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 /*!Registered*/, 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)
DBG_FUNC(FTL)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)
DBG_FUNC(MEM)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
DbgSetLevel(unsigned long dbgMask)126 DbgSetLevel(unsigned long dbgMask)
127 {
128 	myDriverDebugHandle.dbgMask = dbgMask | (DL_EVL | DL_FTL | DL_LOG);
129 }
130 /*****************************************************************************/
131 void
DbgDeregister(void)132 DbgDeregister(void)
133 {
134 	if (myDriverDebugHandle.dbg_end)
135 	{
136 		(myDriverDebugHandle.dbg_end)(&myDriverDebugHandle);
137 	}
138 	memset(&myDriverDebugHandle, 0, sizeof(myDriverDebugHandle));
139 }
xdi_dbg_xlog(char * x,...)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 */
157