517 lines
15 KiB
C
517 lines
15 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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USBDLIB.H
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Abstract:
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Services exported by USBD.
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Environment:
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Kernel & user mode
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Revision History:
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06-10-96 : created
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--*/
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#ifndef __USBDLIB_H__
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#define __USBDLIB_H__
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typedef struct _USBD_INTERFACE_LIST_ENTRY {
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PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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PUSBD_INTERFACE_INFORMATION Interface;
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} USBD_INTERFACE_LIST_ENTRY, *PUSBD_INTERFACE_LIST_ENTRY;
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//
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// Macros for building URB requests
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//
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#define UsbBuildInterruptOrBulkTransferRequest(urb, \
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length, \
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pipeHandle, \
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transferBuffer, \
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transferBufferMDL, \
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transferBufferLength, \
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transferFlags, \
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link) { \
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(urb)->UrbHeader.Function = URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbBulkOrInterruptTransfer.PipeHandle = (pipeHandle); \
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(urb)->UrbBulkOrInterruptTransfer.TransferBufferLength = (transferBufferLength); \
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(urb)->UrbBulkOrInterruptTransfer.TransferBufferMDL = (transferBufferMDL); \
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(urb)->UrbBulkOrInterruptTransfer.TransferBuffer = (transferBuffer); \
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(urb)->UrbBulkOrInterruptTransfer.TransferFlags = (transferFlags); \
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(urb)->UrbBulkOrInterruptTransfer.UrbLink = (link); }
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#define UsbBuildGetDescriptorRequest(urb, \
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length, \
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descriptorType, \
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descriptorIndex, \
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languageId, \
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transferBuffer, \
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transferBufferMDL, \
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transferBufferLength, \
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link) { \
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(urb)->UrbHeader.Function = URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbControlDescriptorRequest.TransferBufferLength = (transferBufferLength); \
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(urb)->UrbControlDescriptorRequest.TransferBufferMDL = (transferBufferMDL); \
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(urb)->UrbControlDescriptorRequest.TransferBuffer = (transferBuffer); \
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(urb)->UrbControlDescriptorRequest.DescriptorType = (descriptorType); \
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(urb)->UrbControlDescriptorRequest.Index = (descriptorIndex); \
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(urb)->UrbControlDescriptorRequest.LanguageId = (languageId); \
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(urb)->UrbControlDescriptorRequest.UrbLink = (link); }
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#define UsbBuildGetStatusRequest(urb, \
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op, \
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index, \
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transferBuffer, \
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transferBufferMDL, \
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link) { \
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(urb)->UrbHeader.Function = (op); \
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(urb)->UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_STATUS_REQUEST); \
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(urb)->UrbControlGetStatusRequest.TransferBufferLength = sizeof(USHORT); \
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(urb)->UrbControlGetStatusRequest.TransferBufferMDL = (transferBufferMDL); \
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(urb)->UrbControlGetStatusRequest.TransferBuffer = (transferBuffer); \
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(urb)->UrbControlGetStatusRequest.Index = (index); \
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(urb)->UrbControlGetStatusRequest.UrbLink = (link); }
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#define UsbBuildFeatureRequest(urb, \
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op, \
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featureSelector, \
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index, \
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link) { \
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(urb)->UrbHeader.Function = (op); \
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(urb)->UrbHeader.Length = sizeof(struct _URB_CONTROL_FEATURE_REQUEST); \
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(urb)->UrbControlFeatureRequest.FeatureSelector = (featureSelector); \
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(urb)->UrbControlFeatureRequest.Index = (index); \
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(urb)->UrbControlFeatureRequest.UrbLink = (link); }
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#define UsbBuildSelectConfigurationRequest(urb, \
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length, \
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configurationDescriptor) { \
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(urb)->UrbHeader.Function = URB_FUNCTION_SELECT_CONFIGURATION; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbSelectConfiguration.ConfigurationDescriptor = (configurationDescriptor); }
