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

   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
  71 static char version[] =
  72         "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  73
  74 MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  75 MODULE_LICENSE("GPL");
  76 MODULE_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
  87 MODULE_FIRMWARE(QED_FW_FILE_NAME);
  88
  89 static int __init qed_init(void)
  90 {
  91         pr_info("%s", version);
  92
  93         return 0;
  94 }
  95
  96 static void __exit qed_cleanup(void)
  97 {
  98         pr_notice("qed_cleanup called\n");
  99 }
 100
 101 module_init(qed_init);
 102 module_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 */
 107 static 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
 125 static 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  */
 144 static 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
 233 err2:
 234         pci_release_regions(pdev);
 235 err1:
 236         pci_disable_device(pdev);
 237 err0:
 238         return rc;
 239 }
 240
 241 int 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
 318 static void qed_free_cdev(struct qed_dev *cdev)
 319 {
 320         kfree((void *)cdev);
 321 }
 322
 323 static 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 */
 337 static 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
 346 struct qed_devlink {
 347         struct qed_dev *cdev;
 348 };
 349
 350 enum qed_devlink_param_id {
 351         QED_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
 352         QED_DEVLINK_PARAM_ID_IWARP_CMT,
 353 };
 354
 355 static 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
 368 static 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
 381 static 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
 388 static const struct devlink_ops qed_dl_ops;
 389
 390 static 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
 425 err_unregister:
 426         devlink_unregister(dl);
 427
 428 err_free:
 429         cdev->dl = NULL;
 430         devlink_free(dl);
 431
 432         return rc;
 433 }
 434
 435 static 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 */
 448 static 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
 491 err2:
 492         qed_free_pci(cdev);
 493 err1:
 494         qed_free_cdev(cdev);
 495 err0:
 496         return NULL;
 497 }
 498
 499 static 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
 515 static 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
 527 static 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 */
 572 static 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
 623 out:
 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
 634 static 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
 644 static 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
 653 static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
 654 {
 655         tasklet_schedule((struct tasklet_struct *)tasklet);
 656         return IRQ_HANDLED;
 657 }
 658
 659 static 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
 709 int 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
 748 static 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
 760 void 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
 775 static 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
 794 static 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
 817 static 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
 841 static 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
 859 static 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
 882 static 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
 954 static 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
 983 u32 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
1013 static 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
1034 static 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
1049 static 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
1091 static 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
1107 void 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
1121 static 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
1146 static 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
1176 static 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
1205 static 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                         return rc;
1329                 }
1330         }
1331
1332         qed_reset_vport_stats(cdev);
1333
1334         return 0;
1335
1336 err3:
1337         qed_hw_stop(cdev);
1338 err2:
1339         qed_hw_timers_stop_all(cdev);
1340         if (IS_PF(cdev))
1341                 qed_slowpath_irq_free(cdev);
1342         qed_free_stream_mem(cdev);
1343         qed_disable_msix(cdev);
1344 err1:
1345         qed_resc_free(cdev);
1346 err:
1347         if (IS_PF(cdev))
1348                 release_firmware(cdev->firmware);
1349
1350         if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
1351             QED_LEADING_HWFN(cdev)->p_arfs_ptt)
1352                 qed_ptt_release(QED_LEADING_HWFN(cdev),
1353                                 QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1354
1355         qed_iov_wq_stop(cdev, false);
1356
1357         qed_slowpath_wq_stop(cdev);
1358
1359         return rc;
1360 }
1361
1362 static int qed_slowpath_stop(struct qed_dev *cdev)
1363 {
1364         if (!cdev)
1365                 return -ENODEV;
1366
1367         qed_slowpath_wq_stop(cdev);
1368
1369         qed_ll2_dealloc_if(cdev);
1370
1371         if (IS_PF(cdev)) {
1372                 if (cdev->num_hwfns == 1)
1373                         qed_ptt_release(QED_LEADING_HWFN(cdev),
1374                                         QED_LEADING_HWFN(cdev)->p_arfs_ptt);
1375                 qed_free_stream_mem(cdev);
1376                 if (IS_QED_ETH_IF(cdev))
1377                         qed_sriov_disable(cdev, true);
1378         }
1379
1380         qed_nic_stop(cdev);
1381
1382         if (IS_PF(cdev))
1383                 qed_slowpath_irq_free(cdev);
1384
1385         qed_disable_msix(cdev);
1386
1387         qed_resc_free(cdev);
1388
1389         qed_iov_wq_stop(cdev, true);
1390
1391         if (IS_PF(cdev))
1392                 release_firmware(cdev->firmware);
1393
1394         return 0;
1395 }
1396
1397 static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
1398 {
1399         int i;
1400
1401         memcpy(cdev->name, name, NAME_SIZE);
1402         for_each_hwfn(cdev, i)
1403                 snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
1404 }
1405
1406 static u32 qed_sb_init(struct qed_dev *cdev,
1407                        struct qed_sb_info *sb_info,
1408                        void *sb_virt_addr,
1409                        dma_addr_t sb_phy_addr, u16 sb_id,
1410                        enum qed_sb_type type)
1411 {
1412         struct qed_hwfn *p_hwfn;
1413         struct qed_ptt *p_ptt;
1414         u16 rel_sb_id;
1415         u32 rc;
1416
1417         /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1418         if (type == QED_SB_TYPE_L2_QUEUE) {
1419                 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1420                 rel_sb_id = sb_id / cdev->num_hwfns;
1421         } else {
1422                 p_hwfn = QED_AFFIN_HWFN(cdev);
1423                 rel_sb_id = sb_id;
1424         }
1425
1426         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1427                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1428                    IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1429
1430         if (IS_PF(p_hwfn->cdev)) {
1431                 p_ptt = qed_ptt_acquire(p_hwfn);
1432                 if (!p_ptt)
1433                         return -EBUSY;
1434
1435                 rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
1436                                      sb_phy_addr, rel_sb_id);
1437                 qed_ptt_release(p_hwfn, p_ptt);
1438         } else {
1439                 rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
1440                                      sb_phy_addr, rel_sb_id);
1441         }
1442
1443         return rc;
1444 }
1445
1446 static u32 qed_sb_release(struct qed_dev *cdev,
1447                           struct qed_sb_info *sb_info,
1448                           u16 sb_id,
1449                           enum qed_sb_type type)
1450 {
1451         struct qed_hwfn *p_hwfn;
1452         u16 rel_sb_id;
1453         u32 rc;
1454
1455         /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
1456         if (type == QED_SB_TYPE_L2_QUEUE) {
1457                 p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
1458                 rel_sb_id = sb_id / cdev->num_hwfns;
1459         } else {
1460                 p_hwfn = QED_AFFIN_HWFN(cdev);
1461                 rel_sb_id = sb_id;
1462         }
1463
1464         DP_VERBOSE(cdev, NETIF_MSG_INTR,
1465                    "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
1466                    IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);
1467
1468         rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
1469
1470         return rc;
1471 }
1472
1473 static bool qed_can_link_change(struct qed_dev *cdev)
1474 {
1475         return true;
1476 }
1477
1478 static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
1479 {
1480         struct qed_hwfn *hwfn;
1481         struct qed_mcp_link_params *link_params;
1482         struct qed_ptt *ptt;
1483         u32 sup_caps;
1484         int rc;
1485
1486         if (!cdev)
1487                 return -ENODEV;
1488
1489         /* The link should be set only once per PF */
1490         hwfn = &cdev->hwfns[0];
1491
1492         /* When VF wants to set link, force it to read the bulletin instead.
