LXR linux/drivers/isdn/hardware/eicon/debuglib.c

   1
   2/*
   3 *
   4  Copyright (c) Eicon Networks, 2002.
   5 *
   6  This source file is supplied for the use with
   7  Eicon Networks range of DIVA Server Adapters.
   8 *
   9  Eicon File Revision :    2.1
  10 *
  11  This program is free software; you can redistribute it and/or modify
  12  it under the terms of the GNU General Public License as published by
  13  the Free Software Foundation; either version 2, or (at your option)
  14  any later version.
  15 *
  16  This program is distributed in the hope that it will be useful,
  17  but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
  18  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  19  See the GNU General Public License for more details.
  20 *
  21  You should have received a copy of the GNU General Public License
  22  along with this program; if not, write to the Free Software
  23  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24 *
  25 */
  26
  27#include "debuglib.h"
  28
  29#ifdef DIVA_NO_DEBUGLIB
  30static DIVA_DI_PRINTF dprintf;
  31#else /* DIVA_NO_DEBUGLIB */
  32 
  33_DbgHandle_ myDriverDebugHandle = { 0 /*!Registered*/, DBG_HANDLE_VERSION };
  34DIVA_DI_PRINTF dprintf = no_printf;
  35/*****************************************************************************/
  36#define DBG_FUNC(name) \
  37void  \
  38myDbgPrint_##name (char *format, ...) \
  39{ va_list ap ; \
  40 if ( myDriverDebugHandle.dbg_prt ) \
  41 { va_start (ap, format) ; \
  42  (myDriverDebugHandle.dbg_prt) \
  43   (myDriverDebugHandle.id, DLI_##name, format, ap) ; \
  44  va_end (ap) ; \
  45} }
  46DBG_FUNC(LOG)
  47DBG_FUNC(FTL)
  48DBG_FUNC(ERR)
  49DBG_FUNC(TRC)
  50DBG_FUNC(MXLOG)
  51DBG_FUNC(FTL_MXLOG)
  52void 
  53myDbgPrint_EVL (long msgID, ...)
  54{ va_list ap ;
  55 if ( myDriverDebugHandle.dbg_ev )
  56 { va_start (ap, msgID) ;
  57  (myDriverDebugHandle.dbg_ev)
  58   (myDriverDebugHandle.id, (unsigned long)msgID, ap) ;
  59  va_end (ap) ;
  60} }
  61DBG_FUNC(REG)
  62DBG_FUNC(MEM)
  63DBG_FUNC(SPL)
  64DBG_FUNC(IRP)
  65DBG_FUNC(TIM)
  66DBG_FUNC(BLK)
  67DBG_FUNC(TAPI)
  68DBG_FUNC(NDIS)
  69DBG_FUNC(CONN)
  70DBG_FUNC(STAT)
  71DBG_FUNC(SEND)
  72DBG_FUNC(RECV)
  73DBG_FUNC(PRV0)
  74DBG_FUNC(PRV1)
  75DBG_FUNC(PRV2)
  76DBG_FUNC(PRV3)
  77/*****************************************************************************/
  78int
  79DbgRegister (char *drvName, char *drvTag, unsigned long dbgMask)
  80{
  81 int len;
  82/*
  83 * deregister (if already registered) and zero out myDriverDebugHandle
  84 */
  85 DbgDeregister () ;
  86/*
  87 * initialize the debug handle
  88 */
  89 myDriverDebugHandle.Version = DBG_HANDLE_VERSION ;
  90 myDriverDebugHandle.id  = -1 ;
  91 myDriverDebugHandle.dbgMask = dbgMask | (DL_EVL | DL_FTL | DL_LOG) ;
  92 len = strlen (drvName) ;
  93 memcpy (myDriverDebugHandle.drvName, drvName,
  94         (len < sizeof(myDriverDebugHandle.drvName)) ?
  95    len : sizeof(myDriverDebugHandle.drvName) - 1) ;
  96 len = strlen (drvTag) ;
  97 memcpy (myDriverDebugHandle.drvTag, drvTag,
  98         (len < sizeof(myDriverDebugHandle.drvTag)) ?
  99    len : sizeof(myDriverDebugHandle.drvTag) - 1) ;
 100/*
 101 * Try to register debugging via old (and only) interface
 102 */
 103 dprintf("\000\377", &myDriverDebugHandle) ;
 104 if ( myDriverDebugHandle.dbg_prt )
 105 {
 106  return (1) ;
 107 }
 108/*
 109 * Check if we registered with an old maint driver (see debuglib.h)
 110 */
 111 if ( myDriverDebugHandle.dbg_end != NULL
 112   /* location of 'dbg_prt' in _OldDbgHandle_ struct */
 113   && (myDriverDebugHandle.regTime.LowPart ||
 114       myDriverDebugHandle.regTime.HighPart  ) )
 115   /* same location as in _OldDbgHandle_ struct */
 116 {
 117  dprintf("%s: Cannot log to old maint driver !", drvName) ;
 118  myDriverDebugHandle.dbg_end =
 119  ((_OldDbgHandle_ *)&myDriverDebugHandle)->dbg_end ;
 120  DbgDeregister () ;
 121 }
 122 return (0) ;
 123}
 124/*****************************************************************************/
 125void
 126DbgSetLevel (unsigned long dbgMask)
 127{
 128 myDriverDebugHandle.dbgMask = dbgMask | (DL_EVL | DL_FTL | DL_LOG) ;
 129}
 130/*****************************************************************************/
 131void
 132DbgDeregister (void)
 133{
 134 if ( myDriverDebugHandle.dbg_end )
 135 {
 136  (myDriverDebugHandle.dbg_end)(&myDriverDebugHandle) ;
 137 }
 138 memset (&myDriverDebugHandle, 0, sizeof(myDriverDebugHandle)) ;
 139}
 140void  xdi_dbg_xlog (char* x, ...) {
 141 va_list ap;
 142 va_start (ap, x);
 143 if (myDriverDebugHandle.dbg_end &&
 144   (myDriverDebugHandle.dbg_irq || myDriverDebugHandle.dbg_old) &&
 145   (myDriverDebugHandle.dbgMask & DL_STAT)) {
 146  if (myDriverDebugHandle.dbg_irq) {
 147   (*(myDriverDebugHandle.dbg_irq))(myDriverDebugHandle.id,
 148       (x[0] != 0) ? DLI_TRC : DLI_XLOG, x, ap);
 149  } else {
 150   (*(myDriverDebugHandle.dbg_old))(myDriverDebugHandle.id, x, ap);
 151  }
 152 }
 153 va_end(ap);
 154}
 155/*****************************************************************************/
 156#endif /* DIVA_NO_DEBUGLIB */
 157