root/drivers/net/ethernet/qlogic/qed/qed_main.c
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#include <linux/stddef.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/dma-mapping.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/ethtool.h>
#include <linux/etherdevice.h>
#include <linux/vmalloc.h>
#include <linux/crash_dump.h>
#include <linux/crc32.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_ll2_if.h>
#include <net/devlink.h>
#include <linux/phylink.h>

#include "qed.h"
#include "qed_sriov.h"
#include "qed_sp.h"
#include "qed_dev_api.h"
#include "qed_ll2.h"
#include "qed_fcoe.h"
#include "qed_iscsi.h"

#include "qed_mcp.h"
#include "qed_reg_addr.h"
#include "qed_hw.h"
#include "qed_selftest.h"
#include "qed_debug.h"
#include "qed_devlink.h"

#define QED_ROCE_QPS                    (8192)
#define QED_ROCE_DPIS                   (8)
#define QED_RDMA_SRQS                   QED_ROCE_QPS
#define QED_NVM_CFG_GET_FLAGS           0xA
#define QED_NVM_CFG_GET_PF_FLAGS        0x1A
#define QED_NVM_CFG_MAX_ATTRS           50

static char version[] =
        "QLogic FastLinQ 4xxxx Core Module qed\n";

MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
MODULE_LICENSE("GPL");

#define FW_FILE_VERSION                         \
        __stringify(FW_MAJOR_VERSION) "."       \
        __stringify(FW_MINOR_VERSION) "."       \
        __stringify(FW_REVISION_VERSION) "."    \
        __stringify(FW_ENGINEERING_VERSION)

#define QED_FW_FILE_NAME        \
        "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"

MODULE_FIRMWARE(QED_FW_FILE_NAME);

/* MFW speed capabilities maps */

struct qed_mfw_speed_map {
        u32             mfw_val;
        __ETHTOOL_DECLARE_LINK_MODE_MASK(caps);

        const u32       *cap_arr;
        u32             arr_size;
};

#define QED_MFW_SPEED_MAP(type, arr)            \
{                                               \
        .mfw_val        = (type),               \
        .cap_arr        = (arr),                \
        .arr_size       = ARRAY_SIZE(arr),      \
}

static const u32 qed_mfw_ext_1g[] __initconst = {
        ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
};

static const u32 qed_mfw_ext_10g[] __initconst = {
        ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
        ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
};

static const u32 qed_mfw_ext_25g[] __initconst = {
        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};

static const u32 qed_mfw_ext_40g[] __initconst = {
        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
};

static const u32 qed_mfw_ext_50g_base_r[] __initconst = {
        ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
};

static const u32 qed_mfw_ext_50g_base_r2[] __initconst = {
        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};

static const u32 qed_mfw_ext_100g_base_r2[] __initconst = {
        ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
};

static const u32 qed_mfw_ext_100g_base_r4[] __initconst = {
        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};

static struct qed_mfw_speed_map qed_mfw_ext_maps[] __ro_after_init = {
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_1G, qed_mfw_ext_1g),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_10G, qed_mfw_ext_10g),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_25G, qed_mfw_ext_25g),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_40G, qed_mfw_ext_40g),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R,
                          qed_mfw_ext_50g_base_r),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_50G_BASE_R2,
                          qed_mfw_ext_50g_base_r2),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R2,
                          qed_mfw_ext_100g_base_r2),
        QED_MFW_SPEED_MAP(ETH_EXT_ADV_SPEED_100G_BASE_R4,
                          qed_mfw_ext_100g_base_r4),
};

static const u32 qed_mfw_legacy_1g[] __initconst = {
        ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
        ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
};

static const u32 qed_mfw_legacy_10g[] __initconst = {
        ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
        ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
        ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
};

static const u32 qed_mfw_legacy_20g[] __initconst = {
        ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
};

static const u32 qed_mfw_legacy_25g[] __initconst = {
        ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
        ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};

static const u32 qed_mfw_legacy_40g[] __initconst = {
        ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
};

static const u32 qed_mfw_legacy_50g[] __initconst = {
        ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
        ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};

static const u32 qed_mfw_legacy_bb_100g[] __initconst = {
        ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
        ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};

static struct qed_mfw_speed_map qed_mfw_legacy_maps[] __ro_after_init = {
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G,
                          qed_mfw_legacy_1g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G,
                          qed_mfw_legacy_10g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G,
                          qed_mfw_legacy_20g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G,
                          qed_mfw_legacy_25g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G,
                          qed_mfw_legacy_40g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G,
                          qed_mfw_legacy_50g),
        QED_MFW_SPEED_MAP(NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G,
                          qed_mfw_legacy_bb_100g),
};

static void __init qed_mfw_speed_map_populate(struct qed_mfw_speed_map *map)
{
        linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);

        map->cap_arr = NULL;
        map->arr_size = 0;
}

static void __init qed_mfw_speed_maps_init(void)
{
        u32 i;

        for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++)
                qed_mfw_speed_map_populate(qed_mfw_ext_maps + i);

        for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++)
                qed_mfw_speed_map_populate(qed_mfw_legacy_maps + i);
}

static int __init qed_init(void)
{
        pr_info("%s", version);

        qed_mfw_speed_maps_init();

        return 0;
}
module_init(qed_init);

static void __exit qed_exit(void)
{
        /* To prevent marking this module as "permanent" */
}
module_exit(qed_exit);

static void qed_free_pci(struct qed_dev *cdev)
{
        struct pci_dev *pdev = cdev->pdev;

        if (cdev->doorbells && cdev->db_size)
                iounmap(cdev->doorbells);
        if (cdev->regview)
                iounmap(cdev->regview);
        if (atomic_read(&pdev->enable_cnt) == 1)
                pci_release_regions(pdev);

        pci_disable_device(pdev);
}

#define PCI_REVISION_ID_ERROR_VAL       0xff

/* Performs PCI initializations as well as initializing PCI-related parameters
 * in the device structrue. Returns 0 in case of success.
 */
static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
{
        u8 rev_id;
        int rc;

        cdev->pdev = pdev;

        rc = pci_enable_device(pdev);
        if (rc) {
                DP_NOTICE(cdev, "Cannot enable PCI device\n");
                goto err0;
        }

        if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
                DP_NOTICE(cdev, "No memory region found in bar #0\n");
                rc = -EIO;
                goto err1;
        }

        if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
                DP_NOTICE(cdev, "No memory region found in bar #2\n");
                rc = -EIO;
                goto err1;
        }

        if (atomic_read(&pdev->enable_cnt) == 1) {
                rc = pci_request_regions(pdev, "qed");
                if (rc) {
                        DP_NOTICE(cdev,
                                  "Failed to request PCI memory resources\n");
                        goto err1;
                }
                pci_set_master(pdev);
                pci_save_state(pdev);
        }

        pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
        if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
                DP_NOTICE(cdev,
                          "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
                          rev_id);
                rc = -ENODEV;
                goto err2;
        }
        if (!pci_is_pcie(pdev)) {
                DP_NOTICE(cdev, "The bus is not PCI Express\n");
                rc = -EIO;
                goto err2;
        }

        if (IS_PF(cdev) && !pdev->pm_cap)
                DP_NOTICE(cdev, "Cannot find power management capability\n");

        rc = dma_set_mask_and_coherent(&cdev->pdev->dev, DMA_BIT_MASK(64));
        if (rc) {
                DP_NOTICE(cdev, "Can't request DMA addresses\n");
                rc = -EIO;
                goto err2;
        }

        cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
        cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
        cdev->pci_params.irq = pdev->irq;

        cdev->regview = pci_ioremap_bar(pdev, 0);
        if (!cdev->regview) {
                DP_NOTICE(cdev, "Cannot map register space, aborting\n");
                rc = -ENOMEM;
                goto err2;
        }

        cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
        cdev->db_size = pci_resource_len(cdev->pdev, 2);
        if (!cdev->db_size) {
                if (IS_PF(cdev)) {
                        DP_NOTICE(cdev, "No Doorbell bar available\n");
                        return -EINVAL;
                } else {
                        return 0;
                }
        }

        cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);

        if (!cdev->doorbells) {
                DP_NOTICE(cdev, "Cannot map doorbell space\n");
                return -ENOMEM;
        }

        return 0;

err2:
        pci_release_regions(pdev);
err1:
        pci_disable_device(pdev);
err0:
        return rc;
}

int qed_fill_dev_info(struct qed_dev *cdev,
                      struct qed_dev_info *dev_info)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_hw_info *hw_info = &p_hwfn->hw_info;
        struct qed_tunnel_info *tun = &cdev->tunnel;
        struct qed_ptt  *ptt;

        memset(dev_info, 0, sizeof(struct qed_dev_info));

        if (tun->vxlan.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
            tun->vxlan.b_mode_enabled)
                dev_info->vxlan_enable = true;

        if (tun->l2_gre.b_mode_enabled && tun->ip_gre.b_mode_enabled &&
            tun->l2_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
            tun->ip_gre.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
                dev_info->gre_enable = true;

        if (tun->l2_geneve.b_mode_enabled && tun->ip_geneve.b_mode_enabled &&
            tun->l2_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN &&
            tun->ip_geneve.tun_cls == QED_TUNN_CLSS_MAC_VLAN)
                dev_info->geneve_enable = true;

        dev_info->num_hwfns = cdev->num_hwfns;
        dev_info->pci_mem_start = cdev->pci_params.mem_start;
        dev_info->pci_mem_end = cdev->pci_params.mem_end;
        dev_info->pci_irq = cdev->pci_params.irq;
        dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
        dev_info->dev_type = cdev->type;
        ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);

        if (IS_PF(cdev)) {
                dev_info->fw_major = FW_MAJOR_VERSION;
                dev_info->fw_minor = FW_MINOR_VERSION;
                dev_info->fw_rev = FW_REVISION_VERSION;
                dev_info->fw_eng = FW_ENGINEERING_VERSION;
                dev_info->b_inter_pf_switch = test_bit(QED_MF_INTER_PF_SWITCH,
                                                       &cdev->mf_bits);
                if (!test_bit(QED_MF_DISABLE_ARFS, &cdev->mf_bits))
                        dev_info->b_arfs_capable = true;
                dev_info->tx_switching = true;

                if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
                        dev_info->wol_support = true;

                dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
                dev_info->esl = qed_mcp_is_esl_supported(p_hwfn);
                dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
        } else {
                qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
                                      &dev_info->fw_minor, &dev_info->fw_rev,
                                      &dev_info->fw_eng);
        }

        if (IS_PF(cdev)) {
                ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
                if (ptt) {
                        qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
                                            &dev_info->mfw_rev, NULL);

                        qed_mcp_get_mbi_ver(QED_LEADING_HWFN(cdev), ptt,
                                            &dev_info->mbi_version);

                        qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
                                               &dev_info->flash_size);

                        qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
                }
        } else {
                qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
                                    &dev_info->mfw_rev, NULL);
        }

        dev_info->mtu = hw_info->mtu;
        cdev->common_dev_info = *dev_info;

        return 0;
}

static void qed_free_cdev(struct qed_dev *cdev)
{
        kfree(cdev);
}

static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
{
        struct qed_dev *cdev;

        cdev = kzalloc_obj(*cdev);
        if (!cdev)
                return cdev;

        qed_init_struct(cdev);

        return cdev;
}

/* Sets the requested power state */
static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
{
        if (!cdev)
                return -ENODEV;

        DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
        return 0;
}

/* probing */
static struct qed_dev *qed_probe(struct pci_dev *pdev,
                                 struct qed_probe_params *params)
{
        struct qed_dev *cdev;
        int rc;

        cdev = qed_alloc_cdev(pdev);
        if (!cdev)
                goto err0;

        cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
        cdev->protocol = params->protocol;

        if (params->is_vf)
                cdev->b_is_vf = true;

        qed_init_dp(cdev, params->dp_module, params->dp_level);

        cdev->recov_in_prog = params->recov_in_prog;

        rc = qed_init_pci(cdev, pdev);
        if (rc) {
                DP_ERR(cdev, "init pci failed\n");
                goto err1;
        }
        DP_INFO(cdev, "PCI init completed successfully\n");

        rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
        if (rc) {
                DP_ERR(cdev, "hw prepare failed\n");
                goto err2;
        }

        DP_INFO(cdev, "%s completed successfully\n", __func__);

        return cdev;

err2:
        qed_free_pci(cdev);
err1:
        qed_free_cdev(cdev);
err0:
        return NULL;
}

static void qed_remove(struct qed_dev *cdev)
{
        if (!cdev)
                return;

        qed_hw_remove(cdev);

        qed_free_pci(cdev);

        qed_set_power_state(cdev, PCI_D3hot);

        qed_free_cdev(cdev);
}

static void qed_disable_msix(struct qed_dev *cdev)
{
        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
                pci_disable_msix(cdev->pdev);
                kfree(cdev->int_params.msix_table);
        } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
                pci_disable_msi(cdev->pdev);
        }

        memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
}

static int qed_enable_msix(struct qed_dev *cdev,
                           struct qed_int_params *int_params)
{
        int i, rc, cnt;

        cnt = int_params->in.num_vectors;

        for (i = 0; i < cnt; i++)
                int_params->msix_table[i].entry = i;

        rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
                                   int_params->in.min_msix_cnt, cnt);
        if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
            (rc % cdev->num_hwfns)) {
                pci_disable_msix(cdev->pdev);

                /* If fastpath is initialized, we need at least one interrupt
                 * per hwfn [and the slow path interrupts]. New requested number
                 * should be a multiple of the number of hwfns.
                 */
                cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
                DP_NOTICE(cdev,
                          "Trying to enable MSI-X with less vectors (%d out of %d)\n",
                          cnt, int_params->in.num_vectors);
                rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
                                           cnt);
                if (!rc)
                        rc = cnt;
        }

        /* For VFs, we should return with an error in case we didn't get the
         * exact number of msix vectors as we requested.
         * Not doing that will lead to a crash when starting queues for
         * this VF.
         */
        if ((IS_PF(cdev) && rc > 0) || (IS_VF(cdev) && rc == cnt)) {
                /* MSI-x configuration was achieved */
                int_params->out.int_mode = QED_INT_MODE_MSIX;
                int_params->out.num_vectors = rc;
                rc = 0;
        } else {
                DP_NOTICE(cdev,
                          "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
                          cnt, rc);
        }

        return rc;
}

/* This function outputs the int mode and the number of enabled msix vector */
static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
{
        struct qed_int_params *int_params = &cdev->int_params;
        struct msix_entry *tbl;
        int rc = 0, cnt;

        switch (int_params->in.int_mode) {
        case QED_INT_MODE_MSIX:
                /* Allocate MSIX table */
                cnt = int_params->in.num_vectors;
                int_params->msix_table = kzalloc_objs(*tbl, cnt);
                if (!int_params->msix_table) {
                        rc = -ENOMEM;
                        goto out;
                }

                /* Enable MSIX */
                rc = qed_enable_msix(cdev, int_params);
                if (!rc)
                        goto out;

                DP_NOTICE(cdev, "Failed to enable MSI-X\n");
                kfree(int_params->msix_table);
                if (force_mode)
                        goto out;
                fallthrough;

        case QED_INT_MODE_MSI:
                if (cdev->num_hwfns == 1) {
                        rc = pci_enable_msi(cdev->pdev);
                        if (!rc) {
                                int_params->out.int_mode = QED_INT_MODE_MSI;
                                goto out;
                        }

                        DP_NOTICE(cdev, "Failed to enable MSI\n");
                        if (force_mode)
                                goto out;
                }
                fallthrough;

        case QED_INT_MODE_INTA:
                        int_params->out.int_mode = QED_INT_MODE_INTA;
                        rc = 0;
                        goto out;
        default:
                DP_NOTICE(cdev, "Unknown int_mode value %d\n",
                          int_params->in.int_mode);
                rc = -EINVAL;
        }

out:
        if (!rc)
                DP_INFO(cdev, "Using %s interrupts\n",
                        int_params->out.int_mode == QED_INT_MODE_INTA ?
                        "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
                        "MSI" : "MSIX");
        cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;

        return rc;
}

static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
                                    int index, void(*handler)(void *))
{
        struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
        int relative_idx = index / cdev->num_hwfns;

        hwfn->simd_proto_handler[relative_idx].func = handler;
        hwfn->simd_proto_handler[relative_idx].token = token;
}

static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
{
        struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
        int relative_idx = index / cdev->num_hwfns;

        memset(&hwfn->simd_proto_handler[relative_idx], 0,
               sizeof(struct qed_simd_fp_handler));
}

static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
{
        tasklet_schedule((struct tasklet_struct *)tasklet);
        return IRQ_HANDLED;
}

static irqreturn_t qed_single_int(int irq, void *dev_instance)
{
        struct qed_dev *cdev = (struct qed_dev *)dev_instance;
        struct qed_hwfn *hwfn;
        irqreturn_t rc = IRQ_NONE;
        u64 status;
        int i, j;

        for (i = 0; i < cdev->num_hwfns; i++) {
                status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);

                if (!status)
                        continue;

                hwfn = &cdev->hwfns[i];

                /* Slowpath interrupt */
                if (unlikely(status & 0x1)) {
                        tasklet_schedule(&hwfn->sp_dpc);
                        status &= ~0x1;
                        rc = IRQ_HANDLED;
                }

                /* Fastpath interrupts */
                for (j = 0; j < 64; j++) {
                        if ((0x2ULL << j) & status) {
                                struct qed_simd_fp_handler *p_handler =
                                        &hwfn->simd_proto_handler[j];

                                if (p_handler->func)
                                        p_handler->func(p_handler->token);
                                else
                                        DP_NOTICE(hwfn,
                                                  "Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
                                                  j, status);

                                status &= ~(0x2ULL << j);
                                rc = IRQ_HANDLED;
                        }
                }

                if (unlikely(status))
                        DP_VERBOSE(hwfn, NETIF_MSG_INTR,
                                   "got an unknown interrupt status 0x%llx\n",
                                   status);
        }

        return rc;
}

int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
{
        struct qed_dev *cdev = hwfn->cdev;
        u32 int_mode;
        int rc = 0;
        u8 id;

        int_mode = cdev->int_params.out.int_mode;
        if (int_mode == QED_INT_MODE_MSIX) {
                id = hwfn->my_id;
                snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
                         id, cdev->pdev->bus->number,
                         PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
                rc = request_irq(cdev->int_params.msix_table[id].vector,
                                 qed_msix_sp_int, 0, hwfn->name, &hwfn->sp_dpc);
        } else {
                unsigned long flags = 0;

                snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
                         cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
                         PCI_FUNC(cdev->pdev->devfn));

                if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
                        flags |= IRQF_SHARED;

                rc = request_irq(cdev->pdev->irq, qed_single_int,
                                 flags, cdev->name, cdev);
        }

        if (rc)
                DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
        else
                DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
                           "Requested slowpath %s\n",
                           (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");

        return rc;
}

static void qed_slowpath_tasklet_flush(struct qed_hwfn *p_hwfn)
{
        /* Calling the disable function will make sure that any
         * currently-running function is completed. The following call to the
         * enable function makes this sequence a flush-like operation.
         */
        if (p_hwfn->b_sp_dpc_enabled) {
                tasklet_disable(&p_hwfn->sp_dpc);
                tasklet_enable(&p_hwfn->sp_dpc);
        }
}

void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn)
{
        struct qed_dev *cdev = p_hwfn->cdev;
        u8 id = p_hwfn->my_id;
        u32 int_mode;

        int_mode = cdev->int_params.out.int_mode;
        if (int_mode == QED_INT_MODE_MSIX)
                synchronize_irq(cdev->int_params.msix_table[id].vector);
        else
                synchronize_irq(cdev->pdev->irq);

        qed_slowpath_tasklet_flush(p_hwfn);
}

static void qed_slowpath_irq_free(struct qed_dev *cdev)
{
        int i;

        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
                for_each_hwfn(cdev, i) {
                        if (!cdev->hwfns[i].b_int_requested)
                                break;
                        free_irq(cdev->int_params.msix_table[i].vector,
                                 &cdev->hwfns[i].sp_dpc);
                }
        } else {
                if (QED_LEADING_HWFN(cdev)->b_int_requested)
                        free_irq(cdev->pdev->irq, cdev);
        }
        qed_int_disable_post_isr_release(cdev);
}

static int qed_nic_stop(struct qed_dev *cdev)
{
        int i, rc;

        rc = qed_hw_stop(cdev);

        for (i = 0; i < cdev->num_hwfns; i++) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                if (p_hwfn->b_sp_dpc_enabled) {
                        tasklet_disable(&p_hwfn->sp_dpc);
                        p_hwfn->b_sp_dpc_enabled = false;
                        DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
                                   "Disabled sp tasklet [hwfn %d] at %p\n",
                                   i, &p_hwfn->sp_dpc);
                }
        }

        qed_dbg_pf_exit(cdev);

        return rc;
}

static int qed_nic_setup(struct qed_dev *cdev)
{
        int rc, i;

        /* Determine if interface is going to require LL2 */
        if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
                for (i = 0; i < cdev->num_hwfns; i++) {
                        struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                        p_hwfn->using_ll2 = true;
                }
        }

        rc = qed_resc_alloc(cdev);
        if (rc)
                return rc;

        DP_INFO(cdev, "Allocated qed resources\n");

        qed_resc_setup(cdev);

        return rc;
}

static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
{
        int limit = 0;

        /* Mark the fastpath as free/used */
        cdev->int_params.fp_initialized = cnt ? true : false;

        if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
                limit = cdev->num_hwfns * 63;
        else if (cdev->int_params.fp_msix_cnt)
                limit = cdev->int_params.fp_msix_cnt;

        if (!limit)
                return -ENOMEM;

        return min_t(int, cnt, limit);
}

static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
{
        memset(info, 0, sizeof(struct qed_int_info));

        if (!cdev->int_params.fp_initialized) {
                DP_INFO(cdev,
                        "Protocol driver requested interrupt information, but its support is not yet configured\n");
                return -EINVAL;
        }

        /* Need to expose only MSI-X information; Single IRQ is handled solely
         * by qed.
         */
        if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
                int msix_base = cdev->int_params.fp_msix_base;

                info->msix_cnt = cdev->int_params.fp_msix_cnt;
                info->msix = &cdev->int_params.msix_table[msix_base];
        }

        return 0;
}

static int qed_slowpath_setup_int(struct qed_dev *cdev,
                                  enum qed_int_mode int_mode)
{
        struct qed_sb_cnt_info sb_cnt_info;
        int num_l2_queues = 0;
        int rc;
        int i;

        if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
                DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
                return -EINVAL;
        }

        memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
        cdev->int_params.in.int_mode = int_mode;
        for_each_hwfn(cdev, i) {
                memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
                qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
                cdev->int_params.in.num_vectors += sb_cnt_info.cnt;
                cdev->int_params.in.num_vectors++; /* slowpath */
        }

