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- /* SPDX-License-Identifier: GPL-2.0
- *
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
- * (C) 2020 - EPAM Systems Inc.
- *
- * File: events.h
- * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
- * Changes: Grzegorz Milos (gm281@cam.ac.uk)
- *
- * Date: Jul 2003, changes Jun 2005
- *
- * Description: Deals with events on the event channels
- */
- #ifndef _EVENTS_H_
- #define _EVENTS_H_
- #include <asm/xen/hypercall.h>
- #include <xen/interface/event_channel.h>
- void init_events(void);
- void fini_events(void);
- int do_event(evtchn_port_t port, struct pt_regs *regs);
- void unbind_evtchn(evtchn_port_t port);
- void unbind_all_ports(void);
- int evtchn_alloc_unbound(domid_t pal,
- void (*handler)(evtchn_port_t, struct pt_regs *, void *),
- void *data, evtchn_port_t *port);
- /* Send notification via event channel */
- static inline int notify_remote_via_evtchn(evtchn_port_t port)
- {
- struct evtchn_send op;
- op.port = port;
- return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op);
- }
- void eventchn_poll(void);
- #endif /* _EVENTS_H_ */
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