IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_DISPLAY_OUT_STATUS_CHANGED - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ucmtcpciportcontrollerrequests.h

// CTL_CODE(0x0058, 0x019, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_DISPLAY_OUT_STATUS_CHANGED 0x00588064
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ni-ucmtcpciportcontrollerrequests-ioctl_ucmtcpci_port_controller_displayport_display_out_status_changed)

IOCTL_UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_DISPLAY_OUT_STATUS_CHANGED IOCTL

Description

Notifies the client driver that the display out status of the DisplayPort connection has changed so that the driver can perform additional tasks.

Parameters

Major code

Input buffer

A pointer to a UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_DISPLAY_OUT_STATUS_CHANGED_IN_PARAMS structure that contains status information.

Input buffer length

The size of the UCMTCPCI_PORT_CONTROLLER_DISPLAYPORT_DISPLAY_OUT_STATUS_CHANGED_IN_PARAMS structure.

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 display out status changes. The client driver can determine the new status based on the values passed in the supplied structure.

View the official Windows Driver Kit DDI reference

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