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2d7c9100e1
- Query bus interface and check if USBC_DEVICE_CONFIGURATION_INTERFACE_V1 is supported. This interface is implemented by attached usb filter drivers and is used to enumerate functions of the composite usb device - Implement enumeration of function by using usb interface association descriptors and by the USBC_DEVICE_CONFIGURATION_INTERFACE_V1 - Needs audio legacy method and union function descriptors to be fully functional - WIP, not yet tested - Fix build with mingw by declaring _DISK_GEOMETRY_EX outside the function svn path=/branches/usb-bringup-trunk/; revision=55197
198 lines
3.7 KiB
C
198 lines
3.7 KiB
C
/*
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* PROJECT: ReactOS Universal Serial Bus Bulk Enhanced Host Controller Interface
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/usb/usbccgp/misc.c
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* PURPOSE: USB device driver.
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* PROGRAMMERS:
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* Michael Martin (michael.martin@reactos.org)
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* Johannes Anderwald (johannes.anderwald@reactos.org)
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* Cameron Gutman
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*/
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#include "usbccgp.h"
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//
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// driver verifier
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//
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IO_COMPLETION_ROUTINE SyncForwardIrpCompletionRoutine;
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NTSTATUS
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NTAPI
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USBSTOR_SyncForwardIrpCompletionRoutine(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PVOID Context)
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{
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if (Irp->PendingReturned)
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{
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KeSetEvent((PKEVENT)Context, IO_NO_INCREMENT, FALSE);
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}
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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NTSTATUS
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NTAPI
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USBCCGP_SyncForwardIrp(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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KEVENT Event;
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NTSTATUS Status;
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//
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// initialize event
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//
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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//
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// copy irp stack location
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//
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IoCopyCurrentIrpStackLocationToNext(Irp);
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//
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// set completion routine
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//
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IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
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//
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// call driver
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//
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Status = IoCallDriver(DeviceObject, Irp);
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//
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// check if pending
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//
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if (Status == STATUS_PENDING)
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{
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//
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// wait for the request to finish
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//
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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//
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// copy status code
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//
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Status = Irp->IoStatus.Status;
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}
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//
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// done
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//
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return Status;
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}
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NTSTATUS
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USBCCGP_SyncUrbRequest(
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IN PDEVICE_OBJECT DeviceObject,
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OUT PURB UrbRequest)
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{
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PIRP Irp;
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PIO_STACK_LOCATION IoStack;
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KEVENT Event;
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NTSTATUS Status;
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//
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// allocate irp
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//
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Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
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if (!Irp)
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{
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//
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// no memory
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//
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// initialize event
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//
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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//
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// get next stack location
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//
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IoStack = IoGetNextIrpStackLocation(Irp);
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//
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// initialize stack location
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//
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IoStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
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IoStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
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IoStack->Parameters.Others.Argument1 = (PVOID)UrbRequest;
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IoStack->Parameters.DeviceIoControl.InputBufferLength = UrbRequest->UrbHeader.Length;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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//
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// setup completion routine
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//
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IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
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//
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// call driver
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//
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Status = IoCallDriver(DeviceObject, Irp);
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//
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// check if request is pending
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//
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if (Status == STATUS_PENDING)
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{
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//
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// wait for completion
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//
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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//
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// update status
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//
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Status = Irp->IoStatus.Status;
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}
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//
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// free irp
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//
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IoFreeIrp(Irp);
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//
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// done
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//
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return Status;
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}
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PVOID
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AllocateItem(
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IN POOL_TYPE PoolType,
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IN ULONG ItemSize)
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{
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//
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// allocate item
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//
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PVOID Item = ExAllocatePoolWithTag(PoolType, ItemSize, USBCCPG_TAG);
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if (Item)
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{
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//
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// zero item
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//
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RtlZeroMemory(Item, ItemSize);
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}
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//
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// return element
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//
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return Item;
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}
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VOID
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FreeItem(
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IN PVOID Item)
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{
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//
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// free item
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//
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ExFreePoolWithTag(Item, USBCCPG_TAG);
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}
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