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reactos/drivers/usb/usbhub/pnp.c

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/*
* PROJECT: ReactOS USB Hub Driver
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: USBHub plug and play functions
* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
*/
#include "usbhub.h"
#define NDEBUG
#include <debug.h>
#define NDEBUG_USBHUB_PNP
#define NDEBUG_USBHUB_ENUM
#include "dbg_uhub.h"
NTSTATUS
NTAPI
USBH_IrpCompletion(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context)
{
PRKEVENT Event;
DPRINT("USBH_IrpCompletion: Irp - %p\n", Irp);
Event = Context;
KeSetEvent(Event, EVENT_INCREMENT, FALSE);
return STATUS_MORE_PROCESSING_REQUIRED;
}
NTSTATUS
NTAPI
USBH_HubPnPIrpComplete(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context)
{
PUSBHUB_FDO_EXTENSION HubExtension;
DPRINT("USBH_HubPnPIrpComplete: Irp - %p\n", Irp);
HubExtension = Context;
if (!NT_SUCCESS(Irp->IoStatus.Status))
{
DPRINT1("USBH_HubPnPIrpComplete: Irp failed - %lX\n", Irp->IoStatus.Status);
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_FAILED;
}
Irp->IoStatus.Status = STATUS_MORE_PROCESSING_REQUIRED;
KeSetEvent(&HubExtension->LowerDeviceEvent, EVENT_INCREMENT, FALSE);
return STATUS_MORE_PROCESSING_REQUIRED;
}
NTSTATUS
NTAPI
USBH_QueryCapsComplete(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context)
{
PIO_STACK_LOCATION IoStack;
PDEVICE_CAPABILITIES Capabilities;
DPRINT("USBH_QueryCapsComplete: ... \n");
ASSERT(NT_SUCCESS(Irp->IoStatus.Status));
if (Irp->PendingReturned)
{
IoMarkIrpPending(Irp);
}
IoStack= IoGetCurrentIrpStackLocation(Irp);
Capabilities = IoStack->Parameters.DeviceCapabilities.Capabilities;
Capabilities->SurpriseRemovalOK = 1;
return STATUS_CONTINUE_COMPLETION;
}
NTSTATUS
NTAPI
USBHUB_GetBusInterface(IN PDEVICE_OBJECT DeviceObject,
OUT PUSB_BUS_INTERFACE_HUB_V5 BusInterface)
{
PIRP Irp;
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
KEVENT Event;
DPRINT("USBHUB_GetBusInterface: ... \n");
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
DPRINT1("USBHUB_GetBusInterface: IoAllocateIrp() failed\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
IoSetCompletionRoutine(Irp,
USBH_IrpCompletion,
&Event,
TRUE,
TRUE,
TRUE);
IoStack = IoGetNextIrpStackLocation(Irp);
IoStack->MajorFunction = IRP_MJ_PNP;
IoStack->MinorFunction = IRP_MN_QUERY_INTERFACE;
IoStack->Parameters.QueryInterface.InterfaceType = &USB_BUS_INTERFACE_HUB_GUID;
IoStack->Parameters.QueryInterface.Size = sizeof(USB_BUS_INTERFACE_HUB_V5);
IoStack->Parameters.QueryInterface.Version = USB_BUSIF_HUB_VERSION_5;
IoStack->Parameters.QueryInterface.Interface = (PINTERFACE)BusInterface;
IoStack->Parameters.QueryInterface.InterfaceSpecificData = DeviceObject;
Status = IoCallDriver(DeviceObject, Irp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event,
Suspended,
KernelMode,
FALSE,
NULL);
Status = Irp->IoStatus.Status;
}
IoFreeIrp(Irp);
return Status;
}
NTSTATUS
NTAPI
USBHUB_GetBusInterfaceUSBDI(IN PDEVICE_OBJECT DeviceObject,
OUT PUSB_BUS_INTERFACE_USBDI_V2 BusInterfaceUSBDI)
{
PIRP Irp;
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
KEVENT Event;
DPRINT("USBHUB_GetBusInterfaceUSBDI: ... \n");
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
DPRINT1("USBHUB_GetBusInterfaceUSBDI: IoAllocateIrp() failed\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
IoSetCompletionRoutine(Irp,
USBH_IrpCompletion,
&Event,
TRUE,
TRUE,
TRUE);
IoStack = IoGetNextIrpStackLocation(Irp);
IoStack->MajorFunction = IRP_MJ_PNP;
IoStack->MinorFunction = IRP_MN_QUERY_INTERFACE;
IoStack->Parameters.QueryInterface.InterfaceType = &USB_BUS_INTERFACE_USBDI_GUID;
IoStack->Parameters.QueryInterface.Size = sizeof(USB_BUS_INTERFACE_USBDI_V2);
IoStack->Parameters.QueryInterface.Version = USB_BUSIF_USBDI_VERSION_2;
IoStack->Parameters.QueryInterface.Interface = (PINTERFACE)BusInterfaceUSBDI;
IoStack->Parameters.QueryInterface.InterfaceSpecificData = NULL;
Status = IoCallDriver(DeviceObject, Irp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event,
Suspended,
KernelMode,
FALSE,
NULL);
Status = Irp->IoStatus.Status;
}
IoFreeIrp(Irp);
return Status;
}
VOID
NTAPI
USBH_QueryCapabilities(IN PDEVICE_OBJECT DeviceObject,
IN PDEVICE_CAPABILITIES DeviceCapabilities)
{
PIRP Irp;
PIO_STACK_LOCATION IoStack;
KEVENT Event;
DPRINT("USBH_QueryCapabilities: ... \n");
RtlZeroMemory(DeviceCapabilities, sizeof(DEVICE_CAPABILITIES));
Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
if (!Irp)
{
DPRINT1("USBH_QueryCapabilities: IoAllocateIrp() failed\n");
return;
}
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
KeInitializeEvent(&Event, NotificationEvent, FALSE);
IoSetCompletionRoutine(Irp,
USBH_IrpCompletion,
&Event,
TRUE,
TRUE,
TRUE);
IoStack = IoGetNextIrpStackLocation(Irp);
IoStack->MajorFunction = IRP_MJ_PNP;
IoStack->MinorFunction = IRP_MN_QUERY_CAPABILITIES;
IoStack->Parameters.DeviceCapabilities.Capabilities = DeviceCapabilities;
IoStack->Parameters.DeviceCapabilities.Capabilities->Size = sizeof(DEVICE_CAPABILITIES);
IoStack->Parameters.DeviceCapabilities.Capabilities->Version = 1;
IoStack->Parameters.DeviceCapabilities.Capabilities->Address = MAXULONG;
IoStack->Parameters.DeviceCapabilities.Capabilities->UINumber = MAXULONG;
if (IoCallDriver(DeviceObject, Irp) == STATUS_PENDING)
{
KeWaitForSingleObject(&Event,
Suspended,
KernelMode,
FALSE,
NULL);
}
IoFreeIrp(Irp);
}
NTSTATUS
NTAPI
USBH_OpenConfiguration(IN PUSBHUB_FDO_EXTENSION HubExtension)
{
PUSB_INTERFACE_DESCRIPTOR Pid;
PURB Urb;
NTSTATUS Status;
USBD_INTERFACE_LIST_ENTRY InterfaceList[2] = {{NULL, NULL}, {NULL, NULL}};
DPRINT("USBH_OpenConfiguration ... \n");
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_USB20_HUB &&
HubExtension->LowerPDO != HubExtension->RootHubPdo)
{
Pid = USBD_ParseConfigurationDescriptorEx(HubExtension->HubConfigDescriptor,
HubExtension->HubConfigDescriptor,
