int
DbgRegister (char *drvName, char *drvTag, unsigned long dbgMask)
{
int len;
/*
* deregister (if already registered) and zero out myDriverDebugHandle
*/
DbgDeregister () ;
/*
* initialize the debug handle
*/
myDriverDebugHandle.Version = DBG_HANDLE_VERSION ;
myDriverDebugHandle.id = -1 ;
myDriverDebugHandle.dbgMask = dbgMask | (DL_EVL | DL_FTL | DL_LOG) ;
len = strlen (drvName) ;
memcpy (myDriverDebugHandle.drvName, drvName,
(len < sizeof(myDriverDebugHandle.drvName)) ?
len : sizeof(myDriverDebugHandle.drvName) - 1) ;
len = strlen (drvTag) ;
memcpy (myDriverDebugHandle.drvTag, drvTag,
(len < sizeof(myDriverDebugHandle.drvTag)) ?
len : sizeof(myDriverDebugHandle.drvTag) - 1) ;
/*
* Try to register debugging via old (and only) interface
*/
dprintf("\000\377", &myDriverDebugHandle) ;
if ( myDriverDebugHandle.dbg_prt )
{
return (1) ;
}
/*
* Check if we registered with an old maint driver (see debuglib.h)
*/
if ( myDriverDebugHandle.dbg_end != NULL
/* location of 'dbg_prt' in _OldDbgHandle_ struct */
&& (myDriverDebugHandle.regTime.LowPart ||
myDriverDebugHandle.regTime.HighPart ) )
/* same location as in _OldDbgHandle_ struct */
{
dprintf("%s: Cannot log to old maint driver !", drvName) ;
myDriverDebugHandle.dbg_end =
((_OldDbgHandle_ *)&myDriverDebugHandle)->dbg_end ;
DbgDeregister () ;
}
return (0) ;
}
/*
* stop debug
*/
static void stop_dbg(void)
{
DbgDeregister();
memset(&MAdapter, 0, sizeof(MAdapter));
dprintf = no_printf;
}
