2011-04-17 22:06:20 +00:00
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/*
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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/usbehci/usb_queue.cpp
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* PURPOSE: USB EHCI 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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*/
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#include "usbehci.h"
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#include "hardware.h"
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class CUSBQueue : public IUSBQueue
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{
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public:
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STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
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STDMETHODIMP_(ULONG) AddRef()
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{
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InterlockedIncrement(&m_Ref);
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return m_Ref;
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}
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STDMETHODIMP_(ULONG) Release()
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{
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InterlockedDecrement(&m_Ref);
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if (!m_Ref)
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{
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delete this;
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return 0;
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}
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return m_Ref;
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}
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2012-01-23 16:17:21 +00:00
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virtual NTSTATUS Initialize(IN PUSBHARDWAREDEVICE Hardware, PDMA_ADAPTER AdapterObject, IN PDMAMEMORYMANAGER MemManager, IN OPTIONAL PKSPIN_LOCK Lock);
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2011-04-27 16:23:42 +00:00
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virtual ULONG GetPendingRequestCount();
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virtual NTSTATUS AddUSBRequest(PURB Urb);
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virtual NTSTATUS AddUSBRequest(IUSBRequest * Request);
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virtual NTSTATUS CancelRequests();
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virtual NTSTATUS CreateUSBRequest(IUSBRequest **OutRequest);
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virtual VOID InterruptCallback(IN NTSTATUS Status, OUT PULONG ShouldRingDoorBell);
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virtual VOID CompleteAsyncRequests();
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2011-04-17 22:06:20 +00:00
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// constructor / destructor
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CUSBQueue(IUnknown *OuterUnknown){}
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virtual ~CUSBQueue(){}
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protected:
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2011-05-20 14:47:15 +00:00
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LONG m_Ref; // reference count
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2012-01-23 15:49:43 +00:00
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PKSPIN_LOCK m_Lock; // list lock
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2011-05-20 14:47:15 +00:00
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PDMA_ADAPTER m_Adapter; // dma adapter
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PUSBHARDWAREDEVICE m_Hardware; // stores hardware object
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PQUEUE_HEAD AsyncListQueueHead; // async queue head
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LIST_ENTRY m_CompletedRequestAsyncList; // completed async request list
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LIST_ENTRY m_PendingRequestAsyncList; // pending async request list
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ULONG m_MaxPeriodicListEntries; // max perdiodic list entries
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ULONG m_MaxPollingInterval; // max polling interval
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PHYSICAL_ADDRESS m_SyncFrameListAddr; // physical address of sync frame list
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PULONG m_SyncFrameList; // virtual address of sync frame list
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PQUEUE_HEAD * m_SyncFrameListQueueHeads; // stores the frame list of queue head
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2011-04-18 00:06:37 +00:00
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2011-04-23 19:36:23 +00:00
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// queue head manipulation functions
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2011-04-18 11:34:02 +00:00
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VOID LinkQueueHead(PQUEUE_HEAD HeadQueueHead, PQUEUE_HEAD NewQueueHead);
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VOID UnlinkQueueHead(PQUEUE_HEAD QueueHead);
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VOID LinkQueueHeadChain(PQUEUE_HEAD HeadQueueHead, PQUEUE_HEAD NewQueueHead);
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PQUEUE_HEAD UnlinkQueueHeadChain(PQUEUE_HEAD HeadQueueHead, ULONG Count);
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2011-04-23 19:36:23 +00:00
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2011-04-27 16:23:42 +00:00
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// processes the async list
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VOID ProcessAsyncList(IN NTSTATUS Status, OUT PULONG ShouldRingDoorBell);
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2011-04-23 19:36:23 +00:00
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// called for each completed queue head
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2011-04-27 16:23:42 +00:00
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VOID QueueHeadCompletion(PQUEUE_HEAD QueueHead, NTSTATUS Status);
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2011-04-23 19:36:23 +00:00
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// called when the completion queue is cleaned up
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VOID QueueHeadCleanup(PQUEUE_HEAD QueueHead);
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2011-05-20 14:47:15 +00:00
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// intializes the sync schedule
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NTSTATUS InitializeSyncSchedule(IN PUSBHARDWAREDEVICE Hardware, IN PDMAMEMORYMANAGER MemManager);
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2011-04-17 22:06:20 +00:00
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};
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//=================================================================================================
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// COM
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//
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NTSTATUS
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STDMETHODCALLTYPE
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CUSBQueue::QueryInterface(
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IN REFIID refiid,
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OUT PVOID* Output)
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{
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if (IsEqualGUIDAligned(refiid, IID_IUnknown))
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{
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*Output = PVOID(PUNKNOWN(this));
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PUNKNOWN(*Output)->AddRef();
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return STATUS_SUCCESS;
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}
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return STATUS_UNSUCCESSFUL;
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}
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NTSTATUS
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CUSBQueue::Initialize(
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IN PUSBHARDWAREDEVICE Hardware,
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2011-05-20 14:47:15 +00:00
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IN PDMA_ADAPTER AdapterObject,
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IN PDMAMEMORYMANAGER MemManager,
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2011-04-17 22:06:20 +00:00
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IN OPTIONAL PKSPIN_LOCK Lock)
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{
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2011-04-19 06:56:30 +00:00
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NTSTATUS Status = STATUS_SUCCESS;
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2011-04-18 00:06:37 +00:00
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2011-04-30 18:46:10 +00:00
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DPRINT("CUSBQueue::Initialize()\n");
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2011-04-17 22:06:20 +00:00
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ASSERT(Hardware);
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2011-04-18 00:06:37 +00:00
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//
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// initialize device lock
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//
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2012-01-23 15:49:43 +00:00
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m_Lock = Lock;
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2011-04-18 00:06:37 +00:00
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2011-04-20 04:30:22 +00:00
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//
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// Get the AsyncQueueHead
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//
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2011-04-28 15:16:33 +00:00
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AsyncListQueueHead = (PQUEUE_HEAD)Hardware->GetAsyncListQueueHead();
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2011-04-20 04:30:22 +00:00
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//
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// Initialize the List Head
