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(file, "FQ stats for %s:\n", dev_name(priv->dev));
16	seq_printf(file, "%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, &bcnt);
24		if (err)
25			continue;
26
27		seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
28	}
29
30	seq_printf(file, "%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, &bcnt);
38		if (err)
39			continue;
40
41		seq_printf(file, "%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(dev_name(priv->dev), NULL);
52
53	debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv,
54			    &dpseci_dbg_fqs_fops);
55}
56
57void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
58{
59	debugfs_remove_recursive(priv->dfs_root);
60}

 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 = (struct dpaa2_caam_priv *)file->private;
12	u32 fqid, fcnt, bcnt;
13	int i, err;
14
15	seq_printf(file, "FQ stats for %s:\n", dev_name(priv->dev));
16	seq_printf(file, "%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, &bcnt);
24		if (err)
25			continue;
26
27		seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
28	}
29
30	seq_printf(file, "%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, &bcnt);
38		if (err)
39			continue;
40
41		seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
42	}
43
44	return 0;
45}
46
47static int dpseci_dbg_fqs_open(struct inode *inode, struct file *file)
48{
49	int err;
50	struct dpaa2_caam_priv *priv;
51
52	priv = (struct dpaa2_caam_priv *)inode->i_private;
53
54	err = single_open(file, dpseci_dbg_fqs_show, priv);
55	if (err < 0)
56		dev_err(priv->dev, "single_open() failed\n");
57
58	return err;
59}
60
61static const struct file_operations dpseci_dbg_fq_ops = {
62	.open = dpseci_dbg_fqs_open,
63	.read = seq_read,
64	.llseek = seq_lseek,
65	.release = single_release,
66};
67
68void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv)
69{
70	priv->dfs_root = debugfs_create_dir(dev_name(priv->dev), NULL);
71
72	debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv,
73			    &dpseci_dbg_fq_ops);
74}
75
76void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
77{
78	debugfs_remove_recursive(priv->dfs_root);
79}