events.h

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/*
 * Copyright (c) 2021-2025 EPAM Systems
 * Copyright (c) 2022 Arm Limited (or its affiliates). All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef __XEN_EVENTS_H__
#define __XEN_EVENTS_H__
 
#include <zephyr/xen/public/event_channel.h>
 
#include <zephyr/kernel.h>


typedef void (*evtchn_cb_t)(void *priv);

/* Internal event-channel callback slot. */
struct event_channel_handle {
        evtchn_cb_t cb;
        void *priv;
};
typedef struct event_channel_handle evtchn_handle_t;

int evtchn_status(evtchn_status_t *status);

int evtchn_close(evtchn_port_t port);

int evtchn_set_priority(evtchn_port_t port, uint32_t priority);

int notify_evtchn(evtchn_port_t port);

int alloc_unbound_event_channel(domid_t remote_dom);

int alloc_unbound_event_channel_dom0(domid_t dom, domid_t remote_dom);

int bind_interdomain_event_channel(domid_t remote_dom, evtchn_port_t remote_port,
                                   evtchn_cb_t cb, void *data);

int bind_event_channel(evtchn_port_t port, evtchn_cb_t cb, void *data);

int unbind_event_channel(evtchn_port_t port);

int get_missed_events(evtchn_port_t port);

int mask_event_channel(evtchn_port_t port);

int unmask_event_channel(evtchn_port_t port);

void clear_event_channel(evtchn_port_t port);

int xen_events_init(void);

 
#endif /* __XEN_EVENTS_H__ */