reactos/drivers/usb/usbhub/ioctl.c

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/*
* PROJECT: ReactOS USB Hub Driver
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: USBHub I/O control functions
* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
*/
#include "usbhub.h"
#define NDEBUG
#include <debug.h>
#define NDEBUG_USBHUB_IOCTL
#include "dbg_uhub.h"
NTSTATUS
NTAPI
USBH_SelectConfigOrInterfaceComplete(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context)
{
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PUSBHUB_FDO_EXTENSION HubExtension;
PVOID TimeoutContext; // PUSBHUB_BANDWIDTH_TIMEOUT_CONTEXT
PUSBHUB_PORT_DATA PortData = NULL;
NTSTATUS Status;
KIRQL OldIrql;
PURB Urb;
DPRINT("USBH_SelectConfigOrInterfaceComplete ... \n");
if (Irp->PendingReturned)
{
IoMarkIrpPending(Irp);
}
PortExtension = Context;
HubExtension = PortExtension->HubExtension;
ASSERT(PortExtension->PortNumber > 0);
if (HubExtension)
{
PortData = &HubExtension->PortData[PortExtension->PortNumber - 1];
}
Status = Irp->IoStatus.Status;
if (NT_SUCCESS(Irp->IoStatus.Status))
{
KeAcquireSpinLock(&PortExtension->PortTimeoutSpinLock, &OldIrql);
TimeoutContext = PortExtension->BndwTimeoutContext;
if (TimeoutContext)
{
DPRINT1("USBH_SelectConfigOrInterfaceComplete: TimeoutContext != NULL. FIXME\n");
DbgBreakPoint();
}
KeReleaseSpinLock(&PortExtension->PortTimeoutSpinLock, OldIrql);
PortExtension->PortPdoFlags &= ~(USBHUB_PDO_FLAG_PORT_RESTORE_FAIL |
USBHUB_PDO_FLAG_ALLOC_BNDW_FAILED);
if (PortData && PortData->ConnectionStatus != DeviceHubNestedTooDeeply)
{
PortData->ConnectionStatus = DeviceConnected;
}
}
else
{
Urb = URB_FROM_IRP(Irp);
DPRINT1("USBH_SelectConfigOrInterfaceComplete: Status = 0x%lx, UsbdStatus = 0x%lx\n", Status, Urb->UrbHeader.Status);
if (Urb->UrbHeader.Status == USBD_STATUS_NO_BANDWIDTH)
{
DPRINT1("USBH_SelectConfigOrInterfaceComplete: USBD_STATUS_NO_BANDWIDTH. FIXME\n");
/*DbgBreakPoint();*/ /* disabled due to CORE-16384, seems to be continuable */
}
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoUrbFilter(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSB_CONFIGURATION_DESCRIPTOR ConfigDescriptor;
PUSBHUB_FDO_EXTENSION HubExtension;
PDEVICE_OBJECT DeviceObject;
PURB Urb;
USHORT Function;
ULONG MaxPower;
USBD_STATUS UrbStatus;
BOOLEAN IsValidConfig;
HubExtension = PortExtension->HubExtension;
DeviceObject = PortExtension->Common.SelfDevice;
Urb = URB_FROM_IRP(Irp);
DPRINT_IOCTL("USBH_PdoUrbFilter: Device - %p, Irp - %p, Urb - %p\n",
DeviceObject,
Irp,
Urb);
if (PortExtension->PortPdoFlags & (USBHUB_PDO_FLAG_PORT_RESTORE_FAIL |
USBHUB_PDO_FLAG_PORT_RESSETING))
{
Urb->UrbHeader.Status = USBD_STATUS_INVALID_PARAMETER;
USBH_CompleteIrp(Irp, STATUS_INVALID_PARAMETER);
return STATUS_INVALID_PARAMETER;
}
Function = Urb->UrbHeader.Function;
switch (Function)
{
case URB_FUNCTION_SELECT_CONFIGURATION:
{
ConfigDescriptor = Urb->UrbSelectConfiguration.ConfigurationDescriptor;
if (ConfigDescriptor)
{
IsValidConfig = TRUE;
if (ConfigDescriptor->bDescriptorType != USB_CONFIGURATION_DESCRIPTOR_TYPE)
{
DPRINT1("USBH_PdoUrbFilter: Not valid Cfg. bDescriptorType\n");
IsValidConfig = FALSE;
UrbStatus = USBD_STATUS_INVALID_CONFIGURATION_DESCRIPTOR;
}
if (ConfigDescriptor->bLength < sizeof(USB_CONFIGURATION_DESCRIPTOR))
{
DPRINT1("USBH_PdoUrbFilter: Size Cfg. descriptor is too small\n");
IsValidConfig = FALSE;
UrbStatus = USBD_STATUS_INVALID_CONFIGURATION_DESCRIPTOR;
}
if (!IsValidConfig)
{
Urb->UrbHeader.Status = UrbStatus;
USBH_CompleteIrp(Irp, STATUS_INVALID_PARAMETER);
return STATUS_INVALID_PARAMETER;
}
MaxPower = 2 * ConfigDescriptor->MaxPower;
PortExtension->MaxPower = MaxPower;
if (HubExtension->MaxPowerPerPort < MaxPower)
{
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_INSUFFICIENT_PWR;
DPRINT1("USBH_PdoUrbFilter: USBH_InvalidatePortDeviceState() UNIMPLEMENTED. FIXME\n");
DbgBreakPoint();
