80 static int debug_prolog_level_fn(debug_info_t * id,
82 static int debug_input_level_fn(debug_info_t * id, struct debug_view *view,
85 static int debug_prolog_pages_fn(debug_info_t * id,
87 static int debug_input_pages_fn(debug_info_t * id, struct debug_view *view,
90 static int debug_input_flush_fn(debug_info_t * id, struct debug_view *view,
93 static int debug_hex_ascii_format_fn(debug_info_t * id, struct debug_view *view,
95 static int debug_raw_format_fn(debug_info_t * id,
98 static int debug_raw_header_fn(debug_info_t * id, struct debug_view *view,
101 static int debug_sprintf_format_fn(debug_info_t * id, struct debug_view *view,
471 	if (act_entry->id.stck == 0LL)  in debug_format_entry()
491 	debug_info_t *id;  in debug_next_entry()  local
493 	id = p_info->debug_info_snap;  in debug_next_entry()
499 	if(!id->areas)  in debug_next_entry()
501 	p_info->act_entry += id->entry_size;  in debug_next_entry()
503 	if (p_info->act_entry > (PAGE_SIZE - id->entry_size)){  in debug_next_entry()
507 		if((p_info->act_page % id->pages_per_area) == 0) {  in debug_next_entry()
512         	if(p_info->act_area >= id->nr_areas)  in debug_next_entry()
740 debug_unregister(debug_info_t * id)  in debug_unregister()  argument
742 	if (!id)  in debug_unregister()
745 	debug_info_put(id);  in debug_unregister()
757 debug_set_size(debug_info_t* id, int nr_areas, int pages_per_area)  in debug_set_size()  argument
763 	if(!id || (nr_areas <= 0) || (pages_per_area < 0))  in debug_set_size()
776 	spin_lock_irqsave(&id->lock,flags);  in debug_set_size()
777 	debug_areas_free(id);  in debug_set_size()
778 	id->areas = new_areas;  in debug_set_size()
779 	id->nr_areas = nr_areas;  in debug_set_size()
780 	id->pages_per_area = pages_per_area;  in debug_set_size()
781 	id->active_area = 0;  in debug_set_size()
782 	memset(id->active_entries,0,sizeof(int)*id->nr_areas);  in debug_set_size()
783 	memset(id->active_pages, 0, sizeof(int)*id->nr_areas);  in debug_set_size()
784 	spin_unlock_irqrestore(&id->lock,flags);  in debug_set_size()
785 	pr_info("%s: set new size (%i pages)\n" ,id->name, pages_per_area);  in debug_set_size()
796 debug_set_level(debug_info_t* id, int new_level)  in debug_set_level()  argument
799 	if(!id)  in debug_set_level()
801 	spin_lock_irqsave(&id->lock,flags);  in debug_set_level()
803                 id->level = DEBUG_OFF_LEVEL;  in debug_set_level()
804 		pr_info("%s: switched off\n",id->name);  in debug_set_level()
807                         id->name, new_level, 0, DEBUG_MAX_LEVEL);  in debug_set_level()
809                 id->level = new_level;  in debug_set_level()
811 	spin_unlock_irqrestore(&id->lock,flags);  in debug_set_level()
821 proceed_active_entry(debug_info_t * id)  in proceed_active_entry()  argument
823 	if ((id->active_entries[id->active_area] += id->entry_size)  in proceed_active_entry()
824 	    > (PAGE_SIZE - id->entry_size)){  in proceed_active_entry()
825 		id->active_entries[id->active_area] = 0;  in proceed_active_entry()
826 		id->active_pages[id->active_area] =  in proceed_active_entry()
827 			(id->active_pages[id->active_area] + 1) %  in proceed_active_entry()
828 			id->pages_per_area;  in proceed_active_entry()
838 proceed_active_area(debug_info_t * id)  in proceed_active_area()  argument
840 	id->active_area++;  in proceed_active_area()
841 	id->active_area = id->active_area % id->nr_areas;  in proceed_active_area()
849 get_active_entry(debug_info_t * id)  in get_active_entry()  argument
851 	return (debug_entry_t *) (((char *) id->areas[id->active_area]  in get_active_entry()
852 					[id->active_pages[id->active_area]]) +  in get_active_entry()
853 					id->active_entries[id->active_area]);  in get_active_entry()
862 debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,  in debug_finish_entry()  argument
