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
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
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24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _HYPERV_REG_H_
30 #define _HYPERV_REG_H_
32 #include <sys/param.h>
35 * Hyper-V Synthetic MSRs
38 #define MSR_HV_GUEST_OS_ID 0x40000000
39 #define MSR_HV_GUESTID_BUILD_MASK 0xffffULL
40 #define MSR_HV_GUESTID_VERSION_MASK 0x0000ffffffff0000ULL
41 #define MSR_HV_GUESTID_VERSION_SHIFT 16
42 #define MSR_HV_GUESTID_OSID_MASK 0x00ff000000000000ULL
43 #define MSR_HV_GUESTID_OSID_SHIFT 48
44 #define MSR_HV_GUESTID_OSTYPE_MASK 0x7f00000000000000ULL
45 #define MSR_HV_GUESTID_OSTYPE_SHIFT 56
46 #define MSR_HV_GUESTID_OPENSRC 0x8000000000000000ULL
47 #define MSR_HV_GUESTID_OSTYPE_LINUX \
48 ((0x01ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
49 #define MSR_HV_GUESTID_OSTYPE_FREEBSD \
50 ((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
52 #define MSR_HV_HYPERCALL 0x40000001
53 #define MSR_HV_HYPERCALL_ENABLE 0x0001ULL
54 #define MSR_HV_HYPERCALL_RSVD_MASK 0x0ffeULL
55 #define MSR_HV_HYPERCALL_PGSHIFT 12
57 #define MSR_HV_VP_INDEX 0x40000002
59 #define MSR_HV_TIME_REF_COUNT 0x40000020
61 #define MSR_HV_SCONTROL 0x40000080
62 #define MSR_HV_SCTRL_ENABLE 0x0001ULL
63 #define MSR_HV_SCTRL_RSVD_MASK 0xfffffffffffffffeULL
65 #define MSR_HV_SIEFP 0x40000082
66 #define MSR_HV_SIEFP_ENABLE 0x0001ULL
67 #define MSR_HV_SIEFP_RSVD_MASK 0x0ffeULL
68 #define MSR_HV_SIEFP_PGSHIFT 12
70 #define MSR_HV_SIMP 0x40000083
71 #define MSR_HV_SIMP_ENABLE 0x0001ULL
72 #define MSR_HV_SIMP_RSVD_MASK 0x0ffeULL
73 #define MSR_HV_SIMP_PGSHIFT 12
75 #define MSR_HV_EOM 0x40000084
77 #define MSR_HV_SINT0 0x40000090
78 #define MSR_HV_SINT_VECTOR_MASK 0x00ffULL
79 #define MSR_HV_SINT_RSVD1_MASK 0xff00ULL
80 #define MSR_HV_SINT_MASKED 0x00010000ULL
81 #define MSR_HV_SINT_AUTOEOI 0x00020000ULL
82 #define MSR_HV_SINT_RSVD2_MASK 0xfffffffffffc0000ULL
83 #define MSR_HV_SINT_RSVD_MASK (MSR_HV_SINT_RSVD1_MASK | \
84 MSR_HV_SINT_RSVD2_MASK)
86 #define MSR_HV_STIMER0_CONFIG 0x400000b0
87 #define MSR_HV_STIMER_CFG_ENABLE 0x0001ULL
88 #define MSR_HV_STIMER_CFG_PERIODIC 0x0002ULL
89 #define MSR_HV_STIMER_CFG_LAZY 0x0004ULL
90 #define MSR_HV_STIMER_CFG_AUTOEN 0x0008ULL
91 #define MSR_HV_STIMER_CFG_SINT_MASK 0x000f0000ULL
92 #define MSR_HV_STIMER_CFG_SINT_SHIFT 16
94 #define MSR_HV_STIMER0_COUNT 0x400000b1
100 #define CPUID_LEAF_HV_MAXLEAF 0x40000000
102 #define CPUID_LEAF_HV_INTERFACE 0x40000001
103 #define CPUID_HV_IFACE_HYPERV 0x31237648 /* HV#1 */
105 #define CPUID_LEAF_HV_IDENTITY 0x40000002
107 #define CPUID_LEAF_HV_FEATURES 0x40000003
109 #define CPUID_HV_MSR_TIME_REFCNT 0x0002 /* MSR_HV_TIME_REF_COUNT */
110 #define CPUID_HV_MSR_SYNIC 0x0004 /* MSRs for SynIC */
111 #define CPUID_HV_MSR_SYNTIMER 0x0008 /* MSRs for SynTimer */
112 #define CPUID_HV_MSR_APIC 0x0010 /* MSR_HV_{EOI,ICR,TPR} */
113 #define CPUID_HV_MSR_HYPERCALL 0x0020 /* MSR_HV_GUEST_OS_ID
114 * MSR_HV_HYPERCALL */
115 #define CPUID_HV_MSR_VP_INDEX 0x0040 /* MSR_HV_VP_INDEX */
116 #define CPUID_HV_MSR_GUEST_IDLE 0x0400 /* MSR_HV_GUEST_IDLE */
117 /* ECX: power management features */
118 #define CPUPM_HV_CSTATE_MASK 0x000f /* deepest C-state */
119 #define CPUPM_HV_C3_HPET 0x0010 /* C3 requires HPET */
120 #define CPUPM_HV_CSTATE(f) ((f) & CPUPM_HV_CSTATE_MASK)
122 #define CPUID3_HV_MWAIT 0x0001 /* MWAIT */
123 #define CPUID3_HV_XMM_HYPERCALL 0x0010 /* Hypercall input through
125 #define CPUID3_HV_GUEST_IDLE 0x0020 /* guest idle */
126 #define CPUID3_HV_NUMA 0x0080 /* NUMA distance query */
127 #define CPUID3_HV_TIME_FREQ 0x0100 /* timer frequency query
129 #define CPUID3_HV_MSR_CRASH 0x0400 /* MSRs for guest crash */
131 #define CPUID_LEAF_HV_RECOMMENDS 0x40000004
132 #define CPUID_LEAF_HV_LIMITS 0x40000005
133 #define CPUID_LEAF_HV_HWFEATURES 0x40000006
136 * Hyper-V message types
138 #define HYPERV_MSGTYPE_NONE 0
139 #define HYPERV_MSGTYPE_CHANNEL 1
140 #define HYPERV_MSGTYPE_TIMER_EXPIRED 0x80000010
143 * Hypercall status codes
145 #define HYPERCALL_STATUS_SUCCESS 0x0000
148 * Hypercall input values
150 #define HYPERCALL_POST_MESSAGE 0x005c
153 * Hypercall input parameters
157 * HYPERCALL_POST_MESSAGE
159 #define HYPERCALL_POSTMSGIN_DSIZE_MAX 240
160 #define HYPERCALL_POSTMSGIN_SIZE 256
161 #define HYPERCALL_POSTMSGIN_ALIGN 8
163 struct hypercall_postmsg_in {
166 uint32_t hc_msgtype; /* HYPERV_MSGTYPE_ */
168 uint8_t hc_data[HYPERCALL_POSTMSGIN_DSIZE_MAX];
170 CTASSERT(sizeof(struct hypercall_postmsg_in) == HYPERCALL_POSTMSGIN_SIZE);
172 #endif /* !_HYPERV_REG_H_ */