xen: Move evtchn functions to xen_pvdev.c

The name of the functions moved:
 * xen_be_evtchn_event
 * xen_be_unbind_evtchn
 * xen_be_send_notify

Signed-off-by: Emil Condrea <emilcondrea@gmail.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Quan Xu <xuquan8@huawei.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>

hw/xen/xen_backend.c

@@ -607,25 +607,6 @@ void xenstore_update_fe(char *watch, struct XenDevice *xendev)
     xen_be_frontend_changed(xendev, node);
     xen_be_check_state(xendev);
 }
-static void xen_be_evtchn_event(void *opaque)
-{
-    struct XenDevice *xendev = opaque;
-    evtchn_port_t port;
-
-    port = xenevtchn_pending(xendev->evtchndev);
-    if (port != xendev->local_port) {
-        xen_be_printf(xendev, 0,
-                      "xenevtchn_pending returned %d (expected %d)\n",
-                      port, xendev->local_port);
-        return;
-    }
-    xenevtchn_unmask(xendev->evtchndev, port);
-
-    if (xendev->ops->event) {
-        xendev->ops->event(xendev);
-    }
-}
-
 /* -------------------------------------------------------------------- */
 
 int xen_be_init(void)
@@ -702,22 +683,6 @@ int xen_be_bind_evtchn(struct XenDevice *xendev)
     return 0;
 }
 
-void xen_be_unbind_evtchn(struct XenDevice *xendev)
-{
-    if (xendev->local_port == -1) {
-        return;
-    }
-    qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), NULL, NULL, NULL);
-    xenevtchn_unbind(xendev->evtchndev, xendev->local_port);
-    xen_be_printf(xendev, 2, "unbind evtchn port %d\n", xendev->local_port);
-    xendev->local_port = -1;
-}
-
-int xen_be_send_notify(struct XenDevice *xendev)
-{
-    return xenevtchn_notify(xendev->evtchndev, xendev->local_port);
-}
-
 
 static int xen_sysdev_init(SysBusDevice *dev)
 {

hw/xen/xen_pvdev.c

@@ -171,3 +171,38 @@ void xen_be_printf(struct XenDevice *xendev, int msg_level,
     }
     qemu_log_flush();
 }
+
+void xen_be_evtchn_event(void *opaque)
+{
+    struct XenDevice *xendev = opaque;
+    evtchn_port_t port;
+
+    port = xenevtchn_pending(xendev->evtchndev);
+    if (port != xendev->local_port) {
+        xen_be_printf(xendev, 0,
+                      "xenevtchn_pending returned %d (expected %d)\n",
+                      port, xendev->local_port);
+        return;
+    }
+    xenevtchn_unmask(xendev->evtchndev, port);
+
+    if (xendev->ops->event) {
+        xendev->ops->event(xendev);
+    }
+}
+
+void xen_be_unbind_evtchn(struct XenDevice *xendev)
+{
+    if (xendev->local_port == -1) {
+        return;
+    }
+    qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), NULL, NULL, NULL);
+    xenevtchn_unbind(xendev->evtchndev, xendev->local_port);
+    xen_be_printf(xendev, 2, "unbind evtchn port %d\n", xendev->local_port);
+    xendev->local_port = -1;
+}
+
+int xen_be_send_notify(struct XenDevice *xendev)
+{
+    return xenevtchn_notify(xendev->evtchndev, xendev->local_port);
+}

include/hw/xen/xen_backend.h

@@ -36,8 +36,6 @@ void xen_be_register_common(void);
 int xen_be_register(const char *type, struct XenDevOps *ops);
 int xen_be_set_state(struct XenDevice *xendev, enum xenbus_state state);
 int xen_be_bind_evtchn(struct XenDevice *xendev);
-void xen_be_unbind_evtchn(struct XenDevice *xendev);
-int xen_be_send_notify(struct XenDevice *xendev);
 
 /* actual backend drivers */
 extern struct XenDevOps xen_console_ops;      /* xen_console.c     */

include/hw/xen/xen_pvdev.h

@@ -64,6 +64,10 @@ void xenstore_update(void *unused);
 
 const char *xenbus_strstate(enum xenbus_state state);
 
+void xen_be_evtchn_event(void *opaque);
+void xen_be_unbind_evtchn(struct XenDevice *xendev);
+int xen_be_send_notify(struct XenDevice *xendev);
+
 void xen_be_printf(struct XenDevice *xendev, int msg_level,
                    const char *fmt, ...)  GCC_FMT_ATTR(3, 4);