diff options
Diffstat (limited to 'drivers/kvm/lapic.c')
| -rw-r--r-- | drivers/kvm/lapic.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/kvm/lapic.c b/drivers/kvm/lapic.c index 2706ec36c25..01e769672dc 100644 --- a/drivers/kvm/lapic.c +++ b/drivers/kvm/lapic.c @@ -788,6 +788,8 @@ static void lapic_reset(struct kvm_vcpu *vcpu) for (i = 0; i < APIC_LVT_NUM; i++) apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); + apic_set_reg(apic, APIC_LVT0, + SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_set_reg(apic, APIC_DFR, 0xffffffffU); apic_set_reg(apic, APIC_SPIV, 0xff); @@ -932,6 +934,21 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu) return highest_irr; } +int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu) +{ + u32 lvt0 = apic_get_reg(vcpu->apic, APIC_LVT0); + int r = 0; + + if (vcpu->vcpu_id == 0) { + if (!apic_hw_enabled(vcpu->apic)) + r = 1; + if ((lvt0 & APIC_LVT_MASKED) == 0 && + GET_APIC_DELIVERY_MODE(lvt0) == APIC_MODE_EXTINT) + r = 1; + } + return r; +} + void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu) { struct kvm_lapic *apic = vcpu->apic; |