FsRtlIssueDeviceIoControl - NtDoc

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

NTSTATUS FsRtlIssueDeviceIoControl(
  [in]            PDEVICE_OBJECT DeviceObject,
  [in]            ULONG          IoCtl,
                  UCHAR          Flags,
  [in, optional]  PVOID          InputBuffer,
  [in]            ULONG          InputBufferLength,
  [out, optional] PVOID          OutputBuffer,
  [in]            ULONG          OutputBufferLength,
  [in]            PULONG_PTR     IosbInformation
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntifs-fsrtlissuedeviceiocontrol)

FsRtlIssueDeviceIoControl function

Description

The FsRtlIssueDeviceIoControl routine sends a synchronous device I/O control request to a target device object.

Parameters

DeviceObject [in]

The target device object.

IoCtl [in]

The IOCTL control code to issue.

Flags

The desired IRP flags to set for IOCTL request.

InputBuffer [in, optional]

An optional buffer containing the input data for the request.

InputBufferLength [in]

The length, in bytes, of the input data in InputBuffer.

OutputBuffer [out, optional]

An optional caller-supplied output buffer for returned data.

OutputBufferLength [in]

The length, in bytes, of the output data buffer at OutputBuffer.

IosbInformation [in]

A pointer to a ULONG status value to receive the information field value set in the I/O status block at completion of the request.

Return value

FsRtlIssueDeviceIoControl returns STATUS_SUCCESS or another NTSTATUS value returned in the status block from the I/O operation.

See also

FltDeviceIoControlFile

View the official Windows Driver Kit DDI reference

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