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

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #include <linux/stddef.h>
  10 #include <linux/pci.h>
  11 #include <linux/kernel.h>
  12 #include <linux/slab.h>
  13 #include <linux/version.h>
  14 #include <linux/delay.h>
  15 #include <asm/byteorder.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/string.h>
  18 #include <linux/module.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/ethtool.h>
  22 #include <linux/etherdevice.h>
  23 #include <linux/vmalloc.h>
  24 #include <linux/qed/qed_if.h>
  25 #include <linux/qed/qed_ll2_if.h>
  26
  27 #include "qed.h"
  28 #include "qed_sriov.h"
  29 #include "qed_sp.h"
  30 #include "qed_dev_api.h"
  31 #include "qed_ll2.h"
  32 #include "qed_mcp.h"
  33 #include "qed_hw.h"
  34 #include "qed_selftest.h"
  35
  36 #define QED_ROCE_QPS                    (8192)
  37 #define QED_ROCE_DPIS                   (8)
  38
  39 static char version[] =
  40         "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  41
  42 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  43 MODULE_LICENSE("GPL");
  44 MODULE_VERSION(DRV_MODULE_VERSION);
  45
  46 #define FW_FILE_VERSION                         \
  47         __stringify(FW_MAJOR_VERSION) "."       \
  48         __stringify(FW_MINOR_VERSION) "."       \
  49         __stringify(FW_REVISION_VERSION) "."    \
  50         __stringify(FW_ENGINEERING_VERSION)
  51
  52 #define QED_FW_FILE_NAME        \
  53         "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
  54
  55 MODULE_FIRMWARE(QED_FW_FILE_NAME);
  56
  57 static int __init qed_init(void)
  58 {
  59         pr_info("%s", version);
  60
  61         return 0;
  62 }
  63
  64 static void __exit qed_cleanup(void)
  65 {
  66         pr_notice("qed_cleanup called\n");
  67 }
  68
  69 module_init(qed_init);
  70 module_exit(qed_cleanup);
  71
  72 /* Check if the DMA controller on the machine can properly handle the DMA
  73  * addressing required by the device.
  74 */
  75 static int qed_set_coherency_mask(struct qed_dev *cdev)
  76 {
  77         struct device *dev = &cdev->pdev->dev;
  78
  79         if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
  80                 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
  81                         DP_NOTICE(cdev,
  82                                   "Can't request 64-bit consistent allocations\n");
  83                         return -EIO;
  84                 }
  85         } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
  86                 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
  87                 return -EIO;
  88         }
  89
  90         return 0;
  91 }
  92
  93 static void qed_free_pci(struct qed_dev *cdev)
  94 {
  95         struct pci_dev *pdev = cdev->pdev;
  96
  97         if (cdev->doorbells)
  98                 iounmap(cdev->doorbells);
  99         if (cdev->regview)
 100                 iounmap(cdev->regview);
 101         if (atomic_read(&pdev->enable_cnt) == 1)
 102                 pci_release_regions(pdev);
 103
 104         pci_disable_device(pdev);
 105 }
 106
 107 #define PCI_REVISION_ID_ERROR_VAL       0xff
 108
 109 /* Performs PCI initializations as well as initializing PCI-related parameters
 110  * in the device structrue. Returns 0 in case of success.
 111  */
 112 static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
 113 {
 114         u8 rev_id;
 115         int rc;
 116
 117         cdev->pdev = pdev;
 118
 119         rc = pci_enable_device(pdev);
 120         if (rc) {
 121                 DP_NOTICE(cdev, "Cannot enable PCI device\n");
 122                 goto err0;
 123         }
 124
 125         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 126                 DP_NOTICE(cdev, "No memory region found in bar #0\n");
 127                 rc = -EIO;
 128                 goto err1;
 129         }
 130
 131         if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
 132                 DP_NOTICE(cdev, "No memory region found in bar #2\n");
 133                 rc = -EIO;
 134                 goto err1;
 135         }
 136
 137         if (atomic_read(&pdev->enable_cnt) == 1) {
 138                 rc = pci_request_regions(pdev, "qed");
 139                 if (rc) {
 140                         DP_NOTICE(cdev,
 141                                   "Failed to request PCI memory resources\n");
 142                         goto err1;
 143                 }
 144                 pci_set_master(pdev);
 145                 pci_save_state(pdev);
 146         }
 147
 148         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
 149         if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
 150                 DP_NOTICE(cdev,
 151                           "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
 152                           rev_id);
 153                 rc = -ENODEV;
 154                 goto err2;
 155         }
 156         if (!pci_is_pcie(pdev)) {
 157                 DP_NOTICE(cdev, "The bus is not PCI Express\n");
 158                 rc = -EIO;
 159                 goto err2;
 160         }
 161
 162         cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
 163         if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
 164                 DP_NOTICE(cdev, "Cannot find power management capability\n");
 165
 166         rc = qed_set_coherency_mask(cdev);
 167         if (rc)
 168                 goto err2;
 169
 170         cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
 171         cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
 172         cdev->pci_params.irq = pdev->irq;
 173
 174         cdev->regview = pci_ioremap_bar(pdev, 0);
 175         if (!cdev->regview) {
 176                 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
 177                 rc = -ENOMEM;
 178                 goto err2;
 179         }
 180
 181         if (IS_PF(cdev)) {
 182                 cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
 183                 cdev->db_size = pci_resource_len(cdev->pdev, 2);
