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 static uint8_t npar_tx_switching = 1;
  16
  17 /* Alarm timeout. */
  18 #define QEDE_ALARM_TIMEOUT_US 100000
  19
  20 /* Global variable to hold absolute path of fw file */
  21 char fw_file[PATH_MAX];
  22
  23 const char *QEDE_DEFAULT_FIRMWARE =
  24         "/lib/firmware/qed/qed_init_values-8.18.9.0.bin";
  25
  26 static void
  27 qed_update_pf_params(struct ecore_dev *edev, struct ecore_pf_params *params)
  28 {
  29         int i;
  30
  31         for (i = 0; i < edev->num_hwfns; i++) {
  32                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
  33                 p_hwfn->pf_params = *params;
  34         }
  35 }
  36
  37 static void qed_init_pci(struct ecore_dev *edev, struct rte_pci_device *pci_dev)
  38 {
  39         edev->regview = pci_dev->mem_resource[0].addr;
  40         edev->doorbells = pci_dev->mem_resource[2].addr;
  41 }
  42
  43 static int
  44 qed_probe(struct ecore_dev *edev, struct rte_pci_device *pci_dev,
  45           enum qed_protocol protocol, uint32_t dp_module,
  46           uint8_t dp_level, bool is_vf)
  47 {
  48         struct ecore_hw_prepare_params hw_prepare_params;
  49         struct qede_dev *qdev = (struct qede_dev *)edev;
  50         int rc;
  51
  52         ecore_init_struct(edev);
  53         qdev->protocol = protocol;
  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         bool allow_npar_tx_switching;
 226         const uint8_t *data = NULL;
 227         struct ecore_hwfn *hwfn;
 228         struct ecore_mcp_drv_version drv_version;
 229         struct ecore_hw_init_params hw_init_params;
 230         struct qede_dev *qdev = (struct qede_dev *)edev;
 231         int rc;
 232
 233 #ifdef CONFIG_ECORE_BINARY_FW
 234         if (IS_PF(edev)) {
 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         }
 241 #endif
 242
 243         rc = qed_nic_setup(edev);
 244         if (rc)
 245                 goto err;
 246
 247         /* set int_coalescing_mode */
 248         edev->int_coalescing_mode = ECORE_COAL_MODE_ENABLE;
 249
 250 #ifdef CONFIG_ECORE_ZIPPED_FW
 251         if (IS_PF(edev)) {
 252                 /* Allocate stream for unzipping */
 253                 rc = qed_alloc_stream_mem(edev);
 254                 if (rc) {
 255                         DP_NOTICE(edev, true,
 256                         "Failed to allocate stream memory\n");
 257                         goto err2;
 258                 }
 259         }
 260
 261         qed_start_iov_task(edev);
 262 #endif
 263
 264 #ifdef CONFIG_ECORE_BINARY_FW
 265         if (IS_PF(edev))
 266                 data = (const uint8_t *)edev->firmware + sizeof(u32);
 267 #endif
 268
 269         allow_npar_tx_switching = npar_tx_switching ? true : false;
 270
 271         /* Start the slowpath */
 272         memset(&hw_init_params, 0, sizeof(hw_init_params));
 273         hw_init_params.b_hw_start = true;
 274         hw_init_params.int_mode = ECORE_INT_MODE_MSIX;
 275         hw_init_params.allow_npar_tx_switch = allow_npar_tx_switching;
 276         hw_init_params.bin_fw_data = data;
 277         rc = ecore_hw_init(edev, &hw_init_params);
 278         if (rc) {
 279                 DP_ERR(edev, "ecore_hw_init failed\n");
 280                 goto err2;
 281         }
 282
 283         DP_INFO(edev, "HW inited and function started\n");
 284
 285         if (IS_PF(edev)) {
 286                 hwfn = ECORE_LEADING_HWFN(edev);
 287                 drv_version.version = (params->drv_major << 24) |
 288                     (params->drv_minor << 16) |
 289                     (params->drv_rev << 8) | (params->drv_eng);
 290                 /* TBD: strlcpy() */
 291                 strncpy((char *)drv_version.name, (const char *)params->name,
 292                         MCP_DRV_VER_STR_SIZE - 4);
 293                 rc = ecore_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 294                                                 &drv_version);