USBH_CompleteIrp(Irp, STATUS_INVALID_PARAMETER);
return STATUS_INVALID_PARAMETER;
}
}
}
/* fall through */
case URB_FUNCTION_SELECT_INTERFACE:
{
IoCopyCurrentIrpStackLocationToNext(Irp);
IoSetCompletionRoutine(Irp,
USBH_SelectConfigOrInterfaceComplete,
PortExtension,
TRUE,
TRUE,
TRUE);
return IoCallDriver(HubExtension->RootHubPdo2, Irp);
}
case URB_FUNCTION_CONTROL_TRANSFER:
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
case URB_FUNCTION_ISOCH_TRANSFER:
{
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_DELETE_PENDING)
{
Urb->UrbHeader.Status = USBD_STATUS_INVALID_PARAMETER;
USBH_CompleteIrp(Irp, STATUS_DELETE_PENDING);
return STATUS_DELETE_PENDING;
}
break;
}
case URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR:
DPRINT1("USBH_PdoUrbFilter: URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR UNIMPLEMENTED. FIXME\n");
USBH_CompleteIrp(Irp, STATUS_NOT_IMPLEMENTED);
return STATUS_NOT_IMPLEMENTED;
default:
break;
}
return USBH_PassIrp(HubExtension->RootHubPdo2, Irp);
}
NTSTATUS
NTAPI
USBH_PdoIoctlSubmitUrb(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
PURB Urb;
NTSTATUS Status;
DPRINT_IOCTL("USBH_PdoIoctlSubmitUrb ... \n");
HubExtension = PortExtension->HubExtension;
Urb = URB_FROM_IRP(Irp);
if (PortExtension->DeviceHandle == NULL)
{
Urb->UrbHeader.UsbdDeviceHandle = NULL;
Status = USBH_PassIrp(HubExtension->RootHubPdo2, Irp);
}
else
{
Urb->UrbHeader.UsbdDeviceHandle = PortExtension->DeviceHandle;
Status = USBH_PdoUrbFilter(PortExtension, Irp);
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoIoctlGetPortStatus(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
PUSBHUB_PORT_DATA PortData;
PIO_STACK_LOCATION IoStack;
PULONG PortStatus;
NTSTATUS Status;
DPRINT("USBH_PdoIoctlGetPortStatus ... \n");
HubExtension = PortExtension->HubExtension;
InterlockedIncrement(&HubExtension->PendingRequestCount);
KeWaitForSingleObject(&HubExtension->HubSemaphore,
Executive,
KernelMode,
FALSE,
NULL);
ASSERT(PortExtension->PortNumber > 0);
PortData = &HubExtension->PortData[PortExtension->PortNumber - 1];
Status = USBH_SyncGetPortStatus(HubExtension,
PortExtension->PortNumber,
&PortData->PortStatus,
sizeof(USB_PORT_STATUS_AND_CHANGE));
IoStack = IoGetCurrentIrpStackLocation(Irp);
PortStatus = IoStack->Parameters.Others.Argument1;
*PortStatus = 0;
if (PortExtension->Common.SelfDevice == PortData->DeviceObject)
{
if (PortData->PortStatus.PortStatus.Usb20PortStatus.PortEnabledDisabled)
{
*PortStatus |= USBD_PORT_ENABLED;
}
if (PortData->PortStatus.PortStatus.Usb20PortStatus.CurrentConnectStatus)
{
*PortStatus |= USBD_PORT_CONNECTED;
}
}
KeReleaseSemaphore(&HubExtension->HubSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent,
EVENT_INCREMENT,
FALSE);
}
USBH_CompleteIrp(Irp, Status);
return Status;
}
VOID
NTAPI
USBH_ResetPortWorker(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PVOID Context)
{
PUSBHUB_RESET_PORT_CONTEXT WorkItemReset;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PUSB_DEVICE_HANDLE DeviceHandle;
NTSTATUS Status;
USHORT Port;
DPRINT("USBH_ResetPortWorker ... \n");
WorkItemReset = Context;
PortExtension = WorkItemReset->PortExtension;
if (!HubExtension)
{
Status = STATUS_UNSUCCESSFUL;
goto Exit;
}
InterlockedIncrement(&HubExtension->PendingRequestCount);
KeWaitForSingleObject(&HubExtension->HubSemaphore,
Executive,
KernelMode,
FALSE,
NULL);
Port = PortExtension->PortNumber;
DeviceHandle = PortExtension->DeviceHandle;
ASSERT(Port > 0);
if (PortExtension->Common.SelfDevice == HubExtension->PortData[Port-1].DeviceObject &&
DeviceHandle != NULL)
{
USBD_RemoveDeviceEx(HubExtension,
DeviceHandle,
USBD_MARK_DEVICE_BUSY);
Status = USBH_ResetDevice(HubExtension,
Port,
TRUE,
FALSE);
}
else
{
Status = STATUS_INVALID_PARAMETER;
}
KeReleaseSemaphore(&HubExtension->HubSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent,
EVENT_INCREMENT,
FALSE);
}
Exit:
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_PORT_RESSETING;
USBH_CompleteIrp(WorkItemReset->Irp, Status);
WorkItemReset->PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_PORT_RESTORE_FAIL;
}
NTSTATUS
NTAPI
USBH_PdoIoctlResetPort(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
PUSBHUB_RESET_PORT_CONTEXT HubWorkItemBuffer;
PUSBHUB_IO_WORK_ITEM HubIoWorkItem;
NTSTATUS Status;
HubExtension = PortExtension->HubExtension;
DPRINT("USBH_PdoIoctlResetPort ... \n");
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_PORT_RESSETING)
{
Status = STATUS_UNSUCCESSFUL;
USBH_CompleteIrp(Irp, Status);
return Status;
}
Status = USBH_AllocateWorkItem(HubExtension,
&HubIoWorkItem,
USBH_ResetPortWorker,
sizeof(USBHUB_RESET_PORT_CONTEXT),
(PVOID *)&HubWorkItemBuffer,
DelayedWorkQueue);
if (!NT_SUCCESS(Status))
{
Status = STATUS_UNSUCCESSFUL;
USBH_CompleteIrp(Irp, Status);
return Status;
}
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_PORT_RESSETING;
IoMarkIrpPending(Irp);
HubWorkItemBuffer->PortExtension = PortExtension;
HubWorkItemBuffer->Irp = Irp;
Status = STATUS_PENDING;
USBH_QueueWorkItem(PortExtension->HubExtension, HubIoWorkItem);
return Status;
}
VOID
NTAPI
USBH_PortIdleNotificationCancelRoutine(IN PDEVICE_OBJECT Device,
IN PIRP Irp)
{
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PUSBHUB_FDO_EXTENSION HubExtension;
PIRP PendingIdleIrp = NULL;
PUSBHUB_IO_WORK_ITEM HubIoWorkItem;
PUSBHUB_IDLE_PORT_CANCEL_CONTEXT HubWorkItemBuffer;
NTSTATUS Status;
DPRINT("USBH_PortIdleNotificationCancelRoutine ... \n");
PortExtension = Device->DeviceExtension;
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_IDLE_NOTIFICATION;
HubExtension = PortExtension->HubExtension;
ASSERT(HubExtension);
PortExtension->IdleNotificationIrp = NULL;
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_WAIT_IDLE_REQUEST)
{
PendingIdleIrp = HubExtension->PendingIdleIrp;
HubExtension->PendingIdleIrp = NULL;
}
IoReleaseCancelSpinLock(Irp->CancelIrql);
if (PendingIdleIrp)
{
USBH_HubCancelIdleIrp(HubExtension, PendingIdleIrp);
}
if (HubExtension->CurrentPowerState.DeviceState == PowerDeviceD0)
{
goto ErrorExit;
}
Status = USBH_AllocateWorkItem(HubExtension,
&HubIoWorkItem,
USBH_IdleCancelPowerHubWorker,
sizeof(USBHUB_IDLE_PORT_CANCEL_CONTEXT),
(PVOID *)&HubWorkItemBuffer,
DelayedWorkQueue);
if (NT_SUCCESS(Status))
{
HubWorkItemBuffer->Irp = Irp;
USBH_QueueWorkItem(HubExtension, HubIoWorkItem);
return;
}
ErrorExit:
Irp->IoStatus.Status = STATUS_CANCELLED;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
NTSTATUS
NTAPI
USBH_PortIdleNotificationRequest(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
PIO_STACK_LOCATION IoStack;
PUSB_IDLE_CALLBACK_INFO IdleCallbackInfo;
NTSTATUS Status;
KIRQL Irql;
DPRINT("USBH_PortIdleNotificationRequest ... \n");
HubExtension = PortExtension->HubExtension;
IoAcquireCancelSpinLock(&Irql);
if (PortExtension->IdleNotificationIrp)
{
IoReleaseCancelSpinLock(Irql);
Irp->IoStatus.Status = STATUS_DEVICE_BUSY;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_DEVICE_BUSY;
}
IoStack = IoGetCurrentIrpStackLocation(Irp);
IdleCallbackInfo = IoStack->Parameters.DeviceIoControl.Type3InputBuffer;
if (!IdleCallbackInfo || !IdleCallbackInfo->IdleCallback)
{
IoReleaseCancelSpinLock(Irql);
Status = STATUS_NO_CALLBACK_ACTIVE;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
IoSetCancelRoutine(Irp, USBH_PortIdleNotificationCancelRoutine);
if (Irp->Cancel)
{
if (IoSetCancelRoutine(Irp, NULL))
{
IoReleaseCancelSpinLock(Irql);
Status = STATUS_CANCELLED;
Irp->IoStatus.Status = STATUS_CANCELLED;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
else
{
IoMarkIrpPending(Irp);
IoReleaseCancelSpinLock(Irql);
Status = STATUS_PENDING;
}
}
else
{
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_IDLE_NOTIFICATION;
PortExtension->IdleNotificationIrp = Irp;
IoMarkIrpPending(Irp);
IoReleaseCancelSpinLock(Irql);
Status = STATUS_PENDING;
