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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/kvm/lapic.h
10817 views
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#ifndef __KVM_X86_LAPIC_H

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#define __KVM_X86_LAPIC_H

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#include "iodev.h"

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#include "kvm_timer.h"

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#include <linux/kvm_host.h>

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struct kvm_lapic {

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	unsigned long base_address;

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	struct kvm_io_device dev;

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	struct kvm_timer lapic_timer;

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	u32 divide_count;

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	struct kvm_vcpu *vcpu;

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	bool irr_pending;

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	void *regs;

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	gpa_t vapic_addr;

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	struct page *vapic_page;

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};

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int kvm_create_lapic(struct kvm_vcpu *vcpu);

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void kvm_free_lapic(struct kvm_vcpu *vcpu);

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int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);

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int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);

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int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);

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void kvm_lapic_reset(struct kvm_vcpu *vcpu);

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u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);

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void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);

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void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);

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u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);

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void kvm_apic_set_version(struct kvm_vcpu *vcpu);

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int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);

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int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);

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int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq);

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u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);

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void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);

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void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);

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int kvm_lapic_enabled(struct kvm_vcpu *vcpu);

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bool kvm_apic_present(struct kvm_vcpu *vcpu);

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int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);

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void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);

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void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);

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void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);

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int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);

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int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);

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int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);

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int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);

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static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)

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{

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	return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE;

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}

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#endif

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