                                      req->rxq_addr,
2149                                      req->cqe_pbl_addr, req->cqe_pbl_size);
2150        if (rc) {
2151                status = PFVF_STATUS_FAILURE;
2152                qed_eth_queue_cid_release(p_hwfn, p_cid);
2153        } else {
2154                p_queue->cids[qid_usage_idx].p_cid = p_cid;
2155                p_queue->cids[qid_usage_idx].b_is_tx = false;
2156                status = PFVF_STATUS_SUCCESS;
2157                vf->num_active_rxqs++;
2158        }
2159
2160out:
2161        qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2162                                      !!(vf_legacy &
2163                                         QED_QCID_LEGACY_VF_RX_PROD));
2164}
2165
2166static void
2167qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2168                               struct qed_tunnel_info *p_tun,
2169                               u16 tunn_feature_mask)
2170{
2171        p_resp->tunn_feature_mask = tunn_feature_mask;
2172        p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2173        p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2174        p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2175        p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2176        p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2177        p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2178        p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2179        p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2180        p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2181        p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2182        p_resp->geneve_udp_port = p_tun->geneve_port.port;
2183        p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2184}
2185
2186static void
2187__qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2188                              struct qed_tunn_update_type *p_tun,
2189                              enum qed_tunn_mode mask, u8 tun_cls)
2190{
2191        if (p_req->tun_mode_update_mask & BIT(mask)) {
2192                p_tun->b_update_mode = true;
2193
2194                if (p_req->tunn_mode & BIT(mask))
2195                        p_tun->b_mode_enabled = true;
2196        }
2197
2198        p_tun->tun_cls = tun_cls;
2199}
2200
2201static void
2202qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2203                            struct qed_tunn_update_type *p_tun,
2204                            struct qed_tunn_update_udp_port *p_port,
2205                            enum qed_tunn_mode mask,
2206                            u8 tun_cls, u8 update_port, u16 port)
2207{
2208        if (update_port) {
2209                p_port->b_update_port = true;
2210                p_port->port = port;
2211        }
2212
2213        __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2214}
2215
2216static bool
2217qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2218{
2219        bool b_update_requested = false;
2220
2221        if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2222            p_req->update_geneve_port || p_req->update_vxlan_port)
2223                b_update_requested = true;
2224
2225        return b_update_requested;
2226}
2227
2228static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2229{
2230        if (tun->b_update_mode && !tun->b_mode_enabled) {
2231                tun->b_update_mode = false;
2232                *rc = -EINVAL;
2233        }
2234}
2235
2236static int
2237qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2238                                   u16 *tun_features, bool *update,
2239                                   struct qed_tunnel_info *tun_src)
2240{
2241        struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2242        struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2243        u16 bultn_vxlan_port, bultn_geneve_port;
2244        void *cookie = p_hwfn->cdev->ops_cookie;
2245        int i, rc = 0;
2246
2247        *tun_features = p_hwfn->cdev->tunn_feature_mask;
2248        bultn_vxlan_port = tun->vxlan_port.port;
2249        bultn_geneve_port = tun->geneve_port.port;
2250        qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2251        qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2252        qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2253        qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2254        qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2255
2256        if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2257            (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2258             tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2259             tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2260             tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2261             tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2262                tun_src->b_update_rx_cls = false;
2263                tun_src->b_update_tx_cls = false;
2264                rc = -EINVAL;
2265        }
2266
2267        if (tun_src->vxlan_port.b_update_port) {
2268                if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2269                        tun_src->vxlan_port.b_update_port = false;
2270                } else {
2271                        *update = true;
2272                        bultn_vxlan_port = tun_src->vxlan_port.port;
2273                }
2274        }
2275
2276        if (tun_src->geneve_port.b_update_port) {
2277                if (tun_src->geneve_port.port == tun->geneve_port.port) {
2278                        tun_src->geneve_port.b_update_port = false;
2279                } else {
2280                        *update = true;
2281                        bultn_geneve_port = tun_src->geneve_port.port;
2282                }
2283        }
2284
2285        qed_for_each_vf(p_hwfn, i) {
2286                qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2287                                               bultn_geneve_port);
2288        }
2289
2290        qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2291        ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2292
2293        return rc;
2294}
2295
2296static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2297                                             struct qed_ptt *p_ptt,
2298                                             struct qed_vf_info *p_vf)
2299{
2300        struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2301        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2302        struct pfvf_update_tunn_param_tlv *p_resp;
2303        struct vfpf_update_tunn_param_tlv *p_req;
2304        u8 status = PFVF_STATUS_SUCCESS;
2305        bool b_update_required = false;
2306        struct qed_tunnel_info tunn;
2307        u16 tunn_feature_mask = 0;
2308        int i, rc = 0;
2309
2310        mbx->offset = (u8 *)mbx->reply_virt;
2311
2312        memset(&tunn, 0, sizeof(tunn));
2313        p_req = &mbx->req_virt->tunn_param_update;
2314
2315        if (!qed_iov_pf_validate_tunn_param(p_req)) {
2316                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2317                           "No tunnel update requested by VF\n");
2318                status = PFVF_STATUS_FAILURE;
2319                goto send_resp;
2320        }
2321
2322        tunn.b_update_rx_cls = p_req->update_tun_cls;
2323        tunn.b_update_tx_cls = p_req->update_tun_cls;
2324
2325        qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2326                                    QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2327                                    p_req->update_vxlan_port,
2328                                    p_req->vxlan_port);
2329        qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2330                                    QED_MODE_L2GENEVE_TUNN,
2331                                    p_req->l2geneve_clss,
2332                                    p_req->update_geneve_port,
2333                                    p_req->geneve_port);
2334        __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2335                                      QED_MODE_IPGENEVE_TUNN,
2336                                      p_req->ipgeneve_clss);
2337        __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2338                                      QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2339        __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2340                                      QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2341
2342        /* If PF modifies VF's req then it should
2343         * still return an error in case of partial configuration
2344         * or modified configuration as opposed to requested one.
2345         */
2346        rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2347                                                &b_update_required, &tunn);
2348
2349        if (rc)
2350                status = PFVF_STATUS_FAILURE;
2351
2352        /* If QED client is willing to update anything ? */
2353        if (b_update_required) {
2354                u16 geneve_port;
2355
2356                rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
2357                                               QED_SPQ_MODE_EBLOCK, NULL);
2358                if (rc)
2359                        status = PFVF_STATUS_FAILURE;
2360
2361                geneve_port = p_tun->geneve_port.port;
2362                qed_for_each_vf(p_hwfn, i) {
2363                        qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2364                                                       p_tun->vxlan_port.port,
2365                                                       geneve_port);
2366                }
2367        }
2368
2369send_resp:
2370        p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2371                             CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2372
2373        qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2374        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2375                    sizeof(struct channel_list_end_tlv));
2376
2377        qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2378}
2379
2380static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2381                                          struct qed_ptt *p_ptt,
2382                                          struct qed_vf_info *p_vf,
2383                                          u32 cid, u8 status)
2384{
2385        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2386        struct pfvf_start_queue_resp_tlv *p_tlv;
2387        bool b_legacy = false;
2388        u16 length;
2389
2390        mbx->offset = (u8 *)mbx->reply_virt;
2391
2392        /* Taking a bigger struct instead of adding a TLV to list was a
2393         * mistake, but one which we're now stuck with, as some older
2394         * clients assume the size of the previous response.
2395         */
2396        if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2397            ETH_HSI_VER_NO_PKT_LEN_TUNN)
2398                b_legacy = true;
2399
2400        if (!b_legacy)
2401                length = sizeof(*p_tlv);
2402        else
2403                length = sizeof(struct pfvf_def_resp_tlv);
2404
2405        p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
2406                            length);
2407        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2408                    sizeof(struct channel_list_end_tlv));
2409
2410        /* Update the TLV with the response */
2411        if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2412                p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
2413
2414        qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
2415}
2416
2417static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2418                                     struct qed_ptt *p_ptt,
2419                                     struct qed_vf_info *vf)
2420{
2421        struct qed_queue_start_common_params params;
2422        struct qed_queue_cid_vf_params vf_params;
2423        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2424        u8 status = PFVF_STATUS_NO_RESOURCE;
2425        struct vfpf_start_txq_tlv *req;
2426        struct qed_vf_queue *p_queue;
2427        struct qed_queue_cid *p_cid;
2428        struct qed_sb_info sb_dummy;
2429        u8 qid_usage_idx, vf_legacy;
2430        u32 cid = 0;
2431        int rc;
2432        u16 pq;
2433
2434        memset(&params, 0, sizeof(params));
2435        req = &mbx->req_virt->start_txq;
2436
2437        if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2438                                  QED_IOV_VALIDATE_Q_NA) ||
2439            !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2440                goto out;
2441
2442        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2443        if (qid_usage_idx == QED_IOV_QID_INVALID)
2444                goto out;
2445
2446        p_queue = &vf->vf_queues[req->tx_qid];
2447        if (p_queue->cids[qid_usage_idx].p_cid)
2448                goto out;
2449
2450        vf_legacy = qed_vf_calculate_legacy(vf);
2451
2452        /* Acquire a new queue-cid */
2453        params.queue_id = p_queue->fw_tx_qid;
2454        params.vport_id = vf->vport_id;
2455        params.stats_id = vf->abs_vf_id + 0x10;
2456
2457        /* Since IGU index is passed via sb_info, construct a dummy one */
2458        memset(&sb_dummy, 0, sizeof(sb_dummy));
2459        sb_dummy.igu_sb_id = req->hw_sb;
2460        params.p_sb = &sb_dummy;
2461        params.sb_idx = req->sb_index;
2462
2463        memset(&vf_params, 0, sizeof(vf_params));
2464        vf_params.vfid = vf->relative_vf_id;
2465        vf_params.vf_qid = (u8)req->tx_qid;
2466        vf_params.vf_legacy = vf_legacy;
2467        vf_params.qid_usage_idx = qid_usage_idx;
2468
2469        p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2470                                     &params, false, &vf_params);
2471        if (!p_cid)
2472                goto out;
2473
2474        pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
2475        rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
2476                                      req->pbl_addr, req->pbl_size, pq);
2477        if (rc) {
2478                status = PFVF_STATUS_FAILURE;
2479                qed_eth_queue_cid_release(p_hwfn, p_cid);
2480        } else {
2481                status = PFVF_STATUS_SUCCESS;
2482                p_queue->cids[qid_usage_idx].p_cid = p_cid;
2483                p_queue->cids[qid_usage_idx].b_is_tx = true;
2484                cid = p_cid->cid;
2485        }
2486
2487out:
2488        qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
2489}
2490
2491static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2492                                struct qed_vf_info *vf,
2493                                u16 rxq_id,
2494                                u8 qid_usage_idx, bool cqe_completion)
2495{
2496        struct qed_vf_queue *p_queue;
2497        int rc = 0;
2498
2499        if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
2500                DP_VERBOSE(p_hwfn,
2501                           QED_MSG_IOV,
2502                           "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2503                           vf->relative_vf_id, rxq_id, qid_usage_idx);
2504                return -EINVAL;
2505        }
2506
2507        p_queue = &vf->vf_queues[rxq_id];
2508
2509        /* We've validated the index and the existence of the active RXQ -
2510         * now we need to make sure that it's using the correct qid.
