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reactos/drivers/usb/usbport/usbport.c

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/*
* PROJECT: ReactOS USB Port Driver
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: USBPort main driver functions
* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
*/
#include "usbport.h"
#define NDEBUG
#include <debug.h>
#define NDEBUG_USBPORT_CORE
#define NDEBUG_USBPORT_INTERRUPT
#define NDEBUG_USBPORT_TIMER
#include "usbdebug.h"
LIST_ENTRY USBPORT_MiniPortDrivers = {NULL, NULL};
LIST_ENTRY USBPORT_USB1FdoList = {NULL, NULL};
LIST_ENTRY USBPORT_USB2FdoList = {NULL, NULL};
KSPIN_LOCK USBPORT_SpinLock;
BOOLEAN USBPORT_Initialized = FALSE;
PDEVICE_OBJECT
NTAPI
USBPORT_FindUSB2Controller(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_DEVICE_EXTENSION USB2FdoExtension;
KIRQL OldIrql;
PLIST_ENTRY USB2FdoEntry;
PDEVICE_OBJECT USB2FdoDevice = NULL;
DPRINT("USBPORT_FindUSB2Controller: FdoDevice - %p\n", FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
KeAcquireSpinLock(&USBPORT_SpinLock, &OldIrql);
USB2FdoEntry = USBPORT_USB2FdoList.Flink;
while (USB2FdoEntry && USB2FdoEntry != &USBPORT_USB2FdoList)
{
USB2FdoExtension = CONTAINING_RECORD(USB2FdoEntry,
USBPORT_DEVICE_EXTENSION,
ControllerLink);
if (USB2FdoExtension->BusNumber == FdoExtension->BusNumber &&
USB2FdoExtension->PciDeviceNumber == FdoExtension->PciDeviceNumber)
{
USB2FdoDevice = USB2FdoExtension->CommonExtension.SelfDevice;
break;
}
USB2FdoEntry = USB2FdoEntry->Flink;
}
KeReleaseSpinLock(&USBPORT_SpinLock, OldIrql);
return USB2FdoDevice;
}
VOID
NTAPI
USBPORT_AddUSB1Fdo(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT("USBPORT_AddUSB1Fdo: FdoDevice - %p\n", FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
FdoExtension->Flags |= USBPORT_FLAG_REGISTERED_FDO;
ExInterlockedInsertTailList(&USBPORT_USB1FdoList,
&FdoExtension->ControllerLink,
&USBPORT_SpinLock);
}
VOID
NTAPI
USBPORT_AddUSB2Fdo(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT("USBPORT_AddUSB2Fdo: FdoDevice - %p\n", FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
FdoExtension->Flags |= USBPORT_FLAG_REGISTERED_FDO;
ExInterlockedInsertTailList(&USBPORT_USB2FdoList,
&FdoExtension->ControllerLink,
&USBPORT_SpinLock);
}
VOID
NTAPI
USBPORT_RemoveUSBxFdo(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
KIRQL OldIrql;
DPRINT("USBPORT_RemoveUSBxFdo: FdoDevice - %p\n", FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
KeAcquireSpinLock(&USBPORT_SpinLock, &OldIrql);
RemoveEntryList(&FdoExtension->ControllerLink);
KeReleaseSpinLock(&USBPORT_SpinLock, OldIrql);
FdoExtension->Flags &= ~USBPORT_FLAG_REGISTERED_FDO;
FdoExtension->ControllerLink.Flink = NULL;
FdoExtension->ControllerLink.Blink = NULL;
}
BOOLEAN
NTAPI
USBPORT_IsCompanionFdoExtension(IN PDEVICE_OBJECT USB2FdoDevice,
IN PUSBPORT_DEVICE_EXTENSION USB1FdoExtension)
{
PUSBPORT_DEVICE_EXTENSION USB2FdoExtension;
DPRINT("USBPORT_IsCompanionFdoExtension: USB2Fdo - %p, USB1FdoExtension - %p\n",
USB2FdoDevice,
USB1FdoExtension);
USB2FdoExtension = USB2FdoDevice->DeviceExtension;
return USB2FdoExtension->BusNumber == USB1FdoExtension->BusNumber &&
USB2FdoExtension->PciDeviceNumber == USB1FdoExtension->PciDeviceNumber;
}
PDEVICE_RELATIONS
NTAPI
USBPORT_FindCompanionControllers(IN PDEVICE_OBJECT USB2FdoDevice,
IN BOOLEAN IsObRefer,
IN BOOLEAN IsFDOsReturned)
{
PLIST_ENTRY USB1FdoList;
PUSBPORT_DEVICE_EXTENSION USB1FdoExtension;
ULONG NumControllers = 0;
PDEVICE_OBJECT * Entry;
PDEVICE_RELATIONS ControllersList = NULL;
KIRQL OldIrql;
DPRINT("USBPORT_FindCompanionControllers: USB2Fdo - %p, IsObRefer - %x, IsFDOs - %x\n",
USB2FdoDevice,
IsObRefer,
IsFDOsReturned);
KeAcquireSpinLock(&USBPORT_SpinLock, &OldIrql);
USB1FdoList = USBPORT_USB1FdoList.Flink;
while (USB1FdoList && USB1FdoList != &USBPORT_USB1FdoList)
{
USB1FdoExtension = CONTAINING_RECORD(USB1FdoList,
USBPORT_DEVICE_EXTENSION,
ControllerLink);
if (USB1FdoExtension->Flags & USBPORT_FLAG_COMPANION_HC &&
USBPORT_IsCompanionFdoExtension(USB2FdoDevice, USB1FdoExtension))
{
++NumControllers;
}
USB1FdoList = USB1FdoExtension->ControllerLink.Flink;
}
DPRINT("USBPORT_FindCompanionControllers: NumControllers - %x\n",
NumControllers);
if (!NumControllers)
{
goto Exit;
}
ControllersList = ExAllocatePoolWithTag(NonPagedPool,
NumControllers * sizeof(DEVICE_RELATIONS),
USB_PORT_TAG);
if (!ControllersList)
{
goto Exit;
}
RtlZeroMemory(ControllersList, NumControllers * sizeof(DEVICE_RELATIONS));
ControllersList->Count = NumControllers;
USB1FdoList = USBPORT_USB1FdoList.Flink;
Entry = &ControllersList->Objects[0];
while (USB1FdoList && USB1FdoList != &USBPORT_USB1FdoList)
{
USB1FdoExtension = CONTAINING_RECORD(USB1FdoList,
USBPORT_DEVICE_EXTENSION,
ControllerLink);
if (USB1FdoExtension->Flags & USBPORT_FLAG_COMPANION_HC &&
USBPORT_IsCompanionFdoExtension(USB2FdoDevice, USB1FdoExtension))
{
*Entry = USB1FdoExtension->CommonExtension.LowerPdoDevice;
if (IsObRefer)
{
ObReferenceObject(USB1FdoExtension->CommonExtension.LowerPdoDevice);
}
if (IsFDOsReturned)
{
*Entry = USB1FdoExtension->CommonExtension.SelfDevice;
}
++Entry;
}
USB1FdoList = USB1FdoExtension->ControllerLink.Flink;
}
Exit:
KeReleaseSpinLock(&USBPORT_SpinLock, OldIrql);
return ControllersList;
}
MPSTATUS
NTAPI
USBPORT_NtStatusToMpStatus(NTSTATUS NtStatus)
{
DPRINT("USBPORT_NtStatusToMpStatus: NtStatus - %x\n", NtStatus);
if (NtStatus == STATUS_SUCCESS)
{
return MP_STATUS_SUCCESS;
}
else
{
return MP_STATUS_UNSUCCESSFUL;
}
}
NTSTATUS
NTAPI
USBPORT_SetRegistryKeyValue(IN PDEVICE_OBJECT DeviceObject,
IN BOOL UseDriverKey,
IN ULONG Type,
IN PCWSTR ValueNameString,
IN PVOID Data,
IN ULONG DataSize)
{
UNICODE_STRING ValueName;
HANDLE KeyHandle;
NTSTATUS Status;
DPRINT("USBPORT_SetRegistryKeyValue: ValueNameString - %S\n",
ValueNameString);
if (UseDriverKey)
{
Status = IoOpenDeviceRegistryKey(DeviceObject,
PLUGPLAY_REGKEY_DRIVER,
STANDARD_RIGHTS_ALL,
&KeyHandle);
}
else
{
Status = IoOpenDeviceRegistryKey(DeviceObject,
PLUGPLAY_REGKEY_DEVICE,
STANDARD_RIGHTS_ALL,
&KeyHandle);
}
if (NT_SUCCESS(Status))
{
RtlInitUnicodeString(&ValueName, ValueNameString);
Status = ZwSetValueKey(KeyHandle,
&ValueName,
0,
Type,
Data,
DataSize);
ZwClose(KeyHandle);
}
return Status;
}
NTSTATUS
NTAPI
USBPORT_GetRegistryKeyValueFullInfo(IN PDEVICE_OBJECT FdoDevice,
IN PDEVICE_OBJECT PdoDevice,
IN BOOL UseDriverKey,
IN PCWSTR SourceString,
IN ULONG LengthStr,
IN PVOID Buffer,
IN ULONG BufferLength)
{
NTSTATUS Status;
PKEY_VALUE_FULL_INFORMATION KeyValue;
UNICODE_STRING ValueName;
HANDLE KeyHandle;
ULONG LengthKey;
DPRINT("USBPORT_GetRegistryKeyValue: UseDriverKey - %x, SourceString - %S, LengthStr - %x, Buffer - %p, BufferLength - %x\n",
UseDriverKey,
SourceString,
LengthStr,
Buffer,
BufferLength);
if (UseDriverKey)
{
Status = IoOpenDeviceRegistryKey(PdoDevice,
PLUGPLAY_REGKEY_DRIVER,
STANDARD_RIGHTS_ALL,
&KeyHandle);
}
else
{
Status = IoOpenDeviceRegistryKey(PdoDevice,
PLUGPLAY_REGKEY_DEVICE,
STANDARD_RIGHTS_ALL,
&KeyHandle);
}
if (NT_SUCCESS(Status))
{
RtlInitUnicodeString(&ValueName, SourceString);
LengthKey = sizeof(KEY_VALUE_FULL_INFORMATION) +
LengthStr +
BufferLength;
KeyValue = ExAllocatePoolWithTag(PagedPool,
LengthKey,
USB_PORT_TAG);
if (KeyValue)
{
RtlZeroMemory(KeyValue, LengthKey);
Status = ZwQueryValueKey(KeyHandle,
&ValueName,
KeyValueFullInformation,
KeyValue,
LengthKey,
&LengthKey);
if (NT_SUCCESS(Status))
{
RtlCopyMemory(Buffer,
(PUCHAR)KeyValue + KeyValue->DataOffset,
BufferLength);
}
ExFreePoolWithTag(KeyValue, USB_PORT_TAG);
}
ZwClose(KeyHandle);
}
return Status;
}
MPSTATUS
NTAPI
USBPORT_GetMiniportRegistryKeyValue(IN PVOID MiniPortExtension,
IN BOOL UseDriverKey,
IN PCWSTR SourceString,
IN SIZE_T LengthStr,
IN PVOID Buffer,
IN SIZE_T BufferLength)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT FdoDevice;
NTSTATUS Status;
DPRINT("USBPORT_GetMiniportRegistryKeyValue: MiniPortExtension - %p, UseDriverKey - %x, SourceString - %S, LengthStr - %x, Buffer - %p, BufferLength - %x\n",
