drivers/net/qede/qede_main.c

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #include <limits.h>
  10 #include <time.h>
  11 #include <rte_alarm.h>
  12
  13 #include "qede_ethdev.h"
  14
  15 /* Alarm timeout. */
  16 #define QEDE_ALARM_TIMEOUT_US 100000
  17
  18 /* Global variable to hold absolute path of fw file */
  19 char fw_file[PATH_MAX];
  20
  21 const char *QEDE_DEFAULT_FIRMWARE =
  22         "/lib/firmware/qed/qed_init_values-8.18.9.0.bin";
  23
  24 static void
  25 qed_update_pf_params(struct ecore_dev *edev, struct ecore_pf_params *params)
  26 {
  27         int i;
  28
  29         for (i = 0; i < edev->num_hwfns; i++) {
  30                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
  31                 p_hwfn->pf_params = *params;
  32         }
  33 }
  34
  35 static void qed_init_pci(struct ecore_dev *edev, struct rte_pci_device *pci_dev)
  36 {
  37         edev->regview = pci_dev->mem_resource[0].addr;
  38         edev->doorbells = pci_dev->mem_resource[2].addr;
  39 }
  40
  41 static int
  42 qed_probe(struct ecore_dev *edev, struct rte_pci_device *pci_dev,
  43           enum qed_protocol protocol, uint32_t dp_module,
  44           uint8_t dp_level, bool is_vf)
  45 {
  46         struct ecore_hw_prepare_params hw_prepare_params;
  47         struct qede_dev *qdev = (struct qede_dev *)edev;
  48         int rc;
  49
  50         ecore_init_struct(edev);
  51         edev->drv_type = DRV_ID_DRV_TYPE_LINUX;
  52         qdev->protocol = protocol;
  53
  54         if (is_vf)
  55                 edev->b_is_vf = true;
  56
  57         ecore_init_dp(edev, dp_module, dp_level, NULL);
  58         qed_init_pci(edev, pci_dev);
  59
  60         memset(&hw_prepare_params, 0, sizeof(hw_prepare_params));
  61         hw_prepare_params.personality = ECORE_PCI_ETH;
  62         hw_prepare_params.drv_resc_alloc = false;
  63         hw_prepare_params.chk_reg_fifo = false;
  64         hw_prepare_params.initiate_pf_flr = true;
  65         hw_prepare_params.epoch = (u32)time(NULL);
  66         rc = ecore_hw_prepare(edev, &hw_prepare_params);
  67         if (rc) {
  68                 DP_ERR(edev, "hw prepare failed\n");
  69                 return rc;
  70         }
  71
  72         return rc;
  73 }
  74
  75 static int qed_nic_setup(struct ecore_dev *edev)
  76 {
  77         int rc, i;
  78
  79         rc = ecore_resc_alloc(edev);
  80         if (rc)
  81                 return rc;
  82
  83         DP_INFO(edev, "Allocated qed resources\n");
  84         ecore_resc_setup(edev);
  85
  86         return rc;
  87 }
  88
  89 #ifdef CONFIG_ECORE_ZIPPED_FW
  90 static int qed_alloc_stream_mem(struct ecore_dev *edev)
  91 {
  92         int i;
  93
  94         for_each_hwfn(edev, i) {
  95                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
  96
  97                 p_hwfn->stream = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
  98                                              sizeof(*p_hwfn->stream));
  99                 if (!p_hwfn->stream)
 100                         return -ENOMEM;
 101         }
 102
 103         return 0;
 104 }
 105
 106 static void qed_free_stream_mem(struct ecore_dev *edev)
 107 {
 108         int i;
 109
 110         for_each_hwfn(edev, i) {
 111                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
 112
 113                 if (!p_hwfn->stream)
 114                         return;
 115
 116                 OSAL_FREE(p_hwfn->p_dev, p_hwfn->stream);
 117         }
 118 }
 119 #endif
 120
 121 #ifdef CONFIG_ECORE_BINARY_FW
 122 static int qed_load_firmware_data(struct ecore_dev *edev)
 123 {
 124         int fd;
 125         struct stat st;
 126         const char *fw = RTE_LIBRTE_QEDE_FW;
 127