        /* We want a minimum of one slowpath and one fastpath vector per hwfn */
        cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;

        if (is_kdump_kernel()) {
                DP_INFO(cdev,
                        "Kdump kernel: Limit the max number of requested MSI-X vectors to %hd\n",
                        cdev->int_params.in.min_msix_cnt);
                cdev->int_params.in.num_vectors =
                        cdev->int_params.in.min_msix_cnt;
        }

        rc = qed_set_int_mode(cdev, false);
        if (rc)  {
                DP_ERR(cdev, "%s ERR\n", __func__);
                return rc;
        }

        cdev->int_params.fp_msix_base = cdev->num_hwfns;
        cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
                                       cdev->num_hwfns;

        if (!IS_ENABLED(CONFIG_QED_RDMA) ||
            !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
                return 0;

        for_each_hwfn(cdev, i)
                num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);

        DP_VERBOSE(cdev, QED_MSG_RDMA,
                   "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
                   cdev->int_params.fp_msix_cnt, num_l2_queues);

        if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
                cdev->int_params.rdma_msix_cnt =
                        (cdev->int_params.fp_msix_cnt - num_l2_queues)
                        / cdev->num_hwfns;
                cdev->int_params.rdma_msix_base =
                        cdev->int_params.fp_msix_base + num_l2_queues;
                cdev->int_params.fp_msix_cnt = num_l2_queues;
        } else {
                cdev->int_params.rdma_msix_cnt = 0;
        }

        DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
                   cdev->int_params.rdma_msix_cnt,
                   cdev->int_params.rdma_msix_base);

        return 0;
}

static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
{
        int rc;

        memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
        cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;

        qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
                            &cdev->int_params.in.num_vectors);
        if (cdev->num_hwfns > 1) {
                u8 vectors = 0;

                qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
                cdev->int_params.in.num_vectors += vectors;
        }

        /* We want a minimum of one fastpath vector per vf hwfn */
        cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;

        rc = qed_set_int_mode(cdev, true);
        if (rc)
                return rc;

        cdev->int_params.fp_msix_base = 0;
        cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;

        return 0;
}

u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
                   u8 *input_buf, u32 max_size, u8 *unzip_buf)
{
        int rc;

        p_hwfn->stream->next_in = input_buf;
        p_hwfn->stream->avail_in = input_len;
        p_hwfn->stream->next_out = unzip_buf;
        p_hwfn->stream->avail_out = max_size;

        rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);

        if (rc != Z_OK) {
                DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
                           rc);
                return 0;
        }

        rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
        zlib_inflateEnd(p_hwfn->stream);

        if (rc != Z_OK && rc != Z_STREAM_END) {
                DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
                           p_hwfn->stream->msg, rc);
                return 0;
        }

        return p_hwfn->stream->total_out / 4;
}

static int qed_alloc_stream_mem(struct qed_dev *cdev)
{
        int i;
        void *workspace;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                p_hwfn->stream = kzalloc_obj(*p_hwfn->stream);
                if (!p_hwfn->stream)
                        return -ENOMEM;

                workspace = vzalloc(zlib_inflate_workspacesize());
                if (!workspace)
                        return -ENOMEM;
                p_hwfn->stream->workspace = workspace;
        }

        return 0;
}

static void qed_free_stream_mem(struct qed_dev *cdev)
{
        int i;

        for_each_hwfn(cdev, i) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                if (!p_hwfn->stream)
                        return;

                vfree(p_hwfn->stream->workspace);
                kfree(p_hwfn->stream);
        }
}

static void qed_update_pf_params(struct qed_dev *cdev,
                                 struct qed_pf_params *params)
{
        int i;

        if (IS_ENABLED(CONFIG_QED_RDMA)) {
                params->rdma_pf_params.num_qps = QED_ROCE_QPS;
                params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
                params->rdma_pf_params.num_srqs = QED_RDMA_SRQS;
                /* divide by 3 the MRs to avoid MF ILT overflow */
                params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
        }

        if (cdev->num_hwfns > 1 || IS_VF(cdev))
                params->eth_pf_params.num_arfs_filters = 0;

        /* In case we might support RDMA, don't allow qede to be greedy
         * with the L2 contexts. Allow for 64 queues [rx, tx cos, xdp]
         * per hwfn.
         */
        if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
                u16 *num_cons;

                num_cons = &params->eth_pf_params.num_cons;
                *num_cons = min_t(u16, *num_cons, QED_MAX_L2_CONS);
        }

        for (i = 0; i < cdev->num_hwfns; i++) {
                struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

                p_hwfn->pf_params = *params;
        }
}

#define QED_PERIODIC_DB_REC_COUNT               10
#define QED_PERIODIC_DB_REC_INTERVAL_MS         100
#define QED_PERIODIC_DB_REC_INTERVAL \
        msecs_to_jiffies(QED_PERIODIC_DB_REC_INTERVAL_MS)

static int qed_slowpath_delayed_work(struct qed_hwfn *hwfn,
                                     enum qed_slowpath_wq_flag wq_flag,
                                     unsigned long delay)
{
        if (!hwfn->slowpath_wq_active)
                return -EINVAL;

        /* Memory barrier for setting atomic bit */
        smp_mb__before_atomic();
        set_bit(wq_flag, &hwfn->slowpath_task_flags);
        /* Memory barrier after setting atomic bit */
        smp_mb__after_atomic();
        queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, delay);

        return 0;
}

void qed_periodic_db_rec_start(struct qed_hwfn *p_hwfn)
{
        /* Reset periodic Doorbell Recovery counter */
        p_hwfn->periodic_db_rec_count = QED_PERIODIC_DB_REC_COUNT;

        /* Don't schedule periodic Doorbell Recovery if already scheduled */
        if (test_bit(QED_SLOWPATH_PERIODIC_DB_REC,
                     &p_hwfn->slowpath_task_flags))
                return;

        qed_slowpath_delayed_work(p_hwfn, QED_SLOWPATH_PERIODIC_DB_REC,
                                  QED_PERIODIC_DB_REC_INTERVAL);
}

static void qed_slowpath_wq_stop(struct qed_dev *cdev)
{
        int i;

        if (IS_VF(cdev))
                return;

        for_each_hwfn(cdev, i) {
                if (!cdev->hwfns[i].slowpath_wq)
                        continue;

                /* Stop queuing new delayed works */
                cdev->hwfns[i].slowpath_wq_active = false;

                cancel_delayed_work(&cdev->hwfns[i].slowpath_task);
                destroy_workqueue(cdev->hwfns[i].slowpath_wq);
        }
}

static void qed_slowpath_task(struct work_struct *work)
{
        struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
                                             slowpath_task.work);
        struct qed_ptt *ptt = qed_ptt_acquire(hwfn);

        if (!ptt) {
                if (hwfn->slowpath_wq_active)
                        queue_delayed_work(hwfn->slowpath_wq,
                                           &hwfn->slowpath_task, 0);

                return;
        }

        if (test_and_clear_bit(QED_SLOWPATH_MFW_TLV_REQ,
                               &hwfn->slowpath_task_flags))
                qed_mfw_process_tlv_req(hwfn, ptt);

        if (test_and_clear_bit(QED_SLOWPATH_PERIODIC_DB_REC,
                               &hwfn->slowpath_task_flags)) {
                /* skip qed_db_rec_handler during recovery/unload */
                if (hwfn->cdev->recov_in_prog || !hwfn->slowpath_wq_active)
                        goto out;

                qed_db_rec_handler(hwfn, ptt);
                if (hwfn->periodic_db_rec_count--)
                        qed_slowpath_delayed_work(hwfn,
                                                  QED_SLOWPATH_PERIODIC_DB_REC,
                                                  QED_PERIODIC_DB_REC_INTERVAL);
        }

out:
        qed_ptt_release(hwfn, ptt);
}

static int qed_slowpath_wq_start(struct qed_dev *cdev)
{
        struct qed_hwfn *hwfn;
        int i;

        if (IS_VF(cdev))
                return 0;

        for_each_hwfn(cdev, i) {
                hwfn = &cdev->hwfns[i];

                hwfn->slowpath_wq = alloc_workqueue("slowpath-%02x:%02x.%02x",
                                         WQ_PERCPU, 0,
                                         cdev->pdev->bus->number,
                                         PCI_SLOT(cdev->pdev->devfn),
                                         hwfn->abs_pf_id);

                if (!hwfn->slowpath_wq) {
                        DP_NOTICE(hwfn, "Cannot create slowpath workqueue\n");
                        return -ENOMEM;
                }

                INIT_DELAYED_WORK(&hwfn->slowpath_task, qed_slowpath_task);
                hwfn->slowpath_wq_active = true;
        }

        return 0;
}

static int qed_slowpath_start(struct qed_dev *cdev,
                              struct qed_slowpath_params *params)
{
        struct qed_drv_load_params drv_load_params;
        struct qed_hw_init_params hw_init_params;
        struct qed_mcp_drv_version drv_version;
        struct qed_tunnel_info tunn_info;
        const u8 *data = NULL;
        struct qed_hwfn *hwfn;
        struct qed_ptt *p_ptt;
        int rc = -EINVAL;

        if (qed_iov_wq_start(cdev))
                goto err;

        if (qed_slowpath_wq_start(cdev))
                goto err;

        if (IS_PF(cdev)) {
                rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
                                      &cdev->pdev->dev);
                if (rc) {
                        DP_NOTICE(cdev,
                                  "Failed to find fw file - /lib/firmware/%s\n",
                                  QED_FW_FILE_NAME);
                        goto err;
                }

                if (cdev->num_hwfns == 1) {
                        p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
                        if (p_ptt) {
                                QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt;
                        } else {
                                DP_NOTICE(cdev,
                                          "Failed to acquire PTT for aRFS\n");
                                rc = -EINVAL;
                                goto err;
                        }
                }
        }

        cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
        rc = qed_nic_setup(cdev);
        if (rc)
                goto err;

        if (IS_PF(cdev))
                rc = qed_slowpath_setup_int(cdev, params->int_mode);
        else
                rc = qed_slowpath_vf_setup_int(cdev);
        if (rc)
                goto err1;

        if (IS_PF(cdev)) {
                /* Allocate stream for unzipping */
                rc = qed_alloc_stream_mem(cdev);
                if (rc)
                        goto err2;

