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
  26 #include "qed.h"
  27 #include "qed_sriov.h"
  28 #include "qed_sp.h"
  29 #include "qed_dev_api.h"
  30 #include "qed_mcp.h"
  31 #include "qed_hw.h"
  32 #include "qed_selftest.h"
  33
  34 static char version[] =
  35         "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  36
  37 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  38 MODULE_LICENSE("GPL");
  39 MODULE_VERSION(DRV_MODULE_VERSION);
  40
  41 #define FW_FILE_VERSION                         \
  42         __stringify(FW_MAJOR_VERSION) "."       \
  43         __stringify(FW_MINOR_VERSION) "."       \
  44         __stringify(FW_REVISION_VERSION) "."    \
  45         __stringify(FW_ENGINEERING_VERSION)
  46
  47 #define QED_FW_FILE_NAME        \
  48         "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
  49
  50 MODULE_FIRMWARE(QED_FW_FILE_NAME);
  51
  52 static int __init qed_init(void)
  53 {
  54         pr_notice("qed_init called\n");
  55
  56         pr_info("%s", version);
  57
  58         return 0;
  59 }
  60
  61 static void __exit qed_cleanup(void)
  62 {
  63         pr_notice("qed_cleanup called\n");
  64 }
  65
  66 module_init(qed_init);
  67 module_exit(qed_cleanup);
  68
  69 /* Check if the DMA controller on the machine can properly handle the DMA
  70  * addressing required by the device.
  71 */
  72 static int qed_set_coherency_mask(struct qed_dev *cdev)
  73 {
  74         struct device *dev = &cdev->pdev->dev;
  75
  76         if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
  77                 if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
  78                         DP_NOTICE(cdev,
  79                                   "Can't request 64-bit consistent allocations\n");
  80                         return -EIO;
  81                 }
  82         } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
  83                 DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
  84                 return -EIO;
  85         }
  86
  87         return 0;
  88 }
  89
  90 static void qed_free_pci(struct qed_dev *cdev)
  91 {
  92         struct pci_dev *pdev = cdev->pdev;
  93
  94         if (cdev->doorbells)
  95                 iounmap(cdev->doorbells);
  96         if (cdev->regview)
  97                 iounmap(cdev->regview);
  98         if (atomic_read(&pdev->enable_cnt) == 1)
  99                 pci_release_regions(pdev);
 100
 101         pci_disable_device(pdev);
 102 }
 103
 104 #define PCI_REVISION_ID_ERROR_VAL       0xff
 105
 106 /* Performs PCI initializations as well as initializing PCI-related parameters
 107  * in the device structrue. Returns 0 in case of success.
 108  */
 109 static int qed_init_pci(struct qed_dev *cdev,
 110                         struct pci_dev *pdev)
 111 {
 112         u8 rev_id;
 113         int rc;
 114
 115         cdev->pdev = pdev;
 116
 117         rc = pci_enable_device(pdev);
 118         if (rc) {
 119                 DP_NOTICE(cdev, "Cannot enable PCI device\n");
 120                 goto err0;
 121         }
 122
 123         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 124                 DP_NOTICE(cdev, "No memory region found in bar #0\n");
 125                 rc = -EIO;
 126                 goto err1;
 127         }
 128
 129         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
 130                 DP_NOTICE(cdev, "No memory region found in bar #2\n");
 131                 rc = -EIO;
 132                 goto err1;
 133         }
 134
 135         if (atomic_read(&pdev->enable_cnt) == 1) {
 136                 rc = pci_request_regions(pdev, "qed");
 137                 if (rc) {
 138                         DP_NOTICE(cdev,
 139                                   "Failed to request PCI memory resources\n");
 140                         goto err1;
 141                 }
 142                 pci_set_master(pdev);
 143                 pci_save_state(pdev);
 144         }
 145
 146         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
 147         if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
 148                 DP_NOTICE(cdev,
 149                           "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
 150                           rev_id);
 151                 rc = -ENODEV;
 152                 goto err2;
 153         }
 154         if (!pci_is_pcie(pdev)) {
 155                 DP_NOTICE(cdev, "The bus is not PCI Express\n");
 156                 rc = -EIO;
 157                 goto err2;
 158         }
 159
 160         cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
 161         if (cdev->pci_params.pm_cap == 0)
 162                 DP_NOTICE(cdev, "Cannot find power management capability\n");
 163
 164         rc = qed_set_coherency_mask(cdev);
 165         if (rc)
 166                 goto err2;
 167
 168         cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
 169         cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
 170         cdev->pci_params.irq = pdev->irq;
 171
 172         cdev->regview = pci_ioremap_bar(pdev, 0);
 173         if (!cdev->regview) {
 174                 DP_NOTICE(cdev, "Cannot map register space, aborting\n");
 175                 rc = -ENOMEM;
 176                 goto err2;
 177         }
 178
 179         cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
