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[USBEHCI_NEW]
- Modify BuildBulkTransferQueueHead to support TransferBufferLengths larger than PAGE_SIZE * 5. - Acquire a SpinLock before adding QueueHeads to AsyncList and PendingList. - Dont request a new QueueHead for incomplete transfers in QueueHeadCompletion, as the memory for the just completed QueueHead has not been released yet. Doing so overwrites the m_TransferDescriptor[x] members with new address resulting in memory leaks. Instead request a new QueueHead after the QueueHead has been freed in QueueHeadCleanup. - Fix a bug where a QueueHead was removed from the m_CompletedRequestAsyncList instead of the m_PendingRequestAsyncList. - Temporary hackfix InternalCalculateTransferLength to return the TransferBufferLength. This hack will be removed as soon as possible. - With these changes the hub and ehci driver allow viewing content of and transfers to/from usb disks. svn path=/branches/usb-bringup/; revision=51684
This commit is contained in:
parent
8d98341ac8
commit
76310d7679
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@ -137,8 +137,7 @@ CUSBQueue::GetPendingRequestCount()
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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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return 0;
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}
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@ -149,6 +148,7 @@ CUSBQueue::AddUSBRequest(
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PQUEUE_HEAD QueueHead;
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NTSTATUS Status;
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ULONG Type;
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KIRQL OldLevel;
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//
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// sanity check
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@ -214,7 +214,9 @@ CUSBQueue::AddUSBRequest(
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//
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// Add it to the pending list
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//
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KeAcquireSpinLock(&m_Lock, &OldLevel);
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LinkQueueHead(AsyncListQueueHead, QueueHead);
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KeReleaseSpinLock(&m_Lock, OldLevel);
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}
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@ -251,12 +253,12 @@ CUSBQueue::CreateUSBRequest(
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*OutRequest = NULL;
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Status = InternalCreateUSBRequest(&UsbRequest);
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if (NT_SUCCESS(Status))
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{
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*OutRequest = UsbRequest;
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}
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return Status;
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}
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@ -432,42 +434,21 @@ CUSBQueue::QueueHeadCompletion(
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PQUEUE_HEAD CurrentQH,
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NTSTATUS Status)
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{
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IUSBRequest *Request;
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PQUEUE_HEAD NewQueueHead;
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KIRQL OldLevel;
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//
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// now unlink the queue head
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// FIXME: implement chained queue heads
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//
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KeAcquireSpinLock(&m_Lock, &OldLevel);
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UnlinkQueueHead(CurrentQH);
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//
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// get contained usb request
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//
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Request = (IUSBRequest*)CurrentQH->Request;
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//
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// check if the request is complete
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//
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if (Request->IsRequestComplete() == FALSE)
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{
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//
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// request is still in complete
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// get new queue head
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//
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Status = Request->GetQueueHead(&NewQueueHead);
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//
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// add to pending list
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//
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InsertTailList(&m_PendingRequestAsyncList, &NewQueueHead->LinkedQueueHeads);
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}
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//
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// put queue head into completed queue head list
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//
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InsertTailList(&m_CompletedRequestAsyncList, &CurrentQH->LinkedQueueHeads);
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KeReleaseSpinLock(&m_Lock, OldLevel);
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}
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VOID
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@ -508,7 +489,6 @@ CUSBQueue::ProcessAsyncList(
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//
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Request = (IUSBRequest*)QueueHead->Request;
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//
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// move to next entry
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//
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@ -568,6 +548,7 @@ VOID
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CUSBQueue::QueueHeadCleanup(
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PQUEUE_HEAD CurrentQH)
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{
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PQUEUE_HEAD NewQueueHead;
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IUSBRequest * Request;
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BOOLEAN ShouldReleaseWhenDone;
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USBD_STATUS UrbStatus;
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@ -625,9 +606,47 @@ CUSBQueue::QueueHeadCleanup(
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}
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//
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// notify request that a queue head has been completed
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// Check if the transfer was completed and if UrbStatus is ok
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//
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Request->CompletionCallback(STATUS_SUCCESS /*FIXME*/, UrbStatus, CurrentQH);
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if ((Request->IsRequestComplete() == FALSE) && (UrbStatus == USBD_STATUS_SUCCESS))
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{
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//
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// let IUSBRequest free the queue head
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//
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Request->FreeQueueHead(CurrentQH);
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//