1493          * This mimics the PF behavior, where a noitification [both immediate
1494          * and possible later] would be generated when changing properties.
1495          */
1496         if (IS_VF(cdev)) {
1497                 qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
1498                 return 0;
1499         }
1500
1501         ptt = qed_ptt_acquire(hwfn);
1502         if (!ptt)
1503                 return -EBUSY;
1504
1505         link_params = qed_mcp_get_link_params(hwfn);
1506         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
1507                 link_params->speed.autoneg = params->autoneg;
1508         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
1509                 link_params->speed.advertised_speeds = 0;
1510                 sup_caps = QED_LM_1000baseT_Full_BIT |
1511                            QED_LM_1000baseKX_Full_BIT |
1512                            QED_LM_1000baseX_Full_BIT;
1513                 if (params->adv_speeds & sup_caps)
1514                         link_params->speed.advertised_speeds |=
1515                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
1516                 sup_caps = QED_LM_10000baseT_Full_BIT |
1517                            QED_LM_10000baseKR_Full_BIT |
1518                            QED_LM_10000baseKX4_Full_BIT |
1519                            QED_LM_10000baseR_FEC_BIT |
1520                            QED_LM_10000baseCR_Full_BIT |
1521                            QED_LM_10000baseSR_Full_BIT |
1522                            QED_LM_10000baseLR_Full_BIT |
1523                            QED_LM_10000baseLRM_Full_BIT;
1524                 if (params->adv_speeds & sup_caps)
1525                         link_params->speed.advertised_speeds |=
1526                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
1527                 if (params->adv_speeds & QED_LM_20000baseKR2_Full_BIT)
1528                         link_params->speed.advertised_speeds |=
1529                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
1530                 sup_caps = QED_LM_25000baseKR_Full_BIT |
1531                            QED_LM_25000baseCR_Full_BIT |
1532                            QED_LM_25000baseSR_Full_BIT;
1533                 if (params->adv_speeds & sup_caps)
1534                         link_params->speed.advertised_speeds |=
1535                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
1536                 sup_caps = QED_LM_40000baseLR4_Full_BIT |
1537                            QED_LM_40000baseKR4_Full_BIT |
1538                            QED_LM_40000baseCR4_Full_BIT |
1539                            QED_LM_40000baseSR4_Full_BIT;
1540                 if (params->adv_speeds & sup_caps)
1541                         link_params->speed.advertised_speeds |=
1542                                 NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
1543                 sup_caps = QED_LM_50000baseKR2_Full_BIT |
1544                            QED_LM_50000baseCR2_Full_BIT |
1545                            QED_LM_50000baseSR2_Full_BIT;
1546                 if (params->adv_speeds & sup_caps)
1547                         link_params->speed.advertised_speeds |=
1548                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
1549                 sup_caps = QED_LM_100000baseKR4_Full_BIT |
1550                            QED_LM_100000baseSR4_Full_BIT |
1551                            QED_LM_100000baseCR4_Full_BIT |
1552                            QED_LM_100000baseLR4_ER4_Full_BIT;
1553                 if (params->adv_speeds & sup_caps)
1554                         link_params->speed.advertised_speeds |=
1555                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
1556         }
1557         if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
1558                 link_params->speed.forced_speed = params->forced_speed;
1559         if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
1560                 if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
1561                         link_params->pause.autoneg = true;
1562                 else
1563                         link_params->pause.autoneg = false;
1564                 if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
1565                         link_params->pause.forced_rx = true;
1566                 else
1567                         link_params->pause.forced_rx = false;
1568                 if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
1569                         link_params->pause.forced_tx = true;
1570                 else
1571                         link_params->pause.forced_tx = false;
1572         }
1573         if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
1574                 switch (params->loopback_mode) {
1575                 case QED_LINK_LOOPBACK_INT_PHY:
1576                         link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
1577                         break;
1578                 case QED_LINK_LOOPBACK_EXT_PHY:
1579                         link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
1580                         break;
1581                 case QED_LINK_LOOPBACK_EXT:
1582                         link_params->loopback_mode = ETH_LOOPBACK_EXT;
1583                         break;
1584                 case QED_LINK_LOOPBACK_MAC:
1585                         link_params->loopback_mode = ETH_LOOPBACK_MAC;
1586                         break;
1587                 default:
1588                         link_params->loopback_mode = ETH_LOOPBACK_NONE;
1589                         break;
1590                 }
1591         }
1592
1593         if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
1594                 memcpy(&link_params->eee, &params->eee,
1595                        sizeof(link_params->eee));
1596
1597         rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
1598
1599         qed_ptt_release(hwfn, ptt);
1600
1601         return rc;
1602 }
1603
1604 static int qed_get_port_type(u32 media_type)
1605 {
1606         int port_type;
1607
1608         switch (media_type) {
1609         case MEDIA_SFPP_10G_FIBER:
1610         case MEDIA_SFP_1G_FIBER:
1611         case MEDIA_XFP_FIBER:
1612         case MEDIA_MODULE_FIBER:
1613         case MEDIA_KR:
1614                 port_type = PORT_FIBRE;
1615                 break;
1616         case MEDIA_DA_TWINAX:
1617                 port_type = PORT_DA;
1618                 break;
1619         case MEDIA_BASE_T:
1620                 port_type = PORT_TP;
1621                 break;
1622         case MEDIA_NOT_PRESENT:
1623                 port_type = PORT_NONE;
1624                 break;
1625         case MEDIA_UNSPECIFIED:
1626         default:
1627                 port_type = PORT_OTHER;
1628                 break;
1629         }
1630         return port_type;
1631 }
1632
1633 static int qed_get_link_data(struct qed_hwfn *hwfn,
1634                              struct qed_mcp_link_params *params,
1635                              struct qed_mcp_link_state *link,
1636                              struct qed_mcp_link_capabilities *link_caps)
