1 /*
2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
3 *
4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #ifndef __CXGB4_DEBUGFS_H
36 #define __CXGB4_DEBUGFS_H
37
38 #include <linux/export.h>
39
40 struct t4_debugfs_entry {
41 const char *name;
42 const struct file_operations *ops;
43 umode_t mode;
44 unsigned char data;
45 };
46
47 struct seq_tab {
48 int (*show)(struct seq_file *seq, void *v, int idx);
49 unsigned int rows; /* # of entries */
50 unsigned char width; /* size in bytes of each entry */
51 unsigned char skip_first; /* whether the first line is a header */
52 char data[0]; /* the table data */
53 };
54
55 static inline unsigned int hex2val(char c)
56 {
57 return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
58 }
59
60 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
61 unsigned int width, unsigned int have_header,
62 int (*show)(struct seq_file *seq, void *v, int i));
63
64 int t4_setup_debugfs(struct adapter *adap);
65 void add_debugfs_files(struct adapter *adap,
66 struct t4_debugfs_entry *files,
67 unsigned int nfiles);
68 int mem_open(struct inode *inode, struct file *file);
69
70 #endif