1 // SPDX-License-Identifier: GPL-2.0
2 #include "platform.h"
3 #include "pc.h"
4 #include "di_defs.h"
5 #include "debug_if.h"
6 #include "divasync.h"
7 #include "kst_ifc.h"
8 #include "maintidi.h"
9 #include "man_defs.h"
10 
11 /*
12   LOCALS
13 */
14 #define DBG_MAGIC (0x47114711L)
15 
16 static void DI_register(void *arg);
17 static void DI_deregister(pDbgHandle hDbg);
18 static void DI_format(int do_lock, word id, int type, char *format, va_list argument_list);
19 static void DI_format_locked(word id, int type, char *format, va_list argument_list);
DI_format_old(word id,char * format,va_list ap)20 static void DI_format_old(word id, char *format, va_list ap) { }
DiProcessEventLog(unsigned short id,unsigned long msgID,va_list ap)21 static void DiProcessEventLog(unsigned short id, unsigned long msgID, va_list ap) { }
22 static void single_p(byte *P, word *PLength, byte Id);
23 static void diva_maint_xdi_cb(ENTITY *e);
24 static word SuperTraceCreateReadReq(byte *P, const char *path);
25 static int diva_mnt_cmp_nmbr(const char *nmbr);
26 static void diva_free_dma_descriptor(IDI_CALL request, int nr);
27 static int diva_get_dma_descriptor(IDI_CALL request, dword *dma_magic);
28 void diva_mnt_internal_dprintf(dword drv_id, dword type, char *p, ...);
29 
30 static dword MaxDumpSize = 256;
31 static dword MaxXlogSize = 2 + 128;
32 static char  TraceFilter[DIVA_MAX_SELECTIVE_FILTER_LENGTH + 1];
33 static int TraceFilterIdent   = -1;
34 static int TraceFilterChannel = -1;
35 
36 typedef struct _diva_maint_client {
37 	dword       sec;
38 	dword       usec;
39 	pDbgHandle  hDbg;
40 	char        drvName[128];
41 	dword       dbgMask;
42 	dword       last_dbgMask;
43 	IDI_CALL    request;
44 	_DbgHandle_ Dbg;
45 	int         logical;
46 	int         channels;
47 	diva_strace_library_interface_t *pIdiLib;
48 	BUFFERS     XData;
49 	char        xbuffer[2048 + 512];
50 	byte        *pmem;
51 	int         request_pending;
52 	int         dma_handle;
53 } diva_maint_client_t;
54 static diva_maint_client_t clients[MAX_DESCRIPTORS];
55 
56 static void diva_change_management_debug_mask(diva_maint_client_t *pC, dword old_mask);
57 
58 static void diva_maint_error(void *user_context,
59 			     diva_strace_library_interface_t *hLib,
60 			     int Adapter,
61 			     int error,
62 			     const char *file,
63 			     int line);
64 static void diva_maint_state_change_notify(void *user_context,
65 					   diva_strace_library_interface_t *hLib,
66 					   int Adapter,
67 					   diva_trace_line_state_t *channel,
68 					   int notify_subject);
69 static void diva_maint_trace_notify(void *user_context,
70 				    diva_strace_library_interface_t *hLib,
71 				    int Adapter,
72 				    void *xlog_buffer,
73 				    int length);
74 
75 
76 
77 typedef struct MSG_QUEUE {
78 	dword	Size;		/* total size of queue (constant)	*/
79 	byte	*Base;		/* lowest address (constant)		*/
80 	byte	*High;		/* Base + Size (constant)		*/
81 	byte	*Head;		/* first message in queue (if any)	*/
82 	byte	*Tail;		/* first free position			*/
83 	byte	*Wrap;		/* current wraparound position		*/
84 	dword	Count;		/* current no of bytes in queue		*/
85 } MSG_QUEUE;
86 
87 typedef struct MSG_HEAD {
88 	volatile dword	Size;		/* size of data following MSG_HEAD	*/
89 #define	MSG_INCOMPLETE	0x8000	/* ored to Size until queueCompleteMsg	*/
90 } MSG_HEAD;
91 
92 #define queueCompleteMsg(p) do { ((MSG_HEAD *)p - 1)->Size &= ~MSG_INCOMPLETE; } while (0)
93 #define queueCount(q)	((q)->Count)
94 #define MSG_NEED(size)							\
95 	((sizeof(MSG_HEAD) + size + sizeof(dword) - 1) & ~(sizeof(dword) - 1))
96 
queueInit(MSG_QUEUE * Q,byte * Buffer,dword sizeBuffer)97 static void queueInit(MSG_QUEUE *Q, byte *Buffer, dword sizeBuffer) {
98 	Q->Size = sizeBuffer;
99 	Q->Base = Q->Head = Q->Tail = Buffer;
100 	Q->High = Buffer + sizeBuffer;
101 	Q->Wrap = NULL;
102 	Q->Count = 0;
103 }
104 
queueAllocMsg(MSG_QUEUE * Q,word size)105 static byte *queueAllocMsg(MSG_QUEUE *Q, word size) {
106 	/* Allocate 'size' bytes at tail of queue which will be filled later
107 	 * directly with callers own message header info and/or message.
108 	 * An 'alloced' message is marked incomplete by oring the 'Size' field
109 	 * with MSG_INCOMPLETE.
110 	 * This must be reset via queueCompleteMsg() after the message is filled.
111 	 * As long as a message is marked incomplete queuePeekMsg() will return
112 	 * a 'queue empty' condition when it reaches such a message.  */
113 
114 	MSG_HEAD *Msg;
115 	word need = MSG_NEED(size);
116 
117 	if (Q->Tail == Q->Head) {
118 		if (Q->Wrap || need > Q->Size) {
119 			return NULL; /* full */
120 		}
121 		goto alloc; /* empty */
122 	}
123 
124 	if (Q->Tail > Q->Head) {
125 		if (Q->Tail + need <= Q->High) goto alloc; /* append */
126 		if (Q->Base + need > Q->Head) {
127 			return NULL; /* too much */
128 		}
129 		/* wraparound the queue (but not the message) */
130 		Q->Wrap = Q->Tail;
131 		Q->Tail = Q->Base;
132 		goto alloc;
133 	}
134 
135 	if (Q->Tail + need > Q->Head) {
136 		return NULL; /* too much */
137 	}
138 
139 alloc:
140 	Msg = (MSG_HEAD *)Q->Tail;
141 
142 	Msg->Size = size | MSG_INCOMPLETE;
143 
144 	Q->Tail	 += need;
145 	Q->Count += size;
146 
147 
148 
149 	return ((byte *)(Msg + 1));
150 }
151 
queueFreeMsg(MSG_QUEUE * Q)152 static void queueFreeMsg(MSG_QUEUE *Q) {
153 /* Free the message at head of queue */
154 
155 	word size = ((MSG_HEAD *)Q->Head)->Size & ~MSG_INCOMPLETE;
156 
157 	Q->Head  += MSG_NEED(size);
158 	Q->Count -= size;
159 
160 	if (Q->Wrap) {
161 		if (Q->Head >= Q->Wrap) {
162 			Q->Head = Q->Base;
163 			Q->Wrap = NULL;
164 		}
165 	} else if (Q->Head >= Q->Tail) {
166 		Q->Head = Q->Tail = Q->Base;
167 	}
168 }
169 
queuePeekMsg(MSG_QUEUE * Q,word * size)170 static byte *queuePeekMsg(MSG_QUEUE *Q, word *size) {
171 	/* Show the first valid message in queue BUT DON'T free the message.
172 	 * After looking on the message contents it can be freed queueFreeMsg()
173 	 * or simply remain in message queue.  */
174 
175 	MSG_HEAD *Msg = (MSG_HEAD *)Q->Head;
176 
177 	if (((byte *)Msg == Q->Tail && !Q->Wrap) ||
178 	    (Msg->Size & MSG_INCOMPLETE)) {
179 		return NULL;
180 	} else {
181 		*size = Msg->Size;
182 		return ((byte *)(Msg + 1));
183 	}
184 }
185 
186 /*
187   Message queue header
188 */
189 static MSG_QUEUE *dbg_queue;
190 static byte *dbg_base;
191 static int                 external_dbg_queue;
192 static diva_os_spin_lock_t dbg_q_lock;
193 static diva_os_spin_lock_t dbg_adapter_lock;
194 static int                 dbg_q_busy;
195 static volatile dword      dbg_sequence;
196 
197 /*
198   INTERFACE:
199   Initialize run time queue structures.
200   base:    base of the message queue
201   length:  length of the message queue
202   do_init: perfor queue reset
203 
204   return:  zero on success, -1 on error
205 */
diva_maint_init(byte * base,unsigned long length,int do_init)206 int diva_maint_init(byte *base, unsigned long length, int do_init) {
207 	if (dbg_queue || (!base) || (length < (4096 * 4))) {
208 		return (-1);
209 	}
210 
211 	TraceFilter[0]     =  0;
212 	TraceFilterIdent   = -1;
213 	TraceFilterChannel = -1;
214 
215 	dbg_base = base;
216 
217 	*(dword *)base  = (dword)DBG_MAGIC; /* Store Magic */
218 	base   += sizeof(dword);
219 	length -= sizeof(dword);
220 
221 	*(dword *)base = 2048; /* Extension Field Length */
222 	base   += sizeof(dword);
223 	length -= sizeof(dword);
224 
225 	strcpy(base, "KERNEL MODE BUFFER\n");
226 	base   += 2048;
227 	length -= 2048;
228 
229 	*(dword *)base = 0; /* Terminate extension */
230 	base   += sizeof(dword);
231 	length -= sizeof(dword);
232 
233 	*(void **)base  =  (void *)(base + sizeof(void *)); /* Store Base  */
234 	base   += sizeof(void *);
235 	length -= sizeof(void *);
236 
237 	dbg_queue = (MSG_QUEUE *)base;
238 	queueInit(dbg_queue, base + sizeof(MSG_QUEUE), length - sizeof(MSG_QUEUE) - 512);
239 	external_dbg_queue = 0;
240 
241 	if (!do_init) {
242 		external_dbg_queue = 1; /* memory was located on the external device */
243 	}
244 
245 
246 	if (diva_os_initialize_spin_lock(&dbg_q_lock, "dbg_init")) {
247 		dbg_queue = NULL;
248 		dbg_base = NULL;
249 		external_dbg_queue = 0;
250 		return (-1);
251 	}
252 
253 	if (diva_os_initialize_spin_lock(&dbg_adapter_lock, "dbg_init")) {
254 		diva_os_destroy_spin_lock(&dbg_q_lock, "dbg_init");
255 		dbg_queue = NULL;
256 		dbg_base = NULL;
257 		external_dbg_queue = 0;
258 		return (-1);
259 	}
260 
261 	return (0);
262 }
263 
264 /*
265   INTERFACE:
266   Finit at unload time
267   return address of internal queue or zero if queue
268   was external
269 */
diva_maint_finit(void)270 void *diva_maint_finit(void) {
271 	void *ret = (void *)dbg_base;
272 	int i;
273 
274 	dbg_queue = NULL;
275 	dbg_base  = NULL;
276 
277 	if (ret) {
278 		diva_os_destroy_spin_lock(&dbg_q_lock, "dbg_finit");
279 		diva_os_destroy_spin_lock(&dbg_adapter_lock, "dbg_finit");
280 	}
281 
282 	if (external_dbg_queue) {
283 		ret = NULL;
284 	}
285 	external_dbg_queue = 0;
286 
287 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
288 		if (clients[i].pmem) {
289 			diva_os_free(0, clients[i].pmem);
290 		}
291 	}
292 
293 	return (ret);
294 }
295 
296 /*
297   INTERFACE:
298   Return amount of messages in debug queue
299 */
diva_dbg_q_length(void)300 dword diva_dbg_q_length(void) {
301 	return (dbg_queue ? queueCount(dbg_queue)	: 0);
302 }
303 
304 /*
305   INTERFACE:
306   Lock message queue and return the pointer to the first
307   entry.