 184                 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
 185                 if (!cdev->doorbells) {
 186                         DP_NOTICE(cdev, "Cannot map doorbell space\n");
 187                         return -ENOMEM;
 188                 }
 189         }
 190
 191         return 0;
 192
 193 err2:
 194         pci_release_regions(pdev);
 195 err1:
 196         pci_disable_device(pdev);
 197 err0:
 198         return rc;
 199 }
 200
 201 int qed_fill_dev_info(struct qed_dev *cdev,
 202                       struct qed_dev_info *dev_info)
 203 {
 204         struct qed_ptt  *ptt;
 205
 206         memset(dev_info, 0, sizeof(struct qed_dev_info));
 207
 208         dev_info->num_hwfns = cdev->num_hwfns;
 209         dev_info->pci_mem_start = cdev->pci_params.mem_start;
 210         dev_info->pci_mem_end = cdev->pci_params.mem_end;
 211         dev_info->pci_irq = cdev->pci_params.irq;
 212         dev_info->rdma_supported = (cdev->hwfns[0].hw_info.personality ==
 213                                     QED_PCI_ETH_ROCE);
 214         dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
 215         ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
 216
 217         if (IS_PF(cdev)) {
 218                 dev_info->fw_major = FW_MAJOR_VERSION;
 219                 dev_info->fw_minor = FW_MINOR_VERSION;
 220                 dev_info->fw_rev = FW_REVISION_VERSION;
 221                 dev_info->fw_eng = FW_ENGINEERING_VERSION;
 222                 dev_info->mf_mode = cdev->mf_mode;
 223                 dev_info->tx_switching = true;
 224         } else {
 225                 qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
 226                                       &dev_info->fw_minor, &dev_info->fw_rev,
 227                                       &dev_info->fw_eng);
 228         }
 229
 230         if (IS_PF(cdev)) {
 231                 ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
 232                 if (ptt) {
 233                         qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
 234                                             &dev_info->mfw_rev, NULL);
 235
 236                         qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
 237                                                &dev_info->flash_size);
 238
 239                         qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
 240                 }
 241         } else {
 242                 qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
 243                                     &dev_info->mfw_rev, NULL);
 244         }
 245
 246         return 0;
 247 }
 248
 249 static void qed_free_cdev(struct qed_dev *cdev)
 250 {
 251         kfree((void *)cdev);
 252 }
 253
 254 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
 255 {
 256         struct qed_dev *cdev;
 257
 258         cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
 259         if (!cdev)
 260                 return cdev;
 261
 262         qed_init_struct(cdev);
 263
 264         return cdev;
 265 }
 266
 267 /* Sets the requested power state */
 268 static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
 269 {
 270         if (!cdev)
 271                 return -ENODEV;
 272
 273         DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
 274         return 0;
 275 }
 276
 277 /* probing */
 278 static struct qed_dev *qed_probe(struct pci_dev *pdev,
 279                                  struct qed_probe_params *params)
 280 {
 281         struct qed_dev *cdev;
 282         int rc;
 283
 284         cdev = qed_alloc_cdev(pdev);
 285         if (!cdev)
 286                 goto err0;
 287
 288         cdev->protocol = params->protocol;
 289
 290         if (params->is_vf)
 291                 cdev->b_is_vf = true;
 292
 293         qed_init_dp(cdev, params->dp_module, params->dp_level);
 294
 295         rc = qed_init_pci(cdev, pdev);
 296         if (rc) {
 297                 DP_ERR(cdev, "init pci failed\n");
 298                 goto err1;
 299         }
 300         DP_INFO(cdev, "PCI init completed successfully\n");
 301
 302         rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
 303         if (rc) {
 304                 DP_ERR(cdev, "hw prepare failed\n");
 305                 goto err2;
 306         }
 307
 308         DP_INFO(cdev, "qed_probe completed successffuly\n");
 309
 310         return cdev;
 311
 312 err2:
 313         qed_free_pci(cdev);
 314 err1:
 315         qed_free_cdev(cdev);
 316 err0:
 317         return NULL;
 318 }
 319
 320 static void qed_remove(struct qed_dev *cdev)
 321 {
 322         if (!cdev)
 323                 return;
 324
 325         qed_hw_remove(cdev);
 326
 327         qed_free_pci(cdev);
 328
 329         qed_set_power_state(cdev, PCI_D3hot);
 330
 331         qed_free_cdev(cdev);
 332 }
 333
 334 static void qed_disable_msix(struct qed_dev *cdev)
 335 {
 336         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 337                 pci_disable_msix(cdev->pdev);
 338                 kfree(cdev->int_params.msix_table);
 339         } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
 340                 pci_disable_msi(cdev->pdev);
 341         }
 342
 343         memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
 344 }
 345
 346 static int qed_enable_msix(struct qed_dev *cdev,
 347                            struct qed_int_params *int_params)
 348 {
 349         int i, rc, cnt;
 350
 351         cnt = int_params->in.num_vectors;
 352
 353         for (i = 0; i < cnt; i++)
 354                 int_params->msix_table[i].entry = i;
 355
 356         rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
 357                                    int_params->in.min_msix_cnt, cnt);
 358         if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
 359             (rc % cdev->num_hwfns)) {
 360                 pci_disable_msix(cdev->pdev);
 361
 362                 /* If fastpath is initialized, we need at least one interrupt
 363                  * per hwfn [and the slow path interrupts]. New requested number
 364                  * should be a multiple of the number of hwfns.
