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Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_api.c')
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_api.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_api.c b/drivers/net/ethernet/cisco/enic/enic_api.c
new file mode 100644
index 000000000..e3b700c28
--- /dev/null
+++ b/drivers/net/ethernet/cisco/enic/enic_api.c
@@ -0,0 +1,39 @@
+// 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);