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//
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2011-04-28 15:16:33 +00:00
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InitializeListHead(&AsyncListQueueHead->LinkedQueueHeads);
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2011-04-27 16:23:42 +00:00
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//
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// Initialize completed async list head
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//
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InitializeListHead(&m_CompletedRequestAsyncList);
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2011-04-30 17:44:43 +00:00
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//
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// Initialize pending async list head
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//
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InitializeListHead(&m_PendingRequestAsyncList);
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2011-05-20 14:47:15 +00:00
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//
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// now initialize sync schedule
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//
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Status = InitializeSyncSchedule(Hardware, MemManager);
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2012-01-29 17:30:31 +00:00
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//
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// store hardware object
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//
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m_Hardware = Hardware;
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2011-04-19 06:56:30 +00:00
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return Status;
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2011-04-17 22:06:20 +00:00
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}
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2011-05-20 14:47:15 +00:00
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NTSTATUS
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CUSBQueue::InitializeSyncSchedule(
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IN PUSBHARDWAREDEVICE Hardware,
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IN PDMAMEMORYMANAGER MemManager)
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{
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PHYSICAL_ADDRESS QueueHeadPhysAddr;
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NTSTATUS Status;
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ULONG Index;
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PQUEUE_HEAD QueueHead;
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//
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// FIXME: check if smaller list sizes are supported
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//
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m_MaxPeriodicListEntries = 1024;
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//
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// use polling scheme of 32ms
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//
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m_MaxPollingInterval = 32;
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//
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// allocate dummy frame list array
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//
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m_SyncFrameListQueueHeads = (PQUEUE_HEAD*)ExAllocatePool(NonPagedPool, m_MaxPollingInterval * sizeof(PQUEUE_HEAD));
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if (!m_SyncFrameListQueueHeads)
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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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// first allocate a page to hold the queue array
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//
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Status = MemManager->Allocate(m_MaxPeriodicListEntries * sizeof(PVOID), (PVOID*)&m_SyncFrameList, &m_SyncFrameListAddr);
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if (!NT_SUCCESS(Status))
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{
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//
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// failed to allocate sync frame list array
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//
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DPRINT1("Failed to allocate sync frame list\n");
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ExFreePool(m_SyncFrameListQueueHeads);
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ASSERT(FALSE);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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//
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// now allocate queue head descriptors for the polling interval
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//
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for(Index = 0; Index < m_MaxPeriodicListEntries; Index++)
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{
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//
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// check if is inside our polling interrupt frequency window
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//
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if (Index < m_MaxPollingInterval)
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{
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//
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// allocate queue head
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//
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Status = MemManager->Allocate(sizeof(QUEUE_HEAD), (PVOID*)&QueueHead, &QueueHeadPhysAddr);
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//
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// initialize queue head
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//
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QueueHead->HorizontalLinkPointer = TERMINATE_POINTER;
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QueueHead->AlternateNextPointer = TERMINATE_POINTER;
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QueueHead->NextPointer = TERMINATE_POINTER;
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//
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// 1 for non high speed, 0 for high speed device
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//
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QueueHead->EndPointCharacteristics.ControlEndPointFlag = 0;
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QueueHead->EndPointCharacteristics.HeadOfReclamation = FALSE;
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QueueHead->EndPointCharacteristics.MaximumPacketLength = 64;
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//
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// Set NakCountReload to max value possible
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//
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QueueHead->EndPointCharacteristics.NakCountReload = 0xF;
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//
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// Get the Initial Data Toggle from the QEDT
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//
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QueueHead->EndPointCharacteristics.QEDTDataToggleControl = FALSE;
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//
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// FIXME: check if High Speed Device
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//
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QueueHead->EndPointCharacteristics.EndPointSpeed = QH_ENDPOINT_HIGHSPEED;
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QueueHead->EndPointCapabilities.NumberOfTransactionPerFrame = 0x03;
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QueueHead->Token.DWord = 0;
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QueueHead->Token.Bits.InterruptOnComplete = FALSE;
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QueueHead->PhysicalAddr = QueueHeadPhysAddr.LowPart;
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//
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// store in queue head array
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//
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m_SyncFrameListQueueHeads[Index] = QueueHead;
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}
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else
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{
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//
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// get cached entry
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//
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QueueHead = m_SyncFrameListQueueHeads[m_MaxPeriodicListEntries % m_MaxPollingInterval];
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}
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//
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// store entry
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//
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m_SyncFrameList[Index] = (QueueHead->PhysicalAddr | 0x2);
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}
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//
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// now set the sync base
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//
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Hardware->SetPeriodicListRegister(m_SyncFrameListAddr.LowPart);
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//
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// sync frame list initialized
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//
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return STATUS_SUCCESS;
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}
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2011-04-17 22:06:20 +00:00
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ULONG
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CUSBQueue::GetPendingRequestCount()
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{
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2011-04-19 06:56:30 +00:00
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//
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// Loop through the pending list and iterrate one for each QueueHead that
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// has a IRP to complete.
