xref: /freebsd/sys/dev/hyperv/include/hyperv.h (revision 2c8d04d0228871c24017509cf039e7c5d97d97be)
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 /**
32  * HyperV definitions for messages that are sent between instances of the
33  * Channel Management Library in separate partitions, or in some cases,
34  * back to itself.
35  */
36 
37 #ifndef __HYPERV_H__
38 #define __HYPERV_H__
39 
40 #include <sys/param.h>
41 #include <sys/mbuf.h>
42 #include <sys/queue.h>
43 #include <sys/malloc.h>
44 #include <sys/kthread.h>
45 #include <sys/taskqueue.h>
46 #include <sys/systm.h>
47 #include <sys/lock.h>
48 #include <sys/sema.h>
49 #include <sys/smp.h>
50 #include <sys/mutex.h>
51 #include <sys/bus.h>
52 #include <sys/sysctl.h>
53 #include <vm/vm.h>
54 #include <vm/vm_param.h>
55 #include <vm/pmap.h>
56 
57 #include <amd64/include/xen/synch_bitops.h>
58 #include <amd64/include/atomic.h>
59 #include <dev/hyperv/include/hyperv_busdma.h>
60 
61 struct hyperv_guid {
62 	uint8_t		hv_guid[16];
63 } __packed;
64 
65 #define HYPERV_GUID_STRLEN	40
66 
67 int	hyperv_guid2str(const struct hyperv_guid *, char *, size_t);
68 
69 /**
70  * @brief Get physical address from virtual
71  */
72 static inline unsigned long
73 hv_get_phys_addr(void *virt)
74 {
75 	unsigned long ret;
76 	ret = (vtophys(virt) | ((vm_offset_t) virt & PAGE_MASK));
77 	return (ret);
78 }
79 
80 #endif  /* __HYPERV_H__ */
81