diff --git a/drivers/isdn/hardware/eicon/debug.c b/drivers/isdn/hardware/eicon/debug.c
new file mode 100644
index 0000000..6851c62
--- /dev/null
+++ b/drivers/isdn/hardware/eicon/debug.c
@@ -0,0 +1,2133 @@
+#include "platform.h"
+#include "pc.h"
+#include "di_defs.h"
+#include "debug_if.h"
+#include "divasync.h"
+#include "kst_ifc.h"
+#include "maintidi.h"
+#include "man_defs.h"
+
+/*
+  LOCALS
+  */
+#define DBG_MAGIC (0x47114711L)
+
+static void DI_register (void *arg);
+static void DI_deregister (pDbgHandle hDbg);
+static void DI_format (int do_lock, word id, int type, char *format, va_list argument_list);
+static void DI_format_locked   (word id, int type, char *format, va_list argument_list);
+static void DI_format_old (word id, char *format, va_list ap) { }
+static void DiProcessEventLog (unsigned short id, unsigned long msgID, va_list ap) { }
+static void single_p (byte * P, word * PLength, byte Id);
+static void diva_maint_xdi_cb (ENTITY* e);
+static word SuperTraceCreateReadReq (byte* P, const char* path);
+static int diva_mnt_cmp_nmbr (const char* nmbr);
+static void diva_free_dma_descriptor (IDI_CALL request, int nr);
+static int diva_get_dma_descriptor (IDI_CALL request, dword *dma_magic);
+void diva_mnt_internal_dprintf (dword drv_id, dword type, char* p, ...);
+
+static dword MaxDumpSize = 256 ;
+static dword MaxXlogSize = 2 + 128 ;
+static char  TraceFilter[DIVA_MAX_SELECTIVE_FILTER_LENGTH+1];
+static int TraceFilterIdent   = -1;
+static int TraceFilterChannel = -1;
+
+typedef struct _diva_maint_client {
+  dword       sec;
+  dword       usec;
+  pDbgHandle  hDbg;
+  char        drvName[128];
+  dword       dbgMask;
+  dword       last_dbgMask;
+  IDI_CALL    request;
+  _DbgHandle_ Dbg;
+  int         logical;
+  int         channels;
+  diva_strace_library_interface_t* pIdiLib;
+  BUFFERS     XData;
+  char        xbuffer[2048+512];
+  byte*       pmem;
+  int         request_pending;
+  int         dma_handle;
+} diva_maint_client_t;
+static diva_maint_client_t clients[MAX_DESCRIPTORS];
+
+static void diva_change_management_debug_mask (diva_maint_client_t* pC, dword old_mask);
+
+static void diva_maint_error (void* user_context,
+                              diva_strace_library_interface_t* hLib,
+                              int Adapter,
+                              int error,
+                              const char* file,
+                              int line);
+static void diva_maint_state_change_notify (void* user_context,
+                                            diva_strace_library_interface_t* hLib,
+                                            int Adapter,
+                                            diva_trace_line_state_t* channel,
+                                            int notify_subject);
+static void diva_maint_trace_notify (void* user_context,
+                                     diva_strace_library_interface_t* hLib,
+                                     int Adapter,
+                                     void* xlog_buffer,
+                                     int length);
+
+
+
+typedef struct MSG_QUEUE {
+	dword	Size;		/* total size of queue (constant)	*/
+	byte	*Base;		/* lowest address (constant)		*/
+	byte	*High;		/* Base + Size (constant)		*/
+	byte	*Head;		/* first message in queue (if any)	*/
+	byte	*Tail;		/* first free position			*/
+	byte	*Wrap;		/* current wraparound position 		*/
+	dword	Count;		/* current no of bytes in queue		*/
+} MSG_QUEUE;
+
+typedef struct MSG_HEAD {
+	volatile dword	Size;		/* size of data following MSG_HEAD	*/
+#define	MSG_INCOMPLETE	0x8000	/* ored to Size until queueCompleteMsg 	*/
+} MSG_HEAD;
+
+#define queueCompleteMsg(p) do{ ((MSG_HEAD *)p - 1)->Size &= ~MSG_INCOMPLETE; }while(0)
+#define queueCount(q)	((q)->Count)
+#define MSG_NEED(size) \
+	( (sizeof(MSG_HEAD) + size + sizeof(dword) - 1) & ~(sizeof(dword) - 1) )
+
+static void queueInit (MSG_QUEUE *Q, byte *Buffer, dword sizeBuffer) {
+	Q->Size = sizeBuffer;
+	Q->Base = Q->Head = Q->Tail = Buffer;
+	Q->High = Buffer + sizeBuffer;
+	Q->Wrap = NULL;
+	Q->Count= 0;
+}
+
+static byte *queueAllocMsg (MSG_QUEUE *Q, word size) {
+	/* Allocate 'size' bytes at tail of queue which will be filled later
+   * directly with callers own message header info and/or message.
+   * An 'alloced' message is marked incomplete by oring the 'Size' field
+   * with MSG_INCOMPLETE.
+   * This must be reset via queueCompleteMsg() after the message is filled.
+   * As long as a message is marked incomplete queuePeekMsg() will return
+   * a 'queue empty' condition when it reaches such a message.  */
+
+	MSG_HEAD *Msg;
+	word need = MSG_NEED(size);
+
+	if (Q->Tail == Q->Head) {
+		if (Q->Wrap || need > Q->Size) {
+			return NULL; /* full */
+		}
+		goto alloc; /* empty */
+	}
+	
+	if (Q->Tail > Q->Head) {
+		if (Q->Tail + need <= Q->High) goto alloc; /* append */
+		if (Q->Base + need > Q->Head) {
+			return NULL; /* too much */
+		}
+		/* wraparound the queue (but not the message) */
+		Q->Wrap = Q->Tail;
+		Q->Tail = Q->Base;
+		goto alloc;
+	}
+
+	if (Q->Tail + need > Q->Head) {
+		return NULL; /* too much */
+	}
+
+alloc:
+	Msg = (MSG_HEAD *)Q->Tail;
+
+	Msg->Size = size | MSG_INCOMPLETE;
+
+	Q->Tail	 += need;
+	Q->Count += size;
+
+
+
+	return ((byte*)(Msg + 1));
+}
+
+static void queueFreeMsg (MSG_QUEUE *Q) {
+/* Free the message at head of queue */
+
+	word size = ((MSG_HEAD *)Q->Head)->Size & ~MSG_INCOMPLETE;
+
+	Q->Head  += MSG_NEED(size);
+	Q->Count -= size;
+
+	if (Q->Wrap) {
+		if (Q->Head >= Q->Wrap) {
+			Q->Head = Q->Base;
+			Q->Wrap = NULL;
+		}
+	} else if (Q->Head >= Q->Tail) {
+		Q->Head = Q->Tail = Q->Base;
+	}
+}
+
+static byte *queuePeekMsg (MSG_QUEUE *Q, word *size) {
+	/* Show the first valid message in queue BUT DON'T free the message.
+   * After looking on the message contents it can be freed queueFreeMsg()
+   * or simply remain in message queue.  */
+
+	MSG_HEAD *Msg = (MSG_HEAD *)Q->Head;
+
+	if (((byte *)Msg == Q->Tail && !Q->Wrap) ||
+	    (Msg->Size & MSG_INCOMPLETE)) {
+		return NULL;
+	} else {
+		*size = Msg->Size;
+		return ((byte *)(Msg + 1));
+	}
+}
+
+/*
+  Message queue header
+  */
+static MSG_QUEUE*          dbg_queue;
+static byte*               dbg_base;
+static int                 external_dbg_queue;
+static diva_os_spin_lock_t dbg_q_lock;
+static diva_os_spin_lock_t dbg_adapter_lock;
+static int                 dbg_q_busy;
+static volatile dword      dbg_sequence;
+static dword               start_sec;
+static dword               start_usec;
+
+/*
+	INTERFACE:
+    Initialize run time queue structures.
