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reactos/drivers/usb/usbport/endpoint.c

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/*
* PROJECT: ReactOS USB Port Driver
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: USBPort endpoint functions
* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
*/
#include "usbport.h"
#define NDEBUG
#include <debug.h>
#define NDEBUG_USBPORT_CORE
#include "usbdebug.h"
ULONG
NTAPI
USBPORT_CalculateUsbBandwidth(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
ULONG Bandwidth;
ULONG Overhead;
DPRINT("USBPORT_CalculateUsbBandwidth ... \n");
EndpointProperties = &Endpoint->EndpointProperties;
switch (EndpointProperties->TransferType)
{
case USBPORT_TRANSFER_TYPE_ISOCHRONOUS:
Overhead = USB2_FS_ISOCHRONOUS_OVERHEAD;
break;
case USBPORT_TRANSFER_TYPE_INTERRUPT:
Overhead = USB2_FS_INTERRUPT_OVERHEAD;
break;
default: //USBPORT_TRANSFER_TYPE_CONTROL or USBPORT_TRANSFER_TYPE_BULK
Overhead = 0;
break;
}
if (Overhead == 0)
{
Bandwidth = 0;
}
else
{
Bandwidth = (EndpointProperties->TotalMaxPacketSize + Overhead) * 8 * 7 / 6;
}
if (EndpointProperties->DeviceSpeed == UsbLowSpeed)
{
Bandwidth *= 8;
}
return Bandwidth;
}
BOOLEAN
NTAPI
USBPORT_AllocateBandwidth(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
ULONG TransferType;
ULONG TotalBusBandwidth;
ULONG EndpointBandwidth;
ULONG MinBandwidth;
PULONG Bandwidth;
ULONG MaxBandwidth = 0;
ULONG ix;
ULONG Offset;
LONG ScheduleOffset = -1;
ULONG Period;
ULONG Factor;
UCHAR Bit;
DPRINT("USBPORT_AllocateBandwidth: FdoDevice - %p, Endpoint - %p\n",
FdoDevice,
Endpoint);
FdoExtension = FdoDevice->DeviceExtension;
EndpointProperties = &Endpoint->EndpointProperties;
TransferType = EndpointProperties->TransferType;
if (TransferType == USBPORT_TRANSFER_TYPE_BULK ||
TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0)
{
EndpointProperties->ScheduleOffset = 0;
return TRUE;
}
TotalBusBandwidth = FdoExtension->TotalBusBandwidth;
EndpointBandwidth = EndpointProperties->UsbBandwidth;
Period = EndpointProperties->Period;
Factor = USB2_FRAMES / Period;
ASSERT(Factor);
for (Offset = 0; Offset < Period; Offset++)
{
MinBandwidth = TotalBusBandwidth;
Bandwidth = &FdoExtension->Bandwidth[Offset * Factor];
for (ix = 1; *Bandwidth >= EndpointBandwidth; ix++)
{
if (MinBandwidth > *Bandwidth)
{
MinBandwidth = *Bandwidth;
}
Bandwidth++;
if (Factor <= ix)
{
if (MinBandwidth > MaxBandwidth)
{
MaxBandwidth = MinBandwidth;
ScheduleOffset = Offset;
DPRINT("USBPORT_AllocateBandwidth: ScheduleOffset - %X\n",
ScheduleOffset);
}
break;
}
}
}
DPRINT("USBPORT_AllocateBandwidth: ScheduleOffset - %X\n", ScheduleOffset);
if (ScheduleOffset != -1)
{
EndpointProperties->ScheduleOffset = ScheduleOffset;
Bandwidth = &FdoExtension->Bandwidth[ScheduleOffset * Factor];
for (Factor = USB2_FRAMES / Period; Factor; Factor--)
{
FdoExtension->Bandwidth[ScheduleOffset * Factor] -= EndpointBandwidth;
}
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
for (Bit = 0x80; Bit != 0; Bit >>= 1)
{
if ((Period & Bit) != 0)
{
Period = Bit;
break;
}
}
DPRINT("USBPORT_AllocateBandwidth: FIXME AllocedInterrupt_XXms\n");
}
else
{
DPRINT("USBPORT_AllocateBandwidth: FIXME AllocedIso\n");
}
}
DPRINT("USBPORT_AllocateBandwidth: FIXME USBPORT_UpdateAllocatedBw\n");
DPRINT("USBPORT_AllocateBandwidth: ScheduleOffset - %X\n", ScheduleOffset);
return ScheduleOffset != -1;
}
VOID
NTAPI
USBPORT_FreeBandwidth(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
ULONG TransferType;
ULONG Offset;
ULONG EndpointBandwidth;
ULONG Period;
ULONG Factor;
UCHAR Bit;
DPRINT("USBPORT_FreeBandwidth: FdoDevice - %p, Endpoint - %p\n",
FdoDevice,
Endpoint);
FdoExtension = FdoDevice->DeviceExtension;
EndpointProperties = &Endpoint->EndpointProperties;
TransferType = EndpointProperties->TransferType;
if (TransferType == USBPORT_TRANSFER_TYPE_BULK ||
TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
(Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0))
{
return;
}
Offset = Endpoint->EndpointProperties.ScheduleOffset;
EndpointBandwidth = Endpoint->EndpointProperties.UsbBandwidth;
Period = Endpoint->EndpointProperties.Period;
ASSERT(USB2_FRAMES / Period);
for (Factor = USB2_FRAMES / Period; Factor; Factor--)
{
FdoExtension->Bandwidth[Offset * Factor] += EndpointBandwidth;
}
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
for (Bit = 0x80; Bit != 0; Bit >>= 1)
{
if ((Period & Bit) != 0)
{
Period = Bit;
break;
}
}
ASSERT(Period != 0);
DPRINT("USBPORT_AllocateBandwidth: FIXME AllocedInterrupt_XXms\n");
}
else
{
DPRINT("USBPORT_AllocateBandwidth: FIXME AllocedIso\n");
}
DPRINT1("USBPORT_FreeBandwidth: FIXME USBPORT_UpdateAllocatedBw\n");
