freebsd-nq/sys/dev/hyperv/utilities/hv_util.h
Sepherosa Ziehau 0bc2abddc8 hyperv/utils: Code rearrange and cleanup
Split heartbeat, shutdown and timesync out of utils code
and name them properly.

Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	adrian, sephe, Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5216
2016-02-24 05:01:18 +00:00

56 lines
1.8 KiB
C

/*-
* Copyright (c) 2009-2012 Microsoft Corp.
* Copyright (c) 2012 NetApp Inc.
* Copyright (c) 2012 Citrix Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _HVUTIL_H_
#define _HVUTIL_H_
/**
* hv_util related structures
*
*/
typedef struct hv_util_sc {
/*
* function to process Hyper-V messages
*/
void (*callback)(void *);
struct hv_device* hv_dev;
uint8_t *receive_buffer;
} hv_util_sc;
void hv_negotiate_version(
struct hv_vmbus_icmsg_hdr* icmsghdrp,
struct hv_vmbus_icmsg_negotiate* negop,
uint8_t* buf);
int hv_util_attach(device_t dev);
int hv_util_detach(device_t dev);
#endif