Linux kernel mirror (for testing)
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linux
1/*
2 * linux/include/linux/sunrpc/debug.h
3 *
4 * Debugging support for sunrpc module
5 *
6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
7 */
8
9#ifndef _LINUX_SUNRPC_DEBUG_H_
10#define _LINUX_SUNRPC_DEBUG_H_
11
12/*
13 * RPC debug facilities
14 */
15#define RPCDBG_XPRT 0x0001
16#define RPCDBG_CALL 0x0002
17#define RPCDBG_DEBUG 0x0004
18#define RPCDBG_NFS 0x0008
19#define RPCDBG_AUTH 0x0010
20#define RPCDBG_BIND 0x0020
21#define RPCDBG_SCHED 0x0040
22#define RPCDBG_TRANS 0x0080
23#define RPCDBG_SVCXPRT 0x0100
24#define RPCDBG_SVCDSP 0x0200
25#define RPCDBG_MISC 0x0400
26#define RPCDBG_CACHE 0x0800
27#define RPCDBG_ALL 0x7fff
28
29#ifdef __KERNEL__
30
31/*
32 * Enable RPC debugging/profiling.
33 */
34#ifdef CONFIG_SUNRPC_DEBUG
35#define RPC_DEBUG
36#endif
37#ifdef CONFIG_TRACEPOINTS
38#define RPC_TRACEPOINTS
39#endif
40/* #define RPC_PROFILE */
41
42/*
43 * Debugging macros etc
44 */
45#ifdef RPC_DEBUG
46extern unsigned int rpc_debug;
47extern unsigned int nfs_debug;
48extern unsigned int nfsd_debug;
49extern unsigned int nlm_debug;
50#endif
51
52#define dprintk(args...) dfprintk(FACILITY, ## args)
53#define dprintk_rcu(args...) dfprintk_rcu(FACILITY, ## args)
54
55#undef ifdebug
56#ifdef RPC_DEBUG
57# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
58
59# define dfprintk(fac, args...) \
60 do { \
61 ifdebug(fac) \
62 printk(KERN_DEFAULT args); \
63 } while (0)
64
65# define dfprintk_rcu(fac, args...) \
66 do { \
67 ifdebug(fac) { \
68 rcu_read_lock(); \
69 printk(KERN_DEFAULT args); \
70 rcu_read_unlock(); \
71 } \
72 } while (0)
73
74# define RPC_IFDEBUG(x) x
75#else
76# define ifdebug(fac) if (0)
77# define dfprintk(fac, args...) do {} while (0)
78# define dfprintk_rcu(fac, args...) do {} while (0)
79# define RPC_IFDEBUG(x)
80#endif
81
82/*
83 * Sysctl interface for RPC debugging
84 */
85#ifdef RPC_DEBUG
86void rpc_register_sysctl(void);
87void rpc_unregister_sysctl(void);
88#endif
89
90#endif /* __KERNEL__ */
91
92/*
93 * Declarations for the sysctl debug interface, which allows to read or
94 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
95 * module currently registers its sysctl table dynamically, the sysctl path
96 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
97 */
98
99enum {
100 CTL_RPCDEBUG = 1,
101 CTL_NFSDEBUG,
102 CTL_NFSDDEBUG,
103 CTL_NLMDEBUG,
104 CTL_SLOTTABLE_UDP,
105 CTL_SLOTTABLE_TCP,
106 CTL_MIN_RESVPORT,
107 CTL_MAX_RESVPORT,
108};
109
110#endif /* _LINUX_SUNRPC_DEBUG_H_ */