 180         cdev->db_size = pci_resource_len(cdev->pdev, 2);
 181         cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
 182         if (!cdev->doorbells) {
 183                 DP_NOTICE(cdev, "Cannot map doorbell space\n");
 184                 return -ENOMEM;
 185         }
 186
 187         return 0;
 188
 189 err2:
 190         pci_release_regions(pdev);
 191 err1:
 192         pci_disable_device(pdev);
 193 err0:
 194         return rc;
 195 }
 196
 197 int qed_fill_dev_info(struct qed_dev *cdev,
 198                       struct qed_dev_info *dev_info)
 199 {
 200         struct qed_ptt  *ptt;
 201
 202         memset(dev_info, 0, sizeof(struct qed_dev_info));
 203
 204         dev_info->num_hwfns = cdev->num_hwfns;
 205         dev_info->pci_mem_start = cdev->pci_params.mem_start;
 206         dev_info->pci_mem_end = cdev->pci_params.mem_end;
 207         dev_info->pci_irq = cdev->pci_params.irq;
 208         dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
 209         ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
 210
 211         dev_info->fw_major = FW_MAJOR_VERSION;
 212         dev_info->fw_minor = FW_MINOR_VERSION;
 213         dev_info->fw_rev = FW_REVISION_VERSION;
 214         dev_info->fw_eng = FW_ENGINEERING_VERSION;
 215         dev_info->mf_mode = cdev->mf_mode;
 216
 217         qed_mcp_get_mfw_ver(cdev, &dev_info->mfw_rev);
 218
 219         ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
 220         if (ptt) {
 221                 qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
 222                                        &dev_info->flash_size);
 223
 224                 qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
 225         }
 226
 227         return 0;
 228 }
 229
 230 static void qed_free_cdev(struct qed_dev *cdev)
 231 {
 232         kfree((void *)cdev);
 233 }
 234
 235 static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
 236 {
 237         struct qed_dev *cdev;
 238
 239         cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
 240         if (!cdev)
 241                 return cdev;
 242
 243         qed_init_struct(cdev);
 244
 245         return cdev;
 246 }
 247
 248 /* Sets the requested power state */
 249 static int qed_set_power_state(struct qed_dev *cdev,
 250                                pci_power_t state)
 251 {
 252         if (!cdev)
 253                 return -ENODEV;
 254
 255         DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
 256         return 0;
 257 }
 258
 259 /* probing */
 260 static struct qed_dev *qed_probe(struct pci_dev *pdev,
 261                                  enum qed_protocol protocol,
 262                                  u32 dp_module,
 263                                  u8 dp_level)
 264 {
 265         struct qed_dev *cdev;
 266         int rc;
 267
 268         cdev = qed_alloc_cdev(pdev);
 269         if (!cdev)
 270                 goto err0;
 271
 272         cdev->protocol = protocol;
 273
 274         qed_init_dp(cdev, dp_module, dp_level);
 275
 276         rc = qed_init_pci(cdev, pdev);
 277         if (rc) {
 278                 DP_ERR(cdev, "init pci failed\n");
 279                 goto err1;
 280         }
 281         DP_INFO(cdev, "PCI init completed successfully\n");
 282
 283         rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
 284         if (rc) {
 285                 DP_ERR(cdev, "hw prepare failed\n");
 286                 goto err2;
 287         }
 288
 289         DP_INFO(cdev, "qed_probe completed successffuly\n");
 290
 291         return cdev;
 292
 293 err2:
 294         qed_free_pci(cdev);
 295 err1:
 296         qed_free_cdev(cdev);
 297 err0:
 298         return NULL;
 299 }
 300
 301 static void qed_remove(struct qed_dev *cdev)
 302 {
 303         if (!cdev)
 304                 return;
 305
 306         qed_hw_remove(cdev);
 307
 308         qed_free_pci(cdev);
 309
 310         qed_set_power_state(cdev, PCI_D3hot);
 311
 312         qed_free_cdev(cdev);
 313 }
 314
 315 static void qed_disable_msix(struct qed_dev *cdev)
 316 {
 317         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 318                 pci_disable_msix(cdev->pdev);
 319                 kfree(cdev->int_params.msix_table);
 320         } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
 321                 pci_disable_msi(cdev->pdev);
 322         }
 323
 324         memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
 325 }
 326
 327 static int qed_enable_msix(struct qed_dev *cdev,
 328                            struct qed_int_params *int_params)
 329 {
 330         int i, rc, cnt;
 331
 332         cnt = int_params->in.num_vectors;
 333
 334         for (i = 0; i < cnt; i++)
 335                 int_params->msix_table[i].entry = i;
 336
 337         rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
 338                                    int_params->in.min_msix_cnt, cnt);
 339         if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
 340             (rc % cdev->num_hwfns)) {
 341                 pci_disable_msix(cdev->pdev);
 342
 343                 /* If fastpath is initialized, we need at least one interrupt
 344                  * per hwfn [and the slow path interrupts]. New requested number
 345                  * should be a multiple of the number of hwfns.
