1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/net/debug.c b/drivers/vdpa/mlx5/net/debug.c
new file mode 100644
index 000000000000..95e4801df211
--- /dev/null
+++ b/drivers/vdpa/mlx5/net/debug.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#include <linux/debugfs.h>
+#include <linux/mlx5/fs.h>
+#include "mlx5_vnet.h"
+
+static int tirn_show(struct seq_file *file, void *priv)
+{
+	struct mlx5_vdpa_net *ndev = file->private;
+
+	seq_printf(file, "0x%x\n", ndev->res.tirn);
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(tirn);
+
+void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev)
+{
+	if (ndev->debugfs)
+		debugfs_remove(ndev->res.tirn_dent);
+}
+
+void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev)
+{
+	ndev->res.tirn_dent = debugfs_create_file("tirn", 0444, ndev->rx_dent,
+						  ndev, &tirn_fops);
+}
+
+static int rx_flow_table_show(struct seq_file *file, void *priv)
+{
+	struct mlx5_vdpa_net *ndev = file->private;
+
+	seq_printf(file, "0x%x\n", mlx5_flow_table_id(ndev->rxft));
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(rx_flow_table);
+
+void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev)
+{
+	if (ndev->debugfs)
+		debugfs_remove(ndev->rx_table_dent);
+}
+
+void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev)
+{
+	ndev->rx_table_dent = debugfs_create_file("table_id", 0444, ndev->rx_dent,
+						  ndev, &rx_flow_table_fops);
+}
+
+void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev)
+{
+	struct mlx5_core_dev *mdev;
+
+	mdev = ndev->mvdev.mdev;
+	ndev->debugfs = debugfs_create_dir(dev_name(&ndev->mvdev.vdev.dev),
+					   mlx5_debugfs_get_dev_root(mdev));
+	if (!IS_ERR(ndev->debugfs))
+		ndev->rx_dent = debugfs_create_dir("rx", ndev->debugfs);
+}
+
+void mlx5_vdpa_remove_debugfs(struct dentry *dbg)
+{
+	debugfs_remove_recursive(dbg);
+}