+    base:    base of the message queue
+    length:  length of the message queue
+    do_init: perfor queue reset
+
+    return:  zero on success, -1 on error
+  */
+int diva_maint_init (byte* base, unsigned long length, int do_init) {
+  if (dbg_queue || (!base) || (length < (4096*4))) {
+    return (-1);
+  }
+
+  TraceFilter[0]     =  0;
+  TraceFilterIdent   = -1;
+  TraceFilterChannel = -1;
+
+  dbg_base = base;
+
+  diva_os_get_time (&start_sec, &start_usec);
+
+  *(dword*)base  = (dword)DBG_MAGIC; /* Store Magic */
+  base   += sizeof(dword);
+  length -= sizeof(dword);
+
+  *(dword*)base = 2048; /* Extension Field Length */
+  base   += sizeof(dword);
+  length -= sizeof(dword);
+
+  strcpy (base, "KERNEL MODE BUFFER\n");
+  base   += 2048;
+  length -= 2048;
+
+  *(dword*)base = 0; /* Terminate extension */
+  base   += sizeof(dword);
+  length -= sizeof(dword);
+
+  *(void**)base  =  (void*)(base+sizeof(void*)); /* Store Base  */
+  base   += sizeof(void*);
+  length -= sizeof(void*);
+
+  dbg_queue = (MSG_QUEUE*)base;
+  queueInit (dbg_queue, base + sizeof(MSG_QUEUE), length - sizeof(MSG_QUEUE) - 512);
+  external_dbg_queue = 0;
+
+  if (!do_init) {
+    external_dbg_queue = 1; /* memory was located on the external device */
+  }
+
+
+	if (diva_os_initialize_spin_lock (&dbg_q_lock, "dbg_init")) {
+    dbg_queue = NULL;
+    dbg_base = NULL;
+    external_dbg_queue = 0;
+		return (-1);
+  }
+
+	if (diva_os_initialize_spin_lock (&dbg_adapter_lock, "dbg_init")) {
+    diva_os_destroy_spin_lock(&dbg_q_lock, "dbg_init");
+    dbg_queue = NULL;
+    dbg_base = NULL;
+    external_dbg_queue = 0;
+		return (-1);
+  }
+
+  return (0);
+}
+
+/*
+  INTERFACE:
+    Finit at unload time
+    return address of internal queue or zero if queue
+    was external
+  */
+void* diva_maint_finit (void) {
+  void* ret = (void*)dbg_base;
+  int i;
+
+  dbg_queue = NULL;
+  dbg_base  = NULL;
+
+  if (ret) {
+    diva_os_destroy_spin_lock(&dbg_q_lock, "dbg_finit");
+    diva_os_destroy_spin_lock(&dbg_adapter_lock, "dbg_finit");
+  }
+
+  if (external_dbg_queue) {
+    ret = NULL;
+  }
+  external_dbg_queue = 0;
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].pmem) {
+      diva_os_free (0, clients[i].pmem);
+    }
+  }
+
+  return (ret);
+}
+
+/*
+  INTERFACE:
+    Return amount of messages in debug queue
+  */
+dword diva_dbg_q_length (void) {
+	return (dbg_queue ? queueCount(dbg_queue)	: 0);
+}
+
+/*
+  INTERFACE:
+    Lock message queue and return the pointer to the first
+    entry.
+  */
+diva_dbg_entry_head_t* diva_maint_get_message (word* size,
+                                               diva_os_spin_lock_magic_t* old_irql) {
+  diva_dbg_entry_head_t*     pmsg = NULL;
+
+  diva_os_enter_spin_lock (&dbg_q_lock, old_irql, "read");
+  if (dbg_q_busy) {
+    diva_os_leave_spin_lock (&dbg_q_lock, old_irql, "read_busy");
+    return NULL;
+  }
+  dbg_q_busy = 1;
+
+  if (!(pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, size))) {
+    dbg_q_busy = 0;
+    diva_os_leave_spin_lock (&dbg_q_lock, old_irql, "read_empty");
+  }
+
+  return (pmsg);
+}
+
+/*
+  INTERFACE:
+    acknowledge last message and unlock queue
+  */
+void diva_maint_ack_message (int do_release,
+                             diva_os_spin_lock_magic_t* old_irql) {
+	if (!dbg_q_busy) {
+		return;
+	}
+	if (do_release) {
+		queueFreeMsg (dbg_queue);
+	}
+	dbg_q_busy = 0;
+  diva_os_leave_spin_lock (&dbg_q_lock, old_irql, "read_ack");
+}
+
+
+/*
+  INTERFACE:
+    PRT COMP function used to register
+    with MAINT adapter or log in compatibility
+    mode in case older driver version is connected too
+  */
+void diva_maint_prtComp (char *format, ...) {
+  void    *hDbg;
+  va_list ap;
+
+  if (!format)
+    return;
+
+  va_start(ap, format);
+
+  /*
+    register to new log driver functions
+   */
+  if ((format[0] == 0) && ((unsigned char)format[1] == 255)) {
+    hDbg = va_arg(ap, void *); /* ptr to DbgHandle */
+    DI_register (hDbg);
+  }
+
+  va_end (ap);
+}
+
+static void DI_register (void *arg) {
+  diva_os_spin_lock_magic_t old_irql;
+  dword sec, usec;
+  pDbgHandle  	hDbg ;
+  int id, free_id = -1, best_id = 0;
+  
+  diva_os_get_time (&sec, &usec);
+
+	hDbg = (pDbgHandle)arg ;
+  /*
+    Check for bad args, specially for the old obsolete debug handle
+    */
+  if ((hDbg == NULL) ||
+      ((hDbg->id == 0) && (((_OldDbgHandle_ *)hDbg)->id == -1)) ||
+      (hDbg->Registered != 0)) {
+		return ;
+  }
+
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "register");
+
+  for (id = 1; id < (sizeof(clients)/sizeof(clients[0])); id++) {
+    if (clients[id].hDbg == hDbg) {
+      /*
+        driver already registered
+        */
+      diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+      return;
+    }
+    if (clients[id].hDbg) { /* slot is busy */
+      continue;
+    }
+    free_id = id;
+    if (!strcmp (clients[id].drvName, hDbg->drvName)) {
+      /*
+        This driver was already registered with this name
+        and slot is still free - reuse it
+        */
+      best_id = 1;
+      break;
+    }
+    if (!clients[id].hDbg) { /* slot is busy */
+      break;
+    }
+  }
+
+  if (free_id != -1) {
+    diva_dbg_entry_head_t* pmsg = NULL;
+    int len;
+    char tmp[256];
+    word size;
+
+    /*
+      Register new driver with id == free_id
+      */
+    clients[free_id].hDbg = hDbg;
+    clients[free_id].sec  = sec;
+    clients[free_id].usec = usec;
+    strcpy (clients[free_id].drvName, hDbg->drvName);
+
+    clients[free_id].dbgMask = hDbg->dbgMask;
+    if (best_id) {
+      hDbg->dbgMask |= clients[free_id].last_dbgMask;
+    } else {
+      clients[free_id].last_dbgMask = 0;
+    }
+
+    hDbg->Registered = DBG_HANDLE_REG_NEW ;
+    hDbg->id         = (byte)free_id;
+    hDbg->dbg_end    = DI_deregister;
+    hDbg->dbg_prt    = DI_format_locked;
+    hDbg->dbg_ev     = DiProcessEventLog;
+    hDbg->dbg_irq    = DI_format_locked;
+    if (hDbg->Version > 0) {
+      hDbg->dbg_old  = DI_format_old;
+    }
+    hDbg->next       = (pDbgHandle)DBG_MAGIC;
+
+    /*
+      Log driver register, MAINT driver ID is '0'
+      */
+    len = sprintf (tmp, "DIMAINT - drv # %d = '%s' registered",
+                   free_id, hDbg->drvName);
+
+    while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                        (word)(len+1+sizeof(*pmsg))))) {
+      if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+        queueFreeMsg (dbg_queue);
+      } else {
+        break;
+      }
+    }
+
+    if (pmsg) {
+      pmsg->sequence    = dbg_sequence++;
+      pmsg->time_sec    = sec;
+      pmsg->time_usec   = usec;
+      pmsg->facility    = MSG_TYPE_STRING;
+      pmsg->dli         = DLI_REG;
+      pmsg->drv_id      = 0; /* id 0 - DIMAINT */
+      pmsg->di_cpu      = 0;
+      pmsg->data_length = len+1;
+
+      memcpy (&pmsg[1], tmp, len+1);
+		  queueCompleteMsg (pmsg);
+      diva_maint_wakeup_read();
+    }
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+}
+
+static void DI_deregister (pDbgHandle hDbg) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  dword sec, usec;
+  int i;
+  word size;
+  byte* pmem = NULL;
+
+  diva_os_get_time (&sec, &usec);
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "read");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "read");
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].hDbg == hDbg) {
+      diva_dbg_entry_head_t* pmsg;
+      char tmp[256];
+      int len;
+
+      clients[i].hDbg = NULL;
+
+      hDbg->id       = -1;
+      hDbg->dbgMask  = 0;
+      hDbg->dbg_end  = NULL;
+      hDbg->dbg_prt  = NULL;
+      hDbg->dbg_irq  = NULL;
+      if (hDbg->Version > 0)
+        hDbg->dbg_old = NULL;
+      hDbg->Registered = 0;
+      hDbg->next     = NULL;
+
+      if (clients[i].pIdiLib) {
+        (*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
+        clients[i].pIdiLib = NULL;
+
+        pmem = clients[i].pmem;
+        clients[i].pmem = NULL;
+      }
+
+      /*
+        Log driver register, MAINT driver ID is '0'
+        */
+      len = sprintf (tmp, "DIMAINT - drv # %d = '%s' de-registered",
+                     i, hDbg->drvName);
+
+      while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                        (word)(len+1+sizeof(*pmsg))))) {
+        if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+          queueFreeMsg (dbg_queue);
+        } else {
+          break;
+        }
+      }
+
+      if (pmsg) {
+        pmsg->sequence    = dbg_sequence++;
+        pmsg->time_sec    = sec;
+        pmsg->time_usec   = usec;
+        pmsg->facility    = MSG_TYPE_STRING;
+        pmsg->dli         = DLI_REG;
+        pmsg->drv_id      = 0; /* id 0 - DIMAINT */
+        pmsg->di_cpu      = 0;
+        pmsg->data_length = len+1;
+
+        memcpy (&pmsg[1], tmp, len+1);
+  		  queueCompleteMsg (pmsg);
