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_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 38 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); 39 void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); 40 void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); 41 int kvm_lapic_enabled(struct kvm_vcpu *vcpu); 42 bool kvm_apic_present(struct kvm_vcpu *vcpu); 43 int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); 44 45 u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu); 46 void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); 47 48 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); 49 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); 50 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); 51 52 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 53 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 54 55 int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 56 int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 57 58 static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu) 59 { 60 return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE; 61 } 62 #endif 63