1637 {
1638         void *p;
1639
1640         if (!IS_PF(hwfn->cdev)) {
1641                 qed_vf_get_link_params(hwfn, params);
1642                 qed_vf_get_link_state(hwfn, link);
1643                 qed_vf_get_link_caps(hwfn, link_caps);
1644
1645                 return 0;
1646         }
1647
1648         p = qed_mcp_get_link_params(hwfn);
1649         if (!p)
1650                 return -ENXIO;
1651         memcpy(params, p, sizeof(*params));
1652
1653         p = qed_mcp_get_link_state(hwfn);
1654         if (!p)
1655                 return -ENXIO;
1656         memcpy(link, p, sizeof(*link));
1657
1658         p = qed_mcp_get_link_capabilities(hwfn);
1659         if (!p)
1660                 return -ENXIO;
1661         memcpy(link_caps, p, sizeof(*link_caps));
1662
1663         return 0;
1664 }
1665
1666 static void qed_fill_link_capability(struct qed_hwfn *hwfn,
1667                                      struct qed_ptt *ptt, u32 capability,
1668                                      u32 *if_capability)
1669 {
1670         u32 media_type, tcvr_state, tcvr_type;
1671         u32 speed_mask, board_cfg;
1672
1673         if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
1674                 media_type = MEDIA_UNSPECIFIED;
1675
1676         if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
1677                 tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;
1678
1679         if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
1680                 speed_mask = 0xFFFFFFFF;
1681
1682         if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
1683                 board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
1684
1685         DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
1686                    "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
1687                    media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);
1688
1689         switch (media_type) {
1690         case MEDIA_DA_TWINAX:
1691                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1692                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1693                 /* For DAC media multiple speed capabilities are supported*/
1694                 capability = capability & speed_mask;
1695                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1696                         *if_capability |= QED_LM_1000baseKX_Full_BIT;
1697                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1698                         *if_capability |= QED_LM_10000baseCR_Full_BIT;
1699                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1700                         *if_capability |= QED_LM_40000baseCR4_Full_BIT;
1701                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1702                         *if_capability |= QED_LM_25000baseCR_Full_BIT;
1703                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1704                         *if_capability |= QED_LM_50000baseCR2_Full_BIT;
1705                 if (capability &
1706                         NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1707                         *if_capability |= QED_LM_100000baseCR4_Full_BIT;
1708                 break;
1709         case MEDIA_BASE_T:
1710                 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
1711                         if (capability &
1712                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1713                                 *if_capability |= QED_LM_1000baseT_Full_BIT;
1714                         }
1715                         if (capability &
1716                             NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1717                                 *if_capability |= QED_LM_10000baseT_Full_BIT;
1718                         }
1719                 }
1720                 if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
1721                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_1000BASET)
1722                                 *if_capability |= QED_LM_1000baseT_Full_BIT;
1723                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_BASET)
1724                                 *if_capability |= QED_LM_10000baseT_Full_BIT;
1725                 }
1726                 break;
1727         case MEDIA_SFP_1G_FIBER:
1728         case MEDIA_SFPP_10G_FIBER:
1729         case MEDIA_XFP_FIBER:
1730         case MEDIA_MODULE_FIBER:
1731                 if (capability &
1732                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G) {
1733                         if ((tcvr_type == ETH_TRANSCEIVER_TYPE_1G_LX) ||
1734                             (tcvr_type == ETH_TRANSCEIVER_TYPE_1G_SX))
1735                                 *if_capability |= QED_LM_1000baseKX_Full_BIT;
1736                 }
1737                 if (capability &
1738                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G) {
1739                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_SR)
1740                                 *if_capability |= QED_LM_10000baseSR_Full_BIT;
1741                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LR)
1742                                 *if_capability |= QED_LM_10000baseLR_Full_BIT;
1743                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_LRM)
1744                                 *if_capability |= QED_LM_10000baseLRM_Full_BIT;
1745                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_10G_ER)
1746                                 *if_capability |= QED_LM_10000baseR_FEC_BIT;
1747                 }
1748                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1749                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1750                 if (capability &
1751                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G) {
1752                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_25G_SR)
1753                                 *if_capability |= QED_LM_25000baseSR_Full_BIT;
1754                 }
1755                 if (capability &
1756                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G) {
1757                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_LR4)
1758                                 *if_capability |= QED_LM_40000baseLR4_Full_BIT;
1759                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_40G_SR4)
1760                                 *if_capability |= QED_LM_40000baseSR4_Full_BIT;
1761                 }
1762                 if (capability &
1763                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1764                         *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1765                 if (capability &
1766                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G) {
1767                         if (tcvr_type == ETH_TRANSCEIVER_TYPE_100G_SR4)
1768                                 *if_capability |= QED_LM_100000baseSR4_Full_BIT;
1769                 }
1770
1771                 break;
1772         case MEDIA_KR:
