124 struct smi_info {  struct
145 	int (*oem_data_avail_handler)(struct smi_info *smi_info);  argument
263 static int try_smi_init(struct smi_info *smi);  argument
264 static void cleanup_one_si(struct smi_info *smi_info);
285 static void deliver_recv_msg(struct smi_info *smi_info,  in deliver_recv_msg()  argument
289 	ipmi_smi_msg_received(smi_info->intf, msg);  in deliver_recv_msg()
292 static void return_hosed_msg(struct smi_info *smi_info, int cCode)  in return_hosed_msg()  argument
294 	struct ipmi_smi_msg *msg = smi_info->curr_msg;  in return_hosed_msg()
306 	smi_info->curr_msg = NULL;  in return_hosed_msg()
307 	deliver_recv_msg(smi_info, msg);  in return_hosed_msg()
310 static enum si_sm_result start_next_msg(struct smi_info *smi_info)  in start_next_msg()  argument
314 	if (!smi_info->waiting_msg) {  in start_next_msg()
315 		smi_info->curr_msg = NULL;  in start_next_msg()
320 		smi_info->curr_msg = smi_info->waiting_msg;  in start_next_msg()
321 		smi_info->waiting_msg = NULL;  in start_next_msg()
324 				0, smi_info);  in start_next_msg()
329 		err = smi_info->handlers->start_transaction(  in start_next_msg()
330 			smi_info->si_sm,  in start_next_msg()
331 			smi_info->curr_msg->data,  in start_next_msg()
332 			smi_info->curr_msg->data_size);  in start_next_msg()
334 			return_hosed_msg(smi_info, err);  in start_next_msg()
342 static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val)  in smi_mod_timer()  argument
344 	if (!smi_info->timer_can_start)  in smi_mod_timer()
346 	smi_info->last_timeout_jiffies = jiffies;  in smi_mod_timer()
347 	mod_timer(&smi_info->si_timer, new_val);  in smi_mod_timer()
348 	smi_info->timer_running = true;  in smi_mod_timer()
354 static void start_new_msg(struct smi_info *smi_info, unsigned char *msg,  in start_new_msg()  argument
357 	smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);  in start_new_msg()
359 	if (smi_info->thread)  in start_new_msg()
360 		wake_up_process(smi_info->thread);  in start_new_msg()
362 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, size);  in start_new_msg()
365 static void start_check_enables(struct smi_info *smi_info)  in start_check_enables()  argument
372 	start_new_msg(smi_info, msg, 2);  in start_check_enables()
373 	smi_info->si_state = SI_CHECKING_ENABLES;  in start_check_enables()
376 static void start_clear_flags(struct smi_info *smi_info)  in start_clear_flags()  argument
385 	start_new_msg(smi_info, msg, 3);  in start_clear_flags()
386 	smi_info->si_state = SI_CLEARING_FLAGS;  in start_clear_flags()
389 static void start_getting_msg_queue(struct smi_info *smi_info)  in start_getting_msg_queue()  argument
391 	smi_info->curr_msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2);  in start_getting_msg_queue()
392 	smi_info->curr_msg->data[1] = IPMI_GET_MSG_CMD;  in start_getting_msg_queue()
393 	smi_info->curr_msg->data_size = 2;  in start_getting_msg_queue()
395 	start_new_msg(smi_info, smi_info->curr_msg->data,  in start_getting_msg_queue()
396 		      smi_info->curr_msg->data_size);  in start_getting_msg_queue()
397 	smi_info->si_state = SI_GETTING_MESSAGES;  in start_getting_msg_queue()
400 static void start_getting_events(struct smi_info *smi_info)  in start_getting_events()  argument
402 	smi_info->curr_msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2);  in start_getting_events()
403 	smi_info->curr_msg->data[1] = IPMI_READ_EVENT_MSG_BUFFER_CMD;  in start_getting_events()
404 	smi_info->curr_msg->data_size = 2;  in start_getting_events()