 128         if (strcmp(fw, "") == 0)
 129                 strcpy(fw_file, QEDE_DEFAULT_FIRMWARE);
 130         else
 131                 strcpy(fw_file, fw);
 132
 133         fd = open(fw_file, O_RDONLY);
 134         if (fd < 0) {
 135                 DP_NOTICE(edev, false, "Can't open firmware file\n");
 136                 return -ENOENT;
 137         }
 138
 139         if (fstat(fd, &st) < 0) {
 140                 DP_NOTICE(edev, false, "Can't stat firmware file\n");
 141                 close(fd);
 142                 return -1;
 143         }
 144
 145         edev->firmware = rte_zmalloc("qede_fw", st.st_size,
 146                                     RTE_CACHE_LINE_SIZE);
 147         if (!edev->firmware) {
 148                 DP_NOTICE(edev, false, "Can't allocate memory for firmware\n");
 149                 close(fd);
 150                 return -ENOMEM;
 151         }
 152
 153         if (read(fd, edev->firmware, st.st_size) != st.st_size) {
 154                 DP_NOTICE(edev, false, "Can't read firmware data\n");
 155                 close(fd);
 156                 return -1;
 157         }
 158
 159         edev->fw_len = st.st_size;
 160         if (edev->fw_len < 104) {
 161                 DP_NOTICE(edev, false, "Invalid fw size: %" PRIu64 "\n",
 162                           edev->fw_len);
 163                 close(fd);
 164                 return -EINVAL;
 165         }
 166
 167         close(fd);
 168         return 0;
 169 }
 170 #endif
 171
 172 static void qed_handle_bulletin_change(struct ecore_hwfn *hwfn)
 173 {
 174         uint8_t mac[ETH_ALEN], is_mac_exist, is_mac_forced;
 175
 176         is_mac_exist = ecore_vf_bulletin_get_forced_mac(hwfn, mac,
 177                                                       &is_mac_forced);
 178         if (is_mac_exist && is_mac_forced)
 179                 rte_memcpy(hwfn->hw_info.hw_mac_addr, mac, ETH_ALEN);
 180
 181         /* Always update link configuration according to bulletin */
 182         qed_link_update(hwfn);
 183 }
 184
 185 static void qede_vf_task(void *arg)
 186 {
 187         struct ecore_hwfn *p_hwfn = arg;
 188         uint8_t change = 0;
 189
 190         /* Read the bulletin board, and re-schedule the task */
 191         ecore_vf_read_bulletin(p_hwfn, &change);
 192         if (change)
 193                 qed_handle_bulletin_change(p_hwfn);
 194
 195         rte_eal_alarm_set(QEDE_ALARM_TIMEOUT_US, qede_vf_task, p_hwfn);
 196 }
 197
 198 static void qed_start_iov_task(struct ecore_dev *edev)
 199 {
 200         struct ecore_hwfn *p_hwfn;
 201         int i;
 202
 203         for_each_hwfn(edev, i) {
 204                 p_hwfn = &edev->hwfns[i];
 205                 if (!IS_PF(edev))
 206                         rte_eal_alarm_set(QEDE_ALARM_TIMEOUT_US, qede_vf_task,
 207                                           p_hwfn);
 208         }
 209 }
 210
 211 static void qed_stop_iov_task(struct ecore_dev *edev)
 212 {
 213         struct ecore_hwfn *p_hwfn;
 214         int i;
 215
 216         for_each_hwfn(edev, i) {
 217                 p_hwfn = &edev->hwfns[i];
 218                 if (!IS_PF(edev))
 219                         rte_eal_alarm_cancel(qede_vf_task, p_hwfn);
 220         }
 221 }
 222 static int qed_slowpath_start(struct ecore_dev *edev,
 223                               struct qed_slowpath_params *params)
 224 {
 225         const uint8_t *data = NULL;
 226         struct ecore_hwfn *hwfn;
 227         struct ecore_mcp_drv_version drv_version;
 228         struct ecore_hw_init_params hw_init_params;
 229         struct qede_dev *qdev = (struct qede_dev *)edev;
 230         struct ecore_ptt *p_ptt;
 231         int rc;
 232
 233         if (IS_PF(edev)) {
 234 #ifdef CONFIG_ECORE_BINARY_FW
