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debuglib.c
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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
30 static DIVA_DI_PRINTF dprintf;
31 #else /* DIVA_NO_DEBUGLIB */
32 
33 _DbgHandle_ myDriverDebugHandle = { 0 , DBG_HANDLE_VERSION };
34 DIVA_DI_PRINTF dprintf = no_printf;
35 /*****************************************************************************/
36 #define DBG_FUNC(name) \
37  void \
38  myDbgPrint_##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  } }
46 DBG_FUNC(LOG)
47 DBG_FUNC(FTL)
48 DBG_FUNC(ERR)
49 DBG_FUNC(TRC)
50 DBG_FUNC(MXLOG)
51 DBG_FUNC(FTL_MXLOG)
52 void
53 myDbgPrint_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  } }
61 DBG_FUNC(REG)
62 DBG_FUNC(MEM)
63 DBG_FUNC(SPL)
64 DBG_FUNC(IRP)
65 DBG_FUNC(TIM)
66 DBG_FUNC(BLK)
67 DBG_FUNC(TAPI)
68 DBG_FUNC(NDIS)
69 DBG_FUNC(CONN)
70 DBG_FUNC(STAT)
71 DBG_FUNC(SEND)
72 DBG_FUNC(RECV)
73 DBG_FUNC(PRV0)
74 DBG_FUNC(PRV1)
75 DBG_FUNC(PRV2)
76 DBG_FUNC(PRV3)
77 /*****************************************************************************/
78 int
79 DbgRegister(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 /*****************************************************************************/
125 void
126 DbgSetLevel(unsigned long dbgMask)
127 {
128  myDriverDebugHandle.dbgMask = dbgMask | (DL_EVL | DL_FTL | DL_LOG);
129 }
130 /*****************************************************************************/
131 void
132 DbgDeregister(void)
133 {
134  if (myDriverDebugHandle.dbg_end)
135  {
136  (myDriverDebugHandle.dbg_end)(&myDriverDebugHandle);
137  }
138  memset(&myDriverDebugHandle, 0, sizeof(myDriverDebugHandle));
139 }
140 void 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 */
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