}
UCHAR
NTAPI
USBPORT_NormalizeHsInterval(UCHAR Interval)
{
UCHAR interval;
DPRINT("USBPORT_NormalizeHsInterval: Interval - %x\n", Interval);
interval = Interval;
if (Interval)
interval = Interval - 1;
if (interval > 5)
interval = 5;
return 1 << interval;
}
BOOLEAN
NTAPI
USBPORT_EndpointHasQueuedTransfers(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint,
IN PULONG TransferCount)
{
PLIST_ENTRY Entry;
PUSBPORT_TRANSFER Transfer;
BOOLEAN Result = FALSE;
DPRINT_CORE("USBPORT_EndpointHasQueuedTransfers: ... \n");
KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
if (!IsListEmpty(&Endpoint->PendingTransferList))
Result = TRUE;
if (!IsListEmpty(&Endpoint->TransferList))
{
Result = TRUE;
if (TransferCount)
{
*TransferCount = 0;
for (Entry = Endpoint->TransferList.Flink;
Entry && Entry != &Endpoint->TransferList;
Entry = Transfer->TransferLink.Flink)
{
Transfer = CONTAINING_RECORD(Entry,
USBPORT_TRANSFER,
TransferLink);
if (Transfer->Flags & TRANSFER_FLAG_SUBMITED)
{
++*TransferCount;
}
}
}
}
KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
return Result;
}
VOID
NTAPI
USBPORT_NukeAllEndpoints(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PLIST_ENTRY EndpointList;
PUSBPORT_ENDPOINT Endpoint;
KIRQL OldIrql;
DPRINT("USBPORT_NukeAllEndpoints \n");
FdoExtension = FdoDevice->DeviceExtension;
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
EndpointList = FdoExtension->EndpointList.Flink;
while (EndpointList && (EndpointList != &FdoExtension->EndpointList))
{
Endpoint = CONTAINING_RECORD(EndpointList,
USBPORT_ENDPOINT,
EndpointLink);
if (!(Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0))
Endpoint->Flags |= ENDPOINT_FLAG_NUKE;
EndpointList = Endpoint->EndpointLink.Flink;
}
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
}
ULONG
NTAPI
USBPORT_GetEndpointState(IN PUSBPORT_ENDPOINT Endpoint)
{
ULONG State;
//DPRINT("USBPORT_GetEndpointState \n");
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
if (Endpoint->StateLast != Endpoint->StateNext)
{
State = USBPORT_ENDPOINT_UNKNOWN;
}
else
{
State = Endpoint->StateLast;
}
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
if (State != USBPORT_ENDPOINT_ACTIVE)
{
DPRINT("USBPORT_GetEndpointState: Endpoint - %p, State - %x\n",
Endpoint,
State);
}
return State;
}
VOID
NTAPI
USBPORT_SetEndpointState(IN PUSBPORT_ENDPOINT Endpoint,
IN ULONG State)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
KIRQL OldIrql;
DPRINT("USBPORT_SetEndpointState: Endpoint - %p, State - %x\n",
Endpoint,
State);
FdoDevice = Endpoint->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
KeAcquireSpinLock(&Endpoint->StateChangeSpinLock,
&Endpoint->EndpointStateOldIrql);
if (!(Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0))
{
if (Endpoint->Flags & ENDPOINT_FLAG_NUKE)
{
Endpoint->StateLast = State;
Endpoint->StateNext = State;
KeReleaseSpinLock(&Endpoint->StateChangeSpinLock,
Endpoint->EndpointStateOldIrql);
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_THREAD);
return;
}
KeReleaseSpinLock(&Endpoint->StateChangeSpinLock,
Endpoint->EndpointStateOldIrql);
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->SetEndpointState(FdoExtension->MiniPortExt,
Endpoint + 1,
State);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
Endpoint->StateNext = State;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Endpoint->FrameNumber = Packet->Get32BitFrameNumber(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
ExInterlockedInsertTailList(&FdoExtension->EpStateChangeList,
&Endpoint->StateChangeLink,
&FdoExtension->EpStateChangeSpinLock);
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->InterruptNextSOF(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
}
else
{
Endpoint->StateLast = State;
Endpoint->StateNext = State;
if (State == USBPORT_ENDPOINT_REMOVE)
{
KeReleaseSpinLock(&Endpoint->StateChangeSpinLock,
Endpoint->EndpointStateOldIrql);
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_THREAD);
return;
}
KeReleaseSpinLock(&Endpoint->StateChangeSpinLock,
Endpoint->EndpointStateOldIrql);
}
}
VOID
NTAPI
USBPORT_AddPipeHandle(IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PUSBPORT_PIPE_HANDLE PipeHandle)
{
DPRINT("USBPORT_AddPipeHandle: DeviceHandle - %p, PipeHandle - %p\n",
DeviceHandle,
PipeHandle);
InsertTailList(&DeviceHandle->PipeHandleList, &PipeHandle->PipeLink);
}
VOID
NTAPI
USBPORT_RemovePipeHandle(IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PUSBPORT_PIPE_HANDLE PipeHandle)
{
DPRINT("USBPORT_RemovePipeHandle: PipeHandle - %p\n", PipeHandle);
RemoveEntryList(&PipeHandle->PipeLink);
PipeHandle->PipeLink.Flink = NULL;
PipeHandle->PipeLink.Blink = NULL;