 235                 rc = qed_load_firmware_data(edev);
 236                 if (rc) {
 237                         DP_ERR(edev, "Failed to find fw file %s\n", fw_file);
 238                         goto err;
 239                 }
 240 #endif
 241                 hwfn = ECORE_LEADING_HWFN(edev);
 242                 if (edev->num_hwfns == 1) { /* skip aRFS for 100G device */
 243                         p_ptt = ecore_ptt_acquire(hwfn);
 244                         if (p_ptt) {
 245                                 ECORE_LEADING_HWFN(edev)->p_arfs_ptt = p_ptt;
 246                         } else {
 247                                 DP_ERR(edev, "Failed to acquire PTT for flowdir\n");
 248                                 rc = -ENOMEM;
 249                                 goto err;
 250                         }
 251                 }
 252         }
 253
 254         rc = qed_nic_setup(edev);
 255         if (rc)
 256                 goto err;
 257
 258         /* set int_coalescing_mode */
 259         edev->int_coalescing_mode = ECORE_COAL_MODE_ENABLE;
 260
 261 #ifdef CONFIG_ECORE_ZIPPED_FW
 262         if (IS_PF(edev)) {
 263                 /* Allocate stream for unzipping */
 264                 rc = qed_alloc_stream_mem(edev);
 265                 if (rc) {
 266                         DP_NOTICE(edev, true,
 267                         "Failed to allocate stream memory\n");
 268                         goto err1;
 269                 }
 270         }
 271
 272         qed_start_iov_task(edev);
 273 #endif
 274
 275 #ifdef CONFIG_ECORE_BINARY_FW
 276         if (IS_PF(edev))
 277                 data = (const uint8_t *)edev->firmware + sizeof(u32);
 278 #endif
 279
 280         /* Start the slowpath */
 281         memset(&hw_init_params, 0, sizeof(hw_init_params));
 282         hw_init_params.b_hw_start = true;
 283         hw_init_params.int_mode = ECORE_INT_MODE_MSIX;
 284         hw_init_params.allow_npar_tx_switch = true;
 285         hw_init_params.bin_fw_data = data;
 286         hw_init_params.mfw_timeout_val = ECORE_LOAD_REQ_LOCK_TO_DEFAULT;
 287         hw_init_params.avoid_eng_reset = false;
 288         rc = ecore_hw_init(edev, &hw_init_params);
 289         if (rc) {
 290                 DP_ERR(edev, "ecore_hw_init failed\n");
 291                 goto err2;
 292         }
 293
 294         DP_INFO(edev, "HW inited and function started\n");
 295
 296         if (IS_PF(edev)) {
 297                 hwfn = ECORE_LEADING_HWFN(edev);
 298                 drv_version.version = (params->drv_major << 24) |
 299                     (params->drv_minor << 16) |
 300                     (params->drv_rev << 8) | (params->drv_eng);
 301                 /* TBD: strlcpy() */
 302                 strncpy((char *)drv_version.name, (const char *)params->name,
 303                         MCP_DRV_VER_STR_SIZE - 4);
 304                 rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 305                                                 &drv_version);
 306                 if (rc) {
 307                         DP_NOTICE(edev, true,
 308                                   "Failed sending drv version command\n");
 309                         goto err3;
 310                 }
 311         }
 312
 313         ecore_reset_vport_stats(edev);
 314
 315         return 0;
 316
 317 err3:
 318         ecore_hw_stop(edev);
 319 err2:
 320         qed_stop_iov_task(edev);
 321 #ifdef CONFIG_ECORE_ZIPPED_FW
 322         qed_free_stream_mem(edev);
 323 err1:
 324 #endif
 325         ecore_resc_free(edev);
 326 err:
 327 #ifdef CONFIG_ECORE_BINARY_FW
 328         if (IS_PF(edev)) {
 329                 if (edev->firmware)
 330                         rte_free(edev->firmware);
 331                 edev->firmware = NULL;
 332         }
 333 #endif
