1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * linux/include/linux/sunrpc/debug.h 2 * linux/include/linux/sunrpc/debug.h
4 * 3 *
5 * Debugging support for sunrpc module 4 * Debugging support for sunrpc module
6 * 5 *
7 * Copyright (C) 1996, Olaf Kirch <okir@monad. 6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
8 */ 7 */
>> 8
9 #ifndef _LINUX_SUNRPC_DEBUG_H_ 9 #ifndef _LINUX_SUNRPC_DEBUG_H_
10 #define _LINUX_SUNRPC_DEBUG_H_ 10 #define _LINUX_SUNRPC_DEBUG_H_
11 11
12 #include <uapi/linux/sunrpc/debug.h> !! 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_SVCXPRT 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 */
13 41
14 /* 42 /*
15 * Debugging macros etc 43 * Debugging macros etc
16 */ 44 */
17 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) !! 45 #ifdef RPC_DEBUG
18 extern unsigned int rpc_debug; 46 extern unsigned int rpc_debug;
19 extern unsigned int nfs_debug; 47 extern unsigned int nfs_debug;
20 extern unsigned int nfsd_debug; 48 extern unsigned int nfsd_debug;
21 extern unsigned int nlm_debug; 49 extern unsigned int nlm_debug;
22 #endif 50 #endif
23 51
24 #define dprintk(fmt, ...) !! 52 #define dprintk(args...) dfprintk(FACILITY, ## args)
25 dfprintk(FACILITY, fmt, ##__VA_ARGS__) <<
26 #define dprintk_cont(fmt, ...) <<
27 dfprintk_cont(FACILITY, fmt, ##__VA_AR <<
28 #define dprintk_rcu(fmt, ...) <<
29 dfprintk_rcu(FACILITY, fmt, ##__VA_ARG <<
30 #define dprintk_rcu_cont(fmt, ...) <<
31 dfprintk_rcu_cont(FACILITY, fmt, ##__V <<
32 53
33 #undef ifdebug 54 #undef ifdebug
34 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) !! 55 #ifdef RPC_DEBUG
35 # define ifdebug(fac) if (unlikely(r 56 # define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
36 !! 57 # define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0)
37 # define dfprintk(fac, fmt, ...) <<
38 do { <<
39 ifdebug(fac) <<
40 printk(KERN_DEFAULT fmt, ##__V <<
41 } while (0) <<
42 <<
43 # define dfprintk_cont(fac, fmt, ...) <<
44 do { <<
45 ifdebug(fac) <<
46 printk(KERN_CONT fmt, ##__VA_A <<
47 } while (0) <<
48 <<
49 # define dfprintk_rcu(fac, fmt, ...) <<
50 do { <<
51 ifdebug(fac) { <<
52 rcu_read_lock(); <<
53 printk(KERN_DEFAULT fmt, ##__V <<
54 rcu_read_unlock(); <<
55 } <<
56 } while (0) <<
57 <<
58 # define dfprintk_rcu_cont(fac, fmt, ...) <<
59 do { <<
60 ifdebug(fac) { <<
61 rcu_read_lock(); <<
62 printk(KERN_CONT fmt, ##__VA_A <<
63 rcu_read_unlock(); <<
64 } <<
65 } while (0) <<
66 <<
67 # define RPC_IFDEBUG(x) x 58 # define RPC_IFDEBUG(x) x
68 #else 59 #else
69 # define ifdebug(fac) if (0) 60 # define ifdebug(fac) if (0)
70 # define dfprintk(fac, fmt, ...) do {} !! 61 # define dfprintk(fac, args...) do ; while (0)
71 # define dfprintk_cont(fac, fmt, ...) do {} <<
72 # define dfprintk_rcu(fac, fmt, ...) do {} <<
73 # define RPC_IFDEBUG(x) 62 # define RPC_IFDEBUG(x)
74 #endif 63 #endif
75 64
76 /* 65 /*
77 * Sysctl interface for RPC debugging 66 * Sysctl interface for RPC debugging
78 */ 67 */
79 !! 68 #ifdef RPC_DEBUG
80 struct rpc_clnt; <<
81 struct rpc_xprt; <<
82 <<
83 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) <<
84 void rpc_register_sysctl(void); 69 void rpc_register_sysctl(void);
85 void rpc_unregister_sysctl(void); 70 void rpc_unregister_sysctl(void);
86 void sunrpc_debugfs_init(void); <<
87 void sunrpc_debugfs_exit(void); <<
88 void rpc_clnt_debugfs_register(stru <<
89 void rpc_clnt_debugfs_unregister(st <<
90 void rpc_xprt_debugfs_register(stru <<
91 void rpc_xprt_debugfs_unregister(st <<
92 #else <<
93 static inline void <<
94 sunrpc_debugfs_init(void) <<
95 { <<
96 return; <<
97 } <<
98 <<
99 static inline void <<
100 sunrpc_debugfs_exit(void) <<
101 { <<
102 return; <<
103 } <<
104 <<
105 static inline void <<
106 rpc_clnt_debugfs_register(struct rpc_clnt *cln <<
107 { <<
108 return; <<
109 } <<
110 <<
111 static inline void <<
112 rpc_clnt_debugfs_unregister(struct rpc_clnt *c <<
113 { <<
114 return; <<
115 } <<
116 <<
117 static inline void <<
118 rpc_xprt_debugfs_register(struct rpc_xprt *xpr <<
119 { <<
120 return; <<
121 } <<
122 <<
123 static inline void <<
124 rpc_xprt_debugfs_unregister(struct rpc_xprt *x <<
125 { <<
126 return; <<
127 } <<
128 #endif 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
>> 82 enum {
>> 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 };
129 92
130 #endif /* _LINUX_SUNRPC_DEBUG_H_ */ 93 #endif /* _LINUX_SUNRPC_DEBUG_H_ */
131 94
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