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path: root/drivers/crypto/caam/dpseci-debugfs.c
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Diffstat (limited to 'drivers/crypto/caam/dpseci-debugfs.c')
-rw-r--r--drivers/crypto/caam/dpseci-debugfs.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/crypto/caam/dpseci-debugfs.c b/drivers/crypto/caam/dpseci-debugfs.c
new file mode 100644
index 000000000..0eca8c2fd
--- /dev/null
+++ b/drivers/crypto/caam/dpseci-debugfs.c
@@ -0,0 +1,60 @@
+// 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;
+}
+
+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);
+}