+        diva_maint_wakeup_read();
+      }
+
+      break;
+    }
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "read_ack");
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "read_ack");
+
+  if (pmem) {
+    diva_os_free (0, pmem);
+  }
+}
+
+static void DI_format_locked (unsigned short id,
+                       int type,
+                       char *format,
+                       va_list argument_list) {
+  DI_format (1, id, type, format, argument_list);
+}
+
+static void DI_format (int do_lock,
+                       unsigned short id,
+                       int type,
+                       char *format,
+                       va_list ap) {
+  diva_os_spin_lock_magic_t old_irql;
+  dword sec, usec;
+  diva_dbg_entry_head_t* pmsg = NULL;
+  dword length;
+  word size;
+  static char fmtBuf[MSG_FRAME_MAX_SIZE+sizeof(*pmsg)+1];
+  char          *data;
+  unsigned short code;
+
+  if (diva_os_in_irq()) {
+    dbg_sequence++;
+    return;
+  }
+
+	if ((!format) ||
+			((TraceFilter[0] != 0) && ((TraceFilterIdent < 0) || (TraceFilterChannel < 0)))) {
+		return;
+	}
+
+
+  
+  diva_os_get_time (&sec, &usec);
+
+  if (do_lock) {
+    diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "format");
+  }
+
+  switch (type) {
+  case DLI_MXLOG :
+  case DLI_BLK :
+  case DLI_SEND:
+  case DLI_RECV:
+    if (!(length = va_arg(ap, unsigned long))) {
+      break;
+    }
+    if (length > MaxDumpSize) {
+      length = MaxDumpSize;
+    }
+    while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                (word)length+sizeof(*pmsg)))) {
+      if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+        queueFreeMsg (dbg_queue);
+      } else {
+        break;
+      }
+    }
+    if (pmsg) {
+      memcpy (&pmsg[1], format, length);
+      pmsg->sequence    = dbg_sequence++;
+      pmsg->time_sec    = sec;
+      pmsg->time_usec   = usec;
+      pmsg->facility    = MSG_TYPE_BINARY ;
+      pmsg->dli         = type; /* DLI_XXX */
+      pmsg->drv_id      = id;   /* driver MAINT id */
+      pmsg->di_cpu      = 0;
+      pmsg->data_length = length;
+      queueCompleteMsg (pmsg);
+    }
+		break;
+
+  case DLI_XLOG: {
+    byte* p;
+    data    = va_arg(ap, char*);
+    code    = (unsigned short)va_arg(ap, unsigned int);
+    length	= (unsigned long) va_arg(ap, unsigned int);
+
+    if (length > MaxXlogSize)
+      length = MaxXlogSize;
+
+    while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                  (word)length+sizeof(*pmsg)+2))) {
+      if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+        queueFreeMsg (dbg_queue);
+      } else {
+        break;
+      }
+    }
+    if (pmsg) {
+      p = (byte*)&pmsg[1];
+      p[0] = (char)(code) ;
+      p[1] = (char)(code >> 8) ;
+      if (data && length) {
+        memcpy (&p[2], &data[0], length) ;
+      }
+      length += 2 ;
+
+      pmsg->sequence    = dbg_sequence++;
+      pmsg->time_sec    = sec;
+      pmsg->time_usec   = usec;
+      pmsg->facility    = MSG_TYPE_BINARY ;
+      pmsg->dli         = type; /* DLI_XXX */
+      pmsg->drv_id      = id;   /* driver MAINT id */
+      pmsg->di_cpu      = 0;
+      pmsg->data_length = length;
+      queueCompleteMsg (pmsg);
+    }
+  } break;
+
+  case DLI_LOG :
+  case DLI_FTL :
+  case DLI_ERR :
+  case DLI_TRC :
+  case DLI_REG :
+  case DLI_MEM :
+  case DLI_SPL :
+  case DLI_IRP :
+  case DLI_TIM :
+  case DLI_TAPI:
+  case DLI_NDIS:
+  case DLI_CONN:
+  case DLI_STAT:
+  case DLI_PRV0:
+  case DLI_PRV1:
+  case DLI_PRV2:
+  case DLI_PRV3:
+    if ((length = (unsigned long)vsprintf (&fmtBuf[0], format, ap)) > 0) {
+      length += (sizeof(*pmsg)+1);
+
+      while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                                          (word)length))) {
+        if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+          queueFreeMsg (dbg_queue);
+        } else {
+          break;
+        }
+      }
+
+      pmsg->sequence    = dbg_sequence++;
+      pmsg->time_sec    = sec;
+      pmsg->time_usec   = usec;
+      pmsg->facility    = MSG_TYPE_STRING;
+      pmsg->dli         = type; /* DLI_XXX */
+      pmsg->drv_id      = id;   /* driver MAINT id */
+      pmsg->di_cpu      = 0;
+      pmsg->data_length = length - sizeof(*pmsg);
+
+      memcpy (&pmsg[1], fmtBuf, pmsg->data_length);
+		  queueCompleteMsg (pmsg);
+    }
+    break;
+
+  } /* switch type */
+
+
+  if (queueCount(dbg_queue)) {
+    diva_maint_wakeup_read();
+  }
+
+  if (do_lock) {
+    diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "format");
+  }
+}
+
+/*
+  Write driver ID and driver revision to callers buffer
+  */
+int diva_get_driver_info (dword id, byte* data, int data_length) {
+  diva_os_spin_lock_magic_t old_irql;
+  byte* p = data;
+  int to_copy;
+
+  if (!data || !id || (data_length < 17) ||
+      (id >= (sizeof(clients)/sizeof(clients[0])))) {
+    return (-1);
+  }
+
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "driver info");
+
+  if (clients[id].hDbg) {
+    *p++ = 1;
+    *p++ = (byte)clients[id].sec; /* save seconds */
+    *p++ = (byte)(clients[id].sec >>  8);
+    *p++ = (byte)(clients[id].sec >> 16);
+    *p++ = (byte)(clients[id].sec >> 24);
+
+    *p++ = (byte)(clients[id].usec/1000); /* save mseconds */
+    *p++ = (byte)((clients[id].usec/1000) >>  8);
+    *p++ = (byte)((clients[id].usec/1000) >> 16);
+    *p++ = (byte)((clients[id].usec/1000) >> 24);
+
+    data_length -= 9;
+
+    if ((to_copy = MIN(strlen(clients[id].drvName), data_length-1))) {
+      memcpy (p, clients[id].drvName, to_copy);
+      p += to_copy;
+      data_length -= to_copy;
+      if ((data_length >= 4) && clients[id].hDbg->drvTag[0]) {
+        *p++ = '(';
+        data_length -= 1;
+        if ((to_copy = MIN(strlen(clients[id].hDbg->drvTag), data_length-2))) {
+          memcpy (p, clients[id].hDbg->drvTag, to_copy);
+          p += to_copy;
+          data_length -= to_copy;
+          if (data_length >= 2) {
+            *p++ = ')';
+            data_length--;
+          }
+        }
+      }
+    }
+  }
+  *p++ = 0;
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "driver info");
+
+  return (p - data);
+}
+
+int diva_get_driver_dbg_mask (dword id, byte* data) {
+  diva_os_spin_lock_magic_t old_irql;
+  int ret = -1;
+
+  if (!data || !id || (id >= (sizeof(clients)/sizeof(clients[0])))) {
+    return (-1);
+  }
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "driver info");
+
+  if (clients[id].hDbg) {
+    ret = 4;
+    *data++= (byte)(clients[id].hDbg->dbgMask);
+    *data++= (byte)(clients[id].hDbg->dbgMask >>  8);
+    *data++= (byte)(clients[id].hDbg->dbgMask >> 16);
+    *data++= (byte)(clients[id].hDbg->dbgMask >> 24);
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "driver info");
+
+  return (ret);
+}
+
+int diva_set_driver_dbg_mask (dword id, dword mask) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  int ret = -1;
+  
+
+  if (!id || (id >= (sizeof(clients)/sizeof(clients[0])))) {
+    return (-1);
+  }
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "dbg mask");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "dbg mask");
+
+  if (clients[id].hDbg) {
+    dword old_mask = clients[id].hDbg->dbgMask;
+    mask &= 0x7fffffff;
+    clients[id].hDbg->dbgMask = mask;
+    clients[id].last_dbgMask = (clients[id].hDbg->dbgMask | clients[id].dbgMask);
+    ret = 4;
+    diva_change_management_debug_mask (&clients[id], old_mask);
+  }
+
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "dbg mask");
+
+  if (clients[id].request_pending) {
+    clients[id].request_pending = 0;
+    (*(clients[id].request))((ENTITY*)(*(clients[id].pIdiLib->DivaSTraceGetHandle))(clients[id].pIdiLib->hLib));
+  }
+
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "dbg mask");
+
+  return (ret);
+}
+
+static int diva_get_idi_adapter_info (IDI_CALL request, dword* serial, dword* logical) {
+  IDI_SYNC_REQ sync_req;
+
+  sync_req.xdi_logical_adapter_number.Req = 0;
+  sync_req.xdi_logical_adapter_number.Rc = IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER;
+  (*request)((ENTITY *)&sync_req);
+  *logical = sync_req.xdi_logical_adapter_number.info.logical_adapter_number;
+
+  sync_req.GetSerial.Req = 0;
+  sync_req.GetSerial.Rc = IDI_SYNC_REQ_GET_SERIAL;
+  sync_req.GetSerial.serial = 0;
+  (*request)((ENTITY *)&sync_req);
+	*serial = sync_req.GetSerial.serial;
+
+  return (0);
+}
+
+/*
+  Register XDI adapter as MAINT compatible driver
+  */
+void diva_mnt_add_xdi_adapter (const DESCRIPTOR* d) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  dword sec, usec, logical, serial, org_mask;
+  int id, best_id = 0, free_id = -1;
+  char tmp[256];
+  diva_dbg_entry_head_t* pmsg = NULL;
+  int len;
+  word size;
+  byte* pmem;
+
+  diva_os_get_time (&sec, &usec);
+  diva_get_idi_adapter_info (d->request, &serial, &logical);
