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reactos/sdk/include/psdk/usb.h

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/*
* usb.h
*
* This file is part of the ReactOS PSDK package.
*
* Contributors:
* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#pragma once
/* Helper macro to enable gcc's extension. */
#ifndef __GNU_EXTENSION
#ifdef __GNUC__
#define __GNU_EXTENSION __extension__
#else
#define __GNU_EXTENSION
#endif
#endif
#ifdef OSR21_COMPAT
#pragma message("WARNING: OSR21_COMPAT SWITCH NOT SUPPORTED")
#endif
#ifndef _NTDDK_
#ifndef _WDMDDK_
typedef PVOID PIRP;
typedef PVOID PMDL;
#endif
#endif
#define USBDI_VERSION 0x00000500
#include "usb200.h"
#define USB_PORTATTR_NO_CONNECTOR 0x00000001
#define USB_PORTATTR_SHARED_USB2 0x00000002
#define USB_PORTATTR_MINI_CONNECTOR 0x00000004
#define USB_PORTATTR_OEM_CONNECTOR 0x00000008
#define USB_PORTATTR_OWNED_BY_CC 0x01000000
#define USB_PORTATTR_NO_OVERCURRENT_UI 0x02000000
typedef enum _USB_CONTROLLER_FLAVOR {
USB_HcGeneric = 0,
OHCI_Generic = 100,
OHCI_Hydra,
OHCI_NEC,
UHCI_Generic = 200,
UHCI_Piix4 = 201,
UHCI_Piix3 = 202,
UHCI_Ich2 = 203,
UHCI_Reserved204 = 204,
UHCI_Ich1 = 205,
UHCI_Ich3m = 206,
UHCI_Ich4 = 207,
UHCI_Ich5 = 208,
UHCI_Ich6 = 209,
UHCI_Intel = 249,
UHCI_VIA = 250,
UHCI_VIA_x01 = 251,
UHCI_VIA_x02 = 252,
UHCI_VIA_x03 = 253,
UHCI_VIA_x04 = 254,
UHCI_VIA_x0E_FIFO = 264,
EHCI_Generic = 1000,
EHCI_NEC = 2000,
EHCI_Lucent = 3000
} USB_CONTROLLER_FLAVOR;
#define USB_DEFAULT_DEVICE_ADDRESS 0
#define USB_DEFAULT_ENDPOINT_ADDRESS 0
#define USB_DEFAULT_MAX_PACKET 64
#define URB_FROM_IRP(Irp) ((IoGetCurrentIrpStackLocation(Irp))->Parameters.Others.Argument1)
#define URB_FUNCTION_SELECT_CONFIGURATION 0x0000
#define URB_FUNCTION_SELECT_INTERFACE 0x0001
#define URB_FUNCTION_ABORT_PIPE 0x0002
#define URB_FUNCTION_TAKE_FRAME_LENGTH_CONTROL 0x0003
#define URB_FUNCTION_RELEASE_FRAME_LENGTH_CONTROL 0x0004
#define URB_FUNCTION_GET_FRAME_LENGTH 0x0005
#define URB_FUNCTION_SET_FRAME_LENGTH 0x0006
#define URB_FUNCTION_GET_CURRENT_FRAME_NUMBER 0x0007
#define URB_FUNCTION_CONTROL_TRANSFER 0x0008
#define URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER 0x0009
#define URB_FUNCTION_ISOCH_TRANSFER 0x000A
#define URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE 0x000B
#define URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE 0x000C
#define URB_FUNCTION_SET_FEATURE_TO_DEVICE 0x000D
#define URB_FUNCTION_SET_FEATURE_TO_INTERFACE 0x000E
#define URB_FUNCTION_SET_FEATURE_TO_ENDPOINT 0x000F
#define URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE 0x0010
#define URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE 0x0011
