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;
  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 ecore_ptt *p_ptt;
 230         int rc;
 231
 232         if (IS_PF(edev)) {
 233 #ifdef CONFIG_ECORE_BINARY_FW
 234                 rc = qed_load_firmware_data(edev);
 235                 if (rc) {
 236                         DP_ERR(edev, "Failed to find fw file %s\n", fw_file);
 237                         goto err;
 238                 }
 239 #endif
 240                 hwfn = ECORE_LEADING_HWFN(edev);
 241                 if (edev->num_hwfns == 1) { /* skip aRFS for 100G device */
 242                         p_ptt = ecore_ptt_acquire(hwfn);
 243                         if (p_ptt) {
 244                                 ECORE_LEADING_HWFN(edev)->p_arfs_ptt = p_ptt;
 245                         } else {
 246                                 DP_ERR(edev, "Failed to acquire PTT for flowdir\n");
 247                                 rc = -ENOMEM;
 248                                 goto err;
 249                         }
 250                 }
 251         }
 252
 253         rc = qed_nic_setup(edev);
 254         if (rc)
 255                 goto err;
 256
 257         /* set int_coalescing_mode */
 258         edev->int_coalescing_mode = ECORE_COAL_MODE_ENABLE;
 259
 260 #ifdef CONFIG_ECORE_ZIPPED_FW
 261         if (IS_PF(edev)) {
 262                 /* Allocate stream for unzipping */
 263                 rc = qed_alloc_stream_mem(edev);
 264                 if (rc) {
 265                         DP_NOTICE(edev, true,
 266                         "Failed to allocate stream memory\n");
 267                         goto err1;
 268                 }
 269         }
 270 #endif
 271
 272         qed_start_iov_task(edev);
 273
 274 #ifdef CONFIG_ECORE_BINARY_FW
 275         if (IS_PF(edev))
 276                 data = (const uint8_t *)edev->firmware + sizeof(u32);
 277 #endif
 278
 279         /* Start the slowpath */
 280         memset(&hw_init_params, 0, sizeof(hw_init_params));
 281         hw_init_params.b_hw_start = true;
 282         hw_init_params.int_mode = ECORE_INT_MODE_MSIX;
 283         hw_init_params.allow_npar_tx_switch = true;
 284         hw_init_params.bin_fw_data = data;
 285         hw_init_params.mfw_timeout_val = ECORE_LOAD_REQ_LOCK_TO_DEFAULT;
 286         hw_init_params.avoid_eng_reset = false;
 287         rc = ecore_hw_init(edev, &hw_init_params);
 288         if (rc) {
 289                 DP_ERR(edev, "ecore_hw_init failed\n");
 290                 goto err2;
 291         }
 292
 293         DP_INFO(edev, "HW inited and function started\n");
 294
 295         if (IS_PF(edev)) {
 296                 hwfn = ECORE_LEADING_HWFN(edev);
 297                 drv_version.version = (params->drv_major << 24) |
 298                     (params->drv_minor << 16) |
 299                     (params->drv_rev << 8) | (params->drv_eng);
 300                 /* TBD: strlcpy() */
 301                 strncpy((char *)drv_version.name, (const char *)params->name,
 302                         MCP_DRV_VER_STR_SIZE - 4);
 303                 rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 304                                                 &drv_version);
 305                 if (rc) {
 306                         DP_NOTICE(edev, true,
 307                                   "Failed sending drv version command\n");
 308                         goto err3;
 309                 }
 310         }
 311
 312         ecore_reset_vport_stats(edev);
 313
 314         return 0;
 315
 316 err3:
 317         ecore_hw_stop(edev);
 318 err2:
 319         qed_stop_iov_task(edev);
 320 #ifdef CONFIG_ECORE_ZIPPED_FW
 321         qed_free_stream_mem(edev);
 322 err1:
 323 #endif
 324         ecore_resc_free(edev);
 325 err:
 326 #ifdef CONFIG_ECORE_BINARY_FW