+  if (serial & 0xff000000) {
+    sprintf (tmp, "ADAPTER:%d SN:%u-%d",
+             (int)logical,
+             serial & 0x00ffffff,
+             (byte)(((serial & 0xff000000) >> 24) + 1));
+  } else {
+    sprintf (tmp, "ADAPTER:%d SN:%u", (int)logical, serial);
+  }
+
+  if (!(pmem = diva_os_malloc (0, DivaSTraceGetMemotyRequirement (d->channels)))) {
+    return;
+  }
+  memset (pmem, 0x00, DivaSTraceGetMemotyRequirement (d->channels));
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "register");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "register");
+
+  for (id = 1; id < (sizeof(clients)/sizeof(clients[0])); id++) {
+    if (clients[id].hDbg && (clients[id].request == d->request)) {
+      diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+      diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "register");
+      diva_os_free(0, pmem);
+      return;
+    }
+    if (clients[id].hDbg) { /* slot is busy */
+      continue;
+    }
+    if (free_id < 0) {
+      free_id = id;
+    }
+    if (!strcmp (clients[id].drvName, tmp)) {
+      /*
+        This driver was already registered with this name
+        and slot is still free - reuse it
+        */
+      free_id = id;
+      best_id = 1;
+      break;
+    }
+  }
+
+  if (free_id < 0) {
+    diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+    diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "register");
+    diva_os_free (0, pmem);
+    return;
+  }
+
+  id = free_id;
+  clients[id].request  = d->request;
+  clients[id].request_pending = 0;
+  clients[id].hDbg     = &clients[id].Dbg;
+  clients[id].sec      = sec;
+  clients[id].usec     = usec;
+  strcpy (clients[id].drvName,     tmp);
+  strcpy (clients[id].Dbg.drvName, tmp);
+  clients[id].Dbg.drvTag[0] = 0;
+  clients[id].logical  = (int)logical;
+  clients[id].channels = (int)d->channels;
+  clients[id].dma_handle = -1;
+
+  clients[id].Dbg.dbgMask    = 0;
+  clients[id].dbgMask        = clients[id].Dbg.dbgMask;
+  if (id) {
+    clients[id].Dbg.dbgMask |= clients[free_id].last_dbgMask;
+  } else {
+    clients[id].last_dbgMask = 0;
+  }
+  clients[id].Dbg.Registered = DBG_HANDLE_REG_NEW;
+  clients[id].Dbg.id         = (byte)id;
+  clients[id].Dbg.dbg_end    = DI_deregister;
+  clients[id].Dbg.dbg_prt    = DI_format_locked;
+  clients[id].Dbg.dbg_ev     = DiProcessEventLog;
+  clients[id].Dbg.dbg_irq    = DI_format_locked;
+  clients[id].Dbg.next       = (pDbgHandle)DBG_MAGIC;
+
+  {
+    diva_trace_library_user_interface_t diva_maint_user_ifc = { &clients[id],
+																							 diva_maint_state_change_notify,
+																							 diva_maint_trace_notify,
+																							 diva_maint_error };
+
+    /*
+      Attach to adapter management interface
+      */
+    if ((clients[id].pIdiLib =
+               DivaSTraceLibraryCreateInstance ((int)logical, &diva_maint_user_ifc, pmem))) {
+      if (((*(clients[id].pIdiLib->DivaSTraceLibraryStart))(clients[id].pIdiLib->hLib))) {
+        diva_mnt_internal_dprintf (0, DLI_ERR, "Adapter(%d) Start failed", (int)logical);
+        (*(clients[id].pIdiLib->DivaSTraceLibraryFinit))(clients[id].pIdiLib->hLib);
+        clients[id].pIdiLib = NULL;
+      }
+    } else {
+      diva_mnt_internal_dprintf (0, DLI_ERR, "A(%d) management init failed", (int)logical);
+    }
+  }
+
+  if (!clients[id].pIdiLib) {
+    clients[id].request = NULL;
+    clients[id].request_pending = 0;
+    clients[id].hDbg    = NULL;
+    diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+    diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "register");
+    diva_os_free (0, pmem);
+    return;
+  }
+
+  /*
+    Log driver register, MAINT driver ID is '0'
+    */
+  len = sprintf (tmp, "DIMAINT - drv # %d = '%s' registered",
+                 id, clients[id].Dbg.drvName);
+
+  while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                      (word)(len+1+sizeof(*pmsg))))) {
+    if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+      queueFreeMsg (dbg_queue);
+    } else {
+      break;
+    }
+  }
+
+  if (pmsg) {
+    pmsg->sequence    = dbg_sequence++;
+    pmsg->time_sec    = sec;
+    pmsg->time_usec   = usec;
+    pmsg->facility    = MSG_TYPE_STRING;
+    pmsg->dli         = DLI_REG;
+    pmsg->drv_id      = 0; /* id 0 - DIMAINT */
+    pmsg->di_cpu      = 0;
+    pmsg->data_length = len+1;
+
+    memcpy (&pmsg[1], tmp, len+1);
+    queueCompleteMsg (pmsg);
+    diva_maint_wakeup_read();
+  }
+
+  org_mask = clients[id].Dbg.dbgMask;
+  clients[id].Dbg.dbgMask = 0;
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "register");
+
+  if (clients[id].request_pending) {
+    clients[id].request_pending = 0;
+    (*(clients[id].request))((ENTITY*)(*(clients[id].pIdiLib->DivaSTraceGetHandle))(clients[id].pIdiLib->hLib));
+  }
+
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "register");
+
+	diva_set_driver_dbg_mask (id, org_mask);
+}
+
+/*
+  De-Register XDI adapter
+  */
+void diva_mnt_remove_xdi_adapter (const DESCRIPTOR* d) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  dword sec, usec;
+  int i;
+  word size;
+  byte* pmem = NULL;
+
+  diva_os_get_time (&sec, &usec);
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "read");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "read");
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].hDbg && (clients[i].request == d->request)) {
+      diva_dbg_entry_head_t* pmsg;
+      char tmp[256];
+      int len;
+
+      if (clients[i].pIdiLib) {
+        (*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
+        clients[i].pIdiLib = NULL;
+
+        pmem = clients[i].pmem;
+        clients[i].pmem = NULL;
+      }
+
+      clients[i].hDbg    = NULL;
+      clients[i].request_pending = 0;
+      if (clients[i].dma_handle >= 0) {
+        /*
+          Free DMA handle
+          */
+        diva_free_dma_descriptor (clients[i].request, clients[i].dma_handle);
+        clients[i].dma_handle = -1;
+      }
+      clients[i].request = NULL;
+
+      /*
+        Log driver register, MAINT driver ID is '0'
+        */
+      len = sprintf (tmp, "DIMAINT - drv # %d = '%s' de-registered",
+                     i, clients[i].Dbg.drvName);
+
+      memset (&clients[i].Dbg, 0x00, sizeof(clients[i].Dbg));
+
+      while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                                        (word)(len+1+sizeof(*pmsg))))) {
+        if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+          queueFreeMsg (dbg_queue);
+        } else {
+          break;
+        }
+      }
+
+      if (pmsg) {
+        pmsg->sequence    = dbg_sequence++;
+        pmsg->time_sec    = sec;
+        pmsg->time_usec   = usec;
+        pmsg->facility    = MSG_TYPE_STRING;
+        pmsg->dli         = DLI_REG;
+        pmsg->drv_id      = 0; /* id 0 - DIMAINT */
+        pmsg->di_cpu      = 0;
+        pmsg->data_length = len+1;
+
+        memcpy (&pmsg[1], tmp, len+1);
+  		  queueCompleteMsg (pmsg);
+        diva_maint_wakeup_read();
+      }
+
+      break;
+    }
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "read_ack");
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "read_ack");
+
+  if (pmem) {
+    diva_os_free (0, pmem);
+  }
+}
+
+/* ----------------------------------------------------------------
+     Low level interface for management interface client
+   ---------------------------------------------------------------- */
+/*
+  Return handle to client structure
+  */
+void* SuperTraceOpenAdapter   (int AdapterNumber) {
+  int i;
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].hDbg && clients[i].request && (clients[i].logical == AdapterNumber)) {
+      return (&clients[i]);
+    }
+  }
+
+  return NULL;
+}
+
+int SuperTraceCloseAdapter  (void* AdapterHandle) {
+  return (0);
+}
+
+int SuperTraceReadRequest (void* AdapterHandle, const char* name, byte* data) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+    byte* xdata = (byte*)&pC->xbuffer[0];
+    char tmp = 0;
+    word length;
+
+    if (!strcmp(name, "\\")) { /* Read ROOT */
+      name = &tmp;
+    }
+    length = SuperTraceCreateReadReq (xdata, name);
+    single_p (xdata, &length, 0); /* End Of Message */
+
+    e->Req        = MAN_READ;
+    e->ReqCh      = 0;
+    e->X->PLength = length;
+    e->X->P			  = (byte*)xdata;
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+int SuperTraceGetNumberOfChannels (void* AdapterHandle) {
+  if (AdapterHandle) {
+    diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+    return (pC->channels);
+  }
+
+  return (0);
+}
+
+int SuperTraceASSIGN (void* AdapterHandle, byte* data) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+    IDI_SYNC_REQ* preq;
+    char buffer[((sizeof(preq->xdi_extended_features)+4) > sizeof(ENTITY)) ? (sizeof(preq->xdi_extended_features)+4) : sizeof(ENTITY)];