-1,
-1,
USB_DEVICE_CLASS_HUB,
-1,
2);
if (Pid)
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_MULTIPLE_TTS;
}
else
{
Pid = USBD_ParseConfigurationDescriptorEx(HubExtension->HubConfigDescriptor,
HubExtension->HubConfigDescriptor,
-1,
-1,
USB_DEVICE_CLASS_HUB,
-1,
1);
if (Pid)
{
goto Next;
}
Pid = USBD_ParseConfigurationDescriptorEx(HubExtension->HubConfigDescriptor,
HubExtension->HubConfigDescriptor,
-1,
-1,
USB_DEVICE_CLASS_HUB,
-1,
0);
}
}
else
{
Pid = USBD_ParseConfigurationDescriptorEx(HubExtension->HubConfigDescriptor,
HubExtension->HubConfigDescriptor,
-1,
-1,
USB_DEVICE_CLASS_HUB,
-1,
-1);
}
if (!Pid)
{
return STATUS_UNSUCCESSFUL;
}
Next:
if (Pid->bInterfaceClass != USB_DEVICE_CLASS_HUB)
{
return STATUS_UNSUCCESSFUL;
}
InterfaceList[0].InterfaceDescriptor = Pid;
Urb = USBD_CreateConfigurationRequestEx(HubExtension->HubConfigDescriptor,
InterfaceList);
if (!Urb)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
Status = USBH_FdoSyncSubmitUrb(HubExtension->Common.SelfDevice, Urb);
if (NT_SUCCESS(Status))
{
RtlCopyMemory(&HubExtension->PipeInfo,
InterfaceList[0].Interface->Pipes,
sizeof(USBD_PIPE_INFORMATION));
HubExtension->ConfigHandle = Urb->UrbSelectConfiguration.ConfigurationHandle;
}
ExFreePool(Urb);
return Status;
}
NTSTATUS
NTAPI
USBD_Initialize20Hub(IN PUSBHUB_FDO_EXTENSION HubExtension)
{
PUSB_BUSIFFN_INITIALIZE_20HUB Initialize20Hub;
ULONG TtCount;
PUSB_DEVICE_HANDLE DeviceHandle;
DPRINT("USBD_InitUsb2Hub ... \n");
Initialize20Hub = HubExtension->BusInterface.Initialize20Hub;
if (!Initialize20Hub)
{
return STATUS_NOT_IMPLEMENTED;
}
TtCount = 1;
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_MULTIPLE_TTS)
{
TtCount = HubExtension->HubDescriptor->bNumberOfPorts;
}
DeviceHandle = USBH_SyncGetDeviceHandle(HubExtension->LowerDevice);
return Initialize20Hub(HubExtension->BusInterface.BusContext,
DeviceHandle,
TtCount);
}
NTSTATUS
NTAPI
USBH_AbortInterruptPipe(IN PUSBHUB_FDO_EXTENSION HubExtension)
{
struct _URB_PIPE_REQUEST * Urb;
NTSTATUS Status;
DPRINT("USBH_AbortInterruptPipe: HubExtension - %p\n", HubExtension);
Urb = ExAllocatePoolWithTag(NonPagedPool,
sizeof(struct _URB_PIPE_REQUEST),
USB_HUB_TAG);
if (!Urb)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(Urb, sizeof(struct _URB_PIPE_REQUEST));
Urb->Hdr.Length = sizeof(struct _URB_PIPE_REQUEST);
Urb->Hdr.Function = URB_FUNCTION_ABORT_PIPE;
Urb->PipeHandle = HubExtension->PipeInfo.PipeHandle;
Status = USBH_FdoSyncSubmitUrb(HubExtension->Common.SelfDevice,
(PURB)Urb);
if (NT_SUCCESS(Status))
{
KeWaitForSingleObject(&HubExtension->StatusChangeEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
ExFreePoolWithTag(Urb, USB_HUB_TAG);
return Status;
}
VOID
NTAPI
USBH_FdoCleanup(IN PUSBHUB_FDO_EXTENSION HubExtension)
{
PIRP IdleIrp = NULL;
PIRP WakeIrp = NULL;
PUSBHUB_PORT_DATA PortData;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PIRP PortIdleIrp = NULL;
PIRP PortWakeIrp = NULL;
PVOID DeviceHandle;
NTSTATUS Status;
USHORT Port;
UCHAR NumberPorts;
KIRQL Irql;
DPRINT("USBH_FdoCleanup: HubExtension - %p\n", HubExtension);
USBD_UnRegisterRootHubCallBack(HubExtension);
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_STOPPING;
if (HubExtension->ResetRequestCount)
{
IoCancelIrp(HubExtension->ResetPortIrp);
KeWaitForSingleObject(&HubExtension->IdleEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
IoFreeIrp(HubExtension->ResetPortIrp);
HubExtension->ResetPortIrp = NULL;
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_WAIT_IDLE_REQUEST)
{
KeWaitForSingleObject(&HubExtension->IdleEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
IoAcquireCancelSpinLock(&Irql);
if (HubExtension->PendingWakeIrp)
{
WakeIrp = HubExtension->PendingWakeIrp;
HubExtension->PendingWakeIrp = NULL;
}
if (HubExtension->PendingIdleIrp)
{
IdleIrp = HubExtension->PendingIdleIrp;
HubExtension->PendingIdleIrp = NULL;
}
IoReleaseCancelSpinLock(Irql);
if (WakeIrp)
{
USBH_HubCancelWakeIrp(HubExtension, WakeIrp);
}
USBH_HubCompletePortWakeIrps(HubExtension, STATUS_DELETE_PENDING);
if (IdleIrp)
{
USBH_HubCancelIdleIrp(HubExtension, IdleIrp);
}
if (InterlockedDecrement(&HubExtension->PendingRequestCount) > 0)
{
KeWaitForSingleObject(&HubExtension->PendingRequestEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
if (HubExtension->SCEIrp)
{
Status = USBH_AbortInterruptPipe(HubExtension);
if (!NT_SUCCESS(Status) && IoCancelIrp(HubExtension->SCEIrp))
{
KeWaitForSingleObject(&HubExtension->StatusChangeEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
IoFreeIrp(HubExtension->SCEIrp);
HubExtension->SCEIrp = NULL;
}
if (!HubExtension->PortData ||
!HubExtension->HubDescriptor)
{
goto Exit;
}
PortData = HubExtension->PortData;
NumberPorts = HubExtension->HubDescriptor->bNumberOfPorts;
for (Port = 0; Port < NumberPorts; Port++)
{
if (PortData[Port].DeviceObject)
{
PortExtension = PortData[Port].DeviceObject->DeviceExtension;
IoAcquireCancelSpinLock(&Irql);
PortIdleIrp = PortExtension->IdleNotificationIrp;
if (PortIdleIrp)
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_IDLE_NOTIFICATION;
PortExtension->IdleNotificationIrp = NULL;
if (PortIdleIrp->Cancel)
{
PortIdleIrp = NULL;
}
if (PortIdleIrp)
{
IoSetCancelRoutine(PortIdleIrp, NULL);
}
}
PortWakeIrp = PortExtension->PdoWaitWakeIrp;
if (PortWakeIrp)
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_WAIT_WAKE;
PortExtension->PdoWaitWakeIrp = NULL;
if (PortWakeIrp->Cancel || !IoSetCancelRoutine(PortWakeIrp, NULL))
{
PortWakeIrp = NULL;
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent,
EVENT_INCREMENT,
FALSE);
}
}
}
IoReleaseCancelSpinLock(Irql);
if (PortIdleIrp)
{
PortIdleIrp->IoStatus.Status = STATUS_CANCELLED;
IoCompleteRequest(PortIdleIrp, IO_NO_INCREMENT);
}
if (PortWakeIrp)
{
USBH_CompletePowerIrp(HubExtension,
PortWakeIrp,
STATUS_CANCELLED);
}
if (!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_POWER_D3))
{
