41 void func(const struct fw_card *card, const char *fmt, ...)	\
50 	       dev_name(card->device), &vaf);			\
103 static void generate_config_rom(struct fw_card *card, __be32 *config_rom)  in generate_config_rom()  argument
121 		BIB_LINK_SPEED(card->link_speed) |  in generate_config_rom()
122 		BIB_GENERATION(card->config_rom_generation++ % 14 + 2) |  in generate_config_rom()
124 		BIB_MAX_RECEIVE(card->max_receive) |  in generate_config_rom()
126 	config_rom[3] = cpu_to_be32(card->guid >> 32);  in generate_config_rom()
127 	config_rom[4] = cpu_to_be32(card->guid);  in generate_config_rom()
165 	struct fw_card *card;  in update_config_roms()  local
167 	list_for_each_entry (card, &card_list, link) {  in update_config_roms()
168 		generate_config_rom(card, tmp_config_rom);  in update_config_roms()
169 		card->driver->set_config_rom(card, tmp_config_rom,  in update_config_roms()
232 static int reset_bus(struct fw_card *card, bool short_reset)  in reset_bus()  argument
237 	return card->driver->update_phy_reg(card, reg, 0, bit);  in reset_bus()
240 void fw_schedule_bus_reset(struct fw_card *card, bool delayed, bool short_reset)  in fw_schedule_bus_reset()  argument
243 	card->br_short = short_reset;  in fw_schedule_bus_reset()
246 	fw_card_get(card);  in fw_schedule_bus_reset()
247 	if (!queue_delayed_work(fw_workqueue, &card->br_work,  in fw_schedule_bus_reset()
249 		fw_card_put(card);  in fw_schedule_bus_reset()
255 	struct fw_card *card = container_of(work, struct fw_card, br_work.work);  in br_work()  local
258 	if (card->reset_jiffies != 0 &&  in br_work()
259 	    time_before64(get_jiffies_64(), card->reset_jiffies + 2 * HZ)) {  in br_work()
260 		if (!queue_delayed_work(fw_workqueue, &card->br_work, 2 * HZ))  in br_work()
261 			fw_card_put(card);  in br_work()
265 	fw_send_phy_config(card, FW_PHY_CONFIG_NO_NODE_ID, card->generation,  in br_work()
267 	reset_bus(card, card->br_short);  in br_work()
268 	fw_card_put(card);  in br_work()
271 static void allocate_broadcast_channel(struct fw_card *card, int generation)  in allocate_broadcast_channel()  argument
275 	if (!card->broadcast_channel_allocated) {  in allocate_broadcast_channel()
276 		fw_iso_resource_manage(card, generation, 1ULL << 31,  in allocate_broadcast_channel()
279 			fw_notice(card, "failed to allocate broadcast channel\n");  in allocate_broadcast_channel()
282 		card->broadcast_channel_allocated = true;  in allocate_broadcast_channel()
285 	device_for_each_child(card->device, (void *)(long)generation,  in allocate_broadcast_channel()
293 void fw_schedule_bm_work(struct fw_card *card, unsigned long delay)  in fw_schedule_bm_work()  argument
295 	fw_card_get(card);  in fw_schedule_bm_work()
296 	if (!schedule_delayed_work(&card->bm_work, delay))  in fw_schedule_bm_work()
297 		fw_card_put(card);  in fw_schedule_bm_work()
302 	struct fw_card *card = container_of(work, struct fw_card, bm_work.work);  in bm_work()  local
314 	spin_lock_irq(&card->lock);  in bm_work()
316 	if (card->local_node == NULL) {  in bm_work()
317 		spin_unlock_irq(&card->lock);  in bm_work()
321 	generation = card->generation;  in bm_work()
323 	root_node = card->root_node;  in bm_work()
330 	irm_device = card->irm_node->data;  in bm_work()
339 	irm_id   = card->irm_node->node_id;  in bm_work()
340 	local_id = card->local_node->node_id;  in bm_work()
343 			     card->reset_jiffies + DIV_ROUND_UP(HZ, 8));  in bm_work()
345 	if ((is_next_generation(generation, card->bm_generation) &&  in bm_work()
346 	     !card->bm_abdicate) ||  in bm_work()
347 	    (card->bm_generation != generation && grace)) {  in bm_work()
360 		if (!card->irm_node->link_on) {  in bm_work()
362 			fw_notice(card, "%s, making local node (%02x) root\n",  in bm_work()
369 			fw_notice(card, "%s, making local node (%02x) root\n",  in bm_work()
377 		spin_unlock_irq(&card->lock);  in bm_work()
379 		rcode = fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP,  in bm_work()
390 		spin_lock_irq(&card->lock);  in bm_work()
391 		if (rcode == RCODE_COMPLETE && generation == card->generation)  in bm_work()
392 			card->bm_node_id =  in bm_work()
394 		spin_unlock_irq(&card->lock);  in bm_work()
399 				allocate_broadcast_channel(card, generation);  in bm_work()
410 			fw_schedule_bm_work(card, DIV_ROUND_UP(HZ, 8));  in bm_work()
414 		spin_lock_irq(&card->lock);  in bm_work()
424 			fw_notice(card, "BM lock failed (%s), making local node (%02x) root\n",  in bm_work()
428 	} else if (card->bm_generation != generation) {  in bm_work()