2511         */
2512        if (!p_queue->cids[qid_usage_idx].p_cid ||
2513            p_queue->cids[qid_usage_idx].b_is_tx) {
2514                struct qed_queue_cid *p_cid;
2515
2516                p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2517                DP_VERBOSE(p_hwfn,
2518                           QED_MSG_IOV,
2519                           "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2520                           vf->relative_vf_id,
2521                           rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2522                return -EINVAL;
2523        }
2524
2525        /* Now that we know we have a valid Rx-queue - close it */
2526        rc = qed_eth_rx_queue_stop(p_hwfn,
2527                                   p_queue->cids[qid_usage_idx].p_cid,
2528                                   false, cqe_completion);
2529        if (rc)
2530                return rc;
2531
2532        p_queue->cids[qid_usage_idx].p_cid = NULL;
2533        vf->num_active_rxqs--;
2534
2535        return 0;
2536}
2537
2538static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
2539                                struct qed_vf_info *vf,
2540                                u16 txq_id, u8 qid_usage_idx)
2541{
2542        struct qed_vf_queue *p_queue;
2543        int rc = 0;
2544
2545        if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
2546                return -EINVAL;
2547
2548        p_queue = &vf->vf_queues[txq_id];
2549        if (!p_queue->cids[qid_usage_idx].p_cid ||
2550            !p_queue->cids[qid_usage_idx].b_is_tx)
2551                return -EINVAL;
2552
2553        rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
2554        if (rc)
2555                return rc;
2556
2557        p_queue->cids[qid_usage_idx].p_cid = NULL;
2558        return 0;
2559}
2560
2561static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2562                                     struct qed_ptt *p_ptt,
2563                                     struct qed_vf_info *vf)
2564{
2565        u16 length = sizeof(struct pfvf_def_resp_tlv);
2566        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2567        u8 status = PFVF_STATUS_FAILURE;
2568        struct vfpf_stop_rxqs_tlv *req;
2569        u8 qid_usage_idx;
2570        int rc;
2571
2572        /* There has never been an official driver that used this interface
2573         * for stopping multiple queues, and it is now considered deprecated.
2574         * Validate this isn't used here.
2575         */
2576        req = &mbx->req_virt->stop_rxqs;
2577        if (req->num_rxqs != 1) {
2578                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2579                           "Odd; VF[%d] tried stopping multiple Rx queues\n",
2580                           vf->relative_vf_id);
2581                status = PFVF_STATUS_NOT_SUPPORTED;
2582                goto out;
2583        }
2584
2585        /* Find which qid-index is associated with the queue */
2586        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2587        if (qid_usage_idx == QED_IOV_QID_INVALID)
2588                goto out;
2589
2590        rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2591                                  qid_usage_idx, req->cqe_completion);
2592        if (!rc)
2593                status = PFVF_STATUS_SUCCESS;
2594out:
2595        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2596                             length, status);
2597}
2598
2599static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2600                                     struct qed_ptt *p_ptt,
2601                                     struct qed_vf_info *vf)
2602{
2603        u16 length = sizeof(struct pfvf_def_resp_tlv);
2604        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2605        u8 status = PFVF_STATUS_FAILURE;
2606        struct vfpf_stop_txqs_tlv *req;
2607        u8 qid_usage_idx;
2608        int rc;
2609
2610        /* There has never been an official driver that used this interface
2611         * for stopping multiple queues, and it is now considered deprecated.
2612         * Validate this isn't used here.
2613         */
2614        req = &mbx->req_virt->stop_txqs;
2615        if (req->num_txqs != 1) {
2616                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2617                           "Odd; VF[%d] tried stopping multiple Tx queues\n",
2618                           vf->relative_vf_id);
2619                status = PFVF_STATUS_NOT_SUPPORTED;
2620                goto out;
2621        }
2622
2623        /* Find which qid-index is associated with the queue */
2624        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
2625        if (qid_usage_idx == QED_IOV_QID_INVALID)
2626                goto out;
2627
2628        rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
2629        if (!rc)
2630                status = PFVF_STATUS_SUCCESS;
2631
2632out:
2633        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2634                             length, status);
2635}
2636
2637static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2638                                       struct qed_ptt *p_ptt,
2639                                       struct qed_vf_info *vf)
2640{
2641        struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
2642        u16 length = sizeof(struct pfvf_def_resp_tlv);
2643        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2644        struct vfpf_update_rxq_tlv *req;
2645        u8 status = PFVF_STATUS_FAILURE;
2646        u8 complete_event_flg;
2647        u8 complete_cqe_flg;
2648        u8 qid_usage_idx;
2649        int rc;
2650        u8 i;
2651
2652        req = &mbx->req_virt->update_rxq;
2653        complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2654        complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2655
2656        qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
2657        if (qid_usage_idx == QED_IOV_QID_INVALID)
2658                goto out;
2659
2660        /* There shouldn't exist a VF that uses queue-qids yet uses this
2661         * API with multiple Rx queues. Validate this.
2662         */
2663        if ((vf->acquire.vfdev_info.capabilities &
2664             VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2665                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2666                           "VF[%d] supports QIDs but sends multiple queues\n",
2667                           vf->relative_vf_id);
2668                goto out;
2669        }
2670
2671        /* Validate inputs - for the legacy case this is still true since
2672         * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2673         */
2674        for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
2675                if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2676                                          QED_IOV_VALIDATE_Q_NA) ||
2677                    !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2678                    vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2679                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2680                                   "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2681                                   vf->relative_vf_id, req->rx_qid,
2682                                   req->num_rxqs);
2683                        goto out;
2684                }
2685        }
2686
2687        /* Prepare the handlers */
2688        for (i = 0; i < req->num_rxqs; i++) {
2689                u16 qid = req->rx_qid + i;
2690
2691                handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
2692        }
2693
2694        rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2695                                         req->num_rxqs,
2696                                         complete_cqe_flg,
2697                                         complete_event_flg,
2698                                         QED_SPQ_MODE_EBLOCK, NULL);
2699        if (rc)
2700                goto out;
2701
2702        status = PFVF_STATUS_SUCCESS;
2703out:
2704        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2705                             length, status);
2706}
2707
2708void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2709                               void *p_tlvs_list, u16 req_type)
2710{
2711        struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2712        int len = 0;
2713
2714        do {
2715                if (!p_tlv->length) {
2716                        DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2717                        return NULL;
2718                }
2719
2720                if (p_tlv->type == req_type) {
2721                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2722                                   "Extended tlv type %d, length %d found\n",
2723                                   p_tlv->type, p_tlv->length);
2724                        return p_tlv;
2725                }
2726
2727                len += p_tlv->length;
2728                p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2729
2730                if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2731                        DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2732                        return NULL;
2733                }
2734        } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2735
2736        return NULL;
2737}
2738
2739static void
2740qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2741                            struct qed_sp_vport_update_params *p_data,
2742                            struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2743{
2744        struct vfpf_vport_update_activate_tlv *p_act_tlv;
2745        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2746
2747        p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2748                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2749        if (!p_act_tlv)
2750                return;
2751
2752        p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2753        p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2754        p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2755        p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2756        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2757}
2758
2759static void
2760qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2761                             struct qed_sp_vport_update_params *p_data,
2762                             struct qed_vf_info *p_vf,
2763                             struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2764{
2765        struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2766        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2767
2768        p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2769                     qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2770        if (!p_vlan_tlv)
2771                return;
2772
2773        p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2774
2775        /* Ignore the VF request if we're forcing a vlan */
2776        if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
2777                p_data->update_inner_vlan_removal_flg = 1;
2778                p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2779        }
2780
2781        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2782}
2783
2784static void
2785qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2786                            struct qed_sp_vport_update_params *p_data,
2787                            struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2788{
2789        struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2790        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2791
2792        p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2793                          qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2794                                                   tlv);
2795        if (!p_tx_switch_tlv)
2796                return;
2797
2798        p_data->update_tx_switching_flg = 1;
2799        p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2800        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2801}
2802
2803static void
2804qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2805                                  struct qed_sp_vport_update_params *p_data,
2806                                  struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2807{
2808        struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2809        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2810
2811        p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2812            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2813        if (!p_mcast_tlv)
2814                return;
2815
2816        p_data->update_approx_mcast_flg = 1;
2817        memcpy(p_data->bins, p_mcast_tlv->bins,
2818               sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2819        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2820}
2821
2822static void
2823qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2824                              struct qed_sp_vport_update_params *p_data,
2825                              struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2826{
2827        struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2828        struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2829        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2830
2831        p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2832            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2833        if (!p_accept_tlv)
2834                return;
2835
2836        p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2837        p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2838        p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2839        p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2840        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2841}
2842
2843static void
2844qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2845                                  struct qed_sp_vport_update_params *p_data,
2846                                  struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2847{
2848        struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2849        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2850
2851        p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2852                            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2853                                                     tlv);
2854        if (!p_accept_any_vlan)
2855                return;
2856
2857        p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2858        p_data->update_accept_any_vlan_flg =
2859                    p_accept_any_vlan->update_accept_any_vlan_flg;
2860        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2861}
2862
2863static void
2864qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2865                            struct qed_vf_info *vf,
2866                            struct qed_sp_vport_update_params *p_data,
2867                            struct qed_rss_params *p_rss,
2868                            struct qed_iov_vf_mbx *p_mbx,
2869                            u16 *tlvs_mask, u16 *tlvs_accepted)
2870{
2871        struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2872        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2873        bool b_reject = false;
2874        u16 table_size;
2875        u16 i, q_idx;
2876
2877        p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2878                    qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2879        if (!p_rss_tlv) {
2880                p_data->rss_params = NULL;
2881                return;
2882        }
2883
2884        memset(p_rss, 0, sizeof(struct qed_rss_params));
2885
2886        p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2887                                      VFPF_UPDATE_RSS_CONFIG_FLAG);
2888        p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2889                                            VFPF_UPDATE_RSS_CAPS_FLAG);
2890        p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2891                                         VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2892        p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2893                                   VFPF_UPDATE_RSS_KEY_FLAG);
2894
2895        p_rss->rss_enable = p_rss_tlv->rss_enable;
2896        p_rss->rss_eng_id = vf->relative_vf_id + 1;
2897        p_rss->rss_caps = p_rss_tlv->rss_caps;
2898        p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2899        memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2900
2901        table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2902                           (1 << p_rss_tlv->rss_table_size_log));
2903
2904        for (i = 0; i < table_size; i++) {
2905                struct qed_queue_cid *p_cid;
2906
2907                q_idx = p_rss_tlv->rss_ind_table[i];
2908                if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2909                                          QED_IOV_VALIDATE_Q_ENABLE)) {
2910                        DP_VERBOSE(p_hwfn,
2911                                   QED_MSG_IOV,
2912                                   "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2913                                   vf->relative_vf_id, q_idx);
2914                        b_reject = true;
2915                        goto out;
2916                }
2917
2918                p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2919                p_rss->rss_ind_table[i] = p_cid;
2920        }
2921
2922        p_data->rss_params = p_rss;
2923out:
2924        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2925        if (!b_reject)
2926                *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
2927}
2928
2929static void
2930qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2931                                struct qed_vf_info *vf,
2932                                struct qed_sp_vport_update_params *p_data,
2933                                struct qed_sge_tpa_params *p_sge_tpa,
2934                                struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2935{
2936        struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2937        u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2938
2939        p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2940            qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2941
2942        if (!p_sge_tpa_tlv) {
2943                p_data->sge_tpa_params = NULL;
2944                return;
2945        }
2946
2947        memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2948
2949        p_sge_tpa->update_tpa_en_flg =
2950            !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2951        p_sge_tpa->update_tpa_param_flg =
2952            !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2953                VFPF_UPDATE_TPA_PARAM_FLAG);
2954
2955        p_sge_tpa->tpa_ipv4_en_flg =
2956            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2957        p_sge_tpa->tpa_ipv6_en_flg =
2958            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2959        p_sge_tpa->tpa_pkt_split_flg =
2960            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2961        p_sge_tpa->tpa_hdr_data_split_flg =
2962            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2963        p_sge_tpa->tpa_gro_consistent_flg =
2964            !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2965
2966        p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2967        p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2968        p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2969        p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2970        p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2971
2972        p_data->sge_tpa_params = p_sge_tpa;
2973
2974        *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2975}
2976
2977static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2978                                    u8 vfid,
2979                                    struct qed_sp_vport_update_params *params,
2980                                    u16 *tlvs)
2981{
2982        u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2983        struct qed_filter_accept_flags *flags = &params->accept_flags;
2984        struct qed_public_vf_info *vf_info;
2985
2986        /* Untrusted VFs can't even be trusted to know that fact.
