KVM: Replace irq_requested with more generic irq_requested_type
Separate guest irq type and host irq type, for we can support guest using INTx
with host using MSI (but not opposite combination).
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index ef2f03c..638de47 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -140,7 +140,7 @@
struct kvm_assigned_dev_kernel
*assigned_dev)
{
- if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested)
+ if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested_type)
free_irq(assigned_dev->host_irq, (void *)assigned_dev);
kvm_unregister_irq_ack_notifier(&assigned_dev->ack_notifier);
@@ -180,7 +180,7 @@
struct kvm_assigned_dev_kernel *adev,
struct kvm_assigned_irq *airq)
{
- if (adev->irq_requested) {
+ if (adev->irq_requested_type & KVM_ASSIGNED_DEV_GUEST_INTX) {
adev->guest_irq = airq->guest_irq;
adev->ack_notifier.gsi = airq->guest_irq;
return 0;
@@ -207,7 +207,8 @@
return -EIO;
}
- adev->irq_requested = true;
+ adev->irq_requested_type = KVM_ASSIGNED_DEV_GUEST_INTX |
+ KVM_ASSIGNED_DEV_HOST_INTX;
return 0;
}
@@ -227,7 +228,7 @@
return -EINVAL;
}
- if (!match->irq_requested) {
+ if (!match->irq_requested_type) {
INIT_WORK(&match->interrupt_work,
kvm_assigned_dev_interrupt_work_handler);
if (irqchip_in_kernel(kvm)) {