 346                  */
 347                 cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
 348                 DP_NOTICE(cdev,
 349                           "Trying to enable MSI-X with less vectors (%d out of %d)\n",
 350                           cnt, int_params->in.num_vectors);
 351                 rc = pci_enable_msix_exact(cdev->pdev,
 352                                            int_params->msix_table, cnt);
 353                 if (!rc)
 354                         rc = cnt;
 355         }
 356
 357         if (rc > 0) {
 358                 /* MSI-x configuration was achieved */
 359                 int_params->out.int_mode = QED_INT_MODE_MSIX;
 360                 int_params->out.num_vectors = rc;
 361                 rc = 0;
 362         } else {
 363                 DP_NOTICE(cdev,
 364                           "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
 365                           cnt, rc);
 366         }
 367
 368         return rc;
 369 }
 370
 371 /* This function outputs the int mode and the number of enabled msix vector */
 372 static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
 373 {
 374         struct qed_int_params *int_params = &cdev->int_params;
 375         struct msix_entry *tbl;
 376         int rc = 0, cnt;
 377
 378         switch (int_params->in.int_mode) {
 379         case QED_INT_MODE_MSIX:
 380                 /* Allocate MSIX table */
 381                 cnt = int_params->in.num_vectors;
 382                 int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
 383                 if (!int_params->msix_table) {
 384                         rc = -ENOMEM;
 385                         goto out;
 386                 }
 387
 388                 /* Enable MSIX */
 389                 rc = qed_enable_msix(cdev, int_params);
 390                 if (!rc)
 391                         goto out;
 392
 393                 DP_NOTICE(cdev, "Failed to enable MSI-X\n");
 394                 kfree(int_params->msix_table);
 395                 if (force_mode)
 396                         goto out;
 397                 /* Fallthrough */
 398
 399         case QED_INT_MODE_MSI:
 400                 rc = pci_enable_msi(cdev->pdev);
 401                 if (!rc) {
 402                         int_params->out.int_mode = QED_INT_MODE_MSI;
 403                         goto out;
 404                 }
 405
 406                 DP_NOTICE(cdev, "Failed to enable MSI\n");
 407                 if (force_mode)
 408                         goto out;
 409                 /* Fallthrough */
 410
 411         case QED_INT_MODE_INTA:
 412                         int_params->out.int_mode = QED_INT_MODE_INTA;
 413                         rc = 0;
 414                         goto out;
 415         default:
 416                 DP_NOTICE(cdev, "Unknown int_mode value %d\n",
 417                           int_params->in.int_mode);
 418                 rc = -EINVAL;
 419         }
 420
 421 out:
 422         cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
 423
 424         return rc;
 425 }
 426
 427 static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
 428                                     int index, void(*handler)(void *))
 429 {
 430         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 431         int relative_idx = index / cdev->num_hwfns;
 432
 433         hwfn->simd_proto_handler[relative_idx].func = handler;
 434         hwfn->simd_proto_handler[relative_idx].token = token;
 435 }
 436
 437 static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
 438 {
 439         struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 440         int relative_idx = index / cdev->num_hwfns;
 441
 442         memset(&hwfn->simd_proto_handler[relative_idx], 0,
 443                sizeof(struct qed_simd_fp_handler));
 444 }
 445
 446 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
 447 {
 448         tasklet_schedule((struct tasklet_struct *)tasklet);
 449         return IRQ_HANDLED;
 450 }
 451
 452 static irqreturn_t qed_single_int(int irq, void *dev_instance)
 453 {
 454         struct qed_dev *cdev = (struct qed_dev *)dev_instance;
 455         struct qed_hwfn *hwfn;
 456         irqreturn_t rc = IRQ_NONE;
 457         u64 status;
 458         int i, j;
 459
 460         for (i = 0; i < cdev->num_hwfns; i++) {
 461                 status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
 462
 463                 if (!status)
 464                         continue;
 465
 466                 hwfn = &cdev->hwfns[i];
 467
 468                 /* Slowpath interrupt */
 469                 if (unlikely(status & 0x1)) {
 470                         tasklet_schedule(hwfn->sp_dpc);
 471                         status &= ~0x1;
 472                         rc = IRQ_HANDLED;
 473                 }
 474
 475                 /* Fastpath interrupts */
 476                 for (j = 0; j < 64; j++) {
 477                         if ((0x2ULL << j) & status) {
 478                                 hwfn->simd_proto_handler[j].func(
 479                                         hwfn->simd_proto_handler[j].token);
 480                                 status &= ~(0x2ULL << j);
 481                                 rc = IRQ_HANDLED;
 482                         }
 483                 }
 484
 485                 if (unlikely(status))
 486                         DP_VERBOSE(hwfn, NETIF_MSG_INTR,
 487                                    "got an unknown interrupt status 0x%llx\n",
 488                                    status);
 489         }
 490
 491         return rc;
 492 }
 493
 494 int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
 495 {
 496         struct qed_dev *cdev = hwfn->cdev;
 497         int rc = 0;
 498         u8 id;
 499
 500         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 501                 id = hwfn->my_id;
 502                 snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
 503                          id, cdev->pdev->bus->number,
 504                          PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
 505                 rc = request_irq(cdev->int_params.msix_table[id].vector,
 506                                  qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
 507                 if (!rc)
 508                         DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
 509                                    "Requested slowpath MSI-X\n");