406 	start_new_msg(smi_info, smi_info->curr_msg->data,  in start_getting_events()
407 		      smi_info->curr_msg->data_size);  in start_getting_events()
408 	smi_info->si_state = SI_GETTING_EVENTS;  in start_getting_events()
420 static inline bool disable_si_irq(struct smi_info *smi_info)  in disable_si_irq()  argument
422 	if ((smi_info->io.irq) && (!smi_info->interrupt_disabled)) {  in disable_si_irq()
423 		smi_info->interrupt_disabled = true;  in disable_si_irq()
424 		start_check_enables(smi_info);  in disable_si_irq()
430 static inline bool enable_si_irq(struct smi_info *smi_info)  in enable_si_irq()  argument
432 	if ((smi_info->io.irq) && (smi_info->interrupt_disabled)) {  in enable_si_irq()
433 		smi_info->interrupt_disabled = false;  in enable_si_irq()
434 		start_check_enables(smi_info);  in enable_si_irq()
446 static struct ipmi_smi_msg *alloc_msg_handle_irq(struct smi_info *smi_info)  in alloc_msg_handle_irq()  argument
452 		if (!disable_si_irq(smi_info))  in alloc_msg_handle_irq()
453 			smi_info->si_state = SI_NORMAL;  in alloc_msg_handle_irq()
454 	} else if (enable_si_irq(smi_info)) {  in alloc_msg_handle_irq()
461 static void handle_flags(struct smi_info *smi_info)  in handle_flags()  argument
464 	if (smi_info->msg_flags & WDT_PRE_TIMEOUT_INT) {  in handle_flags()
466 		smi_inc_stat(smi_info, watchdog_pretimeouts);  in handle_flags()
468 		start_clear_flags(smi_info);  in handle_flags()
469 		smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT;  in handle_flags()
470 		ipmi_smi_watchdog_pretimeout(smi_info->intf);  in handle_flags()
471 	} else if (smi_info->msg_flags & RECEIVE_MSG_AVAIL) {  in handle_flags()
473 		smi_info->curr_msg = alloc_msg_handle_irq(smi_info);  in handle_flags()
474 		if (!smi_info->curr_msg)  in handle_flags()
477 		start_getting_msg_queue(smi_info);  in handle_flags()
478 	} else if (smi_info->msg_flags & EVENT_MSG_BUFFER_FULL) {  in handle_flags()
480 		smi_info->curr_msg = alloc_msg_handle_irq(smi_info);  in handle_flags()
481 		if (!smi_info->curr_msg)  in handle_flags()
484 		start_getting_events(smi_info);  in handle_flags()
485 	} else if (smi_info->msg_flags & OEM_DATA_AVAIL &&  in handle_flags()
486 		   smi_info->oem_data_avail_handler) {  in handle_flags()
487 		if (smi_info->oem_data_avail_handler(smi_info))  in handle_flags()
490 		smi_info->si_state = SI_NORMAL;  in handle_flags()
499 static u8 current_global_enables(struct smi_info *smi_info, u8 base,  in current_global_enables()  argument
504 	if (smi_info->supports_event_msg_buff)  in current_global_enables()
507 	if (((smi_info->io.irq && !smi_info->interrupt_disabled) ||  in current_global_enables()
508 	     smi_info->cannot_disable_irq) &&  in current_global_enables()
509 	    !smi_info->irq_enable_broken)  in current_global_enables()
512 	if (smi_info->supports_event_msg_buff &&  in current_global_enables()
513 	    smi_info->io.irq && !smi_info->interrupt_disabled &&  in current_global_enables()
514 	    !smi_info->irq_enable_broken)  in current_global_enables()
522 static void check_bt_irq(struct smi_info *smi_info, bool irq_on)  in check_bt_irq()  argument
524 	u8 irqstate = smi_info->io.inputb(&smi_info->io, IPMI_BT_INTMASK_REG);  in check_bt_irq()
532 		smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG,  in check_bt_irq()
535 		smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG, 0);  in check_bt_irq()
538 static void handle_transaction_done(struct smi_info *smi_info)  in handle_transaction_done()  argument
543 	switch (smi_info->si_state) {  in handle_transaction_done()