                /* First Dword used to differentiate between various sources */
                data = cdev->firmware->data + sizeof(u32);

                qed_dbg_pf_init(cdev);
        }

        /* Start the slowpath */
        memset(&hw_init_params, 0, sizeof(hw_init_params));
        memset(&tunn_info, 0, sizeof(tunn_info));
        tunn_info.vxlan.b_mode_enabled = true;
        tunn_info.l2_gre.b_mode_enabled = true;
        tunn_info.ip_gre.b_mode_enabled = true;
        tunn_info.l2_geneve.b_mode_enabled = true;
        tunn_info.ip_geneve.b_mode_enabled = true;
        tunn_info.vxlan.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
        tunn_info.l2_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
        tunn_info.ip_gre.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
        tunn_info.l2_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
        tunn_info.ip_geneve.tun_cls = QED_TUNN_CLSS_MAC_VLAN;
        hw_init_params.p_tunn = &tunn_info;
        hw_init_params.b_hw_start = true;
        hw_init_params.int_mode = cdev->int_params.out.int_mode;
        hw_init_params.allow_npar_tx_switch = true;
        hw_init_params.bin_fw_data = data;

        memset(&drv_load_params, 0, sizeof(drv_load_params));
        drv_load_params.is_crash_kernel = is_kdump_kernel();
        drv_load_params.mfw_timeout_val = QED_LOAD_REQ_LOCK_TO_DEFAULT;
        drv_load_params.avoid_eng_reset = false;
        drv_load_params.override_force_load = QED_OVERRIDE_FORCE_LOAD_NONE;
        hw_init_params.p_drv_load_params = &drv_load_params;

        rc = qed_hw_init(cdev, &hw_init_params);
        if (rc)
                goto err2;

        DP_INFO(cdev,
                "HW initialization and function start completed successfully\n");

        if (IS_PF(cdev)) {
                cdev->tunn_feature_mask = (BIT(QED_MODE_VXLAN_TUNN) |
                                           BIT(QED_MODE_L2GENEVE_TUNN) |
                                           BIT(QED_MODE_IPGENEVE_TUNN) |
                                           BIT(QED_MODE_L2GRE_TUNN) |
                                           BIT(QED_MODE_IPGRE_TUNN));
        }

        /* Allocate LL2 interface if needed */
        if (QED_LEADING_HWFN(cdev)->using_ll2) {
                rc = qed_ll2_alloc_if(cdev);
                if (rc)
                        goto err3;
        }
        if (IS_PF(cdev)) {
                hwfn = QED_LEADING_HWFN(cdev);
                drv_version.version = (params->drv_major << 24) |
                                      (params->drv_minor << 16) |
                                      (params->drv_rev << 8) |
                                      (params->drv_eng);
                strscpy(drv_version.name, params->name,
                        sizeof(drv_version.name));
                rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
                                              &drv_version);
                if (rc) {
                        DP_NOTICE(cdev, "Failed sending drv version command\n");
                        goto err4;
                }
        }

        qed_reset_vport_stats(cdev);

        return 0;

err4:
        qed_ll2_dealloc_if(cdev);
err3:
        qed_hw_stop(cdev);
err2:
        qed_hw_timers_stop_all(cdev);
        if (IS_PF(cdev))
                qed_slowpath_irq_free(cdev);
        qed_free_stream_mem(cdev);
        qed_disable_msix(cdev);
err1:
        qed_resc_free(cdev);
err:
        if (IS_PF(cdev))
                release_firmware(cdev->firmware);

        if (IS_PF(cdev) && (cdev->num_hwfns == 1) &&
            QED_LEADING_HWFN(cdev)->p_arfs_ptt)
                qed_ptt_release(QED_LEADING_HWFN(cdev),
                                QED_LEADING_HWFN(cdev)->p_arfs_ptt);

        qed_iov_wq_stop(cdev, false);

        qed_slowpath_wq_stop(cdev);

        return rc;
}

static int qed_slowpath_stop(struct qed_dev *cdev)
{
        if (!cdev)
                return -ENODEV;

        qed_slowpath_wq_stop(cdev);

        qed_ll2_dealloc_if(cdev);

        if (IS_PF(cdev)) {
                if (cdev->num_hwfns == 1)
                        qed_ptt_release(QED_LEADING_HWFN(cdev),
                                        QED_LEADING_HWFN(cdev)->p_arfs_ptt);
                qed_free_stream_mem(cdev);
                if (IS_QED_ETH_IF(cdev))
                        qed_sriov_disable(cdev, true);
        }

        qed_nic_stop(cdev);

        if (IS_PF(cdev))
                qed_slowpath_irq_free(cdev);

        qed_disable_msix(cdev);

        qed_resc_free(cdev);

        qed_iov_wq_stop(cdev, true);

        if (IS_PF(cdev))
                release_firmware(cdev->firmware);

        return 0;
}

static void qed_set_name(struct qed_dev *cdev, char name[NAME_SIZE])
{
        int i;

        memcpy(cdev->name, name, NAME_SIZE);
        for_each_hwfn(cdev, i)
                snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
}

static u32 qed_sb_init(struct qed_dev *cdev,
                       struct qed_sb_info *sb_info,
                       void *sb_virt_addr,
                       dma_addr_t sb_phy_addr, u16 sb_id,
                       enum qed_sb_type type)
{
        struct qed_hwfn *p_hwfn;
        struct qed_ptt *p_ptt;
        u16 rel_sb_id;
        u32 rc;

        /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
        if (type == QED_SB_TYPE_L2_QUEUE) {
                p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
                rel_sb_id = sb_id / cdev->num_hwfns;
        } else {
                p_hwfn = QED_AFFIN_HWFN(cdev);
                rel_sb_id = sb_id;
        }

        DP_VERBOSE(cdev, NETIF_MSG_INTR,
                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
                   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);

        if (IS_PF(p_hwfn->cdev)) {
                p_ptt = qed_ptt_acquire(p_hwfn);
                if (!p_ptt)
                        return -EBUSY;

                rc = qed_int_sb_init(p_hwfn, p_ptt, sb_info, sb_virt_addr,
                                     sb_phy_addr, rel_sb_id);
                qed_ptt_release(p_hwfn, p_ptt);
        } else {
                rc = qed_int_sb_init(p_hwfn, NULL, sb_info, sb_virt_addr,
                                     sb_phy_addr, rel_sb_id);
        }

        return rc;
}

static u32 qed_sb_release(struct qed_dev *cdev,
                          struct qed_sb_info *sb_info,
                          u16 sb_id,
                          enum qed_sb_type type)
{
        struct qed_hwfn *p_hwfn;
        u16 rel_sb_id;
        u32 rc;

        /* RoCE/Storage use a single engine in CMT mode while L2 uses both */
        if (type == QED_SB_TYPE_L2_QUEUE) {
                p_hwfn = &cdev->hwfns[sb_id % cdev->num_hwfns];
                rel_sb_id = sb_id / cdev->num_hwfns;
        } else {
                p_hwfn = QED_AFFIN_HWFN(cdev);
                rel_sb_id = sb_id;
        }

        DP_VERBOSE(cdev, NETIF_MSG_INTR,
                   "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
                   IS_LEAD_HWFN(p_hwfn) ? 0 : 1, rel_sb_id, sb_id);

        rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);

        return rc;
}

static bool qed_can_link_change(struct qed_dev *cdev)
{
        return true;
}

static void qed_set_ext_speed_params(struct qed_mcp_link_params *link_params,
                                     const struct qed_link_params *params)
{
        struct qed_mcp_link_speed_params *ext_speed = &link_params->ext_speed;
        const struct qed_mfw_speed_map *map;
        u32 i;

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
                ext_speed->autoneg = !!params->autoneg;

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
                ext_speed->advertised_speeds = 0;

                for (i = 0; i < ARRAY_SIZE(qed_mfw_ext_maps); i++) {
                        map = qed_mfw_ext_maps + i;

                        if (linkmode_intersects(params->adv_speeds, map->caps))
                                ext_speed->advertised_speeds |= map->mfw_val;
                }
        }

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED) {
                switch (params->forced_speed) {
                case SPEED_1000:
                        ext_speed->forced_speed = QED_EXT_SPEED_1G;
                        break;
                case SPEED_10000:
                        ext_speed->forced_speed = QED_EXT_SPEED_10G;
                        break;
                case SPEED_20000:
                        ext_speed->forced_speed = QED_EXT_SPEED_20G;
                        break;
                case SPEED_25000:
                        ext_speed->forced_speed = QED_EXT_SPEED_25G;
                        break;
                case SPEED_40000:
                        ext_speed->forced_speed = QED_EXT_SPEED_40G;
                        break;
                case SPEED_50000:
                        ext_speed->forced_speed = QED_EXT_SPEED_50G_R |
                                                  QED_EXT_SPEED_50G_R2;
                        break;
                case SPEED_100000:
                        ext_speed->forced_speed = QED_EXT_SPEED_100G_R2 |
                                                  QED_EXT_SPEED_100G_R4 |
                                                  QED_EXT_SPEED_100G_P4;
                        break;
                default:
                        break;
                }
        }

        if (!(params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG))
                return;

        switch (params->forced_speed) {
        case SPEED_25000:
                switch (params->fec) {
                case FEC_FORCE_MODE_NONE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_25G_NONE;
                        break;
                case FEC_FORCE_MODE_FIRECODE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_25G_BASE_R;
                        break;
                case FEC_FORCE_MODE_RS:
                        link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528;
                        break;
                case FEC_FORCE_MODE_AUTO:
                        link_params->ext_fec_mode = ETH_EXT_FEC_25G_RS528 |
                                                    ETH_EXT_FEC_25G_BASE_R |
                                                    ETH_EXT_FEC_25G_NONE;
                        break;
                default:
                        break;
                }

                break;
        case SPEED_40000:
                switch (params->fec) {
                case FEC_FORCE_MODE_NONE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_40G_NONE;
                        break;
                case FEC_FORCE_MODE_FIRECODE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R;
                        break;
                case FEC_FORCE_MODE_AUTO:
                        link_params->ext_fec_mode = ETH_EXT_FEC_40G_BASE_R |
                                                    ETH_EXT_FEC_40G_NONE;
                        break;
                default:
                        break;
                }

                break;
        case SPEED_50000:
                switch (params->fec) {
                case FEC_FORCE_MODE_NONE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_50G_NONE;
                        break;
                case FEC_FORCE_MODE_FIRECODE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_50G_BASE_R;
                        break;
                case FEC_FORCE_MODE_RS:
                        link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528;
                        break;
                case FEC_FORCE_MODE_AUTO:
                        link_params->ext_fec_mode = ETH_EXT_FEC_50G_RS528 |
                                                    ETH_EXT_FEC_50G_BASE_R |
                                                    ETH_EXT_FEC_50G_NONE;
                        break;
                default:
                        break;
                }

                break;
        case SPEED_100000:
                switch (params->fec) {
                case FEC_FORCE_MODE_NONE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_100G_NONE;
                        break;
                case FEC_FORCE_MODE_FIRECODE:
                        link_params->ext_fec_mode = ETH_EXT_FEC_100G_BASE_R;
                        break;
                case FEC_FORCE_MODE_RS:
                        link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528;
                        break;
                case FEC_FORCE_MODE_AUTO:
                        link_params->ext_fec_mode = ETH_EXT_FEC_100G_RS528 |
                                                    ETH_EXT_FEC_100G_BASE_R |
                                                    ETH_EXT_FEC_100G_NONE;
                        break;
                default:
                        break;
                }

                break;
        default:
                break;
        }
}

static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
{
        struct qed_mcp_link_params *link_params;
        struct qed_mcp_link_speed_params *speed;
        const struct qed_mfw_speed_map *map;
        struct qed_hwfn *hwfn;
        struct qed_ptt *ptt;
        int rc;
        u32 i;

        if (!cdev)
                return -ENODEV;

        /* The link should be set only once per PF */
        hwfn = &cdev->hwfns[0];

        /* When VF wants to set link, force it to read the bulletin instead.
         * This mimics the PF behavior, where a noitification [both immediate
         * and possible later] would be generated when changing properties.
         */
        if (IS_VF(cdev)) {
                qed_schedule_iov(hwfn, QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG);
                return 0;
        }