MiniPortExtension,
UseDriverKey,
SourceString,
LengthStr,
Buffer,
BufferLength);
FdoExtension = (PUSBPORT_DEVICE_EXTENSION)((ULONG_PTR)MiniPortExtension -
sizeof(USBPORT_DEVICE_EXTENSION));
FdoDevice = FdoExtension->CommonExtension.SelfDevice;
Status = USBPORT_GetRegistryKeyValueFullInfo(FdoDevice,
FdoExtension->CommonExtension.LowerPdoDevice,
UseDriverKey,
SourceString,
LengthStr,
Buffer,
BufferLength);
return USBPORT_NtStatusToMpStatus(Status);
}
NTSTATUS
NTAPI
USBPORT_GetSetConfigSpaceData(IN PDEVICE_OBJECT FdoDevice,
IN BOOLEAN IsReadData,
IN PVOID Buffer,
IN ULONG Offset,
IN ULONG Length)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
ULONG BytesReadWrite;
DPRINT("USBPORT_GetSetConfigSpaceData ...\n");
FdoExtension = FdoDevice->DeviceExtension;
BytesReadWrite = Length;
if (IsReadData)
{
RtlZeroMemory(Buffer, Length);
BytesReadWrite = (*FdoExtension->BusInterface.GetBusData)
(FdoExtension->BusInterface.Context,
PCI_WHICHSPACE_CONFIG,
Buffer,
Offset,
Length);
}
else
{
BytesReadWrite = (*FdoExtension->BusInterface.SetBusData)
(FdoExtension->BusInterface.Context,
PCI_WHICHSPACE_CONFIG,
Buffer,
Offset,
Length);
}
if (BytesReadWrite == Length)
{
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
}
MPSTATUS
NTAPI
USBPORT_ReadWriteConfigSpace(IN PVOID MiniPortExtension,
IN BOOLEAN IsReadData,
IN PVOID Buffer,
IN ULONG Offset,
IN ULONG Length)
{
NTSTATUS Status;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT FdoDevice;
DPRINT("USBPORT_ReadWriteConfigSpace: ...\n");
//FdoExtension->MiniPortExt = (PVOID)((ULONG_PTR)FdoExtension + sizeof(USBPORT_DEVICE_EXTENSION));
FdoExtension = (PUSBPORT_DEVICE_EXTENSION)((ULONG_PTR)MiniPortExtension -
sizeof(USBPORT_DEVICE_EXTENSION));
FdoDevice = FdoExtension->CommonExtension.SelfDevice;
Status = USBPORT_GetSetConfigSpaceData(FdoDevice,
IsReadData,
Buffer,
Offset,
Length);
return USBPORT_NtStatusToMpStatus(Status);
}
NTSTATUS
NTAPI
USBPORT_USBDStatusToNtStatus(IN PURB Urb,
IN USBD_STATUS USBDStatus)
{
NTSTATUS Status;
if (USBD_ERROR(USBDStatus))
{
DPRINT1("USBPORT_USBDStatusToNtStatus: Urb - %p, USBDStatus - %x\n",
Urb,
USBDStatus);
}
if (Urb)
Urb->UrbHeader.Status = USBDStatus;
switch (USBDStatus)
{
case USBD_STATUS_SUCCESS:
Status = STATUS_SUCCESS;
break;
case USBD_STATUS_INSUFFICIENT_RESOURCES:
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
case USBD_STATUS_DEVICE_GONE:
Status = STATUS_DEVICE_NOT_CONNECTED;
break;
case USBD_STATUS_CANCELED:
Status = STATUS_CANCELLED;
break;
case USBD_STATUS_NOT_SUPPORTED:
Status = STATUS_NOT_SUPPORTED;
break;
case USBD_STATUS_INVALID_URB_FUNCTION:
case USBD_STATUS_INVALID_PARAMETER:
case USBD_STATUS_INVALID_PIPE_HANDLE:
case USBD_STATUS_BAD_START_FRAME:
Status = STATUS_INVALID_PARAMETER;
break;
default:
if (USBD_ERROR(USBDStatus))
Status = STATUS_UNSUCCESSFUL;
else
Status = STATUS_SUCCESS;
break;
}
return Status;
}
NTSTATUS
NTAPI
USBPORT_Wait(IN PVOID MiniPortExtension,
IN ULONG Milliseconds)
{
LARGE_INTEGER Interval = {{0, 0}};
DPRINT("USBPORT_Wait: Milliseconds - %x\n", Milliseconds);
Interval.QuadPart -= 10000 * Milliseconds + (KeQueryTimeIncrement() - 1);
return KeDelayExecutionThread(KernelMode, FALSE, &Interval);
}
VOID
NTAPI
USBPORT_MiniportInterrupts(IN PDEVICE_OBJECT FdoDevice,
IN BOOLEAN IsEnable)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
BOOLEAN IsLock;
KIRQL OldIrql;
DPRINT_INT("USBPORT_MiniportInterrupts: IsEnable - %p\n", IsEnable);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
IsLock = (Packet->MiniPortFlags & USB_MINIPORT_FLAGS_NOT_LOCK_INT) == 0;
if (IsLock)
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
if (IsEnable)
{
FdoExtension->Flags |= USBPORT_FLAG_INTERRUPT_ENABLED;
Packet->EnableInterrupts(FdoExtension->MiniPortExt);
}
else
{
Packet->DisableInterrupts(FdoExtension->MiniPortExt);
FdoExtension->Flags &= ~USBPORT_FLAG_INTERRUPT_ENABLED;
}
if (IsLock)
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_SoftInterruptDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT_INT("USBPORT_SoftInterruptDpc: ...\n");
FdoDevice = DeferredContext;
FdoExtension = FdoDevice->DeviceExtension;
if (!KeInsertQueueDpc(&FdoExtension->IsrDpc, NULL, (PVOID)1))
{
InterlockedDecrement(&FdoExtension->IsrDpcCounter);
}
}
VOID
NTAPI
USBPORT_SoftInterrupt(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
LARGE_INTEGER DueTime = {{0, 0}};
DPRINT_INT("USBPORT_SoftInterrupt: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
KeInitializeTimer(&FdoExtension->TimerSoftInterrupt);
KeInitializeDpc(&FdoExtension->SoftInterruptDpc,
USBPORT_SoftInterruptDpc,
FdoDevice);
DueTime.QuadPart -= 10000 + (KeQueryTimeIncrement() - 1);
KeSetTimer(&FdoExtension->TimerSoftInterrupt,
DueTime,
&FdoExtension->SoftInterruptDpc);
}
VOID
NTAPI
USBPORT_InvalidateControllerHandler(IN PDEVICE_OBJECT FdoDevice,
IN ULONG Type)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT_CORE("USBPORT_InvalidateControllerHandler: Invalidate Type - %x\n",
Type);
FdoExtension = FdoDevice->DeviceExtension;
switch (Type)
{
case USBPORT_INVALIDATE_CONTROLLER_RESET:
DPRINT1("USBPORT_InvalidateControllerHandler: INVALIDATE_CONTROLLER_RESET UNIMPLEMENTED. FIXME.\n");
break;
case USBPORT_INVALIDATE_CONTROLLER_SURPRISE_REMOVE:
DPRINT1("USBPORT_InvalidateControllerHandler: INVALIDATE_CONTROLLER_SURPRISE_REMOVE UNIMPLEMENTED. FIXME.\n");
break;
case USBPORT_INVALIDATE_CONTROLLER_SOFT_INTERRUPT:
if (InterlockedIncrement(&FdoExtension->IsrDpcCounter))
{
InterlockedDecrement(&FdoExtension->IsrDpcCounter);
}
else
{
USBPORT_SoftInterrupt(FdoDevice);
}
break;
}
}
ULONG
NTAPI
USBPORT_InvalidateController(IN PVOID MiniPortExtension,
IN ULONG Type)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT FdoDevice;
DPRINT("USBPORT_InvalidateController: Invalidate Type - %x\n", Type);
//FdoExtension->MiniPortExt = (PVOID)((ULONG_PTR)FdoExtension + sizeof(USBPORT_DEVICE_EXTENSION));
FdoExtension = (PUSBPORT_DEVICE_EXTENSION)((ULONG_PTR)MiniPortExtension -
sizeof(USBPORT_DEVICE_EXTENSION));
FdoDevice = FdoExtension->CommonExtension.SelfDevice;
USBPORT_InvalidateControllerHandler(FdoDevice, Type);
return 0;
}
ULONG
NTAPI
USBPORT_NotifyDoubleBuffer(IN PVOID MiniPortExtension,
IN PVOID MiniPortTransfer,
IN PVOID Buffer,
IN SIZE_T Length)
{
DPRINT1("USBPORT_NotifyDoubleBuffer: UNIMPLEMENTED. FIXME.\n");
return 0;
}
VOID
NTAPI
USBPORT_WorkerRequestDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT("USBPORT_WorkerRequestDpc: ...\n");
FdoDevice = DeferredContext;
FdoExtension = FdoDevice->DeviceExtension;
if (!InterlockedIncrement(&FdoExtension->IsrDpcHandlerCounter))
{
USBPORT_DpcHandler(FdoDevice);
}
InterlockedDecrement(&FdoExtension->IsrDpcHandlerCounter);
}
VOID
NTAPI
USBPORT_DoneTransfer(IN PUSBPORT_TRANSFER Transfer)
{
PUSBPORT_ENDPOINT Endpoint;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PURB Urb;
PIRP Irp;
KIRQL CancelIrql;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_DoneTransfer: Transfer - %p\n", Transfer);
Endpoint = Transfer->Endpoint;
FdoDevice = Endpoint->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
Urb = Transfer->Urb;
Irp = Transfer->Irp;
KeAcquireSpinLock(&FdoExtension->FlushTransferSpinLock, &OldIrql);
if (Irp)
{
IoAcquireCancelSpinLock(&CancelIrql);
IoSetCancelRoutine(Irp, NULL);
IoReleaseCancelSpinLock(CancelIrql);
USBPORT_RemoveActiveTransferIrp(FdoDevice, Irp);
}
KeReleaseSpinLock(&FdoExtension->FlushTransferSpinLock, OldIrql);
USBPORT_USBDStatusToNtStatus(Transfer->Urb, Transfer->USBDStatus);
USBPORT_CompleteTransfer(Urb, Urb->UrbHeader.Status);
DPRINT_CORE("USBPORT_DoneTransfer: exit\n");
}
VOID
NTAPI
USBPORT_FlushDoneTransfers(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PLIST_ENTRY DoneTransferList;
PUSBPORT_TRANSFER Transfer;
PUSBPORT_ENDPOINT Endpoint;
ULONG TransferCount;
KIRQL OldIrql;
BOOLEAN IsHasTransfers;
DPRINT_CORE("USBPORT_FlushDoneTransfers: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
DoneTransferList = &FdoExtension->DoneTransferList;