 365                  */
 366                 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
 367                 DP_NOTICE(cdev,
 368                           "Trying to enable MSI-X with less vectors (%d out of %d)\n",
 369                           cnt, int_params->in.num_vectors);
 370                 rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
 371                                            cnt);
 372                 if (!rc)
 373                         rc = cnt;
 374         }
 375
 376         if (rc > 0) {
 377                 /* MSI-x configuration was achieved */
 378                 int_params->out.int_mode = QED_INT_MODE_MSIX;
 379                 int_params->out.num_vectors = rc;
 380                 rc = 0;
 381         } else {
 382                 DP_NOTICE(cdev,
 383                           "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
 384                           cnt, rc);
 385         }
 386
 387         return rc;
 388 }
 389
 390 /* This function outputs the int mode and the number of enabled msix vector */
 391 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
 392 {
 393         struct qed_int_params *int_params = &cdev->int_params;
 394         struct msix_entry *tbl;
 395         int rc = 0, cnt;
 396
 397         switch (int_params->in.int_mode) {
 398         case QED_INT_MODE_MSIX:
 399                 /* Allocate MSIX table */
 400                 cnt = int_params->in.num_vectors;
 401                 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
 402                 if (!int_params->msix_table) {
 403                         rc = -ENOMEM;
 404                         goto out;
 405                 }
 406
 407                 /* Enable MSIX */
 408                 rc = qed_enable_msix(cdev, int_params);
 409                 if (!rc)
 410                         goto out;
 411
 412                 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
 413                 kfree(int_params->msix_table);
 414                 if (force_mode)
 415                         goto out;
 416                 /* Fallthrough */
 417
 418         case QED_INT_MODE_MSI:
 419                 if (cdev->num_hwfns == 1) {
 420                         rc = pci_enable_msi(cdev->pdev);
 421                         if (!rc) {
 422                                 int_params->out.int_mode = QED_INT_MODE_MSI;
 423                                 goto out;
 424                         }
 425
 426                         DP_NOTICE(cdev, "Failed to enable MSI\n");
 427                         if (force_mode)
 428                                 goto out;
 429                 }
 430                 /* Fallthrough */
 431
 432         case QED_INT_MODE_INTA:
 433                         int_params->out.int_mode = QED_INT_MODE_INTA;
 434                         rc = 0;
 435                         goto out;
 436         default:
 437                 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
 438                           int_params->in.int_mode);
 439                 rc = -EINVAL;
 440         }
 441
 442 out:
 443         if (!rc)
 444                 DP_INFO(cdev, "Using %s interrupts\n",
 445                         int_params->out.int_mode == QED_INT_MODE_INTA ?
 446                         "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
 447                         "MSI" : "MSIX");
 448         cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
 449
 450         return rc;
 451 }
 452
 453 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
 454                                     int index, void(*handler)(void *))
 455 {
 456         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 457         int relative_idx = index / cdev->num_hwfns;
 458
 459         hwfn->simd_proto_handler[relative_idx].func = handler;
 460         hwfn->simd_proto_handler[relative_idx].token = token;
 461 }
 462
 463 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
 464 {
 465         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 466         int relative_idx = index / cdev->num_hwfns;
 467
 468         memset(&hwfn->simd_proto_handler[relative_idx], 0,
 469                sizeof(struct qed_simd_fp_handler));
 470 }
 471
 472 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
 473 {
 474         tasklet_schedule((struct tasklet_struct *)tasklet);
 475         return IRQ_HANDLED;
 476 }
 477
 478 static irqreturn_t qed_single_int(int irq, void *dev_instance)
 479 {
 480         struct qed_dev *cdev = (struct qed_dev *)dev_instance;
 481         struct qed_hwfn *hwfn;
 482         irqreturn_t rc = IRQ_NONE;
 483         u64 status;
 484         int i, j;
 485
 486         for (i = 0; i < cdev->num_hwfns; i++) {
 487                 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
 488
 489                 if (!status)
 490                         continue;
 491
 492                 hwfn = &cdev->hwfns[i];
 493
 494                 /* Slowpath interrupt */
 495                 if (unlikely(status & 0x1)) {
 496                         tasklet_schedule(hwfn->sp_dpc);
 497                         status &= ~0x1;
 498                         rc = IRQ_HANDLED;
 499                 }
 500
 501                 /* Fastpath interrupts */
 502                 for (j = 0; j < 64; j++) {
 503                         if ((0x2ULL << j) & status) {
 504                                 hwfn->simd_proto_handler[j].func(
 505                                         hwfn->simd_proto_handler[j].token);
 506                                 status &= ~(0x2ULL << j);
 507                                 rc = IRQ_HANDLED;
 508                         }
 509                 }
 510
 511                 if (unlikely(status))
 512                         DP_VERBOSE(hwfn, NETIF_MSG_INTR,
 513                                    "got an unknown interrupt status 0x%llx\n",
 514                                    status);
 515         }
 516
 517         return rc;
 518 }
 519
 520 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
 521 {
 522         struct qed_dev *cdev = hwfn->cdev;
 523         u32 int_mode;
 524         int rc = 0;
 525         u8 id;
 526
 527         int_mode = cdev->int_params.out.int_mode;
 528         if (int_mode == QED_INT_MODE_MSIX) {
 529                 id = hwfn->my_id;
 530                 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
 531                          id, cdev->pdev->bus->number,
 532                          PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
 533                 rc = request_irq(cdev->int_params.msix_table[id].vector,
 534                                  qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
 535         } else {
 536                 unsigned long flags = 0;
 537
 538                 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
 539                          cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
 540                          PCI_FUNC(cdev->pdev->devfn));
 541
 542                 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
 543                         flags |= IRQF_SHARED;
 544
 545                 rc = request_irq(cdev->pdev->irq, qed_single_int,
 546                                  flags, cdev->name, cdev);
