xref: /netbsd-src/sys/dev/hyperv/vmbusicvar.h (revision 50517e577bcc45e13e612510f3e5d0d569a3f6c0)
1 /*	$NetBSD: vmbusicvar.h,v 1.1 2019/02/15 08:54:02 nonaka Exp $	*/
2 /*	$OpenBSD: hypervic.c,v 1.13 2017/08/10 15:25:57 mikeb Exp $	*/
3 
4 /*-
5  * Copyright (c) 2009-2016 Microsoft Corp.
6  * Copyright (c) 2012 NetApp Inc.
7  * Copyright (c) 2012 Citrix Inc.
8  * Copyright (c) 2016 Mike Belopuhov <mike@esdenera.com>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice unmodified, this list of conditions, and the following
16  *    disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * The OpenBSD port was done under funding by Esdenera Networks GmbH.
35  */
36 
37 #ifndef	_VMBUSICVAR_H_
38 #define	_VMBUSICVAR_H_
39 
40 #include <sys/sysctl.h>
41 
42 #include <dev/hyperv/vmbusvar.h>
43 
44 struct vmbusic_softc {
45 	device_t		sc_dev;
46 
47 	struct vmbus_channel	*sc_chan;
48 
49 	void			*sc_buf;
50 	size_t			sc_buflen;
51 
52 	uint32_t		sc_fwver;	/* framework version */
53 	uint32_t		sc_msgver;	/* message version */
54 
55 	struct sysctllog	*sc_log;
56 };
57 
58 int	vmbusic_probe(struct vmbus_attach_args *, const struct hyperv_guid *);
59 int	vmbusic_attach(device_t, struct vmbus_attach_args *,
60 	    vmbus_channel_callback_t);
61 int	vmbusic_detach(device_t, int);
62 
63 int	vmbusic_negotiate(struct vmbusic_softc *, void *, uint32_t *, uint32_t,
64 	    uint32_t);
65 int	vmbusic_sendresp(struct vmbusic_softc *, struct vmbus_channel *,
66 	    void *, uint32_t, uint64_t);
67 
68 #endif	/* _VMBUSICVAR_H_ */
69