// ucmtcpciportcontrollerrequests.h

// CTL_CODE(0x0058, 0x017, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_CONFIGURED 0x0058805C
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Windows Driver Kit DDI reference (ni-ucmtcpciportcontrollerrequests-ioctl_ucmtcpci_port_controller_displayport_configured)

IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_CONFIGURED IOCTL

Description

Notifies the client driver that the DisplayPort alternate mode on the partner device has been configured with pin assignment so that the driver can perform additional tasks.

Parameters

Major code

Input buffer

A pointer to a UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_CONFIGURED_IN_PARAMS structure that contains information about the pin assignment.

Input buffer length

The size of UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_CONFIGURED_IN_PARAMS.

Output buffer

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code.

Remarks

The UcmTcpciCx class extension sends this IOCTL request when the DisplayPort mode is configured. The client driver can determine the pin assignment based on the values passed in the supplied structure.

IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_CONFIGURED - NtDoc