 547         }
 548
 549         if (rc)
 550                 DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
 551         else
 552                 DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
 553                            "Requested slowpath %s\n",
 554                            (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
 555
 556         return rc;
 557 }
 558
 559 static void qed_slowpath_irq_free(struct qed_dev *cdev)
 560 {
 561         int i;
 562
 563         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 564                 for_each_hwfn(cdev, i) {
 565                         if (!cdev->hwfns[i].b_int_requested)
 566                                 break;
 567                         synchronize_irq(cdev->int_params.msix_table[i].vector);
 568                         free_irq(cdev->int_params.msix_table[i].vector,
 569                                  cdev->hwfns[i].sp_dpc);
 570                 }
 571         } else {
 572                 if (QED_LEADING_HWFN(cdev)->b_int_requested)
 573                         free_irq(cdev->pdev->irq, cdev);
 574         }
 575         qed_int_disable_post_isr_release(cdev);
 576 }
 577
 578 static int qed_nic_stop(struct qed_dev *cdev)
 579 {
 580         int i, rc;
 581
 582         rc = qed_hw_stop(cdev);
 583
 584         for (i = 0; i < cdev->num_hwfns; i++) {
 585                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 586
 587                 if (p_hwfn->b_sp_dpc_enabled) {
 588                         tasklet_disable(p_hwfn->sp_dpc);
 589                         p_hwfn->b_sp_dpc_enabled = false;
 590                         DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
 591                                    "Disabled sp taskelt [hwfn %d] at %p\n",
 592                                    i, p_hwfn->sp_dpc);
 593                 }
 594         }
 595
 596         qed_dbg_pf_exit(cdev);
 597
 598         return rc;
 599 }
 600
 601 static int qed_nic_reset(struct qed_dev *cdev)
 602 {
 603         int rc;
 604
 605         rc = qed_hw_reset(cdev);
 606         if (rc)
 607                 return rc;
 608
 609         qed_resc_free(cdev);
 610
 611         return 0;
 612 }
 613
 614 static int qed_nic_setup(struct qed_dev *cdev)
 615 {
 616         int rc, i;
 617
 618         /* Determine if interface is going to require LL2 */
 619         if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
 620                 for (i = 0; i < cdev->num_hwfns; i++) {
 621                         struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 622
 623                         p_hwfn->using_ll2 = true;
 624                 }
 625         }
 626
 627         rc = qed_resc_alloc(cdev);
 628         if (rc)
 629                 return rc;
 630
 631         DP_INFO(cdev, "Allocated qed resources\n");
 632
 633         qed_resc_setup(cdev);
 634
 635         return rc;
 636 }
 637
 638 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
 639 {
 640         int limit = 0;
 641
 642         /* Mark the fastpath as free/used */
 643         cdev->int_params.fp_initialized = cnt ? true : false;
 644
 645         if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
 646                 limit = cdev->num_hwfns * 63;
 647         else if (cdev->int_params.fp_msix_cnt)
 648                 limit = cdev->int_params.fp_msix_cnt;
 649
 650         if (!limit)
 651                 return -ENOMEM;
 652
 653         return min_t(int, cnt, limit);
 654 }
 655
 656 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
 657 {
 658         memset(info, 0, sizeof(struct qed_int_info));
 659
 660         if (!cdev->int_params.fp_initialized) {
 661                 DP_INFO(cdev,
 662                         "Protocol driver requested interrupt information, but its support is not yet configured\n");
 663                 return -EINVAL;
 664         }
 665
 666         /* Need to expose only MSI-X information; Single IRQ is handled solely
 667          * by qed.
 668          */
 669         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 670                 int msix_base = cdev->int_params.fp_msix_base;
 671
 672                 info->msix_cnt = cdev->int_params.fp_msix_cnt;
 673                 info->msix = &cdev->int_params.msix_table[msix_base];
 674         }
 675
 676         return 0;
 677 }
 678
 679 static int qed_slowpath_setup_int(struct qed_dev *cdev,
 680                                   enum qed_int_mode int_mode)
 681 {
 682         struct qed_sb_cnt_info sb_cnt_info;
 683         int num_l2_queues = 0;
 684         int rc;
 685         int i;
 686
 687         if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
 688                 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
 689                 return -EINVAL;
 690         }
 691
 692         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
 693         cdev->int_params.in.int_mode = int_mode;
 694         for_each_hwfn(cdev, i) {
 695                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
 696                 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
 697                 cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
 698                 cdev->int_params.in.num_vectors++; /* slowpath */
 699         }
 700
 701         /* We want a minimum of one slowpath and one fastpath vector per hwfn */
 702         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
 703
 704         rc = qed_set_int_mode(cdev, false);
 705         if (rc)  {
 706                 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
 707                 return rc;
 708         }
 709
 710         cdev->int_params.fp_msix_base = cdev->num_hwfns;
 711         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
 712                                        cdev->num_hwfns;
 713
 714         if (!IS_ENABLED(CONFIG_QED_RDMA))
 715                 return 0;
 716
 717         for_each_hwfn(cdev, i)
 718                 num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
 719
 720         DP_VERBOSE(cdev, QED_MSG_RDMA,
 721                    "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
 722                    cdev->int_params.fp_msix_cnt, num_l2_queues);
 723
 724         if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
 725                 cdev->int_params.rdma_msix_cnt =
 726                         (cdev->int_params.fp_msix_cnt - num_l2_queues)
 727                         / cdev->num_hwfns;
 728                 cdev->int_params.rdma_msix_base =
 729                         cdev->int_params.fp_msix_base + num_l2_queues;
 730                 cdev->int_params.fp_msix_cnt = num_l2_queues;
 731         } else {
 732                 cdev->int_params.rdma_msix_cnt = 0;
 733         }
 734
 735         DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
 736                    cdev->int_params.rdma_msix_cnt,
 737                    cdev->int_params.rdma_msix_base);
 738
 739         return 0;
 740 }
 741
 742 static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
 743 {
 744         int rc;
 745
 746         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
 747         cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
