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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#include <linux/config.h>
13
14#include <linux/timer.h>
15#include <linux/workqueue.h>
16
17/*
18 * Enable RPC debugging/profiling.
19 */
20#ifdef CONFIG_SYSCTL
21#define RPC_DEBUG
22#endif
23/* #define RPC_PROFILE */
24
25/*
26 * RPC debug facilities
27 */
28#define RPCDBG_XPRT 0x0001
29#define RPCDBG_CALL 0x0002
30#define RPCDBG_DEBUG 0x0004
31#define RPCDBG_NFS 0x0008
32#define RPCDBG_AUTH 0x0010
33#define RPCDBG_PMAP 0x0020
34#define RPCDBG_SCHED 0x0040
35#define RPCDBG_SVCSOCK 0x0100
36#define RPCDBG_SVCDSP 0x0200
37#define RPCDBG_MISC 0x0400
38#define RPCDBG_CACHE 0x0800
39#define RPCDBG_ALL 0x7fff
40
41#ifdef __KERNEL__
42
43/*
44 * Debugging macros etc
45 */
46#ifdef RPC_DEBUG
47extern unsigned int rpc_debug;
48extern unsigned int nfs_debug;
49extern unsigned int nfsd_debug;
50extern unsigned int nlm_debug;
51#endif
52
53#define dprintk(args...) dfprintk(FACILITY, ## args)
54
55#undef ifdebug
56#ifdef RPC_DEBUG
57# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
58# define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0)
59# define RPC_IFDEBUG(x) x
60#else
61# define ifdebug(fac) if (0)
62# define dfprintk(fac, args...) do ; while (0)
63# define RPC_IFDEBUG(x)
64#endif
65
66#ifdef RPC_PROFILE
67# define pprintk(args...) printk(## args)
68#else
69# define pprintk(args...) do ; while (0)
70#endif
71
72/*
73 * Sysctl interface for RPC debugging
74 */
75#ifdef RPC_DEBUG
76void rpc_register_sysctl(void);
77void rpc_unregister_sysctl(void);
78#endif
79
80#endif /* __KERNEL__ */
81
82/*
83 * Declarations for the sysctl debug interface, which allows to read or
84 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
85 * module currently registers its sysctl table dynamically, the sysctl path
86 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
87 */
88#define CTL_SUNRPC 7249 /* arbitrary and hopefully unused */
89
90enum {
91 CTL_RPCDEBUG = 1,
92 CTL_NFSDEBUG,
93 CTL_NFSDDEBUG,
94 CTL_NLMDEBUG,
95 CTL_SLOTTABLE_UDP,
96 CTL_SLOTTABLE_TCP,
97};
98
99#endif /* _LINUX_SUNRPC_DEBUG_H_ */