#define URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT 0x0012
#define URB_FUNCTION_GET_STATUS_FROM_DEVICE 0x0013
#define URB_FUNCTION_GET_STATUS_FROM_INTERFACE 0x0014
#define URB_FUNCTION_GET_STATUS_FROM_ENDPOINT 0x0015
#define URB_FUNCTION_RESERVED_0X0016 0x0016
#define URB_FUNCTION_VENDOR_DEVICE 0x0017
#define URB_FUNCTION_VENDOR_INTERFACE 0x0018
#define URB_FUNCTION_VENDOR_ENDPOINT 0x0019
#define URB_FUNCTION_CLASS_DEVICE 0x001A
#define URB_FUNCTION_CLASS_INTERFACE 0x001B
#define URB_FUNCTION_CLASS_ENDPOINT 0x001C
#define URB_FUNCTION_RESERVE_0X001D 0x001D
#define URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL 0x001E
#define URB_FUNCTION_CLASS_OTHER 0x001F
#define URB_FUNCTION_VENDOR_OTHER 0x0020
#define URB_FUNCTION_GET_STATUS_FROM_OTHER 0x0021
#define URB_FUNCTION_CLEAR_FEATURE_TO_OTHER 0x0022
#define URB_FUNCTION_SET_FEATURE_TO_OTHER 0x0023
#define URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT 0x0024
#define URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT 0x0025
#define URB_FUNCTION_GET_CONFIGURATION 0x0026
#define URB_FUNCTION_GET_INTERFACE 0x0027
#define URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE 0x0028
#define URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE 0x0029
#if (_WIN32_WINNT >= 0x0501)
#define URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR 0x002A
#define URB_FUNCTION_SYNC_RESET_PIPE 0x0030
#define URB_FUNCTION_SYNC_CLEAR_STALL 0x0031
#endif
#if (_WIN32_WINNT >= 0x0600)
#define URB_FUNCTION_CONTROL_TRANSFER_EX 0x0032
#define URB_FUNCTION_RESERVE_0X0033 0x0033
#define URB_FUNCTION_RESERVE_0X0034 0x0034
#endif
#define URB_FUNCTION_RESERVE_0X002B 0x002B
#define URB_FUNCTION_RESERVE_0X002C 0x002C
#define URB_FUNCTION_RESERVE_0X002D 0x002D
#define URB_FUNCTION_RESERVE_0X002E 0x002E
#define URB_FUNCTION_RESERVE_0X002F 0x002F
#define URB_FUNCTION_RESET_PIPE URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL
#define USBD_TRANSFER_DIRECTION 0x00000001
#define USBD_SHORT_TRANSFER_OK 0x00000002
#define USBD_START_ISO_TRANSFER_ASAP 0x00000004
#define USBD_DEFAULT_PIPE_TRANSFER 0x00000008
#define USBD_TRANSFER_DIRECTION_FLAG(flags) ((flags) & USBD_TRANSFER_DIRECTION)
#define USBD_TRANSFER_DIRECTION_OUT 0
#define USBD_TRANSFER_DIRECTION_IN 1
#define VALID_TRANSFER_FLAGS_MASK (USBD_SHORT_TRANSFER_OK | USBD_TRANSFER_DIRECTION | \
USBD_START_ISO_TRANSFER_ASAP | USBD_DEFAULT_PIPE_TRANSFER)
#define USBD_ISO_START_FRAME_RANGE 1024
typedef LONG USBD_STATUS;
#define USBD_SUCCESS(Status) ((USBD_STATUS)(Status) >= 0)
#define USBD_PENDING(Status) ((ULONG)(Status) >> 30 == 1)
#define USBD_ERROR(Status) ((USBD_STATUS)(Status) < 0)
#define USBD_STATUS_SUCCESS ((USBD_STATUS)0x00000000L)
