1 files changed, 85 insertions, 0 deletions

diff --git a/drivers/misc/mic/scif/scif_debugfs.c b/drivers/misc/mic/scif/scif_debugfs.c
new file mode 100644
index 000000000000..51f14e2a1196
--- /dev/null
+++ b/drivers/misc/mic/scif/scif_debugfs.c
@@ -0,0 +1,85 @@
+/*
+ * Intel MIC Platform Software Stack (MPSS)
+ *
+ * Copyright(c) 2014 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * Intel SCIF driver.
+ *
+ */
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+#include "../common/mic_dev.h"
+#include "scif_main.h"
+
+/* Debugfs parent dir */
+static struct dentry *scif_dbg;
+
+static int scif_dev_test(struct seq_file *s, void *unused)
+{
+        int node;
+
+        seq_printf(s, "Total Nodes %d Self Node Id %d Maxid %d\n",
+                   scif_info.total, scif_info.nodeid,
+                   scif_info.maxid);
+
+        if (!scif_dev)
+                return 0;
+
+        seq_printf(s, "%-16s\t%-16s\n", "node_id", "state");
+
+        for (node = 0; node <= scif_info.maxid; node++)
+                seq_printf(s, "%-16d\t%-16s\n", scif_dev[node].node,
+                           _scifdev_alive(&scif_dev[node]) ?
+                           "Running" : "Offline");
+        return 0;
+}
+
+static int scif_dev_test_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, scif_dev_test, inode->i_private);
+}
+
+static int scif_dev_test_release(struct inode *inode, struct file *file)
+{
+        return single_release(inode, file);
+}
+
+static const struct file_operations scif_dev_ops = {
+        .owner   = THIS_MODULE,
+        .open    = scif_dev_test_open,
+        .read    = seq_read,
+        .llseek  = seq_lseek,
+        .release = scif_dev_test_release
+};
+
+void __init scif_init_debugfs(void)
+{
+        struct dentry *d;
+
+        scif_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL);
+        if (!scif_dbg) {
+                dev_err(scif_info.mdev.this_device,
+                        "can't create debugfs dir scif\n");
+                return;
+        }
+
+        d = debugfs_create_file("scif_dev", 0444, scif_dbg,
+                                NULL, &scif_dev_ops);
+        debugfs_create_u8("en_msg_log", 0666, scif_dbg, &scif_info.en_msg_log);
+        debugfs_create_u8("p2p_enable", 0666, scif_dbg, &scif_info.p2p_enable);
+}
+
+void scif_exit_debugfs(void)
+{
+        debugfs_remove_recursive(scif_dbg);
+}