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1/*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 2009 Nokia Corporation
5 *
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 */
23
24#ifndef __DEBUGFS_H__
25#define __DEBUGFS_H__
26
27#include "wlcore.h"
28
29__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
30 loff_t *ppos, char *fmt, ...);
31
32int wl1271_debugfs_init(struct wl1271 *wl);
33void wl1271_debugfs_exit(struct wl1271 *wl);
34void wl1271_debugfs_reset(struct wl1271 *wl);
35void wl1271_debugfs_update_stats(struct wl1271 *wl);
36
37#define DEBUGFS_FORMAT_BUFFER_SIZE 256
38
39#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
40static ssize_t name## _read(struct file *file, char __user *userbuf, \
41 size_t count, loff_t *ppos) \
42{ \
43 struct wl1271 *wl = file->private_data; \
44 return wl1271_format_buffer(userbuf, count, ppos, \
45 fmt "\n", ##value); \
46} \
47 \
48static const struct file_operations name## _ops = { \
49 .read = name## _read, \
50 .open = simple_open, \
51 .llseek = generic_file_llseek, \
52};
53
54#define DEBUGFS_ADD(name, parent) \
55 do { \
56 entry = debugfs_create_file(#name, 0400, parent, \
57 wl, &name## _ops); \
58 if (!entry || IS_ERR(entry)) \
59 goto err; \
60 } while (0)
61
62
63#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \
64 do { \
65 entry = debugfs_create_file(#name, 0400, parent, \
66 wl, &prefix## _## name## _ops); \
67 if (!entry || IS_ERR(entry)) \
68 goto err; \
69 } while (0)
70
71#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \
72static ssize_t sub## _ ##name## _read(struct file *file, \
73 char __user *userbuf, \
74 size_t count, loff_t *ppos) \
75{ \
76 struct wl1271 *wl = file->private_data; \
77 struct struct_type *stats = wl->stats.fw_stats; \
78 \
79 wl1271_debugfs_update_stats(wl); \
80 \
81 return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \
82 stats->sub.name); \
83} \
84 \
85static const struct file_operations sub## _ ##name## _ops = { \
86 .read = sub## _ ##name## _read, \
87 .open = simple_open, \
88 .llseek = generic_file_llseek, \
89};
90
91#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \
92static ssize_t sub## _ ##name## _read(struct file *file, \
93 char __user *userbuf, \
94 size_t count, loff_t *ppos) \
95{ \
96 struct wl1271 *wl = file->private_data; \
97 struct struct_type *stats = wl->stats.fw_stats; \
98 char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \
99 int res, i; \
100 \
101 wl1271_debugfs_update_stats(wl); \
102 \
103 for (i = 0; i < len; i++) \
104 res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \
105 buf, i, stats->sub.name[i]); \
106 \
107 return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \
108} \
109 \
110static const struct file_operations sub## _ ##name## _ops = { \
111 .read = sub## _ ##name## _read, \
112 .open = simple_open, \
113 .llseek = generic_file_llseek, \
114};
115
116#define DEBUGFS_FWSTATS_ADD(sub, name) \
117 DEBUGFS_ADD(sub## _ ##name, stats)
118
119
120#endif /* WL1271_DEBUGFS_H */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * This file is part of wl1271
4 *
5 * Copyright (C) 2009 Nokia Corporation
6 *
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 */
9
10#ifndef __DEBUGFS_H__
11#define __DEBUGFS_H__
12
13#include "wlcore.h"
14
15__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
16 loff_t *ppos, char *fmt, ...);
17
18int wl1271_debugfs_init(struct wl1271 *wl);
19void wl1271_debugfs_exit(struct wl1271 *wl);
20void wl1271_debugfs_reset(struct wl1271 *wl);
21void wl1271_debugfs_update_stats(struct wl1271 *wl);
22
23#define DEBUGFS_FORMAT_BUFFER_SIZE 256
24
25#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
26static ssize_t name## _read(struct file *file, char __user *userbuf, \
27 size_t count, loff_t *ppos) \
28{ \
29 struct wl1271 *wl = file->private_data; \
30 return wl1271_format_buffer(userbuf, count, ppos, \
31 fmt "\n", ##value); \
32} \
33 \
34static const struct file_operations name## _ops = { \
35 .read = name## _read, \
36 .open = simple_open, \
37 .llseek = generic_file_llseek, \
38};
39
40#define DEBUGFS_ADD(name, parent) \
41 do { \
42 debugfs_create_file(#name, 0400, parent, \
43 wl, &name## _ops); \
44 } while (0)
45
46
47#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \
48 do { \
49 debugfs_create_file(#name, 0400, parent, \
50 wl, &prefix## _## name## _ops); \
51 } while (0)
52
53#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \
54static ssize_t sub## _ ##name## _read(struct file *file, \
55 char __user *userbuf, \
56 size_t count, loff_t *ppos) \
57{ \
58 struct wl1271 *wl = file->private_data; \
59 struct struct_type *stats = wl->stats.fw_stats; \
60 \
61 wl1271_debugfs_update_stats(wl); \
62 \
63 return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \
64 stats->sub.name); \
65} \
66 \
67static const struct file_operations sub## _ ##name## _ops = { \
68 .read = sub## _ ##name## _read, \
69 .open = simple_open, \
70 .llseek = generic_file_llseek, \
71};
72
73#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \
74static ssize_t sub## _ ##name## _read(struct file *file, \
75 char __user *userbuf, \
76 size_t count, loff_t *ppos) \
77{ \
78 struct wl1271 *wl = file->private_data; \
79 struct struct_type *stats = wl->stats.fw_stats; \
80 char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \
81 int pos = 0; \
82 int i; \
83 \
84 wl1271_debugfs_update_stats(wl); \
85 \
86 for (i = 0; i < len && pos < sizeof(buf); i++) \
87 pos += snprintf(buf + pos, sizeof(buf) - pos, \
88 "[%d] = %d\n", i, stats->sub.name[i]); \
89 \
90 return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \
91} \
92 \
93static const struct file_operations sub## _ ##name## _ops = { \
94 .read = sub## _ ##name## _read, \
95 .open = simple_open, \
96 .llseek = generic_file_llseek, \
97};
98
99#define DEBUGFS_FWSTATS_ADD(sub, name) \
100 DEBUGFS_ADD(sub## _ ##name, stats)
101
102
103#endif /* WL1271_DEBUGFS_H */