drivers/infiniband/hw/mlx5/fs.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /*
   3  * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved.
   4  */
   5
   6 #ifndef _MLX5_IB_FS_H
   7 #define _MLX5_IB_FS_H
   8
   9 #include "mlx5_ib.h"
  10
  11 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
  12 int mlx5_ib_fs_init(struct mlx5_ib_dev *dev);
  13 #else
  14 static inline int mlx5_ib_fs_init(struct mlx5_ib_dev *dev)
  15 {
  16         dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL);
  17
  18         if (!dev->flow_db)
  19                 return -ENOMEM;
  20
  21         mutex_init(&dev->flow_db->lock);
  22         return 0;
  23 }
  24 #endif
  25 static inline void mlx5_ib_fs_cleanup(struct mlx5_ib_dev *dev)
  26 {
  27         kfree(dev->flow_db);
  28 }
  29 #endif /* _MLX5_IB_FS_H */