 334         qed_stop_iov_task(edev);
 335
 336         return rc;
 337 }
 338
 339 static int
 340 qed_fill_dev_info(struct ecore_dev *edev, struct qed_dev_info *dev_info)
 341 {
 342         struct ecore_ptt *ptt = NULL;
 343         struct ecore_tunnel_info *tun = &edev->tunnel;
 344
 345         memset(dev_info, 0, sizeof(struct qed_dev_info));
 346
 347         if (tun->vxlan.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 348             tun->vxlan.b_mode_enabled)
 349                 dev_info->vxlan_enable = true;
 350
 351         if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
 352             tun->l2_gre.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 353             tun->ip_gre.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN)
 354                 dev_info->gre_enable = true;
 355
 356         if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
 357             tun->l2_geneve.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 358             tun->ip_geneve.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN)
 359                 dev_info->geneve_enable = true;
 360
 361         dev_info->num_hwfns = edev->num_hwfns;
 362         dev_info->is_mf_default = IS_MF_DEFAULT(&edev->hwfns[0]);
 363         dev_info->mtu = ECORE_LEADING_HWFN(edev)->hw_info.mtu;
 364
 365         rte_memcpy(&dev_info->hw_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 366                ETHER_ADDR_LEN);
 367
 368         dev_info->fw_major = FW_MAJOR_VERSION;
 369         dev_info->fw_minor = FW_MINOR_VERSION;
 370         dev_info->fw_rev = FW_REVISION_VERSION;
 371         dev_info->fw_eng = FW_ENGINEERING_VERSION;
 372
 373         if (IS_PF(edev)) {
 374                 dev_info->mf_mode = edev->mf_mode;
 375                 dev_info->tx_switching = false;
 376
 377                 ptt = ecore_ptt_acquire(ECORE_LEADING_HWFN(edev));
 378                 if (ptt) {
 379                         ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 380                                               &dev_info->mfw_rev, NULL);
 381
 382                         ecore_mcp_get_flash_size(ECORE_LEADING_HWFN(edev), ptt,
 383                                                  &dev_info->flash_size);
 384
 385                         /* Workaround to allow PHY-read commands for
 386                          * B0 bringup.
 387                          */
 388                         if (ECORE_IS_BB_B0(edev))
 389                                 dev_info->flash_size = 0xffffffff;
 390
 391                         ecore_ptt_release(ECORE_LEADING_HWFN(edev), ptt);
 392                 }
 393         } else {
 394                 ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 395                                       &dev_info->mfw_rev, NULL);
 396         }
 397
 398         return 0;
 399 }
 400
 401 int
 402 qed_fill_eth_dev_info(struct ecore_dev *edev, struct qed_dev_eth_info *info)
 403 {
 404         struct qede_dev *qdev = (struct qede_dev *)edev;
 405         uint8_t queues = 0;
 406         int i;
 407
 408         memset(info, 0, sizeof(*info));
 409
 410         info->num_tc = 1 /* @@@TBD aelior MULTI_COS */;
 411
 412         if (IS_PF(edev)) {
 413                 int max_vf_vlan_filters = 0;
 414
 415                 info->num_queues = 0;
 416                 for_each_hwfn(edev, i)
 417                         info->num_queues +=
 418                         FEAT_NUM(&edev->hwfns[i], ECORE_PF_L2_QUE);
 419
 420                 if (edev->p_iov_info)
 421                         max_vf_vlan_filters = edev->p_iov_info->total_vfs *
 422                                               ECORE_ETH_VF_NUM_VLAN_FILTERS;
 423                 info->num_vlan_filters = RESC_NUM(&edev->hwfns[0], ECORE_VLAN) -
