LXR uboot/include/xen/events.h

   1/* SPDX-License-Identifier: GPL-2.0
   2 *
   3 * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
   4 * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
   5 * (C) 2020 - EPAM Systems Inc.
   6 *
   7 * File: events.h
   8 * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
   9 * Changes: Grzegorz Milos (gm281@cam.ac.uk)
  10 *
  11 * Date: Jul 2003, changes Jun 2005
  12 *
  13 * Description: Deals with events on the event channels
  14 */
  15#ifndef _EVENTS_H_
  16#define _EVENTS_H_
  17
  18#include <asm/xen/hypercall.h>
  19#include <xen/interface/event_channel.h>
  20
  21void init_events(void);
  22void fini_events(void);
  23
  24int do_event(evtchn_port_t port, struct pt_regs *regs);
  25void unbind_evtchn(evtchn_port_t port);
  26void unbind_all_ports(void);
  27int evtchn_alloc_unbound(domid_t pal,
  28                         void (*handler)(evtchn_port_t, struct pt_regs *, void *),
  29                         void *data, evtchn_port_t *port);
  30
  31/* Send notification via event channel */
  32static inline int notify_remote_via_evtchn(evtchn_port_t port)
  33{
  34        struct evtchn_send op;
  35
  36        op.port = port;
  37        return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op);
  38}
  39
  40void eventchn_poll(void);
  41
  42#endif /* _EVENTS_H_ */
  43