diff options
| -rw-r--r-- | drivers/kvm/ioapic.c | 17 | ||||
| -rw-r--r-- | drivers/kvm/irq.h | 1 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c index e14b7c724e67..cf1d50b3549b 100644 --- a/drivers/kvm/ioapic.c +++ b/drivers/kvm/ioapic.c @@ -371,18 +371,27 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, } } +void kvm_ioapic_reset(struct kvm_ioapic *ioapic) +{ + int i; + + for (i = 0; i < IOAPIC_NUM_PINS; i++) + ioapic->redirtbl[i].fields.mask = 1; + ioapic->base_address = IOAPIC_DEFAULT_BASE_ADDRESS; + ioapic->ioregsel = 0; + ioapic->irr = 0; + ioapic->id = 0; +} + int kvm_ioapic_init(struct kvm *kvm) { struct kvm_ioapic *ioapic; - int i; ioapic = kzalloc(sizeof(struct kvm_ioapic), GFP_KERNEL); if (!ioapic) return -ENOMEM; kvm->vioapic = ioapic; - for (i = 0; i < IOAPIC_NUM_PINS; i++) - ioapic->redirtbl[i].fields.mask = 1; - ioapic->base_address = IOAPIC_DEFAULT_BASE_ADDRESS; + kvm_ioapic_reset(ioapic); ioapic->dev.read = ioapic_mmio_read; ioapic->dev.write = ioapic_mmio_write; ioapic->dev.in_range = ioapic_in_range; diff --git a/drivers/kvm/irq.h b/drivers/kvm/irq.h index e08ae1002bd8..5ad3cfd7622d 100644 --- a/drivers/kvm/irq.h +++ b/drivers/kvm/irq.h @@ -140,6 +140,7 @@ int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); int kvm_create_lapic(struct kvm_vcpu *vcpu); void kvm_lapic_reset(struct kvm_vcpu *vcpu); void kvm_pic_reset(struct kvm_kpic_state *s); +void kvm_ioapic_reset(struct kvm_ioapic *ioapic); void kvm_free_lapic(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); |