KsSynchronousIoControlDevice - NtDoc

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

KSDDKAPI NTSTATUS KsSynchronousIoControlDevice(
  [in]  PFILE_OBJECT    FileObject,
        KPROCESSOR_MODE RequestorMode,
  [in]  ULONG           IoControl,
  [in]  PVOID           InBuffer,
  [in]  ULONG           InSize,
  [out] PVOID           OutBuffer,
  [in]  ULONG           OutSize,
  [out] PULONG          BytesReturned
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ks-kssynchronousiocontroldevice)

KsSynchronousIoControlDevice function

Description

The KsSynchronousIoControlDevice function performs a synchronous device I/O control on the target device object. It waits in a nonalertable state until the I/O completes. This function can only be called at PASSIVE_LEVEL.

Parameters

FileObject [in]

Indicates the file object to fill in the first stack location with.

RequestorMode

Indicates the processor mode to place in the IRP if one needs to be generated.

IoControl [in]

Specifies the I/O control to send.

InBuffer [in]

Points to the device input buffer.

InSize [in]

Specifies the size in bytes of the device input buffer.

OutBuffer [out]

Points to the device output buffer.

OutSize [in]

Specifies the size in bytes of the device output buffer.

BytesReturned [out]

Points to the place in which to put the number of bytes returned.

Return value

KsSynchronousIoControlDevice returns the result of the device I/O control.

View the official Windows Driver Kit DDI reference

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