linux/drivers/net/ethernet/qlogic/qed/qed_main.c
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   1/* QLogic qed NIC Driver
   2 * Copyright (c) 2015-2017  QLogic Corporation
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and /or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 */
  32
  33#include <linux/stddef.h>
  34#include <linux/pci.h>
  35#include <linux/kernel.h>
  36#include <linux/slab.h>
  37#include <linux/delay.h>
  38#include <asm/byteorder.h>
  39#include <linux/dma-mapping.h>
  40#include <linux/string.h>
  41#include <linux/module.h>
  42#include <linux/interrupt.h>
  43#include <linux/workqueue.h>
  44#include <linux/ethtool.h>
  45#include <linux/etherdevice.h>
  46#include <linux/vmalloc.h>
  47#include <linux/crash_dump.h>
  48#include <linux/crc32.h>
  49#include <linux/qed/qed_if.h>
  50#include <linux/qed/qed_ll2_if.h>
  51#include <net/devlink.h>
  52
  53#include "qed.h"
  54#include "qed_sriov.h"
  55#include "qed_sp.h"
  56#include "qed_dev_api.h"
  57#include "qed_ll2.h"
  58#include "qed_fcoe.h"
  59#include "qed_iscsi.h"
  60
  61#include "qed_mcp.h"
  62#include "qed_reg_addr.h"
  63#include "qed_hw.h"
  64#include "qed_selftest.h"
  65#include "qed_debug.h"
  66
  67#define QED_ROCE_QPS                    (8192)
  68#define QED_ROCE_DPIS                   (8)
  69#define QED_RDMA_SRQS                   QED_ROCE_QPS
  70
  71static char version[] =
  72        "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  73
  74MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  75MODULE_LICENSE("GPL");
  76MODULE_VERSION(DRV_MODULE_VERSION);
  77
  78#define FW_FILE_VERSION                         \
  79        __stringify(FW_MAJOR_VERSION) "."       \
  80        __stringify(FW_MINOR_VERSION) "."       \
  81        __stringify(FW_REVISION_VERSION) "."    \
  82        __stringify(FW_ENGINEERING_VERSION)
  83
  84#define QED_FW_FILE_NAME        \
  85        "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
  86
  87MODULE_FIRMWARE(QED_FW_FILE_NAME);
  88
  89static int __init qed_init(void)
  90{
  91        pr_info("%s", version);
  92
  93        return 0;
  94}
  95
  96static void __exit qed_cleanup(void)
  97{
  98        pr_notice("qed_cleanup called\n");
  99}
 100
 101module_init(qed_init);
 102module_exit(qed_cleanup);
 103
 104/* Check if the DMA controller on the machine can properly handle the DMA
 105 * addressing required by the device.
 106*/
 107static int qed_set_coherency_mask(struct qed_dev *cdev)
 108{
 109        struct device *dev = &cdev->pdev->dev;
 110
 111        if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
 112                if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
 113                        DP_NOTICE(cdev,
 114                                  "Can't request 64-bit consistent allocations\n");
 115                        return -EIO;
 116                }
 117        } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
 118                DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
 119                return -EIO;
 120        }
 121
 122        return 0;
 123}
 124
 125static void qed_free_pci(struct qed_dev *cdev)
 126{
 127        struct pci_dev *pdev = cdev->pdev;
 128
 129        if (cdev->doorbells && cdev->db_size)
 130                iounmap(cdev->doorbells);
 131        if (cdev->regview)
 132                iounmap(cdev->regview);
 133        if (atomic_read(&pdev->enable_cnt) == 1)
 134                pci_release_regions(pdev);
 135
 136        pci_disable_device(pdev);
 137}
 138
 139#define PCI_REVISION_ID_ERROR_VAL       0xff
 140
 141/* Performs PCI initializations as well as initializing PCI-related parameters
 142 * in the device structrue. Returns 0 in case of success.
 143 */
 144static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
 145{
 146        u8 rev_id;
 147        int rc;
 148
 149        cdev->pdev = pdev;
 150
 151        rc = pci_enable_device(pdev);
 152        if (rc) {
 153                DP_NOTICE(cdev, "Cannot enable PCI device\n");
 154                goto err0;
 155        }
 156
 157        if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
 158                DP_NOTICE(cdev, "No memory region found in bar #0\n");
 159                rc = -EIO;
 160                goto err1;
 161        }
 162
 163        if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
 164                DP_NOTICE(cdev, "No memory region found in bar #2\n");
 165                rc = -EIO;
 166                goto err1;
 167        }
 168
 169        if (atomic_read(&pdev->enable_cnt) == 1) {
 170                rc = pci_request_regions(pdev, "qed");
 171                if (rc) {
 172                        DP_NOTICE(cdev,
 173                                  "Failed to request PCI memory resources\n");
 174                        goto err1;
 175                }
 176                pci_set_master(pdev);
 177                pci_save_state(pdev);
 178        }
 179
 180        pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
 181        if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
 182                DP_NOTICE(cdev,
 183                          "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
 184                          rev_id);
 185                rc = -ENODEV;
 186                goto err2;
 187        }
 188        if (!pci_is_pcie(pdev)) {
 189                DP_NOTICE(cdev, "The bus is not PCI Express\n");
 190                rc = -EIO;
 191                goto err2;
 192        }
 193
 194        cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
 195        if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
 196                DP_NOTICE(cdev, "Cannot find power management capability\n");
 197
 198        rc = qed_set_coherency_mask(cdev);
 199        if (rc)
 200                goto err2;
 201
 202        cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
 203        cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
 204        cdev->pci_params.irq = pdev->irq;
 205
 206        cdev->regview = pci_ioremap_bar(pdev, 0);
 207        if (!cdev->regview) {
 208                DP_NOTICE(cdev, "Cannot map register space, aborting\n");
 209                rc = -ENOMEM;
 210                goto err2;
 211        }
 212
 213        cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
 214        cdev->db_size = pci_resource_len(cdev->pdev, 2);
 215        if (!cdev->db_size) {
 216                if (IS_PF(cdev)) {
 217                        DP_NOTICE(cdev, "No Doorbell bar available\n");
 218                        return -EINVAL;
 219                } else {
 220                        return 0;
 221                }
 222        }
 223
 224        cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
 225
 226        if (!cdev->doorbells) {
 227                DP_NOTICE(cdev, "Cannot map doorbell space\n");
 228                return -ENOMEM;
 229        }
 230
 231        return 0;
 232
 233err2:
 234        pci_release_regions(pdev);
 235err1:
 236        pci_disable_device(pdev);
 237err0:
 238        return rc;
 239}
 240
 241int qed_fill_dev_info(struct qed_dev *cdev,
 242                      struct qed_dev_info *dev_info)
 243{
 244        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
 245        struct qed_hw_info *hw_info = &p_hwfn->hw_info;
 246        struct qed_tunnel_info *tun = &cdev->tunnel;
 247        struct qed_ptt  *ptt;
 248
 249        memset(dev_info, 0, sizeof(struct qed_dev_info));
 250
 251        if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
 252            tun->vxlan.b_mode_enabled)
 253                dev_info->vxlan_enable = true;
 254
 255        if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
 256            tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
 257            tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
 258                dev_info->gre_enable = true;
 259
 260        if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
 261            tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
 262            tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
 263                dev_info->geneve_enable = true;
 264
 265        dev_info->num_hwfns = cdev->num_hwfns;
 266        dev_info->pci_mem_start = cdev->pci_params.mem_start;
 267        dev_info->pci_mem_end = cdev->pci_params.mem_end;
 268        dev_info->pci_irq = cdev->pci_params.irq;
 269        dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
 270        dev_info->dev_type = cdev->type;
 271        ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
 272
 273        if (IS_PF(cdev)) {
 274                dev_info->fw_major = FW_MAJOR_VERSION;
 275                dev_info->fw_minor = FW_MINOR_VERSION;
 276                dev_info->fw_rev = FW_REVISION_VERSION;
 277                dev_info->fw_eng = FW_ENGINEERING_VERSION;
 278                dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
 279                                                       &cdev->mf_bits);
 280                dev_info->tx_switching = true;
 281
 282                if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
 283                        dev_info->wol_support = true;
 284
 285                dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
 286
 287                dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
 288        } else {
 289                qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
 290                                      &dev_info->fw_minor, &dev_info->fw_rev,
 291                                      &dev_info->fw_eng);
 292        }
 293
 294        if (IS_PF(cdev)) {
 295                ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
 296                if (ptt) {
 297                        qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
 298                                            &dev_info->mfw_rev, NULL);
 299
 300                        qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
 301                                            &dev_info->mbi_version);
 302
 303                        qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
 304                                               &dev_info->flash_size);
 305
 306                        qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
 307                }
 308        } else {
 309                qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
 310                                    &dev_info->mfw_rev, NULL);
 311        }
 312
 313        dev_info->mtu = hw_info->mtu;
 314
 315        return 0;
 316}
 317
 318static void qed_free_cdev(struct qed_dev *cdev)
 319{
 320        kfree((void *)cdev);
 321}
 322
 323static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
 324{
 325        struct qed_dev *cdev;
 326
 327        cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
 328        if (!cdev)
 329                return cdev;
 330
 331        qed_init_struct(cdev);
 332
 333        return cdev;
 334}
 335
 336/* Sets the requested power state */
 337static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
 338{
 339        if (!cdev)
 340                return -ENODEV;
 341
 342        DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
 343        return 0;
 344}
 345
 346struct qed_devlink {
 347        struct qed_dev *cdev;
 348};
 349
 350enum qed_devlink_param_id {
 351        QED_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
 352        QED_DEVLINK_PARAM_ID_IWARP_CMT,
 353};
 354
 355static int qed_dl_param_get(struct devlink *dl, u32 id,
 356                            struct devlink_param_gset_ctx *ctx)
 357{
 358        struct qed_devlink *qed_dl;
 359        struct qed_dev *cdev;
 360
 361        qed_dl = devlink_priv(dl);
 362        cdev = qed_dl->cdev;
 363        ctx->val.vbool = cdev->iwarp_cmt;
 364
 365        return 0;
 366}
 367
 368static int qed_dl_param_set(struct devlink *dl, u32 id,
 369                            struct devlink_param_gset_ctx *ctx)
 370{
 371        struct qed_devlink *qed_dl;
 372        struct qed_dev *cdev;
 373
 374        qed_dl = devlink_priv(dl);
 375        cdev = qed_dl->cdev;
 376        cdev->iwarp_cmt = ctx->val.vbool;
 377
 378        return 0;
 379}
 380
 381static const struct devlink_param qed_devlink_params[] = {
 382        DEVLINK_PARAM_DRIVER(QED_DEVLINK_PARAM_ID_IWARP_CMT,
 383                             "iwarp_cmt", DEVLINK_PARAM_TYPE_BOOL,
 384                             BIT(DEVLINK_PARAM_CMODE_RUNTIME),
 385                             qed_dl_param_get, qed_dl_param_set, NULL),
 386};
 387
 388static const struct devlink_ops qed_dl_ops;
 389
 390static int qed_devlink_register(struct qed_dev *cdev)
 391{
 392        union devlink_param_value value;
 393        struct qed_devlink *qed_dl;