while (TRUE)
{
KeAcquireSpinLock(&FdoExtension->DoneTransferSpinLock, &OldIrql);
if (IsListEmpty(DoneTransferList))
break;
Transfer = CONTAINING_RECORD(DoneTransferList->Flink,
USBPORT_TRANSFER,
TransferLink);
RemoveHeadList(DoneTransferList);
KeReleaseSpinLock(&FdoExtension->DoneTransferSpinLock, OldIrql);
if (Transfer)
{
Endpoint = Transfer->Endpoint;
if ((Transfer->Flags & TRANSFER_FLAG_SPLITED))
{
USBPORT_DoneSplitTransfer(Transfer);
}
else
{
USBPORT_DoneTransfer(Transfer);
}
IsHasTransfers = USBPORT_EndpointHasQueuedTransfers(FdoDevice,
Endpoint,
&TransferCount);
if (IsHasTransfers && !TransferCount)
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_DPC);
}
}
}
KeReleaseSpinLock(&FdoExtension->DoneTransferSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_TransferFlushDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
DPRINT_CORE("USBPORT_TransferFlushDpc: ...\n");
FdoDevice = DeferredContext;
USBPORT_FlushDoneTransfers(FdoDevice);
}
BOOLEAN
NTAPI
USBPORT_QueueDoneTransfer(IN PUSBPORT_TRANSFER Transfer,
IN USBD_STATUS USBDStatus)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
DPRINT_CORE("USBPORT_QueueDoneTransfer: Transfer - %p, USBDStatus - %p\n",
Transfer,
USBDStatus);
FdoDevice = Transfer->Endpoint->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
RemoveEntryList(&Transfer->TransferLink);
Transfer->USBDStatus = USBDStatus;
ExInterlockedInsertTailList(&FdoExtension->DoneTransferList,
&Transfer->TransferLink,
&FdoExtension->DoneTransferSpinLock);
return KeInsertQueueDpc(&FdoExtension->TransferFlushDpc, NULL, NULL);
}
VOID
NTAPI
USBPORT_DpcHandler(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_ENDPOINT Endpoint;
PLIST_ENTRY Entry;
LIST_ENTRY List;
LONG LockCounter;
DPRINT_CORE("USBPORT_DpcHandler: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
InitializeListHead(&List);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->EndpointListSpinLock);
Entry = FdoExtension->EndpointList.Flink;
while (Entry && Entry != &FdoExtension->EndpointList)
{
Endpoint = CONTAINING_RECORD(Entry,
USBPORT_ENDPOINT,
EndpointLink);
LockCounter = InterlockedIncrement(&Endpoint->LockCounter);
if (USBPORT_GetEndpointState(Endpoint) != USBPORT_ENDPOINT_ACTIVE ||
LockCounter ||
Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0)
{
InterlockedDecrement(&Endpoint->LockCounter);
}
else
{
InsertTailList(&List, &Endpoint->DispatchLink);
if (Endpoint->WorkerLink.Flink && Endpoint->WorkerLink.Blink)
{
RemoveEntryList(&Endpoint->WorkerLink);
Endpoint->WorkerLink.Flink = NULL;
Endpoint->WorkerLink.Blink = NULL;
}
}
Entry = Endpoint->EndpointLink.Flink;
}
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
while (!IsListEmpty(&List))
{
Endpoint = CONTAINING_RECORD(List.Flink,
USBPORT_ENDPOINT,
DispatchLink);
RemoveEntryList(List.Flink);
Endpoint->DispatchLink.Flink = NULL;
Endpoint->DispatchLink.Blink = NULL;
USBPORT_EndpointWorker(Endpoint, TRUE);
USBPORT_FlushPendingTransfers(Endpoint);
}
KeAcquireSpinLockAtDpcLevel(&FdoExtension->EndpointListSpinLock);
if (!IsListEmpty(&FdoExtension->WorkerList))
{
USBPORT_SignalWorkerThread(FdoDevice);
}
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
USBPORT_FlushDoneTransfers(FdoDevice);
}
VOID
NTAPI
USBPORT_IsrDpcHandler(IN PDEVICE_OBJECT FdoDevice,
IN BOOLEAN IsDpcHandler)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PUSBPORT_ENDPOINT Endpoint;
PLIST_ENTRY List;
ULONG FrameNumber;
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
DPRINT_CORE("USBPORT_IsrDpcHandler: IsDpcHandler - %x\n", IsDpcHandler);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (InterlockedIncrement(&FdoExtension->IsrDpcHandlerCounter))
{
KeInsertQueueDpc(&FdoExtension->IsrDpc, NULL, NULL);
InterlockedDecrement(&FdoExtension->IsrDpcHandlerCounter);
return;
}
for (List = ExInterlockedRemoveHeadList(&FdoExtension->EpStateChangeList,
&FdoExtension->EpStateChangeSpinLock);
List != NULL;
List = ExInterlockedRemoveHeadList(&FdoExtension->EpStateChangeList,
&FdoExtension->EpStateChangeSpinLock))
{
Endpoint = CONTAINING_RECORD(List,
USBPORT_ENDPOINT,
StateChangeLink);
DPRINT_CORE("USBPORT_IsrDpcHandler: Endpoint - %p\n", Endpoint);
KeAcquireSpinLockAtDpcLevel(&Endpoint->EndpointSpinLock);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
FrameNumber = Packet->Get32BitFrameNumber(FdoExtension->MiniPortExt);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
if (FrameNumber <= Endpoint->FrameNumber &&
!(Endpoint->Flags & ENDPOINT_FLAG_NUKE))
{
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
ExInterlockedInsertHeadList(&FdoExtension->EpStateChangeList,
&Endpoint->StateChangeLink,
&FdoExtension->EpStateChangeSpinLock);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
Packet->InterruptNextSOF(FdoExtension->MiniPortExt);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
break;
}
KeReleaseSpinLockFromDpcLevel(&Endpoint->EndpointSpinLock);
KeAcquireSpinLockAtDpcLevel(&Endpoint->StateChangeSpinLock);
Endpoint->StateLast = Endpoint->StateNext;
KeReleaseSpinLockFromDpcLevel(&Endpoint->StateChangeSpinLock);
DPRINT_CORE("USBPORT_IsrDpcHandler: Endpoint->StateLast - %x\n",
Endpoint->StateLast);
if (IsDpcHandler)
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_ONLY);
}
else
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_THREAD);
}
}
if (IsDpcHandler)
{
USBPORT_DpcHandler(FdoDevice);
}
InterlockedDecrement(&FdoExtension->IsrDpcHandlerCounter);
}
VOID
NTAPI
USBPORT_IsrDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
BOOLEAN InterruptEnable;
DPRINT_INT("USBPORT_IsrDpc: DeferredContext - %p, SystemArgument2 - %p\n",
DeferredContext,
SystemArgument2);
FdoDevice = DeferredContext;
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (SystemArgument2)
{
InterlockedDecrement(&FdoExtension->IsrDpcCounter);
}
KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportInterruptsSpinLock);
InterruptEnable = (FdoExtension->Flags & USBPORT_FLAG_INTERRUPT_ENABLED) ==
USBPORT_FLAG_INTERRUPT_ENABLED;
Packet->InterruptDpc(FdoExtension->MiniPortExt, InterruptEnable);
KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportInterruptsSpinLock);
if (FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND &&
FdoExtension->TimerFlags & USBPORT_TMFLAG_WAKE)
{
USBPORT_CompletePdoWaitWake(FdoDevice);
}
else
{
USBPORT_IsrDpcHandler(FdoDevice, TRUE);
}
DPRINT_INT("USBPORT_IsrDpc: exit\n");
}
BOOLEAN
NTAPI
USBPORT_InterruptService(IN PKINTERRUPT Interrupt,
IN PVOID ServiceContext)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
BOOLEAN Result = FALSE;
FdoDevice = ServiceContext;
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
DPRINT_INT("USBPORT_InterruptService: FdoExtension[%p]->Flags - %08X\n",
FdoExtension,
FdoExtension->Flags);
if (FdoExtension->Flags & USBPORT_FLAG_INTERRUPT_ENABLED &&
FdoExtension->MiniPortFlags & USBPORT_MPFLAG_INTERRUPTS_ENABLED)
{
Result = Packet->InterruptService(FdoExtension->MiniPortExt);
if (Result)
{
KeInsertQueueDpc(&FdoExtension->IsrDpc, NULL, NULL);
}
}
DPRINT_INT("USBPORT_InterruptService: return - %x\n", Result);
return Result;
}
VOID
NTAPI
USBPORT_SignalWorkerThread(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_SignalWorkerThread ...\n");
FdoExtension = FdoDevice->DeviceExtension;
KeAcquireSpinLock(&FdoExtension->WorkerThreadEventSpinLock, &OldIrql);
KeSetEvent(&FdoExtension->WorkerThreadEvent, EVENT_INCREMENT, FALSE);
KeReleaseSpinLock(&FdoExtension->WorkerThreadEventSpinLock, OldIrql);
}
VOID
NTAPI
USBPORT_WorkerThreadHandler(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PLIST_ENTRY workerList;
KIRQL OldIrql;
PUSBPORT_ENDPOINT Endpoint;
LIST_ENTRY list;
BOOLEAN Result;
DPRINT_CORE("USBPORT_WorkerThreadHandler: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
if (!(FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND))
{
Packet->CheckController(FdoExtension->MiniPortExt);
}
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
InitializeListHead(&list);
USBPORT_FlushAllEndpoints(FdoDevice);