#define USBD_STATUS_PENDING ((USBD_STATUS)0x40000000L)
#define USBD_STATUS_CRC ((USBD_STATUS)0xC0000001L)
#define USBD_STATUS_BTSTUFF ((USBD_STATUS)0xC0000002L)
#define USBD_STATUS_DATA_TOGGLE_MISMATCH ((USBD_STATUS)0xC0000003L)
#define USBD_STATUS_STALL_PID ((USBD_STATUS)0xC0000004L)
#define USBD_STATUS_DEV_NOT_RESPONDING ((USBD_STATUS)0xC0000005L)
#define USBD_STATUS_PID_CHECK_FAILURE ((USBD_STATUS)0xC0000006L)
#define USBD_STATUS_UNEXPECTED_PID ((USBD_STATUS)0xC0000007L)
#define USBD_STATUS_DATA_OVERRUN ((USBD_STATUS)0xC0000008L)
#define USBD_STATUS_DATA_UNDERRUN ((USBD_STATUS)0xC0000009L)
#define USBD_STATUS_RESERVED1 ((USBD_STATUS)0xC000000AL)
#define USBD_STATUS_RESERVED2 ((USBD_STATUS)0xC000000BL)
#define USBD_STATUS_BUFFER_OVERRUN ((USBD_STATUS)0xC000000CL)
#define USBD_STATUS_BUFFER_UNDERRUN ((USBD_STATUS)0xC000000DL)
#define USBD_STATUS_NOT_ACCESSED ((USBD_STATUS)0xC000000FL)
#define USBD_STATUS_FIFO ((USBD_STATUS)0xC0000010L)
#define USBD_STATUS_XACT_ERROR ((USBD_STATUS)0xC0000011L)
#define USBD_STATUS_BABBLE_DETECTED ((USBD_STATUS)0xC0000012L)
#define USBD_STATUS_DATA_BUFFER_ERROR ((USBD_STATUS)0xC0000013L)
#define USBD_STATUS_ENDPOINT_HALTED ((USBD_STATUS)0xC0000030L)
#define USBD_STATUS_INVALID_URB_FUNCTION ((USBD_STATUS)0x80000200L)
#define USBD_STATUS_INVALID_PARAMETER ((USBD_STATUS)0x80000300L)
#define USBD_STATUS_ERROR_BUSY ((USBD_STATUS)0x80000400L)
#define USBD_STATUS_INVALID_PIPE_HANDLE ((USBD_STATUS)0x80000600L)
#define USBD_STATUS_NO_BANDWIDTH ((USBD_STATUS)0x80000700L)
#define USBD_STATUS_INTERNAL_HC_ERROR ((USBD_STATUS)0x80000800L)
#define USBD_STATUS_ERROR_SHORT_TRANSFER ((USBD_STATUS)0x80000900L)
#define USBD_STATUS_BAD_START_FRAME ((USBD_STATUS)0xC0000A00L)
#define USBD_STATUS_ISOCH_REQUEST_FAILED ((USBD_STATUS)0xC0000B00L)
#define USBD_STATUS_FRAME_CONTROL_OWNED ((USBD_STATUS)0xC0000C00L)
#define USBD_STATUS_FRAME_CONTROL_NOT_OWNED ((USBD_STATUS)0xC0000D00L)
#define USBD_STATUS_NOT_SUPPORTED ((USBD_STATUS)0xC0000E00L)
#define USBD_STATUS_INVALID_CONFIGURATION_DESCRIPTOR ((USBD_STATUS)0xC0000F00L)
#define USBD_STATUS_INSUFFICIENT_RESOURCES ((USBD_STATUS)0xC0001000L)
#define USBD_STATUS_SET_CONFIG_FAILED ((USBD_STATUS)0xC0002000L)
#define USBD_STATUS_BUFFER_TOO_SMALL ((USBD_STATUS)0xC0003000L)
#define USBD_STATUS_INTERFACE_NOT_FOUND ((USBD_STATUS)0xC0004000L)
#define USBD_STATUS_INVALID_PIPE_FLAGS ((USBD_STATUS)0xC0005000L)
#define USBD_STATUS_TIMEOUT ((USBD_STATUS)0xC0006000L)
#define USBD_STATUS_DEVICE_GONE ((USBD_STATUS)0xC0007000L)
#define USBD_STATUS_STATUS_NOT_MAPPED ((USBD_STATUS)0xC0008000L)
#define USBD_STATUS_HUB_INTERNAL_ERROR ((USBD_STATUS)0xC0009000L)
#define USBD_STATUS_CANCELED ((USBD_STATUS)0xC0010000L)
