HWEntry - Parameters

 gid (GID) - input 
    ID of the GRADD. 
 

 ulFunction (ULONG) - input 
    Set to appropriate GHI_CMD_ function. 

    This parameter is set to one of the GHI_CMD_ functions shown in the 
    table at the beginning of this section. 
 

 pIn (PVOID) - input 
    Pointer to a GHI_-specific input data structure. 
 

 pOut (PVOID) - output 
    Pointer to a GHI_-specific output data structure. 
 

 rc (ULONG) - returns 
    Return codes. 

    Valid values are dictated by the applicable GHI_CMD_ function.