while (TRUE)
{
KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->EndpointListSpinLock);
workerList = &FdoExtension->WorkerList;
if (IsListEmpty(workerList))
break;
Endpoint = CONTAINING_RECORD(workerList->Flink,
USBPORT_ENDPOINT,
WorkerLink);
DPRINT_CORE("USBPORT_WorkerThreadHandler: Endpoint - %p\n", Endpoint);
RemoveHeadList(workerList);
Endpoint->WorkerLink.Blink = NULL;
Endpoint->WorkerLink.Flink = NULL;
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
Result = USBPORT_EndpointWorker(Endpoint, FALSE);
KeAcquireSpinLockAtDpcLevel(&FdoExtension->EndpointListSpinLock);
if (Result)
{
if (Endpoint->FlushAbortLink.Flink == NULL ||
Endpoint->FlushAbortLink.Blink == NULL)
{
InsertTailList(&list, &Endpoint->FlushAbortLink);
}
}
while (!IsListEmpty(&list))
{
Endpoint = CONTAINING_RECORD(list.Flink,
USBPORT_ENDPOINT,
FlushAbortLink);
RemoveHeadList(&list);
Endpoint->FlushAbortLink.Flink = NULL;
Endpoint->FlushAbortLink.Blink = NULL;
if (Endpoint->WorkerLink.Flink == NULL ||
Endpoint->WorkerLink.Blink == NULL)
{
InsertTailList(&FdoExtension->WorkerList,
&Endpoint->WorkerLink);
USBPORT_SignalWorkerThread(FdoDevice);
}
}
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
KeLowerIrql(OldIrql);
}
KeReleaseSpinLockFromDpcLevel(&FdoExtension->EndpointListSpinLock);
KeLowerIrql(OldIrql);
USBPORT_FlushClosedEndpointList(FdoDevice);
}
VOID
NTAPI
USBPORT_DoRootHubCallback(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT PdoDevice;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PRH_INIT_CALLBACK RootHubInitCallback;
PVOID RootHubInitContext;
FdoExtension = FdoDevice->DeviceExtension;
DPRINT("USBPORT_DoRootHubCallback: FdoDevice - %p\n", FdoDevice);
PdoDevice = FdoExtension->RootHubPdo;
if (PdoDevice)
{
PdoExtension = PdoDevice->DeviceExtension;
RootHubInitContext = PdoExtension->RootHubInitContext;
RootHubInitCallback = PdoExtension->RootHubInitCallback;
PdoExtension->RootHubInitCallback = NULL;
PdoExtension->RootHubInitContext = NULL;
if (RootHubInitCallback)
{
RootHubInitCallback(RootHubInitContext);
}
}
DPRINT("USBPORT_DoRootHubCallback: exit\n");
}
VOID
NTAPI
USBPORT_SynchronizeRootHubCallback(IN PDEVICE_OBJECT FdoDevice,
IN PDEVICE_OBJECT Usb2FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
PUSBPORT_DEVICE_EXTENSION Usb2FdoExtension;
PDEVICE_RELATIONS CompanionControllersList;
PUSBPORT_DEVICE_EXTENSION CompanionFdoExtension;
PDEVICE_OBJECT * Entry;
ULONG ix;
DPRINT("USBPORT_SynchronizeRootHubCallback: FdoDevice - %p, Usb2FdoDevice - %p\n",
FdoDevice,
Usb2FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
if (Usb2FdoDevice == NULL &&
!(Packet->MiniPortFlags & USB_MINIPORT_FLAGS_USB2))
{
/* Not Companion USB11 Controller */
USBPORT_DoRootHubCallback(FdoDevice);
FdoExtension->Flags &= ~USBPORT_FLAG_RH_INIT_CALLBACK;
InterlockedCompareExchange(&FdoExtension->RHInitCallBackLock, 0, 1);
DPRINT("USBPORT_SynchronizeRootHubCallback: exit\n");
return;
}
/* USB2 or Companion USB11 */
DPRINT("USBPORT_SynchronizeRootHubCallback: FdoExtension->Flags - %p\n",
FdoExtension->Flags);
if (!(FdoExtension->Flags & USBPORT_FLAG_COMPANION_HC))
{
KeWaitForSingleObject(&FdoExtension->ControllerSemaphore,
Executive,
KernelMode,
FALSE,
NULL);
FdoExtension->Flags |= USBPORT_FLAG_PWR_AND_CHIRP_LOCK;
if (!(FdoExtension->Flags & (USBPORT_FLAG_HC_SUSPEND |
USBPORT_FLAG_POWER_AND_CHIRP_OK)))
{
USBPORT_RootHubPowerAndChirpAllCcPorts(FdoDevice);
FdoExtension->Flags |= USBPORT_FLAG_POWER_AND_CHIRP_OK;
}
FdoExtension->Flags &= ~USBPORT_FLAG_PWR_AND_CHIRP_LOCK;
KeReleaseSemaphore(&FdoExtension->ControllerSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
CompanionControllersList = USBPORT_FindCompanionControllers(FdoDevice,
FALSE,
TRUE);
if (CompanionControllersList)
{
Entry = &CompanionControllersList->Objects[0];
for (ix = 0; ix < CompanionControllersList->Count; ++ix)
{
CompanionFdoExtension = ((*Entry)->DeviceExtension);
InterlockedCompareExchange(&CompanionFdoExtension->RHInitCallBackLock,
0,
1);
++Entry;
}
ExFreePoolWithTag(CompanionControllersList, USB_PORT_TAG);
}
USBPORT_DoRootHubCallback(FdoDevice);
FdoExtension->Flags &= ~USBPORT_FLAG_RH_INIT_CALLBACK;
InterlockedCompareExchange(&FdoExtension->RHInitCallBackLock, 0, 1);
}
else
{
Usb2FdoExtension = Usb2FdoDevice->DeviceExtension;
USBPORT_Wait(FdoDevice, 50);
while (FdoExtension->RHInitCallBackLock)
{
USBPORT_Wait(FdoDevice, 10);
Usb2FdoExtension->Flags |= USBPORT_FLAG_RH_INIT_CALLBACK;
USBPORT_SignalWorkerThread(Usb2FdoDevice);
}
USBPORT_DoRootHubCallback(FdoDevice);
FdoExtension->Flags &= ~USBPORT_FLAG_RH_INIT_CALLBACK;
}
DPRINT("USBPORT_SynchronizeRootHubCallback: exit\n");
}
VOID
NTAPI
USBPORT_WorkerThread(IN PVOID StartContext)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
LARGE_INTEGER OldTime;
LARGE_INTEGER NewTime;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_WorkerThread ...\n");
FdoDevice = StartContext;
FdoExtension = FdoDevice->DeviceExtension;
FdoExtension->WorkerThread = KeGetCurrentThread();
do
{
KeQuerySystemTime(&OldTime);
KeWaitForSingleObject(&FdoExtension->WorkerThreadEvent,
Suspended,
KernelMode,
FALSE,
NULL);
if (FdoExtension->Flags & USBPORT_FLAG_WORKER_THREAD_EXIT)
{
break;
}
KeQuerySystemTime(&NewTime);
KeAcquireSpinLock(&FdoExtension->WorkerThreadEventSpinLock, &OldIrql);
KeClearEvent(&FdoExtension->WorkerThreadEvent);
KeReleaseSpinLock(&FdoExtension->WorkerThreadEventSpinLock, OldIrql);
DPRINT_CORE("USBPORT_WorkerThread: run\n");
if (FdoExtension->MiniPortFlags & USBPORT_MPFLAG_INTERRUPTS_ENABLED)
{
USBPORT_DoSetPowerD0(FdoDevice);
if (FdoExtension->Flags & USBPORT_FLAG_RH_INIT_CALLBACK)
{
PDEVICE_OBJECT USB2FdoDevice = NULL;
USB2FdoDevice = USBPORT_FindUSB2Controller(FdoDevice);
USBPORT_SynchronizeRootHubCallback(FdoDevice, USB2FdoDevice);
}
}
USBPORT_WorkerThreadHandler(FdoDevice);
}
while (!(FdoExtension->Flags & USBPORT_FLAG_WORKER_THREAD_ON));
PsTerminateSystemThread(0);
}
NTSTATUS
NTAPI
USBPORT_CreateWorkerThread(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
NTSTATUS Status;
DPRINT("USBPORT_CreateWorkerThread ...\n");
FdoExtension = FdoDevice->DeviceExtension;
FdoExtension->Flags &= ~USBPORT_FLAG_WORKER_THREAD_ON;
KeInitializeEvent(&FdoExtension->WorkerThreadEvent,
NotificationEvent,
FALSE);
Status = PsCreateSystemThread(&FdoExtension->WorkerThreadHandle,
THREAD_ALL_ACCESS,
NULL,
NULL,
NULL,
USBPORT_WorkerThread,
(PVOID)FdoDevice);
return Status;
}
VOID
NTAPI
USBPORT_StopWorkerThread(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
NTSTATUS Status;
DPRINT("USBPORT_StopWorkerThread ...\n");
FdoExtension = FdoDevice->DeviceExtension;
FdoExtension->Flags |= USBPORT_FLAG_WORKER_THREAD_EXIT;
USBPORT_SignalWorkerThread(FdoDevice);
Status = ZwWaitForSingleObject(FdoExtension->WorkerThreadHandle, FALSE, NULL);
NT_ASSERT(Status == STATUS_SUCCESS);
}
VOID
NTAPI
USBPORT_SynchronizeControllersStart(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT PdoDevice;
PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
PDEVICE_OBJECT USB2FdoDevice = NULL;
PUSBPORT_DEVICE_EXTENSION USB2FdoExtension;
BOOLEAN IsOn;
DPRINT_TIMER("USBPORT_SynchronizeControllersStart: FdoDevice - %p\n",
FdoDevice);
FdoExtension = FdoDevice->DeviceExtension;
PdoDevice = FdoExtension->RootHubPdo;
if (!PdoDevice)
{
return;
}
PdoExtension = PdoDevice->DeviceExtension;
if (PdoExtension->RootHubInitCallback == NULL ||
FdoExtension->Flags & USBPORT_FLAG_RH_INIT_CALLBACK)
{
return;
}
DPRINT_TIMER("USBPORT_SynchronizeControllersStart: Flags - %p\n",
FdoExtension->Flags);
if (FdoExtension->Flags & USBPORT_FLAG_COMPANION_HC)
{
IsOn = FALSE;
USB2FdoDevice = USBPORT_FindUSB2Controller(FdoDevice);
DPRINT_TIMER("USBPORT_SynchronizeControllersStart: USB2FdoDevice - %p\n",
USB2FdoDevice);
if (USB2FdoDevice)
{
USB2FdoExtension = USB2FdoDevice->DeviceExtension;
if (USB2FdoExtension->CommonExtension.PnpStateFlags &
USBPORT_PNP_STATE_STARTED)
{
IsOn = TRUE;
}
}
if (!(FdoExtension->Flags & USBPORT_FLAG_NO_HACTION))
{
goto Start;
