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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_SYSCTL
35#define RPC_DEBUG
36#endif
37/* #define RPC_PROFILE */
38
39/*
40 * Debugging macros etc
41 */
42#ifdef RPC_DEBUG
43extern unsigned int rpc_debug;
44extern unsigned int nfs_debug;
45extern unsigned int nfsd_debug;
46extern unsigned int nlm_debug;
47#endif
48
49#define dprintk(args...) dfprintk(FACILITY, ## args)
50
51#undef ifdebug
52#ifdef RPC_DEBUG
53# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
54# define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0)
55# define RPC_IFDEBUG(x) x
56#else
57# define ifdebug(fac) if (0)
58# define dfprintk(fac, args...) do ; while (0)
59# define RPC_IFDEBUG(x)
60#endif
61
62/*
63 * Sysctl interface for RPC debugging
64 */
65#ifdef RPC_DEBUG
66void rpc_register_sysctl(void);
67void rpc_unregister_sysctl(void);
68#endif
69
70#endif /* __KERNEL__ */
71
72/*
73 * Declarations for the sysctl debug interface, which allows to read or
74 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
75 * module currently registers its sysctl table dynamically, the sysctl path
76 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
77 */
78
79enum {
80 CTL_RPCDEBUG = 1,
81 CTL_NFSDEBUG,
82 CTL_NFSDDEBUG,
83 CTL_NLMDEBUG,
84 CTL_SLOTTABLE_UDP,
85 CTL_SLOTTABLE_TCP,
86 CTL_MIN_RESVPORT,
87 CTL_MAX_RESVPORT,
88};
89
90#endif /* _LINUX_SUNRPC_DEBUG_H_ */