545 		if (!smi_info->curr_msg)  in handle_transaction_done()
548 		smi_info->curr_msg->rsp_size  in handle_transaction_done()
549 			= smi_info->handlers->get_result(  in handle_transaction_done()
550 				smi_info->si_sm,  in handle_transaction_done()
551 				smi_info->curr_msg->rsp,  in handle_transaction_done()
559 		msg = smi_info->curr_msg;  in handle_transaction_done()
560 		smi_info->curr_msg = NULL;  in handle_transaction_done()
561 		deliver_recv_msg(smi_info, msg);  in handle_transaction_done()
570 		len = smi_info->handlers->get_result(smi_info->si_sm, msg, 4);  in handle_transaction_done()
573 			smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
579 			smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
581 			smi_info->msg_flags = msg[3];  in handle_transaction_done()
582 			handle_flags(smi_info);  in handle_transaction_done()
592 		smi_info->handlers->get_result(smi_info->si_sm, msg, 3);  in handle_transaction_done()
595 			dev_warn(smi_info->io.dev,  in handle_transaction_done()
598 		smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
604 		smi_info->curr_msg->rsp_size  in handle_transaction_done()
605 			= smi_info->handlers->get_result(  in handle_transaction_done()
606 				smi_info->si_sm,  in handle_transaction_done()
607 				smi_info->curr_msg->rsp,  in handle_transaction_done()
615 		msg = smi_info->curr_msg;  in handle_transaction_done()
616 		smi_info->curr_msg = NULL;  in handle_transaction_done()
622 			smi_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL;  in handle_transaction_done()
623 			handle_flags(smi_info);  in handle_transaction_done()
625 			smi_inc_stat(smi_info, events);  in handle_transaction_done()
633 			handle_flags(smi_info);  in handle_transaction_done()
635 			deliver_recv_msg(smi_info, msg);  in handle_transaction_done()
642 		smi_info->curr_msg->rsp_size  in handle_transaction_done()
643 			= smi_info->handlers->get_result(  in handle_transaction_done()
644 				smi_info->si_sm,  in handle_transaction_done()
645 				smi_info->curr_msg->rsp,  in handle_transaction_done()
653 		msg = smi_info->curr_msg;  in handle_transaction_done()
654 		smi_info->curr_msg = NULL;  in handle_transaction_done()
660 			smi_info->msg_flags &= ~RECEIVE_MSG_AVAIL;  in handle_transaction_done()
661 			handle_flags(smi_info);  in handle_transaction_done()
663 			smi_inc_stat(smi_info, incoming_messages);  in handle_transaction_done()
671 			handle_flags(smi_info);  in handle_transaction_done()
673 			deliver_recv_msg(smi_info, msg);  in handle_transaction_done()
685 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);  in handle_transaction_done()
687 			dev_warn(smi_info->io.dev,  in handle_transaction_done()
689 			dev_warn(smi_info->io.dev,  in handle_transaction_done()
691 			smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
694 		enables = current_global_enables(smi_info, 0, &irq_on);  in handle_transaction_done()
695 		if (smi_info->io.si_type == SI_BT)  in handle_transaction_done()
697 			check_bt_irq(smi_info, irq_on);  in handle_transaction_done()
703 			smi_info->handlers->start_transaction(  in handle_transaction_done()
704 				smi_info->si_sm, msg, 3);  in handle_transaction_done()
705 			smi_info->si_state = SI_SETTING_ENABLES;  in handle_transaction_done()
706 		} else if (smi_info->supports_event_msg_buff) {  in handle_transaction_done()
707 			smi_info->curr_msg = ipmi_alloc_smi_msg();  in handle_transaction_done()
708 			if (!smi_info->curr_msg) {  in handle_transaction_done()
709 				smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
