hyperv_var.h revision 307018 
1/*-
2 * Copyright (c) 2016 Microsoft Corp.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/dev/hyperv/vmbus/hyperv_var.h 307018 2016-10-11 06:35:29Z sephe $
27 */
28
29#ifndef _HYPERV_VAR_H_
30#define _HYPERV_VAR_H_
31
32#include <machine/bus.h>
33
34#ifndef NANOSEC
35#define NANOSEC			1000000000ULL
36#endif
37#define HYPERV_TIMER_NS_FACTOR	100ULL
38#define HYPERV_TIMER_FREQ	(NANOSEC / HYPERV_TIMER_NS_FACTOR)
39
40extern u_int	hyperv_features;
41extern u_int	hyperv_recommends;
42
43uint64_t	hypercall_post_message(bus_addr_t msg_paddr);
44uint64_t	hypercall_signal_event(bus_addr_t sigevt_paddr);
45
46#endif	/* !_HYPERV_VAR_H_ */
47