 394        struct devlink *dl;
 395        int rc;
 396
 397        dl = devlink_alloc(&qed_dl_ops, sizeof(*qed_dl));
 398        if (!dl)
 399                return -ENOMEM;
 400
 401        qed_dl = devlink_priv(dl);
 402
 403        cdev->dl = dl;
 404        qed_dl->cdev = cdev;
 405
 406        rc = devlink_register(dl, &cdev->pdev->dev);
 407        if (rc)
 408                goto err_free;
 409
 410        rc = devlink_params_register(dl, qed_devlink_params,
 411                                     ARRAY_SIZE(qed_devlink_params));
 412        if (rc)
 413                goto err_unregister;
 414
 415        value.vbool = false;
 416        devlink_param_driverinit_value_set(dl,
 417                                           QED_DEVLINK_PARAM_ID_IWARP_CMT,
 418                                           value);
 419
 420        devlink_params_publish(dl);
 421        cdev->iwarp_cmt = false;
 422
 423        return 0;
 424
 425err_unregister:
 426        devlink_unregister(dl);
 427
 428err_free:
 429        cdev->dl = NULL;
 430        devlink_free(dl);
 431
 432        return rc;
 433}
 434
 435static void qed_devlink_unregister(struct qed_dev *cdev)
 436{
 437        if (!cdev->dl)
 438                return;
 439
 440        devlink_params_unregister(cdev->dl, qed_devlink_params,
 441                                  ARRAY_SIZE(qed_devlink_params));
 442
 443        devlink_unregister(cdev->dl);
 444        devlink_free(cdev->dl);
 445}
 446
 447/* probing */
 448static struct qed_dev *qed_probe(struct pci_dev *pdev,
 449                                 struct qed_probe_params *params)
 450{
 451        struct qed_dev *cdev;
 452        int rc;
 453
 454        cdev = qed_alloc_cdev(pdev);
 455        if (!cdev)
 456                goto err0;
 457
 458        cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
 459        cdev->protocol = params->protocol;
 460
 461        if (params->is_vf)
 462                cdev->b_is_vf = true;
 463
 464        qed_init_dp(cdev, params->dp_module, params->dp_level);
 465
 466        cdev->recov_in_prog = params->recov_in_prog;
 467
 468        rc = qed_init_pci(cdev, pdev);
 469        if (rc) {
 470                DP_ERR(cdev, "init pci failed\n");
 471                goto err1;
 472        }
 473        DP_INFO(cdev, "PCI init completed successfully\n");
 474
 475        rc = qed_devlink_register(cdev);
 476        if (rc) {
 477                DP_INFO(cdev, "Failed to register devlink.\n");
 478                goto err2;
 479        }
 480
 481        rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
 482        if (rc) {
 483                DP_ERR(cdev, "hw prepare failed\n");
 484                goto err2;
 485        }
 486
 487        DP_INFO(cdev, "qed_probe completed successfully\n");
 488
 489        return cdev;
 490
 491err2:
 492        qed_free_pci(cdev);
 493err1:
 494        qed_free_cdev(cdev);
 495err0:
 496        return NULL;
 497}
 498
 499static void qed_remove(struct qed_dev *cdev)
 500{
 501        if (!cdev)
 502                return;
 503
 504        qed_hw_remove(cdev);
 505
 506        qed_free_pci(cdev);
 507
 508        qed_set_power_state(cdev, PCI_D3hot);
 509
 510        qed_devlink_unregister(cdev);
 511
 512        qed_free_cdev(cdev);
 513}
 514
 515static void qed_disable_msix(struct qed_dev *cdev)
 516{
 517        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 518                pci_disable_msix(cdev->pdev);
 519                kfree(cdev->int_params.msix_table);
 520        } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
 521                pci_disable_msi(cdev->pdev);
 522        }
 523
 524        memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
 525}
 526
 527static int qed_enable_msix(struct qed_dev *cdev,
 528                           struct qed_int_params *int_params)
 529{
 530        int i, rc, cnt;
 531
 532        cnt = int_params->in.num_vectors;
 533
 534        for (i = 0; i < cnt; i++)
 535                int_params->msix_table[i].entry = i;
 536
 537        rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
 538                                   int_params->in.min_msix_cnt, cnt);
 539        if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
 540            (rc % cdev->num_hwfns)) {
 541                pci_disable_msix(cdev->pdev);
 542
 543                /* If fastpath is initialized, we need at least one interrupt
 544                 * per hwfn [and the slow path interrupts]. New requested number
 545                 * should be a multiple of the number of hwfns.
 546                 */
 547                cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
 548                DP_NOTICE(cdev,
 549                          "Trying to enable MSI-X with less vectors (%d out of %d)\n",
 550                          cnt, int_params->in.num_vectors);
 551                rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
 552                                           cnt);
 553                if (!rc)
 554                        rc = cnt;
 555        }
 556
 557        if (rc > 0) {
 558                /* MSI-x configuration was achieved */
 559                int_params->out.int_mode = QED_INT_MODE_MSIX;
 560                int_params->out.num_vectors = rc;
 561                rc = 0;
 562        } else {
 563                DP_NOTICE(cdev,
 564                          "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
 565                          cnt, rc);
 566        }
 567
 568        return rc;
 569}
 570
 571/* This function outputs the int mode and the number of enabled msix vector */
 572static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
 573{
 574        struct qed_int_params *int_params = &cdev->int_params;
 575        struct msix_entry *tbl;
 576        int rc = 0, cnt;
 577
 578        switch (int_params->in.int_mode) {
 579        case QED_INT_MODE_MSIX:
 580                /* Allocate MSIX table */
 581                cnt = int_params->in.num_vectors;
 582                int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
 583                if (!int_params->msix_table) {
 584                        rc = -ENOMEM;
 585                        goto out;
 586                }
 587
 588                /* Enable MSIX */
 589                rc = qed_enable_msix(cdev, int_params);
 590                if (!rc)
 591                        goto out;
 592
 593                DP_NOTICE(cdev, "Failed to enable MSI-X\n");
 594                kfree(int_params->msix_table);
 595                if (force_mode)
 596                        goto out;
 597                /* Fallthrough */
 598
 599        case QED_INT_MODE_MSI:
 600                if (cdev->num_hwfns == 1) {
 601                        rc = pci_enable_msi(cdev->pdev);
 602                        if (!rc) {
 603                                int_params->out.int_mode = QED_INT_MODE_MSI;
 604                                goto out;
 605                        }
 606
 607                        DP_NOTICE(cdev, "Failed to enable MSI\n");
 608                        if (force_mode)
 609                                goto out;
 610                }
 611                /* Fallthrough */
 612
 613        case QED_INT_MODE_INTA:
 614                        int_params->out.int_mode = QED_INT_MODE_INTA;
 615                        rc = 0;
 616                        goto out;
 617        default:
 618                DP_NOTICE(cdev, "Unknown int_mode value %d\n",
 619                          int_params->in.int_mode);
 620                rc = -EINVAL;
 621        }
 622
 623out:
 624        if (!rc)
 625                DP_INFO(cdev, "Using %s interrupts\n",
 626                        int_params->out.int_mode == QED_INT_MODE_INTA ?
 627                        "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
 628                        "MSI" : "MSIX");
 629        cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
 630
 631        return rc;
 632}
 633
 634static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
 635                                    int index, void(*handler)(void *))
 636{
 637        struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 638        int relative_idx = index / cdev->num_hwfns;
 639
 640        hwfn->simd_proto_handler[relative_idx].func = handler;
 641        hwfn->simd_proto_handler[relative_idx].token = token;
 642}
 643
 644static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
 645{
 646        struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
 647        int relative_idx = index / cdev->num_hwfns;
 648
 649        memset(&hwfn->simd_proto_handler[relative_idx], 0,
 650               sizeof(struct qed_simd_fp_handler));
 651}
 652
 653static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
 654{
 655        tasklet_schedule((struct tasklet_struct *)tasklet);
 656        return IRQ_HANDLED;
 657}
 658
 659static irqreturn_t qed_single_int(int irq, void *dev_instance)
 660{
 661        struct qed_dev *cdev = (struct qed_dev *)dev_instance;
 662        struct qed_hwfn *hwfn;
 663        irqreturn_t rc = IRQ_NONE;
 664        u64 status;
 665        int i, j;
 666
 667        for (i = 0; i < cdev->num_hwfns; i++) {
 668                status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
 669
 670                if (!status)
 671                        continue;
 672
 673                hwfn = &cdev->hwfns[i];
 674
 675                /* Slowpath interrupt */
 676                if (unlikely(status & 0x1)) {
 677                        tasklet_schedule(hwfn->sp_dpc);
 678                        status &= ~0x1;
 679                        rc = IRQ_HANDLED;
 680                }
 681
 682                /* Fastpath interrupts */
 683                for (j = 0; j < 64; j++) {
 684                        if ((0x2ULL << j) & status) {
 685                                struct qed_simd_fp_handler *p_handler =
 686                                        &hwfn->simd_proto_handler[j];
 687
 688                                if (p_handler->func)
 689                                        p_handler->func(p_handler->token);
 690                                else
 691                                        DP_NOTICE(hwfn,
 692                                                  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
 693                                                  j, status);
 694
 695                                status &= ~(0x2ULL << j);
 696                                rc = IRQ_HANDLED;
 697                        }
 698                }
 699
 700                if (unlikely(status))
 701                        DP_VERBOSE(hwfn, NETIF_MSG_INTR,
 702                                   "got an unknown interrupt status 0x%llx\n",
 703                                   status);
 704        }
 705
 706        return rc;
 707}
 708
 709int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
 710{
 711        struct qed_dev *cdev = hwfn->cdev;
 712        u32 int_mode;
 713        int rc = 0;
 714        u8 id;
 715
 716        int_mode = cdev->int_params.out.int_mode;
 717        if (int_mode == QED_INT_MODE_MSIX) {
 718                id = hwfn->my_id;
 719                snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
 720                         id, cdev->pdev->bus->number,
 721                         PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
 722                rc = request_irq(cdev->int_params.msix_table[id].vector,
 723                                 qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
 724        } else {
 725                unsigned long flags = 0;
 726
 727                snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
 728                         cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
 729                         PCI_FUNC(cdev->pdev->devfn));
 730
 731                if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
 732                        flags |= IRQF_SHARED;
 733
 734                rc = request_irq(cdev->pdev->irq, qed_single_int,
 735                                 flags, cdev->name, cdev);
 736        }
 737
 738        if (rc)
 739                DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
 740        else
 741                DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
 742                           "Requested slowpath %s\n",
 743                           (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
 744
 745        return rc;
 746}
 747
 748static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
 749{
 750        /* Calling the disable function will make sure that any
 751         * currently-running function is completed. The following call to the
 752         * enable function makes this sequence a flush-like operation.