 748
 749         qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
 750                             &cdev->int_params.in.num_vectors);
 751         if (cdev->num_hwfns > 1) {
 752                 u8 vectors = 0;
 753
 754                 qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
 755                 cdev->int_params.in.num_vectors += vectors;
 756         }
 757
 758         /* We want a minimum of one fastpath vector per vf hwfn */
 759         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
 760
 761         rc = qed_set_int_mode(cdev, true);
 762         if (rc)
 763                 return rc;
 764
 765         cdev->int_params.fp_msix_base = 0;
 766         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
 767
 768         return 0;
 769 }
 770
 771 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
 772                    u8 *input_buf, u32 max_size, u8 *unzip_buf)
 773 {
 774         int rc;
 775
 776         p_hwfn->stream->next_in = input_buf;
 777         p_hwfn->stream->avail_in = input_len;
 778         p_hwfn->stream->next_out = unzip_buf;
 779         p_hwfn->stream->avail_out = max_size;
 780
 781         rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
 782
 783         if (rc != Z_OK) {
 784                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
 785                            rc);
 786                 return 0;
 787         }
 788
 789         rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
 790         zlib_inflateEnd(p_hwfn->stream);
 791
 792         if (rc != Z_OK && rc != Z_STREAM_END) {
 793                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
 794                            p_hwfn->stream->msg, rc);
 795                 return 0;
 796         }
 797
 798         return p_hwfn->stream->total_out / 4;
 799 }
 800
 801 static int qed_alloc_stream_mem(struct qed_dev *cdev)
 802 {
 803         int i;
 804         void *workspace;
 805
 806         for_each_hwfn(cdev, i) {
 807                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 808
 809                 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
 810                 if (!p_hwfn->stream)
 811                         return -ENOMEM;
 812
 813                 workspace = vzalloc(zlib_inflate_workspacesize());
 814                 if (!workspace)
 815                         return -ENOMEM;
 816                 p_hwfn->stream->workspace = workspace;
 817         }
 818
 819         return 0;
 820 }
 821
 822 static void qed_free_stream_mem(struct qed_dev *cdev)
 823 {
 824         int i;
 825
 826         for_each_hwfn(cdev, i) {
 827                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 828
 829                 if (!p_hwfn->stream)
 830                         return;
 831
 832                 vfree(p_hwfn->stream->workspace);
 833                 kfree(p_hwfn->stream);
 834         }
 835 }
 836
 837 static void qed_update_pf_params(struct qed_dev *cdev,
 838                                  struct qed_pf_params *params)
 839 {
 840         int i;
 841
 842         for (i = 0; i < cdev->num_hwfns; i++) {
 843                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 844
 845                 p_hwfn->pf_params = *params;
 846         }
 847
 848         if (!IS_ENABLED(CONFIG_QED_RDMA))
 849                 return;
 850
 851         params->rdma_pf_params.num_qps = QED_ROCE_QPS;
 852         params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
 853         /* divide by 3 the MRs to avoid MF ILT overflow */
 854         params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
 855         params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
 856 }
 857
 858 static int qed_slowpath_start(struct qed_dev *cdev,
 859                               struct qed_slowpath_params *params)
 860 {
 861         struct qed_tunn_start_params tunn_info;
 862         struct qed_mcp_drv_version drv_version;
 863         const u8 *data = NULL;
 864         struct qed_hwfn *hwfn;
 865         int rc = -EINVAL;
 866
 867         if (qed_iov_wq_start(cdev))
 868                 goto err;
 869
 870         if (IS_PF(cdev)) {
 871                 rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
 872                                       &cdev->pdev->dev);
 873                 if (rc) {
 874                         DP_NOTICE(cdev,
 875                                   "Failed to find fw file - /lib/firmware/%s\n",
 876                                   QED_FW_FILE_NAME);
 877                         goto err;
 878                 }
 879         }
 880
 881         cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
 882         rc = qed_nic_setup(cdev);
 883         if (rc)
 884                 goto err;
 885
 886         if (IS_PF(cdev))
 887                 rc = qed_slowpath_setup_int(cdev, params->int_mode);
 888         else
 889                 rc = qed_slowpath_vf_setup_int(cdev);
 890         if (rc)
 891                 goto err1;
 892
 893         if (IS_PF(cdev)) {
 894                 /* Allocate stream for unzipping */
 895                 rc = qed_alloc_stream_mem(cdev);
 896                 if (rc)
 897                         goto err2;
 898
 899                 /* First Dword used to diffrentiate between various sources */
 900                 data = cdev->firmware->data + sizeof(u32);
 901
 902                 qed_dbg_pf_init(cdev);
 903         }
 904
 905         memset(&tunn_info, 0, sizeof(tunn_info));
 906         tunn_info.tunn_mode |=  1 << QED_MODE_VXLAN_TUNN |
 907                                 1 << QED_MODE_L2GRE_TUNN |
 908                                 1 << QED_MODE_IPGRE_TUNN |
 909                                 1 << QED_MODE_L2GENEVE_TUNN |
 910                                 1 << QED_MODE_IPGENEVE_TUNN;
 911
 912         tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
 913         tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
 914         tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
 915
 916         /* Start the slowpath */
 917         rc = qed_hw_init(cdev, &tunn_info, true,
 918                          cdev->int_params.out.int_mode,
 919                          true, data);
 920         if (rc)
 921                 goto err2;
 922
 923         DP_INFO(cdev,
 924                 "HW initialization and function start completed successfully\n");
 925
 926         /* Allocate LL2 interface if needed */
 927         if (QED_LEADING_HWFN(cdev)->using_ll2) {
 928                 rc = qed_ll2_alloc_if(cdev);
 929                 if (rc)
 930                         goto err3;
 931         }
 932         if (IS_PF(cdev)) {
 933                 hwfn = QED_LEADING_HWFN(cdev);
 934                 drv_version.version = (params->drv_major << 24) |
 935                                       (params->drv_minor << 16) |
 936                                       (params->drv_rev << 8) |
 937                                       (params->drv_eng);
 938                 strlcpy(drv_version.name, params->name,
 939                         MCP_DRV_VER_STR_SIZE - 4);
 940                 rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 941                                               &drv_version);
