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273 lines
11 KiB
C
273 lines
11 KiB
C
/*
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* Copyright (C) 2010 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "ddk/wdm.h"
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#include "ddk/usb.h"
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#include "ddk/usbdlib.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(usbd);
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PURB WINAPI USBD_CreateConfigurationRequest(
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PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor, PUSHORT Siz )
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{
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URB *urb = NULL;
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USBD_INTERFACE_LIST_ENTRY *interfaceList;
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ULONG interfaceListSize;
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USB_INTERFACE_DESCRIPTOR *interfaceDesc;
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int i;
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TRACE( "(%p, %p)\n", ConfigurationDescriptor, Siz );
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/* http://www.microsoft.com/whdc/archive/usbfaq.mspx
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* claims USBD_CreateConfigurationRequest doesn't support > 1 interface,
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* but is this on Windows 98 only or all versions?
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*/
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*Siz = 0;
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interfaceListSize = (ConfigurationDescriptor->bNumInterfaces + 1) * sizeof(USBD_INTERFACE_LIST_ENTRY);
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interfaceList = ExAllocatePool( NonPagedPool, interfaceListSize );
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if (interfaceList)
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{
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RtlZeroMemory( interfaceList, interfaceListSize );
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interfaceDesc = (PUSB_INTERFACE_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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ConfigurationDescriptor, USB_INTERFACE_DESCRIPTOR_TYPE );
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for (i = 0; i < ConfigurationDescriptor->bNumInterfaces && interfaceDesc != NULL; i++)
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{
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interfaceList[i].InterfaceDescriptor = interfaceDesc;
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interfaceDesc = (PUSB_INTERFACE_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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interfaceDesc + 1, USB_INTERFACE_DESCRIPTOR_TYPE );
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}
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urb = USBD_CreateConfigurationRequestEx( ConfigurationDescriptor, interfaceList );
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if (urb)
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*Siz = urb->u.UrbHeader.Length;
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ExFreePool( interfaceList );
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}
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return urb;
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}
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PURB WINAPI USBD_CreateConfigurationRequestEx(
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PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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PUSBD_INTERFACE_LIST_ENTRY InterfaceList )
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{
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URB *urb;
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ULONG size = 0;
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USBD_INTERFACE_LIST_ENTRY *interfaceEntry;
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ULONG interfaceCount = 0;
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TRACE( "(%p, %p)\n", ConfigurationDescriptor, InterfaceList );
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size = sizeof(struct _URB_SELECT_CONFIGURATION);
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for (interfaceEntry = InterfaceList; interfaceEntry->InterfaceDescriptor; interfaceEntry++)
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{
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++interfaceCount;
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size += (interfaceEntry->InterfaceDescriptor->bNumEndpoints - 1) *
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sizeof(USBD_PIPE_INFORMATION);
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}
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size += (interfaceCount - 1) * sizeof(USBD_INTERFACE_INFORMATION);
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urb = ExAllocatePool( NonPagedPool, size );
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if (urb)
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{
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USBD_INTERFACE_INFORMATION *interfaceInfo;
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RtlZeroMemory( urb, size );
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urb->u.UrbSelectConfiguration.Hdr.Length = size;
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urb->u.UrbSelectConfiguration.Hdr.Function = URB_FUNCTION_SELECT_CONFIGURATION;
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urb->u.UrbSelectConfiguration.ConfigurationDescriptor = ConfigurationDescriptor;
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interfaceInfo = &urb->u.UrbSelectConfiguration.Interface;
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for (interfaceEntry = InterfaceList; interfaceEntry->InterfaceDescriptor; interfaceEntry++)
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{
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ULONG i;
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USB_INTERFACE_DESCRIPTOR *currentInterface;
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USB_ENDPOINT_DESCRIPTOR *endpointDescriptor;
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interfaceInfo->InterfaceNumber = interfaceEntry->InterfaceDescriptor->bInterfaceNumber;