}
BOOLEAN
NTAPI
USBPORT_ValidatePipeHandle(IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PUSBPORT_PIPE_HANDLE PipeHandle)
{
PLIST_ENTRY HandleList;
PUSBPORT_PIPE_HANDLE CurrentHandle;
//DPRINT("USBPORT_ValidatePipeHandle: DeviceHandle - %p, PipeHandle - %p\n",
// DeviceHandle,
// PipeHandle);
HandleList = DeviceHandle->PipeHandleList.Flink;
while (HandleList != &DeviceHandle->PipeHandleList)
{
CurrentHandle = CONTAINING_RECORD(HandleList,
USBPORT_PIPE_HANDLE,
PipeLink);
HandleList = HandleList->Flink;
if (CurrentHandle == PipeHandle)
return TRUE;
}
return FALSE;
}
BOOLEAN
NTAPI
USBPORT_DeleteEndpoint(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
BOOLEAN Result;
KIRQL OldIrql;
DPRINT("USBPORT_DeleteEndpoint: Endpoint - %p\n", Endpoint);
FdoExtension = FdoDevice->DeviceExtension;
if ((Endpoint->WorkerLink.Flink && Endpoint->WorkerLink.Blink) ||
Endpoint->LockCounter != -1)
{
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
ExInterlockedInsertTailList(&FdoExtension->EndpointClosedList,
&Endpoint->CloseLink,
&FdoExtension->EndpointClosedSpinLock);
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
Result = FALSE;
}
else
{
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
RemoveEntryList(&Endpoint->EndpointLink);
Endpoint->EndpointLink.Flink = NULL;
Endpoint->EndpointLink.Blink = NULL;
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
MiniportCloseEndpoint(FdoDevice, Endpoint);
if (Endpoint->HeaderBuffer)
{
USBPORT_FreeCommonBuffer(FdoDevice, Endpoint->HeaderBuffer);
}
ExFreePoolWithTag(Endpoint, USB_PORT_TAG);
Result = TRUE;
}
return Result;
}
VOID
NTAPI
MiniportCloseEndpoint(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
BOOLEAN IsDoDisablePeriodic;
ULONG TransferType;
KIRQL OldIrql;
DPRINT("MiniportCloseEndpoint: Endpoint - %p\n", Endpoint);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
if (Endpoint->Flags & ENDPOINT_FLAG_OPENED)
{
TransferType = Endpoint->EndpointProperties.TransferType;
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT ||
TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
{
--FdoExtension->PeriodicEndpoints;
}
IsDoDisablePeriodic = FdoExtension->PeriodicEndpoints == 0;
Packet->CloseEndpoint(FdoExtension->MiniPortExt,
Endpoint + 1,
IsDoDisablePeriodic);
Endpoint->Flags &= ~ENDPOINT_FLAG_OPENED;
Endpoint->Flags |= ENDPOINT_FLAG_CLOSED;
}
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_ClosePipe(IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_PIPE_HANDLE PipeHandle)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PUSBPORT_ENDPOINT Endpoint;
PUSBPORT_REGISTRATION_PACKET Packet;
PUSB2_TT_EXTENSION TtExtension;
ULONG ix;
BOOLEAN IsReady;
KIRQL OldIrql;
DPRINT("USBPORT_ClosePipe \n");
FdoExtension = FdoDevice->DeviceExtension;
if (PipeHandle->Flags & PIPE_HANDLE_FLAG_CLOSED)
return;
USBPORT_RemovePipeHandle(DeviceHandle, PipeHandle);
PipeHandle->Flags |= PIPE_HANDLE_FLAG_CLOSED;
if (PipeHandle->Flags & PIPE_HANDLE_FLAG_NULL_PACKET_SIZE)
{
PipeHandle->Flags &= ~PIPE_HANDLE_FLAG_NULL_PACKET_SIZE;
return;
}
Endpoint = PipeHandle->Endpoint;
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
if ((Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0) &&
(Endpoint->EndpointProperties.TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT))
{
PdoExtension = FdoExtension->RootHubPdo->DeviceExtension;
PdoExtension->Endpoint = NULL;
}
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
while (TRUE)
{
IsReady = TRUE;
KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
&Endpoint->EndpointOldIrql);
if (!IsListEmpty(&Endpoint->PendingTransferList))
IsReady = FALSE;
if (!IsListEmpty(&Endpoint->TransferList))
IsReady = FALSE;
if (!IsListEmpty(&Endpoint->CancelList))
IsReady = FALSE;
if (!IsListEmpty(&Endpoint->AbortList))
IsReady = FALSE;
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
if (Endpoint->StateLast != Endpoint->StateNext)
IsReady = FALSE;
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
Endpoint->EndpointOldIrql);
if (InterlockedIncrement(&Endpoint->LockCounter))
IsReady = FALSE;
InterlockedDecrement(&Endpoint->LockCounter);
if (IsReady == TRUE)
break;
USBPORT_Wait(FdoDevice, 1);
}
Endpoint->DeviceHandle = NULL;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
USBPORT_FreeBandwidthUSB2(FdoDevice, Endpoint);
KeAcquireSpinLock(&FdoExtension->TtSpinLock, &OldIrql);
TtExtension = Endpoint->TtExtension;
if (TtExtension)
{
RemoveEntryList(&Endpoint->TtLink);
Endpoint->TtLink.Flink = NULL;
Endpoint->TtLink.Blink = NULL;
if (TtExtension->Flags & USB2_TT_EXTENSION_FLAG_DELETED)
{
if (IsListEmpty(&TtExtension->EndpointList))
{
