// 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 = 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;
}

DEFINE_SHOW_ATTRIBUTE(dpseci_dbg_fqs);

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_fqs_fops);
}

void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv)
{
        debugfs_remove_recursive(priv->dfs_root);
}