DeviceHandle = InterlockedExchangePointer(&PortExtension->DeviceHandle,
NULL);
if (DeviceHandle)
{
USBD_RemoveDeviceEx(HubExtension, DeviceHandle, 0);
}
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_POWER_D3;
}
}
USBH_SyncDisablePort(HubExtension, Port + 1);
}
Exit:
if (HubExtension->SCEBitmap)
{
ExFreePoolWithTag(HubExtension->SCEBitmap, USB_HUB_TAG);
}
if (HubExtension->HubDescriptor)
{
ExFreePoolWithTag(HubExtension->HubDescriptor, USB_HUB_TAG);
}
if (HubExtension->HubConfigDescriptor)
{
ExFreePoolWithTag(HubExtension->HubConfigDescriptor, USB_HUB_TAG);
}
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_DEVICE_STARTED;
HubExtension->HubDescriptor = NULL;
HubExtension->HubConfigDescriptor = NULL;
HubExtension->SCEIrp = NULL;
HubExtension->SCEBitmap = NULL;
}
NTSTATUS
NTAPI
USBH_StartHubFdoDevice(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
NTSTATUS Status;
ULONG DisableRemoteWakeup = 0;
ULONG HubCount = 0;
PUSB_DEVICE_HANDLE DeviceHandle;
USB_DEVICE_TYPE DeviceType;
DEVICE_CAPABILITIES DeviceCapabilities;
BOOLEAN IsBusPowered;
static WCHAR DisableWakeValueName[] = L"DisableRemoteWakeup";
DPRINT("USBH_StartHubFdoDevice: ... \n");
KeInitializeEvent(&HubExtension->IdleEvent, NotificationEvent, FALSE);
KeInitializeEvent(&HubExtension->ResetEvent, NotificationEvent, TRUE);
KeInitializeEvent(&HubExtension->PendingRequestEvent, NotificationEvent, FALSE);
KeInitializeEvent(&HubExtension->LowerDeviceEvent, NotificationEvent, FALSE);
KeInitializeEvent(&HubExtension->StatusChangeEvent, NotificationEvent, TRUE);
KeInitializeEvent(&HubExtension->RootHubNotificationEvent,
NotificationEvent,
TRUE);
KeInitializeSpinLock(&HubExtension->RelationsWorkerSpinLock);
KeInitializeSpinLock(&HubExtension->CheckIdleSpinLock);
KeInitializeSemaphore(&HubExtension->ResetDeviceSemaphore, 1, 1);
KeInitializeSemaphore(&HubExtension->HubPortSemaphore, 1, 1);
KeInitializeSemaphore(&HubExtension->HubSemaphore, 1, 1);
HubExtension->HubFlags = 0;
HubExtension->HubConfigDescriptor = NULL;
HubExtension->HubDescriptor = NULL;
HubExtension->SCEIrp = NULL;
HubExtension->SCEBitmap = NULL;
HubExtension->SystemPowerState.SystemState = PowerSystemWorking;
HubExtension->PendingRequestCount = 1;
HubExtension->ResetRequestCount = 0;
HubExtension->PendingIdleIrp = NULL;
HubExtension->PendingWakeIrp = NULL;
InitializeListHead(&HubExtension->PdoList);
HubExtension->HubFlags |= USBHUB_FDO_FLAG_WITEM_INIT;
InitializeListHead(&HubExtension->WorkItemList);
KeInitializeSpinLock(&HubExtension->WorkItemSpinLock);
IoCopyCurrentIrpStackLocationToNext(Irp);
IoSetCompletionRoutine(Irp,
USBH_HubPnPIrpComplete,
HubExtension,
TRUE,
TRUE,
TRUE);
if (IoCallDriver(HubExtension->LowerDevice, Irp) == STATUS_PENDING)
{
KeWaitForSingleObject(&HubExtension->LowerDeviceEvent,
Suspended,
KernelMode,
FALSE,
NULL);
}
HubExtension->RootHubPdo = NULL;
Status = USBH_SyncGetRootHubPdo(HubExtension->LowerDevice,
&HubExtension->RootHubPdo,
&HubExtension->RootHubPdo2);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_SyncGetRootHubPdo() failed - %lX\n", Status);
goto ErrorExit;
}
USBH_WriteFailReasonID(HubExtension->LowerPDO, USBHUB_FAIL_NO_FAIL);
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_FAILED)
{
DPRINT1("USBH_StartHubFdoDevice: USBHUB_FDO_FLAG_DEVICE_FAILED - TRUE\n");
Status = STATUS_UNSUCCESSFUL;
goto ErrorExit;
}
HubExtension->HubFlags |= USBHUB_FDO_FLAG_REMOTE_WAKEUP;
Status = USBD_GetPdoRegistryParameter(HubExtension->LowerPDO,
&DisableRemoteWakeup,
sizeof(DisableRemoteWakeup),
DisableWakeValueName,
sizeof(DisableWakeValueName));
if (NT_SUCCESS(Status) && DisableRemoteWakeup)
{
DPRINT("USBH_StartHubFdoDevice: DisableRemoteWakeup - TRUE\n");
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_REMOTE_WAKEUP;
}
HubExtension->CurrentPowerState.DeviceState = PowerDeviceD0;
USBH_SyncGetHubCount(HubExtension->LowerDevice,
&HubCount);
Status = USBHUB_GetBusInterface(HubExtension->RootHubPdo,
&HubExtension->BusInterface);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBHUB_GetBusInterface() failed - %lX\n",
Status);
goto ErrorExit;
}
Status = USBHUB_GetBusInterfaceUSBDI(HubExtension->LowerDevice,
&HubExtension->BusInterfaceUSBDI);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBHUB_GetBusInterfaceUSBDI() failed - %lX\n",
Status);
goto ErrorExit;
}
DeviceHandle = USBH_SyncGetDeviceHandle(HubExtension->LowerDevice);
if (DeviceHandle)
{
Status = USBH_GetDeviceType(HubExtension, DeviceHandle, &DeviceType);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBH_GetDeviceType() failed - %lX\n",
Status);
goto ErrorExit;
}
if (DeviceType == Usb20Device)
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_USB20_HUB;
}
}
if (HubCount > USBHUB_MAX_CASCADE_LEVELS)
{
PUSBHUB_PORT_PDO_EXTENSION ParentPdoExtension;
PUSBHUB_FDO_EXTENSION ParentHubExtension;
USHORT ParentPort;
PUSBHUB_PORT_DATA PortData;
DPRINT1("USBH_StartHubFdoDevice: HubCount > 6 - %x\n", HubCount);
USBH_WriteFailReasonID(HubExtension->LowerPDO,
USBHUB_FAIL_NESTED_TOO_DEEPLY);
ParentPdoExtension = HubExtension->LowerPDO->DeviceExtension;
ParentHubExtension = ParentPdoExtension->HubExtension;
ParentPort = ParentPdoExtension->PortNumber - 1;
PortData = &ParentHubExtension->PortData[ParentPort];
PortData->ConnectionStatus = DeviceHubNestedTooDeeply;
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_FAILED;
}
USBH_QueryCapabilities(HubExtension->LowerDevice, &DeviceCapabilities);
HubExtension->SystemWake = DeviceCapabilities.SystemWake;
HubExtension->DeviceWake = DeviceCapabilities.DeviceWake;
RtlCopyMemory(HubExtension->DeviceState,
&DeviceCapabilities.DeviceState,
POWER_SYSTEM_MAXIMUM * sizeof(DEVICE_POWER_STATE));
Status = USBH_GetDeviceDescriptor(HubExtension->Common.SelfDevice,
&HubExtension->HubDeviceDescriptor);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBH_GetDeviceDescriptor() failed - %lX\n",
Status);
goto ErrorExit;
}
