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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/* Copyright 2019 NXP */
#include <linux/module.h>
#include <linux/device.h>
#include <linux/debugfs.h>
#include "dpseci-debugfs.h"
static int dpseci_dbg_fqs_show(struct seq_file *file, void *offset)
{
struct dpaa2_caam_priv *priv = (struct dpaa2_caam_priv *)file->private;
u32 fqid, fcnt, bcnt;
int i, err;
seq_printf(file, "FQ stats for %s:\n", dev_name(priv->dev));
seq_printf(file, "%s%16s%16s\n",
"Rx-VFQID",
"Pending frames",
"Pending bytes");
for (i = 0; i < priv->num_pairs; i++) {
fqid = priv->rx_queue_attr[i].fqid;
err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
if (err)
continue;
seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
}
seq_printf(file, "%s%16s%16s\n",
"Tx-VFQID",
"Pending frames",
"Pending bytes");
for (i = 0; i < priv->num_pairs; i++) {
fqid = priv->tx_queue_attr[i].fqid;
err = dpaa2_io_query_fq_count(NULL, fqid, &fcnt, &bcnt);
if (err)
continue;
seq_printf(file, "%5d%16u%16u\n", fqid, fcnt, bcnt);
}
return 0;
}
static int dpseci_dbg_fqs_open(struct inode *inode, struct file *file)
{
int err;
struct dpaa2_caam_priv *priv;
priv = (struct dpaa2_caam_priv *)inode->i_private;
err = single_open(file, dpseci_dbg_fqs_show, priv);
if (err < 0)
dev_err(priv->dev, "single_open() failed\n");
return err;
}
static const struct file_operations dpseci_dbg_fq_ops = {
.open = dpseci_dbg_fqs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void dpaa2_dpseci_debugfs_init(struct dpaa2_caam_priv *priv)
{
priv->dfs_root = debugfs_create_dir(dev_name(priv->dev), NULL);
debugfs_create_file("fq_stats", 0444, priv->dfs_root, priv,
&dpseci_dbg_fq_ops);
}
void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
{
debugfs_remove_recursive(priv->dfs_root);
}
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