| Oleksandr Andrushchenko | 673fd82 | 2020-08-06 12:42:49 +0300 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 |
| 2 | * |
| 3 | * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge |
| 4 | * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge |
| 5 | * (C) 2020 - EPAM Systems Inc. |
| 6 | * |
| 7 | * File: events.h |
| 8 | * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk) |
| 9 | * Changes: Grzegorz Milos (gm281@cam.ac.uk) |
| 10 | * |
| 11 | * Date: Jul 2003, changes Jun 2005 |
| 12 | * |
| 13 | * Description: Deals with events on the event channels |
| 14 | */ |
| 15 | #ifndef _EVENTS_H_ |
| 16 | #define _EVENTS_H_ |
| 17 | |
| 18 | #include <asm/xen/hypercall.h> |
| 19 | #include <xen/interface/event_channel.h> |
| 20 | |
| 21 | void init_events(void); |
| 22 | void fini_events(void); |
| 23 | |
| 24 | int do_event(evtchn_port_t port, struct pt_regs *regs); |
| 25 | void unbind_evtchn(evtchn_port_t port); |
| 26 | void unbind_all_ports(void); |
| 27 | int evtchn_alloc_unbound(domid_t pal, |
| 28 | void (*handler)(evtchn_port_t, struct pt_regs *, void *), |
| 29 | void *data, evtchn_port_t *port); |
| 30 | |
| 31 | /* Send notification via event channel */ |
| 32 | static inline int notify_remote_via_evtchn(evtchn_port_t port) |
| 33 | { |
| 34 | struct evtchn_send op; |
| 35 | |
| 36 | op.port = port; |
| 37 | return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op); |
| 38 | } |
| 39 | |
| 40 | void eventchn_poll(void); |
| 41 | |
| 42 | #endif /* _EVENTS_H_ */ |