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_SVCSOCK		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#include <linux/timer.h>
32#include <linux/workqueue.h>
33
34/*
35 * Enable RPC debugging/profiling.
36 */
37#ifdef CONFIG_SYSCTL
38#define  RPC_DEBUG
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
54#undef ifdebug
55#ifdef RPC_DEBUG
56# define ifdebug(fac)		if (unlikely(rpc_debug & RPCDBG_##fac))
57# define dfprintk(fac, args...)	do { ifdebug(fac) printk(args); } while(0)
58# define RPC_IFDEBUG(x)		x
59#else
60# define ifdebug(fac)		if (0)
61# define dfprintk(fac, args...)	do ; while (0)
62# define RPC_IFDEBUG(x)
63#endif
64
65/*
66 * Sysctl interface for RPC debugging
67 */
68#ifdef RPC_DEBUG
69void		rpc_register_sysctl(void);
70void		rpc_unregister_sysctl(void);
71#endif
72
73#endif /* __KERNEL__ */
74
75/*
76 * Declarations for the sysctl debug interface, which allows to read or
77 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
78 * module currently registers its sysctl table dynamically, the sysctl path
79 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
80 */
81
82enum {
83	CTL_RPCDEBUG = 1,
84	CTL_NFSDEBUG,
85	CTL_NFSDDEBUG,
86	CTL_NLMDEBUG,
87	CTL_SLOTTABLE_UDP,
88	CTL_SLOTTABLE_TCP,
89	CTL_MIN_RESVPORT,
90	CTL_MAX_RESVPORT,
91};
92
93#endif /* _LINUX_SUNRPC_DEBUG_H_ */
94