release/src-rt-6.x.4708/linux/linux-2.6.36/arch/x86/kvm/lapic.h

   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         struct page *regs_page;
  17         void *regs;
  18         gpa_t vapic_addr;
  19         struct page *vapic_page;
  20 };
  21 int kvm_create_lapic(struct kvm_vcpu *vcpu);
  22 void kvm_free_lapic(struct kvm_vcpu *vcpu);
  23
  24 int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu);
  25 int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
  26 int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
  27 void kvm_lapic_reset(struct kvm_vcpu *vcpu);
  28 u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
  29 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);
  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 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr);
  46 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu);
  47 void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
  48
  49 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
  50 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
  51
  52 int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
  53 int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
  54
  55 static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)
  56 {
  57         return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE;
  58 }
  59 #endif