xen: Rename xen_be_del_xendev

Prepare xen_be_del_xendev to be shared with frontends:
 * xen_be_del_xendev -> xen_pv_del_xendev

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

@@ -483,7 +483,7 @@ void xenstore_update_be(char *watch, char *type, int dom,
     if (xendev != NULL) {
         bepath = xs_read(xenstore, 0, xendev->be, &len);
         if (bepath == NULL) {
-            xen_be_del_xendev(xendev);
+            xen_pv_del_xendev(xendev);
         } else {
             free(bepath);
             xen_be_backend_changed(xendev, path);

hw/xen/xen_pvdev.c

@@ -286,7 +286,7 @@ struct XenDevice *xen_pv_find_xendev(const char *type, int dom, int dev)
 /*
  * release xen backend device.
  */
-void xen_be_del_xendev(struct XenDevice *xendev)
+void xen_pv_del_xendev(struct XenDevice *xendev)
 {
     if (xendev->ops->free) {
         xendev->ops->free(xendev);

include/hw/xen/xen_pvdev.h

@@ -66,7 +66,7 @@ const char *xenbus_strstate(enum xenbus_state state);
 
 void xen_pv_evtchn_event(void *opaque);
 void xen_pv_insert_xendev(struct XenDevice *xendev);
-void xen_be_del_xendev(struct XenDevice *xendev);
+void xen_pv_del_xendev(struct XenDevice *xendev);
 struct XenDevice *xen_pv_find_xendev(const char *type, int dom, int dev);
 
 void xen_pv_unbind_evtchn(struct XenDevice *xendev);