308 */
diva_maint_get_message(word * size,diva_os_spin_lock_magic_t * old_irql)309 diva_dbg_entry_head_t *diva_maint_get_message(word *size,
310 					      diva_os_spin_lock_magic_t *old_irql) {
311 	diva_dbg_entry_head_t *pmsg = NULL;
312 
313 	diva_os_enter_spin_lock(&dbg_q_lock, old_irql, "read");
314 	if (dbg_q_busy) {
315 		diva_os_leave_spin_lock(&dbg_q_lock, old_irql, "read_busy");
316 		return NULL;
317 	}
318 	dbg_q_busy = 1;
319 
320 	if (!(pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, size))) {
321 		dbg_q_busy = 0;
322 		diva_os_leave_spin_lock(&dbg_q_lock, old_irql, "read_empty");
323 	}
324 
325 	return (pmsg);
326 }
327 
328 /*
329   INTERFACE:
330   acknowledge last message and unlock queue
331 */
diva_maint_ack_message(int do_release,diva_os_spin_lock_magic_t * old_irql)332 void diva_maint_ack_message(int do_release,
333 			    diva_os_spin_lock_magic_t *old_irql) {
334 	if (!dbg_q_busy) {
335 		return;
336 	}
337 	if (do_release) {
338 		queueFreeMsg(dbg_queue);
339 	}
340 	dbg_q_busy = 0;
341 	diva_os_leave_spin_lock(&dbg_q_lock, old_irql, "read_ack");
342 }
343 
344 
345 /*
346   INTERFACE:
347   PRT COMP function used to register
348   with MAINT adapter or log in compatibility
349   mode in case older driver version is connected too
350 */
diva_maint_prtComp(char * format,...)351 void diva_maint_prtComp(char *format, ...) {
352 	void    *hDbg;
353 	va_list ap;
354 
355 	if (!format)
356 		return;
357 
358 	va_start(ap, format);
359 
360 	/*
361 	  register to new log driver functions
362 	*/
363 	if ((format[0] == 0) && ((unsigned char)format[1] == 255)) {
364 		hDbg = va_arg(ap, void *); /* ptr to DbgHandle */
365 		DI_register(hDbg);
366 	}
367 
368 	va_end(ap);
369 }
370 
DI_register(void * arg)371 static void DI_register(void *arg) {
372 	diva_os_spin_lock_magic_t old_irql;
373 	dword sec, usec;
374 	pDbgHandle	hDbg;
375 	int id, free_id = -1, best_id = 0;
376 
377 	diva_os_get_time(&sec, &usec);
378 
379 	hDbg = (pDbgHandle)arg;
380 	/*
381 	  Check for bad args, specially for the old obsolete debug handle
382 	*/
383 	if ((hDbg == NULL) ||
384 	    ((hDbg->id == 0) && (((_OldDbgHandle_ *)hDbg)->id == -1)) ||
385 	    (hDbg->Registered != 0)) {
386 		return;
387 	}
388 
389 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "register");
390 
391 	for (id = 1; id < ARRAY_SIZE(clients); id++) {
392 		if (clients[id].hDbg == hDbg) {
393 			/*
394 			  driver already registered
395 			*/
396 			diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
397 			return;
398 		}
399 		if (clients[id].hDbg) { /* slot is busy */
400 			continue;
401 		}
402 		free_id = id;
403 		if (!strcmp(clients[id].drvName, hDbg->drvName)) {
404 			/*
405 			  This driver was already registered with this name
406 			  and slot is still free - reuse it
407 			*/
408 			best_id = 1;
409 			break;
410 		}
411 		if (!clients[id].hDbg) { /* slot is busy */
412 			break;
413 		}
414 	}
415 
416 	if (free_id != -1) {
417 		diva_dbg_entry_head_t *pmsg = NULL;
418 		int len;
419 		char tmp[256];
420 		word size;
421 
422 		/*
423 		  Register new driver with id == free_id
424 		*/
425 		clients[free_id].hDbg = hDbg;
426 		clients[free_id].sec  = sec;
427 		clients[free_id].usec = usec;
428 		strcpy(clients[free_id].drvName, hDbg->drvName);
429 
430 		clients[free_id].dbgMask = hDbg->dbgMask;
431 		if (best_id) {
432 			hDbg->dbgMask |= clients[free_id].last_dbgMask;
433 		} else {
434 			clients[free_id].last_dbgMask = 0;
435 		}
436 
437 		hDbg->Registered = DBG_HANDLE_REG_NEW;
438 		hDbg->id         = (byte)free_id;
439 		hDbg->dbg_end    = DI_deregister;
440 		hDbg->dbg_prt    = DI_format_locked;
441 		hDbg->dbg_ev     = DiProcessEventLog;
442 		hDbg->dbg_irq    = DI_format_locked;
443 		if (hDbg->Version > 0) {
444 			hDbg->dbg_old  = DI_format_old;
445 		}
446 		hDbg->next       = (pDbgHandle)DBG_MAGIC;
447 
448 		/*
449 		  Log driver register, MAINT driver ID is '0'
450 		*/
451 		len = sprintf(tmp, "DIMAINT - drv # %d = '%s' registered",
452 			      free_id, hDbg->drvName);
453 
454 		while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
455 								       (word)(len + 1 + sizeof(*pmsg))))) {
456 			if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
457 				queueFreeMsg(dbg_queue);
458 			} else {
459 				break;
460 			}
461 		}
462 
463 		if (pmsg) {
464 			pmsg->sequence    = dbg_sequence++;
465 			pmsg->time_sec    = sec;
466 			pmsg->time_usec   = usec;
467 			pmsg->facility    = MSG_TYPE_STRING;
468 			pmsg->dli         = DLI_REG;
469 			pmsg->drv_id      = 0; /* id 0 - DIMAINT */
470 			pmsg->di_cpu      = 0;
471 			pmsg->data_length = len + 1;
472 
473 			memcpy(&pmsg[1], tmp, len + 1);
474 			queueCompleteMsg(pmsg);
475 			diva_maint_wakeup_read();
476 		}
477 	}
478 
479 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
480 }
481 
DI_deregister(pDbgHandle hDbg)482 static void DI_deregister(pDbgHandle hDbg) {
483 	diva_os_spin_lock_magic_t old_irql, old_irql1;
484 	dword sec, usec;
485 	int i;
486 	word size;
487 	byte *pmem = NULL;
488 
489 	diva_os_get_time(&sec, &usec);
490 
491 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "read");
492 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "read");
493 
494 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
495 		if (clients[i].hDbg == hDbg) {
496 			diva_dbg_entry_head_t *pmsg;
497 			char tmp[256];
498 			int len;
499 
500 			clients[i].hDbg = NULL;
501 
502 			hDbg->id       = -1;
503 			hDbg->dbgMask  = 0;
504 			hDbg->dbg_end  = NULL;
505 			hDbg->dbg_prt  = NULL;
506 			hDbg->dbg_irq  = NULL;
507 			if (hDbg->Version > 0)
508 				hDbg->dbg_old = NULL;
509 			hDbg->Registered = 0;
510 			hDbg->next     = NULL;
511 
512 			if (clients[i].pIdiLib) {
513 				(*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
514 				clients[i].pIdiLib = NULL;
515 
516 				pmem = clients[i].pmem;
517 				clients[i].pmem = NULL;
518 			}
519 
520 			/*
521 			  Log driver register, MAINT driver ID is '0'
522 			*/
523 			len = sprintf(tmp, "DIMAINT - drv # %d = '%s' de-registered",
524 				      i, hDbg->drvName);
525 
526 			while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
527 									      (word)(len + 1 + sizeof(*pmsg))))) {
528 				if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
529 					queueFreeMsg(dbg_queue);
530 				} else {
531 					break;
532 				}
533 			}
534 
535 			if (pmsg) {
536 				pmsg->sequence    = dbg_sequence++;
537 				pmsg->time_sec    = sec;
538 				pmsg->time_usec   = usec;
539 				pmsg->facility    = MSG_TYPE_STRING;
540 				pmsg->dli         = DLI_REG;
541 				pmsg->drv_id      = 0; /* id 0 - DIMAINT */
542 				pmsg->di_cpu      = 0;
543 				pmsg->data_length = len + 1;
544 
545 				memcpy(&pmsg[1], tmp, len + 1);
546 				queueCompleteMsg(pmsg);
547 				diva_maint_wakeup_read();
548 			}
549 
550 			break;
551 		}
552 	}
553 
554 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "read_ack");
555 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "read_ack");
556 
557 	if (pmem) {
558 		diva_os_free(0, pmem);
559 	}
560 }
561 
DI_format_locked(unsigned short id,int type,char * format,va_list argument_list)562 static void DI_format_locked(unsigned short id,
563 			     int type,
564 			     char *format,
565 			     va_list argument_list) {
566 	DI_format(1, id, type, format, argument_list);
567 }
568 
DI_format(int do_lock,unsigned short id,int type,char * format,va_list ap)569 static void DI_format(int do_lock,
570 		      unsigned short id,
571 		      int type,
572 		      char *format,
573 		      va_list ap) {
574 	diva_os_spin_lock_magic_t old_irql;
575 	dword sec, usec;
576 	diva_dbg_entry_head_t *pmsg = NULL;
577 	dword length;
578 	word size;
579 	static char fmtBuf[MSG_FRAME_MAX_SIZE + sizeof(*pmsg) + 1];
580 	char          *data;
581 	unsigned short code;
582 
583 	if (diva_os_in_irq()) {
584 		dbg_sequence++;
585 		return;
586 	}
587 
588 	if ((!format) ||
589 	    ((TraceFilter[0] != 0) && ((TraceFilterIdent < 0) || (TraceFilterChannel < 0)))) {
590 		return;
591 	}
592 
593 
594 
595 	diva_os_get_time(&sec, &usec);
596 
597 	if (do_lock) {
598 		diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "format");
599 	}
600 
601 	switch (type) {
602 	case DLI_MXLOG:
603 	case DLI_BLK:
604 	case DLI_SEND:
605 	case DLI_RECV:
606 		if (!(length = va_arg(ap, unsigned long))) {
607 			break;
608 		}
609 		if (length > MaxDumpSize) {
610 			length = MaxDumpSize;
611 		}
612 		while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
613 								       (word)length + sizeof(*pmsg)))) {
614 			if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
615 				queueFreeMsg(dbg_queue);
616 			} else {
617 				break;
618 			}
619 		}
620 		if (pmsg) {
621 			memcpy(&pmsg[1], format, length);
622 			pmsg->sequence    = dbg_sequence++;
623 			pmsg->time_sec    = sec;
624 			pmsg->time_usec   = usec;
625 			pmsg->facility    = MSG_TYPE_BINARY;
626 			pmsg->dli         = type; /* DLI_XXX */
627 			pmsg->drv_id      = id;   /* driver MAINT id */
628 			pmsg->di_cpu      = 0;
629 			pmsg->data_length = length;
630 			queueCompleteMsg(pmsg);
631 		}
632 		break;
633 
634 	case DLI_XLOG: {
635 		byte *p;
636 		data    = va_arg(ap, char *);
637 		code    = (unsigned short)va_arg(ap, unsigned int);
638 		length	= (unsigned long)va_arg(ap, unsigned int);
