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_TRANS            0x0080
  36 #define RPCDBG_SVCSOCK          0x0100
  37 #define RPCDBG_SVCDSP           0x0200
  38 #define RPCDBG_MISC             0x0400
  39 #define RPCDBG_CACHE            0x0800
  40 #define RPCDBG_ALL              0x7fff
  41
  42 #ifdef __KERNEL__
  43
  44 /*
  45  * Debugging macros etc
  46  */
  47 #ifdef RPC_DEBUG
  48 extern unsigned int             rpc_debug;
  49 extern unsigned int             nfs_debug;
  50 extern unsigned int             nfsd_debug;
  51 extern unsigned int             nlm_debug;
  52 #endif
  53
  54 #define dprintk(args...)        dfprintk(FACILITY, ## args)
  55
  56 #undef ifdebug
  57 #ifdef RPC_DEBUG
  58 # define ifdebug(fac)           if (unlikely(rpc_debug & RPCDBG_##fac))
  59 # define dfprintk(fac, args...) do { ifdebug(fac) printk(args); } while(0)
  60 # define RPC_IFDEBUG(x)         x
  61 #else
  62 # define ifdebug(fac)           if (0)
  63 # define dfprintk(fac, args...) do ; while (0)
  64 # define RPC_IFDEBUG(x)
  65 #endif
  66
  67 #ifdef RPC_PROFILE
  68 # define pprintk(args...)       printk(## args)
  69 #else
  70 # define pprintk(args...)       do ; while (0)
  71 #endif
  72
  73 /*
  74  * Sysctl interface for RPC debugging
  75  */
  76 #ifdef RPC_DEBUG
  77 void            rpc_register_sysctl(void);
  78 void            rpc_unregister_sysctl(void);
  79 #endif
  80
  81 #endif /* __KERNEL__ */
  82
  83 /*
  84  * Declarations for the sysctl debug interface, which allows to read or
  85  * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
  86  * module currently registers its sysctl table dynamically, the sysctl path
  87  * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
  88  */
  89 #define CTL_SUNRPC      7249    /* arbitrary and hopefully unused */
  90
  91 enum {
  92         CTL_RPCDEBUG = 1,
  93         CTL_NFSDEBUG,
  94         CTL_NFSDDEBUG,
  95         CTL_NLMDEBUG,
  96         CTL_SLOTTABLE_UDP,
  97         CTL_SLOTTABLE_TCP,
  98         CTL_MIN_RESVPORT,
  99         CTL_MAX_RESVPORT,
 100 };
 101
 102 #endif /* _LINUX_SUNRPC_DEBUG_H_ */