From: Andrey Smetanin <[email protected]>
Signed-off-by: Andrey Smetanin <[email protected]>
Reviewed-by: Roman Kagan <[email protected]>
Signed-off-by: Denis V. Lunev <[email protected]>
CC: Paolo Bonzini <[email protected]>
CC: Richard Henderson <[email protected]>
CC: Eduardo Habkost <[email protected]>
CC: "Andreas Färber" <[email protected]>
CC: Marcelo Tosatti <[email protected]>
CC: Roman Kagan <[email protected]>
CC: Denis V. Lunev <[email protected]>
CC: [email protected]
Signed-off-by: Paolo Bonzini <[email protected]>
---
include/sysemu/kvm.h | 1 +
kvm-all.c | 33 +++++++++++++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index b31f325..9a569f1 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -455,6 +455,7 @@ 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_adapter_route(KVMState *s, AdapterInfo *adapter);
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint);
int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
EventNotifier *rn, int virq);
diff --git a/kvm-all.c b/kvm-all.c
index ed707fe..e78a378 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1300,6 +1300,34 @@ int kvm_irqchip_add_adapter_route(KVMState *s,
AdapterInfo *adapter)
return virq;
}
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint)
+{
+ struct kvm_irq_routing_entry kroute = {};
+ int virq;
+
+ if (!kvm_gsi_routing_enabled()) {
+ return -ENOSYS;
+ }
+ if (!kvm_check_extension(s, KVM_CAP_HYPERV_SYNIC)) {
+ return -ENOSYS;
+ }
+ virq = kvm_irqchip_get_virq(s);
+ if (virq < 0) {
+ return virq;
+ }
+
+ kroute.gsi = virq;
+ kroute.type = KVM_IRQ_ROUTING_HV_SINT;
+ kroute.flags = 0;
+ kroute.u.hv_sint.vcpu = vcpu;
+ kroute.u.hv_sint.sint = sint;
+
+ kvm_add_routing_entry(s, &kroute);
+ kvm_irqchip_commit_routes(s);
+
+ return virq;
+}
+
#else /* !KVM_CAP_IRQ_ROUTING */
void kvm_init_irq_routing(KVMState *s)
@@ -1325,6 +1353,11 @@ int kvm_irqchip_add_adapter_route(KVMState *s,
AdapterInfo *adapter)
return -ENOSYS;
}
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint)
+{
+ return -ENOSYS;
+}
+
static int kvm_irqchip_assign_irqfd(KVMState *s, int fd, int virq, bool assign)
{
abort();
--
2.5.0