712 			start_getting_events(smi_info);  in handle_transaction_done()
714 			smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
723 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);  in handle_transaction_done()
725 			dev_warn(smi_info->io.dev,  in handle_transaction_done()
729 		if (smi_info->supports_event_msg_buff) {  in handle_transaction_done()
730 			smi_info->curr_msg = ipmi_alloc_smi_msg();  in handle_transaction_done()
731 			if (!smi_info->curr_msg) {  in handle_transaction_done()
732 				smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
735 			start_getting_events(smi_info);  in handle_transaction_done()
737 			smi_info->si_state = SI_NORMAL;  in handle_transaction_done()
749 static enum si_sm_result smi_event_handler(struct smi_info *smi_info,  in smi_event_handler()  argument
763 	si_sm_result = smi_info->handlers->event(smi_info->si_sm, time);  in smi_event_handler()
766 		si_sm_result = smi_info->handlers->event(smi_info->si_sm, 0);  in smi_event_handler()
769 		smi_inc_stat(smi_info, complete_transactions);  in smi_event_handler()
771 		handle_transaction_done(smi_info);  in smi_event_handler()
774 		smi_inc_stat(smi_info, hosed_count);  in smi_event_handler()
780 		smi_info->si_state = SI_NORMAL;  in smi_event_handler()
781 		if (smi_info->curr_msg != NULL) {  in smi_event_handler()
787 			return_hosed_msg(smi_info, IPMI_ERR_UNSPECIFIED);  in smi_event_handler()
796 	if (si_sm_result == SI_SM_ATTN || smi_info->got_attn) {  in smi_event_handler()
799 		if (smi_info->si_state != SI_NORMAL) {  in smi_event_handler()
804 			smi_info->got_attn = true;  in smi_event_handler()
806 			smi_info->got_attn = false;  in smi_event_handler()
807 			smi_inc_stat(smi_info, attentions);  in smi_event_handler()
819 			start_new_msg(smi_info, msg, 2);  in smi_event_handler()
820 			smi_info->si_state = SI_GETTING_FLAGS;  in smi_event_handler()
827 		smi_inc_stat(smi_info, idles);  in smi_event_handler()
829 		si_sm_result = start_next_msg(smi_info);  in smi_event_handler()
835 	    && (atomic_read(&smi_info->req_events))) {  in smi_event_handler()
840 		atomic_set(&smi_info->req_events, 0);  in smi_event_handler()
848 		if (smi_info->supports_event_msg_buff || smi_info->io.irq) {  in smi_event_handler()
849 			start_check_enables(smi_info);  in smi_event_handler()
851 			smi_info->curr_msg = alloc_msg_handle_irq(smi_info);  in smi_event_handler()
852 			if (!smi_info->curr_msg)  in smi_event_handler()
855 			start_getting_events(smi_info);  in smi_event_handler()
860 	if (si_sm_result == SI_SM_IDLE && smi_info->timer_running) {  in smi_event_handler()
862 		if (del_timer(&smi_info->si_timer))  in smi_event_handler()
863 			smi_info->timer_running = false;  in smi_event_handler()
870 static void check_start_timer_thread(struct smi_info *smi_info)  in check_start_timer_thread()  argument
872 	if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) {  in check_start_timer_thread()
873 		smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);  in check_start_timer_thread()
875 		if (smi_info->thread)  in check_start_timer_thread()
876 			wake_up_process(smi_info->thread);  in check_start_timer_thread()
878 		start_next_msg(smi_info);  in check_start_timer_thread()
879 		smi_event_handler(smi_info, 0);  in check_start_timer_thread()
885 	struct smi_info *smi_info = send_info;  in flush_messages()  local
892 	result = smi_event_handler(smi_info, 0);  in flush_messages()
895 		result = smi_event_handler(smi_info, SI_SHORT_TIMEOUT_USEC);  in flush_messages()