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// request is incomplete, get new queue head
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//
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if (Request->GetQueueHead(&NewQueueHead) == STATUS_SUCCESS)
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{
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//
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// add to pending list
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//
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InsertTailList(&m_PendingRequestAsyncList, &NewQueueHead->LinkedQueueHeads);
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//
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// Done for now
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//
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return;
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}
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DPRINT1("Unable to create a new QueueHead\n");
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PC_ASSERT(FALSE);
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//
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// Else there was a problem
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// FIXME: Find better return
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UrbStatus = USBD_STATUS_INSUFFICIENT_RESOURCES;
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}
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if (UrbStatus != USBD_STATUS_SUCCESS) PC_ASSERT(FALSE);
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//
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// notify request that a transfer has completed
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//
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Request->CompletionCallback(UrbStatus != USBD_STATUS_SUCCESS ? STATUS_UNSUCCESSFUL : STATUS_SUCCESS,
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UrbStatus,
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CurrentQH);
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//
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// let IUSBRequest free the queue head
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@ -666,6 +685,7 @@ CUSBQueue::CompleteAsyncRequests()
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KIRQL OldLevel;
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PLIST_ENTRY Entry;
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PQUEUE_HEAD CurrentQH;
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IUSBRequest *Request;
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DPRINT("CUSBQueue::CompleteAsyncRequests\n");
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@ -691,6 +711,11 @@ CUSBQueue::CompleteAsyncRequests()
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//
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CurrentQH = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
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//
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// Get the Request for this QueueHead
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//
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Request = (IUSBRequest*) CurrentQH->Request;
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//
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// complete request now
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//
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@ -705,7 +730,7 @@ CUSBQueue::CompleteAsyncRequests()
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//
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// remove first entry
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//
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Entry = RemoveHeadList(&m_CompletedRequestAsyncList);
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Entry = RemoveHeadList(&m_PendingRequestAsyncList);
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//
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// get queue head structure
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@ -713,7 +738,7 @@ CUSBQueue::CompleteAsyncRequests()
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CurrentQH = (PQUEUE_HEAD)CONTAINING_RECORD(Entry, QUEUE_HEAD, LinkedQueueHeads);
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//
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// Add it to the pending list
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// Add it to the AsyncList list
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//
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LinkQueueHead(AsyncListQueueHead, CurrentQH);
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}
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@ -85,6 +85,16 @@ protected:
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//
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ULONG m_TransferBufferLength;
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//
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// current transfer length
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//
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ULONG m_TransferBufferLengthCompleted;
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//
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// Total Transfer Length
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//
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ULONG m_TotalBytesTransferred;
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//
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// transfer buffer MDL
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//
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@ -169,6 +179,12 @@ CUSBRequest::InitializeWithSetupPacket(
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m_TransferBufferMDL = TransferBuffer;
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m_DeviceAddress = DeviceAddress;
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m_EndpointDescriptor = EndpointDescriptor;
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m_TotalBytesTransferred = 0;
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//
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// Set Length Completed to 0
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//
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m_TransferBufferLengthCompleted = 0;
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//
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// allocate completion event
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@ -208,6 +224,7 @@ CUSBRequest::InitializeWithIrp(
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PC_ASSERT(Irp);
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m_DmaManager = DmaManager;
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m_TotalBytesTransferred = 0;
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//
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// get current irp stack location
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@ -244,7 +261,7 @@ CUSBRequest::InitializeWithIrp(
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case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
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{
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//
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// bulk / interrupt transfer
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// bulk interrupt transfer
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//
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if (Urb->UrbBulkOrInterruptTransfer.TransferBufferLength)
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{
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@ -281,6 +298,10 @@ CUSBRequest::InitializeWithIrp(
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// FIXME: Does hub driver already do this when passing MDL?
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//
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MmBuildMdlForNonPagedPool(m_TransferBufferMDL);
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//
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// Keep that ehci created the MDL and needs to free it.
