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Diffstat (limited to 'hw/i386/kvm/xen_evtchn.c')
-rw-r--r--hw/i386/kvm/xen_evtchn.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c
index 886fbf6b3b..3048329474 100644
--- a/hw/i386/kvm/xen_evtchn.c
+++ b/hw/i386/kvm/xen_evtchn.c
@@ -15,6 +15,7 @@
 #include "qemu/lockable.h"
 #include "qemu/main-loop.h"
 #include "qemu/log.h"
+#include "qemu/error-report.h"
 #include "monitor/monitor.h"
 #include "monitor/hmp.h"
 #include "qapi/error.h"
@@ -34,6 +35,7 @@
 #include "hw/pci/msi.h"
 #include "hw/pci/msix.h"
 #include "hw/irq.h"
+#include "hw/xen/xen_backend_ops.h"
 
 #include "xen_evtchn.h"
 #include "xen_overlay.h"
@@ -278,6 +280,17 @@ static const TypeInfo xen_evtchn_info = {
     .class_init    = xen_evtchn_class_init,
 };
 
+static struct evtchn_backend_ops emu_evtchn_backend_ops = {
+    .open = xen_be_evtchn_open,
+    .bind_interdomain = xen_be_evtchn_bind_interdomain,
+    .unbind = xen_be_evtchn_unbind,
+    .close = xen_be_evtchn_close,
+    .get_fd = xen_be_evtchn_fd,
+    .notify = xen_be_evtchn_notify,
+    .unmask = xen_be_evtchn_unmask,
+    .pending = xen_be_evtchn_pending,
+};
+
 static void gsi_assert_bh(void *opaque)
 {
     struct vcpu_info *vi = kvm_xen_get_vcpu_info_hva(0);
@@ -318,6 +331,9 @@ void xen_evtchn_create(void)
     s->nr_pirq_inuse_words = DIV_ROUND_UP(s->nr_pirqs, 64);
     s->pirq_inuse_bitmap = g_new0(uint64_t, s->nr_pirq_inuse_words);
     s->pirq = g_new0(struct pirq_info, s->nr_pirqs);
+
+    /* Set event channel functions for backend drivers to use */
+    xen_evtchn_ops = &emu_evtchn_backend_ops;
 }
 
 void xen_evtchn_connect_gsis(qemu_irq *system_gsis)