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,
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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>
33 #include <sys/systm.h>
36 * Hyper-V Synthetic MSRs
39 #define MSR_HV_GUEST_OS_ID 0x40000000
40 #define MSR_HV_GUESTID_BUILD_MASK 0xffffULL
41 #define MSR_HV_GUESTID_VERSION_MASK 0x0000ffffffff0000ULL
42 #define MSR_HV_GUESTID_VERSION_SHIFT 16
43 #define MSR_HV_GUESTID_OSID_MASK 0x00ff000000000000ULL
44 #define MSR_HV_GUESTID_OSID_SHIFT 48
45 #define MSR_HV_GUESTID_OSTYPE_MASK 0x7f00000000000000ULL
46 #define MSR_HV_GUESTID_OSTYPE_SHIFT 56
47 #define MSR_HV_GUESTID_OPENSRC 0x8000000000000000ULL
48 #define MSR_HV_GUESTID_OSTYPE_LINUX \
49 ((0x01ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
50 #define MSR_HV_GUESTID_OSTYPE_FREEBSD \
51 ((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
53 #define MSR_HV_HYPERCALL 0x40000001
54 #define MSR_HV_HYPERCALL_ENABLE 0x0001ULL
55 #define MSR_HV_HYPERCALL_RSVD_MASK 0x0ffeULL
56 #define MSR_HV_HYPERCALL_PGSHIFT 12
58 #define MSR_HV_VP_INDEX 0x40000002
60 #define MSR_HV_REFERENCE_TSC 0x40000021
61 #define MSR_HV_REFTSC_ENABLE 0x0001ULL
62 #define MSR_HV_REFTSC_RSVD_MASK 0x0ffeULL
63 #define MSR_HV_REFTSC_PGSHIFT 12
65 #define MSR_HV_SCONTROL 0x40000080
66 #define MSR_HV_SCTRL_ENABLE 0x0001ULL
67 #define MSR_HV_SCTRL_RSVD_MASK 0xfffffffffffffffeULL
69 #define MSR_HV_SIEFP 0x40000082
70 #define MSR_HV_SIEFP_ENABLE 0x0001ULL
71 #define MSR_HV_SIEFP_RSVD_MASK 0x0ffeULL
72 #define MSR_HV_SIEFP_PGSHIFT 12
74 #define MSR_HV_SIMP 0x40000083
75 #define MSR_HV_SIMP_ENABLE 0x0001ULL
76 #define MSR_HV_SIMP_RSVD_MASK 0x0ffeULL
77 #define MSR_HV_SIMP_PGSHIFT 12
79 #define MSR_HV_EOM 0x40000084
81 #define MSR_HV_SINT0 0x40000090
82 #define MSR_HV_SINT_VECTOR_MASK 0x00ffULL
83 #define MSR_HV_SINT_RSVD1_MASK 0xff00ULL
84 #define MSR_HV_SINT_MASKED 0x00010000ULL
85 #define MSR_HV_SINT_AUTOEOI 0x00020000ULL
86 #define MSR_HV_SINT_RSVD2_MASK 0xfffffffffffc0000ULL
87 #define MSR_HV_SINT_RSVD_MASK (MSR_HV_SINT_RSVD1_MASK | \
88 MSR_HV_SINT_RSVD2_MASK)
90 #define MSR_HV_STIMER0_CONFIG 0x400000b0
91 #define MSR_HV_STIMER_CFG_ENABLE 0x0001ULL
92 #define MSR_HV_STIMER_CFG_PERIODIC 0x0002ULL
93 #define MSR_HV_STIMER_CFG_LAZY 0x0004ULL
94 #define MSR_HV_STIMER_CFG_AUTOEN 0x0008ULL
95 #define MSR_HV_STIMER_CFG_SINT_MASK 0x000f0000ULL
96 #define MSR_HV_STIMER_CFG_SINT_SHIFT 16
98 #define MSR_HV_STIMER0_COUNT 0x400000b1
104 #define CPUID_LEAF_HV_MAXLEAF 0x40000000
106 #define CPUID_LEAF_HV_INTERFACE 0x40000001
107 #define CPUID_HV_IFACE_HYPERV 0x31237648 /* HV#1 */
109 #define CPUID_LEAF_HV_IDENTITY 0x40000002
111 #define CPUID_LEAF_HV_FEATURES 0x40000003
112 /* EAX: features include/hyperv.h CPUID_HV_MSR */
113 /* ECX: power management features */
114 #define CPUPM_HV_CSTATE_MASK 0x000f /* deepest C-state */
115 #define CPUPM_HV_C3_HPET 0x0010 /* C3 requires HPET */
116 #define CPUPM_HV_CSTATE(f) ((f) & CPUPM_HV_CSTATE_MASK)
118 #define CPUID3_HV_MWAIT 0x0001 /* MWAIT */
119 #define CPUID3_HV_XMM_HYPERCALL 0x0010 /* Hypercall input through
121 #define CPUID3_HV_GUEST_IDLE 0x0020 /* guest idle */
122 #define CPUID3_HV_NUMA 0x0080 /* NUMA distance query */
123 #define CPUID3_HV_TIME_FREQ 0x0100 /* timer frequency query
125 #define CPUID3_HV_MSR_CRASH 0x0400 /* MSRs for guest crash */
127 #define CPUID_LEAF_HV_RECOMMENDS 0x40000004
128 #define CPUID_LEAF_HV_LIMITS 0x40000005
129 #define CPUID_LEAF_HV_HWFEATURES 0x40000006
132 * Hyper-V Monitor Notification Facility
134 struct hyperv_mon_param {
136 uint16_t mp_evtflag_ofs;
141 * Hyper-V message types
143 #define HYPERV_MSGTYPE_NONE 0
144 #define HYPERV_MSGTYPE_CHANNEL 1
145 #define HYPERV_MSGTYPE_TIMER_EXPIRED 0x80000010
148 * Hypercall status codes
150 #define HYPERCALL_STATUS_SUCCESS 0x0000
153 * Hypercall input values
155 #define HYPERCALL_POST_MESSAGE 0x005c
156 #define HYPERCALL_SIGNAL_EVENT 0x005d
159 * Hypercall input parameters
161 #define HYPERCALL_PARAM_ALIGN 8
165 * <<Hypervisor Top Level Functional Specification 4.0b>> requires
166 * input parameters size to be multiple of 8, however, many post
167 * message input parameters do _not_ meet this requirement.
169 #define HYPERCALL_PARAM_SIZE_ALIGN 8
173 * HYPERCALL_POST_MESSAGE
175 #define HYPERCALL_POSTMSGIN_DSIZE_MAX 240
176 #define HYPERCALL_POSTMSGIN_SIZE 256
178 struct hypercall_postmsg_in {
181 uint32_t hc_msgtype; /* HYPERV_MSGTYPE_ */
183 uint8_t hc_data[HYPERCALL_POSTMSGIN_DSIZE_MAX];
185 CTASSERT(sizeof(struct hypercall_postmsg_in) == HYPERCALL_POSTMSGIN_SIZE);
188 * HYPERCALL_SIGNAL_EVENT
190 * struct hyperv_mon_param.
193 #endif /* !_HYPERV_REG_H_ */