1773                 if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
1774                         *if_capability |= QED_LM_20000baseKR2_Full_BIT;
1775                 if (capability &
1776                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
1777                         *if_capability |= QED_LM_1000baseKX_Full_BIT;
1778                 if (capability &
1779                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
1780                         *if_capability |= QED_LM_10000baseKR_Full_BIT;
1781                 if (capability &
1782                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
1783                         *if_capability |= QED_LM_25000baseKR_Full_BIT;
1784                 if (capability &
1785                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
1786                         *if_capability |= QED_LM_40000baseKR4_Full_BIT;
1787                 if (capability &
1788                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
1789                         *if_capability |= QED_LM_50000baseKR2_Full_BIT;
1790                 if (capability &
1791                     NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
1792                         *if_capability |= QED_LM_100000baseKR4_Full_BIT;
1793                 break;
1794         case MEDIA_UNSPECIFIED:
1795         case MEDIA_NOT_PRESENT:
1796                 DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
1797                            "Unknown media and transceiver type;\n");
1798                 break;
1799         }
1800 }
1801
1802 static void qed_fill_link(struct qed_hwfn *hwfn,
1803                           struct qed_ptt *ptt,
1804                           struct qed_link_output *if_link)
1805 {
1806         struct qed_mcp_link_capabilities link_caps;
1807         struct qed_mcp_link_params params;
1808         struct qed_mcp_link_state link;
1809         u32 media_type;
1810
1811         memset(if_link, 0, sizeof(*if_link));
1812
1813         /* Prepare source inputs */
1814         if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
1815                 dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
1816                 return;
1817         }
1818
1819         /* Set the link parameters to pass to protocol driver */
1820         if (link.link_up)
1821                 if_link->link_up = true;
1822
1823         /* TODO - at the moment assume supported and advertised speed equal */
1824         if_link->supported_caps = QED_LM_FIBRE_BIT;
1825         if (link_caps.default_speed_autoneg)
1826                 if_link->supported_caps |= QED_LM_Autoneg_BIT;
1827         if (params.pause.autoneg ||
1828             (params.pause.forced_rx && params.pause.forced_tx))
1829                 if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
1830         if (params.pause.autoneg || params.pause.forced_rx ||
1831             params.pause.forced_tx)
1832                 if_link->supported_caps |= QED_LM_Pause_BIT;
1833
1834         if_link->advertised_caps = if_link->supported_caps;
1835         if (params.speed.autoneg)
1836                 if_link->advertised_caps |= QED_LM_Autoneg_BIT;
1837         else
1838                 if_link->advertised_caps &= ~QED_LM_Autoneg_BIT;
1839
1840         /* Fill link advertised capability*/
1841         qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
1842                                  &if_link->advertised_caps);
1843         /* Fill link supported capability*/
1844         qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
1845                                  &if_link->supported_caps);
1846
1847         if (link.link_up)
1848                 if_link->speed = link.speed;
1849
1850         /* TODO - fill duplex properly */
1851         if_link->duplex = DUPLEX_FULL;
1852         qed_mcp_get_media_type(hwfn, ptt, &media_type);
1853         if_link->port = qed_get_port_type(media_type);
1854
1855         if_link->autoneg = params.speed.autoneg;
1856
1857         if (params.pause.autoneg)
1858                 if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
1859         if (params.pause.forced_rx)
1860                 if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
1861         if (params.pause.forced_tx)
1862                 if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
1863
1864         /* Link partner capabilities */
1865         if (link.partner_adv_speed &
1866             QED_LINK_PARTNER_SPEED_1G_FD)
1867                 if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
1868         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
1869                 if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
1870         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_20G)
1871                 if_link->lp_caps |= QED_LM_20000baseKR2_Full_BIT;
1872         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
1873                 if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
1874         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
1875                 if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
1876         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
1877                 if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
1878         if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
1879                 if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
1880
1881         if (link.an_complete)
1882                 if_link->lp_caps |= QED_LM_Autoneg_BIT;
1883
1884         if (link.partner_adv_pause)
1885                 if_link->lp_caps |= QED_LM_Pause_BIT;
1886         if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
1887             link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
1888                 if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
1889
1890         if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
1891                 if_link->eee_supported = false;
1892         } else {
1893                 if_link->eee_supported = true;
1894                 if_link->eee_active = link.eee_active;
1895                 if_link->sup_caps = link_caps.eee_speed_caps;
1896                 /* MFW clears adv_caps on eee disable; use configured value */
1897                 if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
1898                                         params.eee.adv_caps;
1899                 if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
1900                 if_link->eee.enable = params.eee.enable;
1901                 if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
1902                 if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
1903         }
1904 }
1905
1906 static void qed_get_current_link(struct qed_dev *cdev,
1907                                  struct qed_link_output *if_link)
1908 {
1909         struct qed_hwfn *hwfn;
1910         struct qed_ptt *ptt;
1911         int i;
1912
1913         hwfn = &cdev->hwfns[0];
1914         if (IS_PF(cdev)) {
1915                 ptt = qed_ptt_acquire(hwfn);
1916                 if (ptt) {
