// usbfnioctl.h
// CTL_CODE(0x002a, 0x005, METHOD_OUT_DIRECT, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_INTERNAL_USBFN_TRANSFER_OUT 0x002AC016
View the official Windows Driver Kit DDI referenceNo description available.
The class driver sends this request to initiate a data transfer from the host on the specified pipe.
IRP_MJ_INTERNAL_DEVICE_CONTROL
A pointer to a USBFNPIPEID type that specifies the pipe ID.
The size of a USBFNPIPEID type.
A data buffer to receive data from the host.
The length of the buffer.
Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.
Otherwise, Status to the appropriate error condition as a NTSTATUS code.
For more information, see NTSTATUS Values.
This request must be sent after sending the IOCTL_INTERNAL_USBFN_ACTIVATE_USB_BUS request.