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-rw-r--r--drivers/infiniband/hw/mlx5/fs.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/fs.h b/drivers/infiniband/hw/mlx5/fs.h
new file mode 100644
index 000000000..ad320adaf
--- /dev/null
+++ b/drivers/infiniband/hw/mlx5/fs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/*
+ * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved.
+ */
+
+#ifndef _MLX5_IB_FS_H
+#define _MLX5_IB_FS_H
+
+#include "mlx5_ib.h"
+
+#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
+int mlx5_ib_fs_init(struct mlx5_ib_dev *dev);
+#else
+static inline int mlx5_ib_fs_init(struct mlx5_ib_dev *dev)
+{
+ dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL);
+
+ if (!dev->flow_db)
+ return -ENOMEM;
+
+ mutex_init(&dev->flow_db->lock);
+ return 0;
+}
+#endif
+static inline void mlx5_ib_fs_cleanup(struct mlx5_ib_dev *dev)
+{
+ kfree(dev->flow_db);
+}
+#endif /* _MLX5_IB_FS_H */