433 		spin_unlock_irq(&card->lock);  in bm_work()
434 		fw_schedule_bm_work(card, DIV_ROUND_UP(HZ, 8));  in bm_work()
443 	card->bm_generation = generation;  in bm_work()
456 		spin_unlock_irq(&card->lock);  in bm_work()
478 	if (!card->beta_repeaters_present &&  in bm_work()
490 	if (card->bm_retries++ < 5 &&  in bm_work()
491 	    (card->gap_count != gap_count || new_root_id != root_id))  in bm_work()
494 	spin_unlock_irq(&card->lock);  in bm_work()
497 		fw_notice(card, "phy config: new root=%x, gap_count=%d\n",  in bm_work()
499 		fw_send_phy_config(card, new_root_id, generation, gap_count);  in bm_work()
500 		reset_bus(card, true);  in bm_work()
510 		rcode = fw_run_transaction(card, TCODE_WRITE_QUADLET_REQUEST,  in bm_work()
519 		allocate_broadcast_channel(card, generation);  in bm_work()
524 	fw_card_put(card);  in bm_work()
527 void fw_card_initialize(struct fw_card *card,  in fw_card_initialize()  argument
533 	card->index = atomic_inc_return(&index);  in fw_card_initialize()
534 	card->driver = driver;  in fw_card_initialize()
535 	card->device = device;  in fw_card_initialize()
536 	card->current_tlabel = 0;  in fw_card_initialize()
537 	card->tlabel_mask = 0;  in fw_card_initialize()
538 	card->split_timeout_hi = DEFAULT_SPLIT_TIMEOUT / 8000;  in fw_card_initialize()
539 	card->split_timeout_lo = (DEFAULT_SPLIT_TIMEOUT % 8000) << 19;  in fw_card_initialize()
540 	card->split_timeout_cycles = DEFAULT_SPLIT_TIMEOUT;  in fw_card_initialize()
541 	card->split_timeout_jiffies =  in fw_card_initialize()
543 	card->color = 0;  in fw_card_initialize()
544 	card->broadcast_channel = BROADCAST_CHANNEL_INITIAL;  in fw_card_initialize()
546 	kref_init(&card->kref);  in fw_card_initialize()
547 	init_completion(&card->done);  in fw_card_initialize()
548 	INIT_LIST_HEAD(&card->transaction_list);  in fw_card_initialize()
549 	INIT_LIST_HEAD(&card->phy_receiver_list);  in fw_card_initialize()
550 	spin_lock_init(&card->lock);  in fw_card_initialize()
552 	card->local_node = NULL;  in fw_card_initialize()
554 	INIT_DELAYED_WORK(&card->br_work, br_work);  in fw_card_initialize()
555 	INIT_DELAYED_WORK(&card->bm_work, bm_work);  in fw_card_initialize()
559 int fw_card_add(struct fw_card *card,  in fw_card_add()  argument
564 	card->max_receive = max_receive;  in fw_card_add()
565 	card->link_speed = link_speed;  in fw_card_add()
566 	card->guid = guid;  in fw_card_add()
570 	generate_config_rom(card, tmp_config_rom);  in fw_card_add()
571 	ret = card->driver->enable(card, tmp_config_rom, config_rom_length);  in fw_card_add()
573 		list_add_tail(&card->link, &card_list);  in fw_card_add()
594 static int dummy_read_phy_reg(struct fw_card *card, int address)  in dummy_read_phy_reg()  argument
599 static int dummy_update_phy_reg(struct fw_card *card, int address,  in dummy_update_phy_reg()  argument
605 static void dummy_send_request(struct fw_card *card, struct fw_packet *packet)  in dummy_send_request()  argument
607 	packet->callback(packet, card, RCODE_CANCELLED);  in dummy_send_request()
610 static void dummy_send_response(struct fw_card *card, struct fw_packet *packet)  in dummy_send_response()  argument
612 	packet->callback(packet, card, RCODE_CANCELLED);  in dummy_send_response()
615 static int dummy_cancel_packet(struct fw_card *card, struct fw_packet *packet)  in dummy_cancel_packet()  argument
620 static int dummy_enable_phys_dma(struct fw_card *card,  in dummy_enable_phys_dma()  argument
626 static struct fw_iso_context *dummy_allocate_iso_context(struct fw_card *card,  in dummy_allocate_iso_context()  argument
675 	struct fw_card *card = container_of(kref, struct fw_card, kref);  in fw_card_release()  local
677 	complete(&card->done);  in fw_card_release()
681 void fw_core_remove_card(struct fw_card *card)  in fw_core_remove_card()  argument
685 	card->driver->update_phy_reg(card, 4,  in fw_core_remove_card()
687 	fw_schedule_bus_reset(card, false, true);  in fw_core_remove_card()
690 	list_del_init(&card->link);  in fw_core_remove_card()
694 	dummy_driver.free_iso_context	= card->driver->free_iso_context;  in fw_core_remove_card()
695 	dummy_driver.stop_iso		= card->driver->stop_iso;  in fw_core_remove_card()
696 	card->driver = &dummy_driver;  in fw_core_remove_card()
698 	fw_destroy_nodes(card);  in fw_core_remove_card()
701 	fw_card_put(card);  in fw_core_remove_card()
702 	wait_for_completion(&card->done);  in fw_core_remove_card()
704 	WARN_ON(!list_empty(&card->transaction_list));  in fw_core_remove_card()