183 static struct fw_node *build_tree(struct fw_card *card,  in build_tree()  argument
207 			fw_err(card, "inconsistent extended self IDs\n");  in build_tree()
213 			fw_err(card, "PHY ID mismatch in self ID: %d != %d\n",  in build_tree()
219 			fw_err(card, "topology stack underflow\n");  in build_tree()
235 		node = fw_node_create(q, port_count, card->color);  in build_tree()
237 			fw_err(card, "out of memory while building topology\n");  in build_tree()
241 		if (phy_id == (card->node_id & 0x3f))  in build_tree()
273 				child->color = card->color;  in build_tree()
286 			fw_err(card, "parent port inconsistency for node %d: "  in build_tree()
313 	card->root_node = node;  in build_tree()
314 	card->irm_node = irm_node;  in build_tree()
315 	card->gap_count = gap_count;  in build_tree()
316 	card->beta_repeaters_present = beta_repeaters_present;  in build_tree()
321 typedef void (*fw_node_callback_t)(struct fw_card * card,
325 static void for_each_fw_node(struct fw_card *card, struct fw_node *root,  in for_each_fw_node()  argument
338 		node->color = card->color;  in for_each_fw_node()
344 			if (child->color == card->color)  in for_each_fw_node()
352 		callback(card, node, parent);  in for_each_fw_node()
359 static void report_lost_node(struct fw_card *card,  in report_lost_node()  argument
362 	fw_node_event(card, node, FW_NODE_DESTROYED);  in report_lost_node()
366 	card->bm_retries = 0;  in report_lost_node()
369 static void report_found_node(struct fw_card *card,  in report_found_node()  argument
384 	fw_node_event(card, node, FW_NODE_CREATED);  in report_found_node()
387 	card->bm_retries = 0;  in report_found_node()
390 void fw_destroy_nodes(struct fw_card *card)  in fw_destroy_nodes()  argument
394 	spin_lock_irqsave(&card->lock, flags);  in fw_destroy_nodes()
395 	card->color++;  in fw_destroy_nodes()
396 	if (card->local_node != NULL)  in fw_destroy_nodes()
397 		for_each_fw_node(card, card->local_node, report_lost_node);  in fw_destroy_nodes()
398 	card->local_node = NULL;  in fw_destroy_nodes()
399 	spin_unlock_irqrestore(&card->lock, flags);  in fw_destroy_nodes()
422 static void update_tree(struct fw_card *card, struct fw_node *root)  in update_tree()  argument
429 	list_add_tail(&card->local_node->link, &list0);  in update_tree()
449 		node0->color = card->color;  in update_tree()
453 		node1->color = card->color;  in update_tree()
454 		fw_node_event(card, node0, event);  in update_tree()
456 		if (card->root_node == node1)  in update_tree()
457 			card->root_node = node0;  in update_tree()
458 		if (card->irm_node == node1)  in update_tree()
459 			card->irm_node = node0;  in update_tree()
468 				if (node0->ports[i]->color == card->color)  in update_tree()
480 				for_each_fw_node(card, node0->ports[i],  in update_tree()
491 				for_each_fw_node(card, node0->ports[i],  in update_tree()
503 static void update_topology_map(struct fw_card *card,  in update_topology_map()  argument
506 	int node_count = (card->root_node->node_id & 0x3f) + 1;  in update_topology_map()
507 	__be32 *map = card->topology_map;  in update_topology_map()
510 	*map++ = cpu_to_be32(be32_to_cpu(card->topology_map[1]) + 1);  in update_topology_map()
516 	fw_compute_block_crc(card->topology_map);  in update_topology_map()
519 void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,  in fw_core_handle_bus_reset()  argument
530 	if (!is_next_generation(generation, card->generation) &&  in fw_core_handle_bus_reset()
531 	    card->local_node != NULL) {  in fw_core_handle_bus_reset()
532 		fw_destroy_nodes(card);  in fw_core_handle_bus_reset()
533 		card->bm_retries = 0;  in fw_core_handle_bus_reset()
536 	spin_lock_irqsave(&card->lock, flags);  in fw_core_handle_bus_reset()
538 	card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;  in fw_core_handle_bus_reset()
539 	card->node_id = node_id;  in fw_core_handle_bus_reset()
545 	card->generation = generation;  in fw_core_handle_bus_reset()
546 	card->reset_jiffies = get_jiffies_64();  in fw_core_handle_bus_reset()
547 	card->bm_node_id  = 0xffff;  in fw_core_handle_bus_reset()
548 	card->bm_abdicate = bm_abdicate;  in fw_core_handle_bus_reset()
549 	fw_schedule_bm_work(card, 0);  in fw_core_handle_bus_reset()
551 	local_node = build_tree(card, self_ids, self_id_count);  in fw_core_handle_bus_reset()
553 	update_topology_map(card, self_ids, self_id_count);  in fw_core_handle_bus_reset()
555 	card->color++;  in fw_core_handle_bus_reset()
558 		fw_err(card, "topology build failed\n");  in fw_core_handle_bus_reset()
560 	} else if (card->local_node == NULL) {  in fw_core_handle_bus_reset()
561 		card->local_node = local_node;  in fw_core_handle_bus_reset()
562 		for_each_fw_node(card, local_node, report_found_node);  in fw_core_handle_bus_reset()
564 		update_tree(card, local_node);  in fw_core_handle_bus_reset()
567 	spin_unlock_irqrestore(&card->lock, flags);  in fw_core_handle_bus_reset()