#define USBD_STATUS_ISO_NOT_ACCESSED_BY_HW ((USBD_STATUS)0xC0020000L)
#define USBD_STATUS_ISO_TD_ERROR ((USBD_STATUS)0xC0030000L)
#define USBD_STATUS_ISO_NA_LATE_USBPORT ((USBD_STATUS)0xC0040000L)
#define USBD_STATUS_ISO_NOT_ACCESSED_LATE ((USBD_STATUS)0xC0050000L)
#define USBD_STATUS_BAD_DESCRIPTOR ((USBD_STATUS)0xC0100000L)
#define USBD_STATUS_BAD_DESCRIPTOR_BLEN ((USBD_STATUS)0xC0100001L)
#define USBD_STATUS_BAD_DESCRIPTOR_TYPE ((USBD_STATUS)0xC0100002L)
#define USBD_STATUS_BAD_INTERFACE_DESCRIPTOR ((USBD_STATUS)0xC0100003L)
#define USBD_STATUS_BAD_ENDPOINT_DESCRIPTOR ((USBD_STATUS)0xC0100004L)
#define USBD_STATUS_BAD_INTERFACE_ASSOC_DESCRIPTOR ((USBD_STATUS)0xC0100005L)
#define USBD_STATUS_BAD_CONFIG_DESC_LENGTH ((USBD_STATUS)0xC0100006L)
#define USBD_STATUS_BAD_NUMBER_OF_INTERFACES ((USBD_STATUS)0xC0100007L)
#define USBD_STATUS_BAD_NUMBER_OF_ENDPOINTS ((USBD_STATUS)0xC0100008L)
#define USBD_STATUS_BAD_ENDPOINT_ADDRESS ((USBD_STATUS)0xC0100009L)
typedef PVOID USBD_PIPE_HANDLE;
typedef PVOID USBD_CONFIGURATION_HANDLE;
typedef PVOID USBD_INTERFACE_HANDLE;
#if (_WIN32_WINNT >= 0x0501)
#define USBD_DEFAULT_MAXIMUM_TRANSFER_SIZE 0xFFFFFFFF
#else
#define USBD_DEFAULT_MAXIMUM_TRANSFER_SIZE PAGE_SIZE
#endif
typedef struct _USBD_VERSION_INFORMATION {
ULONG USBDI_Version;
ULONG Supported_USB_Version;
} USBD_VERSION_INFORMATION, *PUSBD_VERSION_INFORMATION;
typedef enum _USBD_PIPE_TYPE {
UsbdPipeTypeControl,
UsbdPipeTypeIsochronous,
UsbdPipeTypeBulk,
UsbdPipeTypeInterrupt
} USBD_PIPE_TYPE;
#define USBD_PIPE_DIRECTION_IN(pipeInformation) ((pipeInformation)->EndpointAddress & USB_ENDPOINT_DIRECTION_MASK)
typedef struct _USBD_DEVICE_INFORMATION {
ULONG OffsetNext;
PVOID UsbdDeviceHandle;
USB_DEVICE_DESCRIPTOR DeviceDescriptor;
} USBD_DEVICE_INFORMATION, *PUSBD_DEVICE_INFORMATION;
typedef struct _USBD_PIPE_INFORMATION {
USHORT MaximumPacketSize;
UCHAR EndpointAddress;
UCHAR Interval;
USBD_PIPE_TYPE PipeType;
USBD_PIPE_HANDLE PipeHandle;
ULONG MaximumTransferSize;
ULONG PipeFlags;
} USBD_PIPE_INFORMATION, *PUSBD_PIPE_INFORMATION;
#define USBD_PF_CHANGE_MAX_PACKET 0x00000001
#define USBD_PF_SHORT_PACKET_OPT 0x00000002
#define USBD_PF_ENABLE_RT_THREAD_ACCESS 0x00000004
#define USBD_PF_MAP_ADD_TRANSFERS 0x00000008
#define USBD_PF_VALID_MASK (USBD_PF_CHANGE_MAX_PACKET | USBD_PF_SHORT_PACKET_OPT | \
USBD_PF_ENABLE_RT_THREAD_ACCESS | USBD_PF_MAP_ADD_TRANSFERS)
typedef struct _USBD_INTERFACE_INFORMATION {
USHORT Length;
UCHAR InterfaceNumber;
UCHAR AlternateSetting;
UCHAR Class;
UCHAR SubClass;
UCHAR Protocol;
UCHAR Reserved;
USBD_INTERFACE_HANDLE InterfaceHandle;
ULONG NumberOfPipes;
USBD_PIPE_INFORMATION Pipes[1];
} USBD_INTERFACE_INFORMATION, *PUSBD_INTERFACE_INFORMATION;