}
USB2FdoDevice = NULL;
}
IsOn = TRUE;
Start:
if (IsOn &&
!InterlockedCompareExchange(&FdoExtension->RHInitCallBackLock, 1, 0))
{
FdoExtension->Flags |= USBPORT_FLAG_RH_INIT_CALLBACK;
USBPORT_SignalWorkerThread(FdoDevice);
if (USB2FdoDevice)
{
USB2FdoExtension = USB2FdoDevice->DeviceExtension;
USB2FdoExtension->Flags |= USBPORT_FLAG_RH_INIT_CALLBACK;
USBPORT_SignalWorkerThread(USB2FdoDevice);
}
}
DPRINT_TIMER("USBPORT_SynchronizeControllersStart: exit\n");
}
VOID
NTAPI
USBPORT_TimerDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_REGISTRATION_PACKET Packet;
LARGE_INTEGER DueTime = {{0, 0}};
ULONG TimerFlags;
PTIMER_WORK_QUEUE_ITEM IdleQueueItem;
KIRQL OldIrql;
KIRQL TimerOldIrql;
DPRINT_TIMER("USBPORT_TimerDpc: Dpc - %p, DeferredContext - %p\n",
Dpc,
DeferredContext);
FdoDevice = DeferredContext;
FdoExtension = FdoDevice->DeviceExtension;
Packet = &FdoExtension->MiniPortInterface->Packet;
KeAcquireSpinLock(&FdoExtension->TimerFlagsSpinLock, &TimerOldIrql);
TimerFlags = FdoExtension->TimerFlags;
DPRINT_TIMER("USBPORT_TimerDpc: Flags - %p, TimerFlags - %p\n",
FdoExtension->Flags,
TimerFlags);
if (FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND &&
FdoExtension->Flags & USBPORT_FLAG_HC_WAKE_SUPPORT &&
!(TimerFlags & USBPORT_TMFLAG_HC_RESUME))
{
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->PollController(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
}
USBPORT_SynchronizeControllersStart(FdoDevice);
if (TimerFlags & USBPORT_TMFLAG_HC_SUSPENDED)
{
USBPORT_BadRequestFlush(FdoDevice);
goto Exit;
}
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
if (!(FdoExtension->Flags & USBPORT_FLAG_HC_SUSPEND))
{
Packet->CheckController(FdoExtension->MiniPortExt);
}
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
if (FdoExtension->Flags & USBPORT_FLAG_HC_POLLING)
{
KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
Packet->PollController(FdoExtension->MiniPortExt);
KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
}
USBPORT_IsrDpcHandler(FdoDevice, FALSE);
DPRINT_TIMER("USBPORT_TimerDpc: USBPORT_TimeoutAllEndpoints UNIMPLEMENTED.\n");
//USBPORT_TimeoutAllEndpoints(FdoDevice);
DPRINT_TIMER("USBPORT_TimerDpc: USBPORT_CheckIdleEndpoints UNIMPLEMENTED.\n");
//USBPORT_CheckIdleEndpoints(FdoDevice);
USBPORT_BadRequestFlush(FdoDevice);
if (FdoExtension->IdleLockCounter > -1 &&
!(TimerFlags & USBPORT_TMFLAG_IDLE_QUEUEITEM_ON))
{
IdleQueueItem = ExAllocatePoolWithTag(NonPagedPool,
sizeof(TIMER_WORK_QUEUE_ITEM),
USB_PORT_TAG);
DPRINT("USBPORT_TimerDpc: IdleLockCounter - %x, IdleQueueItem - %p\n",
FdoExtension->IdleLockCounter,
IdleQueueItem);
if (IdleQueueItem)
{
RtlZeroMemory(IdleQueueItem, sizeof(TIMER_WORK_QUEUE_ITEM));
IdleQueueItem->WqItem.List.Flink = NULL;
IdleQueueItem->WqItem.WorkerRoutine = USBPORT_DoIdleNotificationCallback;
IdleQueueItem->WqItem.Parameter = IdleQueueItem;
IdleQueueItem->FdoDevice = FdoDevice;
IdleQueueItem->Context = 0;
FdoExtension->TimerFlags |= USBPORT_TMFLAG_IDLE_QUEUEITEM_ON;
ExQueueWorkItem(&IdleQueueItem->WqItem, CriticalWorkQueue);
}
}
Exit:
KeReleaseSpinLock(&FdoExtension->TimerFlagsSpinLock, TimerOldIrql);
if (TimerFlags & USBPORT_TMFLAG_TIMER_QUEUED)
{
DueTime.QuadPart -= FdoExtension->TimerValue * 10000 +
(KeQueryTimeIncrement() - 1);
KeSetTimer(&FdoExtension->TimerObject,
DueTime,
&FdoExtension->TimerDpc);
}
DPRINT_TIMER("USBPORT_TimerDpc: exit\n");
}
BOOLEAN
NTAPI
USBPORT_StartTimer(IN PDEVICE_OBJECT FdoDevice,
IN ULONG Time)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
LARGE_INTEGER DueTime = {{0, 0}};
ULONG TimeIncrement;
BOOLEAN Result;
DPRINT_TIMER("USBPORT_StartTimer: FdoDevice - %p, Time - %x\n",
FdoDevice,
Time);
FdoExtension = FdoDevice->DeviceExtension;
TimeIncrement = KeQueryTimeIncrement();
FdoExtension->TimerFlags |= USBPORT_TMFLAG_TIMER_QUEUED;
FdoExtension->TimerValue = Time;
KeInitializeTimer(&FdoExtension->TimerObject);
KeInitializeDpc(&FdoExtension->TimerDpc, USBPORT_TimerDpc, FdoDevice);
DueTime.QuadPart -= 10000 * Time + (TimeIncrement - 1);
Result = KeSetTimer(&FdoExtension->TimerObject,
DueTime,
&FdoExtension->TimerDpc);
return Result;
}
PUSBPORT_COMMON_BUFFER_HEADER
NTAPI
USBPORT_AllocateCommonBuffer(IN PDEVICE_OBJECT FdoDevice,
IN SIZE_T BufferLength)
{
PUSBPORT_COMMON_BUFFER_HEADER HeaderBuffer = NULL;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDMA_ADAPTER DmaAdapter;
PDMA_OPERATIONS DmaOperations;
SIZE_T HeaderSize;
ULONG Length = 0;
ULONG LengthPadded;
PHYSICAL_ADDRESS LogicalAddress;
ULONG_PTR BaseVA;
ULONG_PTR StartBufferVA;
ULONG StartBufferPA;
DPRINT("USBPORT_AllocateCommonBuffer: FdoDevice - %p, BufferLength - %p\n",
FdoDevice,
BufferLength);
if (BufferLength == 0)
goto Exit;
FdoExtension = FdoDevice->DeviceExtension;
DmaAdapter = FdoExtension->DmaAdapter;
DmaOperations = DmaAdapter->DmaOperations;
HeaderSize = sizeof(USBPORT_COMMON_BUFFER_HEADER);
Length = ROUND_TO_PAGES(BufferLength + HeaderSize);
LengthPadded = Length - (BufferLength + HeaderSize);
BaseVA = (ULONG_PTR)DmaOperations->AllocateCommonBuffer(DmaAdapter,
Length,
&LogicalAddress,
TRUE);
if (!BaseVA)
goto Exit;
StartBufferVA = BaseVA & ~(PAGE_SIZE - 1);
StartBufferPA = LogicalAddress.LowPart & ~(PAGE_SIZE - 1);
HeaderBuffer = (PUSBPORT_COMMON_BUFFER_HEADER)(StartBufferVA +
BufferLength +
LengthPadded);
HeaderBuffer->Length = Length;
HeaderBuffer->BaseVA = BaseVA;
HeaderBuffer->LogicalAddress = LogicalAddress;
HeaderBuffer->BufferLength = BufferLength + LengthPadded;
HeaderBuffer->VirtualAddress = StartBufferVA;
HeaderBuffer->PhysicalAddress = StartBufferPA;
RtlZeroMemory((PVOID)StartBufferVA, BufferLength + LengthPadded);
Exit:
return HeaderBuffer;
}
VOID
NTAPI
USBPORT_FreeCommonBuffer(IN PDEVICE_OBJECT FdoDevice,
IN PUSBPORT_COMMON_BUFFER_HEADER HeaderBuffer)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDMA_ADAPTER DmaAdapter;
PDMA_OPERATIONS DmaOperations;
DPRINT("USBPORT_FreeCommonBuffer: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
DmaAdapter = FdoExtension->DmaAdapter;
DmaOperations = DmaAdapter->DmaOperations;
DmaOperations->FreeCommonBuffer(FdoExtension->DmaAdapter,
HeaderBuffer->Length,
HeaderBuffer->LogicalAddress,
(PVOID)HeaderBuffer->VirtualAddress,
TRUE);
}
PUSBPORT_MINIPORT_INTERFACE
NTAPI
USBPORT_FindMiniPort(IN PDRIVER_OBJECT DriverObject)
{
KIRQL OldIrql;
PLIST_ENTRY List;
PUSBPORT_MINIPORT_INTERFACE MiniPortInterface;
BOOLEAN IsFound = FALSE;
DPRINT("USBPORT_FindMiniPort: ...\n");
KeAcquireSpinLock(&USBPORT_SpinLock, &OldIrql);
for (List = USBPORT_MiniPortDrivers.Flink;
List != &USBPORT_MiniPortDrivers;
List = List->Flink)
{
MiniPortInterface = CONTAINING_RECORD(List,
USBPORT_MINIPORT_INTERFACE,
DriverLink);
if (MiniPortInterface->DriverObject == DriverObject)
{
DPRINT("USBPORT_FindMiniPort: find MiniPortInterface - %p\n",
MiniPortInterface);
IsFound = TRUE;
break;
}
}
KeReleaseSpinLock(&USBPORT_SpinLock, OldIrql);
if (IsFound)
return MiniPortInterface;
else
return NULL;
}
NTSTATUS
NTAPI
USBPORT_AddDevice(IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT PhysicalDeviceObject)
{
NTSTATUS Status;
PUSBPORT_MINIPORT_INTERFACE MiniPortInterface;
ULONG DeviceNumber = 0;
WCHAR CharDeviceName[64];
UNICODE_STRING DeviceName;
PDEVICE_OBJECT DeviceObject;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_COMMON_DEVICE_EXTENSION FdoCommonExtension;
PDEVICE_OBJECT LowerDevice;
ULONG Length;
DPRINT("USBPORT_AddDevice: DriverObject - %p, PhysicalDeviceObject - %p\n",
DriverObject,
PhysicalDeviceObject);
MiniPortInterface = USBPORT_FindMiniPort(DriverObject);
if (!MiniPortInterface)
{
DPRINT("USBPORT_AddDevice: USBPORT_FindMiniPort not found MiniPortInterface\n");
return STATUS_UNSUCCESSFUL;
}
while (TRUE)
{
/* Construct device name */
RtlStringCbPrintfW(CharDeviceName,
sizeof(CharDeviceName),
L"\\Device\\USBFDO-%d",
DeviceNumber);
RtlInitUnicodeString(&DeviceName, CharDeviceName);
ASSERT(MiniPortInterface->Packet.MiniPortExtensionSize <=
MAXULONG - sizeof(USBPORT_DEVICE_EXTENSION) - sizeof(USB2_HC_EXTENSION));
