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HvCallCreateVp

HvCallCreateVp creates a new virtual processor within a partition. Virtual processors are the execution contexts that run guest code within a partition, and each partition must have at least one virtual processor to execute code.

Interface

HV_STATUS
HvCallCreateVp(
   _In_ HV_PARTITION_ID             PartitionId,
   _In_ HV_VP_INDEX                 VpIndex,
   _In_ UINT8                       ReservedZ0[3],
   _In_ UINT8                       SubnodeType,
   _In_ UINT64                      SubnodeId,
   _In_ HV_PROXIMITY_DOMAIN_INFO    ProximityDomainInfo,
   _In_ UINT64                      Flags
   );

Call Code

0x004e (Simple)

Input Parameters

Name Offset Size Information Provided
PartitionId 0 8 Target partition identifier.
VpIndex 8 4 New VP index (0-based, unique within partition).
ReservedZ0 12 3 Must be zero.
SubnodeType 15 1 Subnode type (0 if not used).
SubnodeId 16 8 Subnode identifier (0 if not used).
ProximityDomainInfo 24 8 NUMA / locality hint.
Flags 32 8 Reserved – must be zero.

See Also

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