kcom.c

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/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS Kernel Streaming
 * FILE:            drivers/ksfilter/ks/allocators.c
 * PURPOSE:         KS Allocator functions
 * PROGRAMMER:      Johannes Anderwald
                    Andrew Greenwood
 */
 
#include "precomp.h"
 
#define NDEBUG
#include <debug.h>
 
const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x46}};
 
/* http://msdn2.microsoft.com/en-us/library/ms809781.aspx (DEAD_LINK) */
COMDDKAPI NTSTATUS NTAPI
KoCreateInstance(
    IN  REFCLSID ClassId,
    IN  IUnknown* UnkOuter OPTIONAL,
    IN  ULONG ClsContext,
    IN  REFIID InterfaceId,
    OUT PVOID* Interface)
{
    /* If UnkOuter isn't NULL, it must be IUnknown - TODO: CHECK THIS PARAM */
    /* TODO: Check IRQL? */
 
    DPRINT("KoCreateInstance called\n");
 
    if ( ClsContext != CLSCTX_KERNEL_SERVER )
    {
        DPRINT("KoCreateInstance: ClsContext must be CLSCTX_KERNEL_SERVER\n");
        return STATUS_INVALID_PARAMETER_3;
    }
 
    if (IsEqualGUIDAligned(InterfaceId, &IID_IUnknown))
    {
        DPRINT("KoCreateInstance: InterfaceId cannot be IID_IUnknown\n");
        return STATUS_INVALID_PARAMETER_4;
    }
 
 
    /*
        Find the desired interface and create an instance.
 
        But we also need to supply a
        pointer which will be set to a list of available interfaces, to
        IoGetDeviceInterfaces.
 
        We can then create a file based on this information and thus talk
        to the appropriate device.
 
        Useful references:
            https://www.freelists.org/post/wdmaudiodev/Need-audio-driver-deivce-interface-registration-help
 
        TODO
    */
 
    DPRINT("** FAKING SUCCESS **\n");
 
    return STATUS_SUCCESS;
}