    asmdrv.sys   - DeviceIoControl():

IOCTL_USER_REQUEST_1:
 :     .
 DeviceIoControl: 
  lpInBuffer    --    ,   0.
  nInBufferSize --    1.

IOCTL_USER_REQUEST_2:
:     .
 DeviceIoControl: 
  lpInBuffer    --    ,   0.
  nInBufferSize --    1.
  lpOutBuffer   --    ,        .
  nOutBufferSize --    nInBufferSize.

//