 295                 if (rc) {
 296                         DP_NOTICE(edev, true,
 297                                   "Failed sending drv version command\n");
 298                         return rc;
 299                 }
 300         }
 301
 302         ecore_reset_vport_stats(edev);
 303
 304         return 0;
 305
 306         ecore_hw_stop(edev);
 307 err2:
 308         ecore_resc_free(edev);
 309 err:
 310 #ifdef CONFIG_ECORE_BINARY_FW
 311         if (IS_PF(edev)) {
 312                 if (edev->firmware)
 313                         rte_free(edev->firmware);
 314                 edev->firmware = NULL;
 315         }
 316 #endif
 317         qed_stop_iov_task(edev);
 318
 319         return rc;
 320 }
 321
 322 static int
 323 qed_fill_dev_info(struct ecore_dev *edev, struct qed_dev_info *dev_info)
 324 {
 325         struct ecore_ptt *ptt = NULL;
 326
 327         memset(dev_info, 0, sizeof(struct qed_dev_info));
 328         dev_info->num_hwfns = edev->num_hwfns;
 329         dev_info->is_mf_default = IS_MF_DEFAULT(&edev->hwfns[0]);
 330         rte_memcpy(&dev_info->hw_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 331                ETHER_ADDR_LEN);
 332
 333         if (IS_PF(edev)) {
 334                 dev_info->fw_major = FW_MAJOR_VERSION;
 335                 dev_info->fw_minor = FW_MINOR_VERSION;
 336                 dev_info->fw_rev = FW_REVISION_VERSION;
 337                 dev_info->fw_eng = FW_ENGINEERING_VERSION;
 338                 dev_info->mf_mode = edev->mf_mode;
 339                 dev_info->tx_switching = false;
 340         } else {
 341                 ecore_vf_get_fw_version(&edev->hwfns[0], &dev_info->fw_major,
 342                                         &dev_info->fw_minor, &dev_info->fw_rev,
 343                                         &dev_info->fw_eng);
 344         }
 345
 346         if (IS_PF(edev)) {
 347                 ptt = ecore_ptt_acquire(ECORE_LEADING_HWFN(edev));
 348                 if (ptt) {
 349                         ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 350                                               &dev_info->mfw_rev, NULL);
 351
 352                         ecore_mcp_get_flash_size(ECORE_LEADING_HWFN(edev), ptt,
 353                                                  &dev_info->flash_size);
 354
 355                         /* Workaround to allow PHY-read commands for
 356                          * B0 bringup.
 357                          */
 358                         if (ECORE_IS_BB_B0(edev))
 359                                 dev_info->flash_size = 0xffffffff;
 360
 361                         ecore_ptt_release(ECORE_LEADING_HWFN(edev), ptt);
 362                 }
 363         } else {
 364                 ecore_mcp_get_mfw_ver(ECORE_LEADING_HWFN(edev), ptt,
 365                                       &dev_info->mfw_rev, NULL);
 366         }
 367
 368         dev_info->mtu = ECORE_LEADING_HWFN(edev)->hw_info.mtu;
 369
 370         return 0;
 371 }
 372
 373 int
 374 qed_fill_eth_dev_info(struct ecore_dev *edev, struct qed_dev_eth_info *info)
 375 {
 376         struct qede_dev *qdev = (struct qede_dev *)edev;
 377         uint8_t queues = 0;
 378         int i;
 379
 380         memset(info, 0, sizeof(*info));
 381
 382         info->num_tc = 1 /* @@@TBD aelior MULTI_COS */;
 383
 384         if (IS_PF(edev)) {
 385                 int max_vf_vlan_filters = 0;
 386
 387                 info->num_queues = 0;
 388                 for_each_hwfn(edev, i)
 389                         info->num_queues +=
 390                         FEAT_NUM(&edev->hwfns[i], ECORE_PF_L2_QUE);
 391
 392                 if (edev->p_iov_info)
 393                         max_vf_vlan_filters = edev->p_iov_info->total_vfs *
 394                                               ECORE_ETH_VF_NUM_VLAN_FILTERS;