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//
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}
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else
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{
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@ -292,6 +313,11 @@ CUSBRequest::InitializeWithIrp(
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//
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m_TransferBufferLength = Urb->UrbBulkOrInterruptTransfer.TransferBufferLength;
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//
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// Set Length Completed to 0
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//
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m_TransferBufferLengthCompleted = 0;
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//
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// get endpoint descriptor
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//
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@ -357,7 +383,6 @@ CUSBRequest::CompletionCallback(
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//
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// Check if the MDL was created
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//
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if (!Urb->UrbBulkOrInterruptTransfer.TransferBufferMDL)
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{
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//
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@ -439,6 +464,7 @@ CUSBRequest::CancelCallback(
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//
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// store urb status
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//
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DPRINT1("Request Cancelled\n");
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Urb->UrbHeader.Status = USBD_STATUS_CANCELED;
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Urb->UrbHeader.Length = 0;
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@ -521,6 +547,18 @@ CUSBRequest::IsRequestComplete()
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//
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// FIXME: check if request was split
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//
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//
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// Check if the transfer was completed, only valid for Bulk Transfers
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//
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if ((m_TransferBufferLengthCompleted < m_TransferBufferLength)
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&& (GetTransferType() == USB_ENDPOINT_TYPE_BULK))
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{
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//
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// Transfer not completed
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//
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return FALSE;
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}
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return TRUE;
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}
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//----------------------------------------------------------------------------------------
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@ -642,7 +680,7 @@ CUSBRequest::BuildControlTransferQueueHead(
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// now initialize the queue head
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//
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QueueHead->EndPointCharacteristics.DeviceAddress = GetDeviceAddress();
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if (m_EndpointDescriptor)
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{
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//
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@ -751,7 +789,7 @@ CUSBRequest::BuildBulkTransferQueueHead(
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ULONG TransferDescriptorCount, Index;
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ULONG BytesAvailable, BufferIndex;
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PVOID Base;
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ULONG PageOffset;
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ULONG PageOffset, CurrentTransferBufferLength;
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//
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// Allocate the queue head
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@ -770,24 +808,59 @@ CUSBRequest::BuildBulkTransferQueueHead(
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// sanity checks
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//
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PC_ASSERT(QueueHead);
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//
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// FIXME: support more than one descriptor
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//
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PC_ASSERT(m_TransferBufferLength < PAGE_SIZE * 5);
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PC_ASSERT(m_TransferBufferLength);
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TransferDescriptorCount = 1;
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//
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// Max default of 3 descriptors
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//
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TransferDescriptorCount = 3;
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//
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// get virtual base of mdl
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//
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Base = MmGetSystemAddressForMdlSafe(m_TransferBufferMDL, NormalPagePriority);
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BytesAvailable = m_TransferBufferLength;
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//
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// Increase the size of last transfer, 0 in case this is the first
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//
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Base = (PVOID)((ULONG_PTR)Base + m_TransferBufferLengthCompleted);
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PC_ASSERT(m_EndpointDescriptor);
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PC_ASSERT(Base);
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//
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// Get the offset from page size
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//
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PageOffset = BYTE_OFFSET(Base);
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//
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// PageOffset should only be > 0 if this is the first transfer for this requests
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//
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if ((PageOffset != 0) && (m_TransferBufferLengthCompleted != 0))
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{
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ASSERT(FALSE);
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}
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//
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// Calculate the size of this transfer
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//
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if ((PageOffset != 0) && ((m_TransferBufferLength - m_TransferBufferLengthCompleted) >= (PAGE_SIZE * 4) + PageOffset))
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{
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CurrentTransferBufferLength = (PAGE_SIZE * 4) + PageOffset;
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}
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else if ((m_TransferBufferLength - m_TransferBufferLengthCompleted) >= PAGE_SIZE * 5)
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{
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CurrentTransferBufferLength = PAGE_SIZE * 5;
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}
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else
