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