| struct kvm_kpit_channel_state { |
| u32 count; /* can be 65536 */ |
| u8 bcd; /* not supported */ |
| u8 gate; /* timer start */ |
| struct kvm_kpit_channel_state channels[3]; |
| struct kvm_timer pit_timer; |
| raw_spinlock_t inject_lock; |
| struct kvm_irq_ack_notifier irq_ack_notifier; |
| unsigned long base_addresss; |
| struct kvm_io_device dev; |
| struct kvm_io_device speaker_dev; |
| struct kvm_kpit_state pit_state; |
| struct kvm_irq_mask_notifier mask_notifier; |
| #define KVM_PIT_BASE_ADDRESS 0x40 |
| #define KVM_SPEAKER_BASE_ADDRESS 0x61 |
| #define KVM_PIT_MEM_LENGTH 4 |
| #define KVM_PIT_FREQ 1193181 |
| #define KVM_MAX_PIT_INTR_INTERVAL HZ / 100 |
| #define KVM_PIT_CHANNEL_MASK 0x3 |
| void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu); |
| void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_start); |
| struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags); |
| void kvm_free_pit(struct kvm *kvm); |
| void kvm_pit_reset(struct kvm_pit *pit); |