diff options
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_api.c')
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_api.c | 39 |
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); |