2 * Copyright (c) 2016 Microsoft Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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29 #ifndef _HV_UTILREG_H_
30 #define _HV_UTILREG_H_
33 * Some Hyper-V status codes.
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
45 * Common defines for Hyper-V ICs
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
54 #define HV_ICMSGHDRFLAG_TRANSACTION 1
55 #define HV_ICMSGHDRFLAG_REQUEST 2
56 #define HV_ICMSGHDRFLAG_RESPONSE 4
58 typedef struct hv_vmbus_pipe_hdr {
61 } __packed hv_vmbus_pipe_hdr;
63 typedef struct hv_vmbus_ic_version {
66 } __packed hv_vmbus_ic_version;
68 typedef struct hv_vmbus_icmsg_hdr {
69 hv_vmbus_ic_version icverframe;
71 hv_vmbus_ic_version icvermsg;
74 uint8_t ictransaction_id;
77 } __packed hv_vmbus_icmsg_hdr;
79 typedef struct hv_vmbus_icmsg_negotiate {
80 uint16_t icframe_vercnt;
81 uint16_t icmsg_vercnt;
83 hv_vmbus_ic_version icversion_data[1]; /* any size array */
84 } __packed hv_vmbus_icmsg_negotiate;
86 #endif /* !_HV_UTILREG_H_ */