 510         } else {
 511                 unsigned long flags = 0;
 512
 513                 snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
 514                          cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
 515                          PCI_FUNC(cdev->pdev->devfn));
 516
 517                 if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
 518                         flags |= IRQF_SHARED;
 519
 520                 rc = request_irq(cdev->pdev->irq, qed_single_int,
 521                                  flags, cdev->name, cdev);
 522         }
 523
 524         return rc;
 525 }
 526
 527 static void qed_slowpath_irq_free(struct qed_dev *cdev)
 528 {
 529         int i;
 530
 531         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 532                 for_each_hwfn(cdev, i) {
 533                         if (!cdev->hwfns[i].b_int_requested)
 534                                 break;
 535                         synchronize_irq(cdev->int_params.msix_table[i].vector);
 536                         free_irq(cdev->int_params.msix_table[i].vector,
 537                                  cdev->hwfns[i].sp_dpc);
 538                 }
 539         } else {
 540                 if (QED_LEADING_HWFN(cdev)->b_int_requested)
 541                         free_irq(cdev->pdev->irq, cdev);
 542         }
 543         qed_int_disable_post_isr_release(cdev);
 544 }
 545
 546 static int qed_nic_stop(struct qed_dev *cdev)
 547 {
 548         int i, rc;
 549
 550         rc = qed_hw_stop(cdev);
 551
 552         for (i = 0; i < cdev->num_hwfns; i++) {
 553                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 554
 555                 if (p_hwfn->b_sp_dpc_enabled) {
 556                         tasklet_disable(p_hwfn->sp_dpc);
 557                         p_hwfn->b_sp_dpc_enabled = false;
 558                         DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
 559                                    "Disabled sp taskelt [hwfn %d] at %p\n",
 560                                    i, p_hwfn->sp_dpc);
 561                 }
 562         }
 563
 564         return rc;
 565 }
 566
 567 static int qed_nic_reset(struct qed_dev *cdev)
 568 {
 569         int rc;
 570
 571         rc = qed_hw_reset(cdev);
 572         if (rc)
 573                 return rc;
 574
 575         qed_resc_free(cdev);
 576
 577         return 0;
 578 }
 579
 580 static int qed_nic_setup(struct qed_dev *cdev)
 581 {
 582         int rc;
 583
 584         rc = qed_resc_alloc(cdev);
 585         if (rc)
 586                 return rc;
 587
 588         DP_INFO(cdev, "Allocated qed resources\n");
 589
 590         qed_resc_setup(cdev);
 591
 592         return rc;
 593 }
 594
 595 static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
 596 {
 597         int limit = 0;
 598
 599         /* Mark the fastpath as free/used */
 600         cdev->int_params.fp_initialized = cnt ? true : false;
 601
 602         if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
 603                 limit = cdev->num_hwfns * 63;
 604         else if (cdev->int_params.fp_msix_cnt)
 605                 limit = cdev->int_params.fp_msix_cnt;
 606
 607         if (!limit)
 608                 return -ENOMEM;
 609
 610         return min_t(int, cnt, limit);
 611 }
 612
 613 static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
 614 {
 615         memset(info, 0, sizeof(struct qed_int_info));
 616
 617         if (!cdev->int_params.fp_initialized) {
 618                 DP_INFO(cdev,
 619                         "Protocol driver requested interrupt information, but its support is not yet configured\n");
 620                 return -EINVAL;
 621         }
 622
 623         /* Need to expose only MSI-X information; Single IRQ is handled solely
 624          * by qed.
 625          */
 626         if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 627                 int msix_base = cdev->int_params.fp_msix_base;
 628
 629                 info->msix_cnt = cdev->int_params.fp_msix_cnt;
 630                 info->msix = &cdev->int_params.msix_table[msix_base];
 631         }
 632
 633         return 0;
 634 }
 635
 636 static int qed_slowpath_setup_int(struct qed_dev *cdev,
 637                                   enum qed_int_mode int_mode)
 638 {
 639         struct qed_sb_cnt_info sb_cnt_info;
 640         int rc;
 641         int i;
 642         memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
 643
 644         cdev->int_params.in.int_mode = int_mode;
 645         for_each_hwfn(cdev, i) {
 646                 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
 647                 qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
 648                 cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
 649                 cdev->int_params.in.num_vectors++; /* slowpath */
 650         }
 651
 652         /* We want a minimum of one slowpath and one fastpath vector per hwfn */
 653         cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
 654
 655         rc = qed_set_int_mode(cdev, false);
 656         if (rc)  {
 657                 DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
 658                 return rc;
 659         }
 660
 661         cdev->int_params.fp_msix_base = cdev->num_hwfns;
 662         cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
 663                                        cdev->num_hwfns;
 664
 665         return 0;
 666 }
 667
 668 u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
 669                    u8 *input_buf, u32 max_size, u8 *unzip_buf)
 670 {
 671         int rc;
 672
 673         p_hwfn->stream->next_in = input_buf;
 674         p_hwfn->stream->avail_in = input_len;
 675         p_hwfn->stream->next_out = unzip_buf;
 676         p_hwfn->stream->avail_out = max_size;
 677
 678         rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
 679
 680         if (rc != Z_OK) {
 681                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
 682                            rc);
 683                 return 0;
 684         }
 685
 686         rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
 687         zlib_inflateEnd(p_hwfn->stream);
 688
 689         if (rc != Z_OK && rc != Z_STREAM_END) {
 690                 DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
 691                            p_hwfn->stream->msg, rc);