 327         if (IS_PF(edev)) {
 328                 if (edev->firmware)
 329                         rte_free(edev->firmware);
 330                 edev->firmware = NULL;
 331         }
 332 #endif
 333         qed_stop_iov_task(edev);
 334
 335         return rc;
 336 }
 337
 338 static int
 339 qed_fill_dev_info(struct ecore_dev *edev, struct qed_dev_info *dev_info)
 340 {
 341         struct ecore_ptt *ptt = NULL;
 342         struct ecore_tunnel_info *tun = &edev->tunnel;
 343
 344         memset(dev_info, 0, sizeof(struct qed_dev_info));
 345
 346         if (tun->vxlan.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 347             tun->vxlan.b_mode_enabled)
 348                 dev_info->vxlan_enable = true;
 349
 350         if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
 351             tun->l2_gre.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 352             tun->ip_gre.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN)
 353                 dev_info->gre_enable = true;
 354
 355         if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
 356             tun->l2_geneve.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN &&
 357             tun->ip_geneve.tun_cls == ECORE_TUNN_CLSS_MAC_VLAN)
 358                 dev_info->geneve_enable = true;
 359
 360         dev_info->num_hwfns = edev->num_hwfns;
 361         dev_info->is_mf_default = IS_MF_DEFAULT(&edev->hwfns[0]);
 362         dev_info->mtu = ECORE_LEADING_HWFN(edev)->hw_info.mtu;
 363
 364         rte_memcpy(&dev_info->hw_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 365                ETHER_ADDR_LEN);
 366
 367         dev_info->fw_major = FW_MAJOR_VERSION;
 368         dev_info->fw_minor = FW_MINOR_VERSION;
 369         dev_info->fw_rev = FW_REVISION_VERSION;
 370         dev_info->fw_eng = FW_ENGINEERING_VERSION;
 371
 372         if (IS_PF(edev)) {
 373                 dev_info->mf_mode = edev->mf_mode;
 374                 dev_info->tx_switching = false;
 375
 376                 ptt = ecore_ptt_acquire(ECORE_LEADING_HWFN(edev));
 377                 if (ptt) {
 378                         ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 379                                               &dev_info->mfw_rev, NULL);
 380
 381                         ecore_mcp_get_flash_size(ECORE_LEADING_HWFN(edev), ptt,
 382                                                  &dev_info->flash_size);
 383
 384                         /* Workaround to allow PHY-read commands for
 385                          * B0 bringup.
 386                          */
 387                         if (ECORE_IS_BB_B0(edev))
 388                                 dev_info->flash_size = 0xffffffff;
 389
 390                         ecore_ptt_release(ECORE_LEADING_HWFN(edev), ptt);
 391                 }
 392         } else {
 393                 ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 394                                       &dev_info->mfw_rev, NULL);
 395         }
 396
 397         return 0;
 398 }
 399
 400 int
 401 qed_fill_eth_dev_info(struct ecore_dev *edev, struct qed_dev_eth_info *info)
 402 {
 403         uint8_t queues = 0;
 404         int i;
 405
 406         memset(info, 0, sizeof(*info));
 407
 408         info->num_tc = 1 /* @@@TBD aelior MULTI_COS */;
 409
 410         if (IS_PF(edev)) {
 411                 int max_vf_vlan_filters = 0;
 412
 413                 info->num_queues = 0;
 414                 for_each_hwfn(edev, i)
 415                         info->num_queues +=
 416                         FEAT_NUM(&edev->hwfns[i], ECORE_PF_L2_QUE);
 417
 418                 if (edev->p_iov_info)
 419                         max_vf_vlan_filters = edev->p_iov_info->total_vfs *
 420                                               ECORE_ETH_VF_NUM_VLAN_FILTERS;