1917                         qed_fill_link(hwfn, ptt, if_link);
1918                         qed_ptt_release(hwfn, ptt);
1919                 } else {
1920                         DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
1921                 }
1922         } else {
1923                 qed_fill_link(hwfn, NULL, if_link);
1924         }
1925
1926         for_each_hwfn(cdev, i)
1927                 qed_inform_vf_link_state(&cdev->hwfns[i]);
1928 }
1929
1930 void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
1931 {
1932         void *cookie = hwfn->cdev->ops_cookie;
1933         struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
1934         struct qed_link_output if_link;
1935
1936         qed_fill_link(hwfn, ptt, &if_link);
1937         qed_inform_vf_link_state(hwfn);
1938
1939         if (IS_LEAD_HWFN(hwfn) && cookie)
1940                 op->link_update(cookie, &if_link);
1941 }
1942
1943 static int qed_drain(struct qed_dev *cdev)
1944 {
1945         struct qed_hwfn *hwfn;
1946         struct qed_ptt *ptt;
1947         int i, rc;
1948
1949         if (IS_VF(cdev))
1950                 return 0;
1951
1952         for_each_hwfn(cdev, i) {
1953                 hwfn = &cdev->hwfns[i];
1954                 ptt = qed_ptt_acquire(hwfn);
1955                 if (!ptt) {
1956                         DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
1957                         return -EBUSY;
1958                 }
1959                 rc = qed_mcp_drain(hwfn, ptt);
1960                 qed_ptt_release(hwfn, ptt);
1961                 if (rc)
1962                         return rc;
1963         }
1964
1965         return 0;
1966 }
1967
1968 static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
1969                                           struct qed_nvm_image_att *nvm_image,
1970                                           u32 *crc)
1971 {
1972         u8 *buf = NULL;
1973         int rc, j;
1974         u32 val;
1975
1976         /* Allocate a buffer for holding the nvram image */
1977         buf = kzalloc(nvm_image->length, GFP_KERNEL);
1978         if (!buf)
1979                 return -ENOMEM;
1980
1981         /* Read image into buffer */
1982         rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
1983                               buf, nvm_image->length);
1984         if (rc) {
1985                 DP_ERR(cdev, "Failed reading image from nvm\n");
1986                 goto out;
1987         }
1988
1989         /* Convert the buffer into big-endian format (excluding the
1990          * closing 4 bytes of CRC).
1991          */
1992         for (j = 0; j < nvm_image->length - 4; j += 4) {
1993                 val = cpu_to_be32(*(u32 *)&buf[j]);
1994                 *(u32 *)&buf[j] = val;
1995         }
1996
1997         /* Calc CRC for the "actual" image buffer, i.e. not including
1998          * the last 4 CRC bytes.
1999          */
2000         *crc = (~cpu_to_be32(crc32(0xffffffff, buf, nvm_image->length - 4)));
2001
2002 out:
2003         kfree(buf);
2004
2005         return rc;
2006 }
2007
2008 /* Binary file format -
2009  *     /----------------------------------------------------------------------\
2010  * 0B  |                       0x4 [command index]                            |
2011  * 4B  | image_type     | Options        |  Number of register settings       |
2012  * 8B  |                       Value                                          |
2013  * 12B |                       Mask                                           |
2014  * 16B |                       Offset                                         |
2015  *     \----------------------------------------------------------------------/
2016  * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
2017  * Options - 0'b - Calculate & Update CRC for image
2018  */
2019 static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
2020                                       bool *check_resp)
2021 {
2022         struct qed_nvm_image_att nvm_image;
2023         struct qed_hwfn *p_hwfn;
2024         bool is_crc = false;
2025         u32 image_type;
2026         int rc = 0, i;
2027         u16 len;
2028
2029         *data += 4;
2030         image_type = **data;
2031         p_hwfn = QED_LEADING_HWFN(cdev);
2032         for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
2033                 if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
2034                         break;
2035         if (i == p_hwfn->nvm_info.num_images) {
2036                 DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
2037                        image_type);
2038                 return -ENOENT;
2039         }
2040
2041         nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
2042         nvm_image.length = p_hwfn->nvm_info.image_att[i].len;
2043
2044         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2045                    "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
2046                    **data, image_type, nvm_image.start_addr,
2047                    nvm_image.start_addr + nvm_image.length - 1);
2048         (*data)++;
2049         is_crc = !!(**data & BIT(0));
2050         (*data)++;
2051         len = *((u16 *)*data);
2052         *data += 2;
2053         if (is_crc) {
2054                 u32 crc = 0;
2055
2056                 rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
2057                 if (rc) {
2058                         DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
2059                         goto exit;
2060                 }
2061
2062                 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2063                                        (nvm_image.start_addr +
2064                                         nvm_image.length - 4), (u8 *)&crc, 4);
2065                 if (rc)
2066                         DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
2067                                nvm_image.start_addr + nvm_image.length - 4, rc);
2068                 goto exit;
2069         }
2070
2071         /* Iterate over the values for setting */
2072         while (len) {
2073                 u32 offset, mask, value, cur_value;
2074                 u8 buf[4];
2075
2076                 value = *((u32 *)*data);
2077                 *data += 4;
2078                 mask = *((u32 *)*data);
2079                 *data += 4;
2080                 offset = *((u32 *)*data);
2081                 *data += 4;
2082
2083                 rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
2084                                       4);
2085                 if (rc) {
2086                         DP_ERR(cdev, "Failed reading from %08x\n",
2087                                nvm_image.start_addr + offset);
2088                         goto exit;
2089                 }
2090
2091                 cur_value = le32_to_cpu(*((__le32 *)buf));
2092                 DP_VERBOSE(cdev, NETIF_MSG_DRV,
2093                            "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
2094                            nvm_image.start_addr + offset, cur_value,
2095                            (cur_value & ~mask) | (value & mask), value, mask);