 753         */
 754        if (p_hwfn->b_sp_dpc_enabled) {
 755                tasklet_disable(p_hwfn->sp_dpc);
 756                tasklet_enable(p_hwfn->sp_dpc);
 757        }
 758}
 759
 760void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
 761{
 762        struct qed_dev *cdev = p_hwfn->cdev;
 763        u8 id = p_hwfn->my_id;
 764        u32 int_mode;
 765
 766        int_mode = cdev->int_params.out.int_mode;
 767        if (int_mode == QED_INT_MODE_MSIX)
 768                synchronize_irq(cdev->int_params.msix_table[id].vector);
 769        else
 770                synchronize_irq(cdev->pdev->irq);
 771
 772        qed_slowpath_tasklet_flush(p_hwfn);
 773}
 774
 775static void qed_slowpath_irq_free(struct qed_dev *cdev)
 776{
 777        int i;
 778
 779        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 780                for_each_hwfn(cdev, i) {
 781                        if (!cdev->hwfns[i].b_int_requested)
 782                                break;
 783                        synchronize_irq(cdev->int_params.msix_table[i].vector);
 784                        free_irq(cdev->int_params.msix_table[i].vector,
 785                                 cdev->hwfns[i].sp_dpc);
 786                }
 787        } else {
 788                if (QED_LEADING_HWFN(cdev)->b_int_requested)
 789                        free_irq(cdev->pdev->irq, cdev);
 790        }
 791        qed_int_disable_post_isr_release(cdev);
 792}
 793
 794static int qed_nic_stop(struct qed_dev *cdev)
 795{
 796        int i, rc;
 797
 798        rc = qed_hw_stop(cdev);
 799
 800        for (i = 0; i < cdev->num_hwfns; i++) {
 801                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 802
 803                if (p_hwfn->b_sp_dpc_enabled) {
 804                        tasklet_disable(p_hwfn->sp_dpc);
 805                        p_hwfn->b_sp_dpc_enabled = false;
 806                        DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
 807                                   "Disabled sp tasklet [hwfn %d] at %p\n",
 808                                   i, p_hwfn->sp_dpc);
 809                }
 810        }
 811
 812        qed_dbg_pf_exit(cdev);
 813
 814        return rc;
 815}
 816
 817static int qed_nic_setup(struct qed_dev *cdev)
 818{
 819        int rc, i;
 820
 821        /* Determine if interface is going to require LL2 */
 822        if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
 823                for (i = 0; i < cdev->num_hwfns; i++) {
 824                        struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
 825
 826                        p_hwfn->using_ll2 = true;
 827                }
 828        }
 829
 830        rc = qed_resc_alloc(cdev);
 831        if (rc)
 832                return rc;
 833
 834        DP_INFO(cdev, "Allocated qed resources\n");
 835
 836        qed_resc_setup(cdev);
 837
 838        return rc;
 839}
 840
 841static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
 842{
 843        int limit = 0;
 844
 845        /* Mark the fastpath as free/used */
 846        cdev->int_params.fp_initialized = cnt ? true : false;
 847
 848        if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
 849                limit = cdev->num_hwfns * 63;
 850        else if (cdev->int_params.fp_msix_cnt)
 851                limit = cdev->int_params.fp_msix_cnt;
 852
 853        if (!limit)
 854                return -ENOMEM;
 855
 856        return min_t(int, cnt, limit);
 857}
 858
 859static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
 860{
 861        memset(info, 0, sizeof(struct qed_int_info));
 862
 863        if (!cdev->int_params.fp_initialized) {
 864                DP_INFO(cdev,
 865                        "Protocol driver requested interrupt information, but its support is not yet configured\n");
 866                return -EINVAL;
 867        }
 868
 869        /* Need to expose only MSI-X information; Single IRQ is handled solely
 870         * by qed.
 871         */
 872        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
 873                int msix_base = cdev->int_params.fp_msix_base;
 874
 875                info->msix_cnt = cdev->int_params.fp_msix_cnt;
 876                info->msix = &cdev->int_params.msix_table[msix_base];
 877        }
 878
 879        return 0;
 880}
 881
 882static int qed_slowpath_setup_int(struct qed_dev *cdev,
 883                                  enum qed_int_mode int_mode)
 884{
 885        struct qed_sb_cnt_info sb_cnt_info;
 886        int num_l2_queues = 0;
 887        int rc;
 888        int i;
 889
 890        if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
 891                DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
 892                return -EINVAL;
 893        }
 894
 895        memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
 896        cdev->int_params.in.int_mode = int_mode;
 897        for_each_hwfn(cdev, i) {
 898                memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
 899                qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
 900                cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
 901                cdev->int_params.in.num_vectors++; /* slowpath */
 902        }
 903
 904        /* We want a minimum of one slowpath and one fastpath vector per hwfn */
 905        cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
 906
 907        if (is_kdump_kernel()) {
 908                DP_INFO(cdev,
 909                        "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
 910                        cdev->int_params.in.min_msix_cnt);
 911                cdev->int_params.in.num_vectors =
 912                        cdev->int_params.in.min_msix_cnt;
 913        }
 914
 915        rc = qed_set_int_mode(cdev, false);
 916        if (rc)  {
 917                DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
 918                return rc;
 919        }
 920
 921        cdev->int_params.fp_msix_base = cdev->num_hwfns;
 922        cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
 923                                       cdev->num_hwfns;
 924
 925        if (!IS_ENABLED(CONFIG_QED_RDMA) ||
 926            !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
 927                return 0;
 928
 929        for_each_hwfn(cdev, i)
 930                num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
 931
 932        DP_VERBOSE(cdev, QED_MSG_RDMA,
 933                   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
 934                   cdev->int_params.fp_msix_cnt, num_l2_queues);
 935
 936        if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
 937                cdev->int_params.rdma_msix_cnt =
 938                        (cdev->int_params.fp_msix_cnt - num_l2_queues)
 939                        / cdev->num_hwfns;
 940                cdev->int_params.rdma_msix_base =
 941                        cdev->int_params.fp_msix_base + num_l2_queues;
 942                cdev->int_params.fp_msix_cnt = num_l2_queues;
 943        } else {
 944                cdev->int_params.rdma_msix_cnt = 0;
 945        }
 946
 947        DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
 948                   cdev->int_params.rdma_msix_cnt,
 949                   cdev->int_params.rdma_msix_base);
 950
 951        return 0;
 952}
 953
 954static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
 955{
 956        int rc;
 957
 958        memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
 959        cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
 960
 961        qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
 962                            &cdev->int_params.in.num_vectors);
 963        if (cdev->num_hwfns > 1) {
 964                u8 vectors = 0;
 965
 966                qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
 967                cdev->int_params.in.num_vectors += vectors;
 968        }
 969
 970        /* We want a minimum of one fastpath vector per vf hwfn */
 971        cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
 972
 973        rc = qed_set_int_mode(cdev, true);
 974        if (rc)
 975                return rc;
 976
 977        cdev->int_params.fp_msix_base = 0;
 978        cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
 979
 980        return 0;
 981}
 982
 983u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
 984                   u8 *input_buf, u32 max_size, u8 *unzip_buf)
 985{
 986        int rc;
 987
 988        p_hwfn->stream->next_in = input_buf;
 989        p_hwfn->stream->avail_in = input_len;
 990        p_hwfn->stream->next_out = unzip_buf;
 991        p_hwfn->stream->avail_out = max_size;
 992
 993        rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
 994
 995        if (rc != Z_OK) {
 996                DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
 997                           rc);
 998                return 0;
 999        }
1000
1001        rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
1002        zlib_inflateEnd(p_hwfn->stream);
1003
1004        if (rc != Z_OK && rc != Z_STREAM_END) {
1005                DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
1006                           p_hwfn->stream->msg, rc);
1007                return 0;
1008        }
1009
1010        return p_hwfn->stream->total_out / 4;
1011}
1012
1013static int qed_alloc_stream_mem(struct qed_dev *cdev)
1014{
1015        int i;
1016        void *workspace;
1017
1018        for_each_hwfn(cdev, i) {
1019                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1020
1021                p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
1022                if (!p_hwfn->stream)
1023                        return -ENOMEM;
1024
1025                workspace = vzalloc(zlib_inflate_workspacesize());
1026                if (!workspace)
1027                        return -ENOMEM;
1028                p_hwfn->stream->workspace = workspace;
1029        }
1030
1031        return 0;
1032}
1033
1034static void qed_free_stream_mem(struct qed_dev *cdev)
1035{
1036        int i;
1037
1038        for_each_hwfn(cdev, i) {
1039                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1040
1041                if (!p_hwfn->stream)
1042                        return;
1043
1044                vfree(p_hwfn->stream->workspace);
1045                kfree(p_hwfn->stream);
1046        }
1047}
1048
1049static void qed_update_pf_params(struct qed_dev *cdev,
1050                                 struct qed_pf_params *params)
1051{
1052        int i;
1053
1054        if (IS_ENABLED(CONFIG_QED_RDMA)) {
1055                params->rdma_pf_params.num_qps = QED_ROCE_QPS;
1056                params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
1057                params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
1058                /* divide by 3 the MRs to avoid MF ILT overflow */
1059                params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
1060        }
1061
1062        if (cdev->num_hwfns > 1 || IS_VF(cdev))
1063                params->eth_pf_params.num_arfs_filters = 0;
1064
1065        /* In case we might support RDMA, don't allow qede to be greedy
1066         * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
1067         * per hwfn.
