2 * Copyright (c) 2009-2012 Microsoft Corp.
3 * Copyright (c) 2012 NetApp Inc.
4 * Copyright (c) 2012 Citrix Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
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17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * hv_util related structures
38 typedef struct hv_util_sc {
40 * function to process Hyper-V messages
42 void (*callback)(void *);
44 struct hv_device* hv_dev;
45 uint8_t *receive_buffer;
48 void hv_negotiate_version(
49 struct hv_vmbus_icmsg_hdr* icmsghdrp,
50 struct hv_vmbus_icmsg_negotiate* negop,
53 int hv_util_attach(device_t dev);
54 int hv_util_detach(device_t dev);