/* * 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 #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 0x00000600 #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)0x00000000) #define USBD_STATUS_PENDING ((USBD_STATUS)0x40000000) #define USBD_STATUS_CRC ((USBD_STATUS)0xC0000001) #define USBD_STATUS_BTSTUFF ((USBD_STATUS)0xC0000002) #define USBD_STATUS_DATA_TOGGLE_MISMATCH ((USBD_STATUS)0xC0000003) #define USBD_STATUS_STALL_PID ((USBD_STATUS)0xC0000004) #define USBD_STATUS_DEV_NOT_RESPONDING ((USBD_STATUS)0xC0000005) #define USBD_STATUS_PID_CHECK_FAILURE ((USBD_STATUS)0xC0000006) #define USBD_STATUS_UNEXPECTED_PID ((USBD_STATUS)0xC0000007) #define USBD_STATUS_DATA_OVERRUN ((USBD_STATUS)0xC0000008) #define USBD_STATUS_DATA_UNDERRUN ((USBD_STATUS)0xC0000009) #define USBD_STATUS_RESERVED1 ((USBD_STATUS)0xC000000A) #define USBD_STATUS_RESERVED2 ((USBD_STATUS)0xC000000B) #define USBD_STATUS_BUFFER_OVERRUN ((USBD_STATUS)0xC000000C) #define USBD_STATUS_BUFFER_UNDERRUN ((USBD_STATUS)0xC000000D) #define USBD_STATUS_NOT_ACCESSED ((USBD_STATUS)0xC000000F) #define USBD_STATUS_FIFO ((USBD_STATUS)0xC0000010) #define USBD_STATUS_XACT_ERROR ((USBD_STATUS)0xC0000011) #define USBD_STATUS_BABBLE_DETECTED ((USBD_STATUS)0xC0000012) #define USBD_STATUS_DATA_BUFFER_ERROR ((USBD_STATUS)0xC0000013) #define USBD_STATUS_ENDPOINT_HALTED ((USBD_STATUS)0xC0000030) #define USBD_STATUS_INVALID_URB_FUNCTION ((USBD_STATUS)0x80000200) #define USBD_STATUS_INVALID_PARAMETER ((USBD_STATUS)0x80000300) #define USBD_STATUS_ERROR_BUSY ((USBD_STATUS)0x80000400) #define USBD_STATUS_INVALID_PIPE_HANDLE ((USBD_STATUS)0x80000600) #define USBD_STATUS_NO_BANDWIDTH ((USBD_STATUS)0x80000700) #define USBD_STATUS_INTERNAL_HC_ERROR ((USBD_STATUS)0x80000800) #define USBD_STATUS_ERROR_SHORT_TRANSFER ((USBD_STATUS)0x80000900) #define USBD_STATUS_BAD_START_FRAME ((USBD_STATUS)0xC0000A00) #define USBD_STATUS_ISOCH_REQUEST_FAILED ((USBD_STATUS)0xC0000B00) #define USBD_STATUS_FRAME_CONTROL_OWNED ((USBD_STATUS)0xC0000C00) #define USBD_STATUS_FRAME_CONTROL_NOT_OWNED ((USBD_STATUS)0xC0000D00) #define USBD_STATUS_NOT_SUPPORTED ((USBD_STATUS)0xC0000E00) #define USBD_STATUS_INAVLID_CONFIGURATION_DESCRIPTOR ((USBD_STATUS)0xC0000F00) #define USBD_STATUS_INSUFFICIENT_RESOURCES ((USBD_STATUS)0xC0001000) #define USBD_STATUS_SET_CONFIG_FAILED ((USBD_STATUS)0xC0002000) #define USBD_STATUS_BUFFER_TOO_SMALL ((USBD_STATUS)0xC0003000) #define USBD_STATUS_INTERFACE_NOT_FOUND ((USBD_STATUS)0xC0004000) #define USBD_STATUS_INAVLID_PIPE_FLAGS ((USBD_STATUS)0xC0005000) #define USBD_STATUS_TIMEOUT ((USBD_STATUS)0xC0006000) #define USBD_STATUS_DEVICE_GONE ((USBD_STATUS)0xC0007000) #define USBD_STATUS_STATUS_NOT_MAPPED ((USBD_STATUS)0xC0008000) #define USBD_STATUS_HUB_INTERNAL_ERROR ((USBD_STATUS)0xC0009000) #define USBD_STATUS_CANCELED ((USBD_STATUS)0xC0010000) #define USBD_STATUS_ISO_NOT_ACCESSED_BY_HW ((USBD_STATUS)0xC0020000) #define USBD_STATUS_ISO_TD_ERROR ((USBD_STATUS)0xC0030000) #define USBD_STATUS_ISO_NA_LATE_USBPORT ((USBD_STATUS)0xC0040000) #define USBD_STATUS_ISO_NOT_ACCESSED_LATE ((USBD_STATUS)0xC0050000) #define USBD_STATUS_BAD_DESCRIPTOR ((USBD_STATUS)0xC0100000) #define USBD_STATUS_BAD_DESCRIPTOR_BLEN ((USBD_STATUS)0xC0100001) #define USBD_STATUS_BAD_DESCRIPTOR_TYPE ((USBD_STATUS)0xC0100002) #define USBD_STATUS_BAD_INTERFACE_DESCRIPTOR ((USBD_STATUS)0xC0100003) #define USBD_STATUS_BAD_ENDPOINT_DESCRIPTOR ((USBD_STATUS)0xC0100004) #define USBD_STATUS_BAD_INTERFACE_ASSOC_DESCRIPTOR ((USBD_STATUS)0xC0100005) #define USBD_STATUS_BAD_CONFIG_DESC_LENGTH ((USBD_STATUS)0xC0100006) #define USBD_STATUS_BAD_NUMBER_OF_INTERFACES ((USBD_STATUS)0xC0100007) #define USBD_STATUS_BAD_NUMBER_OF_ENDPOINTS ((USBD_STATUS)0xC0100008) #define USBD_STATUS_BAD_ENDPOINT_ADDRESS ((USBD_STATUS)0xC0100009) 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; __C89_NAMELESS 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 { __C89_NAMELESS 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;