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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef SYSTEM_WHPX_INTERNAL_H
3 #define SYSTEM_WHPX_INTERNAL_H
4
5 #include <windows.h>
6 #include <winhvplatform.h>
7 #include "hw/i386/apic.h"
8 #include "exec/vaddr.h"
9
10 typedef enum WhpxBreakpointState {
11 WHPX_BP_CLEARED = 0,
12 WHPX_BP_SET_PENDING,
13 WHPX_BP_SET,
14 WHPX_BP_CLEAR_PENDING,
15 } WhpxBreakpointState;
16
17 struct whpx_breakpoint {
18 vaddr address;
19 WhpxBreakpointState state;
20 uint8_t original_instruction;
21 };
22
23 struct whpx_breakpoint_collection {
24 int allocated, used;
25 struct whpx_breakpoint data[0];
26 };
27
28 struct whpx_breakpoints {
29 int original_address_count;
30 vaddr *original_addresses;
31
32 struct whpx_breakpoint_collection *breakpoints;
33 };
34
35 struct whpx_state {
36 uint64_t mem_quota;
37 WHV_PARTITION_HANDLE partition;
38 uint64_t exception_exit_bitmap;
39 int32_t running_cpus;
40 struct whpx_breakpoints breakpoints;
41 bool step_pending;
42
43 bool kernel_irqchip_allowed;
44 bool kernel_irqchip_required;
45
46 bool hyperv_enlightenments_allowed;
47 bool hyperv_enlightenments_required;
48 bool hyperv_enlightenments_enabled;
49
50 bool separate_security_domain;
51
52 bool ignore_unknown_msr;
53 bool intercept_msr_gp;
54 };
55
56 extern struct whpx_state whpx_global;
57 void whpx_apic_get(APICCommonState *s);
58
59 #define WHV_E_UNKNOWN_CAPABILITY 0x80370300L
60
61 /* This should eventually come from the Windows SDK */
62 #define WHV_E_UNKNOWN_PROPERTY 0x80370302
63
64 #define LIST_WINHVPLATFORM_FUNCTIONS(X) \
65 X(HRESULT, WHvGetCapability, (WHV_CAPABILITY_CODE CapabilityCode, VOID* CapabilityBuffer, UINT32 CapabilityBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \
66 X(HRESULT, WHvCreatePartition, (WHV_PARTITION_HANDLE* Partition)) \
67 X(HRESULT, WHvSetupPartition, (WHV_PARTITION_HANDLE Partition)) \
68 X(HRESULT, WHvDeletePartition, (WHV_PARTITION_HANDLE Partition)) \
69 X(HRESULT, WHvGetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \
70 X(HRESULT, WHvSetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, const VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes)) \
71 X(HRESULT, WHvMapGpaRange, (WHV_PARTITION_HANDLE Partition, VOID* SourceAddress, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes, WHV_MAP_GPA_RANGE_FLAGS Flags)) \
72 X(HRESULT, WHvUnmapGpaRange, (WHV_PARTITION_HANDLE Partition, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes)) \
73 X(HRESULT, WHvTranslateGva, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, WHV_GUEST_VIRTUAL_ADDRESS Gva, WHV_TRANSLATE_GVA_FLAGS TranslateFlags, WHV_TRANSLATE_GVA_RESULT* TranslationResult, WHV_GUEST_PHYSICAL_ADDRESS* Gpa)) \
74 X(HRESULT, WHvCreateVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \
75 X(HRESULT, WHvDeleteVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex)) \
76 X(HRESULT, WHvRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, VOID* ExitContext, UINT32 ExitContextSizeInBytes)) \
77 X(HRESULT, WHvCancelRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \
78 X(HRESULT, WHvGetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, WHV_REGISTER_VALUE* RegisterValues)) \
79 X(HRESULT, WHvSetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, const WHV_REGISTER_VALUE* RegisterValues)) \
80
81 #ifdef __x86_64__
82 #define LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL_ARCH(X) \
83 X(HRESULT, WHvGetVirtualProcessorCpuidOutput, \
84 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Eax, \
85 UINT32 Ecx, WHV_CPUID_OUTPUT *CpuidOutput))
86 #else
87 #define LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL_ARCH(X)
88 #endif
89 /*
90 * These are supplemental functions that may not be present
91 * on all versions and are not critical for basic functionality.
92 */
93 #define LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(X) \
94 X(HRESULT, WHvSuspendPartitionTime, (WHV_PARTITION_HANDLE Partition)) \
95 X(HRESULT, WHvRequestInterrupt, (WHV_PARTITION_HANDLE Partition, \
96 WHV_INTERRUPT_CONTROL* Interrupt, UINT32 InterruptControlSize)) \
97 X(HRESULT, WHvGetVirtualProcessorInterruptControllerState2, \
98 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, PVOID State, \
99 UINT32 StateSize, UINT32* WrittenSize)) \
100 X(HRESULT, WHvSetVirtualProcessorInterruptControllerState2, \
101 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, PVOID State, \
102 UINT32 StateSize)) \
103 X(HRESULT, WHvResetPartition, \
104 (WHV_PARTITION_HANDLE Partition)) \
105 X(HRESULT, WHvGetVirtualProcessorXsaveState, \
106 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, \
107 PVOID Buffer, \
108 UINT32 BufferSizeInBytes, UINT32 *BytesWritten)) \
109 X(HRESULT, WHvSetVirtualProcessorXsaveState, \
110 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, \
111 PVOID Buffer, \
112 UINT32 BufferSizeInBytes)) \
113 X(HRESULT, WHvGetVirtualProcessorState, \
114 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, \
115 WHV_VIRTUAL_PROCESSOR_STATE_TYPE StateType, PVOID Buffer, \
116 UINT32 BufferSizeInBytes, UINT32 *BytesWritten)) \
117 X(HRESULT, WHvSetVirtualProcessorState, \
118 (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, \
119 WHV_VIRTUAL_PROCESSOR_STATE_TYPE StateType, PVOID Buffer, \
120 UINT32 BufferSizeInBytes)) \
121 LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL_ARCH(X)
122
123 #define WHP_DEFINE_TYPE(return_type, function_name, signature) \
124 typedef return_type (WINAPI *function_name ## _t) signature;
125
126 #define WHP_DECLARE_MEMBER(return_type, function_name, signature) \
127 function_name ## _t function_name;
128
129 /* Define function typedef */
130 LIST_WINHVPLATFORM_FUNCTIONS(WHP_DEFINE_TYPE)
131 LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DEFINE_TYPE)
132
133 struct WHPDispatch {
134 LIST_WINHVPLATFORM_FUNCTIONS(WHP_DECLARE_MEMBER)
135 LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DECLARE_MEMBER)
136 };
137
138 extern struct WHPDispatch whp_dispatch;
139
140 bool init_whp_dispatch(void);
141
142 typedef enum WHPFunctionList {
143 WINHV_PLATFORM_FNS_DEFAULT,
144 WINHV_PLATFORM_FNS_SUPPLEMENTAL
145 } WHPFunctionList;
146
147 #endif /* TARGET_I386_WHPX_INTERNAL_H */