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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *
4 * Copyright (c) International Business Machines Corp., 2000,2002
5 * Modified by Steve French (sfrench@us.ibm.com)
6 */
7
8#ifndef _H_CIFS_DEBUG
9#define _H_CIFS_DEBUG
10
11#ifdef pr_fmt
12#undef pr_fmt
13#endif
14
15#define pr_fmt(fmt) "CIFS: " fmt
16
17void cifs_dump_mem(char *label, void *data, int length);
18void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info);
19void cifs_dump_mids(struct TCP_Server_Info *);
20extern bool traceSMB; /* flag which enables the function below */
21void dump_smb(void *, int);
22#define CIFS_INFO 0x01
23#define CIFS_RC 0x02
24#define CIFS_TIMER 0x04
25
26#define VFS 1
27#define FYI 2
28extern int cifsFYI;
29#ifdef CONFIG_CIFS_DEBUG2
30#define NOISY 4
31#else
32#define NOISY 0
33#endif
34#define ONCE 8
35
36/*
37 * debug ON
38 * --------
39 */
40#ifdef CONFIG_CIFS_DEBUG
41
42
43/*
44 * When adding tracepoints and debug messages we have various choices.
45 * Some considerations:
46 *
47 * Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
48 * cifs_info(...) slightly less important, admin can filter via loglevel > 6
49 * cifs_dbg(FYI, ...) minor debugging messages, off by default
50 * trace_smb3_* ftrace functions are preferred for complex debug messages
51 * intended for developers or experienced admins, off by default
52 */
53
54/* Information level messages, minor events */
55#define cifs_info_func(ratefunc, fmt, ...) \
56 pr_info_ ## ratefunc(fmt, ##__VA_ARGS__)
57
58#define cifs_info(fmt, ...) \
59 cifs_info_func(ratelimited, fmt, ##__VA_ARGS__)
60
61/* information message: e.g., configuration, major event */
62#define cifs_dbg_func(ratefunc, type, fmt, ...) \
63do { \
64 if ((type) & FYI && cifsFYI & CIFS_INFO) { \
65 pr_debug_ ## ratefunc("%s: " fmt, \
66 __FILE__, ##__VA_ARGS__); \
67 } else if ((type) & VFS) { \
68 pr_err_ ## ratefunc("VFS: " fmt, ##__VA_ARGS__); \
69 } else if ((type) & NOISY && (NOISY != 0)) { \
70 pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \
71 } \
72} while (0)
73
74#define cifs_dbg(type, fmt, ...) \
75do { \
76 if ((type) & ONCE) \
77 cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \
78 else \
79 cifs_dbg_func(ratelimited, type, fmt, ##__VA_ARGS__); \
80} while (0)
81
82#define cifs_server_dbg_func(ratefunc, type, fmt, ...) \
83do { \
84 const char *sn = ""; \
85 if (server && server->hostname) \
86 sn = server->hostname; \
87 if ((type) & FYI && cifsFYI & CIFS_INFO) { \
88 pr_debug_ ## ratefunc("%s: \\\\%s " fmt, \
89 __FILE__, sn, ##__VA_ARGS__); \
90 } else if ((type) & VFS) { \
91 pr_err_ ## ratefunc("VFS: \\\\%s " fmt, \
92 sn, ##__VA_ARGS__); \
93 } else if ((type) & NOISY && (NOISY != 0)) { \
94 pr_debug_ ## ratefunc("\\\\%s " fmt, \
95 sn, ##__VA_ARGS__); \
96 } \
97} while (0)
98
99#define cifs_server_dbg(type, fmt, ...) \
100do { \
101 if ((type) & ONCE) \
102 cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \
103 else \
104 cifs_server_dbg_func(ratelimited, type, fmt, \
105 ##__VA_ARGS__); \
106} while (0)
107
