xref: /openbmc/linux/arch/x86/kvm/lapic.h (revision 9ac8d3fb)
1 #ifndef __KVM_X86_LAPIC_H
2 #define __KVM_X86_LAPIC_H
3 
4 #include "iodev.h"
5 
6 #include <linux/kvm_host.h>
7 
8 struct kvm_lapic {
9 	unsigned long base_address;
10 	struct kvm_io_device dev;
11 	struct {
12 		atomic_t pending;
13 		s64 period;	/* unit: ns */
14 		u32 divide_count;
15 		ktime_t last_update;
16 		struct hrtimer dev;
17 	} timer;
18 	struct kvm_vcpu *vcpu;
19 	struct page *regs_page;
20 	void *regs;
21 	gpa_t vapic_addr;
22 	struct page *vapic_page;
23 };
24 int kvm_create_lapic(struct kvm_vcpu *vcpu);
25 void kvm_free_lapic(struct kvm_vcpu *vcpu);
26 
27 int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);
28 int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
29 int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
30 void kvm_lapic_reset(struct kvm_vcpu *vcpu);
31 u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
32 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
33 void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value);
34 u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu);
35 
36 int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
37 int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
38 int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);
39 
40 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);
41 void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);
42 void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu);
43 int kvm_lapic_enabled(struct kvm_vcpu *vcpu);
44 int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
45 void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
46 
47 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
48 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
49 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
50 
51 #endif
52