zephyr/drivers/xen/events.c

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/*
* Copyright (c) 2021 EPAM Systems
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <arch/arm64/hypercall.h>
#include <xen/public/xen.h>
#include <xen/public/event_channel.h>
#include <xen/events.h>
void notify_evtchn(evtchn_port_t port)
{
struct evtchn_send send;
if (port >= EVTCHN_2L_NR_CHANNELS) {
printk("%s: trying to send notify for invalid evtchn #%u\n",
__func__, port);
return;
}
send.port = port;
HYPERVISOR_event_channel_op(EVTCHNOP_send, &send);
}