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 27 #ifndef _HV_UTILREG_H_ 28 #define _HV_UTILREG_H_ 29 30 /* 31 * Some Hyper-V status codes. 32 */ 33 #define HV_S_OK 0x00000000 34 #define HV_E_FAIL 0x80004005 35 #define HV_S_CONT 0x80070103 36 #define HV_ERROR_NOT_SUPPORTED 0x80070032 37 #define HV_ERROR_MACHINE_LOCKED 0x800704F7 38 #define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F 39 #define HV_INVALIDARG 0x80070057 40 #define HV_GUID_NOTFOUND 0x80041002 41 42 /* 43 * Common defines for Hyper-V ICs 44 */ 45 #define HV_ICMSGTYPE_NEGOTIATE 0 46 #define HV_ICMSGTYPE_HEARTBEAT 1 47 #define HV_ICMSGTYPE_KVPEXCHANGE 2 48 #define HV_ICMSGTYPE_SHUTDOWN 3 49 #define HV_ICMSGTYPE_TIMESYNC 4 50 #define HV_ICMSGTYPE_VSS 5 51 52 #define HV_ICMSGHDRFLAG_TRANSACTION 1 53 #define HV_ICMSGHDRFLAG_REQUEST 2 54 #define HV_ICMSGHDRFLAG_RESPONSE 4 55 56 typedef struct hv_vmbus_pipe_hdr { 57 uint32_t flags; 58 uint32_t msgsize; 59 } __packed hv_vmbus_pipe_hdr; 60 61 typedef struct hv_vmbus_ic_version { 62 uint16_t major; 63 uint16_t minor; 64 } __packed hv_vmbus_ic_version; 65 66 typedef struct hv_vmbus_icmsg_hdr { 67 hv_vmbus_ic_version icverframe; 68 uint16_t icmsgtype; 69 hv_vmbus_ic_version icvermsg; 70 uint16_t icmsgsize; 71 uint32_t status; 72 uint8_t ictransaction_id; 73 uint8_t icflags; 74 uint8_t reserved[2]; 75 } __packed hv_vmbus_icmsg_hdr; 76 77 typedef struct hv_vmbus_icmsg_negotiate { 78 uint16_t icframe_vercnt; 79 uint16_t icmsg_vercnt; 80 uint32_t reserved; 81 hv_vmbus_ic_version icversion_data[1]; /* any size array */ 82 } __packed hv_vmbus_icmsg_negotiate; 83 84 #endif /* !_HV_UTILREG_H_ */ 85