 421                 info->num_vlan_filters = RESC_NUM(&edev->hwfns[0], ECORE_VLAN) -
 422                                          max_vf_vlan_filters;
 423
 424                 rte_memcpy(&info->port_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 425                            ETHER_ADDR_LEN);
 426         } else {
 427                 ecore_vf_get_num_rxqs(ECORE_LEADING_HWFN(edev),
 428                                       &info->num_queues);
 429                 if (edev->num_hwfns > 1) {
 430                         ecore_vf_get_num_rxqs(&edev->hwfns[1], &queues);
 431                         info->num_queues += queues;
 432                 }
 433
 434                 ecore_vf_get_num_vlan_filters(&edev->hwfns[0],
 435                                               (u8 *)&info->num_vlan_filters);
 436
 437                 ecore_vf_get_port_mac(&edev->hwfns[0],
 438                                       (uint8_t *)&info->port_mac);
 439
 440                 info->is_legacy = ecore_vf_get_pre_fp_hsi(&edev->hwfns[0]);
 441         }
 442
 443         qed_fill_dev_info(edev, &info->common);
 444
 445         if (IS_VF(edev))
 446                 memset(&info->common.hw_mac, 0, ETHER_ADDR_LEN);
 447
 448         return 0;
 449 }
 450
 451 static void qed_set_name(struct ecore_dev *edev, char name[NAME_SIZE])
 452 {
 453         int i;
 454
 455         rte_memcpy(edev->name, name, NAME_SIZE);
 456         for_each_hwfn(edev, i) {
 457                 snprintf(edev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
 458         }
 459 }
 460
 461 static uint32_t
 462 qed_sb_init(struct ecore_dev *edev, struct ecore_sb_info *sb_info,
 463             void *sb_virt_addr, dma_addr_t sb_phy_addr,
 464             uint16_t sb_id, enum qed_sb_type type)
 465 {
 466         struct ecore_hwfn *p_hwfn;
 467         int hwfn_index;
 468         uint16_t rel_sb_id;
 469         uint8_t n_hwfns;
 470         uint32_t rc;
 471
 472         /* RoCE uses single engine and CMT uses two engines. When using both
 473          * we force only a single engine. Storage uses only engine 0 too.
 474          */
 475         if (type == QED_SB_TYPE_L2_QUEUE)
 476                 n_hwfns = edev->num_hwfns;
 477         else
 478                 n_hwfns = 1;
 479
 480         hwfn_index = sb_id % n_hwfns;
 481         p_hwfn = &edev->hwfns[hwfn_index];
 482         rel_sb_id = sb_id / n_hwfns;
 483
 484         DP_INFO(edev, "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
 485                 hwfn_index, rel_sb_id, sb_id);
 486
 487         rc = ecore_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
 488                                sb_virt_addr, sb_phy_addr, rel_sb_id);
 489
 490         return rc;
 491 }
 492
 493 static void qed_fill_link(struct ecore_hwfn *hwfn,
 494                           struct qed_link_output *if_link)
 495 {
 496         struct ecore_mcp_link_params params;
 497         struct ecore_mcp_link_state link;
 498         struct ecore_mcp_link_capabilities link_caps;
 499         uint8_t change = 0;
 500
 501         memset(if_link, 0, sizeof(*if_link));
 502
 503         /* Prepare source inputs */
 504         if (IS_PF(hwfn->p_dev)) {
 505                 rte_memcpy(&params, ecore_mcp_get_link_params(hwfn),
 506                        sizeof(params));
 507                 rte_memcpy(&link, ecore_mcp_get_link_state(hwfn), sizeof(link));
 508                 rte_memcpy(&link_caps, ecore_mcp_get_link_capabilities(hwfn),
 509                        sizeof(link_caps));
 510         } else {
 511                 ecore_vf_read_bulletin(hwfn, &change);
 512                 ecore_vf_get_link_params(hwfn, &params);
 513                 ecore_vf_get_link_state(hwfn, &link);
 514                 ecore_vf_get_link_caps(hwfn, &link_caps);