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//
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2011-05-12 13:35:06 +00:00
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2011-04-17 22:06:20 +00:00
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return 0;
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}
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NTSTATUS
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CUSBQueue::AddUSBRequest(
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IUSBRequest * Request)
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{
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2011-04-20 04:30:22 +00:00
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PQUEUE_HEAD QueueHead;
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2011-04-28 13:13:13 +00:00
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NTSTATUS Status;
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ULONG Type;
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2011-05-12 13:35:06 +00:00
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KIRQL OldLevel;
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2011-04-28 13:13:13 +00:00
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//
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// sanity check
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//
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2011-04-20 04:30:22 +00:00
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ASSERT(Request != NULL);
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2011-04-28 13:13:13 +00:00
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//
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// get request type
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//
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Type = Request->GetTransferType();
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2011-04-20 04:30:22 +00:00
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//
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2011-04-28 13:13:13 +00:00
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// check if supported
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2011-04-20 04:30:22 +00:00
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//
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2011-04-28 13:13:13 +00:00
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switch(Type)
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{
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case USB_ENDPOINT_TYPE_ISOCHRONOUS:
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case USB_ENDPOINT_TYPE_INTERRUPT:
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/* NOT IMPLEMENTED IN QUEUE */
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Status = STATUS_NOT_SUPPORTED;
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break;
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case USB_ENDPOINT_TYPE_BULK:
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case USB_ENDPOINT_TYPE_CONTROL:
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Status = STATUS_SUCCESS;
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break;
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default:
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/* BUG */
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PC_ASSERT(FALSE);
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2011-05-04 12:09:07 +00:00
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Status = STATUS_NOT_SUPPORTED;
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2011-04-28 13:13:13 +00:00
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}
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//
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// check for success
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//
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if (!NT_SUCCESS(Status))
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{
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//
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// request not supported, please try later
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//
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return Status;
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}
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if (Type == USB_ENDPOINT_TYPE_BULK || Type == USB_ENDPOINT_TYPE_CONTROL)
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{
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//
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// get queue head
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//
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Status = Request->GetQueueHead(&QueueHead);
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//
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// check for success
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//
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if (!NT_SUCCESS(Status))
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{
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//
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// failed to get queue head
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//
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return Status;
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}
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2011-04-30 18:46:10 +00:00
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DPRINT("Request %p QueueHead %p inserted into AsyncQueue\n", Request, QueueHead);
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2011-04-28 13:13:13 +00:00
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//
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// Add it to the pending list
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//
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2012-01-23 15:49:43 +00:00
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KeAcquireSpinLock(m_Lock, &OldLevel);
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2011-04-28 15:16:33 +00:00
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LinkQueueHead(AsyncListQueueHead, QueueHead);
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2012-01-23 15:49:43 +00:00
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KeReleaseSpinLock(m_Lock, OldLevel);
|
2012-01-29 17:30:31 +00:00
|
|
|
|
2011-04-28 13:13:13 +00:00
|
|
|
}
|
|
|
|
|
2011-04-20 04:30:22 +00:00
|
|
|
|
2011-04-23 19:36:23 +00:00
|
|
|
//
|
|
|
|
// add extra reference which is released when the request is completed
|
|
|
|
//
|
|
|
|
Request->AddRef();
|
|
|
|
|
2011-04-28 13:13:13 +00:00
|
|
|
|
2011-04-20 04:30:22 +00:00
|
|
|
return STATUS_SUCCESS;
|
2011-04-17 22:06:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
CUSBQueue::AddUSBRequest(
|
|
|
|
PURB Urb)
|
|
|
|
{
|
|
|
|
UNIMPLEMENTED
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
CUSBQueue::CancelRequests()
|
|
|
|
{
|
|
|
|
UNIMPLEMENTED
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
CUSBQueue::CreateUSBRequest(
|
|
|
|
IUSBRequest **OutRequest)
|
|
|
|
{
|
2011-04-20 04:30:22 +00:00
|
|
|
PUSBREQUEST UsbRequest;
|
|
|
|
NTSTATUS Status;
|
|
|
|
|
|
|
|
*OutRequest = NULL;
|
|
|
|
Status = InternalCreateUSBRequest(&UsbRequest);
|
2011-05-12 13:35:06 +00:00
|
|
|
|
2011-04-20 04:30:22 +00:00
|
|
|
if (NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
*OutRequest = UsbRequest;
|
|
|
|
}
|
2011-05-12 13:35:06 +00:00
|
|
|
|
2011-04-20 04:30:22 +00:00
|
|
|
return Status;
|
2011-04-17 22:06:20 +00:00
|
|
|
}
|
|
|
|
|
2011-04-18 11:34:02 +00:00
|
|
|
//
|
|
|
|
// LinkQueueHead - Links one QueueHead to the end of HeadQueueHead list, updating HorizontalLinkPointer.