 942                 if (rc) {
 943                         DP_NOTICE(cdev, "Failed sending drv version command\n");
 944                         return rc;
 945                 }
 946         }
 947
 948         qed_reset_vport_stats(cdev);
 949
 950         return 0;
 951
 952 err3:
 953         qed_hw_stop(cdev);
 954 err2:
 955         qed_hw_timers_stop_all(cdev);
 956         if (IS_PF(cdev))
 957                 qed_slowpath_irq_free(cdev);
 958         qed_free_stream_mem(cdev);
 959         qed_disable_msix(cdev);
 960 err1:
 961         qed_resc_free(cdev);
 962 err:
 963         if (IS_PF(cdev))
 964                 release_firmware(cdev->firmware);
 965
 966         qed_iov_wq_stop(cdev, false);
 967
 968         return rc;
 969 }
 970
 971 static int qed_slowpath_stop(struct qed_dev *cdev)
 972 {
 973         if (!cdev)
 974                 return -ENODEV;
 975
 976         qed_ll2_dealloc_if(cdev);
 977
 978         if (IS_PF(cdev)) {
 979                 qed_free_stream_mem(cdev);
 980                 if (IS_QED_ETH_IF(cdev))
 981                         qed_sriov_disable(cdev, true);
 982
 983                 qed_nic_stop(cdev);
 984                 qed_slowpath_irq_free(cdev);
 985         }
 986
 987         qed_disable_msix(cdev);
 988         qed_nic_reset(cdev);
 989
 990         qed_iov_wq_stop(cdev, true);
 991
 992         if (IS_PF(cdev))
 993                 release_firmware(cdev->firmware);
 994
 995         return 0;
 996 }
 997
 998 static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
 999                        char ver_str[VER_SIZE])
1000 {
1001         int i;
1002
1003         memcpy(cdev->name, name, NAME_SIZE);
1004         for_each_hwfn(cdev, i)
1005                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1006
1007         memcpy(cdev->ver_str, ver_str, VER_SIZE);
1008         cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
1009 }
1010
1011 static u32 qed_sb_init(struct qed_dev *cdev,
1012                        struct qed_sb_info *sb_info,
1013                        void *sb_virt_addr,
1014                        dma_addr_t sb_phy_addr, u16 sb_id,
1015                        enum qed_sb_type type)
1016 {
1017         struct qed_hwfn *p_hwfn;
1018         int hwfn_index;
1019         u16 rel_sb_id;
1020         u8 n_hwfns;
1021         u32 rc;
1022
1023         /* RoCE uses single engine and CMT uses two engines. When using both
1024          * we force only a single engine. Storage uses only engine 0 too.
1025          */
1026         if (type == QED_SB_TYPE_L2_QUEUE)
1027                 n_hwfns = cdev->num_hwfns;
1028         else
1029                 n_hwfns = 1;
1030
1031         hwfn_index = sb_id % n_hwfns;
1032         p_hwfn = &cdev->hwfns[hwfn_index];
1033         rel_sb_id = sb_id / n_hwfns;
1034
1035         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1036                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1037                    hwfn_index, rel_sb_id, sb_id);
1038
1039         rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
1040                              sb_virt_addr, sb_phy_addr, rel_sb_id);
1041
1042         return rc;
1043 }
1044
1045 static u32 qed_sb_release(struct qed_dev *cdev,
1046                           struct qed_sb_info *sb_info, u16 sb_id)
1047 {
1048         struct qed_hwfn *p_hwfn;
1049         int hwfn_index;
1050         u16 rel_sb_id;
1051         u32 rc;
1052
1053         hwfn_index = sb_id % cdev->num_hwfns;
1054         p_hwfn = &cdev->hwfns[hwfn_index];
1055         rel_sb_id = sb_id / cdev->num_hwfns;
1056
1057         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1058                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1059                    hwfn_index, rel_sb_id, sb_id);
1060
1061         rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1062
1063         return rc;
1064 }
1065
1066 static bool qed_can_link_change(struct qed_dev *cdev)
1067 {
1068         return true;
1069 }
1070
1071 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1072 {
1073         struct qed_hwfn *hwfn;
1074         struct qed_mcp_link_params *link_params;
1075         struct qed_ptt *ptt;
1076         int rc;
1077
1078         if (!cdev)
1079                 return -ENODEV;
1080
1081         if (IS_VF(cdev))
1082                 return 0;
1083
1084         /* The link should be set only once per PF */
1085         hwfn = &cdev->hwfns[0];
1086
1087         ptt = qed_ptt_acquire(hwfn);
1088         if (!ptt)
1089                 return -EBUSY;
1090
1091         link_params = qed_mcp_get_link_params(hwfn);
1092         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1093                 link_params->speed.autoneg = params->autoneg;
1094         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1095                 link_params->speed.advertised_speeds = 0;
1096                 if ((params->adv_speeds & QED_LM_1000baseT_Half_BIT) ||
1097                     (params->adv_speeds & QED_LM_1000baseT_Full_BIT))
1098                         link_params->speed.advertised_speeds |=
1099                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1100                 if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
1101                         link_params->speed.advertised_speeds |=
1102                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1103                 if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
1104                         link_params->speed.advertised_speeds |=
1105                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1106                 if (params->adv_speeds & QED_LM_40000baseLR4_Full_BIT)
1107                         link_params->speed.advertised_speeds |=
1108                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1109                 if (params->adv_speeds & QED_LM_50000baseKR2_Full_BIT)
1110                         link_params->speed.advertised_speeds |=
1111                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1112                 if (params->adv_speeds & QED_LM_100000baseKR4_Full_BIT)
1113                         link_params->speed.advertised_speeds |=
1114                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1115         }
1116         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1117                 link_params->speed.forced_speed = params->forced_speed;
1118         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1119                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1120                         link_params->pause.autoneg = true;
1121                 else
1122                         link_params->pause.autoneg = false;
1123                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1124                         link_params->pause.forced_rx = true;
1125                 else
1126                         link_params->pause.forced_rx = false;
1127                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1128                         link_params->pause.forced_tx = true;
1129                 else
1130                         link_params->pause.forced_tx = false;
1131         }
1132         if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1133                 switch (params->loopback_mode) {
