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/tqueue.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_ALL		0x7fff
39 
40 #ifdef __KERNEL__
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 (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 dfprintk(fac, args...)	do ; while (0)
61 # define RPC_IFDEBUG(x)
62 #endif
63 
64 #ifdef RPC_PROFILE
65 # define pprintk(args...)	printk(## args)
66 #else
67 # define pprintk(args...)	do ; while (0)
68 #endif
69 
70 /*
71  * Sysctl interface for RPC debugging
72  */
73 #ifdef RPC_DEBUG
74 void		rpc_register_sysctl(void);
75 void		rpc_unregister_sysctl(void);
76 #endif
77 
78 #endif /* __KERNEL__ */
79 
80 /*
81  * Declarations for the sysctl debug interface, which allows to read or
82  * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
83  * module currently registers its sysctl table dynamically, the sysctl path
84  * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
85  */
86 #define CTL_SUNRPC	7249	/* arbitrary and hopefully unused */
87 
88 enum {
89 	CTL_RPCDEBUG = 1,
90 	CTL_NFSDEBUG,
91 	CTL_NFSDDEBUG,
92 	CTL_NLMDEBUG,
93 };
94 
95 #endif /* _LINUX_SUNRPC_DEBUG_H_ */
96