1068         */
1069        if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
1070                u16 *num_cons;
1071
1072                num_cons = &params->eth_pf_params.num_cons;
1073                *num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
1074        }
1075
1076        for (i = 0; i < cdev->num_hwfns; i++) {
1077                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
1078
1079                p_hwfn->pf_params = *params;
1080        }
1081}
1082
1083#define QED_PERIODIC_DB_REC_COUNT               10
1084#define QED_PERIODIC_DB_REC_INTERVAL_MS         100
1085#define QED_PERIODIC_DB_REC_INTERVAL \
1086        msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)
1087#define QED_PERIODIC_DB_REC_WAIT_COUNT          10
1088#define QED_PERIODIC_DB_REC_WAIT_INTERVAL \
1089        (QED_PERIODIC_DB_REC_INTERVAL_MS / QED_PERIODIC_DB_REC_WAIT_COUNT)
1090
1091static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
1092                                     enum qed_slowpath_wq_flag wq_flag,
1093                                     unsigned long delay)
1094{
1095        if (!hwfn->slowpath_wq_active)
1096                return -EINVAL;
1097
1098        /* Memory barrier for setting atomic bit */
1099        smp_mb__before_atomic();
1100        set_bit(wq_flag, &hwfn->slowpath_task_flags);
1101        smp_mb__after_atomic();
1102        queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);
1103
1104        return 0;
1105}
1106
1107void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
1108{
1109        /* Reset periodic Doorbell Recovery counter */
1110        p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;
1111
1112        /* Don't schedule periodic Doorbell Recovery if already scheduled */
1113        if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1114                     &p_hwfn->slowpath_task_flags))
1115                return;
1116
1117        qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
1118                                  QED_PERIODIC_DB_REC_INTERVAL);
1119}
1120
1121static void qed_slowpath_wq_stop(struct qed_dev *cdev)
1122{
1123        int i, sleep_count = QED_PERIODIC_DB_REC_WAIT_COUNT;
1124
1125        if (IS_VF(cdev))
1126                return;
1127
1128        for_each_hwfn(cdev, i) {
1129                if (!cdev->hwfns[i].slowpath_wq)
1130                        continue;
1131
1132                /* Stop queuing new delayed works */
1133                cdev->hwfns[i].slowpath_wq_active = false;
1134
1135                /* Wait until the last periodic doorbell recovery is executed */
1136                while (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1137                                &cdev->hwfns[i].slowpath_task_flags) &&
1138                       sleep_count--)
1139                        msleep(QED_PERIODIC_DB_REC_WAIT_INTERVAL);
1140
1141                flush_workqueue(cdev->hwfns[i].slowpath_wq);
1142                destroy_workqueue(cdev->hwfns[i].slowpath_wq);
1143        }
1144}
1145
1146static void qed_slowpath_task(struct work_struct *work)
1147{
1148        struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1149                                             slowpath_task.work);
1150        struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
1151
1152        if (!ptt) {
1153                if (hwfn->slowpath_wq_active)
1154                        queue_delayed_work(hwfn->slowpath_wq,
1155                                           &hwfn->slowpath_task, 0);
1156
1157                return;
1158        }
1159
1160        if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
1161                               &hwfn->slowpath_task_flags))
1162                qed_mfw_process_tlv_req(hwfn, ptt);
1163
1164        if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
1165                               &hwfn->slowpath_task_flags)) {
1166                qed_db_rec_handler(hwfn, ptt);
1167                if (hwfn->periodic_db_rec_count--)
1168                        qed_slowpath_delayed_work(hwfn,
1169                                                  QED_SLOWPATH_PERIODIC_DB_REC,
1170                                                  QED_PERIODIC_DB_REC_INTERVAL);
1171        }
1172
1173        qed_ptt_release(hwfn, ptt);
1174}
1175
1176static int qed_slowpath_wq_start(struct qed_dev *cdev)
1177{
1178        struct qed_hwfn *hwfn;
1179        char name[NAME_SIZE];
1180        int i;
1181
1182        if (IS_VF(cdev))
1183                return 0;
1184
1185        for_each_hwfn(cdev, i) {
1186                hwfn = &cdev->hwfns[i];
1187
1188                snprintf(name, NAME_SIZE, "slowpath-%02x:%02x.%02x",
1189                         cdev->pdev->bus->number,
1190                         PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
1191
1192                hwfn->slowpath_wq = alloc_workqueue(name, 0, 0);
1193                if (!hwfn->slowpath_wq) {
1194                        DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
1195                        return -ENOMEM;
1196                }
1197
1198                INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
1199                hwfn->slowpath_wq_active = true;
1200        }
1201
1202        return 0;
1203}
1204
1205static int qed_slowpath_start(struct qed_dev *cdev,
1206                              struct qed_slowpath_params *params)
1207{
1208        struct qed_drv_load_params drv_load_params;
1209        struct qed_hw_init_params hw_init_params;
1210        struct qed_mcp_drv_version drv_version;
1211        struct qed_tunnel_info tunn_info;
1212        const u8 *data = NULL;
1213        struct qed_hwfn *hwfn;
1214        struct qed_ptt *p_ptt;
1215        int rc = -EINVAL;
1216
1217        if (qed_iov_wq_start(cdev))
1218                goto err;
1219
1220        if (qed_slowpath_wq_start(cdev))
1221                goto err;
1222
1223        if (IS_PF(cdev)) {
1224                rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
1225                                      &cdev->pdev->dev);
1226                if (rc) {
1227                        DP_NOTICE(cdev,
1228                                  "Failed to find fw file - /lib/firmware/%s\n",
1229                                  QED_FW_FILE_NAME);
1230                        goto err;
1231                }
1232
1233                if (cdev->num_hwfns == 1) {
1234                        p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
1235                        if (p_ptt) {
1236                                QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
1237                        } else {
1238                                DP_NOTICE(cdev,
1239                                          "Failed to acquire PTT for aRFS\n");
1240                                goto err;
1241                        }
1242                }
1243        }
1244
1245        cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
1246        rc = qed_nic_setup(cdev);
1247        if (rc)
1248                goto err;
1249
1250        if (IS_PF(cdev))
1251                rc = qed_slowpath_setup_int(cdev, params->int_mode);
1252        else
1253                rc = qed_slowpath_vf_setup_int(cdev);
1254        if (rc)
1255                goto err1;
1256
1257        if (IS_PF(cdev)) {
1258                /* Allocate stream for unzipping */
1259                rc = qed_alloc_stream_mem(cdev);
1260                if (rc)
1261                        goto err2;
1262
1263                /* First Dword used to differentiate between various sources */
1264                data = cdev->firmware->data + sizeof(u32);
1265
1266                qed_dbg_pf_init(cdev);
1267        }
1268
1269        /* Start the slowpath */
1270        memset(&hw_init_params, 0, sizeof(hw_init_params));
1271        memset(&tunn_info, 0, sizeof(tunn_info));
1272        tunn_info.vxlan.b_mode_enabled = true;
1273        tunn_info.l2_gre.b_mode_enabled = true;
1274        tunn_info.ip_gre.b_mode_enabled = true;
1275        tunn_info.l2_geneve.b_mode_enabled = true;
1276        tunn_info.ip_geneve.b_mode_enabled = true;
1277        tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1278        tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1279        tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1280        tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1281        tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
1282        hw_init_params.p_tunn = &tunn_info;
1283        hw_init_params.b_hw_start = true;
1284        hw_init_params.int_mode = cdev->int_params.out.int_mode;
1285        hw_init_params.allow_npar_tx_switch = true;
1286        hw_init_params.bin_fw_data = data;
1287
1288        memset(&drv_load_params, 0, sizeof(drv_load_params));
1289        drv_load_params.is_crash_kernel = is_kdump_kernel();
1290        drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
1291        drv_load_params.avoid_eng_reset = false;
1292        drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
1293        hw_init_params.p_drv_load_params = &drv_load_params;
1294
1295        rc = qed_hw_init(cdev, &hw_init_params);
1296        if (rc)
1297                goto err2;
1298
1299        DP_INFO(cdev,
1300                "HW initialization and function start completed successfully\n");
1301
1302        if (IS_PF(cdev)) {
1303                cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
1304                                           BIT(QED_MODE_L2GENEVE_TUNN) |
1305                                           BIT(QED_MODE_IPGENEVE_TUNN) |
1306                                           BIT(QED_MODE_L2GRE_TUNN) |
1307                                           BIT(QED_MODE_IPGRE_TUNN));
1308        }
1309
1310        /* Allocate LL2 interface if needed */
1311        if (QED_LEADING_HWFN(cdev)->using_ll2) {
1312                rc = qed_ll2_alloc_if(cdev);
1313                if (rc)
1314                        goto err3;
1315        }
1316        if (IS_PF(cdev)) {
1317                hwfn = QED_LEADING_HWFN(cdev);
1318                drv_version.version = (params->drv_major << 24) |
1319                                      (params->drv_minor << 16) |
1320                                      (params->drv_rev << 8) |
1321                                      (params->drv_eng);
1322                strlcpy(drv_version.name, params->name,
1323                        MCP_DRV_VER_STR_SIZE - 4);
1324                rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
1325                                              &drv_version);
1326                if (rc) {
1327                        DP_NOTICE(cdev, "Failed sending drv version command\n");
1328                        goto err4;
1329                }
1330        }
1331
1332        qed_reset_vport_stats(cdev);
1333
1334        return 0;
1335
1336err4:
1337        qed_ll2_dealloc_if(cdev);
1338err3:
1339        qed_hw_stop(cdev);
1340err2:
1341        qed_hw_timers_stop_all(cdev);
1342        if (IS_PF(cdev))
1343                qed_slowpath_irq_free(cdev);
1344        qed_free_stream_mem(cdev);
1345        qed_disable_msix(cdev);
1346err1:
1347        qed_resc_free(cdev);
1348err:
1349        if (IS_PF(cdev))
1350                release_firmware(cdev->firmware);
1351
1352        if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1353            QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1354                qed_ptt_release(QED_LEADING_HWFN(cdev),
1355                                QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1356
1357        qed_iov_wq_stop(cdev, false);
1358
1359        qed_slowpath_wq_stop(cdev);
1360
1361        return rc;
1362}
1363
1364static int qed_slowpath_stop(struct qed_dev *cdev)
1365{
1366        if (!cdev)
1367                return -ENODEV;
1368
1369        qed_slowpath_wq_stop(cdev);
1370
1371        qed_ll2_dealloc_if(cdev);
1372
1373        if (IS_PF(cdev)) {
1374                if (cdev->num_hwfns == 1)
1375                        qed_ptt_release(QED_LEADING_HWFN(cdev),
1376                                        QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1377                qed_free_stream_mem(cdev);
1378                if (IS_QED_ETH_IF(cdev))
1379                        qed_sriov_disable(cdev, true);
1380        }
1381
1382        qed_nic_stop(cdev);
1383
1384        if (IS_PF(cdev))
1385                qed_slowpath_irq_free(cdev);
1386
1387        qed_disable_msix(cdev);
1388
1389        qed_resc_free(cdev);
1390
1391        qed_iov_wq_stop(cdev, true);
1392
1393        if (IS_PF(cdev))
1394                release_firmware(cdev->firmware);
1395
1396        return 0;
1397}
1398
1399static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1400{
1401        int i;
1402
1403        memcpy(cdev->name, name, NAME_SIZE);
1404        for_each_hwfn(cdev, i)
1405                snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1406}
1407
1408static u32 qed_sb_init(struct qed_dev *cdev,
1409                       struct qed_sb_info *sb_info,
1410                       void *sb_virt_addr,
1411                       dma_addr_t sb_phy_addr, u16 sb_id,