|
|
|
|
//
|
|
|
|
VOID
|
|
|
|
CUSBQueue::LinkQueueHead(
|
|
|
|
PQUEUE_HEAD HeadQueueHead,
|
|
|
|
PQUEUE_HEAD NewQueueHead)
|
|
|
|
{
|
|
|
|
PQUEUE_HEAD LastQueueHead, NextQueueHead;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
ASSERT(HeadQueueHead);
|
|
|
|
ASSERT(NewQueueHead);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Link the LIST_ENTRYs
|
|
|
|
//
|
2012-01-29 17:30:31 +00:00
|
|
|
ASSERT(IsListEmpty(&HeadQueueHead->LinkedQueueHeads));
|
2011-04-18 11:34:02 +00:00
|
|
|
InsertTailList(&HeadQueueHead->LinkedQueueHeads, &NewQueueHead->LinkedQueueHeads);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Update HLP for Previous QueueHead, which should be the last in list.
|
|
|
|
//
|
|
|
|
Entry = NewQueueHead->LinkedQueueHeads.Blink;
|
|
|
|
LastQueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
2012-01-29 17:30:31 +00:00
|
|
|
ASSERT(LastQueueHead == HeadQueueHead);
|
2011-04-18 11:34:02 +00:00
|
|
|
LastQueueHead->HorizontalLinkPointer = (NewQueueHead->PhysicalAddr | QH_TYPE_QH);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Update HLP for NewQueueHead to point to next, which should be the HeadQueueHead
|
|
|
|
//
|
|
|
|
Entry = NewQueueHead->LinkedQueueHeads.Flink;
|
|
|
|
NextQueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
ASSERT(NextQueueHead == HeadQueueHead);
|
2011-04-28 15:16:33 +00:00
|
|
|
NewQueueHead->HorizontalLinkPointer = (NextQueueHead->PhysicalAddr | QH_TYPE_QH);
|
2012-01-29 17:30:31 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// head queue head must be halted
|
|
|
|
//
|
|
|
|
PC_ASSERT(HeadQueueHead->Token.Bits.Halted == TRUE);
|
2011-04-18 11:34:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// UnlinkQueueHead - Unlinks one QueueHead, updating HorizontalLinkPointer.
|
|
|
|
//
|
|
|
|
VOID
|
|
|
|
CUSBQueue::UnlinkQueueHead(
|
|
|
|
PQUEUE_HEAD QueueHead)
|
|
|
|
{
|
|
|
|
PQUEUE_HEAD PreviousQH, NextQH;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// sanity check: there must be at least one queue head with halted bit set
|
|
|
|
//
|
|
|
|
PC_ASSERT(QueueHead->Token.Bits.Halted == 0);
|
|
|
|
|
|
|
|
//
|
|
|
|
// get previous link
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
Entry = QueueHead->LinkedQueueHeads.Blink;
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// get queue head structure
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
PreviousQH = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// get next link
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
Entry = QueueHead->LinkedQueueHeads.Flink;
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// get queue head structure
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
NextQH = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// sanity check
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
ASSERT(QueueHead->HorizontalLinkPointer == (NextQH->PhysicalAddr | QH_TYPE_QH));
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// remove queue head from linked list
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
PreviousQH->HorizontalLinkPointer = NextQH->PhysicalAddr | QH_TYPE_QH;
|
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// remove software link
|
|
|
|
//
|
2011-04-18 11:34:02 +00:00
|
|
|
RemoveEntryList(&QueueHead->LinkedQueueHeads);
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// LinkQueueHeadChain - Links a list of QueueHeads to the HeadQueueHead list, updating HorizontalLinkPointer.
