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_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 /* 32 * Enable RPC debugging/profiling. 33 */ 34 #ifdef CONFIG_SUNRPC_DEBUG 35 #define RPC_DEBUG 36 #endif 37 #ifdef CONFIG_TRACEPOINTS 38 #define RPC_TRACEPOINTS 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 #define dprintk_rcu(args...) dfprintk_rcu(FACILITY, ## args) 54 55 #undef ifdebug 56 #ifdef RPC_DEBUG 57 # define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac)) 58 59 # define dfprintk(fac, args...) \ 60 do { \ 61 ifdebug(fac) \ 62 printk(KERN_DEFAULT args); \ 63 } while (0) 64 65 # define dfprintk_rcu(fac, args...) \ 66 do { \ 67 ifdebug(fac) { \ 68 rcu_read_lock(); \ 69 printk(KERN_DEFAULT args); \ 70 rcu_read_unlock(); \ 71 } \ 72 } while (0) 73 74 # define RPC_IFDEBUG(x) x 75 #else 76 # define ifdebug(fac) if (0) 77 # define dfprintk(fac, args...) do {} while (0) 78 # define dfprintk_rcu(fac, args...) do {} while (0) 79 # define RPC_IFDEBUG(x) 80 #endif 81 82 /* 83 * Sysctl interface for RPC debugging 84 */ 85 #ifdef RPC_DEBUG 86 void rpc_register_sysctl(void); 87 void rpc_unregister_sysctl(void); 88 #endif 89 90 #endif /* __KERNEL__ */ 91 92 /* 93 * Declarations for the sysctl debug interface, which allows to read or 94 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc 95 * module currently registers its sysctl table dynamically, the sysctl path 96 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>. 97 */ 98 99 enum { 100 CTL_RPCDEBUG = 1, 101 CTL_NFSDEBUG, 102 CTL_NFSDDEBUG, 103 CTL_NLMDEBUG, 104 CTL_SLOTTABLE_UDP, 105 CTL_SLOTTABLE_TCP, 106 CTL_MIN_RESVPORT, 107 CTL_MAX_RESVPORT, 108 }; 109 110 #endif /* _LINUX_SUNRPC_DEBUG_H_ */ 111