865 	active->id.stck = get_clock();  in debug_finish_entry()
866 	active->id.fields.cpuid = smp_processor_id();  in debug_finish_entry()
868 	active->id.fields.exception = exception;  in debug_finish_entry()
869 	active->id.fields.level     = level;  in debug_finish_entry()
870 	proceed_active_entry(id);  in debug_finish_entry()
872 		proceed_active_area(id);  in debug_finish_entry()
941 debug_event_common(debug_info_t * id, int level, const void *buf, int len)  in debug_event_common()  argument
946 	if (!debug_active || !id->areas)  in debug_event_common()
948 	spin_lock_irqsave(&id->lock, flags);  in debug_event_common()
949 	active = get_active_entry(id);  in debug_event_common()
950 	memset(DEBUG_DATA(active), 0, id->buf_size);  in debug_event_common()
951 	memcpy(DEBUG_DATA(active), buf, min(len, id->buf_size));  in debug_event_common()
952 	debug_finish_entry(id, active, level, 0);  in debug_event_common()
953 	spin_unlock_irqrestore(&id->lock, flags);  in debug_event_common()
964 *debug_exception_common(debug_info_t * id, int level, const void *buf, int len)  in debug_exception_common()  argument
969 	if (!debug_active || !id->areas)  in debug_exception_common()
971 	spin_lock_irqsave(&id->lock, flags);  in debug_exception_common()
972 	active = get_active_entry(id);  in debug_exception_common()
973 	memset(DEBUG_DATA(active), 0, id->buf_size);  in debug_exception_common()
974 	memcpy(DEBUG_DATA(active), buf, min(len, id->buf_size));  in debug_exception_common()
975 	debug_finish_entry(id, active, level, 1);  in debug_exception_common()
976 	spin_unlock_irqrestore(&id->lock, flags);  in debug_exception_common()
1002 debug_sprintf_event(debug_info_t* id, int level,char *string,...)  in debug_sprintf_event()  argument
1010 	if((!id) || (level > id->level))  in debug_sprintf_event()
1012 	if (!debug_active || !id->areas)  in debug_sprintf_event()
1016 	spin_lock_irqsave(&id->lock, flags);  in debug_sprintf_event()
1017 	active = get_active_entry(id);  in debug_sprintf_event()
1021 	for(idx=0;idx<min(numargs,(int)(id->buf_size / sizeof(long))-1);idx++)  in debug_sprintf_event()
1024 	debug_finish_entry(id, active, level, 0);  in debug_sprintf_event()
1025 	spin_unlock_irqrestore(&id->lock, flags);  in debug_sprintf_event()
1035 debug_sprintf_exception(debug_info_t* id, int level,char *string,...)  in debug_sprintf_exception()  argument
1043 	if((!id) || (level > id->level))  in debug_sprintf_exception()
1045 	if (!debug_active || !id->areas)  in debug_sprintf_exception()
1050 	spin_lock_irqsave(&id->lock, flags);  in debug_sprintf_exception()
1051 	active = get_active_entry(id);  in debug_sprintf_exception()
1055 	for(idx=0;idx<min(numargs,(int)(id->buf_size / sizeof(long))-1);idx++)  in debug_sprintf_exception()
1058 	debug_finish_entry(id, active, level, 1);  in debug_sprintf_exception()
1059 	spin_unlock_irqrestore(&id->lock, flags);  in debug_sprintf_exception()
1088 debug_register_view(debug_info_t * id, struct debug_view *view)  in debug_register_view()  argument
1096 	if (!id)  in debug_register_view()
1098 	mode = (id->mode | S_IFREG) & ~S_IXUGO;  in debug_register_view()
1103 	pde = debugfs_create_file(view->name, mode, id->debugfs_root_entry,  in debug_register_view()
1104 				id , &debug_file_ops);  in debug_register_view()
1107 		       "memory\n", id->name,view->name);  in debug_register_view()
1111 	spin_lock_irqsave(&id->lock, flags);  in debug_register_view()
1113 		if (!id->views[i])  in debug_register_view()
1118 		       "number of views %i\n", id->name, view->name, i);  in debug_register_view()
1122 		id->views[i] = view;  in debug_register_view()
1123 		id->debugfs_entries[i] = pde;  in debug_register_view()
1125 	spin_unlock_irqrestore(&id->lock, flags);  in debug_register_view()
1135 debug_unregister_view(debug_info_t * id, struct debug_view *view)  in debug_unregister_view()  argument