1412                       enum qed_sb_type type)
1413{
1414        struct qed_hwfn *p_hwfn;
1415        struct qed_ptt *p_ptt;
1416        u16 rel_sb_id;
1417        u32 rc;
1418
1419        /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1420        if (type == QED_SB_TYPE_L2_QUEUE) {
1421                p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1422                rel_sb_id = sb_id / cdev->num_hwfns;
1423        } else {
1424                p_hwfn = QED_AFFIN_HWFN(cdev);
1425                rel_sb_id = sb_id;
1426        }
1427
1428        DP_VERBOSE(cdev, NETIF_MSG_INTR,
1429                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1430                   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1431
1432        if (IS_PF(p_hwfn->cdev)) {
1433                p_ptt = qed_ptt_acquire(p_hwfn);
1434                if (!p_ptt)
1435                        return -EBUSY;
1436
1437                rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1438                                     sb_phy_addr, rel_sb_id);
1439                qed_ptt_release(p_hwfn, p_ptt);
1440        } else {
1441                rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1442                                     sb_phy_addr, rel_sb_id);
1443        }
1444
1445        return rc;
1446}
1447
1448static u32 qed_sb_release(struct qed_dev *cdev,
1449                          struct qed_sb_info *sb_info,
1450                          u16 sb_id,
1451                          enum qed_sb_type type)
1452{
1453        struct qed_hwfn *p_hwfn;
1454        u16 rel_sb_id;
1455        u32 rc;
1456
1457        /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1458        if (type == QED_SB_TYPE_L2_QUEUE) {
1459                p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1460                rel_sb_id = sb_id / cdev->num_hwfns;
1461        } else {
1462                p_hwfn = QED_AFFIN_HWFN(cdev);
1463                rel_sb_id = sb_id;
1464        }
1465
1466        DP_VERBOSE(cdev, NETIF_MSG_INTR,
1467                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1468                   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1469
1470        rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1471
1472        return rc;
1473}
1474
1475static bool qed_can_link_change(struct qed_dev *cdev)
1476{
1477        return true;
1478}
1479
1480static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1481{
1482        struct qed_hwfn *hwfn;
1483        struct qed_mcp_link_params *link_params;
1484        struct qed_ptt *ptt;
1485        u32 sup_caps;
1486        int rc;
1487
1488        if (!cdev)
1489                return -ENODEV;
1490
1491        /* The link should be set only once per PF */
1492        hwfn = &cdev->hwfns[0];
1493
1494        /* When VF wants to set link, force it to read the bulletin instead.
1495         * This mimics the PF behavior, where a noitification [both immediate
1496         * and possible later] would be generated when changing properties.
1497         */
1498        if (IS_VF(cdev)) {
1499                qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1500                return 0;
1501        }
1502
1503        ptt = qed_ptt_acquire(hwfn);
1504        if (!ptt)
1505                return -EBUSY;
1506
1507        link_params = qed_mcp_get_link_params(hwfn);
1508        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1509                link_params->speed.autoneg = params->autoneg;
1510        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1511                link_params->speed.advertised_speeds = 0;
1512                sup_caps = QED_LM_1000baseT_Full_BIT |
1513                           QED_LM_1000baseKX_Full_BIT |
1514                           QED_LM_1000baseX_Full_BIT;
1515                if (params->adv_speeds & sup_caps)
1516                        link_params->speed.advertised_speeds |=
1517                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1518                sup_caps = QED_LM_10000baseT_Full_BIT |
1519                           QED_LM_10000baseKR_Full_BIT |
1520                           QED_LM_10000baseKX4_Full_BIT |
1521                           QED_LM_10000baseR_FEC_BIT |
1522                           QED_LM_10000baseCR_Full_BIT |
1523                           QED_LM_10000baseSR_Full_BIT |
1524                           QED_LM_10000baseLR_Full_BIT |
1525                           QED_LM_10000baseLRM_Full_BIT;
1526                if (params->adv_speeds & sup_caps)
1527                        link_params->speed.advertised_speeds |=
1528                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1529                if (params->adv_speeds & QED_LM_20000baseKR2_Full_BIT)
1530                        link_params->speed.advertised_speeds |=
1531                                NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
1532                sup_caps = QED_LM_25000baseKR_Full_BIT |
1533                           QED_LM_25000baseCR_Full_BIT |
1534                           QED_LM_25000baseSR_Full_BIT;
1535                if (params->adv_speeds & sup_caps)
1536                        link_params->speed.advertised_speeds |=
1537                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1538                sup_caps = QED_LM_40000baseLR4_Full_BIT |
1539                           QED_LM_40000baseKR4_Full_BIT |
1540                           QED_LM_40000baseCR4_Full_BIT |
1541                           QED_LM_40000baseSR4_Full_BIT;
1542                if (params->adv_speeds & sup_caps)
1543                        link_params->speed.advertised_speeds |=
1544                                NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1545                sup_caps = QED_LM_50000baseKR2_Full_BIT |
1546                           QED_LM_50000baseCR2_Full_BIT |
1547                           QED_LM_50000baseSR2_Full_BIT;
1548                if (params->adv_speeds & sup_caps)
1549                        link_params->speed.advertised_speeds |=
1550                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1551                sup_caps = QED_LM_100000baseKR4_Full_BIT |
1552                           QED_LM_100000baseSR4_Full_BIT |
1553                           QED_LM_100000baseCR4_Full_BIT |
1554                           QED_LM_100000baseLR4_ER4_Full_BIT;
1555                if (params->adv_speeds & sup_caps)
1556                        link_params->speed.advertised_speeds |=
1557                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1558        }
1559        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1560                link_params->speed.forced_speed = params->forced_speed;
1561        if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1562                if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1563                        link_params->pause.autoneg = true;
1564                else
1565                        link_params->pause.autoneg = false;
1566                if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1567                        link_params->pause.forced_rx = true;
1568                else
1569                        link_params->pause.forced_rx = false;
1570                if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1571                        link_params->pause.forced_tx = true;
1572                else
1573                        link_params->pause.forced_tx = false;
1574        }
1575        if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1576                switch (params->loopback_mode) {
1577                case QED_LINK_LOOPBACK_INT_PHY:
1578                        link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1579                        break;
1580                case QED_LINK_LOOPBACK_EXT_PHY:
1581                        link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1582                        break;
1583                case QED_LINK_LOOPBACK_EXT:
1584                        link_params->loopback_mode = ETH_LOOPBACK_EXT;
1585                        break;
1586                case QED_LINK_LOOPBACK_MAC:
1587                        link_params->loopback_mode = ETH_LOOPBACK_MAC;
1588                        break;
1589                default:
1590                        link_params->loopback_mode = ETH_LOOPBACK_NONE;
1591                        break;
1592                }
1593        }
1594
1595        if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1596                memcpy(&link_params->eee, &params->eee,
1597                       sizeof(link_params->eee));
1598
1599        rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1600
1601        qed_ptt_release(hwfn, ptt);
1602
1603        return rc;
1604}
1605
1606static int qed_get_port_type(u32 media_type)
1607{
1608        int port_type;
1609
1610        switch (media_type) {
1611        case MEDIA_SFPP_10G_FIBER:
1612        case MEDIA_SFP_1G_FIBER:
1613        case MEDIA_XFP_FIBER:
1614        case MEDIA_MODULE_FIBER:
1615        case MEDIA_KR:
1616                port_type = PORT_FIBRE;
1617                break;
1618        case MEDIA_DA_TWINAX:
1619                port_type = PORT_DA;
1620                break;
1621        case MEDIA_BASE_T:
1622                port_type = PORT_TP;
1623                break;
1624        case MEDIA_NOT_PRESENT:
1625                port_type = PORT_NONE;
1626                break;
1627        case MEDIA_UNSPECIFIED:
1628        default:
1629                port_type = PORT_OTHER;
1630                break;
1631        }
1632        return port_type;
1633}
1634
1635static int qed_get_link_data(struct qed_hwfn *hwfn,
1636                             struct qed_mcp_link_params *params,
1637                             struct qed_mcp_link_state *link,
1638                             struct qed_mcp_link_capabilities *link_caps)
1639{
1640        void *p;
1641
1642        if (!IS_PF(hwfn->cdev)) {
1643                qed_vf_get_link_params(hwfn, params);
1644                qed_vf_get_link_state(hwfn, link);
1645                qed_vf_get_link_caps(hwfn, link_caps);
1646
1647                return 0;
1648        }
1649
1650        p = qed_mcp_get_link_params(hwfn);
1651        if (!p)
1652                return -ENXIO;
1653        memcpy(params, p, sizeof(*params));
1654
1655        p = qed_mcp_get_link_state(hwfn);
1656        if (!p)
1657                return -ENXIO;
1658        memcpy(link, p, sizeof(*link));
1659
1660        p = qed_mcp_get_link_capabilities(hwfn);
1661        if (!p)
1662                return -ENXIO;
1663        memcpy(link_caps, p, sizeof(*link_caps));
1664
1665        return 0;
1666}
1667
1668static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1669                                     struct qed_ptt *ptt, u32 capability,
1670                                     u32 *if_capability)
1671{
1672        u32 media_type, tcvr_state, tcvr_type;
1673        u32 speed_mask, board_cfg;
1674
1675        if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1676                media_type = MEDIA_UNSPECIFIED;
1677
1678        if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1679                tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1680
1681        if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1682                speed_mask = 0xFFFFFFFF;
1683
1684        if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1685                board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1686
1687        DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1688                   "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1689                   media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1690
1691        switch (media_type) {
1692        case MEDIA_DA_TWINAX:
1693                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1694                        *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1695                /* For DAC media multiple speed capabilities are supported*/
1696                capability = capability & speed_mask;
1697                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1698                        *if_capability |= QED_LM_1000baseKX_Full_BIT;
1699                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1700                        *if_capability |= QED_LM_10000baseCR_Full_BIT;
1701                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1702                        *if_capability |= QED_LM_40000baseCR4_Full_BIT;
1703                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1704                        *if_capability |= QED_LM_25000baseCR_Full_BIT;
1705                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1706                        *if_capability |= QED_LM_50000baseCR2_Full_BIT;
1707                if (capability &
1708                        NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1709                        *if_capability |= QED_LM_100000baseCR4_Full_BIT;
1710                break;
1711        case MEDIA_BASE_T:
