linux/drivers/net/ethernet/qlogic/qed/qed_main.c
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   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
  39static char version[] =
  40        "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  41
  42MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  43MODULE_LICENSE("GPL");
  44MODULE_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
  55MODULE_FIRMWARE(QED_FW_FILE_NAME);
  56
  57static int __init qed_init(void)
  58{
  59        pr_info("%s", version);
  60
  61        return 0;
  62}
  63
  64static void __exit qed_cleanup(void)
  65{
  66        pr_notice("qed_cleanup called\n");
  67}
  68
  69module_init(qed_init);
  70module_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*/
  75static 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
  93static 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 */
 112static 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
 193err2:
 194        pci_release_regions(pdev);
 195err1:
 196        pci_disable_device(pdev);
 197err0:
 198        return rc;
 199}
 200
 201int 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
 249static void qed_free_cdev(struct qed_dev *cdev)
 250{
 251        kfree((void *)cdev);
 252}
 253
 254static 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 */
 268static 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 */
 278static 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
 312err2:
 313        qed_free_pci(cdev);
 314err1:
 315        qed_free_cdev(cdev);
 316err0:
 317        return NULL;
 318}
 319
 320static 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
 334static 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
 346static 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 */
 391static 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
 442out:
 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
 453static 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
 463static 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
 472static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
 473{
 474        tasklet_schedule((struct tasklet_struct *)tasklet);
 475        return IRQ_HANDLED;
 476}
 477
 478static 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
 520int 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
 559static 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
 578static 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
 601static 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
 614static 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
 638static 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
 656static 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
 679static 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
 742static 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
 771u32 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
 801static 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
 822static 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
 837static void qed_update_pf_params(struct qed_dev *cdev,
 838                                 struct qed_pf_params *params)
 839{
 840        int i;
 841
 842        if (IS_ENABLED(CONFIG_QED_RDMA)) {
 843                params->rdma_pf_params.num_qps = QED_ROCE_QPS;
 844                params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
 845                /* divide by 3 the MRs to avoid MF ILT overflow */
 846                params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
 847                params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
 848        }
 849
 850        for (i = 0; i < cdev->num_hwfns; i++) {
 851                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 852
 853                p_hwfn->pf_params = *params;
 854        }
 855}
 856
 857static int qed_slowpath_start(struct qed_dev *cdev,
 858                              struct qed_slowpath_params *params)
 859{
 860        struct qed_tunn_start_params tunn_info;
 861        struct qed_mcp_drv_version drv_version;
 862        const u8 *data = NULL;
 863        struct qed_hwfn *hwfn;
 864        int rc = -EINVAL;
 865
 866        if (qed_iov_wq_start(cdev))
 867                goto err;
 868
 869        if (IS_PF(cdev)) {
 870                rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
 871                                      &cdev->pdev->dev);
 872                if (rc) {
 873                        DP_NOTICE(cdev,
 874                                  "Failed to find fw file - /lib/firmware/%s\n",
 875                                  QED_FW_FILE_NAME);
 876                        goto err;
 877                }
 878        }
 879
 880        cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
 881        rc = qed_nic_setup(cdev);
 882        if (rc)
 883                goto err;