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CurrentTransferBufferLength = (m_TransferBufferLength - m_TransferBufferLengthCompleted);
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//
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// Add current transfer length to transfer length completed
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//
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m_TransferBufferLengthCompleted += CurrentTransferBufferLength;
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BytesAvailable = CurrentTransferBufferLength;
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DPRINT("CurrentTransferBufferLength %x, m_TransferBufferLengthCompleted %x\n", CurrentTransferBufferLength, m_TransferBufferLengthCompleted);
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DPRINT("EndPointAddress %x\n", m_EndpointDescriptor->bEndpointAddress);
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DPRINT("EndPointDirection %x\n", USB_ENDPOINT_DIRECTION_IN(m_EndpointDescriptor->bEndpointAddress));
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@ -833,9 +906,9 @@ CUSBRequest::BuildBulkTransferQueueHead(
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for(BufferIndex = 0; BufferIndex < 5; BufferIndex++)
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{
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//
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// setup buffer
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// If this is the first buffer of the first descriptor and there is a PageOffset
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//
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if (BufferIndex == 0)
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if ((BufferIndex == 0) && (PageOffset != 0) && (Index == 0))
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{
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//
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// use physical address
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@ -843,45 +916,25 @@ CUSBRequest::BuildBulkTransferQueueHead(
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m_TransferDescriptors[Index]->BufferPointer[0] = MmGetPhysicalAddress(Base).LowPart;
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//
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// get offset within page
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// move to next page
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//
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PageOffset = BYTE_OFFSET(m_TransferDescriptors[Index]->BufferPointer[0]);
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Base = (PVOID)ROUND_TO_PAGES(Base);
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//
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// check if request fills another page
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// increment transfer bytes
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//
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if (PageOffset + BytesAvailable > PAGE_SIZE)
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{
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//
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// move to next page
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//
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Base = (PVOID)ROUND_TO_PAGES(Base);
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//
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// increment transfer bytes
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//
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if (CurrentTransferBufferLength > PAGE_SIZE - PageOffset)
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m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer = PAGE_SIZE - PageOffset;
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else
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m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer = CurrentTransferBufferLength;
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//
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// decrement available byte count
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//
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BytesAvailable -= m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer;
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//
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// decrement available byte count
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//
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BytesAvailable -= m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer;
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DPRINT("TransferDescriptor %p BufferPointer %p BufferIndex %lu TotalBytes %lu Remaining %lu\n", m_TransferDescriptors[Index], m_TransferDescriptors[Index]->BufferPointer[BufferIndex],
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BufferIndex, m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer, BytesAvailable);
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}
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else
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{
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//
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// request ends on the first buffer page
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//
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m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer = BytesAvailable;
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BytesAvailable = 0;
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DPRINT("TransferDescriptor %p BufferPointer %p BufferIndex %lu TotalBytes %lu Remaining %lu\n", m_TransferDescriptors[Index], m_TransferDescriptors[Index]->BufferPointer[BufferIndex],
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BufferIndex, m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer, BytesAvailable);
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break;
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}
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DPRINT("TransferDescriptor %p BufferPointer %p BufferIndex %lu TotalBytes %lu Remaining %lu\n", m_TransferDescriptors[Index], m_TransferDescriptors[Index]->BufferPointer[BufferIndex],
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BufferIndex, m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer, BytesAvailable);
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}
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else
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{
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@ -935,7 +988,7 @@ CUSBRequest::BuildBulkTransferQueueHead(
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BytesAvailable -= BytesAvailable;
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//
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// done
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// done as this is the last partial or full page
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//
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DPRINT("TransferDescriptor %p BufferPointer %p BufferIndex %lu TotalBytes %lu Remaining %lu\n", m_TransferDescriptors[Index], m_TransferDescriptors[Index]->BufferPointer[BufferIndex],
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BufferIndex, m_TransferDescriptors[Index]->Token.Bits.TotalBytesToTransfer, BytesAvailable);
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@ -943,6 +996,12 @@ CUSBRequest::BuildBulkTransferQueueHead(
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break;
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}
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}
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//
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// Check if all bytes have been consumed
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//
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if (BytesAvailable == 0)
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break;
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}
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//
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|
@ -971,6 +1030,12 @@ CUSBRequest::BuildBulkTransferQueueHead(
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//
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// FIXME need dead queue transfer descriptor?