2987         * Simply indicate everything is configured fine, and trace
2988         * configuration 'behind their back'.
2989         */
2990        if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
2991                return 0;
2992
2993        vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
2994
2995        if (flags->update_rx_mode_config) {
2996                vf_info->rx_accept_mode = flags->rx_accept_filter;
2997                if (!vf_info->is_trusted_configured)
2998                        flags->rx_accept_filter &= ~mask;
2999        }
3000
3001        if (flags->update_tx_mode_config) {
3002                vf_info->tx_accept_mode = flags->tx_accept_filter;
3003                if (!vf_info->is_trusted_configured)
3004                        flags->tx_accept_filter &= ~mask;
3005        }
3006
3007        return 0;
3008}
3009
3010static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3011                                        struct qed_ptt *p_ptt,
3012                                        struct qed_vf_info *vf)
3013{
3014        struct qed_rss_params *p_rss_params = NULL;
3015        struct qed_sp_vport_update_params params;
3016        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3017        struct qed_sge_tpa_params sge_tpa_params;
3018        u16 tlvs_mask = 0, tlvs_accepted = 0;
3019        u8 status = PFVF_STATUS_SUCCESS;
3020        u16 length;
3021        int rc;
3022
3023        /* Valiate PF can send such a request */
3024        if (!vf->vport_instance) {
3025                DP_VERBOSE(p_hwfn,
3026                           QED_MSG_IOV,
3027                           "No VPORT instance available for VF[%d], failing vport update\n",
3028                           vf->abs_vf_id);
3029                status = PFVF_STATUS_FAILURE;
3030                goto out;
3031        }
3032        p_rss_params = vzalloc(sizeof(*p_rss_params));
3033        if (p_rss_params == NULL) {
3034                status = PFVF_STATUS_FAILURE;
3035                goto out;
3036        }
3037
3038        memset(&params, 0, sizeof(params));
3039        params.opaque_fid = vf->opaque_fid;
3040        params.vport_id = vf->vport_id;
3041        params.rss_params = NULL;
3042
3043        /* Search for extended tlvs list and update values
3044         * from VF in struct qed_sp_vport_update_params.
3045         */
3046        qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
3047        qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3048        qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
3049        qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3050        qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
3051        qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3052        qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3053                                        &sge_tpa_params, mbx, &tlvs_mask);
3054
3055        tlvs_accepted = tlvs_mask;
3056
3057        /* Some of the extended TLVs need to be validated first; In that case,
3058         * they can update the mask without updating the accepted [so that
3059         * PF could communicate to VF it has rejected request].
3060         */
3061        qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3062                                    mbx, &tlvs_mask, &tlvs_accepted);
3063
3064        if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3065                                     &params, &tlvs_accepted)) {
3066                tlvs_accepted = 0;
3067                status = PFVF_STATUS_NOT_SUPPORTED;
3068                goto out;
3069        }
3070
3071        if (!tlvs_accepted) {
3072                if (tlvs_mask)
3073                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3074                                   "Upper-layer prevents VF vport configuration\n");
3075                else
3076                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3077                                   "No feature tlvs found for vport update\n");
3078                status = PFVF_STATUS_NOT_SUPPORTED;
3079                goto out;
3080        }
3081
3082        rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3083
3084        if (rc)
3085                status = PFVF_STATUS_FAILURE;
3086
3087out:
3088        vfree(p_rss_params);
3089        length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
3090                                                  tlvs_mask, tlvs_accepted);
3091        qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3092}
3093
3094static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3095                                         struct qed_vf_info *p_vf,
3096                                         struct qed_filter_ucast *p_params)
3097{
3098        int i;
3099
3100        /* First remove entries and then add new ones */
3101        if (p_params->opcode == QED_FILTER_REMOVE) {
3102                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3103                        if (p_vf->shadow_config.vlans[i].used &&
3104                            p_vf->shadow_config.vlans[i].vid ==
3105                            p_params->vlan) {
3106                                p_vf->shadow_config.vlans[i].used = false;
3107                                break;
3108                        }
3109                if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3110                        DP_VERBOSE(p_hwfn,
3111                                   QED_MSG_IOV,
3112                                   "VF [%d] - Tries to remove a non-existing vlan\n",
3113                                   p_vf->relative_vf_id);
3114                        return -EINVAL;
3115                }
3116        } else if (p_params->opcode == QED_FILTER_REPLACE ||
3117                   p_params->opcode == QED_FILTER_FLUSH) {
3118                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3119                        p_vf->shadow_config.vlans[i].used = false;
3120        }
3121
3122        /* In forced mode, we're willing to remove entries - but we don't add
3123         * new ones.
3124         */
3125        if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
3126                return 0;
3127
3128        if (p_params->opcode == QED_FILTER_ADD ||
3129            p_params->opcode == QED_FILTER_REPLACE) {
3130                for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3131                        if (p_vf->shadow_config.vlans[i].used)
3132                                continue;
3133
3134                        p_vf->shadow_config.vlans[i].used = true;
3135                        p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3136                        break;
3137                }
3138
3139                if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3140                        DP_VERBOSE(p_hwfn,
3141                                   QED_MSG_IOV,
3142                                   "VF [%d] - Tries to configure more than %d vlan filters\n",
3143                                   p_vf->relative_vf_id,
3144                                   QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3145                        return -EINVAL;
3146                }
3147        }
3148
3149        return 0;
3150}
3151
3152static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3153                                        struct qed_vf_info *p_vf,
3154                                        struct qed_filter_ucast *p_params)
3155{
3156        int i;
3157
3158        /* If we're in forced-mode, we don't allow any change */
3159        if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
3160                return 0;
3161
3162        /* Don't keep track of shadow copy since we don't intend to restore. */
3163        if (p_vf->p_vf_info.is_trusted_configured)
3164                return 0;
3165
3166        /* First remove entries and then add new ones */
3167        if (p_params->opcode == QED_FILTER_REMOVE) {
3168                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3169                        if (ether_addr_equal(p_vf->shadow_config.macs[i],
3170                                             p_params->mac)) {
3171                                eth_zero_addr(p_vf->shadow_config.macs[i]);
3172                                break;
3173                        }
3174                }
3175
3176                if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3177                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3178                                   "MAC isn't configured\n");
3179                        return -EINVAL;
3180                }
3181        } else if (p_params->opcode == QED_FILTER_REPLACE ||
3182                   p_params->opcode == QED_FILTER_FLUSH) {
3183                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
3184                        eth_zero_addr(p_vf->shadow_config.macs[i]);
3185        }
3186
3187        /* List the new MAC address */
3188        if (p_params->opcode != QED_FILTER_ADD &&
3189            p_params->opcode != QED_FILTER_REPLACE)
3190                return 0;
3191
3192        for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3193                if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3194                        ether_addr_copy(p_vf->shadow_config.macs[i],
3195                                        p_params->mac);
3196                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3197                                   "Added MAC at %d entry in shadow\n", i);
3198                        break;
3199                }
3200        }
3201
3202        if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3203                DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3204                return -EINVAL;
3205        }
3206
3207        return 0;
3208}
3209
3210static int
3211qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3212                                 struct qed_vf_info *p_vf,
3213                                 struct qed_filter_ucast *p_params)
3214{
3215        int rc = 0;
3216
3217        if (p_params->type == QED_FILTER_MAC) {
3218                rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3219                if (rc)
3220                        return rc;
3221        }
3222
3223        if (p_params->type == QED_FILTER_VLAN)
3224                rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3225
3226        return rc;
3227}
3228
3229static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3230                             int vfid, struct qed_filter_ucast *params)
3231{
3232        struct qed_public_vf_info *vf;
3233
3234        vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3235        if (!vf)
3236                return -EINVAL;
3237
3238        /* No real decision to make; Store the configured MAC */
3239        if (params->type == QED_FILTER_MAC ||
3240            params->type == QED_FILTER_MAC_VLAN) {
3241                ether_addr_copy(vf->mac, params->mac);
3242
3243                if (vf->is_trusted_configured) {
3244                        qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3245
3246                        /* Update and post bulleitin again */
3247                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3248                }
3249        }
3250
3251        return 0;
3252}
3253
3254static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3255                                        struct qed_ptt *p_ptt,
3256                                        struct qed_vf_info *vf)
3257{
3258        struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
3259        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3260        struct vfpf_ucast_filter_tlv *req;
3261        u8 status = PFVF_STATUS_SUCCESS;
3262        struct qed_filter_ucast params;
3263        int rc;
3264
3265        /* Prepare the unicast filter params */
3266        memset(&params, 0, sizeof(struct qed_filter_ucast));
3267        req = &mbx->req_virt->ucast_filter;
3268        params.opcode = (enum qed_filter_opcode)req->opcode;
3269        params.type = (enum qed_filter_ucast_type)req->type;
3270
3271        params.is_rx_filter = 1;
3272        params.is_tx_filter = 1;
3273        params.vport_to_remove_from = vf->vport_id;
3274        params.vport_to_add_to = vf->vport_id;
3275        memcpy(params.mac, req->mac, ETH_ALEN);
3276        params.vlan = req->vlan;
3277
3278        DP_VERBOSE(p_hwfn,
3279                   QED_MSG_IOV,
3280                   "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %pM, vlan 0x%04x\n",
3281                   vf->abs_vf_id, params.opcode, params.type,
3282                   params.is_rx_filter ? "RX" : "",
3283                   params.is_tx_filter ? "TX" : "",
3284                   params.vport_to_add_to,
3285                   params.mac, params.vlan);
3286
3287        if (!vf->vport_instance) {
3288                DP_VERBOSE(p_hwfn,
3289                           QED_MSG_IOV,
3290                           "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3291                           vf->abs_vf_id);
3292                status = PFVF_STATUS_FAILURE;
3293                goto out;
3294        }
3295
3296        /* Update shadow copy of the VF configuration */
3297        if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3298                status = PFVF_STATUS_FAILURE;
3299                goto out;
3300        }
3301
3302        /* Determine if the unicast filtering is acceptible by PF */
3303        if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
3304            (params.type == QED_FILTER_VLAN ||
3305             params.type == QED_FILTER_MAC_VLAN)) {
3306                /* Once VLAN is forced or PVID is set, do not allow
3307                 * to add/replace any further VLANs.
