devreq.h

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/*
 * PROJECT:     ReactOS SuperSpeed USB Hub Driver
 * LICENSE:     MIT (https://spdx.org/licenses/MIT)
 * PURPOSE:     Control transfers to a child device and the descriptor cache
 * COPYRIGHT:   Copyright 2026 Justin Miller <justin.miller@reactos.org>
 */
 
#pragma once
 
#include "hubid.h"
 
/* MS OS 1.0 and 2.0 feature descriptor indexes (wIndex of the vendor request) */
#define HUB_MSOS_INDEX_EXT_CONFIG           4
#define HUB_MSOS_INDEX_EXT_PROPERTIES       5
#define HUB_MSOS_INDEX_CONTAINER_ID         6
#define HUB_MSOS20_INDEX_SET                7
#define HUB_MSOS20_INDEX_ALT_ENUM           8
 
/* String index of the MS OS string descriptor */
#define HUB_MSOS_STRING_INDEX               0xEE
 
/* devreq.cpp */
 
BOOLEAN
NTAPI
HubDeviceSend(
    _In_ HubChild* Child,
    _In_reads_bytes_opt_(Length) PVOID Buffer,
    _In_ ULONG Length,
    _In_ BOOLEAN ShortTransferOk);
 
FORCEINLINE
ULONG
NTAPI
HubDeviceBytesReturned(
    _In_ HubChild* Child)
{
    return Child->m_Control.Urb.TransferBufferLength;
}
 
/* devdesc.cpp */
 
VOID
NTAPI
HubDeviceDescContext(
    _In_ HubChild* Child,
    _Out_ HubDescContext* Context);
 
/* hubioctl.cpp */
 
VOID
NTAPI
HubCompleteFdoDescriptorRequest(
    _In_ HubChild* Child,
    _In_ WDFREQUEST Request,
    _In_ NTSTATUS Status,
    _In_ ULONG Size);