// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */

#include <linux/module.h>
#include <linux/netdevice.h>

#include "ionic.h"
#include "ionic_bus.h"
#include "ionic_lif.h"
#include "ionic_devlink.h"

static int ionic_dl_flash_update(struct devlink *dl,
                                 struct devlink_flash_update_params *params,
                                 struct netlink_ext_ack *extack)
{
        struct ionic *ionic = devlink_priv(dl);

        return ionic_firmware_update(ionic->lif, params->fw, extack);
}

static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
                             struct netlink_ext_ack *extack)
{
        struct ionic *ionic = devlink_priv(dl);
        struct ionic_dev *idev = &ionic->idev;
        char buf[16];
        int err = 0;

        err = devlink_info_version_running_put(req,
                                               DEVLINK_INFO_VERSION_GENERIC_FW,
                                               idev->dev_info.fw_version);
        if (err)
                return err;

        snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
        err = devlink_info_version_fixed_put(req,
                                             DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
                                             buf);
        if (err)
                return err;

        snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
        err = devlink_info_version_fixed_put(req,
                                             DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
                                             buf);
        if (err)
                return err;

        err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);

        return err;
}

static const struct devlink_ops ionic_dl_ops = {
        .info_get       = ionic_dl_info_get,
        .flash_update   = ionic_dl_flash_update,
};

struct ionic *ionic_devlink_alloc(struct device *dev)
{
        struct devlink *dl;

        dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic), dev);
        if (!dl)
                return NULL;

        return devlink_priv(dl);
}

void ionic_devlink_free(struct ionic *ionic)
{
        struct devlink *dl = priv_to_devlink(ionic);

        devlink_free(dl);
}

int ionic_devlink_register(struct ionic *ionic)
{
        struct devlink *dl = priv_to_devlink(ionic);
        struct devlink_port_attrs attrs = {};
        int err;

        attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
        devlink_port_attrs_set(&ionic->dl_port, &attrs);
        err = devlink_port_register(dl, &ionic->dl_port, 0);
        if (err) {
                dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
                return err;
        }

        SET_NETDEV_DEVLINK_PORT(ionic->lif->netdev, &ionic->dl_port);
        devlink_register(dl);
        return 0;
}

void ionic_devlink_unregister(struct ionic *ionic)
{
        struct devlink *dl = priv_to_devlink(ionic);

        devlink_unregister(dl);
        devlink_port_unregister(&ionic->dl_port);
}