|
|
|
|
//
|
|
|
|
VOID
|
|
|
|
CUSBQueue::LinkQueueHeadChain(
|
|
|
|
PQUEUE_HEAD HeadQueueHead,
|
|
|
|
PQUEUE_HEAD NewQueueHead)
|
|
|
|
{
|
|
|
|
PQUEUE_HEAD LastQueueHead;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
ASSERT(HeadQueueHead);
|
|
|
|
ASSERT(NewQueueHead);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Find the last QueueHead in NewQueueHead
|
|
|
|
//
|
|
|
|
Entry = NewQueueHead->LinkedQueueHeads.Blink;
|
|
|
|
ASSERT(Entry != NewQueueHead->LinkedQueueHeads.Flink);
|
|
|
|
LastQueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Set the LinkPointer and Flink
|
|
|
|
//
|
|
|
|
LastQueueHead->HorizontalLinkPointer = HeadQueueHead->PhysicalAddr | QH_TYPE_QH;
|
|
|
|
LastQueueHead->LinkedQueueHeads.Flink = &HeadQueueHead->LinkedQueueHeads;
|
|
|
|
|
|
|
|
//
|
|
|
|
// Fine the last QueueHead in HeadQueueHead
|
|
|
|
//
|
|
|
|
Entry = HeadQueueHead->LinkedQueueHeads.Blink;
|
|
|
|
HeadQueueHead->LinkedQueueHeads.Blink = &LastQueueHead->LinkedQueueHeads;
|
|
|
|
LastQueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
LastQueueHead->LinkedQueueHeads.Flink = &NewQueueHead->LinkedQueueHeads;
|
|
|
|
LastQueueHead->HorizontalLinkPointer = NewQueueHead->PhysicalAddr | QH_TYPE_QH;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// UnlinkQueueHeadChain - Unlinks a list number of QueueHeads from HeadQueueHead list, updating HorizontalLinkPointer.
|
|
|
|
// returns the chain of QueueHeads removed from HeadQueueHead.
|
|
|
|
//
|
|
|
|
PQUEUE_HEAD
|
|
|
|
CUSBQueue::UnlinkQueueHeadChain(
|
|
|
|
PQUEUE_HEAD HeadQueueHead,
|
|
|
|
ULONG Count)
|
|
|
|
{
|
|
|
|
PQUEUE_HEAD LastQueueHead, FirstQueueHead;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
ULONG Index;
|
|
|
|
|
|
|
|
//
|
|
|
|
// Find the last QueueHead in NewQueueHead
|
|
|
|
//
|
|
|
|
Entry = &HeadQueueHead->LinkedQueueHeads;
|
|
|
|
FirstQueueHead = CONTAINING_RECORD(Entry->Flink, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
|
|
|
|
for (Index = 0; Index < Count; Index++)
|
|
|
|
{
|
|
|
|
Entry = Entry->Flink;
|
|
|
|
|
|
|
|
if (Entry == &HeadQueueHead->LinkedQueueHeads)
|
|
|
|
{
|
|
|
|
DPRINT1("Warnnig; Only %d QueueHeads in HeadQueueHead\n", Index);
|
|
|
|
Count = Index + 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
LastQueueHead = CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
HeadQueueHead->LinkedQueueHeads.Flink = LastQueueHead->LinkedQueueHeads.Flink;
|
|
|
|
if (Count + 1 == Index)
|
|
|
|
{
|
|
|
|
HeadQueueHead->LinkedQueueHeads.Blink = &HeadQueueHead->LinkedQueueHeads;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
HeadQueueHead->LinkedQueueHeads.Blink = LastQueueHead->LinkedQueueHeads.Flink;
|
|
|
|
|
|
|
|
FirstQueueHead->LinkedQueueHeads.Blink = &LastQueueHead->LinkedQueueHeads;
|
|
|
|
LastQueueHead->LinkedQueueHeads.Flink = &FirstQueueHead->LinkedQueueHeads;
|
|
|
|
LastQueueHead->HorizontalLinkPointer = TERMINATE_POINTER;
|
|
|
|
return FirstQueueHead;
|
|
|
|
}
|
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
VOID
|
2011-04-23 19:36:23 +00:00
|
|
|
CUSBQueue::QueueHeadCompletion(
|
|
|
|
PQUEUE_HEAD CurrentQH,
|
|
|
|
NTSTATUS Status)
|
|
|
|
{
|
|
|
|
//
|
2011-04-30 17:44:43 +00:00
|
|
|
// now unlink the queue head
|
|
|
|
// FIXME: implement chained queue heads
|
2012-01-23 03:50:11 +00:00
|
|
|
// no need to acquire locks, as it is called with locks held
|
2011-04-23 19:36:23 +00:00
|
|
|
//
|
|
|
|
|
2012-01-23 03:50:11 +00:00
|
|
|
//
|
|
|
|
// unlink queue head
|
|
|
|
//
|
2011-05-12 13:35:06 +00:00
|
|
|
UnlinkQueueHead(CurrentQH);