639 
640 		if (length > MaxXlogSize)
641 			length = MaxXlogSize;
642 
643 		while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
644 								      (word)length + sizeof(*pmsg) + 2))) {
645 			if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
646 				queueFreeMsg(dbg_queue);
647 			} else {
648 				break;
649 			}
650 		}
651 		if (pmsg) {
652 			p = (byte *)&pmsg[1];
653 			p[0] = (char)(code);
654 			p[1] = (char)(code >> 8);
655 			if (data && length) {
656 				memcpy(&p[2], &data[0], length);
657 			}
658 			length += 2;
659 
660 			pmsg->sequence    = dbg_sequence++;
661 			pmsg->time_sec    = sec;
662 			pmsg->time_usec   = usec;
663 			pmsg->facility    = MSG_TYPE_BINARY;
664 			pmsg->dli         = type; /* DLI_XXX */
665 			pmsg->drv_id      = id;   /* driver MAINT id */
666 			pmsg->di_cpu      = 0;
667 			pmsg->data_length = length;
668 			queueCompleteMsg(pmsg);
669 		}
670 	} break;
671 
672 	case DLI_LOG:
673 	case DLI_FTL:
674 	case DLI_ERR:
675 	case DLI_TRC:
676 	case DLI_REG:
677 	case DLI_MEM:
678 	case DLI_SPL:
679 	case DLI_IRP:
680 	case DLI_TIM:
681 	case DLI_TAPI:
682 	case DLI_NDIS:
683 	case DLI_CONN:
684 	case DLI_STAT:
685 	case DLI_PRV0:
686 	case DLI_PRV1:
687 	case DLI_PRV2:
688 	case DLI_PRV3:
689 		if ((length = (unsigned long)vsprintf(&fmtBuf[0], format, ap)) > 0) {
690 			length += (sizeof(*pmsg) + 1);
691 
692 			while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
693 									       (word)length))) {
694 				if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
695 					queueFreeMsg(dbg_queue);
696 				} else {
697 					break;
698 				}
699 			}
700 
701 			pmsg->sequence    = dbg_sequence++;
702 			pmsg->time_sec    = sec;
703 			pmsg->time_usec   = usec;
704 			pmsg->facility    = MSG_TYPE_STRING;
705 			pmsg->dli         = type; /* DLI_XXX */
706 			pmsg->drv_id      = id;   /* driver MAINT id */
707 			pmsg->di_cpu      = 0;
708 			pmsg->data_length = length - sizeof(*pmsg);
709 
710 			memcpy(&pmsg[1], fmtBuf, pmsg->data_length);
711 			queueCompleteMsg(pmsg);
712 		}
713 		break;
714 
715 	} /* switch type */
716 
717 
718 	if (queueCount(dbg_queue)) {
719 		diva_maint_wakeup_read();
720 	}
721 
722 	if (do_lock) {
723 		diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "format");
724 	}
725 }
726 
727 /*
728   Write driver ID and driver revision to callers buffer
729 */
diva_get_driver_info(dword id,byte * data,int data_length)730 int diva_get_driver_info(dword id, byte *data, int data_length) {
731 	diva_os_spin_lock_magic_t old_irql;
732 	byte *p = data;
733 	int to_copy;
734 
735 	if (!data || !id || (data_length < 17) ||
736 	    (id >= ARRAY_SIZE(clients))) {
737 		return (-1);
738 	}
739 
740 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "driver info");
741 
742 	if (clients[id].hDbg) {
743 		*p++ = 1;
744 		*p++ = (byte)clients[id].sec; /* save seconds */
745 		*p++ = (byte)(clients[id].sec >>  8);
746 		*p++ = (byte)(clients[id].sec >> 16);
747 		*p++ = (byte)(clients[id].sec >> 24);
748 
749 		*p++ = (byte)(clients[id].usec / 1000); /* save mseconds */
750 		*p++ = (byte)((clients[id].usec / 1000) >>  8);
751 		*p++ = (byte)((clients[id].usec / 1000) >> 16);
752 		*p++ = (byte)((clients[id].usec / 1000) >> 24);
753 
754 		data_length -= 9;
755 
756 		if ((to_copy = min(strlen(clients[id].drvName), (size_t)(data_length - 1)))) {
757 			memcpy(p, clients[id].drvName, to_copy);
758 			p += to_copy;
759 			data_length -= to_copy;
760 			if ((data_length >= 4) && clients[id].hDbg->drvTag[0]) {
761 				*p++ = '(';
762 				data_length -= 1;
763 				if ((to_copy = min(strlen(clients[id].hDbg->drvTag), (size_t)(data_length - 2)))) {
764 					memcpy(p, clients[id].hDbg->drvTag, to_copy);
765 					p += to_copy;
766 					data_length -= to_copy;
767 					if (data_length >= 2) {
768 						*p++ = ')';
769 						data_length--;
770 					}
771 				}
772 			}
773 		}
774 	}
775 	*p++ = 0;
776 
777 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "driver info");
778 
779 	return (p - data);
780 }
781 
diva_get_driver_dbg_mask(dword id,byte * data)782 int diva_get_driver_dbg_mask(dword id, byte *data) {
783 	diva_os_spin_lock_magic_t old_irql;
784 	int ret = -1;
785 
786 	if (!data || !id || (id >= ARRAY_SIZE(clients))) {
787 		return (-1);
788 	}
789 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "driver info");
790 
791 	if (clients[id].hDbg) {
792 		ret = 4;
793 		*data++ = (byte)(clients[id].hDbg->dbgMask);
794 		*data++ = (byte)(clients[id].hDbg->dbgMask >>  8);
795 		*data++ = (byte)(clients[id].hDbg->dbgMask >> 16);
796 		*data++ = (byte)(clients[id].hDbg->dbgMask >> 24);
797 	}
798 
799 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "driver info");
800 
801 	return (ret);
802 }
803 
diva_set_driver_dbg_mask(dword id,dword mask)804 int diva_set_driver_dbg_mask(dword id, dword mask) {
805 	diva_os_spin_lock_magic_t old_irql, old_irql1;
806 	int ret = -1;
807 
808 
809 	if (!id || (id >= ARRAY_SIZE(clients))) {
810 		return (-1);
811 	}
812 
813 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "dbg mask");
814 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "dbg mask");
815 
816 	if (clients[id].hDbg) {
817 		dword old_mask = clients[id].hDbg->dbgMask;
818 		mask &= 0x7fffffff;
819 		clients[id].hDbg->dbgMask = mask;
820 		clients[id].last_dbgMask = (clients[id].hDbg->dbgMask | clients[id].dbgMask);
821 		ret = 4;
822 		diva_change_management_debug_mask(&clients[id], old_mask);
823 	}
824 
825 
826 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "dbg mask");
827 
828 	if (clients[id].request_pending) {
829 		clients[id].request_pending = 0;
830 		(*(clients[id].request))((ENTITY *)(*(clients[id].pIdiLib->DivaSTraceGetHandle))(clients[id].pIdiLib->hLib));
831 	}
832 
833 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "dbg mask");
834 
835 	return (ret);
836 }
837 
diva_get_idi_adapter_info(IDI_CALL request,dword * serial,dword * logical)838 static int diva_get_idi_adapter_info(IDI_CALL request, dword *serial, dword *logical) {
839 	IDI_SYNC_REQ sync_req;
840 
841 	sync_req.xdi_logical_adapter_number.Req = 0;
842 	sync_req.xdi_logical_adapter_number.Rc = IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER;
843 	(*request)((ENTITY *)&sync_req);
844 	*logical = sync_req.xdi_logical_adapter_number.info.logical_adapter_number;
845 
846 	sync_req.GetSerial.Req = 0;
847 	sync_req.GetSerial.Rc = IDI_SYNC_REQ_GET_SERIAL;
848 	sync_req.GetSerial.serial = 0;
849 	(*request)((ENTITY *)&sync_req);
850 	*serial = sync_req.GetSerial.serial;
851 
852 	return (0);
853 }
854 
855 /*
856   Register XDI adapter as MAINT compatible driver
857 */
diva_mnt_add_xdi_adapter(const DESCRIPTOR * d)858 void diva_mnt_add_xdi_adapter(const DESCRIPTOR *d) {
859 	diva_os_spin_lock_magic_t old_irql, old_irql1;
860 	dword sec, usec, logical, serial, org_mask;
861 	int id, free_id = -1;
862 	char tmp[128];
863 	diva_dbg_entry_head_t *pmsg = NULL;
864 	int len;
865 	word size;
866 	byte *pmem;
867 
868 	diva_os_get_time(&sec, &usec);
869 	diva_get_idi_adapter_info(d->request, &serial, &logical);
870 	if (serial & 0xff000000) {
871 		sprintf(tmp, "ADAPTER:%d SN:%u-%d",
872 			(int)logical,
873 			serial & 0x00ffffff,
874 			(byte)(((serial & 0xff000000) >> 24) + 1));
875 	} else {
876 		sprintf(tmp, "ADAPTER:%d SN:%u", (int)logical, serial);
877 	}
878 
879 	if (!(pmem = diva_os_malloc(0, DivaSTraceGetMemotyRequirement(d->channels)))) {
880 		return;
881 	}
882 	memset(pmem, 0x00, DivaSTraceGetMemotyRequirement(d->channels));
883 
884 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "register");
885 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "register");
886 
887 	for (id = 1; id < ARRAY_SIZE(clients); id++) {
888 		if (clients[id].hDbg && (clients[id].request == d->request)) {
889 			diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
890 			diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "register");
891 			diva_os_free(0, pmem);
892 			return;
893 		}
894 		if (clients[id].hDbg) { /* slot is busy */
895 			continue;
896 		}
897 		if (free_id < 0) {
898 			free_id = id;
899 		}
900 		if (!strcmp(clients[id].drvName, tmp)) {
901 			/*
902 			  This driver was already registered with this name
903 			  and slot is still free - reuse it
904 			*/
905 			free_id = id;
906 			break;
907 		}
908 	}
909 
910 	if (free_id < 0) {
911 		diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
912 		diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "register");
913 		diva_os_free(0, pmem);
914 		return;
915 	}
916 
917 	id = free_id;
918 	clients[id].request  = d->request;
919 	clients[id].request_pending = 0;
920 	clients[id].hDbg     = &clients[id].Dbg;
921 	clients[id].sec      = sec;
922 	clients[id].usec     = usec;
923 	strcpy(clients[id].drvName,     tmp);
924 	strcpy(clients[id].Dbg.drvName, tmp);
925 	clients[id].Dbg.drvTag[0] = 0;
926 	clients[id].logical  = (int)logical;
927 	clients[id].channels = (int)d->channels;
928 	clients[id].dma_handle = -1;
929 
930 	clients[id].Dbg.dbgMask    = 0;
931 	clients[id].dbgMask        = clients[id].Dbg.dbgMask;
932 	if (id) {
933 		clients[id].Dbg.dbgMask |= clients[free_id].last_dbgMask;
934 	} else {
935 		clients[id].last_dbgMask = 0;
936 	}
937 	clients[id].Dbg.Registered = DBG_HANDLE_REG_NEW;