 395                 info->num_vlan_filters = RESC_NUM(&edev->hwfns[0], ECORE_VLAN) -
 396                                          max_vf_vlan_filters;
 397
 398                 rte_memcpy(&info->port_mac, &edev->hwfns[0].hw_info.hw_mac_addr,
 399                            ETHER_ADDR_LEN);
 400         } else {
 401                 ecore_vf_get_num_rxqs(ECORE_LEADING_HWFN(edev),
 402                                       &info->num_queues);
 403                 if (edev->num_hwfns > 1) {
 404                         ecore_vf_get_num_rxqs(&edev->hwfns[1], &queues);
 405                         info->num_queues += queues;
 406                 }
 407
 408                 ecore_vf_get_num_vlan_filters(&edev->hwfns[0],
 409                                               (u8 *)&info->num_vlan_filters);
 410
 411                 ecore_vf_get_port_mac(&edev->hwfns[0],
 412                                       (uint8_t *)&info->port_mac);
 413
 414                 info->is_legacy = ecore_vf_get_pre_fp_hsi(&edev->hwfns[0]);
 415         }
 416
 417         qed_fill_dev_info(edev, &info->common);
 418
 419         if (IS_VF(edev))
 420                 memset(&info->common.hw_mac, 0, ETHER_ADDR_LEN);
 421
 422         return 0;
 423 }
 424
 425 static void
 426 qed_set_id(struct ecore_dev *edev, char name[NAME_SIZE],
 427            const char ver_str[NAME_SIZE])
 428 {
 429         int i;
 430
 431         rte_memcpy(edev->name, name, NAME_SIZE);
 432         for_each_hwfn(edev, i) {
 433                 snprintf(edev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
 434         }
 435         memcpy(edev->ver_str, ver_str, NAME_SIZE);
 436         edev->drv_type = DRV_ID_DRV_TYPE_LINUX;
 437 }
 438
 439 static uint32_t
 440 qed_sb_init(struct ecore_dev *edev, struct ecore_sb_info *sb_info,
 441             void *sb_virt_addr, dma_addr_t sb_phy_addr,
 442             uint16_t sb_id, enum qed_sb_type type)
 443 {
 444         struct ecore_hwfn *p_hwfn;
 445         int hwfn_index;
 446         uint16_t rel_sb_id;
 447         uint8_t n_hwfns;
 448         uint32_t rc;
 449
 450         /* RoCE uses single engine and CMT uses two engines. When using both
 451          * we force only a single engine. Storage uses only engine 0 too.
 452          */
 453         if (type == QED_SB_TYPE_L2_QUEUE)
 454                 n_hwfns = edev->num_hwfns;
 455         else
 456                 n_hwfns = 1;
 457
 458         hwfn_index = sb_id % n_hwfns;
 459         p_hwfn = &edev->hwfns[hwfn_index];
 460         rel_sb_id = sb_id / n_hwfns;
 461
 462         DP_INFO(edev, "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
 463                 hwfn_index, rel_sb_id, sb_id);
 464
 465         rc = ecore_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
 466                                sb_virt_addr, sb_phy_addr, rel_sb_id);
 467
 468         return rc;
 469 }
 470
 471 static void qed_fill_link(struct ecore_hwfn *hwfn,
 472                           struct qed_link_output *if_link)
 473 {
 474         struct ecore_mcp_link_params params;
 475         struct ecore_mcp_link_state link;
 476         struct ecore_mcp_link_capabilities link_caps;
 477         uint32_t media_type;
 478         uint8_t change = 0;
 479
 480         memset(if_link, 0, sizeof(*if_link));
 481
 482         /* Prepare source inputs */
 483         if (IS_PF(hwfn->p_dev)) {
 484                 rte_memcpy(&params, ecore_mcp_get_link_params(hwfn),
 485                        sizeof(params));
 486                 rte_memcpy(&link, ecore_mcp_get_link_state(hwfn), sizeof(link));
 487                 rte_memcpy(&link_caps, ecore_mcp_get_link_capabilities(hwfn),
 488                        sizeof(link_caps));
 489         } else {
 490                 ecore_vf_read_bulletin(hwfn, &change);
 491                 ecore_vf_get_link_params(hwfn, &params);
 492                 ecore_vf_get_link_state(hwfn, &link);