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interfaceInfo->AlternateSetting = interfaceEntry->InterfaceDescriptor->bAlternateSetting;
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interfaceInfo->Class = interfaceEntry->InterfaceDescriptor->bInterfaceClass;
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interfaceInfo->SubClass = interfaceEntry->InterfaceDescriptor->bInterfaceSubClass;
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interfaceInfo->Protocol = interfaceEntry->InterfaceDescriptor->bInterfaceProtocol;
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interfaceInfo->NumberOfPipes = interfaceEntry->InterfaceDescriptor->bNumEndpoints;
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currentInterface = USBD_ParseConfigurationDescriptorEx(
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ConfigurationDescriptor, ConfigurationDescriptor,
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interfaceEntry->InterfaceDescriptor->bInterfaceNumber, -1, -1, -1, -1 );
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endpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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currentInterface, USB_ENDPOINT_DESCRIPTOR_TYPE );
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for (i = 0; i < interfaceInfo->NumberOfPipes && endpointDescriptor; i++)
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{
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interfaceInfo->Pipes[i].MaximumPacketSize = endpointDescriptor->wMaxPacketSize;
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interfaceInfo->Pipes[i].EndpointAddress = endpointDescriptor->bEndpointAddress;
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interfaceInfo->Pipes[i].Interval = endpointDescriptor->bInterval;
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switch (endpointDescriptor->bmAttributes & USB_ENDPOINT_TYPE_MASK)
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{
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case USB_ENDPOINT_TYPE_CONTROL:
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interfaceInfo->Pipes[i].PipeType = UsbdPipeTypeControl;
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break;
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case USB_ENDPOINT_TYPE_BULK:
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interfaceInfo->Pipes[i].PipeType = UsbdPipeTypeBulk;
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break;
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case USB_ENDPOINT_TYPE_INTERRUPT:
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interfaceInfo->Pipes[i].PipeType = UsbdPipeTypeInterrupt;
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break;
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case USB_ENDPOINT_TYPE_ISOCHRONOUS:
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interfaceInfo->Pipes[i].PipeType = UsbdPipeTypeIsochronous;
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break;
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}
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endpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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endpointDescriptor + 1, USB_ENDPOINT_DESCRIPTOR_TYPE );
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}
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interfaceInfo->Length = sizeof(USBD_INTERFACE_INFORMATION) +
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(i - 1) * sizeof(USBD_PIPE_INFORMATION);
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interfaceEntry->Interface = interfaceInfo;
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interfaceInfo = (USBD_INTERFACE_INFORMATION*)(((char*)interfaceInfo)+interfaceInfo->Length);
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}
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}
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return urb;
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}
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VOID WINAPI USBD_GetUSBDIVersion(
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PUSBD_VERSION_INFORMATION VersionInformation )
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{
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TRACE( "(%p)\n", VersionInformation );
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/* Emulate Windows 2000 (= 0x300) for now */
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VersionInformation->USBDI_Version = 0x300;
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VersionInformation->Supported_USB_Version = 0x200;
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}
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PUSB_INTERFACE_DESCRIPTOR WINAPI USBD_ParseConfigurationDescriptorEx(
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PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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PVOID StartPosition, LONG InterfaceNumber,
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LONG AlternateSetting, LONG InterfaceClass,
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LONG InterfaceSubClass, LONG InterfaceProtocol )
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{
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/* http://blogs.msdn.com/usbcoreblog/archive/2009/12/12/
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* what-is-the-right-way-to-validate-and-parse-configuration-descriptors.aspx
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*/
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PUSB_INTERFACE_DESCRIPTOR interface;
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TRACE( "(%p, %p, %d, %d, %d, %d, %d)\n", ConfigurationDescriptor,
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StartPosition, InterfaceNumber, AlternateSetting,
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InterfaceClass, InterfaceSubClass, InterfaceProtocol );
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interface = (PUSB_INTERFACE_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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StartPosition, USB_INTERFACE_DESCRIPTOR_TYPE );
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while (interface != NULL)
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{
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if ((InterfaceNumber == -1 || interface->bInterfaceNumber == InterfaceNumber) &&
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(AlternateSetting == -1 || interface->bAlternateSetting == AlternateSetting) &&
