Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/caam/dpseci-debugfs.c b/drivers/crypto/caam/dpseci-debugfs.c
new file mode 100644
index 0000000..c5bfc92
--- /dev/null
+++ b/drivers/crypto/caam/dpseci-debugfs.c
@@ -0,0 +1,79 @@
+// 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);
+}