+    char features[4];
+    word assign_data_length = 1;
+
+    features[0] = 0;
+    pC->xbuffer[0] = 0;
+    preq = (IDI_SYNC_REQ*)&buffer[0];
+    preq->xdi_extended_features.Req = 0;
+    preq->xdi_extended_features.Rc  = IDI_SYNC_REQ_XDI_GET_EXTENDED_FEATURES;
+    preq->xdi_extended_features.info.buffer_length_in_bytes = sizeof(features);
+    preq->xdi_extended_features.info.features = &features[0];
+
+    (*(pC->request))((ENTITY*)preq);
+
+    if ((features[0] & DIVA_XDI_EXTENDED_FEATURES_VALID) &&
+        (features[0] & DIVA_XDI_EXTENDED_FEATURE_MANAGEMENT_DMA)) {
+      dword rx_dma_magic;
+      if ((pC->dma_handle = diva_get_dma_descriptor (pC->request, &rx_dma_magic)) >= 0) {
+        pC->xbuffer[0] = LLI;
+        pC->xbuffer[1] = 8;
+        pC->xbuffer[2] = 0x40;
+        pC->xbuffer[3] = (byte)pC->dma_handle;
+        pC->xbuffer[4] = (byte)rx_dma_magic;
+        pC->xbuffer[5] = (byte)(rx_dma_magic >>  8);
+        pC->xbuffer[6] = (byte)(rx_dma_magic >> 16);
+        pC->xbuffer[7] = (byte)(rx_dma_magic >> 24);
+        pC->xbuffer[8] = (byte)DIVA_MAX_MANAGEMENT_TRANSFER_SIZE;
+        pC->xbuffer[9] = (byte)(DIVA_MAX_MANAGEMENT_TRANSFER_SIZE >> 8);
+        pC->xbuffer[10] = 0;
+
+        assign_data_length = 11;
+      }
+    } else {
+      pC->dma_handle = -1;
+    }
+
+    e->Id          = MAN_ID;
+    e->callback    = diva_maint_xdi_cb;
+    e->XNum        = 1;
+    e->X           = &pC->XData;
+    e->Req         = ASSIGN;
+    e->ReqCh       = 0;
+    e->X->PLength  = assign_data_length;
+    e->X->P        = (byte*)&pC->xbuffer[0];
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+int SuperTraceREMOVE (void* AdapterHandle) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+
+    e->XNum        = 1;
+    e->X           = &pC->XData;
+    e->Req         = REMOVE;
+    e->ReqCh       = 0;
+    e->X->PLength  = 1;
+    e->X->P        = (byte*)&pC->xbuffer[0];
+    pC->xbuffer[0] = 0;
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+int SuperTraceTraceOnRequest(void* hAdapter, const char* name, byte* data) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)hAdapter;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+    byte* xdata = (byte*)&pC->xbuffer[0];
+    char tmp = 0;
+    word length;
+
+    if (!strcmp(name, "\\")) { /* Read ROOT */
+      name = &tmp;
+    }
+    length = SuperTraceCreateReadReq (xdata, name);
+    single_p (xdata, &length, 0); /* End Of Message */
+    e->Req          = MAN_EVENT_ON;
+    e->ReqCh        = 0;
+    e->X->PLength   = length;
+    e->X->P			    = (byte*)xdata;
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+int SuperTraceWriteVar (void* AdapterHandle,
+                        byte* data,
+                        const char* name,
+                        void* var,
+                        byte type,
+                        byte var_length) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+    diva_man_var_header_t* pVar = (diva_man_var_header_t*)&pC->xbuffer[0];
+    word length = SuperTraceCreateReadReq ((byte*)pVar, name);
+
+    memcpy (&pC->xbuffer[length], var, var_length);
+    length += var_length;
+    pVar->length += var_length;
+    pVar->value_length = var_length;
+    pVar->type = type;
+    single_p ((byte*)pVar, &length, 0); /* End Of Message */
+
+    e->Req          = MAN_WRITE;
+    e->ReqCh			  = 0;
+    e->X->PLength   = length;
+    e->X->P			    = (byte*)pVar;
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+int SuperTraceExecuteRequest (void* AdapterHandle,
+                              const char* name,
+                              byte* data) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)AdapterHandle;
+
+  if (pC && pC->pIdiLib && pC->request) {
+    ENTITY* e = (ENTITY*)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
+    byte* xdata = (byte*)&pC->xbuffer[0];
+    word length;
+
+    length = SuperTraceCreateReadReq (xdata, name);
+    single_p (xdata, &length, 0); /* End Of Message */
+
+    e->Req          = MAN_EXECUTE;
+    e->ReqCh			  = 0;
+    e->X->PLength   = length;
+    e->X->P			    = (byte*)xdata;
+
+    pC->request_pending = 1;
+
+    return (0);
+  }
+
+  return (-1);
+}
+
+static word SuperTraceCreateReadReq (byte* P, const char* path) {
+	byte var_length;
+	byte* plen;
+
+	var_length = (byte)strlen (path);
+
+	*P++ = ESC;
+	plen = P++;
+	*P++ = 0x80; /* MAN_IE */
+	*P++ = 0x00; /* Type */
+	*P++ = 0x00; /* Attribute */
+	*P++ = 0x00; /* Status */
+	*P++ = 0x00; /* Variable Length */
+	*P++ = var_length;
+	memcpy (P, path, var_length);
+	P += var_length;
+	*plen = var_length + 0x06;
+
+	return ((word)(var_length + 0x08));
+}
+
+static void single_p (byte * P, word * PLength, byte Id) {
+  P[(*PLength)++] = Id;
+}
+
+static void diva_maint_xdi_cb (ENTITY* e) {
+  diva_strace_context_t* pLib = DIVAS_CONTAINING_RECORD(e,diva_strace_context_t,e);
+  diva_maint_client_t* pC;
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "xdi_cb");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "xdi_cb");
+
+  pC = (diva_maint_client_t*)pLib->hAdapter;
+
+  if ((e->complete == 255) || (pC->dma_handle < 0)) {
+    if ((*(pLib->instance.DivaSTraceMessageInput))(&pLib->instance)) {
+      diva_mnt_internal_dprintf (0, DLI_ERR, "Trace internal library error");
+    }
+  } else {
+    /*
+      Process combined management interface indication
+      */
+    if ((*(pLib->instance.DivaSTraceMessageInput))(&pLib->instance)) {
+      diva_mnt_internal_dprintf (0, DLI_ERR, "Trace internal library error (DMA mode)");
+    }
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "xdi_cb");
+
+
+	if (pC->request_pending) {
+    pC->request_pending = 0;
+    (*(pC->request))(e);
+	}
+
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "xdi_cb");
+}
+
+
+static void diva_maint_error (void* user_context,
+                              diva_strace_library_interface_t* hLib,
+                              int Adapter,
+                              int error,
+                              const char* file,
+                              int line) {
+	diva_mnt_internal_dprintf (0, DLI_ERR,
+                             "Trace library error(%d) A(%d) %s %d", error, Adapter, file, line);
+}
+
+static void print_ie (diva_trace_ie_t* ie, char* buffer, int length) {
+	int i;
+
+  buffer[0] = 0;
+
+  if (length > 32) {
+    for (i = 0; ((i < ie->length) && (length > 3)); i++) {
+      sprintf (buffer, "%02x", ie->data[i]);
+      buffer += 2;
+      length -= 2;
+      if (i < (ie->length-1)) {
+        strcpy (buffer, " ");
+        buffer++;
+        length--;
+      }
+    }
+  }
+}
+
+static void diva_maint_state_change_notify (void* user_context,
+                                            diva_strace_library_interface_t* hLib,
+                                            int Adapter,
+                                            diva_trace_line_state_t* channel,
+                                            int notify_subject) {
+  diva_maint_client_t*      pC    = (diva_maint_client_t*)user_context;
+  diva_trace_fax_state_t*   fax   = &channel->fax;
+  diva_trace_modem_state_t* modem = &channel->modem;
+  char tmp[256];
+
+  if (!pC->hDbg) {
+    return;
+  }
+
+  switch (notify_subject) {
+    case DIVA_SUPER_TRACE_NOTIFY_LINE_CHANGE: {
+      int view = (TraceFilter[0] == 0);
+      /*
+        Process selective Trace
+        */
+      if (channel->Line[0] == 'I' && channel->Line[1] == 'd' &&
+          channel->Line[2] == 'l' && channel->Line[3] == 'e') {
+        if ((TraceFilterIdent == pC->hDbg->id) && (TraceFilterChannel == (int)channel->ChannelNumber)) {
+          (*(hLib->DivaSTraceSetBChannel))(hLib, (int)channel->ChannelNumber, 0);
+          (*(hLib->DivaSTraceSetAudioTap))(hLib, (int)channel->ChannelNumber, 0);
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG, "Selective Trace OFF for Ch=%d",
+                                     (int)channel->ChannelNumber);
+          TraceFilterIdent   = -1;
+          TraceFilterChannel = -1;
+          view = 1;
+        }
+      } else if (TraceFilter[0] && (TraceFilterIdent < 0) && !(diva_mnt_cmp_nmbr (&channel->RemoteAddress[0]) &&
+                                                               diva_mnt_cmp_nmbr (&channel->LocalAddress[0]))) {
+
+        if ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0) { /* Activate B-channel trace */
+          (*(hLib->DivaSTraceSetBChannel))(hLib, (int)channel->ChannelNumber, 1);
+        }
+        if ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO) != 0) { /* Activate AudioTap Trace */
+          (*(hLib->DivaSTraceSetAudioTap))(hLib, (int)channel->ChannelNumber, 1);
+        }
+
+        TraceFilterIdent   = pC->hDbg->id;
+        TraceFilterChannel = (int)channel->ChannelNumber;
+
+        if (TraceFilterIdent >= 0) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG, "Selective Trace ON for Ch=%d",