struct _URB_HCD_AREA {
PVOID Reserved8[8];
};
struct _URB_HEADER {
USHORT Length;
USHORT Function;
USBD_STATUS Status;
PVOID UsbdDeviceHandle;
ULONG UsbdFlags;
};
struct _URB_SELECT_INTERFACE {
struct _URB_HEADER Hdr;
USBD_CONFIGURATION_HANDLE ConfigurationHandle;
USBD_INTERFACE_INFORMATION Interface;
};
struct _URB_SELECT_CONFIGURATION {
struct _URB_HEADER Hdr;
PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor;
USBD_CONFIGURATION_HANDLE ConfigurationHandle;
USBD_INTERFACE_INFORMATION Interface;
};
struct _URB_PIPE_REQUEST {
struct _URB_HEADER Hdr;
USBD_PIPE_HANDLE PipeHandle;
ULONG Reserved;
};
struct _URB_FRAME_LENGTH_CONTROL {
struct _URB_HEADER Hdr;
};
struct _URB_GET_FRAME_LENGTH {
struct _URB_HEADER Hdr;
ULONG FrameLength;
ULONG FrameNumber;
};
struct _URB_SET_FRAME_LENGTH {
struct _URB_HEADER Hdr;
LONG FrameLengthDelta;
};
struct _URB_GET_CURRENT_FRAME_NUMBER {
struct _URB_HEADER Hdr;
ULONG FrameNumber;
};
struct _URB_CONTROL_DESCRIPTOR_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved0;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
USHORT Reserved1;
UCHAR Index;
UCHAR DescriptorType;
USHORT LanguageId;
USHORT Reserved2;
};
struct _URB_CONTROL_GET_STATUS_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved0;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR Reserved1[4];
USHORT Index;
USHORT Reserved2;
};
struct _URB_CONTROL_FEATURE_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved2;
ULONG Reserved3;
PVOID Reserved4;
PMDL Reserved5;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
USHORT Reserved0;
USHORT FeatureSelector;
USHORT Index;
USHORT Reserved1;
};
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG TransferFlags;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR RequestTypeReservedBits;
UCHAR Request;
USHORT Value;
USHORT Index;
USHORT Reserved1;
};
struct _URB_CONTROL_GET_INTERFACE_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved0;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR Reserved1[4];
USHORT Interface;
USHORT Reserved2;
};
struct _URB_CONTROL_GET_CONFIGURATION_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved0;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR Reserved1[8];
};
#if (_WIN32_WINNT >= 0x0501)
#define OS_STRING_DESCRIPTOR_INDEX 0xEE
#define MS_GENRE_DESCRIPTOR_INDEX 0x0001
#define MS_POWER_DESCRIPTOR_INDEX 0x0002
#define MS_OS_STRING_SIGNATURE L"MSFT100"
#define MS_OS_FLAGS_CONTAINERID 0x02
typedef struct _OS_STRING {
UCHAR bLength;
UCHAR bDescriptorType;
WCHAR MicrosoftString[7];
UCHAR bVendorCode;
union {
UCHAR bPad;
UCHAR bFlags;
};
} OS_STRING, *POS_STRING;
struct _URB_OS_FEATURE_DESCRIPTOR_REQUEST {
struct _URB_HEADER Hdr;