 493                 ecore_vf_get_link_caps(hwfn, &link_caps);
 494         }
 495
 496         /* Set the link parameters to pass to protocol driver */
 497         if (link.link_up)
 498                 if_link->link_up = true;
 499
 500         if (link.link_up)
 501                 if_link->speed = link.speed;
 502
 503         if_link->duplex = QEDE_DUPLEX_FULL;
 504
 505         /* Fill up the native advertised speed cap mask */
 506         if_link->adv_speed = params.speed.advertised_speeds;
 507
 508         if (params.speed.autoneg)
 509                 if_link->supported_caps |= QEDE_SUPPORTED_AUTONEG;
 510
 511         if (params.pause.autoneg || params.pause.forced_rx ||
 512             params.pause.forced_tx)
 513                 if_link->supported_caps |= QEDE_SUPPORTED_PAUSE;
 514
 515         if (params.pause.autoneg)
 516                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
 517
 518         if (params.pause.forced_rx)
 519                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
 520
 521         if (params.pause.forced_tx)
 522                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
 523 }
 524
 525 static void
 526 qed_get_current_link(struct ecore_dev *edev, struct qed_link_output *if_link)
 527 {
 528         qed_fill_link(&edev->hwfns[0], if_link);
 529
 530 #ifdef CONFIG_QED_SRIOV
 531         for_each_hwfn(cdev, i)
 532                 qed_inform_vf_link_state(&cdev->hwfns[i]);
 533 #endif
 534 }
 535
 536 static int qed_set_link(struct ecore_dev *edev, struct qed_link_params *params)
 537 {
 538         struct ecore_hwfn *hwfn;
 539         struct ecore_ptt *ptt;
 540         struct ecore_mcp_link_params *link_params;
 541         int rc;
 542
 543         if (IS_VF(edev))
 544                 return 0;
 545
 546         /* The link should be set only once per PF */
 547         hwfn = &edev->hwfns[0];
 548
 549         ptt = ecore_ptt_acquire(hwfn);
 550         if (!ptt)
 551                 return -EBUSY;
 552
 553         link_params = ecore_mcp_get_link_params(hwfn);
 554         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
 555                 link_params->speed.autoneg = params->autoneg;
 556
 557         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
 558                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
 559                         link_params->pause.autoneg = true;
 560                 else
 561                         link_params->pause.autoneg = false;
 562                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
 563                         link_params->pause.forced_rx = true;
 564                 else
 565                         link_params->pause.forced_rx = false;
 566                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
 567                         link_params->pause.forced_tx = true;
 568                 else
 569                         link_params->pause.forced_tx = false;
 570         }
 571
 572         rc = ecore_mcp_set_link(hwfn, ptt, params->link_up);
 573
 574         ecore_ptt_release(hwfn, ptt);
 575
 576         return rc;
 577 }
 578
 579 void qed_link_update(struct ecore_hwfn *hwfn)
 580 {
 581         struct qed_link_output if_link;
 582
 583         qed_fill_link(hwfn, &if_link);
 584 }
 585
 586 static int qed_drain(struct ecore_dev *edev)
 587 {
 588         struct ecore_hwfn *hwfn;
 589         struct ecore_ptt *ptt;
 590         int i, rc;
 591
 592         if (IS_VF(edev))
 593                 return 0;
 594
 595         for_each_hwfn(edev, i) {
 596                 hwfn = &edev->hwfns[i];
 597                 ptt = ecore_ptt_acquire(hwfn);
 598                 if (!ptt) {
 599                         DP_NOTICE(hwfn, true, "Failed to drain NIG; No PTT\n");
 600                         return -EBUSY;
 601                 }
 602                 rc = ecore_mcp_drain(hwfn, ptt);
 603                 if (rc)