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EBUSY;

        link_params = qed_mcp_get_link_params(hwfn);
        if (!link_params)
                return -ENODATA;

        speed = &link_params->speed;

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
                speed->autoneg = !!params->autoneg;

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
                speed->advertised_speeds = 0;

                for (i = 0; i < ARRAY_SIZE(qed_mfw_legacy_maps); i++) {
                        map = qed_mfw_legacy_maps + i;

                        if (linkmode_intersects(params->adv_speeds, map->caps))
                                speed->advertised_speeds |= map->mfw_val;
                }
        }

        if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
                speed->forced_speed = params->forced_speed;

        if (qed_mcp_is_ext_speed_supported(hwfn))
                qed_set_ext_speed_params(link_params, params);

        if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
                if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
                        link_params->pause.autoneg = true;
                else
                        link_params->pause.autoneg = false;
                if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
                        link_params->pause.forced_rx = true;
                else
                        link_params->pause.forced_rx = false;
                if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
                        link_params->pause.forced_tx = true;
                else
                        link_params->pause.forced_tx = false;
        }

        if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
                switch (params->loopback_mode) {
                case QED_LINK_LOOPBACK_INT_PHY:
                        link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
                        break;
                case QED_LINK_LOOPBACK_EXT_PHY:
                        link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
                        break;
                case QED_LINK_LOOPBACK_EXT:
                        link_params->loopback_mode = ETH_LOOPBACK_EXT;
                        break;
                case QED_LINK_LOOPBACK_MAC:
                        link_params->loopback_mode = ETH_LOOPBACK_MAC;
                        break;
                case QED_LINK_LOOPBACK_CNIG_AH_ONLY_0123:
                        link_params->loopback_mode =
                                ETH_LOOPBACK_CNIG_AH_ONLY_0123;
                        break;
                case QED_LINK_LOOPBACK_CNIG_AH_ONLY_2301:
                        link_params->loopback_mode =
                                ETH_LOOPBACK_CNIG_AH_ONLY_2301;
                        break;
                case QED_LINK_LOOPBACK_PCS_AH_ONLY:
                        link_params->loopback_mode = ETH_LOOPBACK_PCS_AH_ONLY;
                        break;
                case QED_LINK_LOOPBACK_REVERSE_MAC_AH_ONLY:
                        link_params->loopback_mode =
                                ETH_LOOPBACK_REVERSE_MAC_AH_ONLY;
                        break;
                case QED_LINK_LOOPBACK_INT_PHY_FEA_AH_ONLY:
                        link_params->loopback_mode =
                                ETH_LOOPBACK_INT_PHY_FEA_AH_ONLY;
                        break;
                default:
                        link_params->loopback_mode = ETH_LOOPBACK_NONE;
                        break;
                }
        }

        if (params->override_flags & QED_LINK_OVERRIDE_EEE_CONFIG)
                memcpy(&link_params->eee, &params->eee,
                       sizeof(link_params->eee));

        if (params->override_flags & QED_LINK_OVERRIDE_FEC_CONFIG)
                link_params->fec = params->fec;

        rc = qed_mcp_set_link(hwfn, ptt, params->link_up);

        qed_ptt_release(hwfn, ptt);

        return rc;
}

static int qed_get_port_type(u32 media_type)
{
        int port_type;

        switch (media_type) {
        case MEDIA_SFPP_10G_FIBER:
        case MEDIA_SFP_1G_FIBER:
        case MEDIA_XFP_FIBER:
        case MEDIA_MODULE_FIBER:
                port_type = PORT_FIBRE;
                break;
        case MEDIA_DA_TWINAX:
                port_type = PORT_DA;
                break;
        case MEDIA_BASE_T:
                port_type = PORT_TP;
                break;
        case MEDIA_KR:
        case MEDIA_NOT_PRESENT:
                port_type = PORT_NONE;
                break;
        case MEDIA_UNSPECIFIED:
        default:
                port_type = PORT_OTHER;
                break;
        }
        return port_type;
}

static int qed_get_link_data(struct qed_hwfn *hwfn,
                             struct qed_mcp_link_params *params,
                             struct qed_mcp_link_state *link,
                             struct qed_mcp_link_capabilities *link_caps)
{
        void *p;

        if (!IS_PF(hwfn->cdev)) {
                qed_vf_get_link_params(hwfn, params);
                qed_vf_get_link_state(hwfn, link);
                qed_vf_get_link_caps(hwfn, link_caps);

                return 0;
        }

        p = qed_mcp_get_link_params(hwfn);
        if (!p)
                return -ENXIO;
        memcpy(params, p, sizeof(*params));

        p = qed_mcp_get_link_state(hwfn);
        if (!p)
                return -ENXIO;
        memcpy(link, p, sizeof(*link));

        p = qed_mcp_get_link_capabilities(hwfn);
        if (!p)
                return -ENXIO;
        memcpy(link_caps, p, sizeof(*link_caps));

        return 0;
}

static void qed_fill_link_capability(struct qed_hwfn *hwfn,
                                     struct qed_ptt *ptt, u32 capability,
                                     unsigned long *if_caps)
{
        u32 media_type, tcvr_state, tcvr_type;
        u32 speed_mask, board_cfg;

        if (qed_mcp_get_media_type(hwfn, ptt, &media_type))
                media_type = MEDIA_UNSPECIFIED;

        if (qed_mcp_get_transceiver_data(hwfn, ptt, &tcvr_state, &tcvr_type))
                tcvr_type = ETH_TRANSCEIVER_STATE_UNPLUGGED;

        if (qed_mcp_trans_speed_mask(hwfn, ptt, &speed_mask))
                speed_mask = 0xFFFFFFFF;

        if (qed_mcp_get_board_config(hwfn, ptt, &board_cfg))
                board_cfg = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;

        DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
                   "Media_type = 0x%x tcvr_state = 0x%x tcvr_type = 0x%x speed_mask = 0x%x board_cfg = 0x%x\n",
                   media_type, tcvr_state, tcvr_type, speed_mask, board_cfg);

        switch (media_type) {
        case MEDIA_DA_TWINAX:
                phylink_set(if_caps, FIBRE);

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
                        phylink_set(if_caps, 20000baseKR2_Full);

                /* For DAC media multiple speed capabilities are supported */
                capability |= speed_mask;

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
                        phylink_set(if_caps, 1000baseKX_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
                        phylink_set(if_caps, 10000baseCR_Full);

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_40G_CR4:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
                                phylink_set(if_caps, 40000baseCR4_Full);
                                break;
                        default:
                                break;
                        }

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
                        phylink_set(if_caps, 25000baseCR_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
                        phylink_set(if_caps, 50000baseCR2_Full);

                if (capability &
                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_100G_CR4:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
                                phylink_set(if_caps, 100000baseCR4_Full);
                                break;
                        default:
                                break;
                        }

                break;
        case MEDIA_BASE_T:
                phylink_set(if_caps, TP);

                if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_EXT_PHY) {
                        if (capability &
                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
                                phylink_set(if_caps, 1000baseT_Full);
                        if (capability &
                            NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
                                phylink_set(if_caps, 10000baseT_Full);
                }

                if (board_cfg & NVM_CFG1_PORT_PORT_TYPE_MODULE) {
                        phylink_set(if_caps, FIBRE);

                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_1000BASET:
                                phylink_set(if_caps, 1000baseT_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_10G_BASET:
                                phylink_set(if_caps, 10000baseT_Full);
                                break;
                        default:
                                break;
                        }
                }

                break;
        case MEDIA_SFP_1G_FIBER:
        case MEDIA_SFPP_10G_FIBER:
        case MEDIA_XFP_FIBER:
        case MEDIA_MODULE_FIBER:
                phylink_set(if_caps, FIBRE);
                capability |= speed_mask;

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_1G_LX:
                        case ETH_TRANSCEIVER_TYPE_1G_SX:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
                                phylink_set(if_caps, 1000baseKX_Full);
                                break;
                        default:
                                break;
                        }

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_10G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_SR:
                                phylink_set(if_caps, 10000baseSR_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_10G_LR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_LR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_1G_10G_LR:
                                phylink_set(if_caps, 10000baseLR_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_10G_LRM:
                                phylink_set(if_caps, 10000baseLRM_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_10G_ER:
                                phylink_set(if_caps, 10000baseR_FEC);
                                break;
                        default:
                                break;
                        }

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
                        phylink_set(if_caps, 20000baseKR2_Full);

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_25G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_25G_SR:
                                phylink_set(if_caps, 25000baseSR_Full);
                                break;
                        default:
                                break;
                        }

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_40G_LR4:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
                                phylink_set(if_caps, 40000baseLR4_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_40G_SR4:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
                                phylink_set(if_caps, 40000baseSR4_Full);
                                break;
                        default:
                                break;
                        }

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
                        phylink_set(if_caps, 50000baseKR2_Full);

                if (capability &
                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
                        switch (tcvr_type) {
                        case ETH_TRANSCEIVER_TYPE_100G_SR4:
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
                                phylink_set(if_caps, 100000baseSR4_Full);
                                break;
                        case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
                                phylink_set(if_caps, 100000baseLR4_ER4_Full);
                                break;
                        default:
                                break;
                        }

                break;
        case MEDIA_KR:
                phylink_set(if_caps, Backplane);

                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
                        phylink_set(if_caps, 20000baseKR2_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
                        phylink_set(if_caps, 1000baseKX_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
                        phylink_set(if_caps, 10000baseKR_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
                        phylink_set(if_caps, 25000baseKR_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
                        phylink_set(if_caps, 40000baseKR4_Full);
                if (capability & NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
                        phylink_set(if_caps, 50000baseKR2_Full);
                if (capability &
                    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
                        phylink_set(if_caps, 100000baseKR4_Full);

                break;
        case MEDIA_UNSPECIFIED:
        case MEDIA_NOT_PRESENT:
        default:
                DP_VERBOSE(hwfn->cdev, QED_MSG_DEBUG,
                           "Unknown media and transceiver type;\n");
                break;
        }
}

static void qed_lp_caps_to_speed_mask(u32 caps, u32 *speed_mask)
{
        *speed_mask = 0;

        if (caps &
            (QED_LINK_PARTNER_SPEED_1G_FD | QED_LINK_PARTNER_SPEED_1G_HD))
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
        if (caps & QED_LINK_PARTNER_SPEED_10G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
        if (caps & QED_LINK_PARTNER_SPEED_20G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
        if (caps & QED_LINK_PARTNER_SPEED_25G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
        if (caps & QED_LINK_PARTNER_SPEED_40G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
        if (caps & QED_LINK_PARTNER_SPEED_50G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
        if (caps & QED_LINK_PARTNER_SPEED_100G)
                *speed_mask |= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
}

static void qed_fill_link(struct qed_hwfn *hwfn,
                          struct qed_ptt *ptt,
                          struct qed_link_output *if_link)
{
        struct qed_mcp_link_capabilities link_caps;
        struct qed_mcp_link_params params;
        struct qed_mcp_link_state link;
        u32 media_type, speed_mask;

        memset(if_link, 0, sizeof(*if_link));

        /* Prepare source inputs */
        if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
                dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
                return;
        }

