KVM: Export kvm_init_irq_routing

On PPC, we can have different types of interrupt controllers, so we really
only know that we are going to use one when we created it.

Export kvm_init_irq_routing() to common code, so that we don't have to call
kvm_irqchip_create().

Signed-off-by: Alexander Graf <agraf@suse.de>

include/sysemu/kvm.h

@@ -312,4 +312,5 @@ int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 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);
+void kvm_init_irq_routing(KVMState *s);
 #endif

kvm-all.c

@@ -954,7 +954,7 @@ static void clear_gsi(KVMState *s, unsigned int gsi)
     s->used_gsi_bitmap[gsi / 32] &= ~(1U << (gsi % 32));
 }
 
-static void kvm_init_irq_routing(KVMState *s)
+void kvm_init_irq_routing(KVMState *s)
 {
     int gsi_count, i;
 
@@ -1242,7 +1242,7 @@ static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
 
 #else /* !KVM_CAP_IRQ_ROUTING */
 
-static void kvm_init_irq_routing(KVMState *s)
+void kvm_init_irq_routing(KVMState *s)
 {
 }
 

kvm-stub.c

@@ -122,6 +122,10 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
     return -ENOSYS;
 }
 
+void kvm_init_irq_routing(KVMState *s)
+{
+}
+
 void kvm_irqchip_release_virq(KVMState *s, int virq)
 {
 }