 692                 return 0;
 693         }
 694
 695         return p_hwfn->stream->total_out / 4;
 696 }
 697
 698 static int qed_alloc_stream_mem(struct qed_dev *cdev)
 699 {
 700         int i;
 701         void *workspace;
 702
 703         for_each_hwfn(cdev, i) {
 704                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 705
 706                 p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
 707                 if (!p_hwfn->stream)
 708                         return -ENOMEM;
 709
 710                 workspace = vzalloc(zlib_inflate_workspacesize());
 711                 if (!workspace)
 712                         return -ENOMEM;
 713                 p_hwfn->stream->workspace = workspace;
 714         }
 715
 716         return 0;
 717 }
 718
 719 static void qed_free_stream_mem(struct qed_dev *cdev)
 720 {
 721         int i;
 722
 723         for_each_hwfn(cdev, i) {
 724                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 725
 726                 if (!p_hwfn->stream)
 727                         return;
 728
 729                 vfree(p_hwfn->stream->workspace);
 730                 kfree(p_hwfn->stream);
 731         }
 732 }
 733
 734 static void qed_update_pf_params(struct qed_dev *cdev,
 735                                  struct qed_pf_params *params)
 736 {
 737         int i;
 738
 739         for (i = 0; i < cdev->num_hwfns; i++) {
 740                 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 741
 742                 p_hwfn->pf_params = *params;
 743         }
 744 }
 745
 746 static int qed_slowpath_start(struct qed_dev *cdev,
 747                               struct qed_slowpath_params *params)
 748 {
 749         struct qed_tunn_start_params tunn_info;
 750         struct qed_mcp_drv_version drv_version;
 751         const u8 *data = NULL;
 752         struct qed_hwfn *hwfn;
 753         int rc = -EINVAL;
 754
 755         if (qed_iov_wq_start(cdev))
 756                 goto err;
 757
 758         rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
 759                               &cdev->pdev->dev);
 760         if (rc) {
 761                 DP_NOTICE(cdev,
 762                           "Failed to find fw file - /lib/firmware/%s\n",
 763                           QED_FW_FILE_NAME);
 764                 goto err;
 765         }
 766
 767         rc = qed_nic_setup(cdev);
 768         if (rc)
 769                 goto err;
 770
 771         rc = qed_slowpath_setup_int(cdev, params->int_mode);
 772         if (rc)
 773                 goto err1;
 774
 775         /* Allocate stream for unzipping */
 776         rc = qed_alloc_stream_mem(cdev);
 777         if (rc) {
 778                 DP_NOTICE(cdev, "Failed to allocate stream memory\n");
 779                 goto err2;
 780         }
 781
 782         /* Start the slowpath */
 783         data = cdev->firmware->data;
 784
 785         memset(&tunn_info, 0, sizeof(tunn_info));
 786         tunn_info.tunn_mode |=  1 << QED_MODE_VXLAN_TUNN |
 787                                 1 << QED_MODE_L2GRE_TUNN |
 788                                 1 << QED_MODE_IPGRE_TUNN |
 789                                 1 << QED_MODE_L2GENEVE_TUNN |
 790                                 1 << QED_MODE_IPGENEVE_TUNN;
 791
 792         tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
 793         tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
 794         tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
 795
 796         rc = qed_hw_init(cdev, &tunn_info, true,
 797                          cdev->int_params.out.int_mode,
 798                          true, data);
 799         if (rc)
 800                 goto err2;
 801
 802         DP_INFO(cdev,
 803                 "HW initialization and function start completed successfully\n");
 804
 805         hwfn = QED_LEADING_HWFN(cdev);
 806         drv_version.version = (params->drv_major << 24) |
 807                               (params->drv_minor << 16) |
 808                               (params->drv_rev << 8) |
 809                               (params->drv_eng);
 810         strlcpy(drv_version.name, params->name,
 811                 MCP_DRV_VER_STR_SIZE - 4);
 812         rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
 813                                       &drv_version);
 814         if (rc) {
 815                 DP_NOTICE(cdev, "Failed sending drv version command\n");
 816                 return rc;
 817         }
 818
 819         qed_reset_vport_stats(cdev);
 820
 821         return 0;
 822
 823 err2:
 824         qed_hw_timers_stop_all(cdev);
 825         qed_slowpath_irq_free(cdev);
 826         qed_free_stream_mem(cdev);
 827         qed_disable_msix(cdev);
 828 err1:
 829         qed_resc_free(cdev);
 830 err:
 831         release_firmware(cdev->firmware);
 832
 833         qed_iov_wq_stop(cdev, false);
 834
 835         return rc;
 836 }
 837
 838 static int qed_slowpath_stop(struct qed_dev *cdev)
 839 {
 840         if (!cdev)
 841                 return -ENODEV;
 842
 843         qed_free_stream_mem(cdev);
 844
 845         qed_nic_stop(cdev);
 846         qed_slowpath_irq_free(cdev);
 847
 848         qed_disable_msix(cdev);
 849         qed_nic_reset(cdev);
 850
 851         qed_iov_wq_stop(cdev, true);
 852
 853         release_firmware(cdev->firmware);
 854
 855         return 0;
 856 }
 857
 858 static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
 859                        char ver_str[VER_SIZE])
 860 {
 861         int i;
 862
 863         memcpy(cdev->name, name, NAME_SIZE);
 864         for_each_hwfn(cdev, i)
 865                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
 866
 867         memcpy(cdev->ver_str, ver_str, VER_SIZE);
 868         cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
 869 }
 870
 871 static u32 qed_sb_init(struct qed_dev *cdev,
 872                        struct qed_sb_info *sb_info,
 873                        void *sb_virt_addr,
 874                        dma_addr_t sb_phy_addr, u16 sb_id,
 875                        enum qed_sb_type type)
 876 {
 877         struct qed_hwfn *p_hwfn;
 878         int hwfn_index;
 879         u16 rel_sb_id;
 880         u8 n_hwfns;
 881         u32 rc;
 882
 883         /* RoCE uses single engine and CMT uses two engines. When using both
 884          * we force only a single engine. Storage uses only engine 0 too.
