252 		queue_kthread_work(&ps->pit->worker, &ps->pit->expired);  in kvm_pit_ack_irq()
259 	struct kvm_pit *pit = vcpu->kvm->arch.vpit;  in __kvm_migrate_pit_timer()  local
262 	if (!kvm_vcpu_is_bsp(vcpu) || !pit)  in __kvm_migrate_pit_timer()
265 	timer = &pit->pit_state.timer;  in __kvm_migrate_pit_timer()
266 	mutex_lock(&pit->pit_state.lock);  in __kvm_migrate_pit_timer()
269 	mutex_unlock(&pit->pit_state.lock);  in __kvm_migrate_pit_timer()
272 static void destroy_pit_timer(struct kvm_pit *pit)  in destroy_pit_timer()  argument
274 	hrtimer_cancel(&pit->pit_state.timer);  in destroy_pit_timer()
275 	flush_kthread_work(&pit->expired);  in destroy_pit_timer()
280 	struct kvm_pit *pit = container_of(work, struct kvm_pit, expired);  in pit_do_work()  local
281 	struct kvm *kvm = pit->kvm;  in pit_do_work()
284 	struct kvm_kpit_state *ps = &pit->pit_state;  in pit_do_work()
349 	flush_kthread_work(&ps->pit->expired);  in create_pit_timer()
354 	ps->kvm = ps->pit->kvm;  in create_pit_timer()
455 	struct kvm_pit *pit = dev_to_pit(this);  in pit_ioport_write()  local
456 	struct kvm_kpit_state *pit_state = &pit->pit_state;  in pit_ioport_write()
457 	struct kvm *kvm = pit->kvm;  in pit_ioport_write()
532 	struct kvm_pit *pit = dev_to_pit(this);  in pit_ioport_read()  local
533 	struct kvm_kpit_state *pit_state = &pit->pit_state;  in pit_ioport_read()
534 	struct kvm *kvm = pit->kvm;  in pit_ioport_read()
603 	struct kvm_pit *pit = speaker_to_pit(this);  in speaker_ioport_write()  local
604 	struct kvm_kpit_state *pit_state = &pit->pit_state;  in speaker_ioport_write()
605 	struct kvm *kvm = pit->kvm;  in speaker_ioport_write()
621 	struct kvm_pit *pit = speaker_to_pit(this);  in speaker_ioport_read()  local
622 	struct kvm_kpit_state *pit_state = &pit->pit_state;  in speaker_ioport_read()
623 	struct kvm *kvm = pit->kvm;  in speaker_ioport_read()
642 void kvm_pit_reset(struct kvm_pit *pit)  in kvm_pit_reset()  argument
647 	mutex_lock(&pit->pit_state.lock);  in kvm_pit_reset()
648 	pit->pit_state.flags = 0;  in kvm_pit_reset()
650 		c = &pit->pit_state.channels[i];  in kvm_pit_reset()
653 		pit_load_count(pit->kvm, i, 0);  in kvm_pit_reset()
655 	mutex_unlock(&pit->pit_state.lock);  in kvm_pit_reset()
657 	atomic_set(&pit->pit_state.pending, 0);  in kvm_pit_reset()
658 	pit->pit_state.irq_ack = 1;  in kvm_pit_reset()
663 	struct kvm_pit *pit = container_of(kimn, struct kvm_pit, mask_notifier);  in pit_mask_notifer()  local
666 		atomic_set(&pit->pit_state.pending, 0);  in pit_mask_notifer()
667 		pit->pit_state.irq_ack = 1;  in pit_mask_notifer()
684 	struct kvm_pit *pit;  in kvm_create_pit()  local
690 	pit = kzalloc(sizeof(struct kvm_pit), GFP_KERNEL);  in kvm_create_pit()
691 	if (!pit)  in kvm_create_pit()
694 	pit->irq_source_id = kvm_request_irq_source_id(kvm);  in kvm_create_pit()
695 	if (pit->irq_source_id < 0) {  in kvm_create_pit()
696 		kfree(pit);  in kvm_create_pit()
700 	mutex_init(&pit->pit_state.lock);  in kvm_create_pit()
701 	mutex_lock(&pit->pit_state.lock);  in kvm_create_pit()
702 	spin_lock_init(&pit->pit_state.inject_lock);  in kvm_create_pit()
708 	init_kthread_worker(&pit->worker);  in kvm_create_pit()
709 	pit->worker_task = kthread_run(kthread_worker_fn, &pit->worker,  in kvm_create_pit()
711 	if (IS_ERR(pit->worker_task)) {  in kvm_create_pit()
712 		mutex_unlock(&pit->pit_state.lock);  in kvm_create_pit()
713 		kvm_free_irq_source_id(kvm, pit->irq_source_id);  in kvm_create_pit()
714 		kfree(pit);  in kvm_create_pit()
717 	init_kthread_work(&pit->expired, pit_do_work);  in kvm_create_pit()
719 	kvm->arch.vpit = pit;  in kvm_create_pit()
720 	pit->kvm = kvm;  in kvm_create_pit()
722 	pit_state = &pit->pit_state;  in kvm_create_pit()
723 	pit_state->pit = pit;  in kvm_create_pit()
729 	mutex_unlock(&pit->pit_state.lock);  in kvm_create_pit()
731 	kvm_pit_reset(pit);  in kvm_create_pit()
733 	pit->mask_notifier.func = pit_mask_notifer;  in kvm_create_pit()
734 	kvm_register_irq_mask_notifier(kvm, 0, &pit->mask_notifier);  in kvm_create_pit()
736 	kvm_iodevice_init(&pit->dev, &pit_dev_ops);  in kvm_create_pit()
738 				      KVM_PIT_MEM_LENGTH, &pit->dev);  in kvm_create_pit()
743 		kvm_iodevice_init(&pit->speaker_dev, &speaker_dev_ops);  in kvm_create_pit()
746 					      &pit->speaker_dev);  in kvm_create_pit()
751 	return pit;  in kvm_create_pit()
754 	kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);  in kvm_create_pit()
757 	kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);  in kvm_create_pit()
759 	kvm_free_irq_source_id(kvm, pit->irq_source_id);  in kvm_create_pit()
760 	kthread_stop(pit->worker_task);  in kvm_create_pit()
761 	kfree(pit);  in kvm_create_pit()