902 	struct smi_info   *smi_info = send_info;  in sender()  local
907 	if (smi_info->run_to_completion) {  in sender()
912 		smi_info->waiting_msg = msg;  in sender()
916 	spin_lock_irqsave(&smi_info->si_lock, flags);  in sender()
924 	BUG_ON(smi_info->waiting_msg);  in sender()
925 	smi_info->waiting_msg = msg;  in sender()
926 	check_start_timer_thread(smi_info);  in sender()
927 	spin_unlock_irqrestore(&smi_info->si_lock, flags);  in sender()
932 	struct smi_info   *smi_info = send_info;  in set_run_to_completion()  local
934 	smi_info->run_to_completion = i_run_to_completion;  in set_run_to_completion()
936 		flush_messages(smi_info);  in set_run_to_completion()
954 					const struct smi_info *smi_info,  in ipmi_thread_busy_wait()  argument
959 	if (smi_info->si_num < num_max_busy_us)  in ipmi_thread_busy_wait()
960 		max_busy_us = kipmid_max_busy_us[smi_info->si_num];  in ipmi_thread_busy_wait()
990 	struct smi_info *smi_info = data;  in ipmi_thread()  local
1000 		spin_lock_irqsave(&(smi_info->si_lock), flags);  in ipmi_thread()
1001 		smi_result = smi_event_handler(smi_info, 0);  in ipmi_thread()
1010 		if (smi_result != SI_SM_IDLE && !smi_info->timer_running)  in ipmi_thread()
1011 			smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);  in ipmi_thread()
1013 		spin_unlock_irqrestore(&(smi_info->si_lock), flags);  in ipmi_thread()
1014 		busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,  in ipmi_thread()
1021 			if (atomic_read(&smi_info->need_watch)) {  in ipmi_thread()
1037 	struct smi_info *smi_info = send_info;  in poll()  local
1039 	bool run_to_completion = smi_info->run_to_completion;  in poll()
1047 		spin_lock_irqsave(&smi_info->si_lock, flags);  in poll()
1048 	smi_event_handler(smi_info, 10);  in poll()
1050 		spin_unlock_irqrestore(&smi_info->si_lock, flags);  in poll()
1055 	struct smi_info *smi_info = send_info;  in request_events()  local
1057 	if (!smi_info->has_event_buffer)  in request_events()
1060 	atomic_set(&smi_info->req_events, 1);  in request_events()
1065 	struct smi_info *smi_info = send_info;  in set_need_watch()  local
1068 	atomic_set(&smi_info->need_watch, enable);  in set_need_watch()
1069 	spin_lock_irqsave(&smi_info->si_lock, flags);  in set_need_watch()
1070 	check_start_timer_thread(smi_info);  in set_need_watch()
1071 	spin_unlock_irqrestore(&smi_info->si_lock, flags);  in set_need_watch()
1076 	struct smi_info   *smi_info = from_timer(smi_info, t, si_timer);  in smi_timeout()  local
1083 	spin_lock_irqsave(&(smi_info->si_lock), flags);  in smi_timeout()
1087 	time_diff = (((long)jiffies_now - (long)smi_info->last_timeout_jiffies)  in smi_timeout()
1089 	smi_result = smi_event_handler(smi_info, time_diff);  in smi_timeout()
1091 	if ((smi_info->io.irq) && (!smi_info->interrupt_disabled)) {  in smi_timeout()
1094 		smi_inc_stat(smi_info, long_timeouts);  in smi_timeout()
1103 		smi_inc_stat(smi_info, short_timeouts);  in smi_timeout()
1106 		smi_inc_stat(smi_info, long_timeouts);  in smi_timeout()
1112 		smi_mod_timer(smi_info, timeout);  in smi_timeout()
1114 		smi_info->timer_running = false;  in smi_timeout()
1115 	spin_unlock_irqrestore(&(smi_info->si_lock), flags);  in smi_timeout()
1120 	struct smi_info *smi_info = data;  in ipmi_si_irq_handler()  local
1123 	if (smi_info->io.si_type == SI_BT)  in ipmi_si_irq_handler()
1125 		smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG,  in ipmi_si_irq_handler()
1129 	spin_lock_irqsave(&(smi_info->si_lock), flags);  in ipmi_si_irq_handler()