938 	clients[id].Dbg.id         = (byte)id;
939 	clients[id].Dbg.dbg_end    = DI_deregister;
940 	clients[id].Dbg.dbg_prt    = DI_format_locked;
941 	clients[id].Dbg.dbg_ev     = DiProcessEventLog;
942 	clients[id].Dbg.dbg_irq    = DI_format_locked;
943 	clients[id].Dbg.next       = (pDbgHandle)DBG_MAGIC;
944 
945 	{
946 		diva_trace_library_user_interface_t diva_maint_user_ifc = { &clients[id],
947 									    diva_maint_state_change_notify,
948 									    diva_maint_trace_notify,
949 									    diva_maint_error };
950 
951 		/*
952 		  Attach to adapter management interface
953 		*/
954 		if ((clients[id].pIdiLib =
955 		     DivaSTraceLibraryCreateInstance((int)logical, &diva_maint_user_ifc, pmem))) {
956 			if (((*(clients[id].pIdiLib->DivaSTraceLibraryStart))(clients[id].pIdiLib->hLib))) {
957 				diva_mnt_internal_dprintf(0, DLI_ERR, "Adapter(%d) Start failed", (int)logical);
958 				(*(clients[id].pIdiLib->DivaSTraceLibraryFinit))(clients[id].pIdiLib->hLib);
959 				clients[id].pIdiLib = NULL;
960 			}
961 		} else {
962 			diva_mnt_internal_dprintf(0, DLI_ERR, "A(%d) management init failed", (int)logical);
963 		}
964 	}
965 
966 	if (!clients[id].pIdiLib) {
967 		clients[id].request = NULL;
968 		clients[id].request_pending = 0;
969 		clients[id].hDbg    = NULL;
970 		diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
971 		diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "register");
972 		diva_os_free(0, pmem);
973 		return;
974 	}
975 
976 	/*
977 	  Log driver register, MAINT driver ID is '0'
978 	*/
979 	len = sprintf(tmp, "DIMAINT - drv # %d = '%s' registered",
980 		      id, clients[id].Dbg.drvName);
981 
982 	while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
983 							       (word)(len + 1 + sizeof(*pmsg))))) {
984 		if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
985 			queueFreeMsg(dbg_queue);
986 		} else {
987 			break;
988 		}
989 	}
990 
991 	if (pmsg) {
992 		pmsg->sequence    = dbg_sequence++;
993 		pmsg->time_sec    = sec;
994 		pmsg->time_usec   = usec;
995 		pmsg->facility    = MSG_TYPE_STRING;
996 		pmsg->dli         = DLI_REG;
997 		pmsg->drv_id      = 0; /* id 0 - DIMAINT */
998 		pmsg->di_cpu      = 0;
999 		pmsg->data_length = len + 1;
1000 
1001 		memcpy(&pmsg[1], tmp, len + 1);
1002 		queueCompleteMsg(pmsg);
1003 		diva_maint_wakeup_read();
1004 	}
1005 
1006 	org_mask = clients[id].Dbg.dbgMask;
1007 	clients[id].Dbg.dbgMask = 0;
1008 
1009 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "register");
1010 
1011 	if (clients[id].request_pending) {
1012 		clients[id].request_pending = 0;
1013 		(*(clients[id].request))((ENTITY *)(*(clients[id].pIdiLib->DivaSTraceGetHandle))(clients[id].pIdiLib->hLib));
1014 	}
1015 
1016 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "register");
1017 
1018 	diva_set_driver_dbg_mask(id, org_mask);
1019 }
1020 
1021 /*
1022   De-Register XDI adapter
1023 */
diva_mnt_remove_xdi_adapter(const DESCRIPTOR * d)1024 void diva_mnt_remove_xdi_adapter(const DESCRIPTOR *d) {
1025 	diva_os_spin_lock_magic_t old_irql, old_irql1;
1026 	dword sec, usec;
1027 	int i;
1028 	word size;
1029 	byte *pmem = NULL;
1030 
1031 	diva_os_get_time(&sec, &usec);
1032 
1033 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "read");
1034 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "read");
1035 
1036 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
1037 		if (clients[i].hDbg && (clients[i].request == d->request)) {
1038 			diva_dbg_entry_head_t *pmsg;
1039 			char tmp[256];
1040 			int len;
1041 
1042 			if (clients[i].pIdiLib) {
1043 				(*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
1044 				clients[i].pIdiLib = NULL;
1045 
1046 				pmem = clients[i].pmem;
1047 				clients[i].pmem = NULL;
1048 			}
1049 
1050 			clients[i].hDbg    = NULL;
1051 			clients[i].request_pending = 0;
1052 			if (clients[i].dma_handle >= 0) {
1053 				/*
1054 				  Free DMA handle
1055 				*/
1056 				diva_free_dma_descriptor(clients[i].request, clients[i].dma_handle);
1057 				clients[i].dma_handle = -1;
1058 			}
1059 			clients[i].request = NULL;
1060 
1061 			/*
1062 			  Log driver register, MAINT driver ID is '0'
1063 			*/
1064 			len = sprintf(tmp, "DIMAINT - drv # %d = '%s' de-registered",
1065 				      i, clients[i].Dbg.drvName);
1066 
1067 			memset(&clients[i].Dbg, 0x00, sizeof(clients[i].Dbg));
1068 
1069 			while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
1070 									       (word)(len + 1 + sizeof(*pmsg))))) {
1071 				if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
1072 					queueFreeMsg(dbg_queue);
1073 				} else {
1074 					break;
1075 				}
1076 			}
1077 
1078 			if (pmsg) {
1079 				pmsg->sequence    = dbg_sequence++;
1080 				pmsg->time_sec    = sec;
1081 				pmsg->time_usec   = usec;
1082 				pmsg->facility    = MSG_TYPE_STRING;
1083 				pmsg->dli         = DLI_REG;
1084 				pmsg->drv_id      = 0; /* id 0 - DIMAINT */
1085 				pmsg->di_cpu      = 0;
1086 				pmsg->data_length = len + 1;
1087 
1088 				memcpy(&pmsg[1], tmp, len + 1);
1089 				queueCompleteMsg(pmsg);
1090 				diva_maint_wakeup_read();
1091 			}
1092 
1093 			break;
1094 		}
1095 	}
1096 
1097 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "read_ack");
1098 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "read_ack");
1099 
1100 	if (pmem) {
1101 		diva_os_free(0, pmem);
1102 	}
1103 }
1104 
1105 /* ----------------------------------------------------------------
1106    Low level interface for management interface client
1107    ---------------------------------------------------------------- */
1108 /*
1109   Return handle to client structure
1110 */
SuperTraceOpenAdapter(int AdapterNumber)1111 void *SuperTraceOpenAdapter(int AdapterNumber) {
1112 	int i;
1113 
1114 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
1115 		if (clients[i].hDbg && clients[i].request && (clients[i].logical == AdapterNumber)) {
1116 			return (&clients[i]);
1117 		}
1118 	}
1119 
1120 	return NULL;
1121 }
1122 
SuperTraceCloseAdapter(void * AdapterHandle)1123 int SuperTraceCloseAdapter(void *AdapterHandle) {
1124 	return (0);
1125 }
1126 
SuperTraceReadRequest(void * AdapterHandle,const char * name,byte * data)1127 int SuperTraceReadRequest(void *AdapterHandle, const char *name, byte *data) {
1128 	diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1129 
1130 	if (pC && pC->pIdiLib && pC->request) {
1131 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1132 		byte *xdata = (byte *)&pC->xbuffer[0];
1133 		char tmp = 0;
1134 		word length;
1135 
1136 		if (!strcmp(name, "\\")) { /* Read ROOT */
1137 			name = &tmp;
1138 		}
1139 		length = SuperTraceCreateReadReq(xdata, name);
1140 		single_p(xdata, &length, 0); /* End Of Message */
1141 
1142 		e->Req        = MAN_READ;
1143 		e->ReqCh      = 0;
1144 		e->X->PLength = length;
1145 		e->X->P	= (byte *)xdata;
1146 
1147 		pC->request_pending = 1;
1148 
1149 		return (0);
1150 	}
1151 
1152 	return (-1);
1153 }
1154 
SuperTraceGetNumberOfChannels(void * AdapterHandle)1155 int SuperTraceGetNumberOfChannels(void *AdapterHandle) {
1156 	if (AdapterHandle) {
1157 		diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1158 
1159 		return (pC->channels);
1160 	}
1161 
1162 	return (0);
1163 }
1164 
SuperTraceASSIGN(void * AdapterHandle,byte * data)1165 int SuperTraceASSIGN(void *AdapterHandle, byte *data) {
1166 	diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1167 
1168 	if (pC && pC->pIdiLib && pC->request) {
1169 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1170 		IDI_SYNC_REQ *preq;
1171 		char buffer[((sizeof(preq->xdi_extended_features) + 4) > sizeof(ENTITY)) ? (sizeof(preq->xdi_extended_features) + 4) : sizeof(ENTITY)];
1172 		char features[4];
1173 		word assign_data_length = 1;
1174 
1175 		features[0] = 0;
1176 		pC->xbuffer[0] = 0;
1177 		preq = (IDI_SYNC_REQ *)&buffer[0];
1178 		preq->xdi_extended_features.Req = 0;
1179 		preq->xdi_extended_features.Rc  = IDI_SYNC_REQ_XDI_GET_EXTENDED_FEATURES;
1180 		preq->xdi_extended_features.info.buffer_length_in_bytes = sizeof(features);
1181 		preq->xdi_extended_features.info.features = &features[0];
1182 
1183 		(*(pC->request))((ENTITY *)preq);
1184 
1185 		if ((features[0] & DIVA_XDI_EXTENDED_FEATURES_VALID) &&
1186 		    (features[0] & DIVA_XDI_EXTENDED_FEATURE_MANAGEMENT_DMA)) {
1187 			dword uninitialized_var(rx_dma_magic);
1188 			if ((pC->dma_handle = diva_get_dma_descriptor(pC->request, &rx_dma_magic)) >= 0) {
1189 				pC->xbuffer[0] = LLI;
1190 				pC->xbuffer[1] = 8;
1191 				pC->xbuffer[2] = 0x40;
1192 				pC->xbuffer[3] = (byte)pC->dma_handle;
1193 				pC->xbuffer[4] = (byte)rx_dma_magic;
1194 				pC->xbuffer[5] = (byte)(rx_dma_magic >>  8);
1195 				pC->xbuffer[6] = (byte)(rx_dma_magic >> 16);
1196 				pC->xbuffer[7] = (byte)(rx_dma_magic >> 24);
1197 				pC->xbuffer[8] = (byte)(DIVA_MAX_MANAGEMENT_TRANSFER_SIZE & 0xFF);
1198 				pC->xbuffer[9] = (byte)(DIVA_MAX_MANAGEMENT_TRANSFER_SIZE >> 8);
1199 				pC->xbuffer[10] = 0;
1200 
1201 				assign_data_length = 11;
1202 			}
1203 		} else {
1204 			pC->dma_handle = -1;
1205 		}
1206 
1207 		e->Id          = MAN_ID;
1208 		e->callback    = diva_maint_xdi_cb;
1209 		e->XNum        = 1;
1210 		e->X           = &pC->XData;
1211 		e->Req         = ASSIGN;
1212 		e->ReqCh       = 0;
