if (injected && pent->fields.trig_mode == IOAPIC_LEVEL_TRIG)
pent->fields.remote_irr = 1;
}
- if (!pent->fields.trig_mode)
- ioapic->irr &= ~(1 << idx);
return injected;
}
mask_after = ioapic->redirtbl[index].fields.mask;
if (mask_before != mask_after)
kvm_fire_mask_notifiers(ioapic->kvm, index, mask_after);
- if (ioapic->irr & (1 << index))
+ if (ioapic->redirtbl[index].fields.trig_mode == IOAPIC_LEVEL_TRIG
+ && ioapic->irr & (1 << index))
ioapic_service(ioapic, index);
break;
}
if (!level)
ioapic->irr &= ~mask;
else {
+ int edge = (entry.fields.trig_mode == IOAPIC_EDGE_TRIG);
ioapic->irr |= mask;
- if ((!entry.fields.trig_mode && old_irr != ioapic->irr)
- || !entry.fields.remote_irr)
+ if ((edge && old_irr != ioapic->irr) ||
+ (!edge && !entry.fields.remote_irr))
ret = ioapic_service(ioapic, irq);
}
}
__kvm_ioapic_update_eoi(ioapic, i, trigger_mode);
}
+static inline struct kvm_ioapic *to_ioapic(struct kvm_io_device *dev)
+{
+ return container_of(dev, struct kvm_ioapic, dev);
+}
+
static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr,
int len, int is_write)
{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
+ struct kvm_ioapic *ioapic = to_ioapic(this);
return ((addr >= ioapic->base_address &&
(addr < ioapic->base_address + IOAPIC_MEM_LENGTH)));
static void ioapic_mmio_read(struct kvm_io_device *this, gpa_t addr, int len,
void *val)
{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
+ struct kvm_ioapic *ioapic = to_ioapic(this);
u32 result;
ioapic_debug("addr %lx\n", (unsigned long)addr);
static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
const void *val)
{
- struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;
+ struct kvm_ioapic *ioapic = to_ioapic(this);
u32 data;
ioapic_debug("ioapic_mmio_write addr=%p len=%d val=%p\n",
ioapic->id = 0;
}
+static const struct kvm_io_device_ops ioapic_mmio_ops = {
+ .read = ioapic_mmio_read,
+ .write = ioapic_mmio_write,
+ .in_range = ioapic_in_range,
+};
+
int kvm_ioapic_init(struct kvm *kvm)
{
struct kvm_ioapic *ioapic;
return -ENOMEM;
kvm->arch.vioapic = ioapic;
kvm_ioapic_reset(ioapic);
- ioapic->dev.read = ioapic_mmio_read;
- ioapic->dev.write = ioapic_mmio_write;
- ioapic->dev.in_range = ioapic_in_range;
- ioapic->dev.private = ioapic;
+ kvm_iodevice_init(&ioapic->dev, &ioapic_mmio_ops);
ioapic->kvm = kvm;
kvm_io_bus_register_dev(&kvm->mmio_bus, &ioapic->dev);
return 0;