Status = USBH_GetConfigurationDescriptor(HubExtension->Common.SelfDevice,
&HubExtension->HubConfigDescriptor);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBH_GetConfigurationDescriptor() failed - %lX\n",
Status);
goto ErrorExit;
}
Status = USBH_SyncGetHubDescriptor(HubExtension);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBH_SyncGetHubDescriptor() failed - %lX\n",
Status);
goto ErrorExit;
}
IsBusPowered = USBH_HubIsBusPowered(HubExtension->Common.SelfDevice,
HubExtension->HubConfigDescriptor);
if (IsBusPowered)
{
/* bus-powered hub is allowed a maximum of 100 mA only for each port */
HubExtension->MaxPowerPerPort = 100;
/* can have 4 ports (4 * 100 mA) and 100 mA remains for itself;
expressed in 2 mA units (i.e., 250 = 500 mA). */
HubExtension->HubConfigDescriptor->MaxPower = 250;
}
else
{
/* self-powered hub is allowed a maximum of 500 mA for each port */
HubExtension->MaxPowerPerPort = 500;
}
Status = USBH_OpenConfiguration(HubExtension);
if (!NT_SUCCESS(Status))
{
DPRINT1("USBH_StartHubFdoDevice: USBH_OpenConfiguration() failed - %lX\n",
Status);
goto ErrorExit;
}
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_USB20_HUB)
{
Status = USBD_Initialize20Hub(HubExtension);
}
if (!NT_SUCCESS(Status))
{
goto ErrorExit;
}
HubExtension->SCEIrp = IoAllocateIrp(HubExtension->Common.SelfDevice->StackSize,
FALSE);
HubExtension->ResetPortIrp = IoAllocateIrp(HubExtension->Common.SelfDevice->StackSize,
FALSE);
if (!HubExtension->SCEIrp || !HubExtension->ResetPortIrp)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto ErrorExit;
}
HubExtension->SCEBitmapLength = HubExtension->PipeInfo.MaximumPacketSize;
HubExtension->SCEBitmap = ExAllocatePoolWithTag(NonPagedPool,
HubExtension->SCEBitmapLength,
USB_HUB_TAG);
if (!HubExtension->SCEBitmap)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto ErrorExit;
}
RtlZeroMemory(HubExtension->SCEBitmap, HubExtension->SCEBitmapLength);
Status = USBH_SyncPowerOnPorts(HubExtension);
if (!NT_SUCCESS(Status))
{
goto ErrorExit;
}
else
{
USHORT Port;
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_STARTED;
for (Port = 1;
Port <= HubExtension->HubDescriptor->bNumberOfPorts;
Port++)
{
USBH_SyncClearPortStatus(HubExtension,
Port,
USBHUB_FEATURE_C_PORT_CONNECTION);
}
}
if (HubExtension->LowerPDO == HubExtension->RootHubPdo)
{
USBD_RegisterRootHubCallBack(HubExtension);
}
else
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DO_ENUMERATION;
USBH_SubmitStatusChangeTransfer(HubExtension);
}
goto Exit;
ErrorExit:
if (HubExtension->HubDescriptor)
{
ExFreePoolWithTag(HubExtension->HubDescriptor, USB_HUB_TAG);
HubExtension->HubDescriptor = NULL;
}
if (HubExtension->SCEIrp)
{
IoFreeIrp(HubExtension->SCEIrp);
HubExtension->SCEIrp = NULL;
}
if (HubExtension->ResetPortIrp)
{
IoFreeIrp(HubExtension->ResetPortIrp);
HubExtension->ResetPortIrp = NULL;
}
if (HubExtension->SCEBitmap)
{
ExFreePoolWithTag(HubExtension->SCEBitmap, USB_HUB_TAG);
HubExtension->SCEBitmap = NULL;
}
if (HubExtension->HubConfigDescriptor)
{
ExFreePoolWithTag(HubExtension->HubConfigDescriptor, USB_HUB_TAG);
HubExtension->HubConfigDescriptor = NULL;
}
Exit:
USBH_CompleteIrp(Irp, Status);
return Status;
}
NTSTATUS
NTAPI
USBH_FdoStartDevice(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
NTSTATUS Status;
DPRINT("USBH_FdoStartDevice: HubExtension - %p\n", HubExtension);
HubExtension->RootHubPdo = NULL;
Status = USBH_SyncGetRootHubPdo(HubExtension->LowerDevice,
&HubExtension->RootHubPdo,
&HubExtension->RootHubPdo2);
if (NT_SUCCESS(Status))
{
if (HubExtension->RootHubPdo)
{
Status = USBH_StartHubFdoDevice(HubExtension, Irp);
}
else
{
DPRINT1("USBH_FdoStartDevice: FIXME. start ParentDevice\n");
DbgBreakPoint();
}
}
else
{
DPRINT1("USBH_FdoStartDevice: FIXME. USBH_SyncGetRootHubPdo return - %lX\n",
Status);
DbgBreakPoint();
USBH_CompleteIrp(Irp, Status);
}
return Status;
}
NTSTATUS
NTAPI
USBH_FdoQueryBusRelations(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PDEVICE_RELATIONS DeviceRelations = NULL;
NTSTATUS Status = STATUS_SUCCESS;
LIST_ENTRY GhostPdoList;
KIRQL OldIrql;
PLIST_ENTRY PdoList;
UCHAR NumberPorts;
USHORT Port;
USHORT GhostPort;
PUSBHUB_PORT_DATA PortData;
PDEVICE_OBJECT PdoDevice;
PUSBHUB_PORT_PDO_EXTENSION PdoExtension;
PUSBHUB_PORT_PDO_EXTENSION pdoExtension;
NTSTATUS NtStatus;
PVOID SerialNumber;
PVOID DeviceHandle;
USB_PORT_STATUS UsbPortStatus;
PLIST_ENTRY Entry;
ULONG Length;
DPRINT_ENUM("USBH_FdoQueryBusRelations: HubFlags - %lX\n",
HubExtension->HubFlags);
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STARTED))
{
Status = STATUS_INVALID_DEVICE_STATE;
goto RelationsWorker;
}
if (!HubExtension->HubDescriptor)
{
Status = STATUS_UNSUCCESSFUL;
goto RelationsWorker;
}
if (!(HubExtension->HubFlags & USBHUB_FDO_FLAG_DO_ENUMERATION))
{
DPRINT_ENUM("USBH_FdoQueryBusRelations: Skip enumeration\n");
goto RelationsWorker;
}
InterlockedIncrement(&HubExtension->PendingRequestCount);
KeWaitForSingleObject(&HubExtension->ResetDeviceSemaphore,
Executive,
KernelMode,
FALSE,
NULL);
NumberPorts = HubExtension->HubDescriptor->bNumberOfPorts;
DPRINT_ENUM("USBH_FdoQueryBusRelations: NumberPorts - %x\n", NumberPorts);
Length = FIELD_OFFSET(DEVICE_RELATIONS, Objects) +
NumberPorts * sizeof(PDEVICE_OBJECT);
if (Irp->IoStatus.Information)
{
DPRINT1("FIXME: leaking old bus relations\n");
}
DeviceRelations = ExAllocatePoolWithTag(NonPagedPool, Length, USB_HUB_TAG);
if (!DeviceRelations)
{
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_NOT_ENUMERATED;
KeReleaseSemaphore(&HubExtension->ResetDeviceSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent, EVENT_INCREMENT, FALSE);
}
Status = STATUS_INSUFFICIENT_RESOURCES;
goto RelationsWorker;
}
RtlZeroMemory(DeviceRelations, Length);
DeviceRelations->Count = 0;
EnumStart:
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_ESD_RECOVERING)
{
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_NOT_ENUMERATED;
