Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1/*
2 * linux/fs/9p/debug.h - V9FS Debug Definitions
3 *
4 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
5 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * 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:
18 * Free Software Foundation
19 * 51 Franklin Street, Fifth Floor
20 * Boston, MA 02111-1301 USA
21 *
22 */
23
24#define DEBUG_ERROR (1<<0)
25#define DEBUG_CURRENT (1<<1)
26#define DEBUG_9P (1<<2)
27#define DEBUG_VFS (1<<3)
28#define DEBUG_CONV (1<<4)
29#define DEBUG_MUX (1<<5)
30#define DEBUG_TRANS (1<<6)
31#define DEBUG_SLABS (1<<7)
32#define DEBUG_FCALL (1<<8)
33
34#define DEBUG_DUMP_PKT 0
35
36extern int v9fs_debug_level;
37
38#define dprintk(level, format, arg...) \
39do { \
40 if((v9fs_debug_level & level)==level) \
41 printk(KERN_NOTICE "-- %s (%d): " \
42 format , __FUNCTION__, current->pid , ## arg); \
43} while(0)
44
45#define eprintk(level, format, arg...) \
46do { \
47 printk(level "v9fs: %s (%d): " \
48 format , __FUNCTION__, current->pid , ## arg); \
49} while(0)
50
51#if DEBUG_DUMP_PKT
52static inline void dump_data(const unsigned char *data, unsigned int datalen)
53{
54 int i, n;
55 char buf[5*8];
56
57 n = 0;
58 i = 0;
59 while (i < datalen) {
60 n += snprintf(buf+n, sizeof(buf)-n, "%02x", data[i++]);
61 if (i%4 == 0)
62 n += snprintf(buf+n, sizeof(buf)-n, " ");
63
64 if (i%16 == 0) {
65 dprintk(DEBUG_ERROR, "%s\n", buf);
66 n = 0;
67 }
68 }
69
70 dprintk(DEBUG_ERROR, "%s\n", buf);
71}
72#else /* DEBUG_DUMP_PKT */
73static inline void dump_data(const unsigned char *data, unsigned int datalen)
74{
75
76}
77#endif /* DEBUG_DUMP_PKT */