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 9 static 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 47 DEFINE_SHOW_ATTRIBUTE(dpseci_dbg_fqs); 48 49 void 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 57 void dpaa2_dpseci_debugfs_exit(struct dpaa2_caam_priv *priv) 58 { 59 debugfs_remove_recursive(priv->dfs_root); 60 } 61