Length = (ULONG)(sizeof(USBPORT_DEVICE_EXTENSION) +
MiniPortInterface->Packet.MiniPortExtensionSize +
sizeof(USB2_HC_EXTENSION));
/* Create device */
Status = IoCreateDevice(DriverObject,
Length,
&DeviceName,
FILE_DEVICE_CONTROLLER,
0,
FALSE,
&DeviceObject);
/* Check for success */
if (NT_SUCCESS(Status)) break;
/* Is there a device object with that same name */
if ((Status == STATUS_OBJECT_NAME_EXISTS) ||
(Status == STATUS_OBJECT_NAME_COLLISION))
{
/* Try the next name */
DeviceNumber++;
continue;
}
/* Bail out on other errors */
if (!NT_SUCCESS(Status))
{
DPRINT1("USBPORT_AddDevice: failed to create %wZ, Status %x\n",
&DeviceName,
Status);
return Status;
}
}
DPRINT("USBPORT_AddDevice: created device %p <%wZ>, Status %x\n",
DeviceObject,
&DeviceName,
Status);
FdoExtension = DeviceObject->DeviceExtension;
FdoCommonExtension = &FdoExtension->CommonExtension;
RtlZeroMemory(FdoExtension, sizeof(USBPORT_DEVICE_EXTENSION));
FdoCommonExtension->SelfDevice = DeviceObject;
FdoCommonExtension->LowerPdoDevice = PhysicalDeviceObject;
FdoCommonExtension->IsPDO = FALSE;
LowerDevice = IoAttachDeviceToDeviceStack(DeviceObject,
PhysicalDeviceObject);
FdoCommonExtension->LowerDevice = LowerDevice;
FdoCommonExtension->DevicePowerState = PowerDeviceD3;
FdoExtension->MiniPortExt = (PVOID)((ULONG_PTR)FdoExtension +
sizeof(USBPORT_DEVICE_EXTENSION));
if (MiniPortInterface->Packet.MiniPortFlags & USB_MINIPORT_FLAGS_USB2)
{
FdoExtension->Usb2Extension =
(PUSB2_HC_EXTENSION)((ULONG_PTR)FdoExtension->MiniPortExt +
MiniPortInterface->Packet.MiniPortExtensionSize);
DPRINT("USBPORT_AddDevice: Usb2Extension - %p\n",
FdoExtension->Usb2Extension);
USB2_InitController(FdoExtension->Usb2Extension);
}
else
{
FdoExtension->Usb2Extension = NULL;
}
FdoExtension->MiniPortInterface = MiniPortInterface;
FdoExtension->FdoNameNumber = DeviceNumber;
KeInitializeSemaphore(&FdoExtension->DeviceSemaphore, 1, 1);
KeInitializeSemaphore(&FdoExtension->ControllerSemaphore, 1, 1);
InitializeListHead(&FdoExtension->EndpointList);
InitializeListHead(&FdoExtension->DoneTransferList);
InitializeListHead(&FdoExtension->WorkerList);
InitializeListHead(&FdoExtension->EpStateChangeList);
InitializeListHead(&FdoExtension->MapTransferList);
InitializeListHead(&FdoExtension->DeviceHandleList);
InitializeListHead(&FdoExtension->IdleIrpList);
InitializeListHead(&FdoExtension->BadRequestList);
InitializeListHead(&FdoExtension->EndpointClosedList);
DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
return Status;
}
VOID
NTAPI
USBPORT_Unload(IN PDRIVER_OBJECT DriverObject)
{
PUSBPORT_MINIPORT_INTERFACE MiniPortInterface;
DPRINT1("USBPORT_Unload: FIXME!\n");
MiniPortInterface = USBPORT_FindMiniPort(DriverObject);
if (!MiniPortInterface)
{
DPRINT("USBPORT_Unload: CRITICAL ERROR!!! Not found MiniPortInterface\n");
KeBugCheckEx(BUGCODE_USB_DRIVER, 1, 0, 0, 0);
}
DPRINT1("USBPORT_Unload: UNIMPLEMENTED. FIXME.\n");
//MiniPortInterface->DriverUnload(DriverObject); // Call MiniPort _HCI_Unload
}
VOID
NTAPI
USBPORT_MiniportCompleteTransfer(IN PVOID MiniPortExtension,
IN PVOID MiniPortEndpoint,
IN PVOID TransferParameters,
IN USBD_STATUS USBDStatus,
IN ULONG TransferLength)
{
PUSBPORT_TRANSFER Transfer;
PUSBPORT_TRANSFER ParentTransfer;
PUSBPORT_TRANSFER SplitTransfer;
PLIST_ENTRY SplitHead;
PLIST_ENTRY Entry;
KIRQL OldIrql;
DPRINT_CORE("USBPORT_MiniportCompleteTransfer: USBDStatus - %x, TransferLength - %x\n",
USBDStatus,
TransferLength);
Transfer = CONTAINING_RECORD(TransferParameters,
USBPORT_TRANSFER,
TransferParameters);
Transfer->Flags |= TRANSFER_FLAG_COMPLETED;
Transfer->CompletedTransferLen = TransferLength;
if (((Transfer->Flags & TRANSFER_FLAG_SPLITED) == 0) ||
TransferLength >= Transfer->TransferParameters.TransferBufferLength)
{
goto Exit;
}
ParentTransfer = Transfer->ParentTransfer;
KeAcquireSpinLock(&ParentTransfer->TransferSpinLock, &OldIrql);
if (IsListEmpty(&ParentTransfer->SplitTransfersList))
{
goto Exit;
}
SplitHead = &ParentTransfer->SplitTransfersList;
Entry = SplitHead->Flink;
while (Entry && !IsListEmpty(SplitHead))
{
SplitTransfer = CONTAINING_RECORD(Entry,
USBPORT_TRANSFER,
SplitLink);
if (!(SplitTransfer->Flags & TRANSFER_FLAG_SUBMITED))
{
DPRINT1("USBPORT_MiniportCompleteTransfer: SplitTransfer->Flags - %X\n",
SplitTransfer->Flags);
//Add TRANSFER_FLAG_xxx
}
Entry = Entry->Flink;
}
KeReleaseSpinLock(&ParentTransfer->TransferSpinLock, OldIrql);
Exit:
USBPORT_QueueDoneTransfer(Transfer, USBDStatus);
}
VOID
NTAPI
USBPORT_AsyncTimerDpc(IN PRKDPC Dpc,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2)
{
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PUSBPORT_ASYNC_CALLBACK_DATA AsyncCallbackData;
DPRINT("USBPORT_AsyncTimerDpc: ...\n");
AsyncCallbackData = DeferredContext;
FdoDevice = AsyncCallbackData->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
(*AsyncCallbackData->CallbackFunction)(FdoExtension->MiniPortExt,
&AsyncCallbackData->CallbackContext);
ExFreePoolWithTag(AsyncCallbackData, USB_PORT_TAG);
}
ULONG
NTAPI
USBPORT_RequestAsyncCallback(IN PVOID MiniPortExtension,
IN ULONG TimerValue,
IN PVOID Buffer,
IN SIZE_T Length,
IN ASYNC_TIMER_CALLBACK * Callback)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_ASYNC_CALLBACK_DATA AsyncCallbackData;
LARGE_INTEGER DueTime = {{0, 0}};
DPRINT("USBPORT_RequestAsyncCallback: ...\n");
FdoExtension = (PUSBPORT_DEVICE_EXTENSION)((ULONG_PTR)MiniPortExtension -
sizeof(USBPORT_DEVICE_EXTENSION));
FdoDevice = FdoExtension->CommonExtension.SelfDevice;
AsyncCallbackData = ExAllocatePoolWithTag(NonPagedPool,
sizeof(USBPORT_ASYNC_CALLBACK_DATA) + Length,
USB_PORT_TAG);
if (!AsyncCallbackData)
{
DPRINT1("USBPORT_RequestAsyncCallback: Not allocated AsyncCallbackData!\n");
return 0;
}
RtlZeroMemory(AsyncCallbackData,
sizeof(USBPORT_ASYNC_CALLBACK_DATA) + Length);
if (Length)
{
RtlCopyMemory(&AsyncCallbackData->CallbackContext, Buffer, Length);
}
AsyncCallbackData->FdoDevice = FdoDevice;
AsyncCallbackData->CallbackFunction = Callback;
KeInitializeTimer(&AsyncCallbackData->AsyncTimer);
KeInitializeDpc(&AsyncCallbackData->AsyncTimerDpc,
USBPORT_AsyncTimerDpc,
AsyncCallbackData);
DueTime.QuadPart -= (KeQueryTimeIncrement() - 1) + 10000 * TimerValue;
KeSetTimer(&AsyncCallbackData->AsyncTimer,
DueTime,
&AsyncCallbackData->AsyncTimerDpc);
return 0;
}
PVOID
NTAPI
USBPORT_GetMappedVirtualAddress(IN ULONG PhysicalAddress,
IN PVOID MiniPortExtension,
IN PVOID MiniPortEndpoint)
{
PUSBPORT_COMMON_BUFFER_HEADER HeaderBuffer;
PUSBPORT_ENDPOINT Endpoint;
ULONG Offset;
ULONG_PTR VirtualAddress;
DPRINT_CORE("USBPORT_GetMappedVirtualAddress ...\n");
Endpoint = (PUSBPORT_ENDPOINT)((ULONG_PTR)MiniPortEndpoint -
sizeof(USBPORT_ENDPOINT));
if (!Endpoint)
{
ASSERT(FALSE);
}
HeaderBuffer = Endpoint->HeaderBuffer;
Offset = PhysicalAddress - HeaderBuffer->PhysicalAddress;
VirtualAddress = HeaderBuffer->VirtualAddress + Offset;
return (PVOID)VirtualAddress;
}
ULONG
NTAPI
USBPORT_InvalidateEndpoint(IN PVOID MiniPortExtension,
IN PVOID MiniPortEndpoint)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_ENDPOINT Endpoint;
DPRINT_CORE("USBPORT_InvalidateEndpoint: ...\n");
FdoExtension = (PUSBPORT_DEVICE_EXTENSION)((ULONG_PTR)MiniPortExtension -
sizeof(USBPORT_DEVICE_EXTENSION));
FdoDevice = FdoExtension->CommonExtension.SelfDevice;
if (!MiniPortEndpoint)
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
NULL,
INVALIDATE_ENDPOINT_ONLY);
return 0;
}
Endpoint = (PUSBPORT_ENDPOINT)((ULONG_PTR)MiniPortEndpoint -
sizeof(USBPORT_ENDPOINT));
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_ONLY);
return 0;
}
VOID
NTAPI
USBPORT_CompleteTransfer(IN PURB Urb,
IN USBD_STATUS TransferStatus)
{
struct _URB_CONTROL_TRANSFER *UrbTransfer;
PUSBPORT_TRANSFER Transfer;
NTSTATUS Status;
PIRP Irp;
KIRQL OldIrql;
PRKEVENT Event;
BOOLEAN WriteToDevice;
BOOLEAN IsFlushSuccess;
PMDL Mdl;
ULONG_PTR CurrentVa;
SIZE_T TransferLength;
PUSBPORT_ENDPOINT Endpoint;
PDEVICE_OBJECT FdoDevice;
