xref: /freebsd/sys/dev/hyperv/vmbus/x86/hyperv_machdep.h (revision 058ac3e8063366dafa634d9107642e12b038bf09)
1 /*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD
2  * Copyright (c) 2022 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.
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25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _HYPERV_MACHDEP_H_
30 #define _HYPERV_MACHDEP_H_
31 
32 #include <sys/param.h>
33 
34 uint64_t hypercall_md(volatile void *hc_addr, uint64_t in_val,
35     uint64_t in_paddr, uint64_t out_paddr);
36 
37 #define WRMSR(msr, val) wrmsr(msr, val)
38 #define RDMSR(msr) rdmsr(msr)
39 
40 #endif /* !_HYPERV_MACHDEP_H_ */
41