+                                     (int)channel->ChannelNumber);
+          view = 1;
+        }
+      }
+      if (view && (pC->hDbg->dbgMask & DIVA_MGT_DBG_LINE_EVENTS)) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Ch     = %d",
+                                                                     (int)channel->ChannelNumber);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Status = <%s>", &channel->Line[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Layer1 = <%s>", &channel->Framing[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Layer2 = <%s>", &channel->Layer2[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Layer3 = <%s>", &channel->Layer3[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L RAddr  = <%s>",
+                                                                     &channel->RemoteAddress[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L RSAddr = <%s>",
+                                                                     &channel->RemoteSubAddress[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L LAddr  = <%s>",
+                                                                     &channel->LocalAddress[0]);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L LSAddr = <%s>",
+                                                                     &channel->LocalSubAddress[0]);
+        print_ie(&channel->call_BC, tmp, sizeof(tmp));
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L BC     = <%s>", tmp);
+        print_ie(&channel->call_HLC, tmp, sizeof(tmp));
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L HLC    = <%s>", tmp);
+        print_ie(&channel->call_LLC, tmp, sizeof(tmp));
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L LLC    = <%s>", tmp);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L CR     = 0x%x", channel->CallReference);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Disc   = 0x%x",
+                                                                    channel->LastDisconnecCause);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT, "L Owner  = <%s>", &channel->UserID[0]);
+      }
+
+		} break;
+
+    case DIVA_SUPER_TRACE_NOTIFY_MODEM_CHANGE:
+      if (pC->hDbg->dbgMask & DIVA_MGT_DBG_MDM_PROGRESS) {
+				{
+					int ch = TraceFilterChannel;
+					int id = TraceFilterIdent;
+
+					if ((id >= 0) && (ch >= 0) && (id < sizeof(clients)/sizeof(clients[0])) &&
+						(clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
+						if (ch != (int)modem->ChannelNumber) {
+							break;
+						}
+					} else if (TraceFilter[0] != 0) {
+						break;
+					}
+				}
+
+
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Ch    = %lu",
+                                                                     (int)modem->ChannelNumber);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Event = %lu",     modem->Event);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Norm  = %lu",     modem->Norm);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Opts. = 0x%08x",  modem->Options);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Tx    = %lu Bps", modem->TxSpeed);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Rx    = %lu Bps", modem->RxSpeed);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RT    = %lu mSec",
+                                                                     modem->RoundtripMsec);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Sr    = %lu",     modem->SymbolRate);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Rxl   = %d dBm",  modem->RxLeveldBm);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM El    = %d dBm",  modem->EchoLeveldBm);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM SNR   = %lu dB",  modem->SNRdb);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM MAE   = %lu",     modem->MAE);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM LRet  = %lu",
+                                                                     modem->LocalRetrains);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RRet  = %lu",
+                                                                     modem->RemoteRetrains);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM LRes  = %lu",     modem->LocalResyncs);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RRes  = %lu",
+                                                                     modem->RemoteResyncs);
+        if (modem->Event == 3) {
+          diva_mnt_internal_dprintf(pC->hDbg->id,DLI_STAT,"MDM Disc  =  %lu",    modem->DiscReason);
+        }
+      }
+      if ((modem->Event == 3) && (pC->hDbg->dbgMask & DIVA_MGT_DBG_MDM_STATISTICS)) {
+        (*(pC->pIdiLib->DivaSTraceGetModemStatistics))(pC->pIdiLib);
+      }
+      break;
+
+    case DIVA_SUPER_TRACE_NOTIFY_FAX_CHANGE:
+      if (pC->hDbg->dbgMask & DIVA_MGT_DBG_FAX_PROGRESS) {
+				{
+					int ch = TraceFilterChannel;
+					int id = TraceFilterIdent;
+
+					if ((id >= 0) && (ch >= 0) && (id < sizeof(clients)/sizeof(clients[0])) &&
+						(clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
+						if (ch != (int)fax->ChannelNumber) {
+							break;
+						}
+					} else if (TraceFilter[0] != 0) {
+						break;
+					}
+				}
+
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Ch    = %lu",(int)fax->ChannelNumber);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Event = %lu",     fax->Event);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Pages = %lu",     fax->Page_Counter);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Feat. = 0x%08x",  fax->Features);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX ID    = <%s>",    &fax->Station_ID[0]);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Saddr = <%s>",    &fax->Subaddress[0]);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Pwd   = <%s>",    &fax->Password[0]);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Speed = %lu",     fax->Speed);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Res.  = 0x%08x",  fax->Resolution);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Width = %lu",     fax->Paper_Width);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Length= %lu",     fax->Paper_Length);
+        diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX SLT   = %lu",     fax->Scanline_Time);
+        if (fax->Event == 3) {
+          diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Disc  = %lu",     fax->Disc_Reason);
+        }
+      }
+      if ((fax->Event == 3) && (pC->hDbg->dbgMask & DIVA_MGT_DBG_FAX_STATISTICS)) {
+        (*(pC->pIdiLib->DivaSTraceGetFaxStatistics))(pC->pIdiLib);
+      }
+      break;
+
+    case DIVA_SUPER_TRACE_INTERFACE_CHANGE:
+      if (pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_EVENTS) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT,
+                                 "Layer 1 -> [%s]", channel->pInterface->Layer1);
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_STAT,
+                                 "Layer 2 -> [%s]", channel->pInterface->Layer2);
+      }
+      break;
+
+    case DIVA_SUPER_TRACE_NOTIFY_STAT_CHANGE:
+      if (pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_STATISTICS) {
+        /*
+          Incoming Statistics
+          */
+        if (channel->pInterfaceStat->inc.Calls) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Calls                     =%lu", channel->pInterfaceStat->inc.Calls);
+        }
+        if (channel->pInterfaceStat->inc.Connected) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Connected                 =%lu", channel->pInterfaceStat->inc.Connected);
+        }
+        if (channel->pInterfaceStat->inc.User_Busy) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Busy                      =%lu", channel->pInterfaceStat->inc.User_Busy);
+        }
+        if (channel->pInterfaceStat->inc.Call_Rejected) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Rejected                  =%lu", channel->pInterfaceStat->inc.Call_Rejected);
+        }
+        if (channel->pInterfaceStat->inc.Wrong_Number) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Wrong Nr                  =%lu", channel->pInterfaceStat->inc.Wrong_Number);
+        }
+        if (channel->pInterfaceStat->inc.Incompatible_Dst) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Incomp. Dest              =%lu", channel->pInterfaceStat->inc.Incompatible_Dst);
+        }
+        if (channel->pInterfaceStat->inc.Out_of_Order) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Out of Order              =%lu", channel->pInterfaceStat->inc.Out_of_Order);
+        }
+        if (channel->pInterfaceStat->inc.Ignored) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Inc Ignored                   =%lu", channel->pInterfaceStat->inc.Ignored);
+        }
+        
+        /*
+          Outgoing Statistics
