diff options
Diffstat (limited to 'drivers/misc/mic/scif/scif_debugfs.c')
-rw-r--r-- | drivers/misc/mic/scif/scif_debugfs.c | 85 |
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); +} |