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#define UsbBuildSelectInterfaceRequest(urb, \
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length, \
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configurationHandle, \
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interfaceNumber, \
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alternateSetting) { \
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(urb)->UrbHeader.Function = URB_FUNCTION_SELECT_INTERFACE; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbSelectInterface.Interface.AlternateSetting = (alternateSetting); \
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(urb)->UrbSelectInterface.Interface.InterfaceNumber = (interfaceNumber); \
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(urb)->UrbSelectInterface.ConfigurationHandle = (configurationHandle); }
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#define UsbBuildVendorRequest(urb, \
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cmd, \
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length, \
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transferFlags, \
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reservedbits, \
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request, \
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value, \
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index, \
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transferBuffer, \
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transferBufferMDL, \
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transferBufferLength, \
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link) { \
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(urb)->UrbHeader.Function = cmd; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbControlVendorClassRequest.TransferBufferLength = (transferBufferLength); \
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(urb)->UrbControlVendorClassRequest.TransferBufferMDL = (transferBufferMDL); \
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(urb)->UrbControlVendorClassRequest.TransferBuffer = (transferBuffer); \
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(urb)->UrbControlVendorClassRequest.RequestTypeReservedBits = (reservedbits); \
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(urb)->UrbControlVendorClassRequest.Request = (request); \
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(urb)->UrbControlVendorClassRequest.Value = (value); \
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(urb)->UrbControlVendorClassRequest.Index = (index); \
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(urb)->UrbControlVendorClassRequest.TransferFlags = (transferFlags); \
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(urb)->UrbControlVendorClassRequest.UrbLink = (link); }
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// This is just a special vendor class request.
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#define UsbBuildOsFeatureDescriptorRequest(urb, \
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length, \
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interface, \
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index, \
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transferBuffer, \
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transferBufferMDL, \
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transferBufferLength, \
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link) { \
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(urb)->UrbHeader.Function = URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR; \
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(urb)->UrbHeader.Length = (length); \
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(urb)->UrbOSFeatureDescriptorRequest.TransferBufferLength = (transferBufferLength); \
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(urb)->UrbOSFeatureDescriptorRequest.TransferBufferMDL = (transferBufferMDL); \
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(urb)->UrbOSFeatureDescriptorRequest.TransferBuffer = (transferBuffer); \
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(urb)->UrbOSFeatureDescriptorRequest.InterfaceNumber = (interface); \
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(urb)->UrbOSFeatureDescriptorRequest.MS_FeatureDescriptorIndex = (index); \
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(urb)->UrbOSFeatureDescriptorRequest.UrbLink = (link); }
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//
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// Get the USB status code
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//
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#define URB_STATUS(urb) ((urb)->UrbHeader.Status)
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//
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// Macros used for select interface and select configuration requests
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//
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//
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// Calculates the size needed for a SELECT_CONFIGURATION URB request given
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// the number of interfaces and the total number of pipes in all interfaces
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// selected.
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//
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#ifdef OSR21_COMPAT
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#define GET_SELECT_CONFIGURATION_REQUEST_SIZE(totalInterfaces, totalPipes) \
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(sizeof(struct _URB_SELECT_CONFIGURATION) + \
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((totalInterfaces-1) * sizeof(USBD_INTERFACE_INFORMATION)) + \
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((totalPipes)*sizeof(USBD_PIPE_INFORMATION)))
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#else
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#define GET_SELECT_CONFIGURATION_REQUEST_SIZE(totalInterfaces, totalPipes) \
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(sizeof(struct _URB_SELECT_CONFIGURATION) + \
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((totalInterfaces-1) * sizeof(USBD_INTERFACE_INFORMATION)) + \
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((totalPipes-1)*sizeof(USBD_PIPE_INFORMATION)))
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#endif
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//
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// Calculates the size needed for a SELECT_INTERFACE URB request given
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// the number of pipes in the alternate interface selected.