1134                 case QED_LINK_LOOPBACK_INT_PHY:
1135                         link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1136                         break;
1137                 case QED_LINK_LOOPBACK_EXT_PHY:
1138                         link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1139                         break;
1140                 case QED_LINK_LOOPBACK_EXT:
1141                         link_params->loopback_mode = ETH_LOOPBACK_EXT;
1142                         break;
1143                 case QED_LINK_LOOPBACK_MAC:
1144                         link_params->loopback_mode = ETH_LOOPBACK_MAC;
1145                         break;
1146                 default:
1147                         link_params->loopback_mode = ETH_LOOPBACK_NONE;
1148                         break;
1149                 }
1150         }
1151
1152         rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1153
1154         qed_ptt_release(hwfn, ptt);
1155
1156         return rc;
1157 }
1158
1159 static int qed_get_port_type(u32 media_type)
1160 {
1161         int port_type;
1162
1163         switch (media_type) {
1164         case MEDIA_SFPP_10G_FIBER:
1165         case MEDIA_SFP_1G_FIBER:
1166         case MEDIA_XFP_FIBER:
1167         case MEDIA_MODULE_FIBER:
1168         case MEDIA_KR:
1169                 port_type = PORT_FIBRE;
1170                 break;
1171         case MEDIA_DA_TWINAX:
1172                 port_type = PORT_DA;
1173                 break;
1174         case MEDIA_BASE_T:
1175                 port_type = PORT_TP;
1176                 break;
1177         case MEDIA_NOT_PRESENT:
1178                 port_type = PORT_NONE;
1179                 break;
1180         case MEDIA_UNSPECIFIED:
1181         default:
1182                 port_type = PORT_OTHER;
1183                 break;
1184         }
1185         return port_type;
1186 }
1187
1188 static int qed_get_link_data(struct qed_hwfn *hwfn,
1189                              struct qed_mcp_link_params *params,
1190                              struct qed_mcp_link_state *link,
1191                              struct qed_mcp_link_capabilities *link_caps)
1192 {
1193         void *p;
1194
1195         if (!IS_PF(hwfn->cdev)) {
1196                 qed_vf_get_link_params(hwfn, params);
1197                 qed_vf_get_link_state(hwfn, link);
1198                 qed_vf_get_link_caps(hwfn, link_caps);
1199
1200                 return 0;
1201         }
1202
1203         p = qed_mcp_get_link_params(hwfn);
1204         if (!p)
1205                 return -ENXIO;
1206         memcpy(params, p, sizeof(*params));
1207
1208         p = qed_mcp_get_link_state(hwfn);
1209         if (!p)
1210                 return -ENXIO;
1211         memcpy(link, p, sizeof(*link));
1212
1213         p = qed_mcp_get_link_capabilities(hwfn);
1214         if (!p)
1215                 return -ENXIO;
1216         memcpy(link_caps, p, sizeof(*link_caps));
1217
1218         return 0;
1219 }
1220
1221 static void qed_fill_link(struct qed_hwfn *hwfn,
1222                           struct qed_link_output *if_link)
1223 {
1224         struct qed_mcp_link_params params;
1225         struct qed_mcp_link_state link;
1226         struct qed_mcp_link_capabilities link_caps;
1227         u32 media_type;
1228
1229         memset(if_link, 0, sizeof(*if_link));
1230
1231         /* Prepare source inputs */
1232         if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1233                 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1234                 return;
1235         }
1236
1237         /* Set the link parameters to pass to protocol driver */
1238         if (link.link_up)
1239                 if_link->link_up = true;
1240
1241         /* TODO - at the moment assume supported and advertised speed equal */
1242         if_link->supported_caps = QED_LM_FIBRE_BIT;
1243         if (params.speed.autoneg)
1244                 if_link->supported_caps |= QED_LM_Autoneg_BIT;
1245         if (params.pause.autoneg ||
1246             (params.pause.forced_rx && params.pause.forced_tx))
1247                 if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1248         if (params.pause.autoneg || params.pause.forced_rx ||
1249             params.pause.forced_tx)
1250                 if_link->supported_caps |= QED_LM_Pause_BIT;
1251
1252         if_link->advertised_caps = if_link->supported_caps;
1253         if (params.speed.advertised_speeds &
1254             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1255                 if_link->advertised_caps |= QED_LM_1000baseT_Half_BIT |
1256                     QED_LM_1000baseT_Full_BIT;
1257         if (params.speed.advertised_speeds &
1258             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1259                 if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
1260         if (params.speed.advertised_speeds &
1261             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1262                 if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
1263         if (params.speed.advertised_speeds &
1264             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1265                 if_link->advertised_caps |= QED_LM_40000baseLR4_Full_BIT;
1266         if (params.speed.advertised_speeds &
1267             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1268                 if_link->advertised_caps |= QED_LM_50000baseKR2_Full_BIT;
1269         if (params.speed.advertised_speeds &
1270             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1271                 if_link->advertised_caps |= QED_LM_100000baseKR4_Full_BIT;
1272
1273         if (link_caps.speed_capabilities &
1274             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1275                 if_link->supported_caps |= QED_LM_1000baseT_Half_BIT |
1276                     QED_LM_1000baseT_Full_BIT;
1277         if (link_caps.speed_capabilities &
1278             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1279                 if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
1280         if (link_caps.speed_capabilities &
1281             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1282                 if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
1283         if (link_caps.speed_capabilities &
1284             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1285                 if_link->supported_caps |= QED_LM_40000baseLR4_Full_BIT;
1286         if (link_caps.speed_capabilities &
1287             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1288                 if_link->supported_caps |= QED_LM_50000baseKR2_Full_BIT;
1289         if (link_caps.speed_capabilities &
1290             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1291                 if_link->supported_caps |= QED_LM_100000baseKR4_Full_BIT;
1292
1293         if (link.link_up)
1294                 if_link->speed = link.speed;
1295
1296         /* TODO - fill duplex properly */
1297         if_link->duplex = DUPLEX_FULL;
1298         qed_mcp_get_media_type(hwfn->cdev, &media_type);
1299         if_link->port = qed_get_port_type(media_type);
1300
1301         if_link->autoneg = params.speed.autoneg;
