This routine receives requests from the kernel at task time. It builds a generic IOCtl request packet and sends it to the SCSI driver through the IDC entry point.

The generic IOCtl request contains the following parameters:

• FUNCTION CATEGORY
  80h

• FUNCTION CODE
  Represents function to be performed by the SCSI driver.

• PARAMETER BUFFER ADDRESS
  Contains a pointer to the parameters required for the function to be performed.

• DATA BUFFER ADDRESS
  Contains a pointer to the data buffer where returned data is stored.