USBPORT_UpdateAllocatedBwTt(TtExtension);
for (ix = 0; ix < USB2_FRAMES; ix++)
{
FdoExtension->Bandwidth[ix] += TtExtension->MaxBandwidth;
}
ExFreePool(TtExtension);
}
}
}
KeReleaseSpinLock(&FdoExtension->TtSpinLock, OldIrql);
}
else
{
USBPORT_FreeBandwidth(FdoDevice, Endpoint);
}
KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
USBPORT_SetEndpointState(Endpoint, USBPORT_ENDPOINT_REMOVE);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
USBPORT_SignalWorkerThread(FdoDevice);
}
MPSTATUS
NTAPI
MiniportOpenEndpoint(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
KIRQL OldIrql;
ULONG TransferType;
MPSTATUS MpStatus;
DPRINT("MiniportOpenEndpoint: Endpoint - %p\n", Endpoint);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Endpoint->Flags &= ~ENDPOINT_FLAG_CLOSED;
MpStatus = Packet->OpenEndpoint(FdoExtension->MiniPortExt,
&Endpoint->EndpointProperties,
Endpoint + 1);
if (!MpStatus)
{
TransferType = Endpoint->EndpointProperties.TransferType;
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT ||
TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
{
++FdoExtension->PeriodicEndpoints;
}
Endpoint->Flags |= ENDPOINT_FLAG_OPENED;
}
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
return MpStatus;
}
NTSTATUS
NTAPI
USBPORT_OpenPipe(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PUSBPORT_PIPE_HANDLE PipeHandle,
IN OUT PUSBD_STATUS UsbdStatus)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
ULONG EndpointSize;
PUSBPORT_ENDPOINT Endpoint;
PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
PUSB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
UCHAR Direction;
UCHAR Interval;
UCHAR Period;
USBPORT_ENDPOINT_REQUIREMENTS EndpointRequirements = {0};
PUSBPORT_COMMON_BUFFER_HEADER HeaderBuffer;
MPSTATUS MpStatus;
USBD_STATUS USBDStatus;
NTSTATUS Status;
KIRQL OldIrql;
USHORT MaxPacketSize;
USHORT AdditionalTransaction;
BOOLEAN IsAllocatedBandwidth;
DPRINT("USBPORT_OpenPipe: DeviceHandle - %p, FdoDevice - %p, PipeHandle - %p\n",
DeviceHandle,
FdoDevice,
PipeHandle);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
EndpointSize = sizeof(USBPORT_ENDPOINT) + Packet->MiniPortEndpointSize;
if (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
EndpointSize += sizeof(USB2_TT_ENDPOINT);
}
if (PipeHandle->EndpointDescriptor.wMaxPacketSize == 0)
{
USBPORT_AddPipeHandle(DeviceHandle, PipeHandle);
PipeHandle->Flags = (PipeHandle->Flags & ~PIPE_HANDLE_FLAG_CLOSED) |
PIPE_HANDLE_FLAG_NULL_PACKET_SIZE;
PipeHandle->Endpoint = (PUSBPORT_ENDPOINT)-1;
return STATUS_SUCCESS;
}
Endpoint = ExAllocatePoolWithTag(NonPagedPool, EndpointSize, USB_PORT_TAG);
if (!Endpoint)
{
DPRINT1("USBPORT_OpenPipe: Not allocated Endpoint!\n");
Status = STATUS_INSUFFICIENT_RESOURCES;
return Status;
}
RtlZeroMemory(Endpoint, EndpointSize);
Endpoint->FdoDevice = FdoDevice;
Endpoint->DeviceHandle = DeviceHandle;
Endpoint->LockCounter = -1;
Endpoint->TtExtension = DeviceHandle->TtExtension;
if (DeviceHandle->TtExtension)
{
ExInterlockedInsertTailList(&DeviceHandle->TtExtension->EndpointList,
&Endpoint->TtLink,
&FdoExtension->TtSpinLock);
}
if (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
Endpoint->TtEndpoint = (PUSB2_TT_ENDPOINT)((ULONG_PTR)Endpoint +
sizeof(USBPORT_ENDPOINT) +
Packet->MiniPortEndpointSize);
}
else
{
Endpoint->TtEndpoint = NULL;
}
KeInitializeSpinLock(&Endpoint->EndpointSpinLock);
KeInitializeSpinLock(&Endpoint->StateChangeSpinLock);
InitializeListHead(&Endpoint->PendingTransferList);
InitializeListHead(&Endpoint->TransferList);
InitializeListHead(&Endpoint->CancelList);
InitializeListHead(&Endpoint->AbortList);
EndpointProperties = &Endpoint->EndpointProperties;
EndpointDescriptor = &PipeHandle->EndpointDescriptor;
MaxPacketSize = EndpointDescriptor->wMaxPacketSize & 0x7FF;
AdditionalTransaction = (EndpointDescriptor->wMaxPacketSize >> 11) & 3;
EndpointProperties->DeviceAddress = DeviceHandle->DeviceAddress;
EndpointProperties->DeviceSpeed = DeviceHandle->DeviceSpeed;
EndpointProperties->Period = 0;
EndpointProperties->EndpointAddress = EndpointDescriptor->bEndpointAddress;
EndpointProperties->TransactionPerMicroframe = AdditionalTransaction + 1;
EndpointProperties->MaxPacketSize = MaxPacketSize;
EndpointProperties->TotalMaxPacketSize = MaxPacketSize *
(AdditionalTransaction + 1);
if (Endpoint->TtExtension)
{
EndpointProperties->HubAddr = Endpoint->TtExtension->DeviceAddress;
}
else
{
EndpointProperties->HubAddr = -1;
}
EndpointProperties->PortNumber = DeviceHandle->PortNumber;
switch (EndpointDescriptor->bmAttributes & USB_ENDPOINT_TYPE_MASK)
{
case USB_ENDPOINT_TYPE_CONTROL:
EndpointProperties->TransferType = USBPORT_TRANSFER_TYPE_CONTROL;