1141 	if (!id)  in debug_unregister_view()
1143 	spin_lock_irqsave(&id->lock, flags);  in debug_unregister_view()
1145 		if (id->views[i] == view)  in debug_unregister_view()
1151 		debugfs_remove(id->debugfs_entries[i]);  in debug_unregister_view()
1152 		id->views[i] = NULL;  in debug_unregister_view()
1154 	spin_unlock_irqrestore(&id->lock, flags);  in debug_unregister_view()
1202 debug_prolog_pages_fn(debug_info_t * id,  in debug_prolog_pages_fn()  argument
1205 	return sprintf(out_buf, "%i\n", id->pages_per_area);  in debug_prolog_pages_fn()
1213 debug_input_pages_fn(debug_info_t * id, struct debug_view *view,  in debug_input_pages_fn()  argument
1236 	rc = debug_set_size(id,id->nr_areas, new_pages);  in debug_input_pages_fn()
1254 debug_prolog_level_fn(debug_info_t * id, struct debug_view *view, char *out_buf)  in debug_prolog_level_fn()  argument
1258 	if(id->level == DEBUG_OFF_LEVEL) {  in debug_prolog_level_fn()
1262 		rc = sprintf(out_buf, "%i\n", id->level);  in debug_prolog_level_fn()
1272 debug_input_level_fn(debug_info_t * id, struct debug_view *view,  in debug_input_level_fn()  argument
1291 		debug_set_level(id, DEBUG_OFF_LEVEL);  in debug_input_level_fn()
1302 		debug_set_level(id, new_level);  in debug_input_level_fn()
1317 static void debug_flush(debug_info_t* id, int area)  in debug_flush()  argument
1322         if(!id || !id->areas)  in debug_flush()
1324         spin_lock_irqsave(&id->lock,flags);  in debug_flush()
1326                 id->active_area = 0;  in debug_flush()
1327                 memset(id->active_entries, 0, id->nr_areas * sizeof(int));  in debug_flush()
1328                 for (i = 0; i < id->nr_areas; i++) {  in debug_flush()
1329 			id->active_pages[i] = 0;  in debug_flush()
1330 			for(j = 0; j < id->pages_per_area; j++) {  in debug_flush()
1331                         	memset(id->areas[i][j], 0, PAGE_SIZE);  in debug_flush()
1334         } else if(area >= 0 && area < id->nr_areas) {  in debug_flush()
1335                 id->active_entries[area] = 0;  in debug_flush()
1336 		id->active_pages[area] = 0;  in debug_flush()
1337 		for(i = 0; i < id->pages_per_area; i++) {  in debug_flush()
1338                 	memset(id->areas[area][i],0,PAGE_SIZE);  in debug_flush()
1341         spin_unlock_irqrestore(&id->lock,flags);  in debug_flush()
1349 debug_input_flush_fn(debug_info_t * id, struct debug_view *view,  in debug_input_flush_fn()  argument
1367                 debug_flush(id, DEBUG_FLUSH_ALL);  in debug_input_flush_fn()
1372                 debug_flush(id, area);  in debug_input_flush_fn()
1389 debug_raw_header_fn(debug_info_t * id, struct debug_view *view,  in debug_raw_header_fn()  argument
1404 debug_raw_format_fn(debug_info_t * id, struct debug_view *view,  in debug_raw_format_fn()  argument
1409 	rc = id->buf_size;  in debug_raw_format_fn()
1410 	memcpy(out_buf, in_buf, id->buf_size);  in debug_raw_format_fn()
1419 debug_hex_ascii_format_fn(debug_info_t * id, struct debug_view *view,  in debug_hex_ascii_format_fn()  argument
1424 	for (i = 0; i < id->buf_size; i++) {  in debug_hex_ascii_format_fn()
1429 	for (i = 0; i < id->buf_size; i++) {  in debug_hex_ascii_format_fn()
1445 debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,  in debug_dflt_header_fn()  argument
1454 	level = entry->id.fields.level;  in debug_dflt_header_fn()
1455 	stck_to_timespec(entry->id.stck, &time_spec);  in debug_dflt_header_fn()
1457 	if (entry->id.fields.exception)  in debug_dflt_header_fn()
1464 		      except_str, entry->id.fields.cpuid, (void *) caller);  in debug_dflt_header_fn()
1476 debug_sprintf_format_fn(debug_info_t * id, struct debug_view *view,  in debug_sprintf_format_fn()  argument
1483 	num_longs = id->buf_size /  sizeof(long);   in debug_sprintf_format_fn()