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 #include <linux/config.h>
  13
  14 #include <linux/timer.h>
  15 #include <linux/workqueue.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_CACHE            0x0800
  39 #define RPCDBG_ALL              0x7fff
  40
  41 #ifdef __KERNEL__
  42
  43 /*
  44  * Debugging macros etc
  45  */
  46 #ifdef RPC_DEBUG
  47 extern unsigned int             rpc_debug;
  48 extern unsigned int             nfs_debug;
  49 extern unsigned int             nfsd_debug;
  50 extern unsigned int             nlm_debug;
  51 #endif
  52
  53 #define dprintk(args...)        dfprintk(FACILITY, ## args)
  54
  55 #undef ifdebug
  56 #ifdef RPC_DEBUG
  57 # define ifdebug(fac)           if (unlikely(rpc_debug & RPCDBG_##fac))
  58 # define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0)
  59 # define RPC_IFDEBUG(x)         x
  60 #else
  61 # define ifdebug(fac)           if (0)
  62 # define dfprintk(fac, args...) do ; while (0)
  63 # define RPC_IFDEBUG(x)
  64 #endif
  65
  66 #ifdef RPC_PROFILE
  67 # define pprintk(args...)       printk(## args)
  68 #else
  69 # define pprintk(args...)       do ; while (0)
  70 #endif
  71
  72 /*
  73  * Sysctl interface for RPC debugging
  74  */
  75 #ifdef RPC_DEBUG
  76 void            rpc_register_sysctl(void);
  77 void            rpc_unregister_sysctl(void);
  78 #endif
  79
  80 #endif /* __KERNEL__ */
  81
  82 /*
  83  * Declarations for the sysctl debug interface, which allows to read or
  84  * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
  85  * module currently registers its sysctl table dynamically, the sysctl path
  86  * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
  87  */
  88 #define CTL_SUNRPC      7249    /* arbitrary and hopefully unused */
  89
  90 enum {
  91         CTL_RPCDEBUG = 1,
  92         CTL_NFSDEBUG,
  93         CTL_NFSDDEBUG,
  94         CTL_NLMDEBUG,
  95         CTL_SLOTTABLE_UDP,
  96         CTL_SLOTTABLE_TCP,
  97 };
  98
  99 #endif /* _LINUX_SUNRPC_DEBUG_H_ */