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 gfn_to_hva_cache vapic_cache;
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_eoi(struct kvm_vcpu *vcpu);
30 void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
31 u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);
32 void kvm_apic_set_version(struct kvm_vcpu *vcpu);
33 
34 int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
35 int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
36 int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq);
37 int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type);
38 
39 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
40 void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
41 void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
42 int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
43 bool kvm_apic_present(struct kvm_vcpu *vcpu);
44 int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
45 
46 u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu);
47 void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data);
48 
49 int kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
50 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
51 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
52 
53 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
54 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
55 
56 int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
57 int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
58 
kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu * vcpu)59 static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)
60 {
61 	return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE;
62 }
63 #endif
64