forked from Minki/linux
0105d1a526
This patch implements MSR interface to local apic as defines by x2apic Intel specification. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
#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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struct page *regs_page;
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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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#endif
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