1213 		e->X->PLength  = assign_data_length;
1214 		e->X->P        = (byte *)&pC->xbuffer[0];
1215 
1216 		pC->request_pending = 1;
1217 
1218 		return (0);
1219 	}
1220 
1221 	return (-1);
1222 }
1223 
SuperTraceREMOVE(void * AdapterHandle)1224 int SuperTraceREMOVE(void *AdapterHandle) {
1225 	diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1226 
1227 	if (pC && pC->pIdiLib && pC->request) {
1228 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1229 
1230 		e->XNum        = 1;
1231 		e->X           = &pC->XData;
1232 		e->Req         = REMOVE;
1233 		e->ReqCh       = 0;
1234 		e->X->PLength  = 1;
1235 		e->X->P        = (byte *)&pC->xbuffer[0];
1236 		pC->xbuffer[0] = 0;
1237 
1238 		pC->request_pending = 1;
1239 
1240 		return (0);
1241 	}
1242 
1243 	return (-1);
1244 }
1245 
SuperTraceTraceOnRequest(void * hAdapter,const char * name,byte * data)1246 int SuperTraceTraceOnRequest(void *hAdapter, const char *name, byte *data) {
1247 	diva_maint_client_t *pC = (diva_maint_client_t *)hAdapter;
1248 
1249 	if (pC && pC->pIdiLib && pC->request) {
1250 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1251 		byte *xdata = (byte *)&pC->xbuffer[0];
1252 		char tmp = 0;
1253 		word length;
1254 
1255 		if (!strcmp(name, "\\")) { /* Read ROOT */
1256 			name = &tmp;
1257 		}
1258 		length = SuperTraceCreateReadReq(xdata, name);
1259 		single_p(xdata, &length, 0); /* End Of Message */
1260 		e->Req          = MAN_EVENT_ON;
1261 		e->ReqCh        = 0;
1262 		e->X->PLength   = length;
1263 		e->X->P = (byte *)xdata;
1264 
1265 		pC->request_pending = 1;
1266 
1267 		return (0);
1268 	}
1269 
1270 	return (-1);
1271 }
1272 
SuperTraceWriteVar(void * AdapterHandle,byte * data,const char * name,void * var,byte type,byte var_length)1273 int SuperTraceWriteVar(void *AdapterHandle,
1274 		       byte *data,
1275 		       const char *name,
1276 		       void *var,
1277 		       byte type,
1278 		       byte var_length) {
1279 	diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1280 
1281 	if (pC && pC->pIdiLib && pC->request) {
1282 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1283 		diva_man_var_header_t *pVar = (diva_man_var_header_t *)&pC->xbuffer[0];
1284 		word length = SuperTraceCreateReadReq((byte *)pVar, name);
1285 
1286 		memcpy(&pC->xbuffer[length], var, var_length);
1287 		length += var_length;
1288 		pVar->length += var_length;
1289 		pVar->value_length = var_length;
1290 		pVar->type = type;
1291 		single_p((byte *)pVar, &length, 0); /* End Of Message */
1292 
1293 		e->Req = MAN_WRITE;
1294 		e->ReqCh = 0;
1295 		e->X->PLength   = length;
1296 		e->X->P = (byte *)pVar;
1297 
1298 		pC->request_pending = 1;
1299 
1300 		return (0);
1301 	}
1302 
1303 	return (-1);
1304 }
1305 
SuperTraceExecuteRequest(void * AdapterHandle,const char * name,byte * data)1306 int SuperTraceExecuteRequest(void *AdapterHandle,
1307 			     const char *name,
1308 			     byte *data) {
1309 	diva_maint_client_t *pC = (diva_maint_client_t *)AdapterHandle;
1310 
1311 	if (pC && pC->pIdiLib && pC->request) {
1312 		ENTITY *e = (ENTITY *)(*(pC->pIdiLib->DivaSTraceGetHandle))(pC->pIdiLib->hLib);
1313 		byte *xdata = (byte *)&pC->xbuffer[0];
1314 		word length;
1315 
1316 		length = SuperTraceCreateReadReq(xdata, name);
1317 		single_p(xdata, &length, 0); /* End Of Message */
1318 
1319 		e->Req = MAN_EXECUTE;
1320 		e->ReqCh = 0;
1321 		e->X->PLength = length;
1322 		e->X->P = (byte *)xdata;
1323 
1324 		pC->request_pending = 1;
1325 
1326 		return (0);
1327 	}
1328 
1329 	return (-1);
1330 }
1331 
SuperTraceCreateReadReq(byte * P,const char * path)1332 static word SuperTraceCreateReadReq(byte *P, const char *path) {
1333 	byte var_length;
1334 	byte *plen;
1335 
1336 	var_length = (byte)strlen(path);
1337 
1338 	*P++ = ESC;
1339 	plen = P++;
1340 	*P++ = 0x80; /* MAN_IE */
1341 	*P++ = 0x00; /* Type */
1342 	*P++ = 0x00; /* Attribute */
1343 	*P++ = 0x00; /* Status */
1344 	*P++ = 0x00; /* Variable Length */
1345 	*P++ = var_length;
1346 	memcpy(P, path, var_length);
1347 	P += var_length;
1348 	*plen = var_length + 0x06;
1349 
1350 	return ((word)(var_length + 0x08));
1351 }
1352 
single_p(byte * P,word * PLength,byte Id)1353 static void single_p(byte *P, word *PLength, byte Id) {
1354 	P[(*PLength)++] = Id;
1355 }
1356 
diva_maint_xdi_cb(ENTITY * e)1357 static void diva_maint_xdi_cb(ENTITY *e) {
1358 	diva_strace_context_t *pLib = DIVAS_CONTAINING_RECORD(e, diva_strace_context_t, e);
1359 	diva_maint_client_t *pC;
1360 	diva_os_spin_lock_magic_t old_irql, old_irql1;
1361 
1362 
1363 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "xdi_cb");
1364 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "xdi_cb");
1365 
1366 	pC = (diva_maint_client_t *)pLib->hAdapter;
1367 
1368 	if ((e->complete == 255) || (pC->dma_handle < 0)) {
1369 		if ((*(pLib->instance.DivaSTraceMessageInput))(&pLib->instance)) {
1370 			diva_mnt_internal_dprintf(0, DLI_ERR, "Trace internal library error");
1371 		}
1372 	} else {
1373 		/*
1374 		  Process combined management interface indication
1375 		*/
1376 		if ((*(pLib->instance.DivaSTraceMessageInput))(&pLib->instance)) {
1377 			diva_mnt_internal_dprintf(0, DLI_ERR, "Trace internal library error (DMA mode)");
1378 		}
1379 	}
1380 
1381 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "xdi_cb");
1382 
1383 
1384 	if (pC->request_pending) {
1385 		pC->request_pending = 0;
1386 		(*(pC->request))(e);
1387 	}
1388 
1389 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "xdi_cb");
1390 }
1391 
1392 
diva_maint_error(void * user_context,diva_strace_library_interface_t * hLib,int Adapter,int error,const char * file,int line)1393 static void diva_maint_error(void *user_context,
1394 			     diva_strace_library_interface_t *hLib,
1395 			     int Adapter,
1396 			     int error,
1397 			     const char *file,
1398 			     int line) {
1399 	diva_mnt_internal_dprintf(0, DLI_ERR,
1400 				  "Trace library error(%d) A(%d) %s %d", error, Adapter, file, line);
1401 }
1402 
print_ie(diva_trace_ie_t * ie,char * buffer,int length)1403 static void print_ie(diva_trace_ie_t *ie, char *buffer, int length) {
1404 	int i;
1405 
1406 	buffer[0] = 0;
1407 
1408 	if (length > 32) {
1409 		for (i = 0; ((i < ie->length) && (length > 3)); i++) {
1410 			sprintf(buffer, "%02x", ie->data[i]);
1411 			buffer += 2;
1412 			length -= 2;
1413 			if (i < (ie->length - 1)) {
1414 				strcpy(buffer, " ");
1415 				buffer++;
1416 				length--;
1417 			}
1418 		}
1419 	}
1420 }
1421 
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)1422 static void diva_maint_state_change_notify(void *user_context,
1423 					   diva_strace_library_interface_t *hLib,
1424 					   int Adapter,
1425 					   diva_trace_line_state_t *channel,
1426 					   int notify_subject) {
1427 	diva_maint_client_t *pC = (diva_maint_client_t *)user_context;
1428 	diva_trace_fax_state_t *fax = &channel->fax;
1429 	diva_trace_modem_state_t *modem = &channel->modem;
1430 	char tmp[256];
1431 
1432 	if (!pC->hDbg) {
1433 		return;
1434 	}
1435 
1436 	switch (notify_subject) {
1437 	case DIVA_SUPER_TRACE_NOTIFY_LINE_CHANGE: {
1438 		int view = (TraceFilter[0] == 0);
1439 		/*
1440 		  Process selective Trace
1441 		*/
1442 		if (channel->Line[0] == 'I' && channel->Line[1] == 'd' &&
1443 		    channel->Line[2] == 'l' && channel->Line[3] == 'e') {
1444 			if ((TraceFilterIdent == pC->hDbg->id) && (TraceFilterChannel == (int)channel->ChannelNumber)) {
1445 				(*(hLib->DivaSTraceSetBChannel))(hLib, (int)channel->ChannelNumber, 0);
1446 				(*(hLib->DivaSTraceSetAudioTap))(hLib, (int)channel->ChannelNumber, 0);
1447 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG, "Selective Trace OFF for Ch=%d",
1448 							  (int)channel->ChannelNumber);
1449 				TraceFilterIdent   = -1;
1450 				TraceFilterChannel = -1;
1451 				view = 1;
1452 			}
1453 		} else if (TraceFilter[0] && (TraceFilterIdent < 0) && !(diva_mnt_cmp_nmbr(&channel->RemoteAddress[0]) &&
1454 									 diva_mnt_cmp_nmbr(&channel->LocalAddress[0]))) {
1455 
1456 			if ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0) { /* Activate B-channel trace */
1457 				(*(hLib->DivaSTraceSetBChannel))(hLib, (int)channel->ChannelNumber, 1);
1458 			}
1459 			if ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO) != 0) { /* Activate AudioTap Trace */
1460 				(*(hLib->DivaSTraceSetAudioTap))(hLib, (int)channel->ChannelNumber, 1);
1461 			}
1462 
1463 			TraceFilterIdent   = pC->hDbg->id;
1464 			TraceFilterChannel = (int)channel->ChannelNumber;
1465 
1466 			if (TraceFilterIdent >= 0) {
1467 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG, "Selective Trace ON for Ch=%d",
1468 							  (int)channel->ChannelNumber);
1469 				view = 1;
1470 			}
1471 		}
1472 		if (view && (pC->hDbg->dbgMask & DIVA_MGT_DBG_LINE_EVENTS)) {
1473 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Ch     = %d",
1474 						  (int)channel->ChannelNumber);
1475 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Status = <%s>", &channel->Line[0]);
1476 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Layer1 = <%s>", &channel->Framing[0]);
1477 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Layer2 = <%s>", &channel->Layer2[0]);
1478 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Layer3 = <%s>", &channel->Layer3[0]);
