1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2/* Copyright 2019 NXP */
3
4#include <linux/module.h>
5#include <linux/device.h>
6#include <linux/debugfs.h>
7#include "dpseci-debugfs.h"
8
9static int dpseci_dbg_fqs_show(struct seq_file *file, void *offset)
10{
11 struct dpaa2_caam_priv *priv = file->private;
12 u32 fqid, fcnt, bcnt;
13 int i, err;
14
15 seq_printf(m: file, fmt: "FQ stats for %s:\n", dev_name(dev: priv->dev));
16 seq_printf(m: file, fmt: "%s%16s%16s\n",
17 "Rx-VFQID",
18 "Pending frames",
19 "Pending bytes");
20
21 for (i = 0; i < priv->num_pairs; i++) {
22 fqid = priv->rx_queue_attr[i].fqid;
23 err = dpaa2_io_query_fq_count(NULL, fqid, fcnt: &fcnt, bcnt: &bcnt);
24 if (err)
25 continue;
26
27 seq_printf(m: file, fmt: "%5d%16u%16u\n", fqid, fcnt, bcnt);
28 }
29
30 seq_printf(m: file, fmt: "%s%16s%16s\n",
31 "Tx-VFQID",
32 "Pending frames",
33 "Pending bytes");
34
35 for (i = 0; i < priv->num_pairs; i++) {
36 fqid = priv->tx_queue_attr[i].fqid;
37 err = dpaa2_io_query_fq_count(NULL, fqid, fcnt: &fcnt, bcnt: &bcnt);
38 if (err)
39 continue;
40
41 seq_printf(m: file, fmt: "%5d%16u%16u\n", fqid, fcnt, bcnt);
42 }
43
44 return 0;
45}
46
47DEFINE_SHOW_ATTRIBUTE(dpseci_dbg_fqs);
48
49void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv)
50{
51 priv->dfs_root = debugfs_create_dir(name: dev_name(dev: priv->dev), NULL);
52
53 debugfs_create_file(name: "fq_stats", mode: 0444, parent: priv->dfs_root, data: priv,
54 fops: &dpseci_dbg_fqs_fops);
55}
56
57void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
58{
59 debugfs_remove_recursive(dentry: priv->dfs_root);
60}
61

source code of linux/drivers/crypto/caam/dpseci-debugfs.c