vector->virq = msg ? kvm_irqchip_add_msi_route(kvm_state, *msg) : -1;
if (vector->virq < 0 ||
kvm_irqchip_add_irqfd_notifier(kvm_state, &vector->interrupt,
- vector->virq) < 0) {
+ NULL, vector->virq) < 0) {
if (vector->virq >= 0) {
kvm_irqchip_release_virq(kvm_state, vector->virq);
vector->virq = -1;
vector->virq = kvm_irqchip_add_msi_route(kvm_state, msg);
if (vector->virq < 0 ||
kvm_irqchip_add_irqfd_notifier(kvm_state, &vector->interrupt,
- vector->virq) < 0) {
+ NULL, vector->virq) < 0) {
qemu_set_fd_handler(event_notifier_get_fd(&vector->interrupt),
vfio_msi_interrupt, NULL, vector);
}
VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no);
EventNotifier *n = virtio_queue_get_guest_notifier(vq);
int ret;
- ret = kvm_irqchip_add_irqfd_notifier(kvm_state, n, irqfd->virq);
+ ret = kvm_irqchip_add_irqfd_notifier(kvm_state, n, NULL, irqfd->virq);
return ret;
}
int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg);
void kvm_irqchip_release_virq(KVMState *s, int virq);
-int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
+ EventNotifier *rn, int virq);
int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
void kvm_pc_gsi_handler(void *opaque, int n, int level);
void kvm_pc_setup_irq_routing(bool pci_enabled);
return kvm_update_routing_entry(s, &kroute);
}
-static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
+static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int rfd, int virq,
+ bool assign)
{
struct kvm_irqfd irqfd = {
.fd = fd,
.flags = assign ? 0 : KVM_IRQFD_FLAG_DEASSIGN,
};
+ if (rfd != -1) {
+ irqfd.flags |= KVM_IRQFD_FLAG_RESAMPLE;
+ irqfd.resamplefd = rfd;
+ }
+
if (!kvm_irqfds_enabled()) {
return -ENOSYS;
}
}
#endif /* !KVM_CAP_IRQ_ROUTING */
-int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
+ EventNotifier *rn, int virq)
{
- return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n), virq, true);
+ return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n),
+ rn ? event_notifier_get_fd(rn) : -1, virq, true);
}
int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
{
- return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n), virq, false);
+ return kvm_irqchip_assign_irqfd(s, event_notifier_get_fd(n), -1, virq,
+ false);
}
static int kvm_irqchip_create(KVMState *s)