xref: /openbmc/qemu/target/i386/whpx/whpx-internal.h (revision 9c4888c9)
1 #ifndef WHP_INTERNAL_H
2 #define WHP_INTERNAL_H
3 
4 #include <windows.h>
5 #include <WinHvPlatform.h>
6 #include <WinHvEmulation.h>
7 
8 typedef enum WhpxBreakpointState {
9     WHPX_BP_CLEARED = 0,
10     WHPX_BP_SET_PENDING,
11     WHPX_BP_SET,
12     WHPX_BP_CLEAR_PENDING,
13 } WhpxBreakpointState;
14 
15 struct whpx_breakpoint {
16     vaddr address;
17     WhpxBreakpointState state;
18     uint8_t original_instruction;
19 };
20 
21 struct whpx_breakpoint_collection {
22     int allocated, used;
23     struct whpx_breakpoint data[0];
24 };
25 
26 struct whpx_breakpoints {
27     int original_address_count;
28     vaddr *original_addresses;
29 
30     struct whpx_breakpoint_collection *breakpoints;
31 };
32 
33 struct whpx_state {
34     uint64_t mem_quota;
35     WHV_PARTITION_HANDLE partition;
36     uint64_t exception_exit_bitmap;
37     int32_t running_cpus;
38     struct whpx_breakpoints breakpoints;
39     bool step_pending;
40 
41     bool kernel_irqchip_allowed;
42     bool kernel_irqchip_required;
43     bool apic_in_platform;
44 };
45 
46 extern struct whpx_state whpx_global;
47 void whpx_apic_get(DeviceState *s);
48 
49 #define WHV_E_UNKNOWN_CAPABILITY 0x80370300L
50 
51 #define LIST_WINHVPLATFORM_FUNCTIONS(X) \
52   X(HRESULT, WHvGetCapability, (WHV_CAPABILITY_CODE CapabilityCode, VOID* CapabilityBuffer, UINT32 CapabilityBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \
53   X(HRESULT, WHvCreatePartition, (WHV_PARTITION_HANDLE* Partition)) \
54   X(HRESULT, WHvSetupPartition, (WHV_PARTITION_HANDLE Partition)) \
55   X(HRESULT, WHvDeletePartition, (WHV_PARTITION_HANDLE Partition)) \
56   X(HRESULT, WHvGetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes, UINT32* WrittenSizeInBytes)) \
57   X(HRESULT, WHvSetPartitionProperty, (WHV_PARTITION_HANDLE Partition, WHV_PARTITION_PROPERTY_CODE PropertyCode, const VOID* PropertyBuffer, UINT32 PropertyBufferSizeInBytes)) \
58   X(HRESULT, WHvMapGpaRange, (WHV_PARTITION_HANDLE Partition, VOID* SourceAddress, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes, WHV_MAP_GPA_RANGE_FLAGS Flags)) \
59   X(HRESULT, WHvUnmapGpaRange, (WHV_PARTITION_HANDLE Partition, WHV_GUEST_PHYSICAL_ADDRESS GuestAddress, UINT64 SizeInBytes)) \
60   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)) \
61   X(HRESULT, WHvCreateVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \
62   X(HRESULT, WHvDeleteVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex)) \
63   X(HRESULT, WHvRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, VOID* ExitContext, UINT32 ExitContextSizeInBytes)) \
64   X(HRESULT, WHvCancelRunVirtualProcessor, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, UINT32 Flags)) \
65   X(HRESULT, WHvGetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, WHV_REGISTER_VALUE* RegisterValues)) \
66   X(HRESULT, WHvSetVirtualProcessorRegisters, (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, const WHV_REGISTER_NAME* RegisterNames, UINT32 RegisterCount, const WHV_REGISTER_VALUE* RegisterValues)) \
67 
68 /*
69  * These are supplemental functions that may not be present
70  * on all versions and are not critical for basic functionality.
71  */
72 #define LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(X) \
73   X(HRESULT, WHvSuspendPartitionTime, (WHV_PARTITION_HANDLE Partition)) \
74   X(HRESULT, WHvRequestInterrupt, (WHV_PARTITION_HANDLE Partition, \
75         WHV_INTERRUPT_CONTROL* Interrupt, UINT32 InterruptControlSize)) \
76   X(HRESULT, WHvGetVirtualProcessorInterruptControllerState2, \
77         (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, PVOID State, \
78          UINT32 StateSize, UINT32* WrittenSize)) \
79   X(HRESULT, WHvSetVirtualProcessorInterruptControllerState2, \
80         (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, PVOID State, \
81          UINT32 StateSize)) \
82 
83 #define LIST_WINHVEMULATION_FUNCTIONS(X) \
84   X(HRESULT, WHvEmulatorCreateEmulator, (const WHV_EMULATOR_CALLBACKS* Callbacks, WHV_EMULATOR_HANDLE* Emulator)) \
85   X(HRESULT, WHvEmulatorDestroyEmulator, (WHV_EMULATOR_HANDLE Emulator)) \
86   X(HRESULT, WHvEmulatorTryIoEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_X64_IO_PORT_ACCESS_CONTEXT* IoInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \
87   X(HRESULT, WHvEmulatorTryMmioEmulation, (WHV_EMULATOR_HANDLE Emulator, VOID* Context, const WHV_VP_EXIT_CONTEXT* VpContext, const WHV_MEMORY_ACCESS_CONTEXT* MmioInstructionContext, WHV_EMULATOR_STATUS* EmulatorReturnStatus)) \
88 
89 #define WHP_DEFINE_TYPE(return_type, function_name, signature) \
90     typedef return_type (WINAPI *function_name ## _t) signature;
91 
92 #define WHP_DECLARE_MEMBER(return_type, function_name, signature) \
93     function_name ## _t function_name;
94 
95 /* Define function typedef */
96 LIST_WINHVPLATFORM_FUNCTIONS(WHP_DEFINE_TYPE)
97 LIST_WINHVEMULATION_FUNCTIONS(WHP_DEFINE_TYPE)
98 LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DEFINE_TYPE)
99 
100 struct WHPDispatch {
101     LIST_WINHVPLATFORM_FUNCTIONS(WHP_DECLARE_MEMBER)
102     LIST_WINHVEMULATION_FUNCTIONS(WHP_DECLARE_MEMBER)
103     LIST_WINHVPLATFORM_FUNCTIONS_SUPPLEMENTAL(WHP_DECLARE_MEMBER)
104 };
105 
106 extern struct WHPDispatch whp_dispatch;
107 
108 bool init_whp_dispatch(void);
109 
110 typedef enum WHPFunctionList {
111     WINHV_PLATFORM_FNS_DEFAULT,
112     WINHV_EMULATION_FNS_DEFAULT,
113     WINHV_PLATFORM_FNS_SUPPLEMENTAL
114 } WHPFunctionList;
115 
116 #endif /* WHP_INTERNAL_H */
117