xref: /openbmc/qemu/target/i386/kvm/hyperv-proto.h (revision 1580b897)
1 /*
2  * Definitions for Hyper-V guest/hypervisor interaction - x86-specific part
3  *
4  * Copyright (c) 2017-2018 Virtuozzo International GmbH.
5  *
6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
7  * See the COPYING file in the top-level directory.
8  */
9 
10 #ifndef TARGET_I386_HYPERV_PROTO_H
11 #define TARGET_I386_HYPERV_PROTO_H
12 
13 #include "hw/hyperv/hyperv-proto.h"
14 
15 #define HV_CPUID_VENDOR_AND_MAX_FUNCTIONS     0x40000000
16 #define HV_CPUID_INTERFACE                    0x40000001
17 #define HV_CPUID_VERSION                      0x40000002
18 #define HV_CPUID_FEATURES                     0x40000003
19 #define HV_CPUID_ENLIGHTMENT_INFO             0x40000004
20 #define HV_CPUID_IMPLEMENT_LIMITS             0x40000005
21 #define HV_CPUID_NESTED_FEATURES              0x4000000A
22 #define HV_CPUID_MIN                          0x40000005
23 #define HV_CPUID_MAX                          0x4000ffff
24 #define HV_HYPERVISOR_PRESENT_BIT             0x80000000
25 
26 /*
27  * HV_CPUID_FEATURES.EAX bits
28  */
29 #define HV_VP_RUNTIME_AVAILABLE      (1u << 0)
30 #define HV_TIME_REF_COUNT_AVAILABLE  (1u << 1)
31 #define HV_SYNIC_AVAILABLE           (1u << 2)
32 #define HV_SYNTIMERS_AVAILABLE       (1u << 3)
33 #define HV_APIC_ACCESS_AVAILABLE     (1u << 4)
34 #define HV_HYPERCALL_AVAILABLE       (1u << 5)
35 #define HV_VP_INDEX_AVAILABLE        (1u << 6)
36 #define HV_RESET_AVAILABLE           (1u << 7)
37 #define HV_REFERENCE_TSC_AVAILABLE   (1u << 9)
38 #define HV_ACCESS_FREQUENCY_MSRS     (1u << 11)
39 #define HV_ACCESS_REENLIGHTENMENTS_CONTROL  (1u << 13)
40 
41 /*
42  * HV_CPUID_FEATURES.EBX bits
43  */
44 #define HV_POST_MESSAGES             (1u << 4)
45 #define HV_SIGNAL_EVENTS             (1u << 5)
46 
47 /*
48  * HV_CPUID_FEATURES.EDX bits
49  */
50 #define HV_MWAIT_AVAILABLE                      (1u << 0)
51 #define HV_GUEST_DEBUGGING_AVAILABLE            (1u << 1)
52 #define HV_PERF_MONITOR_AVAILABLE               (1u << 2)
53 #define HV_CPU_DYNAMIC_PARTITIONING_AVAILABLE   (1u << 3)
54 #define HV_HYPERCALL_PARAMS_XMM_AVAILABLE       (1u << 4)
55 #define HV_GUEST_IDLE_STATE_AVAILABLE           (1u << 5)
56 #define HV_FREQUENCY_MSRS_AVAILABLE             (1u << 8)
57 #define HV_GUEST_CRASH_MSR_AVAILABLE            (1u << 10)
58 #define HV_STIMER_DIRECT_MODE_AVAILABLE         (1u << 19)
59 
60 /*
61  * HV_CPUID_ENLIGHTMENT_INFO.EAX bits
62  */
63 #define HV_AS_SWITCH_RECOMMENDED            (1u << 0)
64 #define HV_LOCAL_TLB_FLUSH_RECOMMENDED      (1u << 1)
65 #define HV_REMOTE_TLB_FLUSH_RECOMMENDED     (1u << 2)
66 #define HV_APIC_ACCESS_RECOMMENDED          (1u << 3)
67 #define HV_SYSTEM_RESET_RECOMMENDED         (1u << 4)
68 #define HV_RELAXED_TIMING_RECOMMENDED       (1u << 5)
69 #define HV_CLUSTER_IPI_RECOMMENDED          (1u << 10)
70 #define HV_EX_PROCESSOR_MASKS_RECOMMENDED   (1u << 11)
71 #define HV_ENLIGHTENED_VMCS_RECOMMENDED     (1u << 14)
72 #define HV_NO_NONARCH_CORESHARING           (1u << 18)
73 
74 /*
75  * Basic virtualized MSRs
76  */
77 #define HV_X64_MSR_GUEST_OS_ID                0x40000000
78 #define HV_X64_MSR_HYPERCALL                  0x40000001
79 #define HV_X64_MSR_VP_INDEX                   0x40000002
80 #define HV_X64_MSR_RESET                      0x40000003
81 #define HV_X64_MSR_VP_RUNTIME                 0x40000010
82 #define HV_X64_MSR_TIME_REF_COUNT             0x40000020
83 #define HV_X64_MSR_REFERENCE_TSC              0x40000021
84 #define HV_X64_MSR_TSC_FREQUENCY              0x40000022
85 #define HV_X64_MSR_APIC_FREQUENCY             0x40000023
86 
87 /*
88  * Virtual APIC MSRs
89  */