108#define cifs_tcon_dbg_func(ratefunc, type, fmt, ...) \
109do { \
110 const char *tn = ""; \
111 if (tcon && tcon->tree_name) \
112 tn = tcon->tree_name; \
113 if ((type) & FYI && cifsFYI & CIFS_INFO) { \
114 pr_debug_ ## ratefunc("%s: %s " fmt, \
115 __FILE__, tn, ##__VA_ARGS__); \
116 } else if ((type) & VFS) { \
117 pr_err_ ## ratefunc("VFS: %s " fmt, tn, ##__VA_ARGS__); \
118 } else if ((type) & NOISY && (NOISY != 0)) { \
119 pr_debug_ ## ratefunc("%s " fmt, tn, ##__VA_ARGS__); \
120 } \
121} while (0)
122
123#define cifs_tcon_dbg(type, fmt, ...) \
124do { \
125 if ((type) & ONCE) \
126 cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \
127 else \
128 cifs_tcon_dbg_func(ratelimited, type, fmt, \
129 ##__VA_ARGS__); \
130} while (0)
131
132/*
133 * debug OFF
134 * ---------
135 */
136#else /* _CIFS_DEBUG */
137#define cifs_dbg(type, fmt, ...) \
138do { \
139 if (0) \
140 pr_debug(fmt, ##__VA_ARGS__); \
141} while (0)
142
143#define cifs_server_dbg(type, fmt, ...) \
144do { \
145 if (0) \
146 pr_debug("\\\\%s " fmt, \
147 server->hostname, ##__VA_ARGS__); \
148} while (0)
149
150#define cifs_tcon_dbg(type, fmt, ...) \
151do { \
152 if (0) \
153 pr_debug("%s " fmt, tcon->tree_name, ##__VA_ARGS__); \
154} while (0)
155
156#define cifs_info(fmt, ...) \
157 pr_info(fmt, ##__VA_ARGS__)
158#endif
159
160#endif /* _H_CIFS_DEBUG */
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#define CIFS_DEBUG /* BB temporary */
22
23#ifndef _H_CIFS_DEBUG
24#define _H_CIFS_DEBUG
25
26void cifs_dump_mem(char *label, void *data, int length);
27#ifdef CONFIG_CIFS_DEBUG2
28#define DBG2 2
29void cifs_dump_detail(struct smb_hdr *);
30void cifs_dump_mids(struct TCP_Server_Info *);
31#else
32#define DBG2 0
33#endif
34extern int traceSMB; /* flag which enables the function below */
35void dump_smb(struct smb_hdr *, int);
36#define CIFS_INFO 0x01
37#define CIFS_RC 0x02
38#define CIFS_TIMER 0x04
39
40/*
41 * debug ON
42 * --------
43 */
44#ifdef CIFS_DEBUG
45
46/* information message: e.g., configuration, major event */
47extern int cifsFYI;
48#define cifsfyi(fmt, arg...) \
49do { \
50 if (cifsFYI & CIFS_INFO) \
51 printk(KERN_DEBUG "%s: " fmt "\n", __FILE__, ##arg); \
52} while (0)
53
54#define cFYI(set, fmt, arg...) \
55do { \
56 if (set) \
57 cifsfyi(fmt, ##arg); \
58} while (0)
59
60#define cifswarn(fmt, arg...) \
61 printk(KERN_WARNING fmt "\n", ##arg)
62
63/* debug event message: */
64extern int cifsERROR;
65
66#define cEVENT(fmt, arg...) \
67do { \
68 if (cifsERROR) \
69 printk(KERN_EVENT "%s: " fmt "\n", __FILE__, ##arg); \
70} while (0)
71
72/* error event message: e.g., i/o error */
73#define cifserror(fmt, arg...) \
74do { \
75 if (cifsERROR) \
76 printk(KERN_ERR "CIFS VFS: " fmt "\n", ##arg); \
77} while (0)
78
79#define cERROR(set, fmt, arg...) \
80do { \
81 if (set) \
82 cifserror(fmt, ##arg); \
83} while (0)
84
85/*
86 * debug OFF
87 * ---------
88 */
89#else /* _CIFS_DEBUG */
90#define cERROR(set, fmt, arg...)
91#define cEVENT(fmt, arg...)
92#define cFYI(set, fmt, arg...)
93#define cifserror(fmt, arg...)
94#endif /* _CIFS_DEBUG */
95
96#endif /* _H_CIFS_DEBUG */