KeReleaseSemaphore(&HubExtension->ResetDeviceSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent, EVENT_INCREMENT, FALSE);
}
Status = STATUS_SUCCESS;
goto RelationsWorker;
}
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_ENUM_POST_RECOVER;
for (Port = 1; Port <= NumberPorts; Port++)
{
PortData = &HubExtension->PortData[Port - 1];
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_FAILED)
{
continue;
}
Status = USBH_SyncGetPortStatus(HubExtension,
Port,
&PortData->PortStatus,
sizeof(USB_PORT_STATUS_AND_CHANGE));
if (!NT_SUCCESS(Status))
{
DPRINT_ENUM("USBH_FdoQueryBusRelations: Status - %X\n", Status);
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_FAILED;
DeviceRelations->Count = 0;
goto EnumStart;
}
DPRINT_ENUM("USBH_FdoQueryBusRelations: Port - %x, ConnectStatus - %x\n",
Port,
PortData->PortStatus.PortStatus.Usb20PortStatus.CurrentConnectStatus);
PdoDevice = PortData->DeviceObject;
if (PortData->DeviceObject)
{
PdoExtension = PdoDevice->DeviceExtension;
if (PdoExtension->PortPdoFlags & USBHUB_PDO_FLAG_OVERCURRENT_PORT)
{
PortData->PortStatus.PortStatus.Usb20PortStatus.CurrentConnectStatus = 1;
}
}
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_FAILED)
{
DPRINT1("USBH_FdoQueryBusRelations: DbgBreakPoint() \n");
DbgBreakPoint();
}
if (!PortData->PortStatus.PortStatus.Usb20PortStatus.CurrentConnectStatus)
{
if (PdoDevice)
{
PdoExtension = PdoDevice->DeviceExtension;
PdoExtension->PortPdoFlags |= USBHUB_PDO_FLAG_DELETE_PENDING;
PdoExtension->EnumFlags &= ~USBHUB_ENUM_FLAG_DEVICE_PRESENT;
SerialNumber = InterlockedExchangePointer((PVOID)&PdoExtension->SerialNumber,
NULL);
if (SerialNumber)
{
ExFreePoolWithTag(SerialNumber, USB_HUB_TAG);
}
DeviceHandle = InterlockedExchangePointer(&PdoExtension->DeviceHandle,
NULL);
if (DeviceHandle)
{
USBD_RemoveDeviceEx(HubExtension, DeviceHandle, 0);
USBH_SyncDisablePort(HubExtension, Port);
}
}
PortData->DeviceObject = NULL;
PortData->ConnectionStatus = NoDeviceConnected;
continue;
}
if (PdoDevice)
{
ObReferenceObject(PdoDevice);
PdoDevice->Flags |= DO_POWER_PAGABLE;
PdoDevice->Flags &= ~DO_DEVICE_INITIALIZING;
DeviceRelations->Objects[DeviceRelations->Count++] = PdoDevice;
PdoExtension = PdoDevice->DeviceExtension;
PdoExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_POWER_D1_OR_D2;
continue;
}
USBH_Wait(100);
NtStatus = USBH_SyncResetPort(HubExtension, Port);
if (!NT_SUCCESS(NtStatus))
{
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_USB20_HUB)
{
PortData->DeviceObject = NULL;
PortData->ConnectionStatus = NoDeviceConnected;
continue;
}
}
else
{
NtStatus = USBH_SyncGetPortStatus(HubExtension,
Port,
&PortData->PortStatus,
sizeof(USB_PORT_STATUS_AND_CHANGE));
UsbPortStatus = PortData->PortStatus.PortStatus;
if (NT_SUCCESS(NtStatus))
{
ULONG ix = 0;
for (NtStatus = USBH_CreateDevice(HubExtension, Port, UsbPortStatus, ix);
!NT_SUCCESS(NtStatus);
NtStatus = USBH_CreateDevice(HubExtension, Port, UsbPortStatus, ix))
{
USBH_Wait(500);
if (ix >= 2)
{
break;
}
if (PortData->DeviceObject)
{
IoDeleteDevice(PortData->DeviceObject);
PortData->DeviceObject = NULL;
PortData->ConnectionStatus = NoDeviceConnected;
}
USBH_SyncResetPort(HubExtension, Port);
ix++;
}
if (NT_SUCCESS(NtStatus))
{
PdoExtension = PortData->DeviceObject->DeviceExtension;
if (!(PdoExtension->PortPdoFlags & USBHUB_PDO_FLAG_PORT_LOW_SPEED) &&
!(PdoExtension->PortPdoFlags & USBHUB_PDO_FLAG_PORT_HIGH_SPEED) &&
!(HubExtension->HubFlags & USBHUB_FDO_FLAG_USB20_HUB))
{
DPRINT1("USBH_FdoQueryBusRelations: FIXME USBH_DeviceIs2xDualMode()\n");
if (0)//USBH_DeviceIs2xDualMode(PdoExtension))
{
PdoExtension->PortPdoFlags |= USBHUB_PDO_FLAG_HS_USB1_DUALMODE;
}
}
ObReferenceObject(PortData->DeviceObject);
DeviceRelations->Objects[DeviceRelations->Count] = PortData->DeviceObject;
PortData->DeviceObject->Flags |= DO_POWER_PAGABLE;
PortData->DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
DeviceRelations->Count++;
PortData->ConnectionStatus = DeviceConnected;
continue;
}
}
}
PortData->ConnectionStatus = DeviceFailedEnumeration;
if (NT_ERROR(USBH_SyncDisablePort(HubExtension, Port)))
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_FAILED;
}
if (PortData->DeviceObject)
{
ObReferenceObject(PortData->DeviceObject);
PortData->DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
DeviceRelations->Objects[DeviceRelations->Count++] = PortData->DeviceObject;
}
}
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_NOT_ENUMERATED;
KeReleaseSemaphore(&HubExtension->ResetDeviceSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent, EVENT_INCREMENT, FALSE);
}
RelationsWorker:
Irp->IoStatus.Status = Status;
if (!NT_SUCCESS(Status))
{
//Irp->IoStatus.Information = 0;
if (DeviceRelations)
{
ExFreePoolWithTag(DeviceRelations, USB_HUB_TAG);
}
USBH_CompleteIrp(Irp, Status);
return Status;
}
KeAcquireSpinLock(&HubExtension->RelationsWorkerSpinLock, &OldIrql);
if (DeviceRelations && DeviceRelations->Count)
{
for (Port = 0; Port < DeviceRelations->Count; Port++)
{
PdoDevice = DeviceRelations->Objects[Port];
Entry = HubExtension->PdoList.Flink;
while (Entry != &HubExtension->PdoList)
{
pdoExtension = CONTAINING_RECORD(Entry,
USBHUB_PORT_PDO_EXTENSION,
PortLink);
if (pdoExtension == PdoDevice->DeviceExtension)
{
PdoExt(PdoDevice)->EnumFlags |= USBHUB_ENUM_FLAG_GHOST_DEVICE;
goto PortNext;
}
Entry = Entry->Flink;
}
PdoExt(PdoDevice)->EnumFlags |= USBHUB_ENUM_FLAG_DEVICE_PRESENT;
PortNext:;
}
for (Port = 0; Port < DeviceRelations->Count; Port++)
{
PdoDevice = DeviceRelations->Objects[Port];
if (PdoExt(PdoDevice)->EnumFlags & USBHUB_ENUM_FLAG_GHOST_DEVICE)
{
for (GhostPort = Port;
GhostPort < DeviceRelations->Count;
GhostPort++)
{
DeviceRelations->Objects[GhostPort] =
DeviceRelations->Objects[GhostPort + 1];
}
ObDereferenceObject(PdoDevice);
DeviceRelations->Count--;
if (PdoExt(PdoDevice)->EnumFlags & USBHUB_ENUM_FLAG_DEVICE_PRESENT)