if (EndpointProperties->EndpointAddress == 0)
{
EndpointProperties->MaxTransferSize = 0x1000; // OUT Ep0
}
else
{
EndpointProperties->MaxTransferSize = 0x10000;
}
break;
case USB_ENDPOINT_TYPE_ISOCHRONOUS:
DPRINT1("USBPORT_OpenPipe: USB_ENDPOINT_TYPE_ISOCHRONOUS UNIMPLEMENTED. FIXME. \n");
EndpointProperties->TransferType = USBPORT_TRANSFER_TYPE_ISOCHRONOUS;
EndpointProperties->MaxTransferSize = 0x1000000;
break;
case USB_ENDPOINT_TYPE_BULK:
EndpointProperties->TransferType = USBPORT_TRANSFER_TYPE_BULK;
EndpointProperties->MaxTransferSize = 0x10000;
break;
case USB_ENDPOINT_TYPE_INTERRUPT:
EndpointProperties->TransferType = USBPORT_TRANSFER_TYPE_INTERRUPT;
EndpointProperties->MaxTransferSize = 0x400;
break;
}
if (EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
if (EndpointProperties->DeviceSpeed == UsbHighSpeed)
{
Interval = USBPORT_NormalizeHsInterval(EndpointDescriptor->bInterval);
}
else
{
Interval = EndpointDescriptor->bInterval;
}
EndpointProperties->Period = ENDPOINT_INTERRUPT_32ms;
if (Interval && (Interval < USB2_FRAMES))
{
if ((EndpointProperties->DeviceSpeed != UsbLowSpeed) ||
(Interval >= ENDPOINT_INTERRUPT_8ms))
{
if (!(Interval & ENDPOINT_INTERRUPT_32ms))
{
Period = EndpointProperties->Period;
do
{
Period >>= 1;
}
while (!(Period & Interval));
EndpointProperties->Period = Period;
}
}
else
{
EndpointProperties->Period = ENDPOINT_INTERRUPT_8ms;
}
}
}
if (EndpointProperties->TransferType == USB_ENDPOINT_TYPE_ISOCHRONOUS)
{
if (EndpointProperties->DeviceSpeed == UsbHighSpeed)
{
EndpointProperties->Period =
USBPORT_NormalizeHsInterval(EndpointDescriptor->bInterval);
}
else
{
EndpointProperties->Period = ENDPOINT_INTERRUPT_1ms;
}
}
if ((DeviceHandle->Flags & DEVICE_HANDLE_FLAG_ROOTHUB) != 0)
{
Endpoint->Flags |= ENDPOINT_FLAG_ROOTHUB_EP0;
}
if (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
IsAllocatedBandwidth = USBPORT_AllocateBandwidthUSB2(FdoDevice, Endpoint);
}
else
{
EndpointProperties->UsbBandwidth = USBPORT_CalculateUsbBandwidth(FdoDevice,
Endpoint);
IsAllocatedBandwidth = USBPORT_AllocateBandwidth(FdoDevice, Endpoint);
}
if (!IsAllocatedBandwidth)
{
Status = USBPORT_USBDStatusToNtStatus(NULL, USBD_STATUS_NO_BANDWIDTH);
if (UsbdStatus)
{
*UsbdStatus = USBD_STATUS_NO_BANDWIDTH;
}
goto ExitWithError;
}
Direction = USB_ENDPOINT_DIRECTION_OUT(EndpointDescriptor->bEndpointAddress);
EndpointProperties->Direction = Direction;
if (DeviceHandle->IsRootHub)
{
Endpoint->EndpointWorker = 0; // USBPORT_RootHubEndpointWorker;
Endpoint->Flags |= ENDPOINT_FLAG_ROOTHUB_EP0;
Endpoint->StateLast = USBPORT_ENDPOINT_ACTIVE;
Endpoint->StateNext = USBPORT_ENDPOINT_ACTIVE;
PdoExtension = FdoExtension->RootHubPdo->DeviceExtension;
if (EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
PdoExtension->Endpoint = Endpoint;
}
USBDStatus = USBD_STATUS_SUCCESS;
}
else
{
Endpoint->EndpointWorker = 1; // USBPORT_DmaEndpointWorker;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->QueryEndpointRequirements(FdoExtension->MiniPortExt,
&Endpoint->EndpointProperties,
&EndpointRequirements);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
if ((EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_BULK) ||
(EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT))
{
EndpointProperties->MaxTransferSize = EndpointRequirements.MaxTransferSize;
}
if (EndpointRequirements.HeaderBufferSize)
{
HeaderBuffer = USBPORT_AllocateCommonBuffer(FdoDevice,
EndpointRequirements.HeaderBufferSize);
}
else
{
HeaderBuffer = NULL;
}
if (HeaderBuffer || (EndpointRequirements.HeaderBufferSize == 0))
{
Endpoint->HeaderBuffer = HeaderBuffer;
if (HeaderBuffer)
{
EndpointProperties->BufferVA = HeaderBuffer->VirtualAddress;
EndpointProperties->BufferPA = HeaderBuffer->PhysicalAddress;
EndpointProperties->BufferLength = HeaderBuffer->BufferLength; // BufferLength + LengthPadded;
}
MpStatus = MiniportOpenEndpoint(FdoDevice, Endpoint);
Endpoint->Flags |= ENDPOINT_FLAG_DMA_TYPE;
Endpoint->Flags |= ENDPOINT_FLAG_QUEUENE_EMPTY;
if (MpStatus == 0)
{
ULONG State;
KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
&Endpoint->EndpointOldIrql);
Endpoint->StateLast = USBPORT_ENDPOINT_PAUSED;
Endpoint->StateNext = USBPORT_ENDPOINT_PAUSED;
USBPORT_SetEndpointState(Endpoint, USBPORT_ENDPOINT_ACTIVE);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
Endpoint->EndpointOldIrql);
while (TRUE)
{
KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
&Endpoint->EndpointOldIrql);
State = USBPORT_GetEndpointState(Endpoint);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
Endpoint->EndpointOldIrql);
if (State == USBPORT_ENDPOINT_ACTIVE)
{
break;
}
USBPORT_Wait(FdoDevice, 1); // 1 msec.