1131 	smi_inc_stat(smi_info, interrupts);  in ipmi_si_irq_handler()
1135 	smi_event_handler(smi_info, 0);  in ipmi_si_irq_handler()
1136 	spin_unlock_irqrestore(&(smi_info->si_lock), flags);  in ipmi_si_irq_handler()
1143 	struct smi_info *new_smi = send_info;  in smi_start_processing()
1188 	struct smi_info *smi = send_info;  in get_smi_info()
1200 	struct smi_info   *smi_info = send_info;  in set_maintenance_mode()  local
1203 		atomic_set(&smi_info->req_events, 0);  in set_maintenance_mode()
1288 static int wait_for_msg_done(struct smi_info *smi_info)  in wait_for_msg_done()  argument
1292 	smi_result = smi_info->handlers->event(smi_info->si_sm, 0);  in wait_for_msg_done()
1297 			smi_result = smi_info->handlers->event(  in wait_for_msg_done()
1298 				smi_info->si_sm, jiffies_to_usecs(1));  in wait_for_msg_done()
1300 			smi_result = smi_info->handlers->event(  in wait_for_msg_done()
1301 				smi_info->si_sm, 0);  in wait_for_msg_done()
1315 static int try_get_dev_id(struct smi_info *smi_info)  in try_get_dev_id()  argument
1332 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);  in try_get_dev_id()
1334 	rv = wait_for_msg_done(smi_info);  in try_get_dev_id()
1338 	resp_len = smi_info->handlers->get_result(smi_info->si_sm,  in try_get_dev_id()
1343 			resp + 2, resp_len - 2, &smi_info->device_id);  in try_get_dev_id()
1350 static int get_global_enables(struct smi_info *smi_info, u8 *enables)  in get_global_enables()  argument
1363 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);  in get_global_enables()
1365 	rv = wait_for_msg_done(smi_info);  in get_global_enables()
1367 		dev_warn(smi_info->io.dev,  in get_global_enables()
1373 	resp_len = smi_info->handlers->get_result(smi_info->si_sm,  in get_global_enables()
1380 		dev_warn(smi_info->io.dev,  in get_global_enables()
1397 static int set_global_enables(struct smi_info *smi_info, u8 enables)  in set_global_enables()  argument
1411 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3);  in set_global_enables()
1413 	rv = wait_for_msg_done(smi_info);  in set_global_enables()
1415 		dev_warn(smi_info->io.dev,  in set_global_enables()
1421 	resp_len = smi_info->handlers->get_result(smi_info->si_sm,  in set_global_enables()
1427 		dev_warn(smi_info->io.dev,  in set_global_enables()
1447 static void check_clr_rcv_irq(struct smi_info *smi_info)  in check_clr_rcv_irq()  argument
1452 	rv = get_global_enables(smi_info, &enables);  in check_clr_rcv_irq()
1459 		rv = set_global_enables(smi_info, enables);  in check_clr_rcv_irq()
1463 		dev_err(smi_info->io.dev,  in check_clr_rcv_irq()
1473 		dev_warn(smi_info->io.dev,  in check_clr_rcv_irq()
1475 		smi_info->cannot_disable_irq = true;  in check_clr_rcv_irq()
1484 static void check_set_rcv_irq(struct smi_info *smi_info)  in check_set_rcv_irq()  argument
1489 	if (!smi_info->io.irq)  in check_set_rcv_irq()
1492 	rv = get_global_enables(smi_info, &enables);  in check_set_rcv_irq()
1495 		rv = set_global_enables(smi_info, enables);  in check_set_rcv_irq()
1499 		dev_err(smi_info->io.dev,  in check_set_rcv_irq()
1509 		dev_warn(smi_info->io.dev,  in check_set_rcv_irq()
1511 		smi_info->cannot_disable_irq = true;  in check_set_rcv_irq()
1512 		smi_info->irq_enable_broken = true;  in check_set_rcv_irq()
1516 static int try_enable_event_buffer(struct smi_info *smi_info)  in try_enable_event_buffer()  argument
1529 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);  in try_enable_event_buffer()
1531 	rv = wait_for_msg_done(smi_info);  in try_enable_event_buffer()