 885          */
 886         if (type == QED_SB_TYPE_L2_QUEUE)
 887                 n_hwfns = cdev->num_hwfns;
 888         else
 889                 n_hwfns = 1;
 890
 891         hwfn_index = sb_id % n_hwfns;
 892         p_hwfn = &cdev->hwfns[hwfn_index];
 893         rel_sb_id = sb_id / n_hwfns;
 894
 895         DP_VERBOSE(cdev, NETIF_MSG_INTR,
 896                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
 897                    hwfn_index, rel_sb_id, sb_id);
 898
 899         rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
 900                              sb_virt_addr, sb_phy_addr, rel_sb_id);
 901
 902         return rc;
 903 }
 904
 905 static u32 qed_sb_release(struct qed_dev *cdev,
 906                           struct qed_sb_info *sb_info,
 907                           u16 sb_id)
 908 {
 909         struct qed_hwfn *p_hwfn;
 910         int hwfn_index;
 911         u16 rel_sb_id;
 912         u32 rc;
 913
 914         hwfn_index = sb_id % cdev->num_hwfns;
 915         p_hwfn = &cdev->hwfns[hwfn_index];
 916         rel_sb_id = sb_id / cdev->num_hwfns;
 917
 918         DP_VERBOSE(cdev, NETIF_MSG_INTR,
 919                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
 920                    hwfn_index, rel_sb_id, sb_id);
 921
 922         rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
 923
 924         return rc;
 925 }
 926
 927 static bool qed_can_link_change(struct qed_dev *cdev)
 928 {
 929         return true;
 930 }
 931
 932 static int qed_set_link(struct qed_dev *cdev,
 933                         struct qed_link_params *params)
 934 {
 935         struct qed_hwfn *hwfn;
 936         struct qed_mcp_link_params *link_params;
 937         struct qed_ptt *ptt;
 938         int rc;
 939
 940         if (!cdev)
 941                 return -ENODEV;
 942
 943         /* The link should be set only once per PF */
 944         hwfn = &cdev->hwfns[0];
 945
 946         ptt = qed_ptt_acquire(hwfn);
 947         if (!ptt)
 948                 return -EBUSY;
 949
 950         link_params = qed_mcp_get_link_params(hwfn);
 951         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
 952                 link_params->speed.autoneg = params->autoneg;
 953         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
 954                 link_params->speed.advertised_speeds = 0;
 955                 if ((params->adv_speeds & SUPPORTED_1000baseT_Half) ||
 956                     (params->adv_speeds & SUPPORTED_1000baseT_Full))
 957                         link_params->speed.advertised_speeds |=
 958                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
 959                 if (params->adv_speeds & SUPPORTED_10000baseKR_Full)
 960                         link_params->speed.advertised_speeds |=
 961                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
 962                 if (params->adv_speeds & SUPPORTED_40000baseLR4_Full)
 963                         link_params->speed.advertised_speeds |=
 964                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
 965                 if (params->adv_speeds & 0)
 966                         link_params->speed.advertised_speeds |=
 967                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
 968                 if (params->adv_speeds & 0)
 969                         link_params->speed.advertised_speeds |=
 970                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G;
 971         }
 972         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
 973                 link_params->speed.forced_speed = params->forced_speed;
 974         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
 975                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
 976                         link_params->pause.autoneg = true;
 977                 else
 978                         link_params->pause.autoneg = false;
 979                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
 980                         link_params->pause.forced_rx = true;
 981                 else
 982                         link_params->pause.forced_rx = false;
 983                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
 984                         link_params->pause.forced_tx = true;
 985                 else
 986                         link_params->pause.forced_tx = false;
 987         }
 988         if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
 989                 switch (params->loopback_mode) {
 990                 case QED_LINK_LOOPBACK_INT_PHY:
 991                         link_params->loopback_mode = PMM_LOOPBACK_INT_PHY;
 992                         break;
 993                 case QED_LINK_LOOPBACK_EXT_PHY:
 994                         link_params->loopback_mode = PMM_LOOPBACK_EXT_PHY;
 995                         break;
 996                 case QED_LINK_LOOPBACK_EXT:
 997                         link_params->loopback_mode = PMM_LOOPBACK_EXT;
 998                         break;