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//
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#ifdef OSR21_COMPAT
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#define GET_SELECT_INTERFACE_REQUEST_SIZE(totalPipes) \
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(sizeof(struct _URB_SELECT_INTERFACE) + \
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((totalPipes)*sizeof(USBD_PIPE_INFORMATION)))
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#else
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#define GET_SELECT_INTERFACE_REQUEST_SIZE(totalPipes) \
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(sizeof(struct _URB_SELECT_INTERFACE) + \
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((totalPipes-1)*sizeof(USBD_PIPE_INFORMATION)))
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#endif
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//
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// Calculates the size of the interface information structure needed to describe
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// a give interface based on the number of endpoints.
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//
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#ifdef OSR21_COMPAT
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#define GET_USBD_INTERFACE_SIZE(numEndpoints) (sizeof(USBD_INTERFACE_INFORMATION) + \
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sizeof(USBD_PIPE_INFORMATION)*(numEndpoints))
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#else
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#define GET_USBD_INTERFACE_SIZE(numEndpoints) (sizeof(USBD_INTERFACE_INFORMATION) + \
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(sizeof(USBD_PIPE_INFORMATION)*(numEndpoints)) \
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- sizeof(USBD_PIPE_INFORMATION))
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#endif
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//
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// Calculates the size of an iso urb request given the number of packets
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//
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#define GET_ISO_URB_SIZE(n) (sizeof(struct _URB_ISOCH_TRANSFER)+\
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sizeof(USBD_ISO_PACKET_DESCRIPTOR)*n)
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#ifndef _USBD_
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DECLSPEC_IMPORT
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VOID
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USBD_Debug_LogEntry(
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IN CHAR *Name,
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IN ULONG Info1,
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IN ULONG Info2,
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IN ULONG Info3
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);
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DECLSPEC_IMPORT
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VOID
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USBD_GetUSBDIVersion(
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PUSBD_VERSION_INFORMATION VersionInformation
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);
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DECLSPEC_IMPORT
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PUSB_INTERFACE_DESCRIPTOR
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USBD_ParseConfigurationDescriptor(
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IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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IN UCHAR InterfaceNumber,
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IN UCHAR AlternateSetting
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);
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/*++
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Routine Description:
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This function is replaced by USBD_ParseConfigurationDescriptorEx
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Arguments:
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Return Value:
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--*/
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DECLSPEC_IMPORT
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PURB
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USBD_CreateConfigurationRequest(
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IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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IN OUT PUSHORT Siz
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);
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/*++
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Routine Description:
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This function is replaced by USBD_CreateConfigurationRequestEx
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Arguments:
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Return Value:
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--*/
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//
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// These APIS replace USBD_CreateConfigurationRequest,
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// USBD_ParseConfigurationDescriptor
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//
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DECLSPEC_IMPORT
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PUSB_COMMON_DESCRIPTOR
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USBD_ParseDescriptors(
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IN PVOID DescriptorBuffer,
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IN ULONG TotalLength,
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IN PVOID StartPosition,
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IN LONG DescriptorType
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);
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/*++
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Routine Description:
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Parses a group of standard USB configuration descriptors (returned from a device) for
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a specific descriptor type.
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Arguments:
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DescriptorBuffer - pointer to a block of contiguous USB desscriptors
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TotalLength - size in bytes of the Descriptor buffer
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StartPosition - starting position in the buffer to begin parsing,
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this must point to the begining of a USB descriptor.
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DescriptorType - USB descritor type to locate.
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Return Value:
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pointer to a usb descriptor with a DescriptorType field matching the
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input parameter or NULL if not found.
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--*/
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DECLSPEC_IMPORT
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PUSB_INTERFACE_DESCRIPTOR
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USBD_ParseConfigurationDescriptorEx(
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IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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IN PVOID StartPosition,
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IN LONG InterfaceNumber,
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IN LONG AlternateSetting,
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IN LONG InterfaceClass,
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IN LONG InterfaceSubClass,
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IN LONG InterfaceProtocol
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);
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/*++
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Routine Description:
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Parses a standard USB configuration descriptor (returned from a device) for
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a specific interface, alternate setting class subclass or protocol codes
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Arguments:
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ConfigurationDescriptor - pointer to USB configuration descriptor, returned
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from a device (includes all interface and endpoint
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descriptors).
