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Hypercall Reference

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The following table lists supported hypercalls by call code.

Call Code Type Hypercall
0x0001 Simple HvCallSwitchVirtualAddressSpace
0x0002 Simple HvCallFlushVirtualAddressSpace
0x0003 Rep HvCallFlushVirtualAddressList
0x0008 Simple HvCallNotifyLongSpinWait
0x000b Simple HvCallSendSyntheticClusterIpi
0x000c Rep HvCallModifyVtlProtectionMask
0x000d Simple HvCallEnablePartitionVtl
0x000f Simple HvCallEnableVpVtl
0x0011 Simple HvCallVtlCall
0x0012 Simple HvCallVtlReturn
0x0013 Simple HvCallFlushVirtualAddressSpaceEx
0x0014 Rep HvCallFlushVirtualAddressListEx
0x0015 Simple HvCallSendSyntheticClusterIpiEx
0x0050 Rep HvCallGetVpRegisters
0x0051 Rep HvCallSetVpRegisters
0x005C Simple HvCallPostMessage
0x005D Simple HvCallSignalEvent
0x007e Simple HvCallRetargetDeviceInterrupt
0x0099 Simple HvCallStartVirtualProcessor
0x009A Rep HvCallGetVpIndexFromApicId
0x00AF Simple HvCallFlushGuestPhysicalAddressSpace
0x00B0 Rep HvCallFlushGuestPhysicalAddressList

The following table lists supported extended hypercalls by call code.

Call Code Type Hypercall
0x8001 Simple HvExtCallQueryCapabilities
0x8002 Simple HvExtCallGetBootZeroedMemory
0x8003 Simple HvExtCallMemoryHeatHint
0x8004 Simple HvExtCallEpfSetup
0x8006 Simple HvExtCallMemoryHeatHintAsync