DPRINT("USBH_PortIdleNotificationRequest: IdleNotificationIrp - %p\n",
PortExtension->IdleNotificationIrp);
USBH_CheckIdleDeferred(HubExtension);
}
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetNodeName(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSB_NODE_CONNECTION_NAME ConnectionName;
PDEVICE_OBJECT PortDevice;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
2018-09-01 16:01:40 +00:00
size_t LengthSkip;
PWCHAR Buffer;
ULONG BufferLength;
PWCHAR BufferEnd;
2018-09-01 16:01:40 +00:00
ULONG_PTR LengthReturned;
size_t LengthName;
ULONG Length;
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
ULONG_PTR Information;
DPRINT("USBH_IoctlGetNodeName ... \n");
Status = STATUS_SUCCESS;
ConnectionName = Irp->AssociatedIrp.SystemBuffer;
IoStack = IoGetCurrentIrpStackLocation(Irp);
Length = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
if (Length < sizeof(USB_NODE_CONNECTION_NAME))
{
Status = STATUS_BUFFER_TOO_SMALL;
Information = Irp->IoStatus.Information;
goto Exit;
}
if (ConnectionName->ConnectionIndex == 0 ||
ConnectionName->ConnectionIndex > HubExtension->HubDescriptor->bNumberOfPorts)
{
Status = STATUS_INVALID_PARAMETER;
Information = Irp->IoStatus.Information;
goto Exit;
}
PortDevice = HubExtension->PortData[ConnectionName->ConnectionIndex - 1].DeviceObject;
if (!PortDevice)
{
ConnectionName->NodeName[0] = 0;
ConnectionName->ActualLength = sizeof(USB_NODE_CONNECTION_NAME);
Information = sizeof(USB_NODE_CONNECTION_NAME);
goto Exit;
}
PortExtension = PortDevice->DeviceExtension;
if (!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_HUB_DEVICE) ||
!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_DEVICE_STARTED) ||
!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_REG_DEV_INTERFACE))
{
ConnectionName->NodeName[0] = 0;
ConnectionName->ActualLength = sizeof(USB_NODE_CONNECTION_NAME);
Information = sizeof(USB_NODE_CONNECTION_NAME);
goto Exit;
}
Buffer = PortExtension->SymbolicLinkName.Buffer;
BufferLength = PortExtension->SymbolicLinkName.Length;
ASSERT(Buffer[BufferLength / sizeof(WCHAR)] == UNICODE_NULL);
LengthSkip = 0;
if (*Buffer == L'\\')
{
BufferEnd = wcschr(Buffer + 1, L'\\');
if (BufferEnd != NULL)
{
LengthSkip = (BufferEnd + 1 - Buffer) * sizeof(WCHAR);
}
else
{
LengthSkip = PortExtension->SymbolicLinkName.Length;
}
}
LengthName = BufferLength - LengthSkip;
ConnectionName->ActualLength = 0;
RtlZeroMemory(ConnectionName->NodeName,
Length - FIELD_OFFSET(USB_NODE_CONNECTION_NAME, NodeName));
LengthReturned = sizeof(USB_NODE_CONNECTION_NAME) + LengthName;
if (Length < LengthReturned)
{
ConnectionName->NodeName[0] = 0;
ConnectionName->ActualLength = LengthReturned;
Information = sizeof(USB_NODE_CONNECTION_NAME);
goto Exit;
}
RtlCopyMemory(&ConnectionName->NodeName[0],
&Buffer[LengthSkip / sizeof(WCHAR)],
LengthName);
ConnectionName->ActualLength = LengthReturned;
Status = STATUS_SUCCESS;
Information = LengthReturned;
Exit:
Irp->IoStatus.Information = Information;
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetNodeInformation(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSB_NODE_INFORMATION NodeInfo;
PIO_STACK_LOCATION IoStack;
ULONG BufferLength;
NTSTATUS Status;
BOOLEAN HubIsBusPowered;
DPRINT("USBH_IoctlGetNodeInformation ... \n");
Status = STATUS_SUCCESS;
NodeInfo = Irp->AssociatedIrp.SystemBuffer;
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
RtlZeroMemory(Irp->AssociatedIrp.SystemBuffer, BufferLength);
if (BufferLength < sizeof(USB_NODE_INFORMATION))
{
Status = STATUS_BUFFER_TOO_SMALL;
USBH_CompleteIrp(Irp, Status);
return Status;
}
NodeInfo->NodeType = UsbHub;
RtlCopyMemory(&NodeInfo->u.HubInformation.HubDescriptor,
HubExtension->HubDescriptor,
sizeof(USB_HUB_DESCRIPTOR));
HubIsBusPowered = USBH_HubIsBusPowered(HubExtension->Common.SelfDevice,
HubExtension->HubConfigDescriptor);
NodeInfo->u.HubInformation.HubIsBusPowered = HubIsBusPowered;
