// SPDX-License-Identifier: GPL-2.0-only
// Copyright 2013 Cisco Systems, Inc.  All rights reserved.

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

#include "vnic_dev.h"
#include "vnic_devcmd.h"

#include "enic_res.h"
#include "enic.h"
#include "enic_api.h"

int enic_api_devcmd_proxy_by_index(struct net_device *netdev, int vf,
        enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
{
        int err;
        struct enic *enic = netdev_priv(netdev);
        struct vnic_dev *vdev = enic->vdev;

        spin_lock(&enic->enic_api_lock);
        while (enic->enic_api_busy) {
                spin_unlock(&enic->enic_api_lock);
                cpu_relax();
                spin_lock(&enic->enic_api_lock);
        }

        spin_lock_bh(&enic->devcmd_lock);

        vnic_dev_cmd_proxy_by_index_start(vdev, vf);
        err = vnic_dev_cmd(vdev, cmd, a0, a1, wait);
        vnic_dev_cmd_proxy_end(vdev);

        spin_unlock_bh(&enic->devcmd_lock);
        spin_unlock(&enic->enic_api_lock);

        return err;
}
EXPORT_SYMBOL(enic_api_devcmd_proxy_by_index);