 884
 885        if (IS_PF(cdev))
 886                rc = qed_slowpath_setup_int(cdev, params->int_mode);
 887        else
 888                rc = qed_slowpath_vf_setup_int(cdev);
 889        if (rc)
 890                goto err1;
 891
 892        if (IS_PF(cdev)) {
 893                /* Allocate stream for unzipping */
 894                rc = qed_alloc_stream_mem(cdev);
 895                if (rc)
 896                        goto err2;
 897
 898                /* First Dword used to diffrentiate between various sources */
 899                data = cdev->firmware->data + sizeof(u32);
 900
 901                qed_dbg_pf_init(cdev);
 902        }
 903
 904        memset(&tunn_info, 0, sizeof(tunn_info));
 905        tunn_info.tunn_mode |=  1 << QED_MODE_VXLAN_TUNN |
 906                                1 << QED_MODE_L2GRE_TUNN |
 907                                1 << QED_MODE_IPGRE_TUNN |
 908                                1 << QED_MODE_L2GENEVE_TUNN |
 909                                1 << QED_MODE_IPGENEVE_TUNN;
 910
 911        tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
 912        tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
 913        tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
 914
 915        /* Start the slowpath */
 916        rc = qed_hw_init(cdev, &tunn_info, true,
 917                         cdev->int_params.out.int_mode,
 918                         true, data);
 919        if (rc)
 920                goto err2;
 921
 922        DP_INFO(cdev,
 923                "HW initialization and function start completed successfully\n");
 924
 925        /* Allocate LL2 interface if needed */
 926        if (QED_LEADING_HWFN(cdev)->using_ll2) {
 927                rc = qed_ll2_alloc_if(cdev);
 928                if (rc)
 929                        goto err3;
 930        }
 931        if (IS_PF(cdev)) {
 932                hwfn = QED_LEADING_HWFN(cdev);
 933                drv_version.version = (params->drv_major << 24) |
 934                                      (params->drv_minor << 16) |
 935                                      (params->drv_rev << 8) |
 936                                      (params->drv_eng);
 937                strlcpy(drv_version.name, params->name,
 938                        MCP_DRV_VER_STR_SIZE - 4);
 939                rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 940                                              &drv_version);
 941                if (rc) {
 942                        DP_NOTICE(cdev, "Failed sending drv version command\n");
 943                        return rc;
 944                }
 945        }
 946
 947        qed_reset_vport_stats(cdev);
 948
 949        return 0;
 950
 951err3:
 952        qed_hw_stop(cdev);
 953err2:
 954        qed_hw_timers_stop_all(cdev);
 955        if (IS_PF(cdev))
 956                qed_slowpath_irq_free(cdev);
 957        qed_free_stream_mem(cdev);
 958        qed_disable_msix(cdev);
 959err1:
 960        qed_resc_free(cdev);
 961err:
 962        if (IS_PF(cdev))
 963                release_firmware(cdev->firmware);
 964
 965        qed_iov_wq_stop(cdev, false);
 966
 967        return rc;
 968}
 969
 970static int qed_slowpath_stop(struct qed_dev *cdev)
 971{
 972        if (!cdev)
 973                return -ENODEV;
 974
 975        qed_ll2_dealloc_if(cdev);
 976
 977        if (IS_PF(cdev)) {
 978                qed_free_stream_mem(cdev);
 979                if (IS_QED_ETH_IF(cdev))
 980                        qed_sriov_disable(cdev, true);
 981
 982                qed_nic_stop(cdev);
 983                qed_slowpath_irq_free(cdev);
 984        }
 985
 986        qed_disable_msix(cdev);
 987        qed_nic_reset(cdev);
 988
 989        qed_iov_wq_stop(cdev, true);
 990
 991        if (IS_PF(cdev))
 992                release_firmware(cdev->firmware);
 993
 994        return 0;
 995}
 996
 997static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
 998                       char ver_str[VER_SIZE])
 999{
1000        int i;
1001
1002        memcpy(cdev->name, name, NAME_SIZE);
1003        for_each_hwfn(cdev, i)
1004                snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1005
1006        memcpy(cdev->ver_str, ver_str, VER_SIZE);
1007        cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
1008}
1009
1010static u32 qed_sb_init(struct qed_dev *cdev,
1011                       struct qed_sb_info *sb_info,
1012                       void *sb_virt_addr,
1013                       dma_addr_t sb_phy_addr, u16 sb_id,
1014                       enum qed_sb_type type)
1015{
1016        struct qed_hwfn *p_hwfn;
1017        int hwfn_index;
1018        u16 rel_sb_id;
1019        u8 n_hwfns;
1020        u32 rc;
1021
1022        /* RoCE uses single engine and CMT uses two engines. When using both
1023         * we force only a single engine. Storage uses only engine 0 too.
