x86/kvm/i8254.c

220 	struct kvm_pit *pit = vcpu->kvm->arch.vpit;
243 	struct kvm *kvm = pit->kvm;
251 	kvm_set_irq(kvm, pit->irq_source_id, 0, 1, false);
252 	kvm_set_irq(kvm, pit->irq_source_id, 0, 0, false);
263 	if (atomic_read(&kvm->arch.vapics_in_nmi_mode) > 0)
264 		kvm_for_each_vcpu(i, vcpu, kvm)
294 	struct kvm *kvm = pit->kvm;
308 		kvm_set_apicv_inhibit(kvm, APICV_INHIBIT_REASON_PIT_REINJ);
311 		kvm_register_irq_ack_notifier(kvm, &ps->irq_ack_notifier);
312 		kvm_register_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
314 		kvm_clear_apicv_inhibit(kvm, APICV_INHIBIT_REASON_PIT_REINJ);
315 		kvm_unregister_irq_ack_notifier(kvm, &ps->irq_ack_notifier);
316 		kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
325 	struct kvm *kvm = pit->kvm;
328 	if (!ioapic_in_kernel(kvm) ||
662 struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
674 	pit->irq_source_id = kvm_request_irq_source_id(kvm);
684 	pit->worker = kthread_create_worker(0, "kvm-pit/%d", pid_nr);
690 	pit->kvm = kvm;
704 	mutex_lock(&kvm->slots_lock);
706 	ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, KVM_PIT_BASE_ADDRESS,
713 		ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS,
719 	mutex_unlock(&kvm->slots_lock);
724 	kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
726 	mutex_unlock(&kvm->slots_lock);
730 	kvm_free_irq_source_id(kvm, pit->irq_source_id);
736 void kvm_free_pit(struct kvm *kvm)
738 	struct kvm_pit *pit = kvm->arch.vpit;
741 		mutex_lock(&kvm->slots_lock);
742 		kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
743 		kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->speaker_dev);
744 		mutex_unlock(&kvm->slots_lock);
748 		kvm_free_irq_source_id(kvm, pit->irq_source_id);