1302
1303         if (params.pause.autoneg)
1304                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1305         if (params.pause.forced_rx)
1306                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1307         if (params.pause.forced_tx)
1308                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1309
1310         /* Link partner capabilities */
1311         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_HD)
1312                 if_link->lp_caps |= QED_LM_1000baseT_Half_BIT;
1313         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_FD)
1314                 if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1315         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1316                 if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1317         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1318                 if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1319         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1320                 if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1321         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1322                 if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1323         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1324                 if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1325
1326         if (link.an_complete)
1327                 if_link->lp_caps |= QED_LM_Autoneg_BIT;
1328
1329         if (link.partner_adv_pause)
1330                 if_link->lp_caps |= QED_LM_Pause_BIT;
1331         if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1332             link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1333                 if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1334 }
1335
1336 static void qed_get_current_link(struct qed_dev *cdev,
1337                                  struct qed_link_output *if_link)
1338 {
1339         int i;
1340
1341         qed_fill_link(&cdev->hwfns[0], if_link);
1342
1343         for_each_hwfn(cdev, i)
1344                 qed_inform_vf_link_state(&cdev->hwfns[i]);
1345 }
1346
1347 void qed_link_update(struct qed_hwfn *hwfn)
1348 {
1349         void *cookie = hwfn->cdev->ops_cookie;
1350         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1351         struct qed_link_output if_link;
1352
1353         qed_fill_link(hwfn, &if_link);
1354         qed_inform_vf_link_state(hwfn);
1355
1356         if (IS_LEAD_HWFN(hwfn) && cookie)
1357                 op->link_update(cookie, &if_link);
1358 }
1359
1360 static int qed_drain(struct qed_dev *cdev)
1361 {
1362         struct qed_hwfn *hwfn;
1363         struct qed_ptt *ptt;
1364         int i, rc;
1365
1366         if (IS_VF(cdev))
1367                 return 0;
1368
1369         for_each_hwfn(cdev, i) {
1370                 hwfn = &cdev->hwfns[i];
1371                 ptt = qed_ptt_acquire(hwfn);
1372                 if (!ptt) {
1373                         DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1374                         return -EBUSY;
1375                 }
1376                 rc = qed_mcp_drain(hwfn, ptt);
1377                 if (rc)
1378                         return rc;
1379                 qed_ptt_release(hwfn, ptt);
1380         }
1381
1382         return 0;
1383 }
1384
1385 static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
1386 {
1387         *rx_coal = cdev->rx_coalesce_usecs;
1388         *tx_coal = cdev->tx_coalesce_usecs;
1389 }
1390
1391 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
1392                             u8 qid, u16 sb_id)
1393 {
1394         struct qed_hwfn *hwfn;
1395         struct qed_ptt *ptt;
1396         int hwfn_index;
1397         int status = 0;
1398
1399         hwfn_index = qid % cdev->num_hwfns;
1400         hwfn = &cdev->hwfns[hwfn_index];
1401         ptt = qed_ptt_acquire(hwfn);
1402         if (!ptt)
1403                 return -EAGAIN;
1404
1405         status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
1406                                       qid / cdev->num_hwfns, sb_id);
1407         if (status)
1408                 goto out;
1409         status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
1410                                       qid / cdev->num_hwfns, sb_id);
1411 out:
1412         qed_ptt_release(hwfn, ptt);
1413
1414         return status;
1415 }
1416
1417 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1418 {
1419         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1420         struct qed_ptt *ptt;
1421         int status = 0;
1422
1423         ptt = qed_ptt_acquire(hwfn);
1424         if (!ptt)
1425                 return -EAGAIN;
1426
1427         status = qed_mcp_set_led(hwfn, ptt, mode);
1428
1429         qed_ptt_release(hwfn, ptt);
1430
1431         return status;
1432 }
1433
1434 static struct qed_selftest_ops qed_selftest_ops_pass = {
1435         .selftest_memory = &qed_selftest_memory,
1436         .selftest_interrupt = &qed_selftest_interrupt,
1437         .selftest_register = &qed_selftest_register,
1438         .selftest_clock = &qed_selftest_clock,
1439 };
1440
1441 const struct qed_common_ops qed_common_ops_pass = {
1442         .selftest = &qed_selftest_ops_pass,
1443         .probe = &qed_probe,
1444         .remove = &qed_remove,
1445         .set_power_state = &qed_set_power_state,
1446         .set_id = &qed_set_id,
1447         .update_pf_params = &qed_update_pf_params,
1448         .slowpath_start = &qed_slowpath_start,
1449         .slowpath_stop = &qed_slowpath_stop,
1450         .set_fp_int = &qed_set_int_fp,
1451         .get_fp_int = &qed_get_int_fp,
1452         .sb_init = &qed_sb_init,
1453         .sb_release = &qed_sb_release,
1454         .simd_handler_config = &qed_simd_handler_config,
1455         .simd_handler_clean = &qed_simd_handler_clean,
1456         .can_link_change = &qed_can_link_change,
1457         .set_link = &qed_set_link,
1458         .get_link = &qed_get_current_link,
1459         .drain = &qed_drain,
1460         .update_msglvl = &qed_init_dp,
1461         .dbg_all_data = &qed_dbg_all_data,
1462         .dbg_all_data_size = &qed_dbg_all_data_size,
1463         .chain_alloc = &qed_chain_alloc,
1464         .chain_free = &qed_chain_free,
1465         .get_coalesce = &qed_get_coalesce,
1466         .set_coalesce = &qed_set_coalesce,
1467         .set_led = &qed_set_led,
1468 };
1469
1470 void qed_get_protocol_stats(struct qed_dev *cdev,
1471                             enum qed_mcp_protocol_type type,
1472                             union qed_mcp_protocol_stats *stats)
1473 {
1474         struct qed_eth_stats eth_stats;
1475
1476         memset(stats, 0, sizeof(*stats));
1477
1478         switch (type) {
1479         case QED_MCP_LAN_STATS:
1480                 qed_get_vport_stats(cdev, &eth_stats);
1481                 stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
1482                 stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
1483                 stats->lan_stats.fcs_err = -1;
1484                 break;
1485         default:
1486                 DP_ERR(cdev, "Invalid protocol type = %d\n", type);
1487                 return;
1488         }
1489 }