1712                if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1713                        if (capability &
1714                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1715                                *if_capability |= QED_LM_1000baseT_Full_BIT;
1716                        }
1717                        if (capability &
1718                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1719                                *if_capability |= QED_LM_10000baseT_Full_BIT;
1720                        }
1721                }
1722                if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1723                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_1000BASET)
1724                                *if_capability |= QED_LM_1000baseT_Full_BIT;
1725                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_BASET)
1726                                *if_capability |= QED_LM_10000baseT_Full_BIT;
1727                }
1728                break;
1729        case MEDIA_SFP_1G_FIBER:
1730        case MEDIA_SFPP_10G_FIBER:
1731        case MEDIA_XFP_FIBER:
1732        case MEDIA_MODULE_FIBER:
1733                if (capability &
1734                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1735                        if ((tcvr_type == ETH_TRANSCEIVER_TYPE_1G_LX) ||
1736                            (tcvr_type == ETH_TRANSCEIVER_TYPE_1G_SX))
1737                                *if_capability |= QED_LM_1000baseKX_Full_BIT;
1738                }
1739                if (capability &
1740                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1741                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_SR)
1742                                *if_capability |= QED_LM_10000baseSR_Full_BIT;
1743                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LR)
1744                                *if_capability |= QED_LM_10000baseLR_Full_BIT;
1745                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LRM)
1746                                *if_capability |= QED_LM_10000baseLRM_Full_BIT;
1747                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_ER)
1748                                *if_capability |= QED_LM_10000baseR_FEC_BIT;
1749                }
1750                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1751                        *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1752                if (capability &
1753                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G) {
1754                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_25G_SR)
1755                                *if_capability |= QED_LM_25000baseSR_Full_BIT;
1756                }
1757                if (capability &
1758                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G) {
1759                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_LR4)
1760                                *if_capability |= QED_LM_40000baseLR4_Full_BIT;
1761                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_SR4)
1762                                *if_capability |= QED_LM_40000baseSR4_Full_BIT;
1763                }
1764                if (capability &
1765                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1766                        *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1767                if (capability &
1768                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G) {
1769                        if (tcvr_type == ETH_TRANSCEIVER_TYPE_100G_SR4)
1770                                *if_capability |= QED_LM_100000baseSR4_Full_BIT;
1771                }
1772
1773                break;
1774        case MEDIA_KR:
1775                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1776                        *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1777                if (capability &
1778                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1779                        *if_capability |= QED_LM_1000baseKX_Full_BIT;
1780                if (capability &
1781                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1782                        *if_capability |= QED_LM_10000baseKR_Full_BIT;
1783                if (capability &
1784                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1785                        *if_capability |= QED_LM_25000baseKR_Full_BIT;
1786                if (capability &
1787                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1788                        *if_capability |= QED_LM_40000baseKR4_Full_BIT;
1789                if (capability &
1790                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1791                        *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1792                if (capability &
1793                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1794                        *if_capability |= QED_LM_100000baseKR4_Full_BIT;
1795                break;
1796        case MEDIA_UNSPECIFIED:
1797        case MEDIA_NOT_PRESENT:
1798                DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
1799                           "Unknown media and transceiver type;\n");
1800                break;
1801        }
1802}
1803
1804static void qed_fill_link(struct qed_hwfn *hwfn,
1805                          struct qed_ptt *ptt,
1806                          struct qed_link_output *if_link)
1807{
1808        struct qed_mcp_link_capabilities link_caps;
1809        struct qed_mcp_link_params params;
1810        struct qed_mcp_link_state link;
1811        u32 media_type;
1812
1813        memset(if_link, 0, sizeof(*if_link));
1814
1815        /* Prepare source inputs */
1816        if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1817                dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1818                return;
1819        }
1820
1821        /* Set the link parameters to pass to protocol driver */
1822        if (link.link_up)
1823                if_link->link_up = true;
1824
1825        /* TODO - at the moment assume supported and advertised speed equal */
1826        if_link->supported_caps = QED_LM_FIBRE_BIT;
1827        if (link_caps.default_speed_autoneg)
1828                if_link->supported_caps |= QED_LM_Autoneg_BIT;
1829        if (params.pause.autoneg ||
1830            (params.pause.forced_rx && params.pause.forced_tx))
1831                if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1832        if (params.pause.autoneg || params.pause.forced_rx ||
1833            params.pause.forced_tx)
1834                if_link->supported_caps |= QED_LM_Pause_BIT;
1835
1836        if_link->advertised_caps = if_link->supported_caps;
1837        if (params.speed.autoneg)
1838                if_link->advertised_caps |= QED_LM_Autoneg_BIT;
1839        else
1840                if_link->advertised_caps &= ~QED_LM_Autoneg_BIT;
1841
1842        /* Fill link advertised capability*/
1843        qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
1844                                 &if_link->advertised_caps);
1845        /* Fill link supported capability*/
1846        qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
1847                                 &if_link->supported_caps);
1848
1849        if (link.link_up)
1850                if_link->speed = link.speed;
1851
1852        /* TODO - fill duplex properly */
1853        if_link->duplex = DUPLEX_FULL;
1854        qed_mcp_get_media_type(hwfn, ptt, &media_type);
1855        if_link->port = qed_get_port_type(media_type);
1856
1857        if_link->autoneg = params.speed.autoneg;
1858
1859        if (params.pause.autoneg)
1860                if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1861        if (params.pause.forced_rx)
1862                if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1863        if (params.pause.forced_tx)
1864                if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1865
1866        /* Link partner capabilities */
1867        if (link.partner_adv_speed &
1868            QED_LINK_PARTNER_SPEED_1G_FD)
1869                if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1870        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1871                if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1872        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_20G)
1873                if_link->lp_caps |= QED_LM_20000baseKR2_Full_BIT;
1874        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1875                if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1876        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1877                if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1878        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1879                if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1880        if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1881                if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1882
1883        if (link.an_complete)
1884                if_link->lp_caps |= QED_LM_Autoneg_BIT;
1885
1886        if (link.partner_adv_pause)
1887                if_link->lp_caps |= QED_LM_Pause_BIT;
1888        if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1889            link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1890                if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1891
1892        if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
1893                if_link->eee_supported = false;
1894        } else {
1895                if_link->eee_supported = true;
1896                if_link->eee_active = link.eee_active;
1897                if_link->sup_caps = link_caps.eee_speed_caps;
1898                /* MFW clears adv_caps on eee disable; use configured value */
1899                if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
1900                                        params.eee.adv_caps;
1901                if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
1902                if_link->eee.enable = params.eee.enable;
1903                if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
1904                if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
1905        }
1906}
1907
1908static void qed_get_current_link(struct qed_dev *cdev,
1909                                 struct qed_link_output *if_link)
1910{
1911        struct qed_hwfn *hwfn;
1912        struct qed_ptt *ptt;
1913        int i;
1914
1915        hwfn = &cdev->hwfns[0];
1916        if (IS_PF(cdev)) {
1917                ptt = qed_ptt_acquire(hwfn);
1918                if (ptt) {
1919                        qed_fill_link(hwfn, ptt, if_link);
1920                        qed_ptt_release(hwfn, ptt);
1921                } else {
1922                        DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
1923                }
1924        } else {
1925                qed_fill_link(hwfn, NULL, if_link);
1926        }
1927
1928        for_each_hwfn(cdev, i)
1929                qed_inform_vf_link_state(&cdev->hwfns[i]);
1930}
1931
1932void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
1933{
1934        void *cookie = hwfn->cdev->ops_cookie;
1935        struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1936        struct qed_link_output if_link;
1937
1938        qed_fill_link(hwfn, ptt, &if_link);
1939        qed_inform_vf_link_state(hwfn);
1940
1941        if (IS_LEAD_HWFN(hwfn) && cookie)
1942                op->link_update(cookie, &if_link);
1943}
1944
1945static int qed_drain(struct qed_dev *cdev)
1946{
1947        struct qed_hwfn *hwfn;
1948        struct qed_ptt *ptt;
1949        int i, rc;
1950
1951        if (IS_VF(cdev))
1952                return 0;
1953
1954        for_each_hwfn(cdev, i) {
1955                hwfn = &cdev->hwfns[i];
1956                ptt = qed_ptt_acquire(hwfn);
1957                if (!ptt) {
1958                        DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1959                        return -EBUSY;
1960                }
1961                rc = qed_mcp_drain(hwfn, ptt);
1962                qed_ptt_release(hwfn, ptt);
1963                if (rc)
1964                        return rc;
1965        }
1966
1967        return 0;
1968}
1969
1970static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
1971                                          struct qed_nvm_image_att *nvm_image,
1972                                          u32 *crc)
1973{
1974        u8 *buf = NULL;
1975        int rc, j;
1976        u32 val;
1977
1978        /* Allocate a buffer for holding the nvram image */
1979        buf = kzalloc(nvm_image->length, GFP_KERNEL);
1980        if (!buf)
1981                return -ENOMEM;
1982
1983        /* Read image into buffer */
1984        rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
1985                              buf, nvm_image->length);
1986        if (rc) {
1987                DP_ERR(cdev, "Failed reading image from nvm\n");
1988                goto out;
1989        }
1990
1991        /* Convert the buffer into big-endian format (excluding the
1992         * closing 4 bytes of CRC).