|
2011-04-30 17:44:43 +00:00
|
|
|
|
2012-01-23 03:50:11 +00:00
|
|
|
//
|
|
|
|
// insert into completed list
|
|
|
|
//
|
2011-04-30 17:44:43 +00:00
|
|
|
InsertTailList(&m_CompletedRequestAsyncList, &CurrentQH->LinkedQueueHeads);
|
2011-04-27 16:23:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
VOID
|
|
|
|
CUSBQueue::ProcessAsyncList(
|
|
|
|
IN NTSTATUS Status,
|
|
|
|
OUT PULONG ShouldRingDoorBell)
|
|
|
|
{
|
|
|
|
KIRQL OldLevel;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
PQUEUE_HEAD QueueHead;
|
|
|
|
IUSBRequest * Request;
|
2011-04-30 17:44:43 +00:00
|
|
|
BOOLEAN IsQueueHeadComplete;
|
2011-04-23 19:36:23 +00:00
|
|
|
|
|
|
|
//
|
2011-04-27 16:23:42 +00:00
|
|
|
// lock completed async list
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeAcquireSpinLock(m_Lock, &OldLevel);
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// walk async list
|
|
|
|
//
|
2011-04-28 15:16:33 +00:00
|
|
|
Entry = AsyncListQueueHead->LinkedQueueHeads.Flink;
|
2011-04-27 16:23:42 +00:00
|
|
|
|
2011-04-28 15:16:33 +00:00
|
|
|
while(Entry != &AsyncListQueueHead->LinkedQueueHeads)
|
2011-04-27 16:23:42 +00:00
|
|
|
{
|
|
|
|
//
|
|
|
|
// get queue head structure
|
|
|
|
//
|
|
|
|
QueueHead = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
|
|
|
|
//
|
|
|
|
// sanity check
|
|
|
|
//
|
|
|
|
PC_ASSERT(QueueHead->Request);
|
|
|
|
|
|
|
|
//
|
|
|
|
// get IUSBRequest interface
|
|
|
|
//
|
|
|
|
Request = (IUSBRequest*)QueueHead->Request;
|
|
|
|
|
|
|
|
//
|
|
|
|
// move to next entry
|
|
|
|
//
|
|
|
|
Entry = Entry->Flink;
|
|
|
|
|
2011-04-30 17:44:43 +00:00
|
|
|
//
|
|
|
|
// check if queue head is complete
|
|
|
|
//
|
|
|
|
IsQueueHeadComplete = Request->IsQueueHeadComplete(QueueHead);
|
|
|
|
|
2011-04-30 18:46:10 +00:00
|
|
|
DPRINT("Request %p QueueHead %p Complete %d\n", Request, QueueHead, IsQueueHeadComplete);
|
2011-04-28 15:16:33 +00:00
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// check if queue head is complete
|
|
|
|
//
|
2011-04-30 17:44:43 +00:00
|
|
|
if (IsQueueHeadComplete)
|
2011-04-27 16:23:42 +00:00
|
|
|
{
|
|
|
|
//
|
|
|
|
// current queue head is complete
|
|
|
|
//
|
|
|
|
QueueHeadCompletion(QueueHead, Status);
|
|
|
|
|
|
|
|
//
|
|
|
|
// ring door bell is going to be necessary
|
|
|
|
//
|
|
|
|
*ShouldRingDoorBell = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// release lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeReleaseSpinLock(m_Lock, OldLevel);
|
2011-04-27 16:23:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
VOID
|
|
|
|
CUSBQueue::InterruptCallback(
|
|
|
|
IN NTSTATUS Status,
|
|
|
|
OUT PULONG ShouldRingDoorBell)
|
|
|
|
{
|
2011-04-28 15:16:33 +00:00
|
|
|
|
2011-04-30 18:46:10 +00:00
|
|
|
DPRINT("CUSBQueue::InterruptCallback\n");
|
2011-04-28 15:16:33 +00:00
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// iterate asynchronous list
|
|
|
|
//
|
|
|
|
*ShouldRingDoorBell = FALSE;
|
|
|
|
ProcessAsyncList(Status, ShouldRingDoorBell);
|
|
|
|
|
|
|
|
//
|
|
|
|
// TODO: implement periodic schedule processing
|
2011-04-23 19:36:23 +00:00
|
|
|
//
|
|
|
|
}
|
|
|
|
|
|
|
|
VOID
|
|
|
|
CUSBQueue::QueueHeadCleanup(
|
|
|
|
PQUEUE_HEAD CurrentQH)
|
|
|
|
{
|
2011-05-12 13:35:06 +00:00
|
|
|
PQUEUE_HEAD NewQueueHead;
|
2011-04-23 19:36:23 +00:00
|
|
|
IUSBRequest * Request;
|
|
|
|
BOOLEAN ShouldReleaseWhenDone;
|
2011-04-30 17:44:43 +00:00
|
|
|
USBD_STATUS UrbStatus;
|
2012-01-23 04:22:11 +00:00
|
|
|
KIRQL OldLevel;
|
2011-04-23 19:36:23 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// sanity checks