1024         */
1025        if (type == QED_SB_TYPE_L2_QUEUE)
1026                n_hwfns = cdev->num_hwfns;
1027        else
1028                n_hwfns = 1;
1029
1030        hwfn_index = sb_id % n_hwfns;
1031        p_hwfn = &cdev->hwfns[hwfn_index];
1032        rel_sb_id = sb_id / n_hwfns;
1033
1034        DP_VERBOSE(cdev, NETIF_MSG_INTR,
1035                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1036                   hwfn_index, rel_sb_id, sb_id);
1037
1038        rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
1039                             sb_virt_addr, sb_phy_addr, rel_sb_id);
1040
1041        return rc;
1042}
1043
1044static u32 qed_sb_release(struct qed_dev *cdev,
1045                          struct qed_sb_info *sb_info, u16 sb_id)
1046{
1047        struct qed_hwfn *p_hwfn;
1048        int hwfn_index;
1049        u16 rel_sb_id;
1050        u32 rc;
1051
1052        hwfn_index = sb_id % cdev->num_hwfns;
1053        p_hwfn = &cdev->hwfns[hwfn_index];
1054        rel_sb_id = sb_id / cdev->num_hwfns;
1055
1056        DP_VERBOSE(cdev, NETIF_MSG_INTR,
1057                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1058                   hwfn_index, rel_sb_id, sb_id);
1059
1060        rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1061
1062        return rc;
1063}
1064
1065static bool qed_can_link_change(struct qed_dev *cdev)
1066{
1067        return true;
1068}
1069
1070static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1071{
1072        struct qed_hwfn *hwfn;
1073        struct qed_mcp_link_params *link_params;
1074        struct qed_ptt *ptt;
1075        int rc;
1076
1077        if (!cdev)
1078                return -ENODEV;
1079
1080        if (IS_VF(cdev))
1081                return 0;
1082
1083        /* The link should be set only once per PF */
1084        hwfn = &cdev->hwfns[0];
1085
1086        ptt = qed_ptt_acquire(hwfn);
1087        if (!ptt)
1088                return -EBUSY;
1089
1090        link_params = qed_mcp_get_link_params(hwfn);
1091        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1092                link_params->speed.autoneg = params->autoneg;
1093        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1094                link_params->speed.advertised_speeds = 0;
1095                if ((params->adv_speeds & QED_LM_1000baseT_Half_BIT) ||
1096                    (params->adv_speeds & QED_LM_1000baseT_Full_BIT))
1097                        link_params->speed.advertised_speeds |=
1098                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1099                if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
1100                        link_params->speed.advertised_speeds |=
1101                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1102                if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
1103                        link_params->speed.advertised_speeds |=
1104                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1105                if (params->adv_speeds & QED_LM_40000baseLR4_Full_BIT)
1106                        link_params->speed.advertised_speeds |=
1107                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1108                if (params->adv_speeds & QED_LM_50000baseKR2_Full_BIT)
1109                        link_params->speed.advertised_speeds |=
1110                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1111                if (params->adv_speeds & QED_LM_100000baseKR4_Full_BIT)
1112                        link_params->speed.advertised_speeds |=
1113                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1114        }
1115        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1116                link_params->speed.forced_speed = params->forced_speed;
1117        if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1118                if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1119                        link_params->pause.autoneg = true;
1120                else
1121                        link_params->pause.autoneg = false;
1122                if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1123                        link_params->pause.forced_rx = true;
1124                else
1125                        link_params->pause.forced_rx = false;
1126                if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1127                        link_params->pause.forced_tx = true;
1128                else
1129                        link_params->pause.forced_tx = false;
1130        }
1131        if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1132                switch (params->loopback_mode) {
1133                case QED_LINK_LOOPBACK_INT_PHY:
