EXPORT_SYMBOL_GPL(xenbus_alloc_evtchn);
-/**
- * Bind to an existing interdomain event channel in another domain. Returns 0
- * on success and stores the local port in *port. On error, returns -errno,
- * switches the device to XenbusStateClosing, and saves the error in XenStore.
- */
-int xenbus_bind_evtchn(struct xenbus_device *dev, int remote_port, int *port)
-{
- struct evtchn_bind_interdomain bind_interdomain;
- int err;
-
- bind_interdomain.remote_dom = dev->otherend_id;
- bind_interdomain.remote_port = remote_port;
-
- err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain,
- &bind_interdomain);
- if (err)
- xenbus_dev_fatal(dev, err,
- "binding to event channel %d from domain %d",
- remote_port, dev->otherend_id);
- else
- *port = bind_interdomain.local_port;
-
- return err;
-}
-EXPORT_SYMBOL_GPL(xenbus_bind_evtchn);
-
-
/**
* Free an existing event channel. Returns 0 on success or -errno on error.
*/
grant_handle_t handle, void *vaddr);
int xenbus_alloc_evtchn(struct xenbus_device *dev, int *port);
-int xenbus_bind_evtchn(struct xenbus_device *dev, int remote_port, int *port);
int xenbus_free_evtchn(struct xenbus_device *dev, int port);
enum xenbus_state xenbus_read_driver_state(const char *path);