 515         }
 516
 517         /* Set the link parameters to pass to protocol driver */
 518         if (link.link_up)
 519                 if_link->link_up = true;
 520
 521         if (link.link_up)
 522                 if_link->speed = link.speed;
 523
 524         if_link->duplex = QEDE_DUPLEX_FULL;
 525
 526         /* Fill up the native advertised speed cap mask */
 527         if_link->adv_speed = params.speed.advertised_speeds;
 528
 529         if (params.speed.autoneg)
 530                 if_link->supported_caps |= QEDE_SUPPORTED_AUTONEG;
 531
 532         if (params.pause.autoneg || params.pause.forced_rx ||
 533             params.pause.forced_tx)
 534                 if_link->supported_caps |= QEDE_SUPPORTED_PAUSE;
 535
 536         if (params.pause.autoneg)
 537                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
 538
 539         if (params.pause.forced_rx)
 540                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
 541
 542         if (params.pause.forced_tx)
 543                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
 544 }
 545
 546 static void
 547 qed_get_current_link(struct ecore_dev *edev, struct qed_link_output *if_link)
 548 {
 549         qed_fill_link(&edev->hwfns[0], if_link);
 550
 551 #ifdef CONFIG_QED_SRIOV
 552         for_each_hwfn(cdev, i)
 553                 qed_inform_vf_link_state(&cdev->hwfns[i]);
 554 #endif
 555 }
 556
 557 static int qed_set_link(struct ecore_dev *edev, struct qed_link_params *params)
 558 {
 559         struct ecore_hwfn *hwfn;
 560         struct ecore_ptt *ptt;
 561         struct ecore_mcp_link_params *link_params;
 562         int rc;
 563
 564         if (IS_VF(edev))
 565                 return 0;
 566
 567         /* The link should be set only once per PF */
 568         hwfn = &edev->hwfns[0];
 569
 570         ptt = ecore_ptt_acquire(hwfn);
 571         if (!ptt)
 572                 return -EBUSY;
 573
 574         link_params = ecore_mcp_get_link_params(hwfn);
 575         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
 576                 link_params->speed.autoneg = params->autoneg;
 577
 578         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
 579                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
 580                         link_params->pause.autoneg = true;
 581                 else
 582                         link_params->pause.autoneg = false;
 583                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
 584                         link_params->pause.forced_rx = true;
 585                 else
 586                         link_params->pause.forced_rx = false;
 587                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
 588                         link_params->pause.forced_tx = true;
 589                 else
 590                         link_params->pause.forced_tx = false;
 591         }
 592
 593         rc = ecore_mcp_set_link(hwfn, ptt, params->link_up);
 594
 595         ecore_ptt_release(hwfn, ptt);
 596
 597         return rc;
 598 }
 599
 600 void qed_link_update(struct ecore_hwfn *hwfn)
 601 {
 602         struct qed_link_output if_link;
 603
 604         qed_fill_link(hwfn, &if_link);
 605 }
 606
 607 static int qed_drain(struct ecore_dev *edev)
 608 {
 609         struct ecore_hwfn *hwfn;
 610         struct ecore_ptt *ptt;
 611         int i, rc;
 612
 613         if (IS_VF(edev))
 614                 return 0;
 615
 616         for_each_hwfn(edev, i) {
 617                 hwfn = &edev->hwfns[i];
 618                 ptt = ecore_ptt_acquire(hwfn);
 619                 if (!ptt) {
 620                         DP_NOTICE(hwfn, true, "Failed to drain NIG; No PTT\n");
 621                         return -EBUSY;
 622                 }