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDMA_OPERATIONS DmaOperations;
DPRINT("USBPORT_CompleteTransfer: Urb - %p, TransferStatus - %X\n",
Urb,
TransferStatus);
UrbTransfer = &Urb->UrbControlTransfer;
Transfer = UrbTransfer->hca.Reserved8[0];
Transfer->USBDStatus = TransferStatus;
Status = USBPORT_USBDStatusToNtStatus(Urb, TransferStatus);
UrbTransfer->TransferBufferLength = Transfer->CompletedTransferLen;
if (Transfer->Flags & TRANSFER_FLAG_DMA_MAPPED)
{
Endpoint = Transfer->Endpoint;
FdoDevice = Endpoint->FdoDevice;
FdoExtension = FdoDevice->DeviceExtension;
DmaOperations = FdoExtension->DmaAdapter->DmaOperations;
WriteToDevice = Transfer->Direction == USBPORT_DMA_DIRECTION_TO_DEVICE;
Mdl = UrbTransfer->TransferBufferMDL;
CurrentVa = (ULONG_PTR)MmGetMdlVirtualAddress(Mdl);
TransferLength = UrbTransfer->TransferBufferLength;
IsFlushSuccess = DmaOperations->FlushAdapterBuffers(FdoExtension->DmaAdapter,
Mdl,
Transfer->MapRegisterBase,
(PVOID)CurrentVa,
TransferLength,
WriteToDevice);
if (!IsFlushSuccess)
{
DPRINT("USBPORT_CompleteTransfer: no FlushAdapterBuffers !!!\n");
ASSERT(FALSE);
}
KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
DmaOperations->FreeMapRegisters(FdoExtension->DmaAdapter,
Transfer->MapRegisterBase,
Transfer->NumberOfMapRegisters);
KeLowerIrql(OldIrql);
}
if (Urb->UrbHeader.UsbdFlags & USBD_FLAG_ALLOCATED_MDL)
{
IoFreeMdl(Transfer->TransferBufferMDL);
Urb->UrbHeader.UsbdFlags |= ~USBD_FLAG_ALLOCATED_MDL;
}
Urb->UrbControlTransfer.hca.Reserved8[0] = NULL;
Urb->UrbHeader.UsbdFlags |= ~USBD_FLAG_ALLOCATED_TRANSFER;
Irp = Transfer->Irp;
if (Irp)
{
if (!NT_SUCCESS(Status))
{
//DbgBreakPoint();
DPRINT1("USBPORT_CompleteTransfer: Irp - %p complete with Status - %lx\n",
Irp,
Status);
USBPORT_DumpingURB(Urb);
}
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
IoCompleteRequest(Irp, IO_NO_INCREMENT);
KeLowerIrql(OldIrql);
}
Event = Transfer->Event;
if (Event)
{
KeSetEvent(Event, EVENT_INCREMENT, FALSE);
}
ExFreePoolWithTag(Transfer, USB_PORT_TAG);
DPRINT_CORE("USBPORT_CompleteTransfer: exit\n");
}
IO_ALLOCATION_ACTION
NTAPI
USBPORT_MapTransfer(IN PDEVICE_OBJECT FdoDevice,
IN PIRP Irp,
IN PVOID MapRegisterBase,
IN PVOID Context)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PDMA_ADAPTER DmaAdapter;
PUSBPORT_TRANSFER Transfer;
PURB Urb;
PUSBPORT_ENDPOINT Endpoint;
PMDL Mdl;
ULONG_PTR CurrentVa;
PUSBPORT_SCATTER_GATHER_LIST sgList;
SIZE_T CurrentLength;
ULONG ix;
BOOLEAN WriteToDevice;
PHYSICAL_ADDRESS PhAddr = {{0, 0}};
PHYSICAL_ADDRESS PhAddress = {{0, 0}};
ULONG TransferLength;
SIZE_T SgCurrentLength;
SIZE_T ElementLength;
PUSBPORT_DEVICE_HANDLE DeviceHandle;
PDMA_OPERATIONS DmaOperations;
USBD_STATUS USBDStatus;
LIST_ENTRY List;
PUSBPORT_TRANSFER transfer;
DPRINT_CORE("USBPORT_MapTransfer: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
DmaAdapter = FdoExtension->DmaAdapter;
DmaOperations = DmaAdapter->DmaOperations;
Transfer = Context;
Urb = Transfer->Urb;
Endpoint = Transfer->Endpoint;
TransferLength = Transfer->TransferParameters.TransferBufferLength;
Mdl = Urb->UrbControlTransfer.TransferBufferMDL;
CurrentVa = (ULONG_PTR)MmGetMdlVirtualAddress(Mdl);
sgList = &Transfer->SgList;
sgList->Flags = 0;
sgList->CurrentVa = CurrentVa;
sgList->MappedSystemVa = MmGetSystemAddressForMdlSafe(Mdl,
NormalPagePriority);
Transfer->MapRegisterBase = MapRegisterBase;
ix = 0;
CurrentLength = 0;
do
{
WriteToDevice = Transfer->Direction == USBPORT_DMA_DIRECTION_TO_DEVICE;
ASSERT(Transfer->Direction != 0);
PhAddress = DmaOperations->MapTransfer(DmaAdapter,
Mdl,
MapRegisterBase,
(PVOID)CurrentVa,
&TransferLength,
WriteToDevice);
DPRINT_CORE("USBPORT_MapTransfer: PhAddress.LowPart - %p, PhAddress.HighPart - %x, TransferLength - %x\n",
PhAddress.LowPart,
PhAddress.HighPart,
TransferLength);
PhAddress.HighPart = 0;
SgCurrentLength = TransferLength;
do
{
ElementLength = PAGE_SIZE - (PhAddress.LowPart & (PAGE_SIZE - 1));
if (ElementLength > SgCurrentLength)
ElementLength = SgCurrentLength;
DPRINT_CORE("USBPORT_MapTransfer: PhAddress.LowPart - %p, HighPart - %x, ElementLength - %x\n",
PhAddress.LowPart,
PhAddress.HighPart,
ElementLength);
sgList->SgElement[ix].SgPhysicalAddress = PhAddress;
sgList->SgElement[ix].SgTransferLength = ElementLength;
sgList->SgElement[ix].SgOffset = CurrentLength +
(TransferLength - SgCurrentLength);
PhAddress.LowPart += ElementLength;
SgCurrentLength -= ElementLength;
++ix;
}
while (SgCurrentLength);
if (PhAddr.QuadPart == PhAddress.QuadPart)
{
DPRINT1("USBPORT_MapTransfer: PhAddr == PhAddress\n");
ASSERT(FALSE);
}
PhAddr = PhAddress;
CurrentLength += TransferLength;
CurrentVa += TransferLength;
TransferLength = Transfer->TransferParameters.TransferBufferLength -
CurrentLength;
}
while (CurrentLength != Transfer->TransferParameters.TransferBufferLength);
sgList->SgElementCount = ix;
if (Endpoint->EndpointProperties.DeviceSpeed == UsbHighSpeed)
{
Transfer->Flags |= TRANSFER_FLAG_HIGH_SPEED;
}
Transfer->Flags |= TRANSFER_FLAG_DMA_MAPPED;
if ((Transfer->Flags & TRANSFER_FLAG_ISO) == 0)
{
KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
&Endpoint->EndpointOldIrql);
USBPORT_SplitTransfer(FdoDevice, Endpoint, Transfer, &List);
while (!IsListEmpty(&List))
{
transfer = CONTAINING_RECORD(List.Flink,
USBPORT_TRANSFER,
TransferLink);
RemoveHeadList(&List);
InsertTailList(&Endpoint->TransferList, &transfer->TransferLink);
}
KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
Endpoint->EndpointOldIrql);
}
else
{
USBDStatus = USBPORT_InitializeIsoTransfer(FdoDevice,
&Urb->UrbIsochronousTransfer,
Transfer);
if (USBDStatus != USBD_STATUS_SUCCESS)
{
KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
&Endpoint->EndpointOldIrql);
USBPORT_QueueDoneTransfer(Transfer, USBDStatus);
KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
Endpoint->EndpointOldIrql);
}
}
DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
InterlockedDecrement(&DeviceHandle->DeviceHandleLock);
if (USBPORT_EndpointWorker(Endpoint, 0))
{
USBPORT_InvalidateEndpointHandler(FdoDevice,
Endpoint,
INVALIDATE_ENDPOINT_WORKER_THREAD);
}
return DeallocateObjectKeepRegisters;
}
VOID
NTAPI
USBPORT_FlushMapTransfers(IN PDEVICE_OBJECT FdoDevice)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
PLIST_ENTRY MapTransferList;
PUSBPORT_TRANSFER Transfer;
ULONG NumMapRegisters;
PMDL Mdl;
SIZE_T TransferBufferLength;
ULONG_PTR VirtualAddr;
KIRQL OldIrql;
NTSTATUS Status;
PDMA_OPERATIONS DmaOperations;
DPRINT_CORE("USBPORT_FlushMapTransfers: ...\n");
FdoExtension = FdoDevice->DeviceExtension;
DmaOperations = FdoExtension->DmaAdapter->DmaOperations;
KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
while (TRUE)
{
MapTransferList = &FdoExtension->MapTransferList;
if (IsListEmpty(&FdoExtension->MapTransferList))
{
KeLowerIrql(OldIrql);
return;
}
Transfer = CONTAINING_RECORD(MapTransferList->Flink,
USBPORT_TRANSFER,
TransferLink);
RemoveHeadList(MapTransferList);
Mdl = Transfer->Urb->UrbControlTransfer.TransferBufferMDL;
TransferBufferLength = Transfer->TransferParameters.TransferBufferLength;
VirtualAddr = (ULONG_PTR)MmGetMdlVirtualAddress(Mdl);
NumMapRegisters = ADDRESS_AND_SIZE_TO_SPAN_PAGES(VirtualAddr,
TransferBufferLength);
Transfer->NumberOfMapRegisters = NumMapRegisters;
Status = DmaOperations->AllocateAdapterChannel(FdoExtension->DmaAdapter,
FdoDevice,
NumMapRegisters,
USBPORT_MapTransfer,
Transfer);
if (!NT_SUCCESS(Status))
ASSERT(FALSE);
}
KeLowerIrql(OldIrql);
}
USBD_STATUS
NTAPI
USBPORT_AllocateTransfer(IN PDEVICE_OBJECT FdoDevice,
IN PURB Urb,
IN PUSBPORT_DEVICE_HANDLE DeviceHandle,
IN PIRP Irp,
IN PRKEVENT Event)
{
PUSBPORT_DEVICE_EXTENSION FdoExtension;
SIZE_T TransferLength;
PMDL Mdl;
ULONG_PTR VirtualAddr;
ULONG PagesNeed = 0;
SIZE_T PortTransferLength;
SIZE_T FullTransferLength;
PUSBPORT_TRANSFER Transfer;
PUSBPORT_PIPE_HANDLE PipeHandle;
USBD_STATUS USBDStatus;
SIZE_T IsoBlockLen = 0;
DPRINT_CORE("USBPORT_AllocateTransfer: FdoDevice - %p, Urb - %p, DeviceHandle - %p, Irp - %p, Event - %p\n",