Irp->IoStatus.Information = sizeof(USB_NODE_INFORMATION);
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetHubCapabilities(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSB_HUB_CAPABILITIES Capabilities;
PIO_STACK_LOCATION IoStack;
ULONG BufferLength;
ULONG Length;
USB_HUB_CAPABILITIES HubCaps;
DPRINT("USBH_IoctlGetHubCapabilities ... \n");
Capabilities = Irp->AssociatedIrp.SystemBuffer;
HubCaps.HubIs2xCapable = (HubExtension->HubFlags & USBHUB_FDO_FLAG_USB20_HUB) ==
USBHUB_FDO_FLAG_USB20_HUB;
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
if (BufferLength == 0)
{
Irp->IoStatus.Information = BufferLength;
USBH_CompleteIrp(Irp, STATUS_INVALID_PARAMETER);
return STATUS_INVALID_PARAMETER;
}
if (BufferLength <= sizeof(HubCaps))
{
Length = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
}
else
{
Length = sizeof(HubCaps);
}
RtlZeroMemory(Capabilities, BufferLength);
RtlCopyMemory(Capabilities, &HubCaps, Length);
Irp->IoStatus.Information = Length;
USBH_CompleteIrp(Irp, STATUS_SUCCESS);
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBH_IoctlGetNodeConnectionAttributes(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSB_NODE_CONNECTION_ATTRIBUTES Attributes;
ULONG ConnectionIndex;
ULONG NumPorts;
NTSTATUS Status;
PUSBHUB_PORT_DATA PortData;
PIO_STACK_LOCATION IoStack;
ULONG BufferLength;
DPRINT("USBH_IoctlGetNodeConnectionAttributes ... \n");
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
if (BufferLength < sizeof(USB_NODE_CONNECTION_ATTRIBUTES))
{
Status = STATUS_BUFFER_TOO_SMALL;
goto Exit;
}
Attributes = Irp->AssociatedIrp.SystemBuffer;
ConnectionIndex = Attributes->ConnectionIndex;
RtlZeroMemory(Attributes, BufferLength);
Attributes->ConnectionIndex = ConnectionIndex;
Status = STATUS_INVALID_PARAMETER;
NumPorts = HubExtension->HubDescriptor->bNumberOfPorts;
if (NumPorts == 0 ||
ConnectionIndex == 0 ||
ConnectionIndex > NumPorts)
{
goto Exit;
}
PortData = HubExtension->PortData + (ConnectionIndex - 1);
Attributes->ConnectionStatus = PortData->ConnectionStatus;
Attributes->PortAttributes = PortData->PortAttributes;
Irp->IoStatus.Information = sizeof(USB_NODE_CONNECTION_ATTRIBUTES);
Status = STATUS_SUCCESS;
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetNodeConnectionInformation(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp,
IN BOOLEAN IsExt)
{
PUSBHUB_PORT_DATA PortData;
ULONG BufferLength;
PUSB_NODE_CONNECTION_INFORMATION_EX Info;
ULONG ConnectionIndex;
ULONG NumPorts;
NTSTATUS Status;
PDEVICE_OBJECT DeviceObject;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PIO_STACK_LOCATION IoStack;
DPRINT("USBH_IoctlGetNodeConnectionInformation ... \n");
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
if (BufferLength < (ULONG)FIELD_OFFSET(USB_NODE_CONNECTION_INFORMATION_EX,
PipeList))
{
Status = STATUS_BUFFER_TOO_SMALL;
goto Exit;
}
Info = Irp->AssociatedIrp.SystemBuffer;
ConnectionIndex = Info->ConnectionIndex;
RtlZeroMemory(Info, BufferLength);
Info->ConnectionIndex = ConnectionIndex;
Status = STATUS_INVALID_PARAMETER;
NumPorts = HubExtension->HubDescriptor->bNumberOfPorts;
if (NumPorts == 0 ||
ConnectionIndex == 0 ||
ConnectionIndex > NumPorts)
{
goto Exit;
}
PortData = HubExtension->PortData + (ConnectionIndex - 1);
DeviceObject = PortData->DeviceObject;
if (!DeviceObject)
{
Info->ConnectionStatus = PortData->ConnectionStatus;
Irp->IoStatus.Information = FIELD_OFFSET(USB_NODE_CONNECTION_INFORMATION_EX,
PipeList);
Status = STATUS_SUCCESS;
goto Exit;
}
PortExtension = DeviceObject->DeviceExtension;
Info->ConnectionStatus = PortData->ConnectionStatus;
Info->DeviceIsHub = (PortExtension->PortPdoFlags &
USBHUB_PDO_FLAG_HUB_DEVICE) ==
USBHUB_PDO_FLAG_HUB_DEVICE;
RtlCopyMemory(&Info->DeviceDescriptor,
&PortExtension->DeviceDescriptor,
sizeof(USB_DEVICE_DESCRIPTOR));
if (PortExtension->DeviceHandle)
{
Status = USBD_GetDeviceInformationEx(PortExtension,
HubExtension,