3308                 */
3309                if (params.opcode == QED_FILTER_ADD ||
3310                    params.opcode == QED_FILTER_REPLACE)
3311                        status = PFVF_STATUS_FORCED;
3312                goto out;
3313        }
3314
3315        if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
3316            (params.type == QED_FILTER_MAC ||
3317             params.type == QED_FILTER_MAC_VLAN)) {
3318                if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3319                    (params.opcode != QED_FILTER_ADD &&
3320                     params.opcode != QED_FILTER_REPLACE))
3321                        status = PFVF_STATUS_FORCED;
3322                goto out;
3323        }
3324
3325        rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3326        if (rc) {
3327                status = PFVF_STATUS_FAILURE;
3328                goto out;
3329        }
3330
3331        rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3332                                     QED_SPQ_MODE_CB, NULL);
3333        if (rc)
3334                status = PFVF_STATUS_FAILURE;
3335
3336out:
3337        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3338                             sizeof(struct pfvf_def_resp_tlv), status);
3339}
3340
3341static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3342                                       struct qed_ptt *p_ptt,
3343                                       struct qed_vf_info *vf)
3344{
3345        int i;
3346
3347        /* Reset the SBs */
3348        for (i = 0; i < vf->num_sbs; i++)
3349                qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3350                                                vf->igu_sbs[i],
3351                                                vf->opaque_fid, false);
3352
3353        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3354                             sizeof(struct pfvf_def_resp_tlv),
3355                             PFVF_STATUS_SUCCESS);
3356}
3357
3358static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3359                                 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3360{
3361        u16 length = sizeof(struct pfvf_def_resp_tlv);
3362        u8 status = PFVF_STATUS_SUCCESS;
3363
3364        /* Disable Interrupts for VF */
3365        qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3366
3367        /* Reset Permission table */
3368        qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3369
3370        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3371                             length, status);
3372}
3373
3374static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3375                                   struct qed_ptt *p_ptt,
3376                                   struct qed_vf_info *p_vf)
3377{
3378        u16 length = sizeof(struct pfvf_def_resp_tlv);
3379        u8 status = PFVF_STATUS_SUCCESS;
3380        int rc = 0;
3381
3382        qed_iov_vf_cleanup(p_hwfn, p_vf);
3383
3384        if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3385                /* Stopping the VF */
3386                rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3387                                    p_vf->opaque_fid);
3388
3389                if (rc) {
3390                        DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3391                               rc);
3392                        status = PFVF_STATUS_FAILURE;
3393                }
3394
3395                p_vf->state = VF_STOPPED;
3396        }
3397
3398        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
3399                             length, status);
3400}
3401
3402static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3403                                       struct qed_ptt *p_ptt,
3404                                       struct qed_vf_info *p_vf)
3405{
3406        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3407        struct pfvf_read_coal_resp_tlv *p_resp;
3408        struct vfpf_read_coal_req_tlv *req;
3409        u8 status = PFVF_STATUS_FAILURE;
3410        struct qed_vf_queue *p_queue;
3411        struct qed_queue_cid *p_cid;
3412        u16 coal = 0, qid, i;
3413        bool b_is_rx;
3414        int rc = 0;
3415
3416        mbx->offset = (u8 *)mbx->reply_virt;
3417        req = &mbx->req_virt->read_coal_req;
3418
3419        qid = req->qid;
3420        b_is_rx = req->is_rx ? true : false;
3421
3422        if (b_is_rx) {
3423                if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3424                                          QED_IOV_VALIDATE_Q_ENABLE)) {
3425                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3426                                   "VF[%d]: Invalid Rx queue_id = %d\n",
3427                                   p_vf->abs_vf_id, qid);
3428                        goto send_resp;
3429                }
3430
3431                p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3432                rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3433                if (rc)
3434                        goto send_resp;
3435        } else {
3436                if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3437                                          QED_IOV_VALIDATE_Q_ENABLE)) {
3438                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3439                                   "VF[%d]: Invalid Tx queue_id = %d\n",
3440                                   p_vf->abs_vf_id, qid);
3441                        goto send_resp;
3442                }
3443                for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3444                        p_queue = &p_vf->vf_queues[qid];
3445                        if ((!p_queue->cids[i].p_cid) ||
3446                            (!p_queue->cids[i].b_is_tx))
3447                                continue;
3448
3449                        p_cid = p_queue->cids[i].p_cid;
3450
3451                        rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3452                        if (rc)
3453                                goto send_resp;
3454                        break;
3455                }
3456        }
3457
3458        status = PFVF_STATUS_SUCCESS;
3459
3460send_resp:
3461        p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3462                             sizeof(*p_resp));
3463        p_resp->coal = coal;
3464
3465        qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3466                    sizeof(struct channel_list_end_tlv));
3467
3468        qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3469}
3470
3471static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3472                                       struct qed_ptt *p_ptt,
3473                                       struct qed_vf_info *vf)
3474{
3475        struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3476        struct vfpf_update_coalesce *req;
3477        u8 status = PFVF_STATUS_FAILURE;
3478        struct qed_queue_cid *p_cid;
3479        u16 rx_coal, tx_coal;
3480        int rc = 0, i;
3481        u16 qid;
3482
3483        req = &mbx->req_virt->update_coalesce;
3484
3485        rx_coal = req->rx_coal;
3486        tx_coal = req->tx_coal;
3487        qid = req->qid;
3488
3489        if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3490                                  QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3491                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3492                           "VF[%d]: Invalid Rx queue_id = %d\n",
3493                           vf->abs_vf_id, qid);
3494                goto out;
3495        }
3496
3497        if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3498                                  QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3499                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3500                           "VF[%d]: Invalid Tx queue_id = %d\n",
3501                           vf->abs_vf_id, qid);
3502                goto out;
3503        }
3504
3505        DP_VERBOSE(p_hwfn,
3506                   QED_MSG_IOV,
3507                   "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3508                   vf->abs_vf_id, rx_coal, tx_coal, qid);
3509
3510        if (rx_coal) {
3511                p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3512
3513                rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3514                if (rc) {
3515                        DP_VERBOSE(p_hwfn,
3516                                   QED_MSG_IOV,
3517                                   "VF[%d]: Unable to set rx queue = %d coalesce\n",
3518                                   vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3519                        goto out;
3520                }
3521                vf->rx_coal = rx_coal;
3522        }
3523
3524        if (tx_coal) {
3525                struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3526
3527                for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3528                        if (!p_queue->cids[i].p_cid)
3529                                continue;
3530
3531                        if (!p_queue->cids[i].b_is_tx)
3532                                continue;
3533
3534                        rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3535                                                  p_queue->cids[i].p_cid);
3536
3537                        if (rc) {
3538                                DP_VERBOSE(p_hwfn,
3539                                           QED_MSG_IOV,
3540                                           "VF[%d]: Unable to set tx queue coalesce\n",
3541                                           vf->abs_vf_id);
3542                                goto out;
3543                        }
3544                }
3545                vf->tx_coal = tx_coal;
3546        }
3547
3548        status = PFVF_STATUS_SUCCESS;
3549out:
3550        qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3551                             sizeof(struct pfvf_def_resp_tlv), status);
3552}
3553static int
3554qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3555                         struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3556{
3557        int cnt;
3558        u32 val;
3559
3560        qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3561
3562        for (cnt = 0; cnt < 50; cnt++) {
3563                val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3564                if (!val)
3565                        break;
3566                msleep(20);
3567        }
3568        qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3569
3570        if (cnt == 50) {
3571                DP_ERR(p_hwfn,
3572                       "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3573                       p_vf->abs_vf_id, val);
3574                return -EBUSY;
3575        }
3576
3577        return 0;
3578}
3579
3580static int
3581qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3582                        struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3583{
3584        u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
3585        int i, cnt;
3586
3587        /* Read initial consumers & producers */
3588        for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
3589                u32 prod;
3590
3591                cons[i] = qed_rd(p_hwfn, p_ptt,
3592                                 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3593                                 i * 0x40);
3594                prod = qed_rd(p_hwfn, p_ptt,
3595                              PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3596                              i * 0x40);
3597                distance[i] = prod - cons[i];
3598        }
3599
3600        /* Wait for consumers to pass the producers */
3601        i = 0;
3602        for (cnt = 0; cnt < 50; cnt++) {
3603                for (; i < MAX_NUM_VOQS_E4; i++) {
3604                        u32 tmp;
3605
3606                        tmp = qed_rd(p_hwfn, p_ptt,
3607                                     PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3608                                     i * 0x40);
3609                        if (distance[i] > tmp - cons[i])
3610                                break;
3611                }
3612
3613                if (i == MAX_NUM_VOQS_E4)
3614                        break;
3615
3616                msleep(20);
3617        }
3618
3619        if (cnt == 50) {
3620                DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3621                       p_vf->abs_vf_id, i);
3622                return -EBUSY;
3623        }
3624
3625        return 0;
3626}
3627
3628static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3629                               struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3630{
3631        int rc;
3632
3633        rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3634        if (rc)
3635                return rc;
3636
3637        rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3638        if (rc)
3639                return rc;
3640
3641        return 0;
3642}
3643
3644static int
3645qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3646                               struct qed_ptt *p_ptt,
3647                               u16 rel_vf_id, u32 *ack_vfs)
3648{
3649        struct qed_vf_info *p_vf;
3650        int rc = 0;
3651
3652        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3653        if (!p_vf)
3654                return 0;
3655
3656        if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3657            (1ULL << (rel_vf_id % 64))) {
3658                u16 vfid = p_vf->abs_vf_id;
3659
3660                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3661                           "VF[%d] - Handling FLR\n", vfid);
3662
3663                qed_iov_vf_cleanup(p_hwfn, p_vf);
3664
3665                /* If VF isn't active, no need for anything but SW */
3666                if (!p_vf->b_init)
3667                        goto cleanup;
3668
3669                rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3670                if (rc)
3671                        goto cleanup;
3672
3673                rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3674                if (rc) {
3675                        DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3676                        return rc;
3677                }
3678
3679                /* Workaround to make VF-PF channel ready, as FW
3680                 * doesn't do that as a part of FLR.