        /* Set the link parameters to pass to protocol driver */
        if (link.link_up)
                if_link->link_up = true;

        if (IS_PF(hwfn->cdev) && qed_mcp_is_ext_speed_supported(hwfn)) {
                if (link_caps.default_ext_autoneg)
                        phylink_set(if_link->supported_caps, Autoneg);

                linkmode_copy(if_link->advertised_caps, if_link->supported_caps);

                if (params.ext_speed.autoneg)
                        phylink_set(if_link->advertised_caps, Autoneg);
                else
                        phylink_clear(if_link->advertised_caps, Autoneg);

                qed_fill_link_capability(hwfn, ptt,
                                         params.ext_speed.advertised_speeds,
                                         if_link->advertised_caps);
        } else {
                if (link_caps.default_speed_autoneg)
                        phylink_set(if_link->supported_caps, Autoneg);

                linkmode_copy(if_link->advertised_caps, if_link->supported_caps);

                if (params.speed.autoneg)
                        phylink_set(if_link->advertised_caps, Autoneg);
                else
                        phylink_clear(if_link->advertised_caps, Autoneg);
        }

        if (params.pause.autoneg ||
            (params.pause.forced_rx && params.pause.forced_tx))
                phylink_set(if_link->supported_caps, Asym_Pause);
        if (params.pause.autoneg || params.pause.forced_rx ||
            params.pause.forced_tx)
                phylink_set(if_link->supported_caps, Pause);

        if_link->sup_fec = link_caps.fec_default;
        if_link->active_fec = params.fec;

        /* Fill link advertised capability */
        qed_fill_link_capability(hwfn, ptt, params.speed.advertised_speeds,
                                 if_link->advertised_caps);

        /* Fill link supported capability */
        qed_fill_link_capability(hwfn, ptt, link_caps.speed_capabilities,
                                 if_link->supported_caps);

        /* Fill partner advertised capability */
        qed_lp_caps_to_speed_mask(link.partner_adv_speed, &speed_mask);
        qed_fill_link_capability(hwfn, ptt, speed_mask, if_link->lp_caps);

        if (link.link_up)
                if_link->speed = link.speed;

        /* TODO - fill duplex properly */
        if_link->duplex = DUPLEX_FULL;
        qed_mcp_get_media_type(hwfn, ptt, &media_type);
        if_link->port = qed_get_port_type(media_type);

        if_link->autoneg = params.speed.autoneg;

        if (params.pause.autoneg)
                if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
        if (params.pause.forced_rx)
                if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
        if (params.pause.forced_tx)
                if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;

        if (link.an_complete)
                phylink_set(if_link->lp_caps, Autoneg);
        if (link.partner_adv_pause)
                phylink_set(if_link->lp_caps, Pause);
        if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
            link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
                phylink_set(if_link->lp_caps, Asym_Pause);

        if (link_caps.default_eee == QED_MCP_EEE_UNSUPPORTED) {
                if_link->eee_supported = false;
        } else {
                if_link->eee_supported = true;
                if_link->eee_active = link.eee_active;
                if_link->sup_caps = link_caps.eee_speed_caps;
                /* MFW clears adv_caps on eee disable; use configured value */
                if_link->eee.adv_caps = link.eee_adv_caps ? link.eee_adv_caps :
                                        params.eee.adv_caps;
                if_link->eee.lp_adv_caps = link.eee_lp_adv_caps;
                if_link->eee.enable = params.eee.enable;
                if_link->eee.tx_lpi_enable = params.eee.tx_lpi_enable;
                if_link->eee.tx_lpi_timer = params.eee.tx_lpi_timer;
        }
}

static void qed_get_current_link(struct qed_dev *cdev,
                                 struct qed_link_output *if_link)
{
        struct qed_hwfn *hwfn;
        struct qed_ptt *ptt;
        int i;

        hwfn = &cdev->hwfns[0];
        if (IS_PF(cdev)) {
                ptt = qed_ptt_acquire(hwfn);
                if (ptt) {
                        qed_fill_link(hwfn, ptt, if_link);
                        qed_ptt_release(hwfn, ptt);
                } else {
                        DP_NOTICE(hwfn, "Failed to fill link; No PTT\n");
                }
        } else {
                qed_fill_link(hwfn, NULL, if_link);
        }

        for_each_hwfn(cdev, i)
                qed_inform_vf_link_state(&cdev->hwfns[i]);
}

void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
{
        void *cookie = hwfn->cdev->ops_cookie;
        struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
        struct qed_link_output if_link;

        qed_fill_link(hwfn, ptt, &if_link);
        qed_inform_vf_link_state(hwfn);

        if (IS_LEAD_HWFN(hwfn) && cookie)
                op->link_update(cookie, &if_link);
}

void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt)
{
        void *cookie = hwfn->cdev->ops_cookie;
        struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;

        if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update)
                op->bw_update(cookie);
}

static int qed_drain(struct qed_dev *cdev)
{
        struct qed_hwfn *hwfn;
        struct qed_ptt *ptt;
        int i, rc;

        if (IS_VF(cdev))
                return 0;

        for_each_hwfn(cdev, i) {
                hwfn = &cdev->hwfns[i];
                ptt = qed_ptt_acquire(hwfn);
                if (!ptt) {
                        DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
                        return -EBUSY;
                }
                rc = qed_mcp_drain(hwfn, ptt);
                qed_ptt_release(hwfn, ptt);
                if (rc)
                        return rc;
        }

        return 0;
}

static u32 qed_nvm_flash_image_access_crc(struct qed_dev *cdev,
                                          struct qed_nvm_image_att *nvm_image,
                                          u32 *crc)
{
        u8 *buf = NULL;
        int rc;

        /* Allocate a buffer for holding the nvram image */
        buf = kzalloc(nvm_image->length, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;

        /* Read image into buffer */
        rc = qed_mcp_nvm_read(cdev, nvm_image->start_addr,
                              buf, nvm_image->length);
        if (rc) {
                DP_ERR(cdev, "Failed reading image from nvm\n");
                goto out;
        }

        /* Convert the buffer into big-endian format (excluding the
         * closing 4 bytes of CRC).
         */
        cpu_to_be32_array((__force __be32 *)buf, (const u32 *)buf,
                          DIV_ROUND_UP(nvm_image->length - 4, 4));

        /* Calc CRC for the "actual" image buffer, i.e. not including
         * the last 4 CRC bytes.
         */
        *crc = ~crc32(~0U, buf, nvm_image->length - 4);
        *crc = (__force u32)cpu_to_be32p(crc);

out:
        kfree(buf);

        return rc;
}

/* Binary file format -
 *     /----------------------------------------------------------------------\
 * 0B  |                       0x4 [command index]                            |
 * 4B  | image_type     | Options        |  Number of register settings       |
 * 8B  |                       Value                                          |
 * 12B |                       Mask                                           |
 * 16B |                       Offset                                         |
 *     \----------------------------------------------------------------------/
 * There can be several Value-Mask-Offset sets as specified by 'Number of...'.
 * Options - 0'b - Calculate & Update CRC for image
 */
static int qed_nvm_flash_image_access(struct qed_dev *cdev, const u8 **data,
                                      bool *check_resp)
{
        struct qed_nvm_image_att nvm_image;
        struct qed_hwfn *p_hwfn;
        bool is_crc = false;
        u32 image_type;
        int rc = 0, i;
        u16 len;

        *data += 4;
        image_type = **data;
        p_hwfn = QED_LEADING_HWFN(cdev);
        for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
                if (image_type == p_hwfn->nvm_info.image_att[i].image_type)
                        break;
        if (i == p_hwfn->nvm_info.num_images) {
                DP_ERR(cdev, "Failed to find nvram image of type %08x\n",
                       image_type);
                return -ENOENT;
        }

        nvm_image.start_addr = p_hwfn->nvm_info.image_att[i].nvm_start_addr;
        nvm_image.length = p_hwfn->nvm_info.image_att[i].len;

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "Read image %02x; type = %08x; NVM [%08x,...,%08x]\n",
                   **data, image_type, nvm_image.start_addr,
                   nvm_image.start_addr + nvm_image.length - 1);
        (*data)++;
        is_crc = !!(**data & BIT(0));
        (*data)++;
        len = *((u16 *)*data);
        *data += 2;
        if (is_crc) {
                u32 crc = 0;

                rc = qed_nvm_flash_image_access_crc(cdev, &nvm_image, &crc);
                if (rc) {
                        DP_ERR(cdev, "Failed calculating CRC, rc = %d\n", rc);
                        goto exit;
                }

                rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
                                       (nvm_image.start_addr +
                                        nvm_image.length - 4), (u8 *)&crc, 4);
                if (rc)
                        DP_ERR(cdev, "Failed writing to %08x, rc = %d\n",
                               nvm_image.start_addr + nvm_image.length - 4, rc);
                goto exit;
        }

        /* Iterate over the values for setting */
        while (len) {
                u32 offset, mask, value, cur_value;
                u8 buf[4];

                value = *((u32 *)*data);
                *data += 4;
                mask = *((u32 *)*data);
                *data += 4;
                offset = *((u32 *)*data);
                *data += 4;

                rc = qed_mcp_nvm_read(cdev, nvm_image.start_addr + offset, buf,
                                      4);
                if (rc) {
                        DP_ERR(cdev, "Failed reading from %08x\n",
                               nvm_image.start_addr + offset);
                        goto exit;
                }

                cur_value = le32_to_cpu(*((__le32 *)buf));
                DP_VERBOSE(cdev, NETIF_MSG_DRV,
                           "NVM %08x: %08x -> %08x [Value %08x Mask %08x]\n",
                           nvm_image.start_addr + offset, cur_value,
                           (cur_value & ~mask) | (value & mask), value, mask);
                value = (value & mask) | (cur_value & ~mask);
                rc = qed_mcp_nvm_write(cdev, QED_NVM_WRITE_NVRAM,
                                       nvm_image.start_addr + offset,
                                       (u8 *)&value, 4);
                if (rc) {
                        DP_ERR(cdev, "Failed writing to %08x\n",
                               nvm_image.start_addr + offset);
                        goto exit;
                }

                len--;
        }
exit:
        return rc;
}

/* Binary file format -
 *     /----------------------------------------------------------------------\
 * 0B  |                       0x3 [command index]                            |
 * 4B  | b'0: check_response?   | b'1-31  reserved                            |
 * 8B  | File-type |                   reserved                               |
 * 12B |                    Image length in bytes                             |
 *     \----------------------------------------------------------------------/
 *     Start a new file of the provided type
 */
static int qed_nvm_flash_image_file_start(struct qed_dev *cdev,
                                          const u8 **data, bool *check_resp)
{
        u32 file_type, file_size = 0;
        int rc;

        *data += 4;
        *check_resp = !!(**data & BIT(0));
        *data += 4;
        file_type = **data;

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "About to start a new file of type %02x\n", file_type);
        if (file_type == DRV_MB_PARAM_NVM_PUT_FILE_BEGIN_MBI) {
                *data += 4;
                file_size = *((u32 *)(*data));
        }

        rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_BEGIN, file_type,
                               (u8 *)(&file_size), 4);
        *data += 4;

        return rc;
}

/* Binary file format -
 *     /----------------------------------------------------------------------\
 * 0B  |                       0x2 [command index]                            |
 * 4B  |                       Length in bytes                                |
 * 8B  | b'0: check_response?   | b'1-31  reserved                            |
 * 12B |                       Offset in bytes                                |
 * 16B |                       Data ...                                       |
 *     \----------------------------------------------------------------------/
 *     Write data as part of a file that was previously started. Data should be
 *     of length equal to that provided in the message
 */
static int qed_nvm_flash_image_file_data(struct qed_dev *cdev,
                                         const u8 **data, bool *check_resp)
{
        u32 offset, len;
        int rc;

