xref: /freebsd/sys/dev/hyperv/vmbus/x86/hyperv_reg.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*- SPDX-License-Identifier: BSD-2-Clause
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.
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 _HYPERV_REG_H_
28 #define _HYPERV_REG_H_
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 
33 /*
34  * Hyper-V Synthetic MSRs
35  */
36 
37 #define MSR_HV_GUEST_OS_ID		0x40000000
38 #define MSR_HV_VP_INDEX			0x40000002
39 #define MSR_HV_SCONTROL			0x40000080
40 #define MSR_HV_SIEFP            0x40000082
41 #define MSR_HV_SIMP             0x40000083
42 #define MSR_HV_EOM			0x40000084
43 #define MSR_HV_SINT0			0x40000090
44 #define MSR_HV_SINT_AUTOEOI		0x00020000ULL
45 #define CPUID_LEAF_HV_IDENTITY		0x40000002
46 #define CPUID_LEAF_HV_FEATURES		0x40000003
47 #define CPUID_LEAF_HV_RECOMMENDS	0x40000004
48 #endif	/* !_HYPERV_REG_H_ */
49