1537 	resp_len = smi_info->handlers->get_result(smi_info->si_sm,  in try_enable_event_buffer()
1551 		smi_info->supports_event_msg_buff = true;  in try_enable_event_buffer()
1558 	smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3);  in try_enable_event_buffer()
1560 	rv = wait_for_msg_done(smi_info);  in try_enable_event_buffer()
1566 	resp_len = smi_info->handlers->get_result(smi_info->si_sm,  in try_enable_event_buffer()
1584 		smi_info->supports_event_msg_buff = true;  in try_enable_event_buffer()
1596 	struct smi_info *smi_info = dev_get_drvdata(dev);		\
1598 	return snprintf(buf, 10, "%u\n", smi_get_stat(smi_info, name));	\
1606 	struct smi_info *smi_info = dev_get_drvdata(dev);  in ipmi_type_show()  local
1608 	return snprintf(buf, 10, "%s\n", si_to_str[smi_info->io.si_type]);  in ipmi_type_show()
1616 	struct smi_info *smi_info = dev_get_drvdata(dev);  in ipmi_interrupts_enabled_show()  local
1617 	int enabled = smi_info->io.irq && !smi_info->interrupt_disabled;  in ipmi_interrupts_enabled_show()
1640 	struct smi_info *smi_info = dev_get_drvdata(dev);  in ipmi_params_show()  local
1644 			si_to_str[smi_info->io.si_type],  in ipmi_params_show()
1645 			addr_space_to_str[smi_info->io.addr_type],  in ipmi_params_show()
1646 			smi_info->io.addr_data,  in ipmi_params_show()
1647 			smi_info->io.regspacing,  in ipmi_params_show()
1648 			smi_info->io.regsize,  in ipmi_params_show()
1649 			smi_info->io.regshift,  in ipmi_params_show()
1650 			smi_info->io.irq,  in ipmi_params_show()
1651 			smi_info->io.slave_addr);  in ipmi_params_show()
1684 static int oem_data_avail_to_receive_msg_avail(struct smi_info *smi_info)  in oem_data_avail_to_receive_msg_avail()  argument
1686 	smi_info->msg_flags = ((smi_info->msg_flags & ~OEM_DATA_AVAIL) |  in oem_data_avail_to_receive_msg_avail()
1720 static void setup_dell_poweredge_oem_data_handler(struct smi_info *smi_info)  in setup_dell_poweredge_oem_data_handler()  argument
1722 	struct ipmi_device_id *id = &smi_info->device_id;  in setup_dell_poweredge_oem_data_handler()
1727 			smi_info->oem_data_avail_handler =  in setup_dell_poweredge_oem_data_handler()
1732 			smi_info->oem_data_avail_handler =  in setup_dell_poweredge_oem_data_handler()
1739 static void return_hosed_msg_badsize(struct smi_info *smi_info)  in return_hosed_msg_badsize()  argument
1741 	struct ipmi_smi_msg *msg = smi_info->curr_msg;  in return_hosed_msg_badsize()
1748 	smi_info->curr_msg = NULL;  in return_hosed_msg_badsize()
1749 	deliver_recv_msg(smi_info, msg);  in return_hosed_msg_badsize()
1769 	struct smi_info *smi_info = in;  in dell_poweredge_bt_xaction_handler()  local
1770 	unsigned char *data = smi_info->curr_msg->data;  in dell_poweredge_bt_xaction_handler()
1771 	unsigned int size   = smi_info->curr_msg->data_size;  in dell_poweredge_bt_xaction_handler()
1776 		return_hosed_msg_badsize(smi_info);  in dell_poweredge_bt_xaction_handler()
1794 setup_dell_poweredge_bt_xaction_handler(struct smi_info *smi_info)  in setup_dell_poweredge_bt_xaction_handler()  argument
1796 	struct ipmi_device_id *id = &smi_info->device_id;  in setup_dell_poweredge_bt_xaction_handler()
1798 	    smi_info->io.si_type == SI_BT)  in setup_dell_poweredge_bt_xaction_handler()
1810 static void setup_oem_data_handler(struct smi_info *smi_info)  in setup_oem_data_handler()  argument
1812 	setup_dell_poweredge_oem_data_handler(smi_info);  in setup_oem_data_handler()
1815 static void setup_xaction_handlers(struct smi_info *smi_info)  in setup_xaction_handlers()  argument
1817 	setup_dell_poweredge_bt_xaction_handler(smi_info);  in setup_xaction_handlers()
