]>
Commit | Line | Data |
---|---|---|
ab69a5ae TW |
1 | /* |
2 | * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver | |
3 | * drivers/misc/iwmc3200top/debufs.c | |
4 | * | |
5 | * Copyright (C) 2009 Intel Corporation. All rights reserved. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License version | |
9 | * 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
19 | * 02110-1301, USA. | |
20 | * | |
21 | * | |
22 | * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com> | |
23 | * - | |
24 | * | |
25 | */ | |
26 | ||
27 | #include <linux/kernel.h> | |
5a0e3ad6 | 28 | #include <linux/slab.h> |
ab69a5ae TW |
29 | #include <linux/string.h> |
30 | #include <linux/ctype.h> | |
31 | #include <linux/mmc/sdio_func.h> | |
32 | #include <linux/mmc/sdio.h> | |
33 | #include <linux/debugfs.h> | |
34 | ||
35 | #include "iwmc3200top.h" | |
36 | #include "fw-msg.h" | |
37 | #include "log.h" | |
38 | #include "debugfs.h" | |
39 | ||
40 | ||
41 | ||
42 | /* Constants definition */ | |
43 | #define HEXADECIMAL_RADIX 16 | |
44 | ||
45 | /* Functions definition */ | |
46 | ||
47 | ||
48 | #define DEBUGFS_ADD(name, parent) do { \ | |
49 | dbgfs->dbgfs_##parent##_files.file_##name = \ | |
50 | debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \ | |
51 | &iwmct_dbgfs_##name##_ops); \ | |
52 | } while (0) | |
53 | ||
54 | #define DEBUGFS_RM(name) do { \ | |
55 | debugfs_remove(name); \ | |
56 | name = NULL; \ | |
57 | } while (0) | |
58 | ||
59 | #define DEBUGFS_READ_FUNC(name) \ | |
60 | ssize_t iwmct_dbgfs_##name##_read(struct file *file, \ | |
61 | char __user *user_buf, \ | |
62 | size_t count, loff_t *ppos); | |
63 | ||
64 | #define DEBUGFS_WRITE_FUNC(name) \ | |
65 | ssize_t iwmct_dbgfs_##name##_write(struct file *file, \ | |
66 | const char __user *user_buf, \ | |
67 | size_t count, loff_t *ppos); | |
68 | ||
69 | #define DEBUGFS_READ_FILE_OPS(name) \ | |
70 | DEBUGFS_READ_FUNC(name) \ | |
71 | static const struct file_operations iwmct_dbgfs_##name##_ops = { \ | |
72 | .read = iwmct_dbgfs_##name##_read, \ | |
73 | .open = iwmct_dbgfs_open_file_generic, \ | |
74 | }; | |
75 | ||
76 | #define DEBUGFS_WRITE_FILE_OPS(name) \ | |
77 | DEBUGFS_WRITE_FUNC(name) \ | |
78 | static const struct file_operations iwmct_dbgfs_##name##_ops = { \ | |
79 | .write = iwmct_dbgfs_##name##_write, \ | |
80 | .open = iwmct_dbgfs_open_file_generic, \ | |
81 | }; | |
82 | ||
83 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ | |
84 | DEBUGFS_READ_FUNC(name) \ | |
85 | DEBUGFS_WRITE_FUNC(name) \ | |
86 | static const struct file_operations iwmct_dbgfs_##name##_ops = {\ | |
87 | .write = iwmct_dbgfs_##name##_write, \ | |
88 | .read = iwmct_dbgfs_##name##_read, \ | |
89 | .open = iwmct_dbgfs_open_file_generic, \ | |
90 | }; | |
91 | ||
92 | ||
93 | /* Debugfs file ops definitions */ | |
94 | ||
95 | /* | |
96 | * Create the debugfs files and directories | |
97 | * | |
98 | */ | |
99 | void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name) | |
100 | { | |
101 | struct iwmct_debugfs *dbgfs; | |
102 | ||
103 | dbgfs = kzalloc(sizeof(struct iwmct_debugfs), GFP_KERNEL); | |
104 | if (!dbgfs) { | |
105 | LOG_ERROR(priv, DEBUGFS, "failed to allocate %zd bytes\n", | |
106 | sizeof(struct iwmct_debugfs)); | |
107 | return; | |
108 | } | |
109 | ||
110 | priv->dbgfs = dbgfs; | |
111 | dbgfs->name = name; | |
112 | dbgfs->dir_drv = debugfs_create_dir(name, NULL); | |
113 | if (!dbgfs->dir_drv) { | |
114 | LOG_ERROR(priv, DEBUGFS, "failed to create debugfs dir\n"); | |
115 | return; | |
116 | } | |
117 | ||
118 | return; | |
119 | } | |
120 | ||
121 | /** | |
122 | * Remove the debugfs files and directories | |
123 | * | |
124 | */ | |
125 | void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs) | |
126 | { | |
127 | if (!dbgfs) | |
128 | return; | |
129 | ||
130 | DEBUGFS_RM(dbgfs->dir_drv); | |
131 | kfree(dbgfs); | |
132 | dbgfs = NULL; | |
133 | } | |
134 |