diff options
Diffstat (limited to 'arch/x86/kvm/lapic.h')
-rw-r--r-- | arch/x86/kvm/lapic.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h new file mode 100644 index 00000000..6f4ce257 --- /dev/null +++ b/arch/x86/kvm/lapic.h @@ -0,0 +1,63 @@ +#ifndef __KVM_X86_LAPIC_H +#define __KVM_X86_LAPIC_H + +#include "iodev.h" +#include "kvm_timer.h" + +#include <linux/kvm_host.h> + +struct kvm_lapic { + unsigned long base_address; + struct kvm_io_device dev; + struct kvm_timer lapic_timer; + u32 divide_count; + struct kvm_vcpu *vcpu; + bool irr_pending; + void *regs; + gpa_t vapic_addr; + struct page *vapic_page; +}; +int kvm_create_lapic(struct kvm_vcpu *vcpu); +void kvm_free_lapic(struct kvm_vcpu *vcpu); + +int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu); +int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu); +int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); +void kvm_lapic_reset(struct kvm_vcpu *vcpu); +u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu); +void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8); +void kvm_lapic_set_eoi(struct kvm_vcpu *vcpu); +void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value); +u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu); +void kvm_apic_set_version(struct kvm_vcpu *vcpu); + +int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest); +int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda); +int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq); +int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type); + +u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); +void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); +void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); +int kvm_lapic_enabled(struct kvm_vcpu *vcpu); +bool kvm_apic_present(struct kvm_vcpu *vcpu); +int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); + +u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu); +void kvm_set_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu, u64 data); + +void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr); +void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu); +void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu); + +int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); +int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); + +int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data); +int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data); + +static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE; +} +#endif |