1479 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L RAddr  = <%s>",
1480 						  &channel->RemoteAddress[0]);
1481 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L RSAddr = <%s>",
1482 						  &channel->RemoteSubAddress[0]);
1483 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L LAddr  = <%s>",
1484 						  &channel->LocalAddress[0]);
1485 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L LSAddr = <%s>",
1486 						  &channel->LocalSubAddress[0]);
1487 			print_ie(&channel->call_BC, tmp, sizeof(tmp));
1488 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L BC     = <%s>", tmp);
1489 			print_ie(&channel->call_HLC, tmp, sizeof(tmp));
1490 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L HLC    = <%s>", tmp);
1491 			print_ie(&channel->call_LLC, tmp, sizeof(tmp));
1492 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L LLC    = <%s>", tmp);
1493 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L CR     = 0x%x", channel->CallReference);
1494 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Disc   = 0x%x",
1495 						  channel->LastDisconnecCause);
1496 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "L Owner  = <%s>", &channel->UserID[0]);
1497 		}
1498 
1499 	} break;
1500 
1501 	case DIVA_SUPER_TRACE_NOTIFY_MODEM_CHANGE:
1502 		if (pC->hDbg->dbgMask & DIVA_MGT_DBG_MDM_PROGRESS) {
1503 			{
1504 				int ch = TraceFilterChannel;
1505 				int id = TraceFilterIdent;
1506 
1507 				if ((id >= 0) && (ch >= 0) && (id < ARRAY_SIZE(clients)) &&
1508 				    (clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
1509 					if (ch != (int)modem->ChannelNumber) {
1510 						break;
1511 					}
1512 				} else if (TraceFilter[0] != 0) {
1513 					break;
1514 				}
1515 			}
1516 
1517 
1518 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Ch    = %lu",
1519 						  (int)modem->ChannelNumber);
1520 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Event = %lu", modem->Event);
1521 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Norm  = %lu", modem->Norm);
1522 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Opts. = 0x%08x", modem->Options);
1523 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Tx    = %lu Bps", modem->TxSpeed);
1524 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Rx    = %lu Bps", modem->RxSpeed);
1525 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RT    = %lu mSec",
1526 						  modem->RoundtripMsec);
1527 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Sr    = %lu", modem->SymbolRate);
1528 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Rxl   = %d dBm", modem->RxLeveldBm);
1529 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM El    = %d dBm", modem->EchoLeveldBm);
1530 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM SNR   = %lu dB", modem->SNRdb);
1531 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM MAE   = %lu", modem->MAE);
1532 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM LRet  = %lu",
1533 						  modem->LocalRetrains);
1534 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RRet  = %lu",
1535 						  modem->RemoteRetrains);
1536 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM LRes  = %lu", modem->LocalResyncs);
1537 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM RRes  = %lu",
1538 						  modem->RemoteResyncs);
1539 			if (modem->Event == 3) {
1540 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "MDM Disc  =  %lu", modem->DiscReason);
1541 			}
1542 		}
1543 		if ((modem->Event == 3) && (pC->hDbg->dbgMask & DIVA_MGT_DBG_MDM_STATISTICS)) {
1544 			(*(pC->pIdiLib->DivaSTraceGetModemStatistics))(pC->pIdiLib);
1545 		}
1546 		break;
1547 
1548 	case DIVA_SUPER_TRACE_NOTIFY_FAX_CHANGE:
1549 		if (pC->hDbg->dbgMask & DIVA_MGT_DBG_FAX_PROGRESS) {
1550 			{
1551 				int ch = TraceFilterChannel;
1552 				int id = TraceFilterIdent;
1553 
1554 				if ((id >= 0) && (ch >= 0) && (id < ARRAY_SIZE(clients)) &&
1555 				    (clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
1556 					if (ch != (int)fax->ChannelNumber) {
1557 						break;
1558 					}
1559 				} else if (TraceFilter[0] != 0) {
1560 					break;
1561 				}
1562 			}
1563 
1564 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Ch    = %lu", (int)fax->ChannelNumber);
1565 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Event = %lu",     fax->Event);
1566 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Pages = %lu",     fax->Page_Counter);
1567 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Feat. = 0x%08x",  fax->Features);
1568 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX ID    = <%s>",    &fax->Station_ID[0]);
1569 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Saddr = <%s>",    &fax->Subaddress[0]);
1570 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Pwd   = <%s>",    &fax->Password[0]);
1571 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Speed = %lu",     fax->Speed);
1572 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Res.  = 0x%08x",  fax->Resolution);
1573 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Width = %lu",     fax->Paper_Width);
1574 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Length= %lu",     fax->Paper_Length);
1575 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX SLT   = %lu",     fax->Scanline_Time);
1576 			if (fax->Event == 3) {
1577 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT, "FAX Disc  = %lu",     fax->Disc_Reason);
1578 			}
1579 		}
1580 		if ((fax->Event == 3) && (pC->hDbg->dbgMask & DIVA_MGT_DBG_FAX_STATISTICS)) {
1581 			(*(pC->pIdiLib->DivaSTraceGetFaxStatistics))(pC->pIdiLib);
1582 		}
1583 		break;
1584 
1585 	case DIVA_SUPER_TRACE_INTERFACE_CHANGE:
1586 		if (pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_EVENTS) {
1587 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT,
1588 						  "Layer 1 -> [%s]", channel->pInterface->Layer1);
1589 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_STAT,
1590 						  "Layer 2 -> [%s]", channel->pInterface->Layer2);
1591 		}
1592 		break;
1593 
1594 	case DIVA_SUPER_TRACE_NOTIFY_STAT_CHANGE:
1595 		if (pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_STATISTICS) {
1596 			/*
1597 			  Incoming Statistics
1598 			*/
1599 			if (channel->pInterfaceStat->inc.Calls) {
1600 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1601 							  "Inc Calls                     =%lu", channel->pInterfaceStat->inc.Calls);
1602 			}
1603 			if (channel->pInterfaceStat->inc.Connected) {
1604 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1605 							  "Inc Connected                 =%lu", channel->pInterfaceStat->inc.Connected);
1606 			}
1607 			if (channel->pInterfaceStat->inc.User_Busy) {
1608 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1609 							  "Inc Busy                      =%lu", channel->pInterfaceStat->inc.User_Busy);
1610 			}
1611 			if (channel->pInterfaceStat->inc.Call_Rejected) {
1612 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1613 							  "Inc Rejected                  =%lu", channel->pInterfaceStat->inc.Call_Rejected);
1614 			}
1615 			if (channel->pInterfaceStat->inc.Wrong_Number) {
1616 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1617 							  "Inc Wrong Nr                  =%lu", channel->pInterfaceStat->inc.Wrong_Number);
1618 			}
1619 			if (channel->pInterfaceStat->inc.Incompatible_Dst) {
1620 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1621 							  "Inc Incomp. Dest              =%lu", channel->pInterfaceStat->inc.Incompatible_Dst);
1622 			}
1623 			if (channel->pInterfaceStat->inc.Out_of_Order) {
1624 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1625 							  "Inc Out of Order              =%lu", channel->pInterfaceStat->inc.Out_of_Order);
1626 			}
1627 			if (channel->pInterfaceStat->inc.Ignored) {
1628 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1629 							  "Inc Ignored                   =%lu", channel->pInterfaceStat->inc.Ignored);
1630 			}
1631 
1632 			/*
1633 			  Outgoing Statistics
1634 			*/
1635 			if (channel->pInterfaceStat->outg.Calls) {
1636 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1637 							  "Outg Calls                    =%lu", channel->pInterfaceStat->outg.Calls);
1638 			}
1639 			if (channel->pInterfaceStat->outg.Connected) {
1640 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1641 							  "Outg Connected                =%lu", channel->pInterfaceStat->outg.Connected);
1642 			}
1643 			if (channel->pInterfaceStat->outg.User_Busy) {
1644 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1645 							  "Outg Busy                     =%lu", channel->pInterfaceStat->outg.User_Busy);
1646 			}
1647 			if (channel->pInterfaceStat->outg.No_Answer) {
1648 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1649 							  "Outg No Answer                =%lu", channel->pInterfaceStat->outg.No_Answer);
1650 			}
1651 			if (channel->pInterfaceStat->outg.Wrong_Number) {
1652 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1653 							  "Outg Wrong Nr                 =%lu", channel->pInterfaceStat->outg.Wrong_Number);
1654 			}
1655 			if (channel->pInterfaceStat->outg.Call_Rejected) {
1656 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1657 							  "Outg Rejected                 =%lu", channel->pInterfaceStat->outg.Call_Rejected);
1658 			}