1993         */
1994        for (j = 0; j < nvm_image->length - 4; j += 4) {
1995                val = cpu_to_be32(*(u32 *)&buf[j]);
1996                *(u32 *)&buf[j] = val;
1997        }
1998
1999        /* Calc CRC for the "actual" image buffer, i.e. not including
2000         * the last 4 CRC bytes.
2001         */
2002        *crc = (~cpu_to_be32(crc32(0xffffffff, buf, nvm_image->length - 4)));
2003
2004out:
2005        kfree(buf);
2006
2007        return rc;
2008}
2009
2010/* Binary file format -
2011 *     /----------------------------------------------------------------------\
2012 * 0B  |                       0x4 [command index]                            |
2013 * 4B  | image_type     | Options        |  Number of register settings       |
2014 * 8B  |                       Value                                          |
2015 * 12B |                       Mask                                           |
2016 * 16B |                       Offset                                         |
2017 *     \----------------------------------------------------------------------/
2018 * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2019 * Options - 0'b - Calculate & Update CRC for image
2020 */
2021static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2022                                      bool *check_resp)
2023{
2024        struct qed_nvm_image_att nvm_image;
2025        struct qed_hwfn *p_hwfn;
2026        bool is_crc = false;
2027        u32 image_type;
2028        int rc = 0, i;
2029        u16 len;
2030
2031        *data += 4;
2032        image_type = **data;
2033        p_hwfn = QED_LEADING_HWFN(cdev);
2034        for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2035                if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2036                        break;
2037        if (i == p_hwfn->nvm_info.num_images) {
2038                DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2039                       image_type);
2040                return -ENOENT;
2041        }
2042
2043        nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2044        nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2045
2046        DP_VERBOSE(cdev, NETIF_MSG_DRV,
2047                   "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2048                   **data, image_type, nvm_image.start_addr,
2049                   nvm_image.start_addr + nvm_image.length - 1);
2050        (*data)++;
2051        is_crc = !!(**data & BIT(0));
2052        (*data)++;
2053        len = *((u16 *)*data);
2054        *data += 2;
2055        if (is_crc) {
2056                u32 crc = 0;
2057
2058                rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2059                if (rc) {
2060                        DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2061                        goto exit;
2062                }
2063
2064                rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2065                                       (nvm_image.start_addr +
2066                                        nvm_image.length - 4), (u8 *)&crc, 4);
2067                if (rc)
2068                        DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2069                               nvm_image.start_addr + nvm_image.length - 4, rc);
2070                goto exit;
2071        }
2072
2073        /* Iterate over the values for setting */
2074        while (len) {
2075                u32 offset, mask, value, cur_value;
2076                u8 buf[4];
2077
2078                value = *((u32 *)*data);
2079                *data += 4;
2080                mask = *((u32 *)*data);
2081                *data += 4;
2082                offset = *((u32 *)*data);
2083                *data += 4;
2084
2085                rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2086                                      4);
2087                if (rc) {
2088                        DP_ERR(cdev, "Failed reading from %08x\n",
2089                               nvm_image.start_addr + offset);
2090                        goto exit;
2091                }
2092
2093                cur_value = le32_to_cpu(*((__le32 *)buf));
2094                DP_VERBOSE(cdev, NETIF_MSG_DRV,
2095                           "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2096                           nvm_image.start_addr + offset, cur_value,
2097                           (cur_value & ~mask) | (value & mask), value, mask);
2098                value = (value & mask) | (cur_value & ~mask);
2099                rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2100                                       nvm_image.start_addr + offset,
2101                                       (u8 *)&value, 4);
2102                if (rc) {
2103                        DP_ERR(cdev, "Failed writing to %08x\n",
2104                               nvm_image.start_addr + offset);
2105                        goto exit;
2106                }
2107
2108                len--;
2109        }
2110exit:
2111        return rc;
2112}
2113
2114/* Binary file format -
2115 *     /----------------------------------------------------------------------\
2116 * 0B  |                       0x3 [command index]                            |
2117 * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2118 * 8B  | File-type |                   reserved                               |
2119 * 12B |                    Image length in bytes                             |
2120 *     \----------------------------------------------------------------------/
2121 *     Start a new file of the provided type
2122 */
2123static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2124                                          const u8 **data, bool *check_resp)
2125{
2126        u32 file_type, file_size = 0;
2127        int rc;
2128
2129        *data += 4;
2130        *check_resp = !!(**data & BIT(0));
2131        *data += 4;
2132        file_type = **data;
2133
2134        DP_VERBOSE(cdev, NETIF_MSG_DRV,
2135                   "About to start a new file of type %02x\n", file_type);
2136        if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2137                *data += 4;
2138                file_size = *((u32 *)(*data));
2139        }
2140
2141        rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2142                               (u8 *)(&file_size), 4);
2143        *data += 4;
2144
2145        return rc;
2146}
2147
2148/* Binary file format -
2149 *     /----------------------------------------------------------------------\
2150 * 0B  |                       0x2 [command index]                            |
2151 * 4B  |                       Length in bytes                                |
2152 * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2153 * 12B |                       Offset in bytes                                |
2154 * 16B |                       Data ...                                       |
2155 *     \----------------------------------------------------------------------/
2156 *     Write data as part of a file that was previously started. Data should be
2157 *     of length equal to that provided in the message
2158 */
2159static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2160                                         const u8 **data, bool *check_resp)
2161{
2162        u32 offset, len;
2163        int rc;
2164
2165        *data += 4;
2166        len = *((u32 *)(*data));
2167        *data += 4;
2168        *check_resp = !!(**data & BIT(0));
2169        *data += 4;
2170        offset = *((u32 *)(*data));
2171        *data += 4;
2172
2173        DP_VERBOSE(cdev, NETIF_MSG_DRV,
2174                   "About to write File-data: %08x bytes to offset %08x\n",
2175                   len, offset);
2176
2177        rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2178                               (char *)(*data), len);
2179        *data += len;
2180
2181        return rc;
2182}
2183
2184/* Binary file format [General header] -
2185 *     /----------------------------------------------------------------------\
2186 * 0B  |                       QED_NVM_SIGNATURE                              |
2187 * 4B  |                       Length in bytes                                |
2188 * 8B  | Highest command in this batchfile |          Reserved                |
2189 *     \----------------------------------------------------------------------/
2190 */
2191static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2192                                        const struct firmware *image,
2193                                        const u8 **data)
2194{
2195        u32 signature, len;
2196
2197        /* Check minimum size */
2198        if (image->size < 12) {
2199                DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2200                return -EINVAL;
2201        }
2202
2203        /* Check signature */
2204        signature = *((u32 *)(*data));
2205        if (signature != QED_NVM_SIGNATURE) {
2206                DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2207                return -EINVAL;
2208        }
2209
2210        *data += 4;
2211        /* Validate internal size equals the image-size */
2212        len = *((u32 *)(*data));
2213        if (len != image->size) {
2214                DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2215                       len, (u32)image->size);
2216                return -EINVAL;
2217        }
2218
2219        *data += 4;
2220        /* Make sure driver familiar with all commands necessary for this */
2221        if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2222                DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2223                       *((u16 *)(*data)));
2224                return -EINVAL;
2225        }
2226
2227        *data += 4;
2228
2229        return 0;
2230}
2231
2232static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2233{
2234        const struct firmware *image;
2235        const u8 *data, *data_end;
2236        u32 cmd_type;
2237        int rc;
2238
2239        rc = request_firmware(&image, name, &cdev->pdev->dev);
2240        if (rc) {
2241                DP_ERR(cdev, "Failed to find '%s'\n", name);
2242                return rc;
2243        }
2244
2245        DP_VERBOSE(cdev, NETIF_MSG_DRV,
2246                   "Flashing '%s' - firmware's data at %p, size is %08x\n",
2247                   name, image->data, (u32)image->size);
2248        data = image->data;
2249        data_end = data + image->size;
2250
2251        rc = qed_nvm_flash_image_validate(cdev, image, &data);
2252        if (rc)
2253                goto exit;
2254
2255        while (data < data_end) {
2256                bool check_resp = false;
2257
2258                /* Parse the actual command */
2259                cmd_type = *((u32 *)data);
2260                switch (cmd_type) {
2261                case QED_NVM_FLASH_CMD_FILE_DATA:
2262                        rc = qed_nvm_flash_image_file_data(cdev, &data,
2263                                                           &check_resp);
2264                        break;
2265                case QED_NVM_FLASH_CMD_FILE_START:
2266                        rc = qed_nvm_flash_image_file_start(cdev, &data,
2267                                                            &check_resp);
2268                        break;
2269                case QED_NVM_FLASH_CMD_NVM_CHANGE:
2270                        rc = qed_nvm_flash_image_access(cdev, &data,
2271                                                        &check_resp);
2272                        break;
2273                default:
2274                        DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2275                        rc = -EINVAL;
2276                        goto exit;
2277                }
2278
2279                if (rc) {
2280                        DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2281                        goto exit;
2282                }
2283
2284                /* Check response if needed */
2285                if (check_resp) {
2286                        u32 mcp_response = 0;
2287
2288                        if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2289                                DP_ERR(cdev, "Failed getting MCP response\n");
2290                                rc = -EINVAL;
2291                                goto exit;
2292                        }
2293
2294                        switch (mcp_response & FW_MSG_CODE_MASK) {
2295                        case FW_MSG_CODE_OK:
2296                        case FW_MSG_CODE_NVM_OK:
2297                        case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2298                        case FW_MSG_CODE_PHY_OK:
2299                                break;
2300                        default:
2301                                DP_ERR(cdev, "MFW returns error: %08x\n",
2302                                       mcp_response);
2303                                rc = -EINVAL;
2304                                goto exit;
2305                        }
2306                }
2307        }
2308
2309exit:
2310        release_firmware(image);
2311
2312        return rc;
2313}
2314
2315static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2316                             u8 *buf, u16 len)
2317{
2318        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2319
2320        return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2321}
2322
2323void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2324{
2325        struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2326        void *cookie = p_hwfn->cdev->ops_cookie;
2327
2328        if (ops && ops->schedule_recovery_handler)
2329                ops->schedule_recovery_handler(cookie);
2330}
2331
2332static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2333                            void *handle)
2334{
2335                return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2336}
2337
2338static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2339{
2340        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2341        struct qed_ptt *ptt;
2342        int status = 0;
2343
2344        ptt = qed_ptt_acquire(hwfn);
2345        if (!ptt)
2346                return -EAGAIN;
2347
2348        status = qed_mcp_set_led(hwfn, ptt, mode);
2349
2350        qed_ptt_release(hwfn, ptt);
2351
2352        return status;
2353}
2354
2355static int qed_recovery_process(struct qed_dev *cdev)
2356{
2357        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2358        struct qed_ptt *p_ptt;
2359        int rc = 0;
2360
2361        p_ptt = qed_ptt_acquire(p_hwfn);
2362        if (!p_ptt)
2363                return -EAGAIN;
2364
2365        rc = qed_start_recovery_process(p_hwfn, p_ptt);
2366
2367        qed_ptt_release(p_hwfn, p_ptt);
2368
2369        return rc;
2370}
2371
2372static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2373{
2374        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2375        struct qed_ptt *ptt;
2376        int rc = 0;
2377
2378        if (IS_VF(cdev))
2379                return 0;
2380
2381        ptt = qed_ptt_acquire(hwfn);
2382        if (!ptt)
2383                return -EAGAIN;
2384
2385        rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2386                                   : QED_OV_WOL_DISABLED);
2387        if (rc)
2388                goto out;
2389        rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2390
2391out:
2392        qed_ptt_release(hwfn, ptt);
2393        return rc;
2394}
2395
2396static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2397{
2398        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2399        struct qed_ptt *ptt;
2400        int status = 0;
2401
2402        if (IS_VF(cdev))
2403                return 0;
2404
2405        ptt = qed_ptt_acquire(hwfn);
2406        if (!ptt)
2407                return -EAGAIN;
2408
2409        status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2410                                                QED_OV_DRIVER_STATE_ACTIVE :
2411                                                QED_OV_DRIVER_STATE_DISABLED);
2412
2413        qed_ptt_release(hwfn, ptt);
2414
2415        return status;
2416}
2417
2418static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2419{
2420        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2421        struct qed_ptt *ptt;
2422        int status = 0;
2423
2424        if (IS_VF(cdev))
2425                return 0;
2426
2427        ptt = qed_ptt_acquire(hwfn);
2428        if (!ptt)
2429                return -EAGAIN;
2430
2431        status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2432        if (status)
2433                goto out;
2434
2435        status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2436
2437out:
2438        qed_ptt_release(hwfn, ptt);
2439        return status;
2440}
2441
2442static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2443{
2444        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2445        struct qed_ptt *ptt;
2446        int status = 0;
2447
2448        if (IS_VF(cdev))
2449                return 0;
2450
2451        ptt = qed_ptt_acquire(hwfn);
2452        if (!ptt)
2453                return -EAGAIN;
2454
2455        status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2456        if (status)
2457                goto out;
2458
2459        status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2460
2461out:
2462        qed_ptt_release(hwfn, ptt);
2463        return status;
2464}
2465
2466static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2467                                  u8 dev_addr, u32 offset, u32 len)
2468{
2469        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2470        struct qed_ptt *ptt;
2471        int rc = 0;
2472
2473        if (IS_VF(cdev))
2474                return 0;
2475
2476        ptt = qed_ptt_acquire(hwfn);
2477        if (!ptt)
2478                return -EAGAIN;
2479
2480        rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2481                                  offset, len, buf);
2482
2483        qed_ptt_release(hwfn, ptt);
2484
2485        return rc;
2486}
2487
2488static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2489{
2490        return QED_AFFIN_HWFN_IDX(cdev);
2491}
2492
2493static struct qed_selftest_ops qed_selftest_ops_pass = {
2494        .selftest_memory = &qed_selftest_memory,
2495        .selftest_interrupt = &qed_selftest_interrupt,
2496        .selftest_register = &qed_selftest_register,
2497        .selftest_clock = &qed_selftest_clock,
2498        .selftest_nvram = &qed_selftest_nvram,
2499};
2500
2501const struct qed_common_ops qed_common_ops_pass = {
2502        .selftest = &qed_selftest_ops_pass,
2503        .probe = &qed_probe,
2504        .remove = &qed_remove,
2505        .set_power_state = &qed_set_power_state,
2506        .set_name = &qed_set_name,
2507        .update_pf_params = &qed_update_pf_params,
2508        .slowpath_start = &qed_slowpath_start,
2509        .slowpath_stop = &qed_slowpath_stop,
2510        .set_fp_int = &qed_set_int_fp,
2511        .get_fp_int = &qed_get_int_fp,
2512        .sb_init = &qed_sb_init,
2513        .sb_release = &qed_sb_release,
2514        .simd_handler_config = &qed_simd_handler_config,
2515        .simd_handler_clean = &qed_simd_handler_clean,
2516        .dbg_grc = &qed_dbg_grc,
2517        .dbg_grc_size = &qed_dbg_grc_size,
2518        .can_link_change = &qed_can_link_change,
2519        .set_link = &qed_set_link,
2520        .get_link = &qed_get_current_link,
2521        .drain = &qed_drain,
2522        .update_msglvl = &qed_init_dp,
2523        .dbg_all_data = &qed_dbg_all_data,
2524        .dbg_all_data_size = &qed_dbg_all_data_size,
2525        .chain_alloc = &qed_chain_alloc,
2526        .chain_free = &qed_chain_free,
2527        .nvm_flash = &qed_nvm_flash,
2528        .nvm_get_image = &qed_nvm_get_image,
2529        .set_coalesce = &qed_set_coalesce,
2530        .set_led = &qed_set_led,
2531        .recovery_process = &qed_recovery_process,
2532        .recovery_prolog = &qed_recovery_prolog,
2533        .update_drv_state = &qed_update_drv_state,
2534        .update_mac = &qed_update_mac,
2535        .update_mtu = &qed_update_mtu,
2536        .update_wol = &qed_update_wol,
2537        .db_recovery_add = &qed_db_recovery_add,
2538        .db_recovery_del = &qed_db_recovery_del,
2539        .read_module_eeprom = &qed_read_module_eeprom,
2540        .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
2541};
2542
2543void qed_get_protocol_stats(struct qed_dev *cdev,
2544                            enum qed_mcp_protocol_type type,
2545                            union qed_mcp_protocol_stats *stats)
2546{
2547        struct qed_eth_stats eth_stats;
2548
2549        memset(stats, 0, sizeof(*stats));
2550
2551        switch (type) {
2552        case QED_MCP_LAN_STATS:
2553                qed_get_vport_stats(cdev, &eth_stats);
2554                stats->lan_stats.ucast_rx_pkts =
2555                                        eth_stats.common.rx_ucast_pkts;
2556                stats->lan_stats.ucast_tx_pkts =
2557                                        eth_stats.common.tx_ucast_pkts;
2558                stats->lan_stats.fcs_err = -1;
2559                break;
2560        case QED_MCP_FCOE_STATS:
2561                qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
2562                break;
2563        case QED_MCP_ISCSI_STATS:
2564                qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
2565                break;
2566        default:
2567                DP_VERBOSE(cdev, QED_MSG_SP,
2568                           "Invalid protocol type = %d\n", type);
2569                return;
2570        }
2571}
2572
2573int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
2574{
2575        DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
2576                   "Scheduling slowpath task [Flag: %d]\n",
2577                   QED_SLOWPATH_MFW_TLV_REQ);
2578        smp_mb__before_atomic();
2579        set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
2580        smp_mb__after_atomic();
2581        queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
2582
2583        return 0;
2584}
2585
2586static void
2587qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
2588{
2589        struct qed_common_cb_ops *op = cdev->protocol_ops.common;
2590        struct qed_eth_stats_common *p_common;
2591        struct qed_generic_tlvs gen_tlvs;
2592        struct qed_eth_stats stats;
2593        int i;
2594
2595        memset(&gen_tlvs, 0, sizeof(gen_tlvs));
2596        op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
2597
2598        if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
2599                tlv->flags.ipv4_csum_offload = true;
2600        if (gen_tlvs.feat_flags & QED_TLV_LSO)
2601                tlv->flags.lso_supported = true;
2602        tlv->flags.b_set = true;
2603
2604        for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
2605                if (is_valid_ether_addr(gen_tlvs.mac[i])) {
2606                        ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
2607                        tlv->mac_set[i] = true;
2608                }
2609        }
2610
2611        qed_get_vport_stats(cdev, &stats);
2612        p_common = &stats.common;
2613        tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
2614                         p_common->rx_bcast_pkts;
2615        tlv->rx_frames_set = true;
2616        tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
2617                        p_common->rx_bcast_bytes;
2618        tlv->rx_bytes_set = true;
2619        tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
2620                         p_common->tx_bcast_pkts;
2621        tlv->tx_frames_set = true;
2622        tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
2623                        p_common->tx_bcast_bytes;
2624        tlv->rx_bytes_set = true;
2625}
2626
2627int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
2628                          union qed_mfw_tlv_data *tlv_buf)
2629{
2630        struct qed_dev *cdev = hwfn->cdev;
2631        struct qed_common_cb_ops *ops;
2632
2633        ops = cdev->protocol_ops.common;
2634        if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
2635                DP_NOTICE(hwfn, "Can't collect TLV management info\n");
2636                return -EINVAL;
2637        }
2638
2639        switch (type) {
2640        case QED_MFW_TLV_GENERIC:
2641                qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
2642                break;
2643        case QED_MFW_TLV_ETH:
2644                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
2645                break;
2646        case QED_MFW_TLV_FCOE:
2647                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
2648                break;
2649        case QED_MFW_TLV_ISCSI:
2650                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
2651                break;
2652        default:
2653                break;
2654        }
2655
2656        return 0;
2657}
2658