}
}
}
else
{
MpStatus = MP_STATUS_NO_RESOURCES;
Endpoint->HeaderBuffer = NULL;
}
if (MpStatus)
{
USBDStatus = USBD_STATUS_INSUFFICIENT_RESOURCES;
}
else
{
USBDStatus = USBD_STATUS_SUCCESS;
}
}
if (UsbdStatus)
{
*UsbdStatus = USBDStatus;
}
Status = USBPORT_USBDStatusToNtStatus(NULL, USBDStatus);
if (NT_SUCCESS(Status))
{
USBPORT_AddPipeHandle(DeviceHandle, PipeHandle);
ExInterlockedInsertTailList(&FdoExtension->EndpointList,
&Endpoint->EndpointLink,
&FdoExtension->EndpointListSpinLock);
PipeHandle->Endpoint = Endpoint;
PipeHandle->Flags &= ~PIPE_HANDLE_FLAG_CLOSED;
return Status;
}
ExitWithError:
if (Endpoint)
{
if (IsAllocatedBandwidth)
{
if (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
USBPORT_FreeBandwidthUSB2(FdoDevice, Endpoint);
}
else
{
USBPORT_FreeBandwidth(FdoDevice, Endpoint);
}
}
if (Endpoint->TtExtension)
{
KeAcquireSpinLock(&FdoExtension->TtSpinLock, &OldIrql);
RemoveEntryList(&Endpoint->TtLink);
KeReleaseSpinLock(&FdoExtension->TtSpinLock, OldIrql);
}
ExFreePoolWithTag(Endpoint, USB_PORT_TAG);
}
DPRINT1("USBPORT_OpenPipe: Status - %lx\n", Status);
return Status;
}
NTSTATUS
NTAPI
USBPORT_ReopenPipe(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_COMMON_BUFFER_HEADER HeaderBuffer;
USBPORT_ENDPOINT_REQUIREMENTS EndpointRequirements = {0};
PUSBPORT_REGISTRATION_PACKET Packet;
KIRQL MiniportOldIrql;
NTSTATUS Status;
DPRINT("USBPORT_ReopenPipe ... \n");
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
while (TRUE)
{
if (!InterlockedIncrement(&Endpoint->LockCounter))
break;
InterlockedDecrement(&Endpoint->LockCounter);
USBPORT_Wait(FdoDevice, 1);
}
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &MiniportOldIrql);
Packet->SetEndpointState(FdoExtension->MiniPortExt,
Endpoint + 1,
USBPORT_ENDPOINT_REMOVE);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, MiniportOldIrql);
USBPORT_Wait(FdoDevice, 2);
MiniportCloseEndpoint(FdoDevice, Endpoint);
RtlZeroMemory(Endpoint + 1,
Packet->MiniPortEndpointSize);
if (Endpoint->HeaderBuffer)
{
USBPORT_FreeCommonBuffer(FdoDevice, Endpoint->HeaderBuffer);
Endpoint->HeaderBuffer = NULL;
}
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &MiniportOldIrql);
Packet->QueryEndpointRequirements(FdoExtension->MiniPortExt,
&Endpoint->EndpointProperties,
&EndpointRequirements);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, MiniportOldIrql);
if (EndpointRequirements.HeaderBufferSize)
{
HeaderBuffer = USBPORT_AllocateCommonBuffer(FdoDevice,
EndpointRequirements.HeaderBufferSize);
}
else
{
HeaderBuffer = NULL;
}
if (HeaderBuffer || EndpointRequirements.HeaderBufferSize == 0)
{
Endpoint->HeaderBuffer = HeaderBuffer;
Status = STATUS_SUCCESS;
}
else
{
Endpoint->HeaderBuffer = 0;
Status = STATUS_INSUFFICIENT_RESOURCES;
}
if (Endpoint->HeaderBuffer && HeaderBuffer)
{
Endpoint->EndpointProperties.BufferVA = HeaderBuffer->VirtualAddress;
Endpoint->EndpointProperties.BufferPA = HeaderBuffer->PhysicalAddress;
Endpoint->EndpointProperties.BufferLength = HeaderBuffer->BufferLength;
}
if (NT_SUCCESS(Status))
{
MiniportOpenEndpoint(FdoDevice, Endpoint);
KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
if (Endpoint->StateLast == USBPORT_ENDPOINT_ACTIVE)
{
KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
Packet->SetEndpointState(FdoExtension->MiniPortExt,
Endpoint + 1,
USBPORT_ENDPOINT_ACTIVE);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
}
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
}
InterlockedDecrement(&Endpoint->LockCounter);
return Status;
}
VOID
NTAPI
USBPORT_FlushClosedEndpointList(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
KIRQL OldIrql;
PLIST_ENTRY ClosedList;
PUSBPORT_ENDPOINT Endpoint;
DPRINT("USBPORT_FlushClosedEndpointList: ... \n");
FdoExtension = FdoDevice->DeviceExtension;
KeAcquireSpinLock(&FdoExtension->EndpointClosedSpinLock, &OldIrql);
ClosedList = &FdoExtension->EndpointClosedList;
while (!IsListEmpty(ClosedList))
{
Endpoint = CONTAINING_RECORD(ClosedList->Flink,
USBPORT_ENDPOINT,
CloseLink);
RemoveHeadList(ClosedList);
Endpoint->CloseLink.Flink = NULL;
Endpoint->CloseLink.Blink = NULL;
KeReleaseSpinLock(&FdoExtension->EndpointClosedSpinLock, OldIrql);
USBPORT_DeleteEndpoint(FdoDevice, Endpoint);
KeAcquireSpinLock(&FdoExtension->EndpointClosedSpinLock, &OldIrql);
}
KeReleaseSpinLock(&FdoExtension->EndpointClosedSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_InvalidateEndpointHandler(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint,
IN ULONG Type)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PLIST_ENTRY Entry;
PLIST_ENTRY WorkerLink;
PUSBPORT_ENDPOINT endpoint;
KIRQL OldIrql;
BOOLEAN IsAddEntry = FALSE;
DPRINT_CORE("USBPORT_InvalidateEndpointHandler: Endpoint - %p, Type - %x\n",
Endpoint,
Type);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (Endpoint)
{
WorkerLink = &Endpoint->WorkerLink;