FdoDevice,
Urb,
DeviceHandle,
Irp,
Event);
FdoExtension = FdoDevice->DeviceExtension;
TransferLength = Urb->UrbControlTransfer.TransferBufferLength;
PipeHandle = Urb->UrbControlTransfer.PipeHandle;
if (TransferLength)
{
Mdl = Urb->UrbControlTransfer.TransferBufferMDL;
VirtualAddr = (ULONG_PTR)MmGetMdlVirtualAddress(Mdl);
PagesNeed = ADDRESS_AND_SIZE_TO_SPAN_PAGES(VirtualAddr,
TransferLength);
if (PagesNeed > 0)
{
PagesNeed--;
}
}
if (Urb->UrbHeader.Function == URB_FUNCTION_ISOCH_TRANSFER)
{
DPRINT1("USBPORT_AllocateTransfer: ISOCH_TRANSFER UNIMPLEMENTED. FIXME\n");
//IsoBlockLen = sizeof(USBPORT_ISO_BLOCK) +
// Urb->UrbIsochronousTransfer.NumberOfPackets *
// sizeof(USBPORT_ISO_BLOCK_PACKET);
}
PortTransferLength = sizeof(USBPORT_TRANSFER) +
PagesNeed * sizeof(USBPORT_SCATTER_GATHER_ELEMENT) +
IsoBlockLen;
FullTransferLength = PortTransferLength +
FdoExtension->MiniPortInterface->Packet.MiniPortTransferSize;
Transfer = ExAllocatePoolWithTag(NonPagedPool,
FullTransferLength,
USB_PORT_TAG);
if (!Transfer)
{
DPRINT1("USBPORT_AllocateTransfer: Transfer not allocated!\n");
return USBD_STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(Transfer, FullTransferLength);
Transfer->Irp = Irp;
Transfer->Urb = Urb;
Transfer->Endpoint = PipeHandle->Endpoint;
Transfer->Event = Event;
Transfer->PortTransferLength = PortTransferLength;
Transfer->FullTransferLength = FullTransferLength;
Transfer->IsoBlockPtr = NULL;
Transfer->Period = 0;
Transfer->ParentTransfer = Transfer;
if (IsoBlockLen)
{
Transfer->IsoBlockPtr = (PVOID)((ULONG_PTR)Transfer +
PortTransferLength - IsoBlockLen);
Transfer->Period = PipeHandle->Endpoint->EndpointProperties.Period;
Transfer->Flags |= TRANSFER_FLAG_ISO;
}
Transfer->MiniportTransfer = (PVOID)((ULONG_PTR)Transfer +
PortTransferLength);
KeInitializeSpinLock(&Transfer->TransferSpinLock);
Urb->UrbControlTransfer.hca.Reserved8[0] = Transfer;
Urb->UrbHeader.UsbdFlags |= USBD_FLAG_ALLOCATED_TRANSFER;
USBDStatus = USBD_STATUS_SUCCESS;
DPRINT_CORE("USBPORT_AllocateTransfer: return USBDStatus - %x\n",
USBDStatus);
return USBDStatus;
}
NTSTATUS
NTAPI
USBPORT_Dispatch(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PUSBPORT_COMMON_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION IoStack;
NTSTATUS Status = STATUS_SUCCESS;
DeviceExtension = DeviceObject->DeviceExtension;
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (DeviceExtension->PnpStateFlags & USBPORT_PNP_STATE_FAILED)
{
DPRINT1("USBPORT_Dispatch: USBPORT_PNP_STATE_FAILED\n");
DbgBreakPoint();
}
switch (IoStack->MajorFunction)
{
case IRP_MJ_DEVICE_CONTROL:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO IRP_MJ_DEVICE_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_PdoDeviceControl(DeviceObject, Irp);
}
else
{
DPRINT("USBPORT_Dispatch: FDO IRP_MJ_DEVICE_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_FdoDeviceControl(DeviceObject, Irp);
}
break;
case IRP_MJ_INTERNAL_DEVICE_CONTROL:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO IRP_MJ_INTERNAL_DEVICE_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_PdoInternalDeviceControl(DeviceObject, Irp);
}
else
{
DPRINT("USBPORT_Dispatch: FDO IRP_MJ_INTERNAL_DEVICE_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_FdoInternalDeviceControl(DeviceObject, Irp);
}
break;
case IRP_MJ_POWER:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO IRP_MJ_POWER. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_PdoPower(DeviceObject, Irp);
}
else
{
DPRINT("USBPORT_Dispatch: FDO IRP_MJ_POWER. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_FdoPower(DeviceObject, Irp);
}
break;
case IRP_MJ_SYSTEM_CONTROL:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO IRP_MJ_SYSTEM_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = Irp->IoStatus.Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
else
{
DPRINT("USBPORT_Dispatch: FDO IRP_MJ_SYSTEM_CONTROL. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(DeviceExtension->LowerDevice, Irp);
}
break;
case IRP_MJ_PNP:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO IRP_MJ_PNP. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_PdoPnP(DeviceObject, Irp);
}
else
{
DPRINT("USBPORT_Dispatch: FDO IRP_MJ_PNP. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
Status = USBPORT_FdoPnP(DeviceObject, Irp);
}
break;
case IRP_MJ_CREATE:
case IRP_MJ_CLOSE:
DPRINT("USBPORT_Dispatch: IRP_MJ_CREATE | IRP_MJ_CLOSE\n");
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
break;
default:
if (DeviceExtension->IsPDO)
{
DPRINT("USBPORT_Dispatch: PDO unhandled IRP_MJ_???. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
}
else
{
DPRINT("USBPORT_Dispatch: FDO unhandled IRP_MJ_???. Major - %d, Minor - %d\n",
IoStack->MajorFunction,
IoStack->MinorFunction);
}
Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
break;
}
DPRINT("USBPORT_Dispatch: Status - %x\n", Status);
return Status;
}
ULONG
NTAPI
USBPORT_GetHciMn(VOID)
{
return USBPORT_HCI_MN;
}
NTSTATUS
NTAPI
USBPORT_RegisterUSBPortDriver(IN PDRIVER_OBJECT DriverObject,
IN ULONG Version,
IN PUSBPORT_REGISTRATION_PACKET RegPacket)
{
PUSBPORT_MINIPORT_INTERFACE MiniPortInterface;
DPRINT("USBPORT_RegisterUSBPortDriver: DriverObject - %p, Version - %p, RegPacket - %p\n",
DriverObject,
Version,
RegPacket);
DPRINT("USBPORT_RegisterUSBPortDriver: sizeof(USBPORT_MINIPORT_INTERFACE) - %x\n",
sizeof(USBPORT_MINIPORT_INTERFACE));
DPRINT("USBPORT_RegisterUSBPortDriver: sizeof(USBPORT_DEVICE_EXTENSION) - %x\n",
sizeof(USBPORT_DEVICE_EXTENSION));
if (Version < USB10_MINIPORT_INTERFACE_VERSION)
{
return STATUS_UNSUCCESSFUL;
}
if (!USBPORT_Initialized)
{
InitializeListHead(&USBPORT_MiniPortDrivers);
InitializeListHead(&USBPORT_USB1FdoList);
InitializeListHead(&USBPORT_USB2FdoList);
KeInitializeSpinLock(&USBPORT_SpinLock);
USBPORT_Initialized = TRUE;
}
MiniPortInterface = ExAllocatePoolWithTag(NonPagedPool,
sizeof(USBPORT_MINIPORT_INTERFACE),
USB_PORT_TAG);
if (!MiniPortInterface)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(MiniPortInterface, sizeof(USBPORT_MINIPORT_INTERFACE));
MiniPortInterface->DriverObject = DriverObject;
MiniPortInterface->DriverUnload = DriverObject->DriverUnload;
MiniPortInterface->Version = Version;
ExInterlockedInsertTailList(&USBPORT_MiniPortDrivers,
&MiniPortInterface->DriverLink,
&USBPORT_SpinLock);
DriverObject->DriverExtension->AddDevice = USBPORT_AddDevice;
DriverObject->DriverUnload = USBPORT_Unload;
DriverObject->MajorFunction[IRP_MJ_CREATE] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_PNP] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_POWER] = USBPORT_Dispatch;
DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = USBPORT_Dispatch;
RegPacket->UsbPortDbgPrint = USBPORT_DbgPrint;
RegPacket->UsbPortTestDebugBreak = USBPORT_TestDebugBreak;
RegPacket->UsbPortAssertFailure = USBPORT_AssertFailure;
RegPacket->UsbPortGetMiniportRegistryKeyValue = USBPORT_GetMiniportRegistryKeyValue;
RegPacket->UsbPortInvalidateRootHub = USBPORT_InvalidateRootHub;
RegPacket->UsbPortInvalidateEndpoint = USBPORT_InvalidateEndpoint;
RegPacket->UsbPortCompleteTransfer = USBPORT_MiniportCompleteTransfer;
RegPacket->UsbPortCompleteIsoTransfer = USBPORT_CompleteIsoTransfer;
RegPacket->UsbPortLogEntry = USBPORT_LogEntry;
RegPacket->UsbPortGetMappedVirtualAddress = USBPORT_GetMappedVirtualAddress;
RegPacket->UsbPortRequestAsyncCallback = USBPORT_RequestAsyncCallback;
RegPacket->UsbPortReadWriteConfigSpace = USBPORT_ReadWriteConfigSpace;
RegPacket->UsbPortWait = USBPORT_Wait;
RegPacket->UsbPortInvalidateController = USBPORT_InvalidateController;
RegPacket->UsbPortBugCheck = USBPORT_BugCheck;
RegPacket->UsbPortNotifyDoubleBuffer = USBPORT_NotifyDoubleBuffer;
RtlCopyMemory(&MiniPortInterface->Packet,
RegPacket,
sizeof(USBPORT_REGISTRATION_PACKET));
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
DriverEntry(IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath)
{
return STATUS_SUCCESS;
}
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