3681                 */
3682                REG_WR(p_hwfn,
3683                       GTT_BAR0_MAP_REG_USDM_RAM +
3684                       USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3685
3686                /* VF_STOPPED has to be set only after final cleanup
3687                 * but prior to re-enabling the VF.
3688                 */
3689                p_vf->state = VF_STOPPED;
3690
3691                rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3692                if (rc) {
3693                        DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3694                               vfid);
3695                        return rc;
3696                }
3697cleanup:
3698                /* Mark VF for ack and clean pending state */
3699                if (p_vf->state == VF_RESET)
3700                        p_vf->state = VF_STOPPED;
3701                ack_vfs[vfid / 32] |= BIT((vfid % 32));
3702                p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3703                    ~(1ULL << (rel_vf_id % 64));
3704                p_vf->vf_mbx.b_pending_msg = false;
3705        }
3706
3707        return rc;
3708}
3709
3710static int
3711qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
3712{
3713        u32 ack_vfs[VF_MAX_STATIC / 32];
3714        int rc = 0;
3715        u16 i;
3716
3717        memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3718
3719        /* Since BRB <-> PRS interface can't be tested as part of the flr
3720         * polling due to HW limitations, simply sleep a bit. And since
3721         * there's no need to wait per-vf, do it before looping.
3722         */
3723        msleep(100);
3724
3725        for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3726                qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3727
3728        rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3729        return rc;
3730}
3731
3732bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
3733{
3734        bool found = false;
3735        u16 i;
3736
3737        DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3738        for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3739                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3740                           "[%08x,...,%08x]: %08x\n",
3741                           i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3742
3743        if (!p_hwfn->cdev->p_iov_info) {
3744                DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
3745                return false;
3746        }
3747
3748        /* Mark VFs */
3749        for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3750                struct qed_vf_info *p_vf;
3751                u8 vfid;
3752
3753                p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3754                if (!p_vf)
3755                        continue;
3756
3757                vfid = p_vf->abs_vf_id;
3758                if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
3759                        u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3760                        u16 rel_vf_id = p_vf->relative_vf_id;
3761
3762                        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3763                                   "VF[%d] [rel %d] got FLR-ed\n",
3764                                   vfid, rel_vf_id);
3765
3766                        p_vf->state = VF_RESET;
3767
3768                        /* No need to lock here, since pending_flr should
3769                         * only change here and before ACKing MFw. Since
3770                         * MFW will not trigger an additional attention for
3771                         * VF flr until ACKs, we're safe.
3772                         */
3773                        p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
3774                        found = true;
3775                }
3776        }
3777
3778        return found;
3779}
3780
3781static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3782                             u16 vfid,
3783                             struct qed_mcp_link_params *p_params,
3784                             struct qed_mcp_link_state *p_link,
3785                             struct qed_mcp_link_capabilities *p_caps)
3786{
3787        struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3788                                                       vfid,
3789                                                       false);
3790        struct qed_bulletin_content *p_bulletin;
3791
3792        if (!p_vf)
3793                return;
3794
3795        p_bulletin = p_vf->bulletin.p_virt;
3796
3797        if (p_params)
3798                __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3799        if (p_link)
3800                __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3801        if (p_caps)
3802                __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3803}
3804
3805static int
3806qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3807                                  struct qed_ptt *p_ptt,
3808                                  struct qed_vf_info *p_vf)
3809{
3810        struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3811        struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3812        struct vfpf_bulletin_update_mac_tlv *p_req;
3813        u8 status = PFVF_STATUS_SUCCESS;
3814        int rc = 0;
3815
3816        if (!p_vf->p_vf_info.is_trusted_configured) {
3817                DP_VERBOSE(p_hwfn,
3818                           QED_MSG_IOV,
3819                           "Blocking bulletin update request from untrusted VF[%d]\n",
3820                           p_vf->abs_vf_id);
3821                status = PFVF_STATUS_NOT_SUPPORTED;
3822                rc = -EINVAL;
3823                goto send_status;
3824        }
3825
3826        p_req = &mbx->req_virt->bulletin_update_mac;
3827        ether_addr_copy(p_bulletin->mac, p_req->mac);
3828        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3829                   "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3830                   p_vf->abs_vf_id, p_req->mac);
3831
3832send_status:
3833        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3834                             CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3835                             sizeof(struct pfvf_def_resp_tlv), status);
3836        return rc;
3837}
3838
3839static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3840                                    struct qed_ptt *p_ptt, int vfid)
3841{
3842        struct qed_iov_vf_mbx *mbx;
3843        struct qed_vf_info *p_vf;
3844
3845        p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3846        if (!p_vf)
3847                return;
3848
3849        mbx = &p_vf->vf_mbx;
3850
3851        /* qed_iov_process_mbx_request */
3852        if (!mbx->b_pending_msg) {
3853                DP_NOTICE(p_hwfn,
3854                          "VF[%02x]: Trying to process mailbox message when none is pending\n",
3855                          p_vf->abs_vf_id);
3856                return;
3857        }
3858        mbx->b_pending_msg = false;
3859
3860        mbx->first_tlv = mbx->req_virt->first_tlv;
3861
3862        DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3863                   "VF[%02x]: Processing mailbox message [type %04x]\n",
3864                   p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3865
3866        /* check if tlv type is known */
3867        if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3868            !p_vf->b_malicious) {
3869                switch (mbx->first_tlv.tl.type) {
3870                case CHANNEL_TLV_ACQUIRE:
3871                        qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3872                        break;
3873                case CHANNEL_TLV_VPORT_START:
3874                        qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3875                        break;
3876                case CHANNEL_TLV_VPORT_TEARDOWN:
3877                        qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3878                        break;
3879                case CHANNEL_TLV_START_RXQ:
3880                        qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3881                        break;
3882                case CHANNEL_TLV_START_TXQ:
3883                        qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3884                        break;
3885                case CHANNEL_TLV_STOP_RXQS:
3886                        qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3887                        break;
3888                case CHANNEL_TLV_STOP_TXQS:
3889                        qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3890                        break;
3891                case CHANNEL_TLV_UPDATE_RXQ:
3892                        qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3893                        break;
3894                case CHANNEL_TLV_VPORT_UPDATE:
3895                        qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3896                        break;
3897                case CHANNEL_TLV_UCAST_FILTER:
3898                        qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3899                        break;
3900                case CHANNEL_TLV_CLOSE:
3901                        qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3902                        break;
3903                case CHANNEL_TLV_INT_CLEANUP:
3904                        qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3905                        break;
3906                case CHANNEL_TLV_RELEASE:
3907                        qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3908                        break;
3909                case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3910                        qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3911                        break;
3912                case CHANNEL_TLV_COALESCE_UPDATE:
3913                        qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3914                        break;
3915                case CHANNEL_TLV_COALESCE_READ:
3916                        qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3917                        break;
3918                case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3919                        qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3920                        break;
3921                }
3922        } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3923                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3924                           "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3925                           p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3926
3927                qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3928                                     mbx->first_tlv.tl.type,
3929                                     sizeof(struct pfvf_def_resp_tlv),
3930                                     PFVF_STATUS_MALICIOUS);
3931        } else {
3932                /* unknown TLV - this may belong to a VF driver from the future
3933                 * - a version written after this PF driver was written, which
3934                 * supports features unknown as of yet. Too bad since we don't
3935                 * support them. Or this may be because someone wrote a crappy
3936                 * VF driver and is sending garbage over the channel.
3937                 */
3938                DP_NOTICE(p_hwfn,
3939                          "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3940                          p_vf->abs_vf_id,
3941                          mbx->first_tlv.tl.type,
3942                          mbx->first_tlv.tl.length,
3943                          mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3944
3945                /* Try replying in case reply address matches the acquisition's
3946                 * posted address.
3947                 */
3948                if (p_vf->acquire.first_tlv.reply_address &&
3949                    (mbx->first_tlv.reply_address ==
3950                     p_vf->acquire.first_tlv.reply_address)) {
3951                        qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3952                                             mbx->first_tlv.tl.type,
3953                                             sizeof(struct pfvf_def_resp_tlv),
3954                                             PFVF_STATUS_NOT_SUPPORTED);
3955                } else {
3956                        DP_VERBOSE(p_hwfn,
3957                                   QED_MSG_IOV,
3958                                   "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3959                                   p_vf->abs_vf_id);
3960                }
3961        }
3962}
3963
3964static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
3965{
3966        int i;
3967
3968        memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3969
3970        qed_for_each_vf(p_hwfn, i) {
3971                struct qed_vf_info *p_vf;
3972
3973                p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3974                if (p_vf->vf_mbx.b_pending_msg)
3975                        events[i / 64] |= 1ULL << (i % 64);
3976        }
3977}
3978
3979static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3980                                                       u16 abs_vfid)
3981{
3982        u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3983
3984        if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
3985                DP_VERBOSE(p_hwfn,
3986                           QED_MSG_IOV,
3987                           "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
3988                           abs_vfid);
3989                return NULL;
3990        }
3991
3992        return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
3993}
3994
3995static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3996                              u16 abs_vfid, struct regpair *vf_msg)
3997{
3998        struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
3999                           abs_vfid);
4000
4001        if (!p_vf)
4002                return 0;
4003
4004        /* List the physical address of the request so that handler
4005         * could later on copy the message from it.