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
DPRINT_CORE("USBPORT_InvalidateEndpointHandler: KeAcquireSpinLock \n");
if ((!WorkerLink->Flink || !WorkerLink->Blink) &&
!(Endpoint->Flags & ENDPOINT_FLAG_IDLE) &&
USBPORT_GetEndpointState(Endpoint) != USBPORT_ENDPOINT_CLOSED)
{
DPRINT_CORE("USBPORT_InvalidateEndpointHandler: InsertTailList \n");
InsertTailList(&FdoExtension->WorkerList, WorkerLink);
IsAddEntry = TRUE;
}
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
if (Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0)
Type = INVALIDATE_ENDPOINT_WORKER_THREAD;
}
else
{
KeAcquireSpinLock(&FdoExtension->EndpointListSpinLock, &OldIrql);
Entry = &FdoExtension->EndpointList;
while (Entry && Entry != &FdoExtension->EndpointList)
{
endpoint = CONTAINING_RECORD(Entry,
USBPORT_ENDPOINT,
EndpointLink);
if (!endpoint->WorkerLink.Flink || !endpoint->WorkerLink.Blink)
{
if (!(endpoint->Flags & ENDPOINT_FLAG_IDLE) &&
!(endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0) &&
USBPORT_GetEndpointState(endpoint) != USBPORT_ENDPOINT_CLOSED)
{
DPRINT_CORE("USBPORT_InvalidateEndpointHandler: InsertTailList \n");
InsertTailList(&FdoExtension->WorkerList, &endpoint->WorkerLink);
IsAddEntry = TRUE;
}
}
Entry = endpoint->EndpointLink.Flink;
}
KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
}
if (FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND)
{
Type = INVALIDATE_ENDPOINT_WORKER_THREAD;
}
else if (IsAddEntry == FALSE && Type == INVALIDATE_ENDPOINT_INT_NEXT_SOF)
{
Type = INVALIDATE_ENDPOINT_ONLY;
}
switch (Type)
{
case INVALIDATE_ENDPOINT_WORKER_THREAD:
USBPORT_SignalWorkerThread(FdoDevice);
break;
case INVALIDATE_ENDPOINT_WORKER_DPC:
KeInsertQueueDpc(&FdoExtension->WorkerRequestDpc, NULL, NULL);
break;
case INVALIDATE_ENDPOINT_INT_NEXT_SOF:
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->InterruptNextSOF(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
break;
}
}
ULONG
NTAPI
USBPORT_DmaEndpointPaused(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PLIST_ENTRY Entry;
PUSBPORT_TRANSFER Transfer;
PURB Urb;
ULONG Frame;
ULONG CurrentFrame;
ULONG CompletedLen = 0;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_DmaEndpointPaused \n");
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
Entry = Endpoint->TransferList.Flink;
if (Entry == &Endpoint->TransferList)
return USBPORT_ENDPOINT_ACTIVE;
while (Entry && Entry != &Endpoint->TransferList)
{
Transfer = CONTAINING_RECORD(Entry,
USBPORT_TRANSFER,
TransferLink);
if (Transfer->Flags & (TRANSFER_FLAG_CANCELED | TRANSFER_FLAG_ABORTED))
{
if (Transfer->Flags & TRANSFER_FLAG_ISO &&
Transfer->Flags & TRANSFER_FLAG_SUBMITED &&
!(Endpoint->Flags & ENDPOINT_FLAG_NUKE))
{
Urb = Transfer->Urb;
Frame = Urb->UrbIsochronousTransfer.StartFrame +
Urb->UrbIsochronousTransfer.NumberOfPackets;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
CurrentFrame = Packet->Get32BitFrameNumber(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
if (Frame + 1 > CurrentFrame)
{
return USBPORT_GetEndpointState(Endpoint);
}
}
if ((Transfer->Flags & TRANSFER_FLAG_SUBMITED) &&
!(Endpoint->Flags & ENDPOINT_FLAG_NUKE))
{
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->AbortTransfer(FdoExtension->MiniPortExt,
Endpoint + 1,
Transfer->MiniportTransfer,
&CompletedLen);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
if (Transfer->Flags & TRANSFER_FLAG_ISO)
{
DPRINT1("USBPORT_DmaEndpointActive: FIXME call USBPORT_FlushIsoTransfer\n");
ASSERT(FALSE); //USBPORT_FlushIsoTransfer();
}
else
{
Transfer->CompletedTransferLen = CompletedLen;
}
}
RemoveEntryList(&Transfer->TransferLink);
Entry = Transfer->TransferLink.Flink;
if (Transfer->Flags & TRANSFER_FLAG_SPLITED)
{
USBPORT_CancelSplitTransfer(Transfer);
}
else
{
InsertTailList(&Endpoint->CancelList, &Transfer->TransferLink);
}
}
else
{
Entry = Transfer->TransferLink.Flink;
}
}
return USBPORT_ENDPOINT_ACTIVE;
}
ULONG
NTAPI
USBPORT_DmaEndpointActive(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_ENDPOINT Endpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PLIST_ENTRY Entry;
PUSBPORT_TRANSFER Transfer;
LARGE_INTEGER TimeOut;
MPSTATUS MpStatus;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_DmaEndpointActive \n");
FdoExtension = FdoDevice->DeviceExtension;
Entry = Endpoint->TransferList.Flink;
while (Entry && Entry != &Endpoint->TransferList)
{
Transfer = CONTAINING_RECORD(Entry,
USBPORT_TRANSFER,
TransferLink);
if (!(Transfer->Flags & TRANSFER_FLAG_SUBMITED) &&
!(Endpoint->Flags & ENDPOINT_FLAG_NUKE))
{
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet = &FdoExtension->MiniPortInterface->Packet;
if (Transfer->Flags & TRANSFER_FLAG_ISO)
{
DPRINT1("USBPORT_DmaEndpointActive: FIXME call SubmitIsoTransfer\n");
MpStatus = Packet->SubmitIsoTransfer(FdoExtension->MiniPortExt,
Endpoint + 1,