 604                         return rc;
 605                 ecore_ptt_release(hwfn, ptt);
 606         }
 607
 608         return 0;
 609 }
 610
 611 static int qed_nic_stop(struct ecore_dev *edev)
 612 {
 613         int i, rc;
 614
 615         rc = ecore_hw_stop(edev);
 616         for (i = 0; i < edev->num_hwfns; i++) {
 617                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
 618
 619                 if (p_hwfn->b_sp_dpc_enabled)
 620                         p_hwfn->b_sp_dpc_enabled = false;
 621         }
 622         return rc;
 623 }
 624
 625 static int qed_nic_reset(struct ecore_dev *edev)
 626 {
 627         int rc;
 628
 629         rc = ecore_hw_reset(edev);
 630         if (rc)
 631                 return rc;
 632
 633         ecore_resc_free(edev);
 634
 635         return 0;
 636 }
 637
 638 static int qed_slowpath_stop(struct ecore_dev *edev)
 639 {
 640 #ifdef CONFIG_QED_SRIOV
 641         int i;
 642 #endif
 643
 644         if (!edev)
 645                 return -ENODEV;
 646
 647         if (IS_PF(edev)) {
 648 #ifdef CONFIG_ECORE_ZIPPED_FW
 649                 qed_free_stream_mem(edev);
 650 #endif
 651
 652 #ifdef CONFIG_QED_SRIOV
 653                 if (IS_QED_ETH_IF(edev))
 654                         qed_sriov_disable(edev, true);
 655 #endif
 656                 qed_nic_stop(edev);
 657         }
 658
 659         qed_nic_reset(edev);
 660         qed_stop_iov_task(edev);
 661
 662         return 0;
 663 }
 664
 665 static void qed_remove(struct ecore_dev *edev)
 666 {
 667         if (!edev)
 668                 return;
 669
 670         ecore_hw_remove(edev);
 671 }
 672
 673 static int qed_send_drv_state(struct ecore_dev *edev, bool active)
 674 {
 675         struct ecore_hwfn *hwfn = ECORE_LEADING_HWFN(edev);
 676         struct ecore_ptt *ptt;
 677         int status = 0;
 678
 679         ptt = ecore_ptt_acquire(hwfn);
 680         if (!ptt)
 681                 return -EAGAIN;
 682
 683         status = ecore_mcp_ov_update_driver_state(hwfn, ptt, active ?
 684                                                   ECORE_OV_DRIVER_STATE_ACTIVE :
 685                                                 ECORE_OV_DRIVER_STATE_DISABLED);
 686
 687         ecore_ptt_release(hwfn, ptt);
 688
 689         return status;
 690 }
 691
 692 static int qed_get_sb_info(struct ecore_dev *edev, struct ecore_sb_info *sb,
 693                            u16 qid, struct ecore_sb_info_dbg *sb_dbg)
 694 {
 695         struct ecore_hwfn *hwfn = &edev->hwfns[qid % edev->num_hwfns];
 696         struct ecore_ptt *ptt;
 697         int rc;
 698
 699         if (IS_VF(edev))
 700                 return -EINVAL;
 701
 702         ptt = ecore_ptt_acquire(hwfn);
 703         if (!ptt) {
 704                 DP_NOTICE(hwfn, true, "Can't acquire PTT\n");
 705                 return -EAGAIN;
 706         }
 707
 708         memset(sb_dbg, 0, sizeof(*sb_dbg));
 709         rc = ecore_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);
 710
 711         ecore_ptt_release(hwfn, ptt);
 712         return rc;
 713 }
 714
 715 const struct qed_common_ops qed_common_ops_pass = {
 716         INIT_STRUCT_FIELD(probe, &qed_probe),
 717         INIT_STRUCT_FIELD(update_pf_params, &qed_update_pf_params),
 718         INIT_STRUCT_FIELD(slowpath_start, &qed_slowpath_start),
 719         INIT_STRUCT_FIELD(set_id, &qed_set_id),
 720         INIT_STRUCT_FIELD(chain_alloc, &ecore_chain_alloc),
 721         INIT_STRUCT_FIELD(chain_free, &ecore_chain_free),
 722         INIT_STRUCT_FIELD(sb_init, &qed_sb_init),
 723         INIT_STRUCT_FIELD(get_link, &qed_get_current_link),
 724         INIT_STRUCT_FIELD(set_link, &qed_set_link),
 725         INIT_STRUCT_FIELD(drain, &qed_drain),
 726         INIT_STRUCT_FIELD(slowpath_stop, &qed_slowpath_stop),
 727         INIT_STRUCT_FIELD(remove, &qed_remove),
 728         INIT_STRUCT_FIELD(send_drv_state, &qed_send_drv_state),
 729 };