1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright 2013 Cisco Systems, Inc.  All rights reserved.
3
4#include <linux/netdevice.h>
5#include <linux/spinlock.h>
6
7#include "vnic_dev.h"
8#include "vnic_devcmd.h"
9
10#include "enic_res.h"
11#include "enic.h"
12#include "enic_api.h"
13
14int enic_api_devcmd_proxy_by_index(struct net_device *netdev, int vf,
15	enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
16{
17	int err;
18	struct enic *enic = netdev_priv(netdev);
19	struct vnic_dev *vdev = enic->vdev;
20
21	spin_lock(&enic->enic_api_lock);
22	while (enic->enic_api_busy) {
23		spin_unlock(&enic->enic_api_lock);
24		cpu_relax();
25		spin_lock(&enic->enic_api_lock);
26	}
27
28	spin_lock_bh(&enic->devcmd_lock);
29
30	vnic_dev_cmd_proxy_by_index_start(vdev, vf);
31	err = vnic_dev_cmd(vdev, cmd, a0, a1, wait);
32	vnic_dev_cmd_proxy_end(vdev);
33
34	spin_unlock_bh(&enic->devcmd_lock);
35	spin_unlock(&enic->enic_api_lock);
36
37	return err;
38}
39EXPORT_SYMBOL(enic_api_devcmd_proxy_by_index);
40