1134                        link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1135                        break;
1136                case QED_LINK_LOOPBACK_EXT_PHY:
1137                        link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1138                        break;
1139                case QED_LINK_LOOPBACK_EXT:
1140                        link_params->loopback_mode = ETH_LOOPBACK_EXT;
1141                        break;
1142                case QED_LINK_LOOPBACK_MAC:
1143                        link_params->loopback_mode = ETH_LOOPBACK_MAC;
1144                        break;
1145                default:
1146                        link_params->loopback_mode = ETH_LOOPBACK_NONE;
1147                        break;
1148                }
1149        }
1150
1151        rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1152
1153        qed_ptt_release(hwfn, ptt);
1154
1155        return rc;
1156}
1157
1158static int qed_get_port_type(u32 media_type)
1159{
1160        int port_type;
1161
1162        switch (media_type) {
1163        case MEDIA_SFPP_10G_FIBER:
1164        case MEDIA_SFP_1G_FIBER:
1165        case MEDIA_XFP_FIBER:
1166        case MEDIA_MODULE_FIBER:
1167        case MEDIA_KR:
1168                port_type = PORT_FIBRE;
1169                break;
1170        case MEDIA_DA_TWINAX:
1171                port_type = PORT_DA;
1172                break;
1173        case MEDIA_BASE_T:
1174                port_type = PORT_TP;
1175                break;
1176        case MEDIA_NOT_PRESENT:
1177                port_type = PORT_NONE;
1178                break;
1179        case MEDIA_UNSPECIFIED:
1180        default:
1181                port_type = PORT_OTHER;
1182                break;
1183        }
1184        return port_type;
1185}
1186
1187static int qed_get_link_data(struct qed_hwfn *hwfn,
1188                             struct qed_mcp_link_params *params,
1189                             struct qed_mcp_link_state *link,
1190                             struct qed_mcp_link_capabilities *link_caps)
1191{
1192        void *p;
1193
1194        if (!IS_PF(hwfn->cdev)) {
1195                qed_vf_get_link_params(hwfn, params);
1196                qed_vf_get_link_state(hwfn, link);
1197                qed_vf_get_link_caps(hwfn, link_caps);
1198
1199                return 0;
1200        }
1201
1202        p = qed_mcp_get_link_params(hwfn);
1203        if (!p)
1204                return -ENXIO;
1205        memcpy(params, p, sizeof(*params));
1206
1207        p = qed_mcp_get_link_state(hwfn);
1208        if (!p)
1209                return -ENXIO;
1210        memcpy(link, p, sizeof(*link));
1211
1212        p = qed_mcp_get_link_capabilities(hwfn);
1213        if (!p)
1214                return -ENXIO;
1215        memcpy(link_caps, p, sizeof(*link_caps));
1216
1217        return 0;
1218}
1219
1220static void qed_fill_link(struct qed_hwfn *hwfn,
1221                          struct qed_link_output *if_link)
1222{
1223        struct qed_mcp_link_params params;
1224        struct qed_mcp_link_state link;
1225        struct qed_mcp_link_capabilities link_caps;
1226        u32 media_type;
1227
1228        memset(if_link, 0, sizeof(*if_link));
1229
1230        /* Prepare source inputs */
1231        if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1232                dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1233                return;
1234        }
1235
1236        /* Set the link parameters to pass to protocol driver */
1237        if (link.link_up)
1238                if_link->link_up = true;
1239
1240        /* TODO - at the moment assume supported and advertised speed equal */
1241        if_link->supported_caps = QED_LM_FIBRE_BIT;
1242        if (params.speed.autoneg)
1243                if_link->supported_caps |= QED_LM_Autoneg_BIT;
1244        if (params.pause.autoneg ||
1245            (params.pause.forced_rx && params.pause.forced_tx))
1246                if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1247        if (params.pause.autoneg || params.pause.forced_rx ||
1248            params.pause.forced_tx)
1249                if_link->supported_caps |= QED_LM_Pause_BIT;
1250
1251        if_link->advertised_caps = if_link->supported_caps;
1252        if (params.speed.advertised_speeds &
1253            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1254                if_link->advertised_caps |= QED_LM_1000baseT_Half_BIT |
1255                    QED_LM_1000baseT_Full_BIT;
1256        if (params.speed.advertised_speeds &
1257            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1258                if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
