On Fri, 2025-01-17 at 09:53 +0000, Huang, Kai wrote:
> Btw, IIUC, in case of IRQCHIP split, KVM uses KVM_IRQ_ROUTING_MSI for routes of
> GSIs. But it seems KVM only allows level-triggered MSI to be signaled (which is
> a surprising):
>
> int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
> struct kvm *kvm, int irq_source_id, int level, bool line_status)
> {
> struct kvm_lapic_irq irq;
>
> if (kvm_msi_route_invalid(kvm, e))
> return -EINVAL;
>
> if (!level)
> return -1;
>
> kvm_set_msi_irq(kvm, e, &irq);
>
> return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL);
> }
Ah sorry this 'level' is not trig_mode. Please ignore :-)
