include/linux/sunrpc/debug.h

   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_ */