+          */
+        if (channel->pInterfaceStat->outg.Calls) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Calls                    =%lu", channel->pInterfaceStat->outg.Calls);
+        }
+        if (channel->pInterfaceStat->outg.Connected) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Connected                =%lu", channel->pInterfaceStat->outg.Connected);
+        }
+        if (channel->pInterfaceStat->outg.User_Busy) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Busy                     =%lu", channel->pInterfaceStat->outg.User_Busy);
+        }
+        if (channel->pInterfaceStat->outg.No_Answer) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg No Answer                =%lu", channel->pInterfaceStat->outg.No_Answer);
+        }
+        if (channel->pInterfaceStat->outg.Wrong_Number) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Wrong Nr                 =%lu", channel->pInterfaceStat->outg.Wrong_Number);
+        }
+        if (channel->pInterfaceStat->outg.Call_Rejected) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Rejected                 =%lu", channel->pInterfaceStat->outg.Call_Rejected);
+        }
+        if (channel->pInterfaceStat->outg.Other_Failures) {
+          diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+          "Outg Other Failures           =%lu", channel->pInterfaceStat->outg.Other_Failures);
+        }
+      }
+      break;
+
+    case DIVA_SUPER_TRACE_NOTIFY_MDM_STAT_CHANGE:
+      if (channel->pInterfaceStat->mdm.Disc_Normal) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Normal        = %lu", channel->pInterfaceStat->mdm.Disc_Normal);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Unspecified) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Unsp.         = %lu", channel->pInterfaceStat->mdm.Disc_Unspecified);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Busy_Tone) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Busy Tone     = %lu", channel->pInterfaceStat->mdm.Disc_Busy_Tone);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Congestion) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Congestion    = %lu", channel->pInterfaceStat->mdm.Disc_Congestion);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Carr_Wait) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Carrier Wait  = %lu", channel->pInterfaceStat->mdm.Disc_Carr_Wait);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Trn_Timeout) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Trn. T.o.     = %lu", channel->pInterfaceStat->mdm.Disc_Trn_Timeout);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Incompat) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Incompatible  = %lu", channel->pInterfaceStat->mdm.Disc_Incompat);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_Frame_Rej) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc Frame Reject  = %lu", channel->pInterfaceStat->mdm.Disc_Frame_Rej);
+      }
+      if (channel->pInterfaceStat->mdm.Disc_V42bis) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "MDM Disc V.42bis       = %lu", channel->pInterfaceStat->mdm.Disc_V42bis);
+      }
+      break;
+
+    case DIVA_SUPER_TRACE_NOTIFY_FAX_STAT_CHANGE:
+      if (channel->pInterfaceStat->fax.Disc_Normal) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Normal        = %lu", channel->pInterfaceStat->fax.Disc_Normal);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Not_Ident) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Not Ident.    = %lu", channel->pInterfaceStat->fax.Disc_Not_Ident);
+      }
+      if (channel->pInterfaceStat->fax.Disc_No_Response) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc No Response   = %lu", channel->pInterfaceStat->fax.Disc_No_Response);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Retries) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Max Retries   = %lu", channel->pInterfaceStat->fax.Disc_Retries);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Unexp_Msg) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Unexp. Msg.        = %lu", channel->pInterfaceStat->fax.Disc_Unexp_Msg);
+      }
+      if (channel->pInterfaceStat->fax.Disc_No_Polling) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc No Polling    = %lu", channel->pInterfaceStat->fax.Disc_No_Polling);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Training) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Training      = %lu", channel->pInterfaceStat->fax.Disc_Training);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Unexpected) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Unexpected    = %lu", channel->pInterfaceStat->fax.Disc_Unexpected);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Application) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Application   = %lu", channel->pInterfaceStat->fax.Disc_Application);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Incompat) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Incompatible  = %lu", channel->pInterfaceStat->fax.Disc_Incompat);
+      }
+      if (channel->pInterfaceStat->fax.Disc_No_Command) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc No Command    = %lu", channel->pInterfaceStat->fax.Disc_No_Command);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Long_Msg) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Long Msg.     = %lu", channel->pInterfaceStat->fax.Disc_Long_Msg);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Supervisor) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Supervisor    = %lu", channel->pInterfaceStat->fax.Disc_Supervisor);
+      }
+      if (channel->pInterfaceStat->fax.Disc_SUB_SEP_PWD) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc SUP SEP PWD   = %lu", channel->pInterfaceStat->fax.Disc_SUB_SEP_PWD);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Invalid_Msg) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Invalid Msg.  = %lu", channel->pInterfaceStat->fax.Disc_Invalid_Msg);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Page_Coding) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Page Coding   = %lu", channel->pInterfaceStat->fax.Disc_Page_Coding);
+      }
+      if (channel->pInterfaceStat->fax.Disc_App_Timeout) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Appl. T.o.    = %lu", channel->pInterfaceStat->fax.Disc_App_Timeout);
+      }
+      if (channel->pInterfaceStat->fax.Disc_Unspecified) {
+        diva_mnt_internal_dprintf (pC->hDbg->id, DLI_LOG,
+        "FAX Disc Unspec.       = %lu", channel->pInterfaceStat->fax.Disc_Unspecified);
+      }
+      break;
+  }
+}
+
+/*
+  Receive trace information from the Management Interface and store it in the
+  internal trace buffer with MSG_TYPE_MLOG as is, without any filtering.
+  Event Filtering and formatting is done in  Management Interface self.
+  */
+static void diva_maint_trace_notify (void* user_context,
+                                     diva_strace_library_interface_t* hLib,
+                                     int Adapter,
+                                     void* xlog_buffer,
+                                     int length) {
+  diva_maint_client_t* pC = (diva_maint_client_t*)user_context;
+  diva_dbg_entry_head_t* pmsg;
+  word size;
+  dword sec, usec;
+  int ch = TraceFilterChannel;
+  int id = TraceFilterIdent;
+
+  /*
+    Selective trace
+    */
+  if ((id >= 0) && (ch >= 0) && (id < sizeof(clients)/sizeof(clients[0])) &&
+      (clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
+    const char* p = NULL;
+    int ch_value = -1;
+    MI_XLOG_HDR *TrcData = (MI_XLOG_HDR *)xlog_buffer;
+
+    if (Adapter != clients[id].logical) {
+      return; /* Ignore all trace messages from other adapters */
+    }
+
+    if (TrcData->code == 24) {
+      p = (char*)&TrcData->code;
+      p += 2;
+    }
+
+    /*
+      All L1 messages start as [dsp,ch], so we can filter this information
+      and filter out all messages that use different channel
+      */
+    if (p && p[0] == '[') {
+      if (p[2] == ',') {
+        p += 3;
+        ch_value = *p - '0';
+      } else if (p[3] == ',') {
+        p += 4;
+        ch_value = *p - '0';
+      }
+      if (ch_value >= 0) {
+        if (p[2] == ']') {
+          ch_value = ch_value * 10 + p[1] - '0';
+        }
+        if (ch_value != ch) {
+          return; /* Ignore other channels */
+        }
+      }
+    }
+
+	} else if (TraceFilter[0] != 0) {
+    return; /* Ignore trace if trace filter is activated, but idle */
+  }
+
+  diva_os_get_time (&sec, &usec);
+
+  while (!(pmsg = (diva_dbg_entry_head_t*)queueAllocMsg (dbg_queue,
+                              (word)length+sizeof(*pmsg)))) {
+    if ((pmsg = (diva_dbg_entry_head_t*)queuePeekMsg (dbg_queue, &size))) {
+      queueFreeMsg (dbg_queue);
+    } else {
+      break;
+    }
+  }
+  if (pmsg) {