{
PdoExt(PdoDevice)->EnumFlags &= ~USBHUB_ENUM_FLAG_GHOST_DEVICE;
}
}
}
}
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
InitializeListHead(&GhostPdoList);
PdoList = &HubExtension->PdoList;
while (!IsListEmpty(PdoList))
{
Entry = RemoveHeadList(PdoList);
PdoExtension = CONTAINING_RECORD(Entry,
USBHUB_PORT_PDO_EXTENSION,
PortLink);
PdoExtension->EnumFlags &= ~USBHUB_ENUM_FLAG_DEVICE_PRESENT;
if (PdoExtension->EnumFlags & USBHUB_ENUM_FLAG_GHOST_DEVICE)
{
InsertTailList(&GhostPdoList, &PdoExtension->PortLink);
}
}
KeReleaseSpinLock(&HubExtension->RelationsWorkerSpinLock, OldIrql);
while (!IsListEmpty(&GhostPdoList))
{
Entry = RemoveHeadList(&GhostPdoList);
PdoExtension = CONTAINING_RECORD(Entry,
USBHUB_PORT_PDO_EXTENSION,
PortLink);
IoDeleteDevice(PdoExtension->Common.SelfDevice);
}
return USBH_PassIrp(HubExtension->LowerDevice, Irp);
}
NTSTATUS
NTAPI
USBH_FdoStopDevice(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
DPRINT1("USBH_FdoStopDevice: UNIMPLEMENTED. FIXME\n");
DbgBreakPoint();
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBH_FdoRemoveDevice(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSB_HUB_DESCRIPTOR HubDescriptor;
PUSBHUB_PORT_DATA PortData;
USHORT NumPorts;
USHORT ix;
PDEVICE_OBJECT PortDevice;
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
NTSTATUS Status;
DPRINT("USBH_FdoRemoveDevice: HubExtension - %p\n", HubExtension);
HubDescriptor = HubExtension->HubDescriptor;
if (HubDescriptor && HubExtension->PortData)
{
NumPorts = HubDescriptor->bNumberOfPorts;
for (ix = 0; ix < NumPorts; ++ix)
{
PortData = HubExtension->PortData + ix;
PortDevice = PortData->DeviceObject;
if (PortDevice)
{
PortData->PortStatus.AsUlong32 = 0;
PortData->DeviceObject = NULL;
PortExtension = PortDevice->DeviceExtension;
PortExtension->EnumFlags &= ~USBHUB_ENUM_FLAG_DEVICE_PRESENT;
USBH_PdoRemoveDevice(PortExtension, HubExtension);
}
}
}
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STARTED)
{
USBH_FdoCleanup(HubExtension);
}
if (HubExtension->PortData)
{
ExFreePoolWithTag(HubExtension->PortData, USB_HUB_TAG);
HubExtension->PortData = NULL;
}
DPRINT1("USBH_FdoRemoveDevice: call IoWMIRegistrationControl UNIMPLEMENTED. FIXME\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
IoDetachDevice(HubExtension->LowerDevice);
IoDeleteDevice(HubExtension->Common.SelfDevice);
return Status;
}
VOID
NTAPI
USBH_FdoSurpriseRemoveDevice(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp)
{
PUSBHUB_PORT_PDO_EXTENSION PortExtension;
PUSBHUB_PORT_DATA PortData;
ULONG NumberPorts;
ULONG Port;
DPRINT("USBH_FdoSurpriseRemoveDevice: HubExtension - %p, Irp - %p\n",
HubExtension,
Irp);
if (!HubExtension->PortData ||
!HubExtension->HubDescriptor)
{
return;
}
PortData = HubExtension->PortData;
NumberPorts = HubExtension->HubDescriptor->bNumberOfPorts;
for (Port = 0; Port < NumberPorts; Port++)
{
if (PortData[Port].DeviceObject)
{
PortExtension = PdoExt(PortData[Port].DeviceObject);
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_DELETE_PENDING;
PortExtension->EnumFlags &= ~USBHUB_ENUM_FLAG_DEVICE_PRESENT;
PortData[Port].DeviceObject = NULL;
PortData[Port].ConnectionStatus = NoDeviceConnected;
}
}
}
NTSTATUS
NTAPI
USBH_PdoQueryId(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
ULONG IdType;
WCHAR Buffer[200];
PWCHAR EndBuffer;
size_t Remaining = sizeof(Buffer);
size_t Length;
PWCHAR Id = NULL;
NTSTATUS Status = STATUS_SUCCESS;
PUSB_DEVICE_DESCRIPTOR DeviceDescriptor;
PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
IdType = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryId.IdType;
DeviceDescriptor = &PortExtension->DeviceDescriptor;
InterfaceDescriptor = &PortExtension->InterfaceDescriptor;
RtlZeroMemory(Buffer, sizeof(Buffer));
switch (IdType)
{
case BusQueryDeviceID:
DPRINT("USBH_PdoQueryId: BusQueryDeviceID\n");
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED)
{
DPRINT("USBH_PdoQueryId: USBHUB_PDO_FLAG_INIT_PORT_FAILED\n");
RtlStringCbPrintfExW(Buffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\Vid_0000&Pid_0000");
}
else
{
RtlStringCbPrintfExW(Buffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\Vid_%04x&Pid_%04x",
DeviceDescriptor->idVendor,
DeviceDescriptor->idProduct);
}
Length = sizeof(Buffer) - (Remaining - sizeof(UNICODE_NULL));
Id = ExAllocatePoolWithTag(PagedPool, Length, USB_HUB_TAG);
if (!Id)
{
break;
}
RtlCopyMemory(Id, Buffer, Length);
DPRINT("USBH_PdoQueryId: BusQueryDeviceID - %S\n", Id);
break;
case BusQueryHardwareIDs:
DPRINT("USBH_PdoQueryId: BusQueryHardwareIDs\n");
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED)
{
DPRINT("USBH_PdoQueryId: USBHUB_PDO_FLAG_INIT_PORT_FAILED\n");
RtlStringCbPrintfExW(Buffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\UNKNOWN");
}
else
{
RtlStringCbPrintfExW(Buffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\Vid_%04x&Pid_%04x&Rev_%04x",
DeviceDescriptor->idVendor,
DeviceDescriptor->idProduct,
DeviceDescriptor->bcdDevice);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\Vid_%04x&Pid_%04x",
DeviceDescriptor->idVendor,
DeviceDescriptor->idProduct);
}
Length = sizeof(Buffer) - (Remaining - 2 * sizeof(UNICODE_NULL));
Id = ExAllocatePoolWithTag(PagedPool, Length, USB_HUB_TAG);
if (!Id)
{
break;
}
RtlCopyMemory(Id, Buffer, Length);
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED)
{
DPRINT("USBH_PdoQueryId: BusQueryHardwareID - %S\n", Id);
}
else
{
USBHUB_DumpingIDs(Id);
}
break;
case BusQueryCompatibleIDs:
DPRINT("USBH_PdoQueryId: BusQueryCompatibleIDs\n");
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED)
{
DPRINT("USBH_PdoQueryId: USBHUB_PDO_FLAG_INIT_PORT_FAILED\n");
RtlStringCbPrintfExW(Buffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\UNKNOWN");
}
else if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_MULTI_INTERFACE)
{
RtlStringCbPrintfExW(Buffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\DevClass_%02x&SubClass_%02x&Prot_%02x",