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StartPosition - pointer to starting position within the configuration
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descrptor to begin parsing -- this must be a valid usb
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descriptor.
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InterfaceNumber - interface number to find, (-1) match any
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AlternateSetting - alt setting number to find, (-1) match any
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InterfaceClass - class to find, (-1) match any
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InterfaceSubClass - subclass to find, (-1) match any
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InterfaceProtocol - protocol to find, (-1) match any
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Return Value:
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returns a pointer to the first interface descriptor matching the parameters
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passed in (starting from startposition) or NULL if no match is found.
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--*/
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DECLSPEC_IMPORT
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PURB
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USBD_CreateConfigurationRequestEx(
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IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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IN PUSBD_INTERFACE_LIST_ENTRY InterfaceList
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);
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/*++
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Routine Description:
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Allocates and initilaizes a urb of sufficient size to configure a device
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based on the list of interfaces passed in.
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The interface list is a contiguous array of USBD_INTERFACE_LIST_ENTRIES
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each pointing to a specific interface descriptor to be incorporated in
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the request, the list is terminated by a list entry with an
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InterfaceDescriptor pointer of NULL.
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On return the interface field of each list entry is filled in with a pointer
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to the USBD_INTERFACE_INFORMATION structure within the URB corrisponding to
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the same interface descriptor.
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Arguments:
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ConfigurationDescriptor - pointer to USB configuration descriptor, returned
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from a device (includes all interface and endpoint
|
||
|
|
descriptors).
|
||
|
|
|
||
|
|
InterfaceList - list of interfaces we are interested in.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Pointer to initailized select_configuration urb.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
__declspec(dllexport)
|
||
|
|
ULONG
|
||
|
|
USBD_GetInterfaceLength(
|
||
|
|
IN PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor,
|
||
|
|
IN PUCHAR BufferEnd
|
||
|
|
);
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Returns the length (in bytes) of a given interface descriptor
|
||
|
|
including all endpoint and class descriptors
|
||
|
|
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
InterfaceDescriptor
|
||
|
|
|
||
|
|
BufferEnd - Pointer to the end of the buffer containing the descriptors
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
length of descriptors
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
|
||
|
|
__declspec(dllexport)
|
||
|
|
VOID
|
||
|
|
USBD_RegisterHcFilter(
|
||
|
|
PDEVICE_OBJECT DeviceObject,
|
||
|
|
PDEVICE_OBJECT FilterDeviceObject
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Called by an HC filter driver after it attaches to the top
|
||
|
|
of the host controller driver stack.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
DeviceObject - current top of stack
|
||
|
|
|
||
|
|
FilterDeviceObject - device object for the filter driver
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
none
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
__declspec(dllexport)
|
||
|
|
NTSTATUS
|
||
|
|
USBD_GetPdoRegistryParameter(
|
||
|
|
IN PDEVICE_OBJECT PhysicalDeviceObject,
|
||
|
|
IN OUT PVOID Parameter,
|
||
|
|
IN ULONG ParameterLength,
|
||
|
|
IN PWCHAR KeyName,
|
||
|
|
IN ULONG KeyNameLength
|
||
|
|
);
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
__declspec(dllexport)
|
||
|
|
NTSTATUS
|
||
|
|
USBD_QueryBusTime(
|
||
|
|
IN PDEVICE_OBJECT RootHubPdo,
|
||
|
|
IN PULONG CurrentFrame
|
||
|
|
);
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Returns the current frame, callable at any IRQL
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
|
||
|
|
DECLSPEC_IMPORT
|
||
|
|
ULONG
|
||
|
|
USBD_CalculateUsbBandwidth(
|
||
|
|
ULONG MaxPacketSize,
|
||
|
|
UCHAR EndpointType,
|
||
|
|
BOOLEAN LowSpeed
|
||
|
|
);
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Returns bus bw consumed based on the endpoint type and
|
||
|
|
packet size
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _USBD_ */
|
||
|
|
|
||
|
|
#endif /* __USBDLIB_H__ */
|