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_SYSCTL 35 #define RPC_DEBUG 36 #endif 37 /* #define RPC_PROFILE */ 38 39 /* 40 * Debugging macros etc 41 */ 42 #ifdef RPC_DEBUG 43 extern unsigned int rpc_debug; 44 extern unsigned int nfs_debug; 45 extern unsigned int nfsd_debug; 46 extern unsigned int nlm_debug; 47 #endif 48 49 #define dprintk(args...) dfprintk(FACILITY, ## args) 50 51 #undef ifdebug 52 #ifdef RPC_DEBUG 53 # define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac)) 54 # define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0) 55 # define RPC_IFDEBUG(x) x 56 #else 57 # define ifdebug(fac) if (0) 58 # define dfprintk(fac, args...) do ; while (0) 59 # define RPC_IFDEBUG(x) 60 #endif 61 62 /* 63 * Sysctl interface for RPC debugging 64 */ 65 #ifdef RPC_DEBUG 66 void rpc_register_sysctl(void); 67 void rpc_unregister_sysctl(void); 68 #endif 69 70 #endif /* __KERNEL__ */ 71 72 /* 73 * Declarations for the sysctl debug interface, which allows to read or 74 * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc 75 * module currently registers its sysctl table dynamically, the sysctl path 76 * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>. 77 */ 78 79 enum { 80 CTL_RPCDEBUG = 1, 81 CTL_NFSDEBUG, 82 CTL_NFSDDEBUG, 83 CTL_NLMDEBUG, 84 CTL_SLOTTABLE_UDP, 85 CTL_SLOTTABLE_TCP, 86 CTL_MIN_RESVPORT, 87 CTL_MAX_RESVPORT, 88 }; 89 90 #endif /* _LINUX_SUNRPC_DEBUG_H_ */ 91