        *data += 4;
        len = *((u32 *)(*data));
        *data += 4;
        *check_resp = !!(**data & BIT(0));
        *data += 4;
        offset = *((u32 *)(*data));
        *data += 4;

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "About to write File-data: %08x bytes to offset %08x\n",
                   len, offset);

        rc = qed_mcp_nvm_write(cdev, QED_PUT_FILE_DATA, offset,
                               (char *)(*data), len);
        *data += len;

        return rc;
}

/* Binary file format [General header] -
 *     /----------------------------------------------------------------------\
 * 0B  |                       QED_NVM_SIGNATURE                              |
 * 4B  |                       Length in bytes                                |
 * 8B  | Highest command in this batchfile |          Reserved                |
 *     \----------------------------------------------------------------------/
 */
static int qed_nvm_flash_image_validate(struct qed_dev *cdev,
                                        const struct firmware *image,
                                        const u8 **data)
{
        u32 signature, len;

        /* Check minimum size */
        if (image->size < 12) {
                DP_ERR(cdev, "Image is too short [%08x]\n", (u32)image->size);
                return -EINVAL;
        }

        /* Check signature */
        signature = *((u32 *)(*data));
        if (signature != QED_NVM_SIGNATURE) {
                DP_ERR(cdev, "Wrong signature '%08x'\n", signature);
                return -EINVAL;
        }

        *data += 4;
        /* Validate internal size equals the image-size */
        len = *((u32 *)(*data));
        if (len != image->size) {
                DP_ERR(cdev, "Size mismatch: internal = %08x image = %08x\n",
                       len, (u32)image->size);
                return -EINVAL;
        }

        *data += 4;
        /* Make sure driver familiar with all commands necessary for this */
        if (*((u16 *)(*data)) >= QED_NVM_FLASH_CMD_NVM_MAX) {
                DP_ERR(cdev, "File contains unsupported commands [Need %04x]\n",
                       *((u16 *)(*data)));
                return -EINVAL;
        }

        *data += 4;

        return 0;
}

/* Binary file format -
 *     /----------------------------------------------------------------------\
 * 0B  |                       0x5 [command index]                            |
 * 4B  | Number of config attributes     |          Reserved                  |
 * 4B  | Config ID                       | Entity ID      | Length            |
 * 4B  | Value                                                                |
 *     |                                                                      |
 *     \----------------------------------------------------------------------/
 * There can be several cfg_id-entity_id-Length-Value sets as specified by
 * 'Number of config attributes'.
 *
 * The API parses config attributes from the user provided buffer and flashes
 * them to the respective NVM path using Management FW inerface.
 */
static int qed_nvm_flash_cfg_write(struct qed_dev *cdev, const u8 **data)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        u8 entity_id, len, buf[32];
        bool need_nvm_init = true;
        struct qed_ptt *ptt;
        u16 cfg_id, count;
        int rc = 0, i;
        u32 flags;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        /* NVM CFG ID attribute header */
        *data += 4;
        count = *((u16 *)*data);
        *data += 4;

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "Read config ids: num_attrs = %0d\n", count);
        /* NVM CFG ID attributes. Start loop index from 1 to avoid additional
         * arithmetic operations in the implementation.
         */
        for (i = 1; i <= count; i++) {
                cfg_id = *((u16 *)*data);
                *data += 2;
                entity_id = **data;
                (*data)++;
                len = **data;
                (*data)++;
                memcpy(buf, *data, len);
                *data += len;

                flags = 0;
                if (need_nvm_init) {
                        flags |= QED_NVM_CFG_OPTION_INIT;
                        need_nvm_init = false;
                }

                /* Commit to flash and free the resources */
                if (!(i % QED_NVM_CFG_MAX_ATTRS) || i == count) {
                        flags |= QED_NVM_CFG_OPTION_COMMIT |
                                 QED_NVM_CFG_OPTION_FREE;
                        need_nvm_init = true;
                }

                if (entity_id)
                        flags |= QED_NVM_CFG_OPTION_ENTITY_SEL;

                DP_VERBOSE(cdev, NETIF_MSG_DRV,
                           "cfg_id = %d entity = %d len = %d\n", cfg_id,
                           entity_id, len);
                rc = qed_mcp_nvm_set_cfg(hwfn, ptt, cfg_id, entity_id, flags,
                                         buf, len);
                if (rc) {
                        DP_ERR(cdev, "Error %d configuring %d\n", rc, cfg_id);
                        break;
                }
        }

        qed_ptt_release(hwfn, ptt);

        return rc;
}

#define QED_MAX_NVM_BUF_LEN     32
static int qed_nvm_flash_cfg_len(struct qed_dev *cdev, u32 cmd)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        u8 buf[QED_MAX_NVM_BUF_LEN];
        struct qed_ptt *ptt;
        u32 len;
        int rc;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return QED_MAX_NVM_BUF_LEN;

        rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, 0, QED_NVM_CFG_GET_FLAGS, buf,
                                 &len);
        if (rc || !len) {
                DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);
                len = QED_MAX_NVM_BUF_LEN;
        }

        qed_ptt_release(hwfn, ptt);

        return len;
}

static int qed_nvm_flash_cfg_read(struct qed_dev *cdev, u8 **data,
                                  u32 cmd, u32 entity_id)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        u32 flags, len;
        int rc = 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "Read config cmd = %d entity id %d\n", cmd, entity_id);
        flags = entity_id ? QED_NVM_CFG_GET_PF_FLAGS : QED_NVM_CFG_GET_FLAGS;
        rc = qed_mcp_nvm_get_cfg(hwfn, ptt, cmd, entity_id, flags, *data, &len);
        if (rc)
                DP_ERR(cdev, "Error %d reading %d\n", rc, cmd);

        qed_ptt_release(hwfn, ptt);

        return rc;
}

static int qed_nvm_flash(struct qed_dev *cdev, const char *name)
{
        const struct firmware *image;
        const u8 *data, *data_end;
        u32 cmd_type;
        int rc;

        rc = request_firmware(&image, name, &cdev->pdev->dev);
        if (rc) {
                DP_ERR(cdev, "Failed to find '%s'\n", name);
                return rc;
        }

        DP_VERBOSE(cdev, NETIF_MSG_DRV,
                   "Flashing '%s' - firmware's data at %p, size is %08x\n",
                   name, image->data, (u32)image->size);
        data = image->data;
        data_end = data + image->size;

        rc = qed_nvm_flash_image_validate(cdev, image, &data);
        if (rc)
                goto exit;

        while (data < data_end) {
                bool check_resp = false;

                /* Parse the actual command */
                cmd_type = *((u32 *)data);
                switch (cmd_type) {
                case QED_NVM_FLASH_CMD_FILE_DATA:
                        rc = qed_nvm_flash_image_file_data(cdev, &data,
                                                           &check_resp);
                        break;
                case QED_NVM_FLASH_CMD_FILE_START:
                        rc = qed_nvm_flash_image_file_start(cdev, &data,
                                                            &check_resp);
                        break;
                case QED_NVM_FLASH_CMD_NVM_CHANGE:
                        rc = qed_nvm_flash_image_access(cdev, &data,
                                                        &check_resp);
                        break;
                case QED_NVM_FLASH_CMD_NVM_CFG_ID:
                        rc = qed_nvm_flash_cfg_write(cdev, &data);
                        break;
                default:
                        DP_ERR(cdev, "Unknown command %08x\n", cmd_type);
                        rc = -EINVAL;
                        goto exit;
                }

                if (rc) {
                        DP_ERR(cdev, "Command %08x failed\n", cmd_type);
                        goto exit;
                }

                /* Check response if needed */
                if (check_resp) {
                        u32 mcp_response = 0;

                        if (qed_mcp_nvm_resp(cdev, (u8 *)&mcp_response)) {
                                DP_ERR(cdev, "Failed getting MCP response\n");
                                rc = -EINVAL;
                                goto exit;
                        }

                        switch (mcp_response & FW_MSG_CODE_MASK) {
                        case FW_MSG_CODE_OK:
                        case FW_MSG_CODE_NVM_OK:
                        case FW_MSG_CODE_NVM_PUT_FILE_FINISH_OK:
                        case FW_MSG_CODE_PHY_OK:
                                break;
                        default:
                                DP_ERR(cdev, "MFW returns error: %08x\n",
                                       mcp_response);
                                rc = -EINVAL;
                                goto exit;
                        }
                }
        }

exit:
        release_firmware(image);

        return rc;
}

static int qed_nvm_get_image(struct qed_dev *cdev, enum qed_nvm_images type,
                             u8 *buf, u16 len)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);

        return qed_mcp_get_nvm_image(hwfn, type, buf, len);
}

void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
{
        struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
        void *cookie = p_hwfn->cdev->ops_cookie;

        if (ops && ops->schedule_recovery_handler)
                ops->schedule_recovery_handler(cookie);
}

static const char * const qed_hw_err_type_descr[] = {
        [QED_HW_ERR_FAN_FAIL]           = "Fan Failure",
        [QED_HW_ERR_MFW_RESP_FAIL]      = "MFW Response Failure",
        [QED_HW_ERR_HW_ATTN]            = "HW Attention",
        [QED_HW_ERR_DMAE_FAIL]          = "DMAE Failure",
        [QED_HW_ERR_RAMROD_FAIL]        = "Ramrod Failure",
        [QED_HW_ERR_FW_ASSERT]          = "FW Assertion",
        [QED_HW_ERR_LAST]               = "Unknown",
};

void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
                           enum qed_hw_err_type err_type)
{
        struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
        void *cookie = p_hwfn->cdev->ops_cookie;
        const char *err_str;

        if (err_type > QED_HW_ERR_LAST)
                err_type = QED_HW_ERR_LAST;
        err_str = qed_hw_err_type_descr[err_type];

        DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);