&Transfer->TransferParameters,
Transfer->MiniportTransfer,
NULL);//&Transfer->IsoTransferParameters);
}
else
{
MpStatus = Packet->SubmitTransfer(FdoExtension->MiniPortExt,
Endpoint + 1,
&Transfer->TransferParameters,
Transfer->MiniportTransfer,
&Transfer->SgList);
}
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
if (MpStatus)
{
if ((MpStatus != MP_STATUS_FAILURE) && Transfer->Flags & TRANSFER_FLAG_ISO)
{
DPRINT1("USBPORT_DmaEndpointActive: FIXME call USBPORT_ErrorCompleteIsoTransfer\n");
ASSERT(FALSE); //USBPORT_ErrorCompleteIsoTransfer();
}
return USBPORT_ENDPOINT_ACTIVE;
}
Transfer->Flags |= TRANSFER_FLAG_SUBMITED;
KeQuerySystemTime(&Transfer->Time);
TimeOut.QuadPart = 10000 * Transfer->TimeOut;
Transfer->Time.QuadPart += TimeOut.QuadPart;
}
if (Transfer->Flags & (TRANSFER_FLAG_CANCELED | TRANSFER_FLAG_ABORTED))
{
return USBPORT_ENDPOINT_PAUSED;
}
Entry = Transfer->TransferLink.Flink;
}
return USBPORT_ENDPOINT_ACTIVE;
}
VOID
NTAPI
USBPORT_DmaEndpointWorker(IN PUSBPORT_ENDPOINT Endpoint)
{
PDEVICE_OBJECT FdoDevice;
ULONG PrevState;
ULONG EndpointState;
BOOLEAN IsPaused = FALSE;
DPRINT_CORE("USBPORT_DmaEndpointWorker ... \n");
FdoDevice = Endpoint->FdoDevice;
KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
PrevState = USBPORT_GetEndpointState(Endpoint);
if (PrevState == USBPORT_ENDPOINT_PAUSED)
{
EndpointState = USBPORT_DmaEndpointPaused(FdoDevice, Endpoint);
}
else if (PrevState == USBPORT_ENDPOINT_ACTIVE)
{
EndpointState = USBPORT_DmaEndpointActive(FdoDevice, Endpoint);
}
else
{
#ifndef NDEBUG_USBPORT_CORE
DPRINT1("USBPORT_DmaEndpointWorker: DbgBreakPoint. EndpointState - %x\n",
EndpointState);
DbgBreakPoint();
#endif
EndpointState = USBPORT_ENDPOINT_UNKNOWN;
}
KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
USBPORT_FlushCancelList(Endpoint);
KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
if (EndpointState == PrevState)
{
if (EndpointState == USBPORT_ENDPOINT_PAUSED)
{
IsPaused = TRUE;
}
}
else
{
USBPORT_SetEndpointState(Endpoint, EndpointState);
}
KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
if (IsPaused)
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_THREAD);
}
DPRINT_CORE("USBPORT_DmaEndpointWorker exit \n");
}
BOOLEAN
NTAPI
USBPORT_EndpointWorker(IN PUSBPORT_ENDPOINT Endpoint,
IN BOOLEAN LockNotChecked)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
ULONG EndpointState;
DPRINT_CORE("USBPORT_EndpointWorker: Endpoint - %p, LockNotChecked - %x\n",
Endpoint,
LockNotChecked);
FdoDevice = Endpoint->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (LockNotChecked == FALSE)
{
if (InterlockedIncrement(&Endpoint->LockCounter))
{
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: LockCounter > 0\n");
return TRUE;
}
}
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
KeAcquireSpinLockAtDpcLevel(&Endpoint->EndpointSpinLock);
if (USBPORT_GetEndpointState(Endpoint) == USBPORT_ENDPOINT_CLOSED)
{
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: State == USBPORT_ENDPOINT_CLOSED. return FALSE\n");
return FALSE;
}
if ((Endpoint->Flags & (ENDPOINT_FLAG_ROOTHUB_EP0 | ENDPOINT_FLAG_NUKE)) == 0)
{
KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
Packet->PollEndpoint(FdoExtension->MiniPortExt, Endpoint + 1);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
}
EndpointState = USBPORT_GetEndpointState(Endpoint);
if (EndpointState == USBPORT_ENDPOINT_REMOVE)
{
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
Endpoint->StateLast = USBPORT_ENDPOINT_CLOSED;
Endpoint->StateNext = USBPORT_ENDPOINT_CLOSED;
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->EndpointListSpinLock);
ExInterlockedInsertTailList(&FdoExtension->EndpointClosedList,
&Endpoint->CloseLink,
&FdoExtension->EndpointClosedSpinLock);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: State == USBPORT_ENDPOINT_REMOVE. return FALSE\n");
return FALSE;
}
if (!IsListEmpty(&Endpoint->PendingTransferList) ||
!IsListEmpty(&Endpoint->TransferList) ||
!IsListEmpty(&Endpoint->CancelList))
{
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
EndpointState = USBPORT_GetEndpointState(Endpoint);
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
if (EndpointState == Endpoint->StateNext)
{
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
if (Endpoint->EndpointWorker)
{
USBPORT_DmaEndpointWorker(Endpoint);
}
else
{
USBPORT_RootHubEndpointWorker(Endpoint);
}
USBPORT_FlushAbortList(Endpoint);
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: return FALSE\n");
return FALSE;
}
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: return TRUE\n");
return TRUE;
}
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
USBPORT_FlushAbortList(Endpoint);
InterlockedDecrement(&Endpoint->LockCounter);
DPRINT_CORE("USBPORT_EndpointWorker: return FALSE\n");
return FALSE;
}
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