IOCTL_SCSI_MINIPORT_DIAGNOSTIC IOCTL (ntddscsi.h)

The IOCTL_SCSI_MINIPORT_DIAGNOSTIC control code is use to perform a diagnostic request to the Miniport.

Major code

IRP_MJ_DEVICE_CONTROL

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

To perform this operation, call the DeviceIoControl function with the following parameters.

BOOL 
   WINAPI 
   DeviceIoControl( (HANDLE)       hDevice,         // handle to device
                    (DWORD)        IOCTL_SCSI_MINIPORT_DIAGNOSTIC, // dwIoControlCode
                    (LPDWORD)      lpInBuffer,      // input buffer
                    (DWORD)        nInBufferSize,   // size of input buffer
                    (LPDWORD)      lpOutBuffer,     // output buffer
                    (DWORD)        nOutBufferSize,  // size of output buffer
                    (LPDWORD)      lpBytesReturned, // number of bytes returned
                    (LPOVERLAPPED) lpOverlapped );  // OVERLAPPED structure

Parameters

Requirements

Requirement	Value
Header	ntddscsi.h

See also

DeviceIoControl

STORAGE_DIAGNOSTIC_MP_REQUEST