182470196SZhang Xiantao #ifndef __KVM_X86_LAPIC_H 282470196SZhang Xiantao #define __KVM_X86_LAPIC_H 382470196SZhang Xiantao 482470196SZhang Xiantao #include "iodev.h" 582470196SZhang Xiantao 682470196SZhang Xiantao #include <linux/kvm_host.h> 782470196SZhang Xiantao 8e9d90d47SAvi Kivity struct kvm_timer { 9e9d90d47SAvi Kivity struct hrtimer timer; 10e9d90d47SAvi Kivity s64 period; /* unit: ns */ 11e9d90d47SAvi Kivity u32 timer_mode_mask; 12e9d90d47SAvi Kivity u64 tscdeadline; 13e9d90d47SAvi Kivity atomic_t pending; /* accumulated triggered timers */ 14e9d90d47SAvi Kivity }; 15e9d90d47SAvi Kivity 1682470196SZhang Xiantao struct kvm_lapic { 1782470196SZhang Xiantao unsigned long base_address; 1882470196SZhang Xiantao struct kvm_io_device dev; 19d3c7b77dSMarcelo Tosatti struct kvm_timer lapic_timer; 2082470196SZhang Xiantao u32 divide_count; 2182470196SZhang Xiantao struct kvm_vcpu *vcpu; 2233e4c686SGleb Natapov bool irr_pending; 238680b94bSMichael S. Tsirkin /* Number of bits set in ISR. */ 248680b94bSMichael S. Tsirkin s16 isr_count; 258680b94bSMichael S. Tsirkin /* The highest vector set in ISR; if -1 - invalid, must scan ISR. */ 268680b94bSMichael S. Tsirkin int highest_isr_cache; 275eadf916SMichael S. Tsirkin /** 285eadf916SMichael S. Tsirkin * APIC register page. The layout matches the register layout seen by 295eadf916SMichael S. Tsirkin * the guest 1:1, because it is accessed by the vmx microcode. 305eadf916SMichael S. Tsirkin * Note: Only one register, the TPR, is used by the microcode. 315eadf916SMichael S. Tsirkin */ 3282470196SZhang Xiantao void *regs; 33b93463aaSAvi Kivity gpa_t vapic_addr; 34b93463aaSAvi Kivity struct page *vapic_page; 3582470196SZhang Xiantao }; 3682470196SZhang Xiantao int kvm_create_lapic(struct kvm_vcpu *vcpu); 3782470196SZhang Xiantao void kvm_free_lapic(struct kvm_vcpu *vcpu); 3882470196SZhang Xiantao 3982470196SZhang Xiantao int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu); 4082470196SZhang Xiantao int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu); 4182470196SZhang Xiantao int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); 4282470196SZhang Xiantao void kvm_lapic_reset(struct kvm_vcpu *vcpu); 4382470196SZhang Xiantao u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu); 4482470196SZhang Xiantao void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8); 4558fbbf26SKevin Tian void kvm_lapic_set_eoi(struct kvm_vcpu *vcpu); 4682470196SZhang Xiantao void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value); 478b2cf73cSHarvey Harrison u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu); 48fc61b800SGleb Natapov void kvm_apic_set_version(struct kvm_vcpu *vcpu); 4982470196SZhang Xiantao 5082470196SZhang Xiantao int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest); 5182470196SZhang Xiantao int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda); 5258c2dde1SGleb Natapov int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq); 5389342082SAvi Kivity int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type); 5482470196SZhang Xiantao 5582470196SZhang Xiantao u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); 5682470196SZhang Xiantao void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); 5782470196SZhang Xiantao void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); 5882470196SZhang Xiantao int kvm_lapic_enabled(struct kvm_vcpu *vcpu); 59343f94feSGleb Natapov bool kvm_apic_present(struct kvm_vcpu *vcpu); 6082470196SZhang Xiantao int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); 6182470196SZhang Xiantao 62a3e06bbeSLiu, Jinsong u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu); 63a3e06bbeSLiu, Jinsong void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); 64a3e06bbeSLiu, Jinsong 65b93463aaSAvi Kivity void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); 66b93463aaSAvi Kivity void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); 67b93463aaSAvi Kivity void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); 68b93463aaSAvi Kivity 690105d1a5SGleb Natapov int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 700105d1a5SGleb Natapov int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 7110388a07SGleb Natapov 7210388a07SGleb Natapov int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); 7310388a07SGleb Natapov int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); 7410388a07SGleb Natapov 7510388a07SGleb Natapov static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu) 7610388a07SGleb Natapov { 7710388a07SGleb Natapov return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE; 7810388a07SGleb Natapov } 79ae7a2a3fSMichael S. Tsirkin 80ae7a2a3fSMichael S. Tsirkin int kvm_lapic_enable_pv_eoi(struct kvm_vcpu *vcpu, u64 data); 81*c5cc421bSGleb Natapov void kvm_lapic_init(void); 8282470196SZhang Xiantao #endif 83