1659 			if (channel->pInterfaceStat->outg.Other_Failures) {
1660 				diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1661 							  "Outg Other Failures           =%lu", channel->pInterfaceStat->outg.Other_Failures);
1662 			}
1663 		}
1664 		break;
1665 
1666 	case DIVA_SUPER_TRACE_NOTIFY_MDM_STAT_CHANGE:
1667 		if (channel->pInterfaceStat->mdm.Disc_Normal) {
1668 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1669 						  "MDM Disc Normal        = %lu", channel->pInterfaceStat->mdm.Disc_Normal);
1670 		}
1671 		if (channel->pInterfaceStat->mdm.Disc_Unspecified) {
1672 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1673 						  "MDM Disc Unsp.         = %lu", channel->pInterfaceStat->mdm.Disc_Unspecified);
1674 		}
1675 		if (channel->pInterfaceStat->mdm.Disc_Busy_Tone) {
1676 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1677 						  "MDM Disc Busy Tone     = %lu", channel->pInterfaceStat->mdm.Disc_Busy_Tone);
1678 		}
1679 		if (channel->pInterfaceStat->mdm.Disc_Congestion) {
1680 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1681 						  "MDM Disc Congestion    = %lu", channel->pInterfaceStat->mdm.Disc_Congestion);
1682 		}
1683 		if (channel->pInterfaceStat->mdm.Disc_Carr_Wait) {
1684 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1685 						  "MDM Disc Carrier Wait  = %lu", channel->pInterfaceStat->mdm.Disc_Carr_Wait);
1686 		}
1687 		if (channel->pInterfaceStat->mdm.Disc_Trn_Timeout) {
1688 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1689 						  "MDM Disc Trn. T.o.     = %lu", channel->pInterfaceStat->mdm.Disc_Trn_Timeout);
1690 		}
1691 		if (channel->pInterfaceStat->mdm.Disc_Incompat) {
1692 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1693 						  "MDM Disc Incompatible  = %lu", channel->pInterfaceStat->mdm.Disc_Incompat);
1694 		}
1695 		if (channel->pInterfaceStat->mdm.Disc_Frame_Rej) {
1696 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1697 						  "MDM Disc Frame Reject  = %lu", channel->pInterfaceStat->mdm.Disc_Frame_Rej);
1698 		}
1699 		if (channel->pInterfaceStat->mdm.Disc_V42bis) {
1700 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1701 						  "MDM Disc V.42bis       = %lu", channel->pInterfaceStat->mdm.Disc_V42bis);
1702 		}
1703 		break;
1704 
1705 	case DIVA_SUPER_TRACE_NOTIFY_FAX_STAT_CHANGE:
1706 		if (channel->pInterfaceStat->fax.Disc_Normal) {
1707 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1708 						  "FAX Disc Normal        = %lu", channel->pInterfaceStat->fax.Disc_Normal);
1709 		}
1710 		if (channel->pInterfaceStat->fax.Disc_Not_Ident) {
1711 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1712 						  "FAX Disc Not Ident.    = %lu", channel->pInterfaceStat->fax.Disc_Not_Ident);
1713 		}
1714 		if (channel->pInterfaceStat->fax.Disc_No_Response) {
1715 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1716 						  "FAX Disc No Response   = %lu", channel->pInterfaceStat->fax.Disc_No_Response);
1717 		}
1718 		if (channel->pInterfaceStat->fax.Disc_Retries) {
1719 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1720 						  "FAX Disc Max Retries   = %lu", channel->pInterfaceStat->fax.Disc_Retries);
1721 		}
1722 		if (channel->pInterfaceStat->fax.Disc_Unexp_Msg) {
1723 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1724 						  "FAX Unexp. Msg.        = %lu", channel->pInterfaceStat->fax.Disc_Unexp_Msg);
1725 		}
1726 		if (channel->pInterfaceStat->fax.Disc_No_Polling) {
1727 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1728 						  "FAX Disc No Polling    = %lu", channel->pInterfaceStat->fax.Disc_No_Polling);
1729 		}
1730 		if (channel->pInterfaceStat->fax.Disc_Training) {
1731 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1732 						  "FAX Disc Training      = %lu", channel->pInterfaceStat->fax.Disc_Training);
1733 		}
1734 		if (channel->pInterfaceStat->fax.Disc_Unexpected) {
1735 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1736 						  "FAX Disc Unexpected    = %lu", channel->pInterfaceStat->fax.Disc_Unexpected);
1737 		}
1738 		if (channel->pInterfaceStat->fax.Disc_Application) {
1739 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1740 						  "FAX Disc Application   = %lu", channel->pInterfaceStat->fax.Disc_Application);
1741 		}
1742 		if (channel->pInterfaceStat->fax.Disc_Incompat) {
1743 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1744 						  "FAX Disc Incompatible  = %lu", channel->pInterfaceStat->fax.Disc_Incompat);
1745 		}
1746 		if (channel->pInterfaceStat->fax.Disc_No_Command) {
1747 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1748 						  "FAX Disc No Command    = %lu", channel->pInterfaceStat->fax.Disc_No_Command);
1749 		}
1750 		if (channel->pInterfaceStat->fax.Disc_Long_Msg) {
1751 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1752 						  "FAX Disc Long Msg.     = %lu", channel->pInterfaceStat->fax.Disc_Long_Msg);
1753 		}
1754 		if (channel->pInterfaceStat->fax.Disc_Supervisor) {
1755 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1756 						  "FAX Disc Supervisor    = %lu", channel->pInterfaceStat->fax.Disc_Supervisor);
1757 		}
1758 		if (channel->pInterfaceStat->fax.Disc_SUB_SEP_PWD) {
1759 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1760 						  "FAX Disc SUP SEP PWD   = %lu", channel->pInterfaceStat->fax.Disc_SUB_SEP_PWD);
1761 		}
1762 		if (channel->pInterfaceStat->fax.Disc_Invalid_Msg) {
1763 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1764 						  "FAX Disc Invalid Msg.  = %lu", channel->pInterfaceStat->fax.Disc_Invalid_Msg);
1765 		}
1766 		if (channel->pInterfaceStat->fax.Disc_Page_Coding) {
1767 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1768 						  "FAX Disc Page Coding   = %lu", channel->pInterfaceStat->fax.Disc_Page_Coding);
1769 		}
1770 		if (channel->pInterfaceStat->fax.Disc_App_Timeout) {
1771 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1772 						  "FAX Disc Appl. T.o.    = %lu", channel->pInterfaceStat->fax.Disc_App_Timeout);
1773 		}
1774 		if (channel->pInterfaceStat->fax.Disc_Unspecified) {
1775 			diva_mnt_internal_dprintf(pC->hDbg->id, DLI_LOG,
1776 						  "FAX Disc Unspec.       = %lu", channel->pInterfaceStat->fax.Disc_Unspecified);
1777 		}
1778 		break;
1779 	}
1780 }
1781 
1782 /*
1783   Receive trace information from the Management Interface and store it in the
1784   internal trace buffer with MSG_TYPE_MLOG as is, without any filtering.
1785   Event Filtering and formatting is done in  Management Interface self.
1786 */
diva_maint_trace_notify(void * user_context,diva_strace_library_interface_t * hLib,int Adapter,void * xlog_buffer,int length)1787 static void diva_maint_trace_notify(void *user_context,
1788 				    diva_strace_library_interface_t *hLib,
1789 				    int Adapter,
1790 				    void *xlog_buffer,
1791 				    int length) {
1792 	diva_maint_client_t *pC = (diva_maint_client_t *)user_context;
1793 	diva_dbg_entry_head_t *pmsg;
1794 	word size;
1795 	dword sec, usec;
1796 	int ch = TraceFilterChannel;
1797 	int id = TraceFilterIdent;
1798 
1799 	/*
1800 	  Selective trace
1801 	*/
1802 	if ((id >= 0) && (ch >= 0) && (id < ARRAY_SIZE(clients)) &&
1803 	    (clients[id].Dbg.id == (byte)id) && (clients[id].pIdiLib == hLib)) {
1804 		const char *p = NULL;
1805 		int ch_value = -1;
1806 		MI_XLOG_HDR *TrcData = (MI_XLOG_HDR *)xlog_buffer;
1807 
1808 		if (Adapter != clients[id].logical) {
1809 			return; /* Ignore all trace messages from other adapters */
1810 		}
1811 
1812 		if (TrcData->code == 24) {
1813 			p = (char *)&TrcData->code;
1814 			p += 2;
1815 		}
1816 
1817 		/*
1818 		  All L1 messages start as [dsp,ch], so we can filter this information
1819 		  and filter out all messages that use different channel
1820 		*/
1821 		if (p && p[0] == '[') {
1822 			if (p[2] == ',') {
1823 				p += 3;
1824 				ch_value = *p - '0';
1825 			} else if (p[3] == ',') {
1826 				p += 4;
1827 				ch_value = *p - '0';
1828 			}
1829 			if (ch_value >= 0) {
1830 				if (p[2] == ']') {
1831 					ch_value = ch_value * 10 + p[1] - '0';
1832 				}
1833 				if (ch_value != ch) {
1834 					return; /* Ignore other channels */
1835 				}
1836 			}
1837 		}
1838 
1839 	} else if (TraceFilter[0] != 0) {
1840 		return; /* Ignore trace if trace filter is activated, but idle */
1841 	}
1842 
1843 	diva_os_get_time(&sec, &usec);
1844 
1845 	while (!(pmsg = (diva_dbg_entry_head_t *)queueAllocMsg(dbg_queue,
1846 							       (word)length + sizeof(*pmsg)))) {
1847 		if ((pmsg = (diva_dbg_entry_head_t *)queuePeekMsg(dbg_queue, &size))) {
1848 			queueFreeMsg(dbg_queue);
1849 		} else {
1850 			break;
1851 		}
1852 	}
1853 	if (pmsg) {
1854 		memcpy(&pmsg[1], xlog_buffer, length);
1855 		pmsg->sequence    = dbg_sequence++;
1856 		pmsg->time_sec    = sec;
1857 		pmsg->time_usec   = usec;
1858 		pmsg->facility    = MSG_TYPE_MLOG;
1859 		pmsg->dli         = pC->logical;
1860 		pmsg->drv_id      = pC->hDbg->id;
1861 		pmsg->di_cpu      = 0;
1862 		pmsg->data_length = length;
1863 		queueCompleteMsg(pmsg);
1864 		if (queueCount(dbg_queue)) {
1865 			diva_maint_wakeup_read();
1866 		}
1867 	}
1868 }
1869 
1870 
1871 /*
1872   Convert MAINT trace mask to management interface trace mask/work/facility and
1873   issue command to management interface
1874 */
