1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_debugfs.c b/drivers/crypto/cavium/nitrox/nitrox_debugfs.c
new file mode 100644
index 000000000..16f7d0bd1
--- /dev/null
+++ b/drivers/crypto/cavium/nitrox/nitrox_debugfs.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+
+#include "nitrox_csr.h"
+#include "nitrox_dev.h"
+
+static int firmware_show(struct seq_file *s, void *v)
+{
+	struct nitrox_device *ndev = s->private;
+
+	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[0]);
+	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]);
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(firmware);
+
+static int device_show(struct seq_file *s, void *v)
+{
+	struct nitrox_device *ndev = s->private;
+
+	seq_printf(s, "NITROX [%d]\n", ndev->idx);
+	seq_printf(s, "  Part Name: %s\n", ndev->hw.partname);
+	seq_printf(s, "  Frequency: %d MHz\n", ndev->hw.freq);
+	seq_printf(s, "  Device ID: 0x%0x\n", ndev->hw.device_id);
+	seq_printf(s, "  Revision ID: 0x%0x\n", ndev->hw.revision_id);
+	seq_printf(s, "  Cores: [AE=%u  SE=%u  ZIP=%u]\n",
+		   ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(device);
+
+static int stats_show(struct seq_file *s, void *v)
+{
+	struct nitrox_device *ndev = s->private;
+
+	seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx);
+	seq_printf(s, "  Posted: %llu\n",
+		   (u64)atomic64_read(&ndev->stats.posted));
+	seq_printf(s, "  Completed: %llu\n",
+		   (u64)atomic64_read(&ndev->stats.completed));
+	seq_printf(s, "  Dropped: %llu\n",
+		   (u64)atomic64_read(&ndev->stats.dropped));
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(stats);
+
+void nitrox_debugfs_exit(struct nitrox_device *ndev)
+{
+	debugfs_remove_recursive(ndev->debugfs_dir);
+	ndev->debugfs_dir = NULL;
+}
+
+void nitrox_debugfs_init(struct nitrox_device *ndev)
+{
+	struct dentry *dir;
+
+	dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
+
+	ndev->debugfs_dir = dir;
+	debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
+	debugfs_create_file("device", 0400, dir, ndev, &device_fops);
+	debugfs_create_file("stats", 0400, dir, ndev, &stats_fops);
+}