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_PMAP		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#ifdef RPC_PROFILE
66# define pprintk(args...)	printk(## args)
67#else
68# define pprintk(args...)	do ; while (0)
69#endif
70
71/*
72 * Sysctl interface for RPC debugging
73 */
74#ifdef RPC_DEBUG
75void		rpc_register_sysctl(void);
76void		rpc_unregister_sysctl(void);
77#endif
78
79#endif /* __KERNEL__ */
80
81/*
82 * Declarations for the sysctl debug interface, which allows to read or
83 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
84 * module currently registers its sysctl table dynamically, the sysctl path
85 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
86 */
87#define CTL_SUNRPC	7249	/* arbitrary and hopefully unused */
88
89enum {
90	CTL_RPCDEBUG = 1,
91	CTL_NFSDEBUG,
92	CTL_NFSDDEBUG,
93	CTL_NLMDEBUG,
94	CTL_SLOTTABLE_UDP,
95	CTL_SLOTTABLE_TCP,
96	CTL_MIN_RESVPORT,
97	CTL_MAX_RESVPORT,
98};
99
100#endif /* _LINUX_SUNRPC_DEBUG_H_ */
101