[Qemu-devel] [RFC v4 10/13] hw/intc/arm_gic_kvm: enable irqfd and set routing table

[Eric Auger <eric.auger@linaro.org>]

Makes possible to use KVM irqfd. An identity GSI routing table
is defined so that virtual IRQ injection can happen.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
---
 hw/intc/arm_gic_kvm.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 5038885..29b9236 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -576,6 +576,17 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
                             KVM_DEV_ARM_VGIC_GRP_ADDR,
                             KVM_VGIC_V2_ADDR_TYPE_CPU,
                             s->dev_fd);
+
+    /* set up irq routing */
+    kvm_init_irq_routing(kvm_state);
+    for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) {
+        kvm_irqchip_add_irq_route(kvm_state, i, 0, i);
+    }
+
+    kvm_irqfds_allowed = true;
+    kvm_gsi_routing_allowed = true;
+
+    kvm_irqchip_commit_routes(kvm_state);
 }
 
 static void kvm_arm_gic_class_init(ObjectClass *klass, void *data)
-- 
1.8.3.2