 623                 rc = ecore_mcp_drain(hwfn, ptt);
 624                 if (rc)
 625                         return rc;
 626                 ecore_ptt_release(hwfn, ptt);
 627         }
 628
 629         return 0;
 630 }
 631
 632 static int qed_nic_stop(struct ecore_dev *edev)
 633 {
 634         int i, rc;
 635
 636         rc = ecore_hw_stop(edev);
 637         for (i = 0; i < edev->num_hwfns; i++) {
 638                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
 639
 640                 if (p_hwfn->b_sp_dpc_enabled)
 641                         p_hwfn->b_sp_dpc_enabled = false;
 642         }
 643         return rc;
 644 }
 645
 646 static int qed_slowpath_stop(struct ecore_dev *edev)
 647 {
 648 #ifdef CONFIG_QED_SRIOV
 649         int i;
 650 #endif
 651
 652         if (!edev)
 653                 return -ENODEV;
 654
 655         if (IS_PF(edev)) {
 656 #ifdef CONFIG_ECORE_ZIPPED_FW
 657                 qed_free_stream_mem(edev);
 658 #endif
 659
 660 #ifdef CONFIG_QED_SRIOV
 661                 if (IS_QED_ETH_IF(edev))
 662                         qed_sriov_disable(edev, true);
 663 #endif
 664         }
 665
 666         qed_nic_stop(edev);
 667
 668         ecore_resc_free(edev);
 669         qed_stop_iov_task(edev);
 670
 671         return 0;
 672 }
 673
 674 static void qed_remove(struct ecore_dev *edev)
 675 {
 676         if (!edev)
 677                 return;
 678
 679         ecore_hw_remove(edev);
 680 }
 681
 682 static int qed_send_drv_state(struct ecore_dev *edev, bool active)
 683 {
 684         struct ecore_hwfn *hwfn = ECORE_LEADING_HWFN(edev);
 685         struct ecore_ptt *ptt;
 686         int status = 0;
 687
 688         ptt = ecore_ptt_acquire(hwfn);
 689         if (!ptt)
 690                 return -EAGAIN;
 691
 692         status = ecore_mcp_ov_update_driver_state(hwfn, ptt, active ?
 693                                                   ECORE_OV_DRIVER_STATE_ACTIVE :
 694                                                 ECORE_OV_DRIVER_STATE_DISABLED);
 695
 696         ecore_ptt_release(hwfn, ptt);
 697
 698         return status;
 699 }
 700
 701 static int qed_get_sb_info(struct ecore_dev *edev, struct ecore_sb_info *sb,
 702                            u16 qid, struct ecore_sb_info_dbg *sb_dbg)
 703 {
 704         struct ecore_hwfn *hwfn = &edev->hwfns[qid % edev->num_hwfns];
 705         struct ecore_ptt *ptt;
 706         int rc;
 707
 708         if (IS_VF(edev))
 709                 return -EINVAL;
 710
 711         ptt = ecore_ptt_acquire(hwfn);
 712         if (!ptt) {
 713                 DP_NOTICE(hwfn, true, "Can't acquire PTT\n");
 714                 return -EAGAIN;
 715         }
 716
 717         memset(sb_dbg, 0, sizeof(*sb_dbg));
 718         rc = ecore_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
 719
 720         ecore_ptt_release(hwfn, ptt);
 721         return rc;
 722 }
 723
 724 const struct qed_common_ops qed_common_ops_pass = {
 725         INIT_STRUCT_FIELD(probe, &qed_probe),
 726         INIT_STRUCT_FIELD(update_pf_params, &qed_update_pf_params),
 727         INIT_STRUCT_FIELD(slowpath_start, &qed_slowpath_start),
 728         INIT_STRUCT_FIELD(set_name, &qed_set_name),
 729         INIT_STRUCT_FIELD(chain_alloc, &ecore_chain_alloc),
 730         INIT_STRUCT_FIELD(chain_free, &ecore_chain_free),
 731         INIT_STRUCT_FIELD(sb_init, &qed_sb_init),
 732         INIT_STRUCT_FIELD(get_sb_info, &qed_get_sb_info),
 733         INIT_STRUCT_FIELD(get_link, &qed_get_current_link),
 734         INIT_STRUCT_FIELD(set_link, &qed_set_link),
 735         INIT_STRUCT_FIELD(drain, &qed_drain),
 736         INIT_STRUCT_FIELD(slowpath_stop, &qed_slowpath_stop),
 737         INIT_STRUCT_FIELD(remove, &qed_remove),
 738         INIT_STRUCT_FIELD(send_drv_state, &qed_send_drv_state),
 739 };