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#define DEFINE_SIMPLE_DEBUGFS_FILE(name) \
41static int name##_open(struct inode *inode, struct file *file) \
42{ \
43	return single_open(file, name##_show, inode->i_private); \
44} \
45static const struct file_operations name##_debugfs_fops = { \
46	.owner   = THIS_MODULE, \
47	.open    = name##_open, \
48	.read    = seq_read, \
49	.llseek  = seq_lseek, \
50	.release = single_release \
51}
52
53struct t4_debugfs_entry {
54	const char *name;
55	const struct file_operations *ops;
56	umode_t mode;
57	unsigned char data;
58};
59
60struct seq_tab {
61	int (*show)(struct seq_file *seq, void *v, int idx);
62	unsigned int rows;        /* # of entries */
63	unsigned char width;      /* size in bytes of each entry */
64	unsigned char skip_first; /* whether the first line is a header */
65	char data[0];             /* the table data */
66};
67
68static inline unsigned int hex2val(char c)
69{
70	return isdigit(c) ? c - '0' : tolower(c) - 'a' + 10;
71}
72
73struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
74			     unsigned int width, unsigned int have_header,
75			     int (*show)(struct seq_file *seq, void *v, int i));
76
77int t4_setup_debugfs(struct adapter *adap);
78void add_debugfs_files(struct adapter *adap,
79		       struct t4_debugfs_entry *files,
80		       unsigned int nfiles);
81int mem_open(struct inode *inode, struct file *file);
82
83#endif
84