xref: /openbmc/qemu/hw/i386/kvm/xen_evtchn.h (revision c723d4c1)
1 /*
2  * QEMU Xen emulation: Event channel support
3  *
4  * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5  *
6  * Authors: David Woodhouse <dwmw2@infradead.org>
7  *
8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
9  * See the COPYING file in the top-level directory.
10  */
11 
12 #ifndef QEMU_XEN_EVTCHN_H
13 #define QEMU_XEN_EVTCHN_H
14 
15 void xen_evtchn_create(void);
16 int xen_evtchn_set_callback_param(uint64_t param);
17 
18 struct evtchn_status;
19 struct evtchn_close;
20 struct evtchn_unmask;
21 struct evtchn_bind_virq;
22 int xen_evtchn_status_op(struct evtchn_status *status);
23 int xen_evtchn_close_op(struct evtchn_close *close);
24 int xen_evtchn_unmask_op(struct evtchn_unmask *unmask);
25 int xen_evtchn_bind_virq_op(struct evtchn_bind_virq *virq);
26 
27 #endif /* QEMU_XEN_EVTCHN_H */
28