 999                 case QED_LINK_LOOPBACK_MAC:
1000                         link_params->loopback_mode = PMM_LOOPBACK_MAC;
1001                         break;
1002                 default:
1003                         link_params->loopback_mode = PMM_LOOPBACK_NONE;
1004                         break;
1005                 }
1006         }
1007
1008         rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1009
1010         qed_ptt_release(hwfn, ptt);
1011
1012         return rc;
1013 }
1014
1015 static int qed_get_port_type(u32 media_type)
1016 {
1017         int port_type;
1018
1019         switch (media_type) {
1020         case MEDIA_SFPP_10G_FIBER:
1021         case MEDIA_SFP_1G_FIBER:
1022         case MEDIA_XFP_FIBER:
1023         case MEDIA_KR:
1024                 port_type = PORT_FIBRE;
1025                 break;
1026         case MEDIA_DA_TWINAX:
1027                 port_type = PORT_DA;
1028                 break;
1029         case MEDIA_BASE_T:
1030                 port_type = PORT_TP;
1031                 break;
1032         case MEDIA_NOT_PRESENT:
1033                 port_type = PORT_NONE;
1034                 break;
1035         case MEDIA_UNSPECIFIED:
1036         default:
1037                 port_type = PORT_OTHER;
1038                 break;
1039         }
1040         return port_type;
1041 }
1042
1043 static void qed_fill_link(struct qed_hwfn *hwfn,
1044                           struct qed_link_output *if_link)
1045 {
1046         struct qed_mcp_link_params params;
1047         struct qed_mcp_link_state link;
1048         struct qed_mcp_link_capabilities link_caps;
1049         u32 media_type;
1050
1051         memset(if_link, 0, sizeof(*if_link));
1052
1053         /* Prepare source inputs */
1054         memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
1055         memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
1056         memcpy(&link_caps, qed_mcp_get_link_capabilities(hwfn),
1057                sizeof(link_caps));
1058
1059         /* Set the link parameters to pass to protocol driver */
1060         if (link.link_up)
1061                 if_link->link_up = true;
1062
1063         /* TODO - at the moment assume supported and advertised speed equal */
1064         if_link->supported_caps = SUPPORTED_FIBRE;
1065         if (params.speed.autoneg)
1066                 if_link->supported_caps |= SUPPORTED_Autoneg;
1067         if (params.pause.autoneg ||
1068             (params.pause.forced_rx && params.pause.forced_tx))
1069                 if_link->supported_caps |= SUPPORTED_Asym_Pause;
1070         if (params.pause.autoneg || params.pause.forced_rx ||
1071             params.pause.forced_tx)
1072                 if_link->supported_caps |= SUPPORTED_Pause;
1073
1074         if_link->advertised_caps = if_link->supported_caps;
1075         if (params.speed.advertised_speeds &
1076             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1077                 if_link->advertised_caps |= SUPPORTED_1000baseT_Half |
1078                                            SUPPORTED_1000baseT_Full;
1079         if (params.speed.advertised_speeds &
1080             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1081                 if_link->advertised_caps |= SUPPORTED_10000baseKR_Full;
1082         if (params.speed.advertised_speeds &
1083                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1084                 if_link->advertised_caps |= SUPPORTED_40000baseLR4_Full;
1085         if (params.speed.advertised_speeds &
1086                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1087                 if_link->advertised_caps |= 0;
1088         if (params.speed.advertised_speeds &
1089                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G)
1090                 if_link->advertised_caps |= 0;
1091
1092         if (link_caps.speed_capabilities &
1093             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1094                 if_link->supported_caps |= SUPPORTED_1000baseT_Half |
1095                                            SUPPORTED_1000baseT_Full;
1096         if (link_caps.speed_capabilities &
1097             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1098                 if_link->supported_caps |= SUPPORTED_10000baseKR_Full;
1099         if (link_caps.speed_capabilities &
1100                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1101                 if_link->supported_caps |= SUPPORTED_40000baseLR4_Full;
1102         if (link_caps.speed_capabilities &
1103                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1104                 if_link->supported_caps |= 0;
1105         if (link_caps.speed_capabilities &
1106                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_100G)
1107                 if_link->supported_caps |= 0;
1108
1109         if (link.link_up)
1110                 if_link->speed = link.speed;
1111
1112         /* TODO - fill duplex properly */