InterfaceDescriptor->bInterfaceClass,
InterfaceDescriptor->bInterfaceSubClass,
InterfaceDescriptor->bInterfaceProtocol);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\DevClass_%02x&SubClass_%02x",
InterfaceDescriptor->bInterfaceClass,
InterfaceDescriptor->bInterfaceSubClass);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\DevClass_%02x",
InterfaceDescriptor->bInterfaceClass);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\COMPOSITE");
}
else
{
RtlStringCbPrintfExW(Buffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\Class_%02x&SubClass_%02x&Prot_%02x",
InterfaceDescriptor->bInterfaceClass,
InterfaceDescriptor->bInterfaceSubClass,
InterfaceDescriptor->bInterfaceProtocol);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
&EndBuffer,
&Remaining,
0,
L"USB\\Class_%02x&SubClass_%02x",
InterfaceDescriptor->bInterfaceClass,
InterfaceDescriptor->bInterfaceSubClass);
EndBuffer++;
Remaining -= sizeof(UNICODE_NULL);
RtlStringCbPrintfExW(EndBuffer,
Remaining,
NULL,
&Remaining,
0,
L"USB\\Class_%02x",
InterfaceDescriptor->bInterfaceClass);
}
Length = sizeof(Buffer) - (Remaining - 2 * sizeof(UNICODE_NULL));
Id = ExAllocatePoolWithTag(PagedPool, Length, USB_HUB_TAG);
if (!Id)
{
break;
}
RtlCopyMemory(Id, Buffer, Length);
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED)
{
DPRINT("USBH_PdoQueryId: BusQueryCompatibleID - %S\n", Id);
}
else
{
USBHUB_DumpingIDs(Id);
}
break;
case BusQueryInstanceID:
DPRINT("USBH_PdoQueryId: BusQueryInstanceID\n");
if (PortExtension->SerialNumber)
{
Id = ExAllocatePoolWithTag(PagedPool,
PortExtension->SN_DescriptorLength,
USB_HUB_TAG);
if (Id)
{
RtlZeroMemory(Id, PortExtension->SN_DescriptorLength);
RtlCopyMemory(Id,
PortExtension->SerialNumber,
PortExtension->SN_DescriptorLength);
}
}
else
{
Length = sizeof(PortExtension->InstanceID) +
sizeof(UNICODE_NULL);
Id = ExAllocatePoolWithTag(PagedPool, Length, USB_HUB_TAG);
if (Id)
{
RtlZeroMemory(Id, Length);
RtlCopyMemory(Id,
PortExtension->InstanceID,
sizeof(PortExtension->InstanceID));
}
}
DPRINT("USBH_PdoQueryId: BusQueryInstanceID - %S\n", Id);
break;
default:
DPRINT1("USBH_PdoQueryId: unknown query id type 0x%lx\n", IdType);
return Irp->IoStatus.Status;
}
Irp->IoStatus.Information = (ULONG_PTR)Id;
if (!Id)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoQueryDeviceText(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PDEVICE_OBJECT DeviceObject;
PIO_STACK_LOCATION IoStack;
DEVICE_TEXT_TYPE DeviceTextType;
USHORT LanguageId;
USHORT DefaultId;
PUSB_STRING_DESCRIPTOR Descriptor;
PWCHAR DeviceText;
UCHAR iProduct = 0;
NTSTATUS Status;
size_t NumSymbols;
size_t Length;
DPRINT("USBH_PdoQueryDeviceText ... \n");
DeviceObject = PortExtension->Common.SelfDevice;
IoStack = IoGetCurrentIrpStackLocation(Irp);
DeviceTextType = IoStack->Parameters.QueryDeviceText.DeviceTextType;
if (DeviceTextType != DeviceTextDescription &&
DeviceTextType != DeviceTextLocationInformation)
{
return Irp->IoStatus.Status;
}
LanguageId = LANGIDFROMLCID(IoStack->Parameters.QueryDeviceText.LocaleId);
DefaultId = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
if (!LanguageId)
{
LanguageId = DefaultId;
}
iProduct = PortExtension->DeviceDescriptor.iProduct;
if (PortExtension->DeviceHandle && iProduct &&
!PortExtension->IgnoringHwSerial &&
!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_INIT_PORT_FAILED))
{
Descriptor = ExAllocatePoolWithTag(NonPagedPool,
MAXIMUM_USB_STRING_LENGTH,
USB_HUB_TAG);
if (Descriptor)
{
RtlZeroMemory(Descriptor, MAXIMUM_USB_STRING_LENGTH);
for (Status = USBH_CheckDeviceLanguage(DeviceObject, LanguageId);
;
Status = USBH_CheckDeviceLanguage(DeviceObject, DefaultId))
{
if (NT_SUCCESS(Status))
{
Status = USBH_SyncGetStringDescriptor(DeviceObject,
iProduct,
LanguageId,
Descriptor,
MAXIMUM_USB_STRING_LENGTH,
NULL,
TRUE);
if (NT_SUCCESS(Status))
{
break;
}
}
if (LanguageId == DefaultId)
{
goto Exit;
}
LanguageId = DefaultId;
}
if (Descriptor->bLength <= sizeof(USB_COMMON_DESCRIPTOR))
{
Status = STATUS_UNSUCCESSFUL;
}
if (NT_SUCCESS(Status))
{
Length = Descriptor->bLength -
FIELD_OFFSET(USB_STRING_DESCRIPTOR, bString);
DeviceText = ExAllocatePoolWithTag(PagedPool,
Length + sizeof(UNICODE_NULL),
USB_HUB_TAG);
if (DeviceText)
{
RtlZeroMemory(DeviceText, Length + sizeof(UNICODE_NULL));
RtlCopyMemory(DeviceText, Descriptor->bString, Length);
Irp->IoStatus.Information = (ULONG_PTR)DeviceText;
DPRINT("USBH_PdoQueryDeviceText: Descriptor->bString - %S\n",
DeviceText);
}
else
{
Status = STATUS_INSUFFICIENT_RESOURCES;
}
}
Exit:
ExFreePoolWithTag(Descriptor, USB_HUB_TAG);
if (NT_SUCCESS(Status))
{
return Status;
}
}
else
{
Status = STATUS_INSUFFICIENT_RESOURCES;
}
}
else
{
Status = STATUS_NOT_SUPPORTED;
}
if (!GenericUSBDeviceString)
{
return Status;
}
NumSymbols = wcslen(GenericUSBDeviceString);
Length = (NumSymbols + 1) * sizeof(WCHAR);
DeviceText = ExAllocatePoolWithTag(PagedPool, Length, USB_HUB_TAG);
if (!DeviceText)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(DeviceText, Length);
RtlCopyMemory(DeviceText,
GenericUSBDeviceString,
NumSymbols * sizeof(WCHAR));
Irp->IoStatus.Information = (ULONG_PTR)DeviceText;
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBH_SymbolicLink(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN const GUID * InterfaceClassGuid,
IN BOOLEAN IsEnable)
{
NTSTATUS Status = STATUS_SUCCESS;
PVOID NameBuffer;
DPRINT("USBH_SymbolicLink ... \n");
if (IsEnable)
{
Status = IoRegisterDeviceInterface(PortExtension->Common.SelfDevice,
InterfaceClassGuid,
NULL,
&PortExtension->SymbolicLinkName);
if (NT_SUCCESS(Status))
{
USBH_SetPdoRegistryParameter(PortExtension->Common.SelfDevice,
L"SymbolicName",
PortExtension->SymbolicLinkName.Buffer,
PortExtension->SymbolicLinkName.Length,
REG_SZ,
PLUGPLAY_REGKEY_DEVICE);
Status = IoSetDeviceInterfaceState(&PortExtension->SymbolicLinkName,
TRUE);
}
}