2096                 value = (value & mask) | (cur_value & ~mask);
2097                 rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
2098                                        nvm_image.start_addr + offset,
2099                                        (u8 *)&value, 4);
2100                 if (rc) {
2101                         DP_ERR(cdev, "Failed writing to %08x\n",
2102                                nvm_image.start_addr + offset);
2103                         goto exit;
2104                 }
2105
2106                 len--;
2107         }
2108 exit:
2109         return rc;
2110 }
2111
2112 /* Binary file format -
2113  *     /----------------------------------------------------------------------\
2114  * 0B  |                       0x3 [command index]                            |
2115  * 4B  | b'0: check_response?   | b'1-31  reserved                            |
2116  * 8B  | File-type |                   reserved                               |
2117  * 12B |                    Image length in bytes                             |
2118  *     \----------------------------------------------------------------------/
2119  *     Start a new file of the provided type
2120  */
2121 static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
2122                                           const u8 **data, bool *check_resp)
2123 {
2124         u32 file_type, file_size = 0;
2125         int rc;
2126
2127         *data += 4;
2128         *check_resp = !!(**data & BIT(0));
2129         *data += 4;
2130         file_type = **data;
2131
2132         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2133                    "About to start a new file of type %02x\n", file_type);
2134         if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
2135                 *data += 4;
2136                 file_size = *((u32 *)(*data));
2137         }
2138
2139         rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
2140                                (u8 *)(&file_size), 4);
2141         *data += 4;
2142
2143         return rc;
2144 }
2145
2146 /* Binary file format -
2147  *     /----------------------------------------------------------------------\
2148  * 0B  |                       0x2 [command index]                            |
2149  * 4B  |                       Length in bytes                                |
2150  * 8B  | b'0: check_response?   | b'1-31  reserved                            |
2151  * 12B |                       Offset in bytes                                |
2152  * 16B |                       Data ...                                       |
2153  *     \----------------------------------------------------------------------/
2154  *     Write data as part of a file that was previously started. Data should be
2155  *     of length equal to that provided in the message
2156  */
2157 static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
2158                                          const u8 **data, bool *check_resp)
2159 {
2160         u32 offset, len;
2161         int rc;
2162
2163         *data += 4;
2164         len = *((u32 *)(*data));
2165         *data += 4;
2166         *check_resp = !!(**data & BIT(0));
2167         *data += 4;
2168         offset = *((u32 *)(*data));
2169         *data += 4;
2170
2171         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2172                    "About to write File-data: %08x bytes to offset %08x\n",
2173                    len, offset);
2174
2175         rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
2176                                (char *)(*data), len);
2177         *data += len;
2178
2179         return rc;
2180 }
2181
2182 /* Binary file format [General header] -
2183  *     /----------------------------------------------------------------------\
2184  * 0B  |                       QED_NVM_SIGNATURE                              |
2185  * 4B  |                       Length in bytes                                |
2186  * 8B  | Highest command in this batchfile |          Reserved                |
2187  *     \----------------------------------------------------------------------/
2188  */
2189 static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
2190                                         const struct firmware *image,
2191                                         const u8 **data)
2192 {
2193         u32 signature, len;
2194
2195         /* Check minimum size */
2196         if (image->size < 12) {
2197                 DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
2198                 return -EINVAL;
2199         }
2200
2201         /* Check signature */
2202         signature = *((u32 *)(*data));
2203         if (signature != QED_NVM_SIGNATURE) {
2204                 DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
2205                 return -EINVAL;
2206         }
2207
2208         *data += 4;
2209         /* Validate internal size equals the image-size */
2210         len = *((u32 *)(*data));
2211         if (len != image->size) {
2212                 DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
2213                        len, (u32)image->size);
2214                 return -EINVAL;
2215         }
2216
2217         *data += 4;
2218         /* Make sure driver familiar with all commands necessary for this */
2219         if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
2220                 DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
2221                        *((u16 *)(*data)));
2222                 return -EINVAL;
2223         }
2224
2225         *data += 4;
2226
2227         return 0;
2228 }
2229
2230 static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
2231 {
2232         const struct firmware *image;
2233         const u8 *data, *data_end;
2234         u32 cmd_type;
2235         int rc;
2236
2237         rc = request_firmware(&image, name, &cdev->pdev->dev);
2238         if (rc) {
2239                 DP_ERR(cdev, "Failed to find '%s'\n", name);
2240                 return rc;
2241         }
2242
2243         DP_VERBOSE(cdev, NETIF_MSG_DRV,
2244                    "Flashing '%s' - firmware's data at %p, size is %08x\n",
2245                    name, image->data, (u32)image->size);
2246         data = image->data;
2247         data_end = data + image->size;
2248
2249         rc = qed_nvm_flash_image_validate(cdev, image, &data);
2250         if (rc)
2251                 goto exit;
2252
2253         while (data < data_end) {
2254                 bool check_resp = false;
2255
2256                 /* Parse the actual command */
2257                 cmd_type = *((u32 *)data);
2258                 switch (cmd_type) {
2259                 case QED_NVM_FLASH_CMD_FILE_DATA:
2260                         rc = qed_nvm_flash_image_file_data(cdev, &data,
2261                                                            &check_resp);
2262                         break;
2263                 case QED_NVM_FLASH_CMD_FILE_START:
2264                         rc = qed_nvm_flash_image_file_start(cdev, &data,
2265                                                             &check_resp);