Info,
BufferLength,
PortExtension->DeviceHandle);
}
else
{
Status = STATUS_SUCCESS;
}
if (NT_SUCCESS(Status))
{
if (!IsExt)
{
/* IOCTL_USB_GET_NODE_CONNECTION_INFORMATION request reports
only low and full speed connections. Info->Speed member
is Info->LowSpeed in the non-EX version of the structure */
Info->Speed = (Info->Speed == UsbLowSpeed);
}
Irp->IoStatus.Information = sizeof(USB_NODE_CONNECTION_INFORMATION_EX) +
(Info->NumberOfOpenPipes - 1) * sizeof(USB_PIPE_INFO);
goto Exit;
}
if (Status != STATUS_BUFFER_TOO_SMALL)
{
goto Exit;
}
Irp->IoStatus.Information = FIELD_OFFSET(USB_NODE_CONNECTION_INFORMATION_EX,
PipeList);
Status = STATUS_SUCCESS;
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetNodeConnectionDriverKeyName(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSBHUB_PORT_DATA PortData;
PDEVICE_OBJECT PortDevice;
ULONG Length;
ULONG ResultLength;
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
ULONG BufferLength;
PUSB_NODE_CONNECTION_DRIVERKEY_NAME KeyName;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
DPRINT("USBH_IoctlGetNodeConnectionDriverKeyName ... \n");
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
if (BufferLength < sizeof(USB_NODE_CONNECTION_DRIVERKEY_NAME) ||
HubExtension->HubDescriptor->bNumberOfPorts == 0)
{
Status = STATUS_BUFFER_TOO_SMALL;
goto Exit;
}
KeyName = Irp->AssociatedIrp.SystemBuffer;
Status = STATUS_INVALID_PARAMETER;
PortData = &HubExtension->PortData[KeyName->ConnectionIndex - 1];
PortDevice = PortData->DeviceObject;
if (!PortDevice)
{
goto Exit;
}
PortExtension = PortDevice->DeviceExtension;
if (!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_ENUMERATED))
{
Status = STATUS_INVALID_DEVICE_STATE;
goto Exit;
}
ResultLength = BufferLength - sizeof(USB_NODE_CONNECTION_DRIVERKEY_NAME);
Status = IoGetDeviceProperty(PortDevice,
DevicePropertyDriverKeyName,
BufferLength - sizeof(USB_NODE_CONNECTION_DRIVERKEY_NAME),
&KeyName->DriverKeyName,
&ResultLength);
if (Status == STATUS_BUFFER_TOO_SMALL)
{
Status = STATUS_SUCCESS;
}
Length = ResultLength + sizeof(USB_NODE_CONNECTION_DRIVERKEY_NAME);
KeyName->ActualLength = Length;
if (BufferLength < Length)
{
KeyName->DriverKeyName[0] = 0;
Irp->IoStatus.Information = sizeof(USB_NODE_CONNECTION_DRIVERKEY_NAME);
}
else
{
Irp->IoStatus.Information = Length;
}
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_IoctlGetDescriptor(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
ULONG BufferLength;
PUSBHUB_PORT_DATA PortData;
PUSB_DESCRIPTOR_REQUEST UsbRequest;
PDEVICE_OBJECT PortDevice;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
struct _URB_CONTROL_TRANSFER * Urb;
NTSTATUS Status;
ULONG RequestBufferLength;
PIO_STACK_LOCATION IoStack;
ULONG NumPorts;
IoStack = IoGetCurrentIrpStackLocation(Irp);
BufferLength = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
DPRINT("USBH_IoctlGetDescriptor: BufferLength - %x\n", BufferLength);
if (BufferLength < sizeof(USB_DESCRIPTOR_REQUEST))
{
Status = STATUS_BUFFER_TOO_SMALL;
goto Exit;
}
UsbRequest = Irp->AssociatedIrp.SystemBuffer;
RequestBufferLength = UsbRequest->SetupPacket.wLength;
if (RequestBufferLength > BufferLength -
FIELD_OFFSET(USB_DESCRIPTOR_REQUEST, Data))
{
DPRINT("USBH_IoctlGetDescriptor: RequestBufferLength - %x\n",
RequestBufferLength);
Status = STATUS_BUFFER_TOO_SMALL;
goto Exit;
}
Status = STATUS_INVALID_PARAMETER;
NumPorts = HubExtension->HubDescriptor->bNumberOfPorts;
if (NumPorts == 0 ||
UsbRequest->ConnectionIndex == 0 ||
UsbRequest->ConnectionIndex > NumPorts)
{
goto Exit;
}
PortData = HubExtension->PortData + (UsbRequest->ConnectionIndex - 1);
PortDevice = PortData->DeviceObject;
if (!PortDevice)
{
goto Exit;
}
PortExtension = PortDevice->DeviceExtension;
if (UsbRequest->SetupPacket.bmRequest == USB_CONFIGURATION_DESCRIPTOR_TYPE &&
RequestBufferLength == sizeof(USB_CONFIGURATION_DESCRIPTOR))
{
Status = STATUS_SUCCESS;