1259        if (params.speed.advertised_speeds &
1260            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1261                if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
1262        if (params.speed.advertised_speeds &
1263            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1264                if_link->advertised_caps |= QED_LM_40000baseLR4_Full_BIT;
1265        if (params.speed.advertised_speeds &
1266            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1267                if_link->advertised_caps |= QED_LM_50000baseKR2_Full_BIT;
1268        if (params.speed.advertised_speeds &
1269            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1270                if_link->advertised_caps |= QED_LM_100000baseKR4_Full_BIT;
1271
1272        if (link_caps.speed_capabilities &
1273            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1274                if_link->supported_caps |= QED_LM_1000baseT_Half_BIT |
1275                    QED_LM_1000baseT_Full_BIT;
1276        if (link_caps.speed_capabilities &
1277            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1278                if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
1279        if (link_caps.speed_capabilities &
1280            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1281                if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
1282        if (link_caps.speed_capabilities &
1283            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1284                if_link->supported_caps |= QED_LM_40000baseLR4_Full_BIT;
1285        if (link_caps.speed_capabilities &
1286            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1287                if_link->supported_caps |= QED_LM_50000baseKR2_Full_BIT;
1288        if (link_caps.speed_capabilities &
1289            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1290                if_link->supported_caps |= QED_LM_100000baseKR4_Full_BIT;
1291
1292        if (link.link_up)
1293                if_link->speed = link.speed;
1294
1295        /* TODO - fill duplex properly */
1296        if_link->duplex = DUPLEX_FULL;
1297        qed_mcp_get_media_type(hwfn->cdev, &media_type);
1298        if_link->port = qed_get_port_type(media_type);
1299
1300        if_link->autoneg = params.speed.autoneg;
1301
1302        if (params.pause.autoneg)
1303                if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1304        if (params.pause.forced_rx)
1305                if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1306        if (params.pause.forced_tx)
1307                if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1308
1309        /* Link partner capabilities */
1310        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_HD)
1311                if_link->lp_caps |= QED_LM_1000baseT_Half_BIT;
1312        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_FD)
1313                if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1314        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1315                if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1316        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1317                if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1318        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1319                if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1320        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1321                if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1322        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1323                if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1324
1325        if (link.an_complete)
1326                if_link->lp_caps |= QED_LM_Autoneg_BIT;
1327
1328        if (link.partner_adv_pause)
1329                if_link->lp_caps |= QED_LM_Pause_BIT;
1330        if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1331            link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1332                if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1333}
1334
1335static void qed_get_current_link(struct qed_dev *cdev,
1336                                 struct qed_link_output *if_link)
1337{
1338        int i;
1339
1340        qed_fill_link(&cdev->hwfns[0], if_link);
1341
1342        for_each_hwfn(cdev, i)
1343                qed_inform_vf_link_state(&cdev->hwfns[i]);
1344}
1345
1346void qed_link_update(struct qed_hwfn *hwfn)
1347{
1348        void *cookie = hwfn->cdev->ops_cookie;
1349        struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1350        struct qed_link_output if_link;
1351
1352        qed_fill_link(hwfn, &if_link);
