1 #ifndef __KVM_X86_LAPIC_H
2 #define __KVM_X86_LAPIC_H
3
4 #include "iodev.h"
5 #include "kvm_timer.h"
6
7 #include <linux/kvm_host.h>
8
9 struct kvm_lapic {
10 unsigned long base_address;
11 struct kvm_io_device dev;
12 struct kvm_timer lapic_timer;
13 u32 divide_count;
14 struct kvm_vcpu *vcpu;
15 bool irr_pending;
16 void *regs;
17 gpa_t vapic_addr;
18 struct page *vapic_page;
19 };
20 int kvm_create_lapic(struct kvm_vcpu *vcpu);
21 void kvm_free_lapic(struct kvm_vcpu *vcpu);
22
23 int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);
24 int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
25 int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
26 void kvm_lapic_reset(struct kvm_vcpu *vcpu);
27 u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
28 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
29 void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
30 u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);
31 void kvm_apic_set_version(struct kvm_vcpu *vcpu);
32
33 int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
34 int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
35 int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq);
36
37 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
38 void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
39 void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
40 int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
41 bool kvm_apic_present(struct kvm_vcpu *vcpu);
42 int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
43
44 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
45 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
46 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
47
48 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
49 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
50
51 int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
52 int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
53
kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu * vcpu)54 static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)
55 {
56 return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE;
57 }
58 #endif
59