Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 *
3 * Copyright (c) International Business Machines Corp., 2000,2002
4 * Modified by Steve French (sfrench@us.ibm.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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
14 * the 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20*/
21
22#ifndef _H_CIFS_DEBUG
23#define _H_CIFS_DEBUG
24
25void cifs_dump_mem(char *label, void *data, int length);
26void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info);
27void cifs_dump_mids(struct TCP_Server_Info *);
28extern bool traceSMB; /* flag which enables the function below */
29void dump_smb(void *, int);
30#define CIFS_INFO 0x01
31#define CIFS_RC 0x02
32#define CIFS_TIMER 0x04
33
34#define VFS 1
35#define FYI 2
36extern int cifsFYI;
37#ifdef CONFIG_CIFS_DEBUG2
38#define NOISY 4
39#else
40#define NOISY 0
41#endif
42#define ONCE 8
43
44/*
45 * debug ON
46 * --------
47 */
48#ifdef CONFIG_CIFS_DEBUG
49
50
51/*
52 * When adding tracepoints and debug messages we have various choices.
53 * Some considerations:
54 *
55 * Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
56 * cifs_info(...) slightly less important, admin can filter via loglevel > 6
57 * cifs_dbg(FYI, ...) minor debugging messages, off by default
58 * trace_smb3_* ftrace functions are preferred for complex debug messages
59 * intended for developers or experienced admins, off by default
60 */
61
62/* Information level messages, minor events */
63#define cifs_info_func(ratefunc, fmt, ...) \
64do { \
65 pr_info_ ## ratefunc("CIFS: " fmt, ##__VA_ARGS__); \
66} while (0)
67
68#define cifs_info(fmt, ...) \
69do { \
70 cifs_info_func(ratelimited, fmt, ##__VA_ARGS__); \
71} while (0)
72
73/* information message: e.g., configuration, major event */
74#define cifs_dbg_func(ratefunc, type, fmt, ...) \
75do { \
76 if ((type) & FYI && cifsFYI & CIFS_INFO) { \
77 pr_debug_ ## ratefunc("%s: " \
78 fmt, __FILE__, ##__VA_ARGS__); \
79 } else if ((type) & VFS) { \
80 pr_err_ ## ratefunc("CIFS VFS: " \
81 fmt, ##__VA_ARGS__); \
82 } else if ((type) & NOISY && (NOISY != 0)) { \
83 pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \
84 } \
85} while (0)
86
87#define cifs_dbg(type, fmt, ...) \
88do { \
89 if ((type) & ONCE) \
90 cifs_dbg_func(once, \
91 type, fmt, ##__VA_ARGS__); \
92 else \
93 cifs_dbg_func(ratelimited, \
94 type, fmt, ##__VA_ARGS__); \
95} while (0)
96
97/*
98 * debug OFF
99 * ---------
100 */
101#else /* _CIFS_DEBUG */
102#define cifs_dbg(type, fmt, ...) \
103do { \
104 if (0) \
105 pr_debug(fmt, ##__VA_ARGS__); \
106} while (0)
107
108#define cifs_info(fmt, ...) \
109do { \
110 pr_info("CIFS: "fmt, ##__VA_ARGS__); \
111} while (0)
112#endif
113
114#endif /* _H_CIFS_DEBUG */