|
|
|
|
//
|
|
|
|
PC_ASSERT(CurrentQH->Token.Bits.Active == 0);
|
|
|
|
PC_ASSERT(CurrentQH->Request);
|
|
|
|
|
2011-04-30 17:44:43 +00:00
|
|
|
|
2011-04-23 19:36:23 +00:00
|
|
|
//
|
|
|
|
// get request
|
|
|
|
//
|
|
|
|
Request = (IUSBRequest*)CurrentQH->Request;
|
|
|
|
|
2011-04-30 17:44:43 +00:00
|
|
|
//
|
|
|
|
// sanity check
|
|
|
|
//
|
|
|
|
PC_ASSERT(Request);
|
|
|
|
|
|
|
|
//
|
|
|
|
// check if the queue head was completed with errors
|
|
|
|
//
|
|
|
|
if (CurrentQH->Token.Bits.Halted)
|
|
|
|
{
|
|
|
|
if (CurrentQH->Token.Bits.DataBufferError)
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// data buffer error
|
|
|
|
//
|
|
|
|
UrbStatus = USBD_STATUS_DATA_BUFFER_ERROR;
|
|
|
|
}
|
|
|
|
else if (CurrentQH->Token.Bits.BabbleDetected)
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// babble detected
|
|
|
|
//
|
|
|
|
UrbStatus = USBD_STATUS_BABBLE_DETECTED;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// stall pid
|
|
|
|
//
|
|
|
|
UrbStatus = USBD_STATUS_STALL_PID;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// well done ;)
|
|
|
|
//
|
|
|
|
UrbStatus = USBD_STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
2011-05-12 13:35:06 +00:00
|
|
|
// Check if the transfer was completed and if UrbStatus is ok
|
2011-04-30 17:44:43 +00:00
|
|
|
//
|
2011-05-12 13:35:06 +00:00
|
|
|
if ((Request->IsRequestComplete() == FALSE) && (UrbStatus == USBD_STATUS_SUCCESS))
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// let IUSBRequest free the queue head
|
|
|
|
//
|
|
|
|
Request->FreeQueueHead(CurrentQH);
|
|
|
|
|
|
|
|
//
|
|
|
|
// request is incomplete, get new queue head
|
|
|
|
//
|
|
|
|
if (Request->GetQueueHead(&NewQueueHead) == STATUS_SUCCESS)
|
|
|
|
{
|
2012-01-23 04:22:11 +00:00
|
|
|
//
|
|
|
|
// first acquire request lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeAcquireSpinLock(m_Lock, &OldLevel);
|
2012-01-23 04:22:11 +00:00
|
|
|
|
2011-05-12 13:35:06 +00:00
|
|
|
//
|
|
|
|
// add to pending list
|
|
|
|
//
|
|
|
|
InsertTailList(&m_PendingRequestAsyncList, &NewQueueHead->LinkedQueueHeads);
|
|
|
|
|
2012-01-23 04:22:11 +00:00
|
|
|
//
|
|
|
|
// release queue head
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeReleaseSpinLock(m_Lock, OldLevel);
|
2012-01-23 04:22:11 +00:00
|
|
|
|
2011-05-12 13:35:06 +00:00
|
|
|
//
|
|
|
|
// Done for now
|
|
|
|
//
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
DPRINT1("Unable to create a new QueueHead\n");
|
|
|
|
PC_ASSERT(FALSE);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Else there was a problem
|
|
|
|
// FIXME: Find better return
|
|
|
|
UrbStatus = USBD_STATUS_INSUFFICIENT_RESOURCES;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (UrbStatus != USBD_STATUS_SUCCESS) PC_ASSERT(FALSE);
|
|
|
|
|
|
|
|
//
|
|
|
|
// notify request that a transfer has completed
|
|
|
|
//
|
|
|
|
Request->CompletionCallback(UrbStatus != USBD_STATUS_SUCCESS ? STATUS_UNSUCCESSFUL : STATUS_SUCCESS,
|
|
|
|
UrbStatus,
|
|
|
|
CurrentQH);
|
2011-04-30 17:44:43 +00:00
|
|
|
|
2011-04-23 19:36:23 +00:00
|
|
|
//
|
|
|
|
// let IUSBRequest free the queue head
|
|
|
|
//
|
|
|
|
Request->FreeQueueHead(CurrentQH);
|
|
|
|
|
|
|
|
//
|
|
|
|
// check if we should release request when done
|
|
|
|
//
|
|
|
|
ShouldReleaseWhenDone = Request->ShouldReleaseRequestAfterCompletion();
|
|
|
|
|
|
|
|
//
|
|
|
|
// release reference when the request was added
|
|
|
|
//
|
|
|
|
Request->Release();
|
|
|
|
|
|
|
|
//
|
|
|
|
// check if the operation was asynchronous
|
|
|
|
//
|
|
|
|