1820 static void check_for_broken_irqs(struct smi_info *smi_info)  in check_for_broken_irqs()  argument
1822 	check_clr_rcv_irq(smi_info);  in check_for_broken_irqs()
1823 	check_set_rcv_irq(smi_info);  in check_for_broken_irqs()
1826 static inline void stop_timer_and_thread(struct smi_info *smi_info)  in stop_timer_and_thread()  argument
1828 	if (smi_info->thread != NULL) {  in stop_timer_and_thread()
1829 		kthread_stop(smi_info->thread);  in stop_timer_and_thread()
1830 		smi_info->thread = NULL;  in stop_timer_and_thread()
1833 	smi_info->timer_can_start = false;  in stop_timer_and_thread()
1834 	if (smi_info->timer_running)  in stop_timer_and_thread()
1835 		del_timer_sync(&smi_info->si_timer);  in stop_timer_and_thread()
1838 static struct smi_info *find_dup_si(struct smi_info *info)  in find_dup_si()
1840 	struct smi_info *e;  in find_dup_si()
1863 	struct smi_info *new_smi, *dup;  in ipmi_si_add_smi()
1921 static int try_smi_init(struct smi_info *new_smi)  in try_smi_init()
2094 	struct smi_info *e;  in init_ipmi_si()
2165 	struct smi_info *smi_info = send_info;  in shutdown_smi()  local
2167 	if (smi_info->dev_group_added) {  in shutdown_smi()
2168 		device_remove_group(smi_info->io.dev, &ipmi_si_dev_attr_group);  in shutdown_smi()
2169 		smi_info->dev_group_added = false;  in shutdown_smi()
2171 	if (smi_info->io.dev)  in shutdown_smi()
2172 		dev_set_drvdata(smi_info->io.dev, NULL);  in shutdown_smi()
2178 	smi_info->interrupt_disabled = true;  in shutdown_smi()
2179 	if (smi_info->io.irq_cleanup) {  in shutdown_smi()
2180 		smi_info->io.irq_cleanup(&smi_info->io);  in shutdown_smi()
2181 		smi_info->io.irq_cleanup = NULL;  in shutdown_smi()
2183 	stop_timer_and_thread(smi_info);  in shutdown_smi()
2197 	while (smi_info->curr_msg || (smi_info->si_state != SI_NORMAL)) {  in shutdown_smi()
2198 		poll(smi_info);  in shutdown_smi()
2201 	if (smi_info->handlers)  in shutdown_smi()
2202 		disable_si_irq(smi_info);  in shutdown_smi()
2203 	while (smi_info->curr_msg || (smi_info->si_state != SI_NORMAL)) {  in shutdown_smi()
2204 		poll(smi_info);  in shutdown_smi()
2207 	if (smi_info->handlers)  in shutdown_smi()
2208 		smi_info->handlers->cleanup(smi_info->si_sm);  in shutdown_smi()
2210 	if (smi_info->io.addr_source_cleanup) {  in shutdown_smi()
2211 		smi_info->io.addr_source_cleanup(&smi_info->io);  in shutdown_smi()
2212 		smi_info->io.addr_source_cleanup = NULL;  in shutdown_smi()
2214 	if (smi_info->io.io_cleanup) {  in shutdown_smi()
2215 		smi_info->io.io_cleanup(&smi_info->io);  in shutdown_smi()
2216 		smi_info->io.io_cleanup = NULL;  in shutdown_smi()
2219 	kfree(smi_info->si_sm);  in shutdown_smi()
2220 	smi_info->si_sm = NULL;  in shutdown_smi()
2222 	smi_info->intf = NULL;  in shutdown_smi()
2229 static void cleanup_one_si(struct smi_info *smi_info)  in cleanup_one_si()  argument
2231 	if (!smi_info)  in cleanup_one_si()
2234 	list_del(&smi_info->link);  in cleanup_one_si()
2236 	if (smi_info->intf)  in cleanup_one_si()
2237 		ipmi_unregister_smi(smi_info->intf);  in cleanup_one_si()
2239 	if (smi_info->pdev) {  in cleanup_one_si()
2240 		if (smi_info->pdev_registered)  in cleanup_one_si()
2241 			platform_device_unregister(smi_info->pdev);  in cleanup_one_si()
2243 			platform_device_put(smi_info->pdev);  in cleanup_one_si()
2246 	kfree(smi_info);  in cleanup_one_si()
2251 	struct smi_info *e;  in ipmi_si_remove_by_dev()
2271 	struct smi_info *e, *tmp_e;  in ipmi_si_remove_by_data()
2287 	struct smi_info *e, *tmp_e;  in cleanup_ipmi_si()