HvCallConnectPort

HvCallConnectPort establishes a connection between a partition and a port for inter-partition communication. This hypercall creates a communication channel that can be used for messaging, events, monitoring, or doorbell operations between partitions.

Interface

HV_STATUS
HvCallConnectPort(
   _In_ HV_PARTITION_ID             ConnectionPartition,
   _In_ HV_CONNECTION_ID            ConnectionId,
   _In_ HV_VTL                      ConnectionVtl,
   _In_ UINT8                       ReservedZ0,
   _In_ UINT16                      ReservedZ1,
   _In_ HV_PARTITION_ID             PortPartition,
   _In_ HV_PORT_ID                  PortId,
   _In_ UINT32                      ReservedZ2,
   _In_ HV_CONNECTION_INFO          ConnectionInfo,
   _In_ HV_PROXIMITY_DOMAIN_INFO    ProximityDomainInfo
   );

Call Code

0x0096 (Simple)

Input Parameters

Name	Offset	Size	Information Provided
ConnectionPartition	0	8	Specifies the ID of the partition that will own the connection.
ConnectionId	8	4	Specifies the connection identifier for this communication channel.
ConnectionVtl	12	1	Specifies the VTL for the connection.
ReservedZ0	13	1
ReservedZ1	14	2
PortPartition	16	8	Specifies the ID of the partition that owns the port.
PortId	24	4	Specifies the port identifier to connect to.
ReservedZ2	28	4
ConnectionInfo	32	32	Specifies connection type-specific information including port type and connection parameters.
ProximityDomainInfo	64	8	Specifies NUMA proximity domain preferences for memory allocation.

See also

HV_CONNECTION_ID HV_PORT_ID HV_CONNECTION_INFO HV_PROXIMITY_DOMAIN_INFO HvCallDisconnectPort HvCallCreatePort