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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_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
46 extern unsigned int		rpc_debug;
47 extern unsigned int		nfs_debug;
48 extern unsigned int		nfsd_debug;
49 extern 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
75 void		rpc_register_sysctl(void);
76 void		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 
89 enum {
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