freebsd-dev/sys/dev/hyperv/utilities/hv_util.h
Sepherosa Ziehau 8f555c7d0a hyperv/ic: Redefine IC version negotiate message.
And stringent input IC version negotiate message checks.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7614
2016-08-24 04:36:04 +00:00

60 lines
2.0 KiB
C

/*-
* Copyright (c) 2009-2012,2016 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_
#include <dev/hyperv/include/hyperv.h>
#include <dev/hyperv/include/vmbus.h>
/**
* hv_util related structures
*
*/
typedef struct hv_util_sc {
device_t ic_dev;
uint8_t *receive_buffer;
int ic_buflen;
} hv_util_sc;
struct vmbus_ic_desc {
const struct hyperv_guid ic_guid;
const char *ic_desc;
};
#define VMBUS_IC_DESC_END { .ic_desc = NULL }
int hv_util_attach(device_t dev, vmbus_chan_callback_t cb);
int hv_util_detach(device_t dev);
int vmbus_ic_probe(device_t dev, const struct vmbus_ic_desc descs[]);
int vmbus_ic_negomsg(struct hv_util_sc *, void *data, int dlen);
#endif