IOCTL_INTERNAL_USBFN_SET_POWER_FILTER_EXIT_LPM - NtDoc

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

// CTL_CODE(0x002a, 0x00f, METHOD_OUT_DIRECT, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_INTERNAL_USBFN_SET_POWER_FILTER_EXIT_LPM 0x002AC03E
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ni-usbfnioctl-ioctl_internal_usbfn_set_power_filter_exit_lpm)

IOCTL_INTERNAL_USBFN_SET_POWER_FILTER_EXIT_LPM IOCTL

Description

Do not use.

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

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 request must be sent after sending the IOCTL_INTERNAL_USBFN_ACTIVATE_USB_BUS request.

Upon receiving this request, the filter driver communicates with the hardware and brings the controller out of LPM.

See also

Link Power management in USB 3.0 Hardware

View the official Windows Driver Kit DDI reference

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