 424                                          max_vf_vlan_filters;
 425
 426                 rte_memcpy(&info->port_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 427                            ETHER_ADDR_LEN);
 428         } else {
 429                 ecore_vf_get_num_rxqs(ECORE_LEADING_HWFN(edev),
 430                                       &info->num_queues);
 431                 if (edev->num_hwfns > 1) {
 432                         ecore_vf_get_num_rxqs(&edev->hwfns[1], &queues);
 433                         info->num_queues += queues;
 434                 }
 435
 436                 ecore_vf_get_num_vlan_filters(&edev->hwfns[0],
 437                                               (u8 *)&info->num_vlan_filters);
 438
 439                 ecore_vf_get_port_mac(&edev->hwfns[0],
 440                                       (uint8_t *)&info->port_mac);
 441
 442                 info->is_legacy = ecore_vf_get_pre_fp_hsi(&edev->hwfns[0]);
 443         }
 444
 445         qed_fill_dev_info(edev, &info->common);
 446
 447         if (IS_VF(edev))
 448                 memset(&info->common.hw_mac, 0, ETHER_ADDR_LEN);
 449
 450         return 0;
 451 }
 452
 453 static void qed_set_name(struct ecore_dev *edev, char name[NAME_SIZE])
 454 {
 455         int i;
 456
 457         rte_memcpy(edev->name, name, NAME_SIZE);
 458         for_each_hwfn(edev, i) {
 459                 snprintf(edev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
 460         }
 461 }
 462
 463 static uint32_t
 464 qed_sb_init(struct ecore_dev *edev, struct ecore_sb_info *sb_info,
 465             void *sb_virt_addr, dma_addr_t sb_phy_addr,
 466             uint16_t sb_id, enum qed_sb_type type)
 467 {
 468         struct ecore_hwfn *p_hwfn;
 469         int hwfn_index;
 470         uint16_t rel_sb_id;
 471         uint8_t n_hwfns;
 472         uint32_t rc;
 473
 474         /* RoCE uses single engine and CMT uses two engines. When using both
 475          * we force only a single engine. Storage uses only engine 0 too.
 476          */
 477         if (type == QED_SB_TYPE_L2_QUEUE)
 478                 n_hwfns = edev->num_hwfns;
 479         else
 480                 n_hwfns = 1;
 481
 482         hwfn_index = sb_id % n_hwfns;
 483         p_hwfn = &edev->hwfns[hwfn_index];
 484         rel_sb_id = sb_id / n_hwfns;
 485
 486         DP_INFO(edev, "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
 487                 hwfn_index, rel_sb_id, sb_id);
 488
 489         rc = ecore_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
 490                                sb_virt_addr, sb_phy_addr, rel_sb_id);
 491
 492         return rc;
 493 }
 494
 495 static void qed_fill_link(struct ecore_hwfn *hwfn,
 496                           struct qed_link_output *if_link)
 497 {
 498         struct ecore_mcp_link_params params;
 499         struct ecore_mcp_link_state link;
 500         struct ecore_mcp_link_capabilities link_caps;
 501         uint32_t media_type;
 502         uint8_t change = 0;
 503
 504         memset(if_link, 0, sizeof(*if_link));
 505
 506         /* Prepare source inputs */
 507         if (IS_PF(hwfn->p_dev)) {
 508                 rte_memcpy(&params, ecore_mcp_get_link_params(hwfn),
 509                        sizeof(params));
 510                 rte_memcpy(&link, ecore_mcp_get_link_state(hwfn), sizeof(link));
 511                 rte_memcpy(&link_caps, ecore_mcp_get_link_capabilities(hwfn),
 512                        sizeof(link_caps));
 513         } else {
 514                 ecore_vf_read_bulletin(hwfn, &change);
 515                 ecore_vf_get_link_params(hwfn, &params);
 516                 ecore_vf_get_link_state(hwfn, &link);
 517                 ecore_vf_get_link_caps(hwfn, &link_caps);