1113         if_link->duplex = DUPLEX_FULL;
1114         qed_mcp_get_media_type(hwfn->cdev, &media_type);
1115         if_link->port = qed_get_port_type(media_type);
1116
1117         if_link->autoneg = params.speed.autoneg;
1118
1119         if (params.pause.autoneg)
1120                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1121         if (params.pause.forced_rx)
1122                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1123         if (params.pause.forced_tx)
1124                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1125
1126         /* Link partner capabilities */
1127         if (link.partner_adv_speed &
1128             QED_LINK_PARTNER_SPEED_1G_HD)
1129                 if_link->lp_caps |= SUPPORTED_1000baseT_Half;
1130         if (link.partner_adv_speed &
1131             QED_LINK_PARTNER_SPEED_1G_FD)
1132                 if_link->lp_caps |= SUPPORTED_1000baseT_Full;
1133         if (link.partner_adv_speed &
1134             QED_LINK_PARTNER_SPEED_10G)
1135                 if_link->lp_caps |= SUPPORTED_10000baseKR_Full;
1136         if (link.partner_adv_speed &
1137             QED_LINK_PARTNER_SPEED_40G)
1138                 if_link->lp_caps |= SUPPORTED_40000baseLR4_Full;
1139         if (link.partner_adv_speed &
1140             QED_LINK_PARTNER_SPEED_50G)
1141                 if_link->lp_caps |= 0;
1142         if (link.partner_adv_speed &
1143             QED_LINK_PARTNER_SPEED_100G)
1144                 if_link->lp_caps |= 0;
1145
1146         if (link.an_complete)
1147                 if_link->lp_caps |= SUPPORTED_Autoneg;
1148
1149         if (link.partner_adv_pause)
1150                 if_link->lp_caps |= SUPPORTED_Pause;
1151         if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1152             link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1153                 if_link->lp_caps |= SUPPORTED_Asym_Pause;
1154 }
1155
1156 static void qed_get_current_link(struct qed_dev *cdev,
1157                                  struct qed_link_output *if_link)
1158 {
1159         qed_fill_link(&cdev->hwfns[0], if_link);
1160 }
1161
1162 void qed_link_update(struct qed_hwfn *hwfn)
1163 {
1164         void *cookie = hwfn->cdev->ops_cookie;
1165         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1166         struct qed_link_output if_link;
1167
1168         qed_fill_link(hwfn, &if_link);
1169
1170         if (IS_LEAD_HWFN(hwfn) && cookie)
1171                 op->link_update(cookie, &if_link);
1172 }
1173
1174 static int qed_drain(struct qed_dev *cdev)
1175 {
1176         struct qed_hwfn *hwfn;
1177         struct qed_ptt *ptt;
1178         int i, rc;
1179
1180         for_each_hwfn(cdev, i) {
1181                 hwfn = &cdev->hwfns[i];
1182                 ptt = qed_ptt_acquire(hwfn);
1183                 if (!ptt) {
1184                         DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1185                         return -EBUSY;
1186                 }
1187                 rc = qed_mcp_drain(hwfn, ptt);
1188                 if (rc)
1189                         return rc;
1190                 qed_ptt_release(hwfn, ptt);
1191         }
1192
1193         return 0;
1194 }
1195
1196 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
1197 {
1198         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1199         struct qed_ptt *ptt;
1200         int status = 0;
1201
1202         ptt = qed_ptt_acquire(hwfn);
1203         if (!ptt)
1204                 return -EAGAIN;
1205
1206         status = qed_mcp_set_led(hwfn, ptt, mode);
1207
1208         qed_ptt_release(hwfn, ptt);
1209
1210         return status;
1211 }
1212
1213 struct qed_selftest_ops qed_selftest_ops_pass = {
1214         .selftest_memory = &qed_selftest_memory,
1215         .selftest_interrupt = &qed_selftest_interrupt,
1216         .selftest_register = &qed_selftest_register,
1217         .selftest_clock = &qed_selftest_clock,
1218 };
1219
1220 const struct qed_common_ops qed_common_ops_pass = {
1221         .selftest = &qed_selftest_ops_pass,
1222         .probe = &qed_probe,
1223         .remove = &qed_remove,
1224         .set_power_state = &qed_set_power_state,
1225         .set_id = &qed_set_id,
1226         .update_pf_params = &qed_update_pf_params,
1227         .slowpath_start = &qed_slowpath_start,
1228         .slowpath_stop = &qed_slowpath_stop,
1229         .set_fp_int = &qed_set_int_fp,
1230         .get_fp_int = &qed_get_int_fp,
1231         .sb_init = &qed_sb_init,
1232         .sb_release = &qed_sb_release,
1233         .simd_handler_config = &qed_simd_handler_config,
1234         .simd_handler_clean = &qed_simd_handler_clean,
1235         .can_link_change = &qed_can_link_change,
1236         .set_link = &qed_set_link,
1237         .get_link = &qed_get_current_link,
1238         .drain = &qed_drain,
1239         .update_msglvl = &qed_init_dp,
1240         .chain_alloc = &qed_chain_alloc,
1241         .chain_free = &qed_chain_free,
1242         .set_led = &qed_set_led,
1243 };