PVOID Reserved;
ULONG Reserved0;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR Recipient:5;
UCHAR Reserved1:3;
UCHAR Reserved2;
UCHAR InterfaceNumber;
UCHAR MS_PageIndex;
USHORT MS_FeatureDescriptorIndex;
USHORT Reserved3;
};
#endif
struct _URB_CONTROL_TRANSFER {
struct _URB_HEADER Hdr;
USBD_PIPE_HANDLE PipeHandle;
ULONG TransferFlags;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
UCHAR SetupPacket[8];
};
#if (_WIN32_WINNT >= 0x0600)
struct _URB_CONTROL_TRANSFER_EX {
struct _URB_HEADER Hdr;
USBD_PIPE_HANDLE PipeHandle;
ULONG TransferFlags;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
ULONG Timeout;
#ifdef WIN64
ULONG Pad;
#endif
struct _URB_HCD_AREA hca;
UCHAR SetupPacket[8];
};
#endif
struct _URB_BULK_OR_INTERRUPT_TRANSFER {
struct _URB_HEADER Hdr;
USBD_PIPE_HANDLE PipeHandle;
ULONG TransferFlags;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
};
typedef struct _USBD_ISO_PACKET_DESCRIPTOR {
ULONG Offset;
ULONG Length;
USBD_STATUS Status;
} USBD_ISO_PACKET_DESCRIPTOR, *PUSBD_ISO_PACKET_DESCRIPTOR;
struct _URB_ISOCH_TRANSFER {
struct _URB_HEADER Hdr;
USBD_PIPE_HANDLE PipeHandle;
ULONG TransferFlags;
ULONG TransferBufferLength;
PVOID TransferBuffer;
PMDL TransferBufferMDL;
struct _URB *UrbLink;
struct _URB_HCD_AREA hca;
ULONG StartFrame;
ULONG NumberOfPackets;
ULONG ErrorCount;
USBD_ISO_PACKET_DESCRIPTOR IsoPacket[1];
};
typedef struct _URB {
__GNU_EXTENSION union {
struct _URB_HEADER UrbHeader;
struct _URB_SELECT_INTERFACE UrbSelectInterface;
struct _URB_SELECT_CONFIGURATION UrbSelectConfiguration;
struct _URB_PIPE_REQUEST UrbPipeRequest;
struct _URB_FRAME_LENGTH_CONTROL UrbFrameLengthControl;
struct _URB_GET_FRAME_LENGTH UrbGetFrameLength;
struct _URB_SET_FRAME_LENGTH UrbSetFrameLength;
struct _URB_GET_CURRENT_FRAME_NUMBER UrbGetCurrentFrameNumber;
struct _URB_CONTROL_TRANSFER UrbControlTransfer;
#if (_WIN32_WINNT >= 0x0600)
struct _URB_CONTROL_TRANSFER_EX UrbControlTransferEx;
#endif
struct _URB_BULK_OR_INTERRUPT_TRANSFER UrbBulkOrInterruptTransfer;
struct _URB_ISOCH_TRANSFER UrbIsochronousTransfer;
struct _URB_CONTROL_DESCRIPTOR_REQUEST UrbControlDescriptorRequest;
struct _URB_CONTROL_GET_STATUS_REQUEST UrbControlGetStatusRequest;
struct _URB_CONTROL_FEATURE_REQUEST UrbControlFeatureRequest;
struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST UrbControlVendorClassRequest;
struct _URB_CONTROL_GET_INTERFACE_REQUEST UrbControlGetInterfaceRequest;
struct _URB_CONTROL_GET_CONFIGURATION_REQUEST UrbControlGetConfigurationRequest;
#if (_WIN32_WINNT >= 0x0501)
struct _URB_OS_FEATURE_DESCRIPTOR_REQUEST UrbOSFeatureDescriptorRequest;
#endif
};
} URB, *PURB;
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