4006         */
4007        p_vf->vf_mbx.pending_req = HILO_64(vf_msg->hi, vf_msg->lo);
4008
4009        /* Mark the event and schedule the workqueue */
4010        p_vf->vf_mbx.b_pending_msg = true;
4011        qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4012
4013        return 0;
4014}
4015
4016static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4017                                     struct malicious_vf_eqe_data *p_data)
4018{
4019        struct qed_vf_info *p_vf;
4020
4021        p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4022
4023        if (!p_vf)
4024                return;
4025
4026        if (!p_vf->b_malicious) {
4027                DP_NOTICE(p_hwfn,
4028                          "VF [%d] - Malicious behavior [%02x]\n",
4029                          p_vf->abs_vf_id, p_data->err_id);
4030
4031                p_vf->b_malicious = true;
4032        } else {
4033                DP_INFO(p_hwfn,
4034                        "VF [%d] - Malicious behavior [%02x]\n",
4035                        p_vf->abs_vf_id, p_data->err_id);
4036        }
4037}
4038
4039static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo,
4040                               union event_ring_data *data, u8 fw_return_code)
4041{
4042        switch (opcode) {
4043        case COMMON_EVENT_VF_PF_CHANNEL:
4044                return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4045                                          &data->vf_pf_channel.msg_addr);
4046        case COMMON_EVENT_MALICIOUS_VF:
4047                qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4048                return 0;
4049        default:
4050                DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4051                        opcode);
4052                return -EINVAL;
4053        }
4054}
4055
4056u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4057{
4058        struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4059        u16 i;
4060
4061        if (!p_iov)
4062                goto out;
4063
4064        for (i = rel_vf_id; i < p_iov->total_vfs; i++)
4065                if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
4066                        return i;
4067
4068out:
4069        return MAX_NUM_VFS;
4070}
4071
4072static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4073                               int vfid)
4074{
4075        struct qed_dmae_params params;
4076        struct qed_vf_info *vf_info;
4077
4078        vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4079        if (!vf_info)
4080                return -EINVAL;
4081
4082        memset(&params, 0, sizeof(params));
4083        SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1);
4084        SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1);
4085        params.src_vfid = vf_info->abs_vf_id;
4086
4087        if (qed_dmae_host2host(p_hwfn, ptt,
4088                               vf_info->vf_mbx.pending_req,
4089                               vf_info->vf_mbx.req_phys,
4090                               sizeof(union vfpf_tlvs) / 4, &params)) {
4091                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4092                           "Failed to copy message from VF 0x%02x\n", vfid);
4093
4094                return -EIO;
4095        }
4096
4097        return 0;
4098}
4099
4100static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4101                                            u8 *mac, int vfid)
4102{
4103        struct qed_vf_info *vf_info;
4104        u64 feature;
4105
4106        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4107        if (!vf_info) {
4108                DP_NOTICE(p_hwfn->cdev,
4109                          "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4110                return;
4111        }
4112
4113        if (vf_info->b_malicious) {
4114                DP_NOTICE(p_hwfn->cdev,
4115                          "Can't set forced MAC to malicious VF [%d]\n", vfid);
4116                return;
4117        }
4118
4119        if (vf_info->p_vf_info.is_trusted_configured) {
4120                feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4121                /* Trust mode will disable Forced MAC */
4122                vf_info->bulletin.p_virt->valid_bitmap &=
4123                        ~BIT(MAC_ADDR_FORCED);
4124        } else {
4125                feature = BIT(MAC_ADDR_FORCED);
4126                /* Forced MAC will disable MAC_ADDR */
4127                vf_info->bulletin.p_virt->valid_bitmap &=
4128                        ~BIT(VFPF_BULLETIN_MAC_ADDR);
4129        }
4130
4131        memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4132
4133        vf_info->bulletin.p_virt->valid_bitmap |= feature;
4134
4135        qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4136}
4137
4138static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4139{
4140        struct qed_vf_info *vf_info;
4141        u64 feature;
4142
4143        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4144        if (!vf_info) {
4145                DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4146                          vfid);
4147                return -EINVAL;
4148        }
4149
4150        if (vf_info->b_malicious) {
4151                DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4152                          vfid);
4153                return -EINVAL;
4154        }
4155
4156        if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4157                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4158                           "Can not set MAC, Forced MAC is configured\n");
4159                return -EINVAL;
4160        }
4161
4162        feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4163        ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4164
4165        vf_info->bulletin.p_virt->valid_bitmap |= feature;
4166
4167        if (vf_info->p_vf_info.is_trusted_configured)
4168                qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4169
4170        return 0;
4171}
4172
4173static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4174                                             u16 pvid, int vfid)
4175{
4176        struct qed_vf_info *vf_info;
4177        u64 feature;
4178
4179        vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4180        if (!vf_info) {
4181                DP_NOTICE(p_hwfn->cdev,
4182                          "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4183                return;
4184        }
4185
4186        if (vf_info->b_malicious) {
4187                DP_NOTICE(p_hwfn->cdev,
4188                          "Can't set forced vlan to malicious VF [%d]\n", vfid);
4189                return;
4190        }
4191
4192        feature = 1 << VLAN_ADDR_FORCED;
4193        vf_info->bulletin.p_virt->pvid = pvid;
4194        if (pvid)
4195                vf_info->bulletin.p_virt->valid_bitmap |= feature;
4196        else
4197                vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4198
4199        qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4200}
4201
4202void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4203                                    int vfid, u16 vxlan_port, u16 geneve_port)
4204{
4205        struct qed_vf_info *vf_info;
4206
4207        vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4208        if (!vf_info) {
4209                DP_NOTICE(p_hwfn->cdev,
4210                          "Can not set udp ports, invalid vfid [%d]\n", vfid);
4211                return;
4212        }
4213
4214        if (vf_info->b_malicious) {
4215                DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4216                           "Can not set udp ports to malicious VF [%d]\n",
4217                           vfid);
4218                return;
4219        }
4220
4221        vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4222        vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4223}
4224
4225static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4226{
4227        struct qed_vf_info *p_vf_info;
4228
4229        p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4230        if (!p_vf_info)
4231                return false;
4232
4233        return !!p_vf_info->vport_instance;
4234}
4235
4236static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
4237{
4238        struct qed_vf_info *p_vf_info;
4239
4240        p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4241        if (!p_vf_info)
4242                return true;
4243
4244        return p_vf_info->state == VF_STOPPED;
4245}
4246
4247static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4248{
4249        struct qed_vf_info *vf_info;
4250
4251        vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4252        if (!vf_info)
4253                return false;
4254
4255        return vf_info->spoof_chk;
4256}
4257
4258static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
4259{
4260        struct qed_vf_info *vf;
4261        int rc = -EINVAL;
4262
4263        if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4264                DP_NOTICE(p_hwfn,
4265                          "SR-IOV sanity check failed, can't set spoofchk\n");
4266                goto out;
4267        }
4268
4269        vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4270        if (!vf)
4271                goto out;
4272
4273        if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4274                /* After VF VPORT start PF will configure spoof check */
4275                vf->req_spoofchk_val = val;
4276                rc = 0;
4277                goto out;
4278        }
4279
4280        rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4281
4282out:
4283        return rc;
4284}
4285
4286static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4287{
4288        struct qed_vf_info *p_vf;
4289
4290        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4291        if (!p_vf || !p_vf->bulletin.p_virt)
4292                return NULL;
4293
4294        if (!(p_vf->bulletin.p_virt->valid_bitmap &
4295              BIT(VFPF_BULLETIN_MAC_ADDR)))
4296                return NULL;
4297
4298        return p_vf->bulletin.p_virt->mac;
4299}
4300
4301static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4302                                           u16 rel_vf_id)
4303{
4304        struct qed_vf_info *p_vf;
4305
4306        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4307        if (!p_vf || !p_vf->bulletin.p_virt)
4308                return NULL;
4309
4310        if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
4311                return NULL;
4312
4313        return p_vf->bulletin.p_virt->mac;
4314}
4315
4316static u16
4317qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4318{
4319        struct qed_vf_info *p_vf;
4320
4321        p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4322        if (!p_vf || !p_vf->bulletin.p_virt)
4323                return 0;
4324
4325        if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
4326                return 0;
4327
4328        return p_vf->bulletin.p_virt->pvid;
4329}
4330
4331static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4332                                     struct qed_ptt *p_ptt, int vfid, int val)
4333{
4334        struct qed_vf_info *vf;
4335        u8 abs_vp_id = 0;
4336        u16 rl_id;
4337        int rc;
4338
4339        vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4340        if (!vf)
4341                return -EINVAL;
4342
4343        rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4344        if (rc)
4345                return rc;
4346
4347        rl_id = abs_vp_id;      /* The "rl_id" is set as the "vport_id" */
4348        return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val);
4349}
4350
4351static int
4352qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
4353{
4354        struct qed_vf_info *vf;
4355        u8 vport_id;
4356        int i;
4357
4358        for_each_hwfn(cdev, i) {
4359                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4360
4361                if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4362                        DP_NOTICE(p_hwfn,
4363                                  "SR-IOV sanity check failed, can't set min rate\n");
4364                        return -EINVAL;
4365                }
4366        }
4367
4368        vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4369        vport_id = vf->vport_id;
4370
4371        return qed_configure_vport_wfq(cdev, vport_id, rate);
4372}
4373
4374static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4375{
4376        struct qed_wfq_data *vf_vp_wfq;
4377        struct qed_vf_info *vf_info;
4378
4379        vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4380        if (!vf_info)
4381                return 0;
4382
4383        vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4384
4385        if (vf_vp_wfq->configured)
4386                return vf_vp_wfq->min_speed;
4387        else
4388                return 0;
4389}
4390
4391/**
4392 * qed_schedule_iov - schedules IOV task for VF and PF
4393 * @hwfn: hardware function pointer
4394 * @flag: IOV flag for VF/PF
4395 */
4396void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4397{
4398        smp_mb__before_atomic();
4399        set_bit(flag, &hwfn->iov_task_flags);
4400        smp_mb__after_atomic();
4401        DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4402        queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4403}
4404
4405void qed_vf_start_iov_wq(struct qed_dev *cdev)
4406{
4407        int i;
4408
4409        for_each_hwfn(cdev, i)
4410            queue_delayed_work(cdev->hwfns[i].iov_wq,
4411                               &cdev->hwfns[i].iov_task, 0);
4412}
4413
4414int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4415{
4416        int i, j;
4417
4418        for_each_hwfn(cdev, i)
4419            if (cdev->hwfns[i].iov_wq)
4420                flush_workqueue(cdev->hwfns[i].iov_wq);
4421
4422        /* Mark VFs for disablement */
4423        qed_iov_set_vfs_to_disable(cdev, true);
4424
4425        if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4426                pci_disable_sriov(cdev->pdev);
4427
4428        if (cdev->recov_in_prog) {
4429                DP_VERBOSE(cdev,
4430                           QED_MSG_IOV,
4431                           "Skip SRIOV disable operations in the device since a recovery is in progress\n");
4432                goto out;
4433        }
4434
4435        for_each_hwfn(cdev, i) {
4436                struct qed_hwfn *hwfn = &cdev->hwfns[i];
4437                struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4438
4439                /* Failure to acquire the ptt in 100g creates an odd error
4440                 * where the first engine has already relased IOV.
4441                 */
4442                if (!ptt) {
4443                        DP_ERR(hwfn, "Failed to acquire ptt\n");
4444                        return -EBUSY;
4445                }
4446
4447                /* Clean WFQ db and configure equal weight for all vports */
4448                qed_clean_wfq_db(hwfn, ptt);
4449
4450                qed_for_each_vf(hwfn, j) {
4451                        int k;
4452
4453                        if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
4454                                continue;
4455
4456                        /* Wait until VF is disabled before releasing */
4457                        for (k = 0; k < 100; k++) {
4458                                if (!qed_iov_is_vf_stopped(hwfn, j))
4459                                        msleep(20);
4460                                else
4461                                        break;
4462                        }
4463
4464                        if (k < 100)
4465                                qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4466                                                          ptt, j);
4467                        else
4468                                DP_ERR(hwfn,
4469                                       "Timeout waiting for VF's FLR to end\n");
4470                }
4471
4472                qed_ptt_release(hwfn, ptt);
4473        }
4474out:
4475        qed_iov_set_vfs_to_disable(cdev, false);
4476
4477        return 0;
4478}
4479
4480static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4481                                        u16 vfid,
4482                                        struct qed_iov_vf_init_params *params)
4483{
4484        u16 base, i;
4485
4486        /* Since we have an equal resource distribution per-VF, and we assume
4487         * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4488         * sequentially from there.