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(InterfaceClass == -1 || interface->bInterfaceClass == InterfaceClass) &&
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(InterfaceSubClass == -1 || interface->bInterfaceSubClass == InterfaceSubClass) &&
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(InterfaceProtocol == -1 || interface->bInterfaceProtocol == InterfaceProtocol))
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{
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return interface;
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}
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interface = (PUSB_INTERFACE_DESCRIPTOR) USBD_ParseDescriptors(
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ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength,
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interface + 1, USB_INTERFACE_DESCRIPTOR_TYPE );
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}
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return NULL;
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}
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PUSB_INTERFACE_DESCRIPTOR WINAPI USBD_ParseConfigurationDescriptor(
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PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor, UCHAR InterfaceNumber,
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UCHAR AlternateSetting )
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{
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TRACE( "(%p, %u, %u)\n", ConfigurationDescriptor, InterfaceNumber, AlternateSetting );
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return USBD_ParseConfigurationDescriptorEx( ConfigurationDescriptor, ConfigurationDescriptor,
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InterfaceNumber, AlternateSetting, -1, -1, -1 );
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}
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PUSB_COMMON_DESCRIPTOR WINAPI USBD_ParseDescriptors(
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PVOID DescriptorBuffer,
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ULONG TotalLength,
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PVOID StartPosition,
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LONG DescriptorType )
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{
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PUSB_COMMON_DESCRIPTOR common;
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TRACE( "(%p, %u, %p, %d)\n", DescriptorBuffer, TotalLength, StartPosition, DescriptorType );
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for (common = (PUSB_COMMON_DESCRIPTOR)DescriptorBuffer;
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((char*)common) + sizeof(USB_COMMON_DESCRIPTOR) <= ((char*)DescriptorBuffer) + TotalLength;
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common = (PUSB_COMMON_DESCRIPTOR)(((char*)common) + common->bLength))
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{
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if (StartPosition <= (PVOID)common && common->bDescriptorType == DescriptorType)
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return common;
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}
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return NULL;
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}
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USBD_STATUS WINAPI USBD_ValidateConfigurationDescriptor(
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PUSB_CONFIGURATION_DESCRIPTOR descr,
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ULONG length,
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USHORT level,
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PUCHAR *offset,
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ULONG tag )
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{
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FIXME( "(%p, %u, %u, %p, %u) partial stub!\n", descr, length, level, offset, tag );
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if (offset) *offset = 0;
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if (!descr ||
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length < sizeof(USB_CONFIGURATION_DESCRIPTOR) ||
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descr->bLength < sizeof(USB_CONFIGURATION_DESCRIPTOR) ||
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descr->wTotalLength < descr->bNumInterfaces * sizeof(USB_CONFIGURATION_DESCRIPTOR)
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) return USBD_STATUS_ERROR;
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return USBD_STATUS_SUCCESS;
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}
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ULONG WINAPI USBD_GetInterfaceLength(
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PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor,
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PUCHAR BufferEnd )
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{
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PUSB_COMMON_DESCRIPTOR common;
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ULONG total = InterfaceDescriptor->bLength;
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TRACE( "(%p, %p)\n", InterfaceDescriptor, BufferEnd );
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for (common = (PUSB_COMMON_DESCRIPTOR)(InterfaceDescriptor + 1);
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(((PUCHAR)common) + sizeof(USB_COMMON_DESCRIPTOR)) <= BufferEnd &&
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common->bDescriptorType != USB_INTERFACE_DESCRIPTOR_TYPE;
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common = (PUSB_COMMON_DESCRIPTOR)(((char*)common) + common->bLength))
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{
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total += common->bLength;
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}
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return total;
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}
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NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
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{
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TRACE( "(%p, %s)\n", driver, debugstr_w(path->Buffer) );
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return STATUS_SUCCESS;
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}
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