IOCTL_INTERNAL_DISCONNECT_IDLE - NtDoc

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

// CTL_CODE(0x0016, 0x020, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_DISCONNECT_IDLE 0x00160080
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Windows Driver Kit DDI reference (ni-parallel-ioctl_internal_disconnect_idle)

IOCTL_INTERNAL_DISCONNECT_IDLE IOCTL

Major Code:

IRP_MJ_DEVICE_CONTROL

Description

The IOCTL_INTERNAL_DISCONNECT_IDLE request disconnects the IEEE 1284 operating modes that are set for a parallel device. The system-supplied bus driver for parallel ports sets the default operating mode to IEEE 1284-compatible.

For more information, see Setting and Clearing a Communication Mode for a Parallel Device.

Parameters

Major code

IRP_MJ_INTERNAL_DEVICE_CONTROL

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Information member is set to zero.

The Status member is set to one of the generic status values returned by internal device control requests for parallel devices.

See also

IOCTL_PAR_GET_DEVICE_CAPS

IOCTL_PAR_GET_DEFAULT_MODES

IOCTL_IEEE1284_GET_MODE

IOCTL_IEEE1284_NEGOTIATE

View the official Windows Driver Kit DDI reference

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