aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/kvm/lapic.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/kvm/lapic.c')
-rw-r--r--drivers/kvm/lapic.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/kvm/lapic.c b/drivers/kvm/lapic.c
index 2706ec36c258..01e769672dcc 100644
--- a/drivers/kvm/lapic.c
+++ b/drivers/kvm/lapic.c
@@ -788,6 +788,8 @@ static void lapic_reset(struct kvm_vcpu *vcpu)
788 788
789 for (i = 0; i < APIC_LVT_NUM; i++) 789 for (i = 0; i < APIC_LVT_NUM; i++)
790 apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); 790 apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED);
791 apic_set_reg(apic, APIC_LVT0,
792 SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT));
791 793
792 apic_set_reg(apic, APIC_DFR, 0xffffffffU); 794 apic_set_reg(apic, APIC_DFR, 0xffffffffU);
793 apic_set_reg(apic, APIC_SPIV, 0xff); 795 apic_set_reg(apic, APIC_SPIV, 0xff);
@@ -932,6 +934,21 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu)
932 return highest_irr; 934 return highest_irr;
933} 935}
934 936
937int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu)
938{
939 u32 lvt0 = apic_get_reg(vcpu->apic, APIC_LVT0);
940 int r = 0;
941
942 if (vcpu->vcpu_id == 0) {
943 if (!apic_hw_enabled(vcpu->apic))
944 r = 1;
945 if ((lvt0 & APIC_LVT_MASKED) == 0 &&
946 GET_APIC_DELIVERY_MODE(lvt0) == APIC_MODE_EXTINT)
947 r = 1;
948 }
949 return r;
950}
951
935void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu) 952void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu)
936{ 953{
937 struct kvm_lapic *apic = vcpu->apic; 954 struct kvm_lapic *apic = vcpu->apic;