1353        qed_inform_vf_link_state(hwfn);
1354
1355        if (IS_LEAD_HWFN(hwfn) && cookie)
1356                op->link_update(cookie, &if_link);
1357}
1358
1359static int qed_drain(struct qed_dev *cdev)
1360{
1361        struct qed_hwfn *hwfn;
1362        struct qed_ptt *ptt;
1363        int i, rc;
1364
1365        if (IS_VF(cdev))
1366                return 0;
1367
1368        for_each_hwfn(cdev, i) {
1369                hwfn = &cdev->hwfns[i];
1370                ptt = qed_ptt_acquire(hwfn);
1371                if (!ptt) {
1372                        DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1373                        return -EBUSY;
1374                }
1375                rc = qed_mcp_drain(hwfn, ptt);
1376                if (rc)
1377                        return rc;
1378                qed_ptt_release(hwfn, ptt);
1379        }
1380
1381        return 0;
1382}
1383
1384static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
1385{
1386        *rx_coal = cdev->rx_coalesce_usecs;
1387        *tx_coal = cdev->tx_coalesce_usecs;
1388}
1389
1390static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
1391                            u8 qid, u16 sb_id)
1392{
1393        struct qed_hwfn *hwfn;
1394        struct qed_ptt *ptt;
1395        int hwfn_index;
1396        int status = 0;
1397
1398        hwfn_index = qid % cdev->num_hwfns;
1399        hwfn = &cdev->hwfns[hwfn_index];
1400        ptt = qed_ptt_acquire(hwfn);
1401        if (!ptt)
1402                return -EAGAIN;
1403
1404        status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
1405                                      qid / cdev->num_hwfns, sb_id);
1406        if (status)
1407                goto out;
1408        status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
1409                                      qid / cdev->num_hwfns, sb_id);
1410out:
1411        qed_ptt_release(hwfn, ptt);
1412
1413        return status;
1414}
1415
1416static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1417{
1418        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1419        struct qed_ptt *ptt;
1420        int status = 0;
1421
1422        ptt = qed_ptt_acquire(hwfn);
1423        if (!ptt)
1424                return -EAGAIN;
1425
1426        status = qed_mcp_set_led(hwfn, ptt, mode);
1427
1428        qed_ptt_release(hwfn, ptt);
1429
1430        return status;
1431}
1432
1433static struct qed_selftest_ops qed_selftest_ops_pass = {
1434        .selftest_memory = &qed_selftest_memory,
1435        .selftest_interrupt = &qed_selftest_interrupt,
1436        .selftest_register = &qed_selftest_register,
1437        .selftest_clock = &qed_selftest_clock,
1438};
1439
1440const struct qed_common_ops qed_common_ops_pass = {
1441        .selftest = &qed_selftest_ops_pass,
1442        .probe = &qed_probe,
1443        .remove = &qed_remove,
1444        .set_power_state = &qed_set_power_state,
1445        .set_id = &qed_set_id,
1446        .update_pf_params = &qed_update_pf_params,
1447        .slowpath_start = &qed_slowpath_start,
1448        .slowpath_stop = &qed_slowpath_stop,
1449        .set_fp_int = &qed_set_int_fp,
1450        .get_fp_int = &qed_get_int_fp,
1451        .sb_init = &qed_sb_init,
1452        .sb_release = &qed_sb_release,
1453        .simd_handler_config = &qed_simd_handler_config,
1454        .simd_handler_clean = &qed_simd_handler_clean,
1455        .can_link_change = &qed_can_link_change,
1456        .set_link = &qed_set_link,
1457        .get_link = &qed_get_current_link,
1458        .drain = &qed_drain,
1459        .update_msglvl = &qed_init_dp,
1460        .dbg_all_data = &qed_dbg_all_data,
1461        .dbg_all_data_size = &qed_dbg_all_data_size,
1462        .chain_alloc = &qed_chain_alloc,
1463        .chain_free = &qed_chain_free,
1464        .get_coalesce = &qed_get_coalesce,
1465        .set_coalesce = &qed_set_coalesce,
1466        .set_led = &qed_set_led,
1467};
1468
1469void qed_get_protocol_stats(struct qed_dev *cdev,
1470                            enum qed_mcp_protocol_type type,
1471                            union qed_mcp_protocol_stats *stats)
1472{
1473        struct qed_eth_stats eth_stats;
1474
1475        memset(stats, 0, sizeof(*stats));
1476
1477        switch (type) {
1478        case QED_MCP_LAN_STATS:
1479                qed_get_vport_stats(cdev, &eth_stats);
1480                stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
1481                stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
1482                stats->lan_stats.fcs_err = -1;
1483                break;
1484        default:
1485                DP_ERR(cdev, "Invalid protocol type = %d\n", type);
1486                return;
1487        }
1488}
1489