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//
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//
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// Check if all bytes have been consumed
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//
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if (BytesAvailable == 0)
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break;
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}
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//
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|
@ -982,7 +1047,7 @@ CUSBRequest::BuildBulkTransferQueueHead(
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// Initialize the QueueHead
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//
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QueueHead->EndPointCharacteristics.DeviceAddress = GetDeviceAddress();
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if (m_EndpointDescriptor)
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{
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//
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|
@ -1440,10 +1505,12 @@ VOID
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CUSBRequest::FreeQueueHead(
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IN struct _QUEUE_HEAD * QueueHead)
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{
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LONG DescriptorCount;
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|
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//
|
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// FIXME: support chained queue heads
|
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//
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PC_ASSERT(QueueHead == m_QueueHead);
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//PC_ASSERT(QueueHead == m_QueueHead);
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||||
//
|
||||
// release queue head
|
||||
|
@ -1458,32 +1525,40 @@ CUSBRequest::FreeQueueHead(
|
|||
//
|
||||
// release transfer descriptors
|
||||
//
|
||||
|
||||
if (m_TransferDescriptors[0])
|
||||
for (DescriptorCount = 0; DescriptorCount < 3; DescriptorCount++)
|
||||
{
|
||||
//
|
||||
// release transfer descriptors
|
||||
//
|
||||
m_DmaManager->Release(m_TransferDescriptors[0], sizeof(QUEUE_TRANSFER_DESCRIPTOR));
|
||||
m_TransferDescriptors[0] = 0;
|
||||
}
|
||||
if (m_TransferDescriptors[DescriptorCount])
|
||||
{
|
||||
//
|
||||
// Calculate Total Bytes Transferred
|
||||
// FIXME: Is this the correct method of determine bytes transferred?
|
||||
//
|
||||
if (USB_ENDPOINT_TYPE_BULK == GetTransferType())
|
||||
{
|
||||
//
|
||||
// sanity check
|
||||
//
|
||||
ASSERT(m_EndpointDescriptor);
|
||||
|
||||
if (m_TransferDescriptors[1])
|
||||
{
|
||||
//
|
||||
// release transfer descriptors
|
||||
//
|
||||
m_DmaManager->Release(m_TransferDescriptors[1], sizeof(QUEUE_TRANSFER_DESCRIPTOR));
|
||||
m_TransferDescriptors[1] = 0;
|
||||
}
|
||||
if (USB_ENDPOINT_DIRECTION_IN(m_EndpointDescriptor->bEndpointAddress))
|
||||
{
|
||||
DPRINT1("m_TotalBytesTransferred %x, %x - %x\n",
|
||||
m_TotalBytesTransferred,
|
||||
m_TransferDescriptors[DescriptorCount]->TotalBytesToTransfer,
|
||||
m_TransferDescriptors[DescriptorCount]->Token.Bits.TotalBytesToTransfer);
|
||||
|
||||
if (m_TransferDescriptors[2])
|
||||
{
|
||||
//
|
||||
// release transfer descriptors
|
||||
//
|
||||
m_DmaManager->Release(m_TransferDescriptors[2], sizeof(QUEUE_TRANSFER_DESCRIPTOR));
|
||||
m_TransferDescriptors[2] = 0;
|
||||
m_TotalBytesTransferred +=
|
||||
m_TransferDescriptors[DescriptorCount]->TotalBytesToTransfer -
|
||||
m_TransferDescriptors[DescriptorCount]->Token.Bits.TotalBytesToTransfer;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// release transfer descriptors
|
||||
//
|
||||
m_DmaManager->Release(m_TransferDescriptors[DescriptorCount], sizeof(QUEUE_TRANSFER_DESCRIPTOR));
|
||||
m_TransferDescriptors[DescriptorCount] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (m_DescriptorPacket)
|
||||
|
@ -1573,8 +1648,9 @@ CUSBRequest::InternalCalculateTransferLength()
|
|||
{
|
||||
//
|
||||
// bulk in request
|
||||
// HACK: Properly determine transfer length
|
||||
//
|
||||
return m_TransferDescriptors[0]->TotalBytesToTransfer - m_TransferDescriptors[0]->Token.Bits.TotalBytesToTransfer;
|
||||
return m_TransferBufferLength;//m_TotalBytesTransferred;
|
||||
}
|
||||
|
||||
//
|
||||
|
|
Loading…
Reference in a new issue