 518         }
 519
 520         /* Set the link parameters to pass to protocol driver */
 521         if (link.link_up)
 522                 if_link->link_up = true;
 523
 524         if (link.link_up)
 525                 if_link->speed = link.speed;
 526
 527         if_link->duplex = QEDE_DUPLEX_FULL;
 528
 529         /* Fill up the native advertised speed cap mask */
 530         if_link->adv_speed = params.speed.advertised_speeds;
 531
 532         if (params.speed.autoneg)
 533                 if_link->supported_caps |= QEDE_SUPPORTED_AUTONEG;
 534
 535         if (params.pause.autoneg || params.pause.forced_rx ||
 536             params.pause.forced_tx)
 537                 if_link->supported_caps |= QEDE_SUPPORTED_PAUSE;
 538
 539         if (params.pause.autoneg)
 540                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
 541
 542         if (params.pause.forced_rx)
 543                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
 544
 545         if (params.pause.forced_tx)
 546                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
 547 }
 548
 549 static void
 550 qed_get_current_link(struct ecore_dev *edev, struct qed_link_output *if_link)
 551 {
 552         qed_fill_link(&edev->hwfns[0], if_link);
 553
 554 #ifdef CONFIG_QED_SRIOV
 555         for_each_hwfn(cdev, i)
 556                 qed_inform_vf_link_state(&cdev->hwfns[i]);
 557 #endif
 558 }
 559
 560 static int qed_set_link(struct ecore_dev *edev, struct qed_link_params *params)
 561 {
 562         struct ecore_hwfn *hwfn;
 563         struct ecore_ptt *ptt;
 564         struct ecore_mcp_link_params *link_params;
 565         int rc;
 566
 567         if (IS_VF(edev))
 568                 return 0;
 569
 570         /* The link should be set only once per PF */
 571         hwfn = &edev->hwfns[0];
 572
 573         ptt = ecore_ptt_acquire(hwfn);
 574         if (!ptt)
 575                 return -EBUSY;
 576
 577         link_params = ecore_mcp_get_link_params(hwfn);
 578         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
 579                 link_params->speed.autoneg = params->autoneg;
 580
 581         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
 582                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
 583                         link_params->pause.autoneg = true;
 584                 else
 585                         link_params->pause.autoneg = false;
 586                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
 587                         link_params->pause.forced_rx = true;
 588                 else
 589                         link_params->pause.forced_rx = false;
 590                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
 591                         link_params->pause.forced_tx = true;
 592                 else
 593                         link_params->pause.forced_tx = false;
 594         }
 595
 596         rc = ecore_mcp_set_link(hwfn, ptt, params->link_up);
 597
 598         ecore_ptt_release(hwfn, ptt);
 599
 600         return rc;
 601 }
 602
 603 void qed_link_update(struct ecore_hwfn *hwfn)
 604 {
 605         struct qed_link_output if_link;
 606
 607         qed_fill_link(hwfn, &if_link);
 608 }
 609
 610 static int qed_drain(struct ecore_dev *edev)
 611 {
 612         struct ecore_hwfn *hwfn;
 613         struct ecore_ptt *ptt;
 614         int i, rc;
 615
 616         if (IS_VF(edev))
 617                 return 0;
 618
 619         for_each_hwfn(edev, i) {
 620                 hwfn = &edev->hwfns[i];
 621                 ptt = ecore_ptt_acquire(hwfn);
 622                 if (!ptt) {
 623                         DP_NOTICE(hwfn, true, "Failed to drain NIG; No PTT\n");
 624                         return -EBUSY;