if (ShouldReleaseWhenDone)
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// release outstanding reference count
|
|
|
|
//
|
|
|
|
Request->Release();
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// request is now released
|
|
|
|
//
|
|
|
|
}
|
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
VOID
|
|
|
|
CUSBQueue::CompleteAsyncRequests()
|
|
|
|
{
|
|
|
|
KIRQL OldLevel;
|
|
|
|
PLIST_ENTRY Entry;
|
|
|
|
PQUEUE_HEAD CurrentQH;
|
2011-05-12 13:35:06 +00:00
|
|
|
IUSBRequest *Request;
|
2011-04-27 16:23:42 +00:00
|
|
|
|
2011-04-30 18:46:10 +00:00
|
|
|
DPRINT("CUSBQueue::CompleteAsyncRequests\n");
|
2011-04-28 15:16:33 +00:00
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// first acquire request lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeAcquireSpinLock(m_Lock, &OldLevel);
|
2011-04-27 16:23:42 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// the list should not be empty
|
|
|
|
//
|
|
|
|
PC_ASSERT(!IsListEmpty(&m_CompletedRequestAsyncList));
|
|
|
|
|
|
|
|
while(!IsListEmpty(&m_CompletedRequestAsyncList))
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// remove first entry
|
|
|
|
//
|
|
|
|
Entry = RemoveHeadList(&m_CompletedRequestAsyncList);
|
|
|
|
|
|
|
|
//
|
|
|
|
// get queue head structure
|
|
|
|
//
|
|
|
|
CurrentQH = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
|
2011-05-12 13:35:06 +00:00
|
|
|
//
|
|
|
|
// Get the Request for this QueueHead
|
|
|
|
//
|
|
|
|
Request = (IUSBRequest*) CurrentQH->Request;
|
|
|
|
|
2012-01-23 04:22:11 +00:00
|
|
|
//
|
|
|
|
// release lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeReleaseSpinLock(m_Lock, OldLevel);
|
2012-01-23 04:22:11 +00:00
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// complete request now
|
|
|
|
//
|
|
|
|
QueueHeadCleanup(CurrentQH);
|
2012-01-23 04:22:11 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// first acquire request lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeAcquireSpinLock(m_Lock, &OldLevel);
|
2011-04-27 16:23:42 +00:00
|
|
|
}
|
|
|
|
|
2011-04-30 17:44:43 +00:00
|
|
|
//
|
|
|
|
// is there a pending async entry
|
|
|
|
//
|
|
|
|
if (!IsListEmpty(&m_PendingRequestAsyncList))
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// remove first entry
|
|
|
|
//
|
2011-05-12 13:35:06 +00:00
|
|
|
Entry = RemoveHeadList(&m_PendingRequestAsyncList);
|
2011-04-30 17:44:43 +00:00
|
|
|
|
|
|
|
//
|
|
|
|
// get queue head structure
|
|
|
|
//
|
|
|
|
CurrentQH = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
|
|
|
|
|
|
|
|
//
|
2011-05-12 13:35:06 +00:00
|
|
|
// Add it to the AsyncList list
|
2011-04-30 17:44:43 +00:00
|
|
|
//
|
|
|
|
LinkQueueHead(AsyncListQueueHead, CurrentQH);
|
|
|
|
}
|
|
|
|
|
2011-04-27 16:23:42 +00:00
|
|
|
//
|
|
|
|
// release lock
|
|
|
|
//
|
2012-01-23 15:49:43 +00:00
|
|
|
KeReleaseSpinLock(m_Lock, OldLevel);
|
2011-04-27 16:23:42 +00:00
|
|
|
}
|
|
|
|
|
2011-04-17 22:06:20 +00:00
|
|
|
NTSTATUS
|
|
|
|
CreateUSBQueue(
|
|
|
|
PUSBQUEUE *OutUsbQueue)
|
|
|
|
{
|
|
|
|
PUSBQUEUE This;
|
|
|
|
|
|
|
|
//
|
|
|
|
// allocate controller
|
|
|
|
//
|
|
|
|
This = new(NonPagedPool, TAG_USBEHCI) CUSBQueue(0);
|
|
|
|
if (!This)
|
|
|
|
{
|
|
|
|
//
|
|
|
|
// failed to allocate
|
|
|
|
//
|
|
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// add reference count
|
|
|
|
//
|
|
|
|
This->AddRef();
|
|
|
|
|
|
|
|
//
|
|
|
|
// return result
|
|
|
|
//
|
|
|
|
*OutUsbQueue = (PUSBQUEUE)This;
|
|
|
|
|
|
|
|
//
|
|
|
|
// done
|
|
|
|
//
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
}
|