4489         */
4490        base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4491
4492        params->rel_vf_id = vfid;
4493        for (i = 0; i < params->num_queues; i++) {
4494                params->req_rx_queue[i] = base + i;
4495                params->req_tx_queue[i] = base + i;
4496        }
4497}
4498
4499static int qed_sriov_enable(struct qed_dev *cdev, int num)
4500{
4501        struct qed_iov_vf_init_params params;
4502        struct qed_hwfn *hwfn;
4503        struct qed_ptt *ptt;
4504        int i, j, rc;
4505
4506        if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4507                DP_NOTICE(cdev, "Can start at most %d VFs\n",
4508                          RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4509                return -EINVAL;
4510        }
4511
4512        memset(&params, 0, sizeof(params));
4513
4514        /* Initialize HW for VF access */
4515        for_each_hwfn(cdev, j) {
4516                hwfn = &cdev->hwfns[j];
4517                ptt = qed_ptt_acquire(hwfn);
4518
4519                /* Make sure not to use more than 16 queues per VF */
4520                params.num_queues = min_t(int,
4521                                          FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4522                                          16);
4523
4524                if (!ptt) {
4525                        DP_ERR(hwfn, "Failed to acquire ptt\n");
4526                        rc = -EBUSY;
4527                        goto err;
4528                }
4529
4530                for (i = 0; i < num; i++) {
4531                        if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
4532                                continue;
4533
4534                        qed_sriov_enable_qid_config(hwfn, i, &params);
4535                        rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
4536                        if (rc) {
4537                                DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4538                                qed_ptt_release(hwfn, ptt);
4539                                goto err;
4540                        }
4541                }
4542
4543                qed_ptt_release(hwfn, ptt);
4544        }
4545
4546        /* Enable SRIOV PCIe functions */
4547        rc = pci_enable_sriov(cdev->pdev, num);
4548        if (rc) {
4549                DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4550                goto err;
4551        }
4552
4553        hwfn = QED_LEADING_HWFN(cdev);
4554        ptt = qed_ptt_acquire(hwfn);
4555        if (!ptt) {
4556                DP_ERR(hwfn, "Failed to acquire ptt\n");
4557                rc = -EBUSY;
4558                goto err;
4559        }
4560
4561        rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4562        if (rc)
4563                DP_INFO(cdev, "Failed to update eswitch mode\n");
4564        qed_ptt_release(hwfn, ptt);
4565
4566        return num;
4567
4568err:
4569        qed_sriov_disable(cdev, false);
4570        return rc;
4571}
4572
4573static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4574{
4575        if (!IS_QED_SRIOV(cdev)) {
4576                DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4577                return -EOPNOTSUPP;
4578        }
4579
4580        if (num_vfs_param)
4581                return qed_sriov_enable(cdev, num_vfs_param);
4582        else
4583                return qed_sriov_disable(cdev, true);
4584}
4585
4586static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4587{
4588        int i;
4589
4590        if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4591                DP_VERBOSE(cdev, QED_MSG_IOV,
4592                           "Cannot set a VF MAC; Sriov is not enabled\n");
4593                return -EINVAL;
4594        }
4595
4596        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4597                DP_VERBOSE(cdev, QED_MSG_IOV,
4598                           "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4599                return -EINVAL;
4600        }
4601
4602        for_each_hwfn(cdev, i) {
4603                struct qed_hwfn *hwfn = &cdev->hwfns[i];
4604                struct qed_public_vf_info *vf_info;
4605
4606                vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4607                if (!vf_info)
4608                        continue;
4609
4610                /* Set the MAC, and schedule the IOV task */
4611                if (vf_info->is_trusted_configured)
4612                        ether_addr_copy(vf_info->mac, mac);
4613                else
4614                        ether_addr_copy(vf_info->forced_mac, mac);
4615
4616                qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4617        }
4618
4619        return 0;
4620}
4621
4622static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4623{
4624        int i;
4625
4626        if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4627                DP_VERBOSE(cdev, QED_MSG_IOV,
4628                           "Cannot set a VF MAC; Sriov is not enabled\n");
4629                return -EINVAL;
4630        }
4631
4632        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
4633                DP_VERBOSE(cdev, QED_MSG_IOV,
4634                           "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4635                return -EINVAL;
4636        }
4637
4638        for_each_hwfn(cdev, i) {
4639                struct qed_hwfn *hwfn = &cdev->hwfns[i];
4640                struct qed_public_vf_info *vf_info;
4641
4642                vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4643                if (!vf_info)
4644                        continue;
4645
4646                /* Set the forced vlan, and schedule the IOV task */
4647                vf_info->forced_vlan = vid;
4648                qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4649        }
4650
4651        return 0;
4652}
4653
4654static int qed_get_vf_config(struct qed_dev *cdev,
4655                             int vf_id, struct ifla_vf_info *ivi)
4656{
4657        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4658        struct qed_public_vf_info *vf_info;
4659        struct qed_mcp_link_state link;
4660        u32 tx_rate;
4661
4662        /* Sanitize request */
4663        if (IS_VF(cdev))
4664                return -EINVAL;
4665
4666        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
4667                DP_VERBOSE(cdev, QED_MSG_IOV,
4668                           "VF index [%d] isn't active\n", vf_id);
4669                return -EINVAL;
4670        }
4671
4672        vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4673
4674        qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4675
4676        /* Fill information about VF */
4677        ivi->vf = vf_id;
4678
4679        if (is_valid_ether_addr(vf_info->forced_mac))
4680                ether_addr_copy(ivi->mac, vf_info->forced_mac);
4681        else
4682                ether_addr_copy(ivi->mac, vf_info->mac);
4683
4684        ivi->vlan = vf_info->forced_vlan;
4685        ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4686        ivi->linkstate = vf_info->link_state;
4687        tx_rate = vf_info->tx_rate;
4688        ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4689        ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4690
4691        return 0;
4692}
4693
4694void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4695{
4696        struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
4697        struct qed_mcp_link_capabilities caps;
4698        struct qed_mcp_link_params params;
4699        struct qed_mcp_link_state link;
4700        int i;
4701
4702        if (!hwfn->pf_iov_info)
4703                return;
4704
4705        /* Update bulletin of all future possible VFs with link configuration */
4706        for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
4707                struct qed_public_vf_info *vf_info;
4708
4709                vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4710                if (!vf_info)
4711                        continue;
4712
4713                /* Only hwfn0 is actually interested in the link speed.
4714                 * But since only it would receive an MFW indication of link,
4715                 * need to take configuration from it - otherwise things like
4716                 * rate limiting for hwfn1 VF would not work.
4717                 */
4718                memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4719                       sizeof(params));
4720                memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4721                memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
4722                       sizeof(caps));
4723
4724                /* Modify link according to the VF's configured link state */
4725                switch (vf_info->link_state) {
4726                case IFLA_VF_LINK_STATE_DISABLE:
4727                        link.link_up = false;
4728                        break;
4729                case IFLA_VF_LINK_STATE_ENABLE:
4730                        link.link_up = true;
4731                        /* Set speed according to maximum supported by HW.
4732                         * that is 40G for regular devices and 100G for CMT
4733                         * mode devices.
4734                         */
4735                        link.speed = (hwfn->cdev->num_hwfns > 1) ?
4736                                     100000 : 40000;
4737                        break;
4738                default:
4739                        /* In auto mode pass PF link image to VF */
4740                        break;
4741                }
4742
4743                if (link.link_up && vf_info->tx_rate) {
4744                        struct qed_ptt *ptt;
4745                        int rate;
4746
4747                        rate = min_t(int, vf_info->tx_rate, link.speed);
4748
4749                        ptt = qed_ptt_acquire(hwfn);
4750                        if (!ptt) {
4751                                DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4752                                return;
4753                        }
4754
4755                        if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4756                                vf_info->tx_rate = rate;
4757                                link.speed = rate;
4758                        }
4759
4760                        qed_ptt_release(hwfn, ptt);
4761                }
4762
4763                qed_iov_set_link(hwfn, i, &params, &link, &caps);
4764        }
4765
4766        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4767}
4768
4769static int qed_set_vf_link_state(struct qed_dev *cdev,
4770                                 int vf_id, int link_state)
4771{
4772        int i;
4773
4774        /* Sanitize request */
4775        if (IS_VF(cdev))
4776                return -EINVAL;
4777
4778        if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
4779                DP_VERBOSE(cdev, QED_MSG_IOV,
4780                           "VF index [%d] isn't active\n", vf_id);
4781                return -EINVAL;
4782        }
4783
4784        /* Handle configuration of link state */
4785        for_each_hwfn(cdev, i) {
4786                struct qed_hwfn *hwfn = &cdev->hwfns[i];
4787                struct qed_public_vf_info *vf;
4788
4789                vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4790                if (!vf)
4791                        continue;
4792
4793                if (vf->link_state == link_state)
4794                        continue;
4795
4796                vf->link_state = link_state;
4797                qed_inform_vf_link_state(&cdev->hwfns[i]);
4798        }
4799
4800        return 0;
4801}
4802
4803static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4804{
4805        int i, rc = -EINVAL;
4806
4807        for_each_hwfn(cdev, i) {
4808                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4809
4810                rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4811                if (rc)
4812                        break;
4813        }
4814
4815        return rc;
4816}
4817
4818static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4819{
4820        int i;
4821
4822        for_each_hwfn(cdev, i) {
4823                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4824                struct qed_public_vf_info *vf;
4825
4826                if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4827                        DP_NOTICE(p_hwfn,
4828                                  "SR-IOV sanity check failed, can't set tx rate\n");
4829                        return -EINVAL;
4830                }
4831
4832                vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4833
4834                vf->tx_rate = rate;
4835
4836                qed_inform_vf_link_state(p_hwfn);
4837        }
4838
4839        return 0;
4840}
4841
4842static int qed_set_vf_rate(struct qed_dev *cdev,
4843                           int vfid, u32 min_rate, u32 max_rate)
4844{
4845        int rc_min = 0, rc_max = 0;
4846
4847        if (max_rate)
4848                rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4849
4850        if (min_rate)
4851                rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4852
4853        if (rc_max | rc_min)
4854                return -EINVAL;
4855
4856        return 0;
4857}
4858
4859static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4860{
4861        int i;
4862
4863        for_each_hwfn(cdev, i) {
4864                struct qed_hwfn *hwfn = &cdev->hwfns[i];
4865                struct qed_public_vf_info *vf;
4866
4867                if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4868                        DP_NOTICE(hwfn,
4869                                  "SR-IOV sanity check failed, can't set trust\n");
4870                        return -EINVAL;
4871                }
4872
4873                vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4874
4875                if (vf->is_trusted_request == trust)
4876                        return 0;
4877                vf->is_trusted_request = trust;
4878
4879                qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4880        }
4881
4882        return 0;
4883}
4884
4885static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4886{
4887        u64 events[QED_VF_ARRAY_LENGTH];
4888        struct qed_ptt *ptt;
4889        int i;
4890
4891        ptt = qed_ptt_acquire(hwfn);
4892        if (!ptt) {
4893                DP_VERBOSE(hwfn, QED_MSG_IOV,
4894                           "Can't acquire PTT; re-scheduling\n");