2266                         break;
2267                 case QED_NVM_FLASH_CMD_NVM_CHANGE:
2268                         rc = qed_nvm_flash_image_access(cdev, &data,
2269                                                         &check_resp);
2270                         break;
2271                 default:
2272                         DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
2273                         rc = -EINVAL;
2274                         goto exit;
2275                 }
2276
2277                 if (rc) {
2278                         DP_ERR(cdev, "Command %08x failed\n", cmd_type);
2279                         goto exit;
2280                 }
2281
2282                 /* Check response if needed */
2283                 if (check_resp) {
2284                         u32 mcp_response = 0;
2285
2286                         if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
2287                                 DP_ERR(cdev, "Failed getting MCP response\n");
2288                                 rc = -EINVAL;
2289                                 goto exit;
2290                         }
2291
2292                         switch (mcp_response & FW_MSG_CODE_MASK) {
2293                         case FW_MSG_CODE_OK:
2294                         case FW_MSG_CODE_NVM_OK:
2295                         case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
2296                         case FW_MSG_CODE_PHY_OK:
2297                                 break;
2298                         default:
2299                                 DP_ERR(cdev, "MFW returns error: %08x\n",
2300                                        mcp_response);
2301                                 rc = -EINVAL;
2302                                 goto exit;
2303                         }
2304                 }
2305         }
2306
2307 exit:
2308         release_firmware(image);
2309
2310         return rc;
2311 }
2312
2313 static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
2314                              u8 *buf, u16 len)
2315 {
2316         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2317
2318         return qed_mcp_get_nvm_image(hwfn, type, buf, len);
2319 }
2320
2321 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
2322 {
2323         struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
2324         void *cookie = p_hwfn->cdev->ops_cookie;
2325
2326         if (ops && ops->schedule_recovery_handler)
2327                 ops->schedule_recovery_handler(cookie);
2328 }
2329
2330 static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
2331                             void *handle)
2332 {
2333                 return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
2334 }
2335
2336 static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
2337 {
2338         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2339         struct qed_ptt *ptt;
2340         int status = 0;
2341
2342         ptt = qed_ptt_acquire(hwfn);
2343         if (!ptt)
2344                 return -EAGAIN;
2345
2346         status = qed_mcp_set_led(hwfn, ptt, mode);
2347
2348         qed_ptt_release(hwfn, ptt);
2349
2350         return status;
2351 }
2352
2353 static int qed_recovery_process(struct qed_dev *cdev)
2354 {
2355         struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
2356         struct qed_ptt *p_ptt;
2357         int rc = 0;
2358
2359         p_ptt = qed_ptt_acquire(p_hwfn);
2360         if (!p_ptt)
2361                 return -EAGAIN;
2362
2363         rc = qed_start_recovery_process(p_hwfn, p_ptt);
2364
2365         qed_ptt_release(p_hwfn, p_ptt);
2366
2367         return rc;
2368 }
2369
2370 static int qed_update_wol(struct qed_dev *cdev, bool enabled)
2371 {
2372         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2373         struct qed_ptt *ptt;
2374         int rc = 0;
2375
2376         if (IS_VF(cdev))
2377                 return 0;
2378
2379         ptt = qed_ptt_acquire(hwfn);
2380         if (!ptt)
2381                 return -EAGAIN;
2382
2383         rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
2384                                    : QED_OV_WOL_DISABLED);
2385         if (rc)
2386                 goto out;
2387         rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2388
2389 out:
2390         qed_ptt_release(hwfn, ptt);
2391         return rc;
2392 }
2393
2394 static int qed_update_drv_state(struct qed_dev *cdev, bool active)
2395 {
2396         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2397         struct qed_ptt *ptt;
2398         int status = 0;
2399
2400         if (IS_VF(cdev))
2401                 return 0;
2402
2403         ptt = qed_ptt_acquire(hwfn);
2404         if (!ptt)
2405                 return -EAGAIN;
2406
2407         status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
2408                                                 QED_OV_DRIVER_STATE_ACTIVE :
2409                                                 QED_OV_DRIVER_STATE_DISABLED);
2410
2411         qed_ptt_release(hwfn, ptt);
2412
2413         return status;
2414 }
2415
2416 static int qed_update_mac(struct qed_dev *cdev, u8 *mac)
2417 {
2418         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2419         struct qed_ptt *ptt;
2420         int status = 0;
2421
2422         if (IS_VF(cdev))
2423                 return 0;
2424
2425         ptt = qed_ptt_acquire(hwfn);
2426         if (!ptt)
2427                 return -EAGAIN;
2428
2429         status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
2430         if (status)
2431                 goto out;
2432
2433         status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2434
2435 out:
2436         qed_ptt_release(hwfn, ptt);
2437         return status;
2438 }
2439
2440 static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
2441 {
2442         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2443         struct qed_ptt *ptt;
2444         int status = 0;
2445
2446         if (IS_VF(cdev))
2447                 return 0;
2448
2449         ptt = qed_ptt_acquire(hwfn);
2450         if (!ptt)
2451                 return -EAGAIN;
2452
2453         status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
2454         if (status)
2455                 goto out;
2456
2457         status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);
2458
2459 out:
2460         qed_ptt_release(hwfn, ptt);
2461         return status;
2462 }
2463
2464 static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
2465                                   u8 dev_addr, u32 offset, u32 len)
2466 {
2467         struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
2468         struct qed_ptt *ptt;
2469         int rc = 0;
2470
2471         if (IS_VF(cdev))
2472                 return 0;
2473
2474         ptt = qed_ptt_acquire(hwfn);
2475         if (!ptt)
2476                 return -EAGAIN;
2477
2478         rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
2479                                   offset, len, buf);
2480
2481         qed_ptt_release(hwfn, ptt);
2482
2483         return rc;
2484 }