+    memcpy (&pmsg[1], xlog_buffer, length);
+    pmsg->sequence    = dbg_sequence++;
+    pmsg->time_sec    = sec;
+    pmsg->time_usec   = usec;
+    pmsg->facility    = MSG_TYPE_MLOG;
+    pmsg->dli         = pC->logical;
+    pmsg->drv_id      = pC->hDbg->id;
+    pmsg->di_cpu      = 0;
+    pmsg->data_length = length;
+    queueCompleteMsg (pmsg);
+    if (queueCount(dbg_queue)) {
+      diva_maint_wakeup_read();
+    }
+  }
+}
+
+
+/*
+  Convert MAINT trace mask to management interface trace mask/work/facility and
+  issue command to management interface
+  */
+static void diva_change_management_debug_mask (diva_maint_client_t* pC, dword old_mask) {
+  if (pC->request && pC->hDbg && pC->pIdiLib) {
+    dword changed = pC->hDbg->dbgMask ^ old_mask;
+
+    if (changed & DIVA_MGT_DBG_TRACE) {
+      (*(pC->pIdiLib->DivaSTraceSetInfo))(pC->pIdiLib,
+                                          (pC->hDbg->dbgMask & DIVA_MGT_DBG_TRACE) != 0);
+    }
+    if (changed & DIVA_MGT_DBG_DCHAN) {
+      (*(pC->pIdiLib->DivaSTraceSetDChannel))(pC->pIdiLib,
+                                              (pC->hDbg->dbgMask & DIVA_MGT_DBG_DCHAN) != 0);
+    }
+    if (!TraceFilter[0]) {
+      if (changed & DIVA_MGT_DBG_IFC_BCHANNEL) {
+        int i, state = ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0);
+
+        for (i = 0; i < pC->channels; i++) {
+          (*(pC->pIdiLib->DivaSTraceSetBChannel))(pC->pIdiLib, i+1, state);
+        }
+      }
+      if (changed & DIVA_MGT_DBG_IFC_AUDIO) {
+        int i, state = ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO) != 0);
+
+        for (i = 0; i < pC->channels; i++) {
+          (*(pC->pIdiLib->DivaSTraceSetAudioTap))(pC->pIdiLib, i+1, state);
+        }
+      }
+    }
+  }
+}
+
+
+void diva_mnt_internal_dprintf (dword drv_id, dword type, char* fmt, ...) {
+  va_list ap;
+
+	va_start(ap, fmt);
+  DI_format (0, (word)drv_id, (int)type, fmt, ap);
+	va_end(ap);
+}
+
+/*
+  Shutdown all adapters before driver removal
+  */
+int diva_mnt_shutdown_xdi_adapters (void) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  int i, fret = 0;
+  byte * pmem;
+
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    pmem = NULL;
+
+    diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "unload");
+    diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "unload");
+
+    if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request) {
+      if ((*(clients[i].pIdiLib->DivaSTraceLibraryStop))(clients[i].pIdiLib) == 1) {
+        /*
+          Adapter removal complete
+          */
+        if (clients[i].pIdiLib) {
+          (*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
+          clients[i].pIdiLib = NULL;
+
+          pmem = clients[i].pmem;
+          clients[i].pmem = NULL;
+        }
+        clients[i].hDbg    = NULL;
+        clients[i].request_pending = 0;
+
+        if (clients[i].dma_handle >= 0) {
+          /*
+            Free DMA handle
+            */
+          diva_free_dma_descriptor (clients[i].request, clients[i].dma_handle);
+          clients[i].dma_handle = -1;
+				}
+        clients[i].request = NULL;
+      } else {
+        fret = -1;
+      }
+    }
+
+    diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "unload");
+    if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request && clients[i].request_pending) {
+      clients[i].request_pending = 0;
+      (*(clients[i].request))((ENTITY*)(*(clients[i].pIdiLib->DivaSTraceGetHandle))(clients[i].pIdiLib->hLib));
+      if (clients[i].dma_handle >= 0) {
+        diva_free_dma_descriptor (clients[i].request, clients[i].dma_handle);
+        clients[i].dma_handle = -1;
+      }
+    }
+    diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "unload");
+
+    if (pmem) {
+      diva_os_free (0, pmem);
+    }
+  }
+
+  return (fret);
+}
+
+/*
+  Set/Read the trace filter used for selective tracing.
+  Affects B- and Audio Tap trace mask at run time
+  */
+int diva_set_trace_filter (int filter_length, const char* filter) {
+  diva_os_spin_lock_magic_t old_irql, old_irql1;
+  int i, ch, on, client_b_on, client_atap_on;
+
+  diva_os_enter_spin_lock (&dbg_adapter_lock, &old_irql1, "dbg mask");
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "write_filter");
+
+  if (filter_length <= DIVA_MAX_SELECTIVE_FILTER_LENGTH) {
+    memcpy (&TraceFilter[0], filter, filter_length);
+    if (TraceFilter[filter_length]) {
+      TraceFilter[filter_length] = 0;
+    }
+    if (TraceFilter[0] == '*') {
+      TraceFilter[0] = 0;
+    }
+  } else {
+    filter_length = -1;
+  }
+
+  TraceFilterIdent   = -1;
+  TraceFilterChannel = -1;
+
+  on = (TraceFilter[0] == 0);
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request) {
+      client_b_on    = on && ((clients[i].hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0);
+      client_atap_on = on && ((clients[i].hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO)    != 0);
+      for (ch = 0; ch < clients[i].channels; ch++) {
+        (*(clients[i].pIdiLib->DivaSTraceSetBChannel))(clients[i].pIdiLib->hLib, ch+1, client_b_on);
+        (*(clients[i].pIdiLib->DivaSTraceSetAudioTap))(clients[i].pIdiLib->hLib, ch+1, client_atap_on);
+      }
+    }
+  }
+
+  for (i = 1; i < (sizeof(clients)/sizeof(clients[0])); i++) {
+    if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request && clients[i].request_pending) {
+      diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "write_filter");
+      clients[i].request_pending = 0;
+      (*(clients[i].request))((ENTITY*)(*(clients[i].pIdiLib->DivaSTraceGetHandle))(clients[i].pIdiLib->hLib));
+      diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "write_filter");
+    }
+  }
+
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "write_filter");
+  diva_os_leave_spin_lock (&dbg_adapter_lock, &old_irql1, "dbg mask");
+
+  return (filter_length);
+}
+
+int diva_get_trace_filter (int max_length, char* filter) {
+  diva_os_spin_lock_magic_t old_irql;
+  int len;
+
+  diva_os_enter_spin_lock (&dbg_q_lock, &old_irql, "read_filter");
+  len = strlen (&TraceFilter[0]) + 1;
+  if (max_length >= len) {
+    memcpy (filter, &TraceFilter[0], len);
+  }
+  diva_os_leave_spin_lock (&dbg_q_lock, &old_irql, "read_filter");
+
+  return (len);
+}
+
+static int diva_dbg_cmp_key (const char* ref, const char* key) {
+	while (*key && (*ref++ == *key++));
+  return (!*key && !*ref);
+}
+
+/*
+  In case trace filter starts with "C" character then
+  all following characters are interpreted as command.
+  Followings commands are available:
+  - single, trace single call at time, independent from CPN/CiPN
+  */
+static int diva_mnt_cmp_nmbr (const char* nmbr) {
+  const char* ref = &TraceFilter[0];
+  int ref_len = strlen(&TraceFilter[0]), nmbr_len = strlen(nmbr);
+
+  if (ref[0] == 'C') {
+    if (diva_dbg_cmp_key (&ref[1], "single")) {
+      return (0);
+    }
+    return (-1);
+  }
+
+  if (!ref_len || (ref_len > nmbr_len)) {
+    return (-1);
+  }
+
+  nmbr = nmbr + nmbr_len - 1;
+  ref  = ref  + ref_len  - 1;
+
+  while (ref_len--) {
+    if (*nmbr-- != *ref--) {
+      return (-1);
+    }
+  }
+
+  return (0);
+}
+
+static int diva_get_dma_descriptor (IDI_CALL request, dword *dma_magic) {
+  ENTITY e;
+  IDI_SYNC_REQ* pReq = (IDI_SYNC_REQ*)&e;
+
+  if (!request) {
+    return (-1);
+  }
+
+  pReq->xdi_dma_descriptor_operation.Req = 0;
+  pReq->xdi_dma_descriptor_operation.Rc = IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION;
+
+  pReq->xdi_dma_descriptor_operation.info.operation =     IDI_SYNC_REQ_DMA_DESCRIPTOR_ALLOC;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_number  = -1;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_address = NULL;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_magic   = 0;
+
+  (*request)((ENTITY*)pReq);
+
+  if (!pReq->xdi_dma_descriptor_operation.info.operation &&
+      (pReq->xdi_dma_descriptor_operation.info.descriptor_number >= 0) &&
+      pReq->xdi_dma_descriptor_operation.info.descriptor_magic) {
+    *dma_magic = pReq->xdi_dma_descriptor_operation.info.descriptor_magic;
+    return (pReq->xdi_dma_descriptor_operation.info.descriptor_number);
+  } else {
+    return (-1);
+  }
+}
+
+static void diva_free_dma_descriptor (IDI_CALL request, int nr) {
+  ENTITY e;
+  IDI_SYNC_REQ* pReq = (IDI_SYNC_REQ*)&e;
+
+  if (!request || (nr < 0)) {
+    return;
+  }
+
+  pReq->xdi_dma_descriptor_operation.Req = 0;
+  pReq->xdi_dma_descriptor_operation.Rc = IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION;
+
+  pReq->xdi_dma_descriptor_operation.info.operation = IDI_SYNC_REQ_DMA_DESCRIPTOR_FREE;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_number  = nr;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_address = NULL;
+  pReq->xdi_dma_descriptor_operation.info.descriptor_magic   = 0;
+
+  (*request)((ENTITY*)pReq);
+}
+