4895                qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4896                return;
4897        }
4898
4899        qed_iov_pf_get_pending_events(hwfn, events);
4900
4901        DP_VERBOSE(hwfn, QED_MSG_IOV,
4902                   "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4903                   events[0], events[1], events[2]);
4904
4905        qed_for_each_vf(hwfn, i) {
4906                /* Skip VFs with no pending messages */
4907                if (!(events[i / 64] & (1ULL << (i % 64))))
4908                        continue;
4909
4910                DP_VERBOSE(hwfn, QED_MSG_IOV,
4911                           "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4912                           i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4913
4914                /* Copy VF's message to PF's request buffer for that VF */
4915                if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4916                        continue;
4917
4918                qed_iov_process_mbx_req(hwfn, ptt, i);
4919        }
4920
4921        qed_ptt_release(hwfn, ptt);
4922}
4923
4924static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4925                                       u8 *mac,
4926                                       struct qed_public_vf_info *info)
4927{
4928        if (info->is_trusted_configured) {
4929                if (is_valid_ether_addr(info->mac) &&
4930                    (!mac || !ether_addr_equal(mac, info->mac)))
4931                        return true;
4932        } else {
4933                if (is_valid_ether_addr(info->forced_mac) &&
4934                    (!mac || !ether_addr_equal(mac, info->forced_mac)))
4935                        return true;
4936        }
4937
4938        return false;
4939}
4940
4941static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4942                                 struct qed_public_vf_info *info,
4943                                 int vfid)
4944{
4945        if (info->is_trusted_configured)
4946                qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4947        else
4948                qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4949}
4950
4951static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4952{
4953        int i;
4954
4955        qed_for_each_vf(hwfn, i) {
4956                struct qed_public_vf_info *info;
4957                bool update = false;
4958                u8 *mac;
4959
4960                info = qed_iov_get_public_vf_info(hwfn, i, true);
4961                if (!info)
4962                        continue;
4963
4964                /* Update data on bulletin board */
4965                if (info->is_trusted_configured)
4966                        mac = qed_iov_bulletin_get_mac(hwfn, i);
4967                else
4968                        mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4969
4970                if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
4971                        DP_VERBOSE(hwfn,
4972                                   QED_MSG_IOV,
4973                                   "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4974                                   i,
4975                                   hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4976
4977                        /* Update bulletin board with MAC */
4978                        qed_set_bulletin_mac(hwfn, info, i);
4979                        update = true;
4980                }
4981
4982                if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4983                    info->forced_vlan) {
4984                        DP_VERBOSE(hwfn,
4985                                   QED_MSG_IOV,
4986                                   "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
4987                                   info->forced_vlan,
4988                                   i,
4989                                   hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4990                        qed_iov_bulletin_set_forced_vlan(hwfn,
4991                                                         info->forced_vlan, i);
4992                        update = true;
4993                }
4994
4995                if (update)
4996                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4997        }
4998}
4999
5000static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5001{
5002        struct qed_ptt *ptt;
5003        int i;
5004
5005        ptt = qed_ptt_acquire(hwfn);
5006        if (!ptt) {
5007                DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5008                qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5009                return;
5010        }
5011
5012        qed_for_each_vf(hwfn, i)
5013            qed_iov_post_vf_bulletin(hwfn, i, ptt);
5014
5015        qed_ptt_release(hwfn, ptt);
5016}
5017
5018static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5019{
5020        struct qed_public_vf_info *vf_info;
5021        struct qed_vf_info *vf;
5022        u8 *force_mac;
5023        int i;
5024
5025        vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5026        vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5027
5028        if (!vf_info || !vf)
5029                return;
5030
5031        /* Force MAC converted to generic MAC in case of VF trust on */
5032        if (vf_info->is_trusted_configured &&
5033            (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5034                force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5035
5036                if (force_mac) {
5037                        /* Clear existing shadow copy of MAC to have a clean
5038                         * slate.
5039                         */
5040                        for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5041                                if (ether_addr_equal(vf->shadow_config.macs[i],
5042                                                     vf_info->mac)) {
5043                                        eth_zero_addr(vf->shadow_config.macs[i]);
5044                                        DP_VERBOSE(hwfn, QED_MSG_IOV,
5045                                                   "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5046                                                    vf_info->mac, vf_id);
5047                                        break;
5048                                }
5049                        }
5050
5051                        ether_addr_copy(vf_info->mac, force_mac);
5052                        eth_zero_addr(vf_info->forced_mac);
5053                        vf->bulletin.p_virt->valid_bitmap &=
5054                                        ~BIT(MAC_ADDR_FORCED);
5055                        qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5056                }
5057        }
5058
5059        /* Update shadow copy with VF MAC when trust mode is turned off */
5060        if (!vf_info->is_trusted_configured) {
5061                u8 empty_mac[ETH_ALEN];
5062
5063                eth_zero_addr(empty_mac);
5064                for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5065                        if (ether_addr_equal(vf->shadow_config.macs[i],
5066                                             empty_mac)) {
5067                                ether_addr_copy(vf->shadow_config.macs[i],
5068                                                vf_info->mac);
5069                                DP_VERBOSE(hwfn, QED_MSG_IOV,
5070                                           "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5071                                            vf_info->mac, vf_id);
5072                                break;
5073                        }
5074                }
5075                /* Clear bulletin when trust mode is turned off,
5076                 * to have a clean slate for next (normal) operations.
5077                 */
5078                qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5079                qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5080        }
5081}
5082
5083static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5084{
5085        struct qed_sp_vport_update_params params;
5086        struct qed_filter_accept_flags *flags;
5087        struct qed_public_vf_info *vf_info;
5088        struct qed_vf_info *vf;
5089        u8 mask;
5090        int i;
5091
5092        mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5093        flags = &params.accept_flags;
5094
5095        qed_for_each_vf(hwfn, i) {
5096                /* Need to make sure current requested configuration didn't
5097                 * flip so that we'll end up configuring something that's not
5098                 * needed.
5099                 */
5100                vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5101                if (vf_info->is_trusted_configured ==
5102                    vf_info->is_trusted_request)
5103                        continue;
5104                vf_info->is_trusted_configured = vf_info->is_trusted_request;
5105
5106                /* Handle forced MAC mode */
5107                qed_update_mac_for_vf_trust_change(hwfn, i);
5108
5109                /* Validate that the VF has a configured vport */
5110                vf = qed_iov_get_vf_info(hwfn, i, true);
5111                if (!vf->vport_instance)
5112                        continue;
5113
5114                memset(&params, 0, sizeof(params));
5115                params.opaque_fid = vf->opaque_fid;
5116                params.vport_id = vf->vport_id;
5117
5118                params.update_ctl_frame_check = 1;
5119                params.mac_chk_en = !vf_info->is_trusted_configured;
5120
5121                if (vf_info->rx_accept_mode & mask) {
5122                        flags->update_rx_mode_config = 1;
5123                        flags->rx_accept_filter = vf_info->rx_accept_mode;
5124                }
5125
5126                if (vf_info->tx_accept_mode & mask) {
5127                        flags->update_tx_mode_config = 1;
5128                        flags->tx_accept_filter = vf_info->tx_accept_mode;
5129                }
5130
5131                /* Remove if needed; Otherwise this would set the mask */
5132                if (!vf_info->is_trusted_configured) {
5133                        flags->rx_accept_filter &= ~mask;
5134                        flags->tx_accept_filter &= ~mask;
5135                }
5136
5137                if (flags->update_rx_mode_config ||
5138                    flags->update_tx_mode_config ||
5139                    params.update_ctl_frame_check)
5140                        qed_sp_vport_update(hwfn, &params,
5141                                            QED_SPQ_MODE_EBLOCK, NULL);
5142        }
5143}
5144
5145static void qed_iov_pf_task(struct work_struct *work)
5146
5147{
5148        struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5149                                             iov_task.work);
5150        int rc;
5151
5152        if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5153                return;
5154
5155        if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5156                struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5157
5158                if (!ptt) {
5159                        qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5160                        return;
5161                }
5162
5163                rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5164                if (rc)
5165                        qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5166
5167                qed_ptt_release(hwfn, ptt);
5168        }
5169
5170        if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5171                qed_handle_vf_msg(hwfn);
5172
5173        if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5174                               &hwfn->iov_task_flags))
5175                qed_handle_pf_set_vf_unicast(hwfn);
5176
5177        if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5178                               &hwfn->iov_task_flags))
5179                qed_handle_bulletin_post(hwfn);
5180
5181        if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5182                qed_iov_handle_trust_change(hwfn);
5183}
5184
5185void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5186{
5187        int i;
5188
5189        for_each_hwfn(cdev, i) {
5190                if (!cdev->hwfns[i].iov_wq)
5191                        continue;
5192
5193                if (schedule_first) {
5194                        qed_schedule_iov(&cdev->hwfns[i],
5195                                         QED_IOV_WQ_STOP_WQ_FLAG);
5196                        cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5197                }
5198
5199                flush_workqueue(cdev->hwfns[i].iov_wq);
5200                destroy_workqueue(cdev->hwfns[i].iov_wq);
5201        }
5202}
5203
5204int qed_iov_wq_start(struct qed_dev *cdev)
5205{
5206        char name[NAME_SIZE];
5207        int i;
5208
5209        for_each_hwfn(cdev, i) {
5210                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5211
5212                /* PFs needs a dedicated workqueue only if they support IOV.
5213                 * VFs always require one.
5214                 */
5215                if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
5216                        continue;
5217
5218                snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5219                         cdev->pdev->bus->number,
5220                         PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5221
5222                p_hwfn->iov_wq = create_singlethread_workqueue(name);
5223                if (!p_hwfn->iov_wq) {
5224                        DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5225                        return -ENOMEM;
5226                }
5227
5228                if (IS_PF(cdev))
5229                        INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5230                else
5231                        INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
5232        }
5233
5234        return 0;
5235}
5236
5237const struct qed_iov_hv_ops qed_iov_ops_pass = {
5238        .configure = &qed_sriov_configure,
5239        .set_mac = &qed_sriov_pf_set_mac,
5240        .set_vlan = &qed_sriov_pf_set_vlan,
5241        .get_config = &qed_get_vf_config,
5242        .set_link_state = &qed_set_vf_link_state,
5243        .set_spoof = &qed_spoof_configure,
5244        .set_rate = &qed_set_vf_rate,
5245        .set_trust = &qed_set_vf_trust,
5246};
5247