diva_change_management_debug_mask(diva_maint_client_t * pC,dword old_mask)1875 static void diva_change_management_debug_mask(diva_maint_client_t *pC, dword old_mask) {
1876 	if (pC->request && pC->hDbg && pC->pIdiLib) {
1877 		dword changed = pC->hDbg->dbgMask ^ old_mask;
1878 
1879 		if (changed & DIVA_MGT_DBG_TRACE) {
1880 			(*(pC->pIdiLib->DivaSTraceSetInfo))(pC->pIdiLib,
1881 							    (pC->hDbg->dbgMask & DIVA_MGT_DBG_TRACE) != 0);
1882 		}
1883 		if (changed & DIVA_MGT_DBG_DCHAN) {
1884 			(*(pC->pIdiLib->DivaSTraceSetDChannel))(pC->pIdiLib,
1885 								(pC->hDbg->dbgMask & DIVA_MGT_DBG_DCHAN) != 0);
1886 		}
1887 		if (!TraceFilter[0]) {
1888 			if (changed & DIVA_MGT_DBG_IFC_BCHANNEL) {
1889 				int i, state = ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0);
1890 
1891 				for (i = 0; i < pC->channels; i++) {
1892 					(*(pC->pIdiLib->DivaSTraceSetBChannel))(pC->pIdiLib, i + 1, state);
1893 				}
1894 			}
1895 			if (changed & DIVA_MGT_DBG_IFC_AUDIO) {
1896 				int i, state = ((pC->hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO) != 0);
1897 
1898 				for (i = 0; i < pC->channels; i++) {
1899 					(*(pC->pIdiLib->DivaSTraceSetAudioTap))(pC->pIdiLib, i + 1, state);
1900 				}
1901 			}
1902 		}
1903 	}
1904 }
1905 
1906 
diva_mnt_internal_dprintf(dword drv_id,dword type,char * fmt,...)1907 void diva_mnt_internal_dprintf(dword drv_id, dword type, char *fmt, ...) {
1908 	va_list ap;
1909 
1910 	va_start(ap, fmt);
1911 	DI_format(0, (word)drv_id, (int)type, fmt, ap);
1912 	va_end(ap);
1913 }
1914 
1915 /*
1916   Shutdown all adapters before driver removal
1917 */
diva_mnt_shutdown_xdi_adapters(void)1918 int diva_mnt_shutdown_xdi_adapters(void) {
1919 	diva_os_spin_lock_magic_t old_irql, old_irql1;
1920 	int i, fret = 0;
1921 	byte *pmem;
1922 
1923 
1924 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
1925 		pmem = NULL;
1926 
1927 		diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "unload");
1928 		diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "unload");
1929 
1930 		if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request) {
1931 			if ((*(clients[i].pIdiLib->DivaSTraceLibraryStop))(clients[i].pIdiLib) == 1) {
1932 				/*
1933 				  Adapter removal complete
1934 				*/
1935 				if (clients[i].pIdiLib) {
1936 					(*(clients[i].pIdiLib->DivaSTraceLibraryFinit))(clients[i].pIdiLib->hLib);
1937 					clients[i].pIdiLib = NULL;
1938 
1939 					pmem = clients[i].pmem;
1940 					clients[i].pmem = NULL;
1941 				}
1942 				clients[i].hDbg    = NULL;
1943 				clients[i].request_pending = 0;
1944 
1945 				if (clients[i].dma_handle >= 0) {
1946 					/*
1947 					  Free DMA handle
1948 					*/
1949 					diva_free_dma_descriptor(clients[i].request, clients[i].dma_handle);
1950 					clients[i].dma_handle = -1;
1951 				}
1952 				clients[i].request = NULL;
1953 			} else {
1954 				fret = -1;
1955 			}
1956 		}
1957 
1958 		diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "unload");
1959 		if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request && clients[i].request_pending) {
1960 			clients[i].request_pending = 0;
1961 			(*(clients[i].request))((ENTITY *)(*(clients[i].pIdiLib->DivaSTraceGetHandle))(clients[i].pIdiLib->hLib));
1962 			if (clients[i].dma_handle >= 0) {
1963 				diva_free_dma_descriptor(clients[i].request, clients[i].dma_handle);
1964 				clients[i].dma_handle = -1;
1965 			}
1966 		}
1967 		diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "unload");
1968 
1969 		if (pmem) {
1970 			diva_os_free(0, pmem);
1971 		}
1972 	}
1973 
1974 	return (fret);
1975 }
1976 
1977 /*
1978   Set/Read the trace filter used for selective tracing.
1979   Affects B- and Audio Tap trace mask at run time
1980 */
diva_set_trace_filter(int filter_length,const char * filter)1981 int diva_set_trace_filter(int filter_length, const char *filter) {
1982 	diva_os_spin_lock_magic_t old_irql, old_irql1;
1983 	int i, ch, on, client_b_on, client_atap_on;
1984 
1985 	diva_os_enter_spin_lock(&dbg_adapter_lock, &old_irql1, "dbg mask");
1986 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "write_filter");
1987 
1988 	if (filter_length <= DIVA_MAX_SELECTIVE_FILTER_LENGTH) {
1989 		memcpy(&TraceFilter[0], filter, filter_length);
1990 		if (TraceFilter[filter_length]) {
1991 			TraceFilter[filter_length] = 0;
1992 		}
1993 		if (TraceFilter[0] == '*') {
1994 			TraceFilter[0] = 0;
1995 		}
1996 	} else {
1997 		filter_length = -1;
1998 	}
1999 
2000 	TraceFilterIdent   = -1;
2001 	TraceFilterChannel = -1;
2002 
2003 	on = (TraceFilter[0] == 0);
2004 
2005 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
2006 		if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request) {
2007 			client_b_on    = on && ((clients[i].hDbg->dbgMask & DIVA_MGT_DBG_IFC_BCHANNEL) != 0);
2008 			client_atap_on = on && ((clients[i].hDbg->dbgMask & DIVA_MGT_DBG_IFC_AUDIO)    != 0);
2009 			for (ch = 0; ch < clients[i].channels; ch++) {
2010 				(*(clients[i].pIdiLib->DivaSTraceSetBChannel))(clients[i].pIdiLib->hLib, ch + 1, client_b_on);
2011 				(*(clients[i].pIdiLib->DivaSTraceSetAudioTap))(clients[i].pIdiLib->hLib, ch + 1, client_atap_on);
2012 			}
2013 		}
2014 	}
2015 
2016 	for (i = 1; i < ARRAY_SIZE(clients); i++) {
2017 		if (clients[i].hDbg && clients[i].pIdiLib && clients[i].request && clients[i].request_pending) {
2018 			diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "write_filter");
2019 			clients[i].request_pending = 0;
2020 			(*(clients[i].request))((ENTITY *)(*(clients[i].pIdiLib->DivaSTraceGetHandle))(clients[i].pIdiLib->hLib));
2021 			diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "write_filter");
2022 		}
2023 	}
2024 
2025 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "write_filter");
2026 	diva_os_leave_spin_lock(&dbg_adapter_lock, &old_irql1, "dbg mask");
2027 
2028 	return (filter_length);
2029 }
2030 
diva_get_trace_filter(int max_length,char * filter)2031 int diva_get_trace_filter(int max_length, char *filter) {
2032 	diva_os_spin_lock_magic_t old_irql;
2033 	int len;
2034 
2035 	diva_os_enter_spin_lock(&dbg_q_lock, &old_irql, "read_filter");
2036 	len = strlen(&TraceFilter[0]) + 1;
2037 	if (max_length >= len) {
2038 		memcpy(filter, &TraceFilter[0], len);
2039 	}
2040 	diva_os_leave_spin_lock(&dbg_q_lock, &old_irql, "read_filter");
2041 
2042 	return (len);
2043 }
2044 
diva_dbg_cmp_key(const char * ref,const char * key)2045 static int diva_dbg_cmp_key(const char *ref, const char *key) {
2046 	while (*key && (*ref++ == *key++));
2047 	return (!*key && !*ref);
2048 }
2049 
2050 /*
2051   In case trace filter starts with "C" character then
2052   all following characters are interpreted as command.
2053   Following commands are available:
2054   - single, trace single call at time, independent from CPN/CiPN
2055 */
diva_mnt_cmp_nmbr(const char * nmbr)2056 static int diva_mnt_cmp_nmbr(const char *nmbr) {
2057 	const char *ref = &TraceFilter[0];
2058 	int ref_len = strlen(&TraceFilter[0]), nmbr_len = strlen(nmbr);
2059 
2060 	if (ref[0] == 'C') {
2061 		if (diva_dbg_cmp_key(&ref[1], "single")) {
2062 			return (0);
2063 		}
2064 		return (-1);
2065 	}
2066 
2067 	if (!ref_len || (ref_len > nmbr_len)) {
2068 		return (-1);
2069 	}
2070 
2071 	nmbr = nmbr + nmbr_len - 1;
2072 	ref  = ref  + ref_len  - 1;
2073 
2074 	while (ref_len--) {
2075 		if (*nmbr-- != *ref--) {
2076 			return (-1);
2077 		}
2078 	}
2079 
2080 	return (0);
2081 }
2082 
diva_get_dma_descriptor(IDI_CALL request,dword * dma_magic)2083 static int diva_get_dma_descriptor(IDI_CALL request, dword *dma_magic) {
2084 	ENTITY e;
2085 	IDI_SYNC_REQ *pReq = (IDI_SYNC_REQ *)&e;
2086 
2087 	if (!request) {
2088 		return (-1);
2089 	}
2090 
2091 	pReq->xdi_dma_descriptor_operation.Req = 0;
2092 	pReq->xdi_dma_descriptor_operation.Rc = IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION;
2093 
2094 	pReq->xdi_dma_descriptor_operation.info.operation =     IDI_SYNC_REQ_DMA_DESCRIPTOR_ALLOC;
2095 	pReq->xdi_dma_descriptor_operation.info.descriptor_number  = -1;
2096 	pReq->xdi_dma_descriptor_operation.info.descriptor_address = NULL;
2097 	pReq->xdi_dma_descriptor_operation.info.descriptor_magic   = 0;
2098 
2099 	(*request)((ENTITY *)pReq);
2100 
2101 	if (!pReq->xdi_dma_descriptor_operation.info.operation &&
2102 	    (pReq->xdi_dma_descriptor_operation.info.descriptor_number >= 0) &&
2103 	    pReq->xdi_dma_descriptor_operation.info.descriptor_magic) {
2104 		*dma_magic = pReq->xdi_dma_descriptor_operation.info.descriptor_magic;
2105 		return (pReq->xdi_dma_descriptor_operation.info.descriptor_number);
2106 	} else {
2107 		return (-1);
2108 	}
2109 }
2110 
diva_free_dma_descriptor(IDI_CALL request,int nr)2111 static void diva_free_dma_descriptor(IDI_CALL request, int nr) {
2112 	ENTITY e;
2113 	IDI_SYNC_REQ *pReq = (IDI_SYNC_REQ *)&e;
2114 
2115 	if (!request || (nr < 0)) {
2116 		return;
2117 	}
2118 
2119 	pReq->xdi_dma_descriptor_operation.Req = 0;
2120 	pReq->xdi_dma_descriptor_operation.Rc = IDI_SYNC_REQ_DMA_DESCRIPTOR_OPERATION;
2121 
2122 	pReq->xdi_dma_descriptor_operation.info.operation = IDI_SYNC_REQ_DMA_DESCRIPTOR_FREE;
2123 	pReq->xdi_dma_descriptor_operation.info.descriptor_number  = nr;
2124 	pReq->xdi_dma_descriptor_operation.info.descriptor_address = NULL;
2125 	pReq->xdi_dma_descriptor_operation.info.descriptor_magic   = 0;
2126 
2127 	(*request)((ENTITY *)pReq);
2128 }
2129