IOCTL_SBAUD_GET_CONNECTION_STATUS_UPDATE - NtDoc

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

// CTL_CODE(0x0022, 0x004, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_SBAUD_GET_CONNECTION_STATUS_UPDATE 0x00220013
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Windows Driver Kit DDI reference (ni-sidebandaudio-ioctl_sbaud_get_connection_status_update)

IOCTL_SBAUD_GET_CONNECTION_STATUS_UPDATE IOCTL

Description

The IOCTL_SBAUD_GET_CONNECTION_STATUS_UPDATE IOCTL control code gets a connection status update. It is used by an audio driver when cooperating with the Audio class drivers to operate a Sideband connection.

Parameters

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

A SIDEBANDAUDIO_CONNECTION_PARAMS structure.

Input buffer length

The size of the SIDEBANDAUDIO_CONNECTION_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. For more information, see NTSTATUS Values.

Remarks

This IOCTL can only be called from kernel mode.

Requirements
Header sidebandaudio.h

See also

sidebandaudio.h

Introduction to I/O Control Codes

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