 625                 }
 626                 rc = ecore_mcp_drain(hwfn, ptt);
 627                 if (rc)
 628                         return rc;
 629                 ecore_ptt_release(hwfn, ptt);
 630         }
 631
 632         return 0;
 633 }
 634
 635 static int qed_nic_stop(struct ecore_dev *edev)
 636 {
 637         int i, rc;
 638
 639         rc = ecore_hw_stop(edev);
 640         for (i = 0; i < edev->num_hwfns; i++) {
 641                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
 642
 643                 if (p_hwfn->b_sp_dpc_enabled)
 644                         p_hwfn->b_sp_dpc_enabled = false;
 645         }
 646         return rc;
 647 }
 648
 649 static int qed_slowpath_stop(struct ecore_dev *edev)
 650 {
 651 #ifdef CONFIG_QED_SRIOV
 652         int i;
 653 #endif
 654
 655         if (!edev)
 656                 return -ENODEV;
 657
 658         if (IS_PF(edev)) {
 659 #ifdef CONFIG_ECORE_ZIPPED_FW
 660                 qed_free_stream_mem(edev);
 661 #endif
 662
 663 #ifdef CONFIG_QED_SRIOV
 664                 if (IS_QED_ETH_IF(edev))
 665                         qed_sriov_disable(edev, true);
 666 #endif
 667         }
 668
 669         qed_nic_stop(edev);
 670
 671         ecore_resc_free(edev);
 672         qed_stop_iov_task(edev);
 673
 674         return 0;
 675 }
 676
 677 static void qed_remove(struct ecore_dev *edev)
 678 {
 679         if (!edev)
 680                 return;
 681
 682         ecore_hw_remove(edev);
 683 }
 684
 685 static int qed_send_drv_state(struct ecore_dev *edev, bool active)
 686 {
 687         struct ecore_hwfn *hwfn = ECORE_LEADING_HWFN(edev);
 688         struct ecore_ptt *ptt;
 689         int status = 0;
 690
 691         ptt = ecore_ptt_acquire(hwfn);
 692         if (!ptt)
 693                 return -EAGAIN;
 694
 695         status = ecore_mcp_ov_update_driver_state(hwfn, ptt, active ?
 696                                                   ECORE_OV_DRIVER_STATE_ACTIVE :
 697                                                 ECORE_OV_DRIVER_STATE_DISABLED);
 698
 699         ecore_ptt_release(hwfn, ptt);
 700
 701         return status;
 702 }
 703
 704 static int qed_get_sb_info(struct ecore_dev *edev, struct ecore_sb_info *sb,
 705                            u16 qid, struct ecore_sb_info_dbg *sb_dbg)
 706 {
 707         struct ecore_hwfn *hwfn = &edev->hwfns[qid % edev->num_hwfns];
 708         struct ecore_ptt *ptt;
 709         int rc;
 710
 711         if (IS_VF(edev))
 712                 return -EINVAL;
 713
 714         ptt = ecore_ptt_acquire(hwfn);
 715         if (!ptt) {
 716                 DP_NOTICE(hwfn, true, "Can't acquire PTT\n");
 717                 return -EAGAIN;
 718         }
 719
 720         memset(sb_dbg, 0, sizeof(*sb_dbg));
 721         rc = ecore_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
 722
 723         ecore_ptt_release(hwfn, ptt);
 724         return rc;
 725 }
 726
 727 const struct qed_common_ops qed_common_ops_pass = {
 728         INIT_STRUCT_FIELD(probe, &qed_probe),
 729         INIT_STRUCT_FIELD(update_pf_params, &qed_update_pf_params),
 730         INIT_STRUCT_FIELD(slowpath_start, &qed_slowpath_start),
 731         INIT_STRUCT_FIELD(set_name, &qed_set_name),
 732         INIT_STRUCT_FIELD(chain_alloc, &ecore_chain_alloc),
 733         INIT_STRUCT_FIELD(chain_free, &ecore_chain_free),
 734         INIT_STRUCT_FIELD(sb_init, &qed_sb_init),
 735         INIT_STRUCT_FIELD(get_link, &qed_get_current_link),
 736         INIT_STRUCT_FIELD(set_link, &qed_set_link),
 737         INIT_STRUCT_FIELD(drain, &qed_drain),
 738         INIT_STRUCT_FIELD(slowpath_stop, &qed_slowpath_stop),
 739         INIT_STRUCT_FIELD(remove, &qed_remove),
 740         INIT_STRUCT_FIELD(send_drv_state, &qed_send_drv_state),
 741 };