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 /* Number of bits set in ISR. */ 17 s16 isr_count; 18 /* The highest vector set in ISR; if -1 - invalid, must scan ISR. */ 19 int highest_isr_cache; 20 /** 21 * APIC register page. The layout matches the register layout seen by 22 * the guest 1:1, because it is accessed by the vmx microcode. 23 * Note: Only one register, the TPR, is used by the microcode. 24 */ 25 void *regs; 26 gpa_t vapic_addr; 27 struct page *vapic_page; 28 }; 29 int kvm_create_lapic(struct kvm_vcpu *vcpu); 30 void kvm_free_lapic(struct kvm_vcpu *vcpu); 31 32 int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu); 33 int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu); 34 int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); 35 void kvm_lapic_reset(struct kvm_vcpu *vcpu); 36 u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu); 37 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8); 38 void kvm_lapic_set_eoi(struct kvm_vcpu *vcpu); 39 void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value); 40 u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu); 41 void kvm_apic_set_version(struct kvm_vcpu *vcpu); 42 43 int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest); 44 int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda); 45 int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq); 46 int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type); 47 48 u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); 49 void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); 50 void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); 51 int kvm_lapic_enabled(struct kvm_vcpu *vcpu); 52 bool kvm_apic_present(struct kvm_vcpu *vcpu); 53 int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); 54 55 u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu); 56 void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); 57 58 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); 59 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); 60 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); 61 62 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 63 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 64 65 int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 66 int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 67 68 static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu) 69 { 70 return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE; 71 } 72 73 int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data); 74 #endif 75