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