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MFC 308201
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1 /*-
2  * Copyright (c) 2016 Microsoft Corp.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28
29 #ifndef _HV_UTILREG_H_
30 #define _HV_UTILREG_H_
31
32 /*
33  * Some Hyper-V status codes.
34  */
35 #define HV_S_OK                         0x00000000
36 #define HV_E_FAIL                       0x80004005
37 #define HV_S_CONT                       0x80070103
38 #define HV_ERROR_NOT_SUPPORTED          0x80070032
39 #define HV_ERROR_MACHINE_LOCKED         0x800704F7
40 #define HV_ERROR_DEVICE_NOT_CONNECTED   0x8007048F
41 #define HV_INVALIDARG                   0x80070057
42 #define HV_GUID_NOTFOUND                0x80041002
43
44 /*
45  * Common defines for Hyper-V ICs
46  */
47 #define HV_ICMSGTYPE_NEGOTIATE          0
48 #define HV_ICMSGTYPE_HEARTBEAT          1
49 #define HV_ICMSGTYPE_KVPEXCHANGE        2
50 #define HV_ICMSGTYPE_SHUTDOWN           3
51 #define HV_ICMSGTYPE_TIMESYNC           4
52 #define HV_ICMSGTYPE_VSS                5
53
54 #define HV_ICMSGHDRFLAG_TRANSACTION     1
55 #define HV_ICMSGHDRFLAG_REQUEST         2
56 #define HV_ICMSGHDRFLAG_RESPONSE        4
57
58 typedef struct hv_vmbus_pipe_hdr {
59         uint32_t flags;
60         uint32_t msgsize;
61 } __packed hv_vmbus_pipe_hdr;
62
63 typedef struct hv_vmbus_ic_version {
64         uint16_t major;
65         uint16_t minor;
66 } __packed hv_vmbus_ic_version;
67
68 typedef struct hv_vmbus_icmsg_hdr {
69         hv_vmbus_ic_version     icverframe;
70         uint16_t                icmsgtype;
71         hv_vmbus_ic_version     icvermsg;
72         uint16_t                icmsgsize;
73         uint32_t                status;
74         uint8_t                 ictransaction_id;
75         uint8_t                 icflags;
76         uint8_t                 reserved[2];
77 } __packed hv_vmbus_icmsg_hdr;
78
79 typedef struct hv_vmbus_icmsg_negotiate {
80         uint16_t                icframe_vercnt;
81         uint16_t                icmsg_vercnt;
82         uint32_t                reserved;
83         hv_vmbus_ic_version     icversion_data[1]; /* any size array */
84 } __packed hv_vmbus_icmsg_negotiate;
85
86 #endif  /* !_HV_UTILREG_H_ */