        /* Call the HW error handler of the protocol driver.
         * If it is not available - perform a minimal handling of preventing
         * HW attentions from being reasserted.
         */
        if (ops && ops->schedule_hw_err_handler)
                ops->schedule_hw_err_handler(cookie, err_type);
        else
                qed_int_attn_clr_enable(p_hwfn->cdev, true);
}

static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
                            void *handle)
{
                return qed_set_queue_coalesce(rx_coal, tx_coal, handle);
}

static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int status = 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        status = qed_mcp_set_led(hwfn, ptt, mode);

        qed_ptt_release(hwfn, ptt);

        return status;
}

int qed_recovery_process(struct qed_dev *cdev)
{
        struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *p_ptt;
        int rc = 0;

        p_ptt = qed_ptt_acquire(p_hwfn);
        if (!p_ptt)
                return -EAGAIN;

        rc = qed_start_recovery_process(p_hwfn, p_ptt);

        qed_ptt_release(p_hwfn, p_ptt);

        return rc;
}

static int qed_update_wol(struct qed_dev *cdev, bool enabled)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int rc = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        rc = qed_mcp_ov_update_wol(hwfn, ptt, enabled ? QED_OV_WOL_ENABLED
                                   : QED_OV_WOL_DISABLED);
        if (rc)
                goto out;
        rc = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);

out:
        qed_ptt_release(hwfn, ptt);
        return rc;
}

static int qed_update_drv_state(struct qed_dev *cdev, bool active)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int status = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        status = qed_mcp_ov_update_driver_state(hwfn, ptt, active ?
                                                QED_OV_DRIVER_STATE_ACTIVE :
                                                QED_OV_DRIVER_STATE_DISABLED);

        qed_ptt_release(hwfn, ptt);

        return status;
}

static int qed_update_mac(struct qed_dev *cdev, const u8 *mac)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int status = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        status = qed_mcp_ov_update_mac(hwfn, ptt, mac);
        if (status)
                goto out;

        status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);

out:
        qed_ptt_release(hwfn, ptt);
        return status;
}

static int qed_update_mtu(struct qed_dev *cdev, u16 mtu)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int status = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        status = qed_mcp_ov_update_mtu(hwfn, ptt, mtu);
        if (status)
                goto out;

        status = qed_mcp_ov_update_current_config(hwfn, ptt, QED_OV_CLIENT_DRV);

out:
        qed_ptt_release(hwfn, ptt);
        return status;
}

static int
qed_get_sb_info(struct qed_dev *cdev, struct qed_sb_info *sb,
                u16 qid, struct qed_sb_info_dbg *sb_dbg)
{
        struct qed_hwfn *hwfn = &cdev->hwfns[qid % cdev->num_hwfns];
        struct qed_ptt *ptt;
        int rc;

        if (IS_VF(cdev))
                return -EINVAL;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt) {
                DP_NOTICE(hwfn, "Can't acquire PTT\n");
                return -EAGAIN;
        }

        memset(sb_dbg, 0, sizeof(*sb_dbg));
        rc = qed_int_get_sb_dbg(hwfn, ptt, sb, sb_dbg);

        qed_ptt_release(hwfn, ptt);
        return rc;
}

static int qed_read_module_eeprom(struct qed_dev *cdev, char *buf,
                                  u8 dev_addr, u32 offset, u32 len)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int rc = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        rc = qed_mcp_phy_sfp_read(hwfn, ptt, MFW_PORT(hwfn), dev_addr,
                                  offset, len, buf);

        qed_ptt_release(hwfn, ptt);

        return rc;
}

static int qed_set_grc_config(struct qed_dev *cdev, u32 cfg_id, u32 val)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int rc = 0;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        rc = qed_dbg_grc_config(hwfn, cfg_id, val);

        qed_ptt_release(hwfn, ptt);

        return rc;
}

static __printf(2, 3) void qed_mfw_report(struct qed_dev *cdev, char *fmt, ...)
{
        char buf[QED_MFW_REPORT_STR_SIZE];
        struct qed_hwfn *p_hwfn;
        struct qed_ptt *p_ptt;
        va_list vl;

        va_start(vl, fmt);
        vsnprintf(buf, QED_MFW_REPORT_STR_SIZE, fmt, vl);
        va_end(vl);

        if (IS_PF(cdev)) {
                p_hwfn = QED_LEADING_HWFN(cdev);
                p_ptt = qed_ptt_acquire(p_hwfn);
                if (p_ptt) {
                        qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, strlen(buf));
                        qed_ptt_release(p_hwfn, p_ptt);
                }
        }
}

static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
{
        return QED_AFFIN_HWFN_IDX(cdev);
}

static int qed_get_esl_status(struct qed_dev *cdev, bool *esl_active)
{
        struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
        struct qed_ptt *ptt;
        int rc = 0;

        *esl_active = false;

        if (IS_VF(cdev))
                return 0;

        ptt = qed_ptt_acquire(hwfn);
        if (!ptt)
                return -EAGAIN;

        rc = qed_mcp_get_esl_status(hwfn, ptt, esl_active);

        qed_ptt_release(hwfn, ptt);

        return rc;
}

static struct qed_selftest_ops qed_selftest_ops_pass = {
        .selftest_memory = &qed_selftest_memory,
        .selftest_interrupt = &qed_selftest_interrupt,
        .selftest_register = &qed_selftest_register,
        .selftest_clock = &qed_selftest_clock,
        .selftest_nvram = &qed_selftest_nvram,
};

const struct qed_common_ops qed_common_ops_pass = {
        .selftest = &qed_selftest_ops_pass,
        .probe = &qed_probe,
        .remove = &qed_remove,
        .set_power_state = &qed_set_power_state,
        .set_name = &qed_set_name,
        .update_pf_params = &qed_update_pf_params,
        .slowpath_start = &qed_slowpath_start,
        .slowpath_stop = &qed_slowpath_stop,
        .set_fp_int = &qed_set_int_fp,
        .get_fp_int = &qed_get_int_fp,
        .sb_init = &qed_sb_init,
        .sb_release = &qed_sb_release,
        .simd_handler_config = &qed_simd_handler_config,
        .simd_handler_clean = &qed_simd_handler_clean,
        .dbg_grc = &qed_dbg_grc,
        .dbg_grc_size = &qed_dbg_grc_size,
        .can_link_change = &qed_can_link_change,
        .set_link = &qed_set_link,
        .get_link = &qed_get_current_link,
        .drain = &qed_drain,
        .update_msglvl = &qed_init_dp,
        .devlink_register = qed_devlink_register,
        .devlink_unregister = qed_devlink_unregister,
        .report_fatal_error = qed_report_fatal_error,
        .dbg_all_data = &qed_dbg_all_data,
        .dbg_all_data_size = &qed_dbg_all_data_size,
        .chain_alloc = &qed_chain_alloc,
        .chain_free = &qed_chain_free,
        .nvm_flash = &qed_nvm_flash,
        .nvm_get_image = &qed_nvm_get_image,
        .set_coalesce = &qed_set_coalesce,
        .set_led = &qed_set_led,
        .recovery_process = &qed_recovery_process,
        .recovery_prolog = &qed_recovery_prolog,
        .attn_clr_enable = &qed_int_attn_clr_enable,
        .update_drv_state = &qed_update_drv_state,
        .update_mac = &qed_update_mac,
        .update_mtu = &qed_update_mtu,
        .update_wol = &qed_update_wol,
        .db_recovery_add = &qed_db_recovery_add,
        .db_recovery_del = &qed_db_recovery_del,
        .read_module_eeprom = &qed_read_module_eeprom,
        .get_affin_hwfn_idx = &qed_get_affin_hwfn_idx,
        .read_nvm_cfg = &qed_nvm_flash_cfg_read,
        .read_nvm_cfg_len = &qed_nvm_flash_cfg_len,
        .set_grc_config = &qed_set_grc_config,
        .mfw_report = &qed_mfw_report,
        .get_sb_info = &qed_get_sb_info,
        .get_esl_status = &qed_get_esl_status,
};

void qed_get_protocol_stats(struct qed_dev *cdev,
                            enum qed_mcp_protocol_type type,
                            union qed_mcp_protocol_stats *stats)
{
        struct qed_eth_stats eth_stats;

        memset(stats, 0, sizeof(*stats));

        switch (type) {
        case QED_MCP_LAN_STATS:
                qed_get_vport_stats_context(cdev, &eth_stats, true);
                stats->lan_stats.ucast_rx_pkts =
                                        eth_stats.common.rx_ucast_pkts;
                stats->lan_stats.ucast_tx_pkts =
                                        eth_stats.common.tx_ucast_pkts;
                stats->lan_stats.fcs_err = -1;
                break;
        case QED_MCP_FCOE_STATS:
                qed_get_protocol_stats_fcoe(cdev, &stats->fcoe_stats, true);
                break;
        case QED_MCP_ISCSI_STATS:
                qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats, true);
                break;
        default:
                DP_VERBOSE(cdev, QED_MSG_SP,
                           "Invalid protocol type = %d\n", type);
                return;
        }
}

int qed_mfw_tlv_req(struct qed_hwfn *hwfn)
{
        DP_VERBOSE(hwfn->cdev, NETIF_MSG_DRV,
                   "Scheduling slowpath task [Flag: %d]\n",
                   QED_SLOWPATH_MFW_TLV_REQ);
        /* Memory barrier for setting atomic bit */
        smp_mb__before_atomic();
        set_bit(QED_SLOWPATH_MFW_TLV_REQ, &hwfn->slowpath_task_flags);
        /* Memory barrier after setting atomic bit */
        smp_mb__after_atomic();
        queue_delayed_work(hwfn->slowpath_wq, &hwfn->slowpath_task, 0);

        return 0;
}

static void
qed_fill_generic_tlv_data(struct qed_dev *cdev, struct qed_mfw_tlv_generic *tlv)
{
        struct qed_common_cb_ops *op = cdev->protocol_ops.common;
        struct qed_eth_stats_common *p_common;
        struct qed_generic_tlvs gen_tlvs;
        struct qed_eth_stats stats;
        int i;

        memset(&gen_tlvs, 0, sizeof(gen_tlvs));
        op->get_generic_tlv_data(cdev->ops_cookie, &gen_tlvs);

        if (gen_tlvs.feat_flags & QED_TLV_IP_CSUM)
                tlv->flags.ipv4_csum_offload = true;
        if (gen_tlvs.feat_flags & QED_TLV_LSO)
                tlv->flags.lso_supported = true;
        tlv->flags.b_set = true;

        for (i = 0; i < QED_TLV_MAC_COUNT; i++) {
                if (is_valid_ether_addr(gen_tlvs.mac[i])) {
                        ether_addr_copy(tlv->mac[i], gen_tlvs.mac[i]);
                        tlv->mac_set[i] = true;
                }
        }

        qed_get_vport_stats(cdev, &stats);
        p_common = &stats.common;
        tlv->rx_frames = p_common->rx_ucast_pkts + p_common->rx_mcast_pkts +
                         p_common->rx_bcast_pkts;
        tlv->rx_frames_set = true;
        tlv->rx_bytes = p_common->rx_ucast_bytes + p_common->rx_mcast_bytes +
                        p_common->rx_bcast_bytes;
        tlv->rx_bytes_set = true;
        tlv->tx_frames = p_common->tx_ucast_pkts + p_common->tx_mcast_pkts +
                         p_common->tx_bcast_pkts;
        tlv->tx_frames_set = true;
        tlv->tx_bytes = p_common->tx_ucast_bytes + p_common->tx_mcast_bytes +
                        p_common->tx_bcast_bytes;
        tlv->rx_bytes_set = true;
}

int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn, enum qed_mfw_tlv_type type,
                          union qed_mfw_tlv_data *tlv_buf)
{
        struct qed_dev *cdev = hwfn->cdev;
        struct qed_common_cb_ops *ops;

        ops = cdev->protocol_ops.common;
        if (!ops || !ops->get_protocol_tlv_data || !ops->get_generic_tlv_data) {
                DP_NOTICE(hwfn, "Can't collect TLV management info\n");
                return -EINVAL;
        }

        switch (type) {
        case QED_MFW_TLV_GENERIC:
                qed_fill_generic_tlv_data(hwfn->cdev, &tlv_buf->generic);
                break;
        case QED_MFW_TLV_ETH:
                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->eth);
                break;
        case QED_MFW_TLV_FCOE:
                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->fcoe);
                break;
        case QED_MFW_TLV_ISCSI:
                ops->get_protocol_tlv_data(cdev->ops_cookie, &tlv_buf->iscsi);
                break;
        default:
                break;
        }

        return 0;
}

unsigned long qed_get_epoch_time(void)
{
        return ktime_get_real_seconds();
}