xref: /freebsd/sys/dev/hyperv/utilities/vmbus_icvar.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (c) 2009-2012,2016 Microsoft Corp.
3  * Copyright (c) 2012 NetApp Inc.
4  * Copyright (c) 2012 Citrix Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _VMBUS_ICVAR_H_
32 #define _VMBUS_ICVAR_H_
33 
34 #include <dev/hyperv/include/hyperv.h>
35 #include <dev/hyperv/include/vmbus.h>
36 
37 struct vmbus_ic_softc {
38 	device_t		ic_dev;
39 	uint8_t			*ic_buf;
40 	int			ic_buflen;
41 	uint32_t		ic_fwver;	/* framework version */
42 	uint32_t		ic_msgver;	/* message version */
43 };
44 
45 struct vmbus_ic_desc {
46 	const struct hyperv_guid	ic_guid;
47 	const char			*ic_desc;
48 };
49 
50 #define VMBUS_IC_DESC_END	{ .ic_desc = NULL }
51 
52 int		vmbus_ic_attach(device_t dev, vmbus_chan_callback_t cb);
53 int		vmbus_ic_detach(device_t dev);
54 int		vmbus_ic_probe(device_t dev, const struct vmbus_ic_desc descs[]);
55 int		vmbus_ic_negomsg(struct vmbus_ic_softc *sc, void *data,
56 		    int *dlen, uint32_t fw_ver, uint32_t msg_ver);
57 int		vmbus_ic_sendresp(struct vmbus_ic_softc *sc,
58 		    struct vmbus_channel *chan, void *data, int dlen,
59 		    uint64_t xactid);
60 
61 #endif	/* !_VMBUS_ICVAR_H_ */
62