RtlCopyMemory(&UsbRequest->Data[0],
&PortExtension->ConfigDescriptor,
sizeof(USB_CONFIGURATION_DESCRIPTOR));
Irp->IoStatus.Information = sizeof(USB_DESCRIPTOR_REQUEST) - sizeof(UCHAR) +
sizeof(USB_CONFIGURATION_DESCRIPTOR);
goto Exit;
}
Urb = ExAllocatePoolWithTag(NonPagedPool,
sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST),
USB_HUB_TAG);
if (!Urb)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto Exit;
}
RtlZeroMemory(Urb, sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST));
Urb->Hdr.Function = URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE;
Urb->Hdr.Length = sizeof(struct _URB_CONTROL_DESCRIPTOR_REQUEST);
Urb->TransferBuffer = &UsbRequest->Data[0];
Urb->TransferBufferLength = RequestBufferLength;
Urb->TransferBufferMDL = NULL;
Urb->UrbLink = NULL;
RtlCopyMemory(Urb->SetupPacket,
&UsbRequest->SetupPacket,
sizeof(USB_DEFAULT_PIPE_SETUP_PACKET));
Status = USBH_SyncSubmitUrb(PortExtension->Common.SelfDevice,
(PURB)Urb);
Irp->IoStatus.Information = (sizeof(USB_DESCRIPTOR_REQUEST) - sizeof(UCHAR)) +
Urb->TransferBufferLength;
ExFreePoolWithTag(Urb, USB_HUB_TAG);
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_DeviceControl(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
NTSTATUS Status = STATUS_DEVICE_BUSY;
PIO_STACK_LOCATION IoStack;
ULONG ControlCode;
BOOLEAN IsCheckHubIdle = FALSE;
DPRINT("USBH_DeviceControl: HubExtension - %p, Irp - %p\n",
HubExtension,
Irp);
IoStack = IoGetCurrentIrpStackLocation(Irp);
ControlCode = IoStack->Parameters.DeviceIoControl.IoControlCode;
DPRINT("USBH_DeviceControl: ControlCode - %lX\n", ControlCode);
if ((HubExtension->CurrentPowerState.DeviceState != PowerDeviceD0) &&
(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STARTED))
{
IsCheckHubIdle = TRUE;
USBH_HubSetD0(HubExtension);
}
switch (ControlCode)
{
case IOCTL_USB_GET_HUB_CAPABILITIES:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_HUB_CAPABILITIES\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetHubCapabilities(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_HUB_CYCLE_PORT:
DPRINT1("USBH_DeviceControl: IOCTL_USB_HUB_CYCLE_PORT UNIMPLEMENTED. FIXME\n");
DbgBreakPoint();
break;
case IOCTL_USB_GET_NODE_INFORMATION:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_INFORMATION\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeInformation(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_NODE_CONNECTION_INFORMATION:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_CONNECTION_INFORMATION\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeConnectionInformation(HubExtension,
Irp,
FALSE);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeConnectionInformation(HubExtension,
Irp,
TRUE);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_NODE_CONNECTION_ATTRIBUTES:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_CONNECTION_ATTRIBUTES\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeConnectionAttributes(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_NODE_CONNECTION_NAME:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_CONNECTION_NAME\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeName(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_NODE_CONNECTION_DRIVERKEY_NAME:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_NODE_CONNECTION_DRIVERKEY_NAME\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetNodeConnectionDriverKeyName(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION:
DPRINT("USBH_DeviceControl: IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION\n");
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STOPPED))
{
Status = USBH_IoctlGetDescriptor(HubExtension, Irp);
break;
}
USBH_CompleteIrp(Irp, Status);
break;
case IOCTL_KS_PROPERTY:
DPRINT("USBH_DeviceControl: IOCTL_KS_PROPERTY\n");
Status = STATUS_INVALID_DEVICE_REQUEST;
USBH_CompleteIrp(Irp, Status);
break;
default:
DPRINT1("USBH_DeviceControl: Unhandled IOCTL_ - %lX\n", ControlCode);