2485
2486 static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
2487 {
2488         return QED_AFFIN_HWFN_IDX(cdev);
2489 }
2490
2491 static struct qed_selftest_ops qed_selftest_ops_pass = {
2492         .selftest_memory = &qed_selftest_memory,
2493         .selftest_interrupt = &qed_selftest_interrupt,
2494         .selftest_register = &qed_selftest_register,
2495         .selftest_clock = &qed_selftest_clock,
2496         .selftest_nvram = &qed_selftest_nvram,
2497 };
2498
2499 const struct qed_common_ops qed_common_ops_pass = {
2500         .selftest = &qed_selftest_ops_pass,
2501         .probe = &qed_probe,
2502         .remove = &qed_remove,
2503         .set_power_state = &qed_set_power_state,
2504         .set_name = &qed_set_name,
2505         .update_pf_params = &qed_update_pf_params,
2506         .slowpath_start = &qed_slowpath_start,
2507         .slowpath_stop = &qed_slowpath_stop,
2508         .set_fp_int = &qed_set_int_fp,
2509         .get_fp_int = &qed_get_int_fp,
2510         .sb_init = &qed_sb_init,
2511         .sb_release = &qed_sb_release,
2512         .simd_handler_config = &qed_simd_handler_config,
2513         .simd_handler_clean = &qed_simd_handler_clean,
2514         .dbg_grc = &qed_dbg_grc,
2515         .dbg_grc_size = &qed_dbg_grc_size,
2516         .can_link_change = &qed_can_link_change,
2517         .set_link = &qed_set_link,
2518         .get_link = &qed_get_current_link,
2519         .drain = &qed_drain,
2520         .update_msglvl = &qed_init_dp,
2521         .dbg_all_data = &qed_dbg_all_data,
2522         .dbg_all_data_size = &qed_dbg_all_data_size,
2523         .chain_alloc = &qed_chain_alloc,
2524         .chain_free = &qed_chain_free,
2525         .nvm_flash = &qed_nvm_flash,
2526         .nvm_get_image = &qed_nvm_get_image,
2527         .set_coalesce = &qed_set_coalesce,
2528         .set_led = &qed_set_led,
2529         .recovery_process = &qed_recovery_process,
2530         .recovery_prolog = &qed_recovery_prolog,
2531         .update_drv_state = &qed_update_drv_state,
2532         .update_mac = &qed_update_mac,
2533         .update_mtu = &qed_update_mtu,
2534         .update_wol = &qed_update_wol,
2535         .db_recovery_add = &qed_db_recovery_add,
2536         .db_recovery_del = &qed_db_recovery_del,
2537         .read_module_eeprom = &qed_read_module_eeprom,
2538         .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
2539 };
2540
2541 void qed_get_protocol_stats(struct qed_dev *cdev,
2542                             enum qed_mcp_protocol_type type,
2543                             union qed_mcp_protocol_stats *stats)
2544 {
2545         struct qed_eth_stats eth_stats;
2546
2547         memset(stats, 0, sizeof(*stats));
2548
2549         switch (type) {
2550         case QED_MCP_LAN_STATS:
2551                 qed_get_vport_stats(cdev, &eth_stats);
2552                 stats->lan_stats.ucast_rx_pkts =
2553                                         eth_stats.common.rx_ucast_pkts;
2554                 stats->lan_stats.ucast_tx_pkts =
2555                                         eth_stats.common.tx_ucast_pkts;
2556                 stats->lan_stats.fcs_err = -1;
2557                 break;
2558         case QED_MCP_FCOE_STATS:
2559                 qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats);
2560                 break;
2561         case QED_MCP_ISCSI_STATS:
2562                 qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats);
2563                 break;
2564         default:
2565                 DP_VERBOSE(cdev, QED_MSG_SP,
2566                            "Invalid protocol type = %d\n", type);
2567                 return;
2568         }
2569 }
2570
2571 int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
2572 {
2573         DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
2574                    "Scheduling slowpath task [Flag: %d]\n",
2575                    QED_SLOWPATH_MFW_TLV_REQ);
2576         smp_mb__before_atomic();
2577         set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
2578         smp_mb__after_atomic();
2579         queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);
2580
2581         return 0;
2582 }
2583
2584 static void
2585 qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
2586 {
2587         struct qed_common_cb_ops *op = cdev->protocol_ops.common;
2588         struct qed_eth_stats_common *p_common;
2589         struct qed_generic_tlvs gen_tlvs;
2590         struct qed_eth_stats stats;
2591         int i;
2592
2593         memset(&gen_tlvs, 0, sizeof(gen_tlvs));
2594         op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);
2595
2596         if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
2597                 tlv->flags.ipv4_csum_offload = true;
2598         if (gen_tlvs.feat_flags & QED_TLV_LSO)
2599                 tlv->flags.lso_supported = true;
2600         tlv->flags.b_set = true;
2601
2602         for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
2603                 if (is_valid_ether_addr(gen_tlvs.mac[i])) {
2604                         ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
2605                         tlv->mac_set[i] = true;
2606                 }
2607         }
2608
2609         qed_get_vport_stats(cdev, &stats);
2610         p_common = &stats.common;
2611         tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
2612                          p_common->rx_bcast_pkts;
2613         tlv->rx_frames_set = true;
2614         tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
2615                         p_common->rx_bcast_bytes;
2616         tlv->rx_bytes_set = true;
2617         tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
2618                          p_common->tx_bcast_pkts;
2619         tlv->tx_frames_set = true;
2620         tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
2621                         p_common->tx_bcast_bytes;
2622         tlv->rx_bytes_set = true;
2623 }
2624
2625 int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
2626                           union qed_mfw_tlv_data *tlv_buf)
2627 {
2628         struct qed_dev *cdev = hwfn->cdev;
2629         struct qed_common_cb_ops *ops;
2630
2631         ops = cdev->protocol_ops.common;
2632         if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
2633                 DP_NOTICE(hwfn, "Can't collect TLV management info\n");
2634                 return -EINVAL;
2635         }
2636
2637         switch (type) {
2638         case QED_MFW_TLV_GENERIC:
2639                 qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
2640                 break;
2641         case QED_MFW_TLV_ETH:
2642                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
2643                 break;
2644         case QED_MFW_TLV_FCOE:
2645                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
2646                 break;
2647         case QED_MFW_TLV_ISCSI:
2648                 ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
2649                 break;
2650         default:
2651                 break;
2652         }
2653
2654         return 0;
2655 }