40 lines
940 B
C
40 lines
940 B
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright 2013 Cisco Systems, Inc. All rights reserved.
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#include <linux/netdevice.h>
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#include <linux/spinlock.h>
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#include "vnic_dev.h"
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#include "vnic_devcmd.h"
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#include "enic_res.h"
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#include "enic.h"
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#include "enic_api.h"
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int enic_api_devcmd_proxy_by_index(struct net_device *netdev, int vf,
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enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait)
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{
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int err;
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struct enic *enic = netdev_priv(netdev);
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struct vnic_dev *vdev = enic->vdev;
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spin_lock(&enic->enic_api_lock);
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while (enic->enic_api_busy) {
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spin_unlock(&enic->enic_api_lock);
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cpu_relax();
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spin_lock(&enic->enic_api_lock);
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}
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spin_lock_bh(&enic->devcmd_lock);
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vnic_dev_cmd_proxy_by_index_start(vdev, vf);
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err = vnic_dev_cmd(vdev, cmd, a0, a1, wait);
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vnic_dev_cmd_proxy_end(vdev);
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spin_unlock_bh(&enic->devcmd_lock);
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spin_unlock(&enic->enic_api_lock);
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return err;
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}
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EXPORT_SYMBOL(enic_api_devcmd_proxy_by_index);
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