Status = USBH_PassIrp(HubExtension->RootHubPdo, Irp);
break;
}
if (IsCheckHubIdle)
{
USBH_CheckHubIdle(HubExtension);
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoInternalControl(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
NTSTATUS Status = STATUS_NOT_SUPPORTED;
ULONG ControlCode;
PIO_STACK_LOCATION IoStack;
PULONG HubCount;
DPRINT_IOCTL("USBH_PdoInternalControl: PortExtension - %p, Irp - %p\n",
PortExtension,
Irp);
HubExtension = PortExtension->HubExtension;
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_NOT_CONNECTED)
{
Status = STATUS_DEVICE_NOT_CONNECTED;
goto Exit;
}
if (PortExtension->CurrentPowerState.DeviceState != PowerDeviceD0)
{
Status = STATUS_DEVICE_POWERED_OFF;
goto Exit;
}
IoStack = IoGetCurrentIrpStackLocation(Irp);
ControlCode = IoStack->Parameters.DeviceIoControl.IoControlCode;
if (ControlCode == IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO)
{
HubExtension = PortExtension->RootHubExtension;
DPRINT("USBH_PdoInternalControl: HubExtension - %p\n", HubExtension);
}
if (!HubExtension)
{
Status = STATUS_DEVICE_BUSY;
goto Exit;
}
switch (ControlCode)
{
case IOCTL_INTERNAL_USB_SUBMIT_URB:
return USBH_PdoIoctlSubmitUrb(PortExtension, Irp);
case IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_SUBMIT_IDLE_NOTIFICATION\n");
return USBH_PortIdleNotificationRequest(PortExtension, Irp);
case IOCTL_INTERNAL_USB_GET_PORT_STATUS:
DPRINT("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_PORT_STATUS\n");
return USBH_PdoIoctlGetPortStatus(PortExtension, Irp);
case IOCTL_INTERNAL_USB_RESET_PORT:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_RESET_PORT\n");
return USBH_PdoIoctlResetPort(PortExtension, Irp);
case IOCTL_INTERNAL_USB_ENABLE_PORT:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_ENABLE_PORT\n");
DbgBreakPoint();
break;
case IOCTL_INTERNAL_USB_CYCLE_PORT:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_CYCLE_PORT\n");
DbgBreakPoint();
break;
case IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE:
DPRINT("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE\n");
*(PVOID *)IoStack->Parameters.Others.Argument1 = PortExtension->DeviceHandle;
Status = STATUS_SUCCESS;
break;
case IOCTL_INTERNAL_USB_GET_HUB_COUNT:
DPRINT("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_HUB_COUNT. PortPdoFlags - %lX\n",
PortExtension->PortPdoFlags);
if (!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_HUB_DEVICE))
{
Status = STATUS_INVALID_PARAMETER;
break;
}
HubCount = IoStack->Parameters.Others.Argument1;
++*HubCount;
Status = USBH_SyncGetHubCount(HubExtension->LowerDevice,
HubCount);
DPRINT("USBH_PdoInternalControl: *HubCount - %x\n", *HubCount);
break;
case IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO:
DPRINT("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_ROOTHUB_PDO. PortPdoFlags - %lX\n",
PortExtension->PortPdoFlags);
if (!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_HUB_DEVICE))
{
DbgBreakPoint();
Status = STATUS_SUCCESS;
*(PVOID *)IoStack->Parameters.Others.Argument1 = NULL;
USBH_CompleteIrp(Irp, Status);
break;
}
ASSERT(HubExtension->RootHubPdo);
return USBH_PassIrp(HubExtension->RootHubPdo, Irp);
case IOCTL_INTERNAL_USB_GET_HUB_NAME:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_HUB_NAME\n");
DbgBreakPoint();
break;
case IOCTL_GET_HCD_DRIVERKEY_NAME:
DPRINT1("USBH_PdoInternalControl: IOCTL_GET_HCD_DRIVERKEY_NAME\n");
DbgBreakPoint();
break;
case IOCTL_INTERNAL_USB_GET_BUS_INFO:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_BUS_INFO\n");
DbgBreakPoint();
break;
case IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO:
DPRINT1("USBH_PdoInternalControl: IOCTL_INTERNAL_USB_GET_PARENT_HUB_INFO\n");
DbgBreakPoint();
break;
default:
DPRINT1("USBH_PdoInternalControl: unhandled IOCTL_ - %lX\n", ControlCode);
break;
}
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}