90 #define HV_X64_MSR_EOI                        0x40000070
91 #define HV_X64_MSR_ICR                        0x40000071
92 #define HV_X64_MSR_TPR                        0x40000072
93 #define HV_X64_MSR_APIC_ASSIST_PAGE           0x40000073
94 
95 /*
96  * Synthetic interrupt controller MSRs
97  */
98 #define HV_X64_MSR_SCONTROL                   0x40000080
99 #define HV_X64_MSR_SVERSION                   0x40000081
100 #define HV_X64_MSR_SIEFP                      0x40000082
101 #define HV_X64_MSR_SIMP                       0x40000083
102 #define HV_X64_MSR_EOM                        0x40000084
103 #define HV_X64_MSR_SINT0                      0x40000090
104 #define HV_X64_MSR_SINT1                      0x40000091
105 #define HV_X64_MSR_SINT2                      0x40000092
106 #define HV_X64_MSR_SINT3                      0x40000093
107 #define HV_X64_MSR_SINT4                      0x40000094
108 #define HV_X64_MSR_SINT5                      0x40000095
109 #define HV_X64_MSR_SINT6                      0x40000096
110 #define HV_X64_MSR_SINT7                      0x40000097
111 #define HV_X64_MSR_SINT8                      0x40000098
112 #define HV_X64_MSR_SINT9                      0x40000099
113 #define HV_X64_MSR_SINT10                     0x4000009A
114 #define HV_X64_MSR_SINT11                     0x4000009B
115 #define HV_X64_MSR_SINT12                     0x4000009C
116 #define HV_X64_MSR_SINT13                     0x4000009D
117 #define HV_X64_MSR_SINT14                     0x4000009E
118 #define HV_X64_MSR_SINT15                     0x4000009F
119 
120 /*
121  * Synthetic timer MSRs
122  */
123 #define HV_X64_MSR_STIMER0_CONFIG               0x400000B0
124 #define HV_X64_MSR_STIMER0_COUNT                0x400000B1
125 #define HV_X64_MSR_STIMER1_CONFIG               0x400000B2
126 #define HV_X64_MSR_STIMER1_COUNT                0x400000B3
127 #define HV_X64_MSR_STIMER2_CONFIG               0x400000B4
128 #define HV_X64_MSR_STIMER2_COUNT                0x400000B5
129 #define HV_X64_MSR_STIMER3_CONFIG               0x400000B6
130 #define HV_X64_MSR_STIMER3_COUNT                0x400000B7
131 
132 /*
133  * Guest crash notification MSRs
134  */
135 #define HV_X64_MSR_CRASH_P0                     0x40000100
136 #define HV_X64_MSR_CRASH_P1                     0x40000101
137 #define HV_X64_MSR_CRASH_P2                     0x40000102
138 #define HV_X64_MSR_CRASH_P3                     0x40000103
139 #define HV_X64_MSR_CRASH_P4                     0x40000104
140 #define HV_CRASH_PARAMS    (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0 + 1)
141 #define HV_X64_MSR_CRASH_CTL                    0x40000105
142 #define HV_CRASH_CTL_NOTIFY                     (1ull << 63)
143 
144 /*
145  * Reenlightenment notification MSRs
146  */
147 #define HV_X64_MSR_REENLIGHTENMENT_CONTROL      0x40000106
148 #define HV_REENLIGHTENMENT_ENABLE_BIT           (1u << 16)
149 #define HV_X64_MSR_TSC_EMULATION_CONTROL        0x40000107
150 #define HV_X64_MSR_TSC_EMULATION_STATUS         0x40000108
151 
152 /*
153  * Hypercall MSR bits
154  */
155 #define HV_HYPERCALL_ENABLE                   (1u << 0)
156 
157 /*
158  * Synthetic interrupt controller definitions
159  */
160 #define HV_SYNIC_VERSION                      1
161 #define HV_SYNIC_ENABLE                       (1u << 0)
162 #define HV_SIMP_ENABLE                        (1u << 0)
163 #define HV_SIEFP_ENABLE                       (1u << 0)
164 #define HV_SINT_MASKED                        (1u << 16)
165 #define HV_SINT_AUTO_EOI                      (1u << 17)
166 #define HV_SINT_VECTOR_MASK                   0xff
167 
168 #define HV_STIMER_COUNT                       4
169 
170 
171 #endif
172