IOCTL_UCMTCPCI_PORT_CONTROLLER_SET_TRANSMIT_BUFFER IOCTL

Description

Sets the TRANSMIT_BUFER Register defined as per the Universal Serial Bus Type-C Port Controller Interface Specification.

Parameters

Major code

Input buffer

A pointer to a UCMTCPCI_PORT_CONTROLLER_SET_TRANSMIT_BUFFER_IN_PARAMS structure that contains the value to set in the TRANSMIT_BUFFER Register. To get the structure, call WdfRequestRetrieveInputBuffer by passing the received framework request object. This structure is declared in UcmTcpciSpec.h.

Input buffer length

The size of the UCMTCPCI_PORT_CONTROLLER_SET_TRANSMIT_BUFFER_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 to set the TRANSMIT_BUFFER Register. The value to set is provided in the supplied structure. After setting the value in the register, client driver must call WdfRequestComplete to complete the request.

See also

Creating IOCTL Requests in Drivers

WdfIoTargetSendInternalIoctlOthersSynchronously

WdfIoTargetSendInternalIoctlSynchronously

WdfIoTargetSendIoctlSynchronously