else
{
NameBuffer = PortExtension->SymbolicLinkName.Buffer;
if (NameBuffer)
{
Status = IoSetDeviceInterfaceState(&PortExtension->SymbolicLinkName,
FALSE);
ExFreePool(PortExtension->SymbolicLinkName.Buffer);
PortExtension->SymbolicLinkName.Buffer = NULL;
}
}
return Status;
}
NTSTATUS
NTAPI
USBH_RestoreDevice(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN BOOLEAN IsKeepDeviceData)
{
PUSBHUB_FDO_EXTENSION HubExtension;
PUSBHUB_PORT_DATA PortData;
NTSTATUS Status;
ULONG ix;
DPRINT("USBH_RestoreDevice ... \n");
HubExtension = PortExtension->HubExtension;
if (!HubExtension)
{
Status = STATUS_UNSUCCESSFUL;
return Status;
}
ASSERT(PortExtension->PortNumber > 0);
PortData = &HubExtension->PortData[PortExtension->PortNumber - 1];
if (PortExtension->Common.SelfDevice != PortData->DeviceObject)
{
Status = STATUS_UNSUCCESSFUL;
return Status;
}
Status = USBH_SyncGetPortStatus(HubExtension,
PortExtension->PortNumber,
&PortData->PortStatus,
sizeof(USB_PORT_STATUS_AND_CHANGE));
if (NT_SUCCESS(Status))
{
for (ix = 0; ix < 3; ix++)
{
Status = USBH_ResetDevice((PUSBHUB_FDO_EXTENSION)HubExtension,
PortExtension->PortNumber,
IsKeepDeviceData,
ix == 0);
if (NT_SUCCESS(Status) || Status == STATUS_NO_SUCH_DEVICE)
{
break;
}
USBH_Wait(1000);
}
}
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_POWER_D3;
if (NT_SUCCESS(Status))
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_PORT_RESTORE_FAIL;
}
else
{
PortExtension->PortPdoFlags |= (USBHUB_PDO_FLAG_INIT_PORT_FAILED |
USBHUB_PDO_FLAG_PORT_RESTORE_FAIL);
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoStartDevice(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
PUSBHUB_FDO_EXTENSION HubExtension;
const GUID * Guid;
NTSTATUS Status;
DPRINT("USBH_PdoStartDevice: PortExtension - %p\n", PortExtension);
if (!PortExtension->HubExtension &&
PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_POWER_D3)
{
PortExtension->HubExtension = PortExtension->RootHubExtension;
}
HubExtension = PortExtension->HubExtension;
if (HubExtension)
{
USBHUB_SetDeviceHandleData(HubExtension,
PortExtension->Common.SelfDevice,
PortExtension->DeviceHandle);
}
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_HUB_DEVICE)
{
Guid = &GUID_DEVINTERFACE_USB_HUB;
}
else
{
Guid = &GUID_DEVINTERFACE_USB_DEVICE;
}
Status = USBH_SymbolicLink(PortExtension, Guid, TRUE);
if (NT_SUCCESS(Status))
{
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_REG_DEV_INTERFACE;
}
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_POWER_D3)
{
Status = USBH_RestoreDevice(PortExtension, 0);
}
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_DEVICE_STARTED;
PortExtension->CurrentPowerState.DeviceState = PowerDeviceD0;
DPRINT1("USBH_PdoStartDevice: call IoWMIRegistrationControl UNIMPLEMENTED. FIXME\n");
return Status;
}
NTSTATUS
NTAPI
USBH_PdoRemoveDevice(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PUSBHUB_FDO_EXTENSION HubExtension)
{
NTSTATUS Status = STATUS_SUCCESS;
PDEVICE_OBJECT PortDevice;
PUSBHUB_PORT_PDO_EXTENSION PortExt;
PUSBHUB_PORT_DATA PortData;
PIRP IdleNotificationIrp;
PIRP WakeIrp;
PVOID DeviceHandle;
PDEVICE_OBJECT Pdo;
PVOID SerialNumber;
USHORT Port;
KIRQL Irql;
DPRINT("USBH_PdoRemoveDevice ... \n");
PortDevice = PortExtension->Common.SelfDevice;
PortExtension->HubExtension = NULL;
Port = PortExtension->PortNumber;
ASSERT(Port > 0);
if (HubExtension &&
HubExtension->CurrentPowerState.DeviceState != PowerDeviceD0 &&
(HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_STARTED) != 0)
{
USBH_HubSetD0(HubExtension);
}
IoAcquireCancelSpinLock(&Irql);
IdleNotificationIrp = PortExtension->IdleNotificationIrp;
if (IdleNotificationIrp)
{
PortExtension->IdleNotificationIrp = NULL;
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_IDLE_NOTIFICATION;
if (IdleNotificationIrp->Cancel)
{
IdleNotificationIrp = NULL;
}
if (IdleNotificationIrp)
{
IoSetCancelRoutine(IdleNotificationIrp, NULL);
}
}
WakeIrp = PortExtension->PdoWaitWakeIrp;
if (WakeIrp)
{
PortExtension->PdoWaitWakeIrp = NULL;
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_WAIT_WAKE;
if (WakeIrp->Cancel || !IoSetCancelRoutine(WakeIrp, NULL))
{
WakeIrp = NULL;
ASSERT(HubExtension);
if (!InterlockedDecrement(&HubExtension->PendingRequestCount))
{
KeSetEvent(&HubExtension->PendingRequestEvent,
EVENT_INCREMENT,
FALSE);
}
}
}
IoReleaseCancelSpinLock(Irql);
if (IdleNotificationIrp)
{
IdleNotificationIrp->IoStatus.Status = STATUS_CANCELLED;
IoCompleteRequest(IdleNotificationIrp, IO_NO_INCREMENT);
}
if (WakeIrp)
{
ASSERT(HubExtension);
USBH_CompletePowerIrp(HubExtension, WakeIrp, STATUS_CANCELLED);
}
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_POWER_D3;
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_REG_DEV_INTERFACE)
{
Status = USBH_SymbolicLink(PortExtension, NULL, FALSE);
if (NT_SUCCESS(Status))
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_REG_DEV_INTERFACE;
}
}
DeviceHandle = InterlockedExchangePointer(&PortExtension->DeviceHandle,
NULL);
if (DeviceHandle)
{
ASSERT(HubExtension);
Status = USBD_RemoveDeviceEx(HubExtension, DeviceHandle, 0);
if (HubExtension->PortData &&
HubExtension->PortData[Port - 1].DeviceObject == PortDevice)
{
USBH_SyncDisablePort(HubExtension, Port);
}
}
if (NT_SUCCESS(Status))
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_DEVICE_STARTED;
if (HubExtension && HubExtension->PortData)
{
PortData = &HubExtension->PortData[Port - 1];
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_DELETE_PENDING)
{
Pdo = PortData->DeviceObject;
if (Pdo)
{
PortData->DeviceObject = NULL;
PortData->ConnectionStatus = NoDeviceConnected;
if (PdoExt(Pdo)->EnumFlags & USBHUB_ENUM_FLAG_DEVICE_PRESENT)
{
PortExt = PdoExt(Pdo);
InsertTailList(&HubExtension->PdoList,
&PortExt->PortLink);
}
}
}
}
if (!(PortExtension->EnumFlags & USBHUB_ENUM_FLAG_DEVICE_PRESENT) &&
!(PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_NOT_CONNECTED))
{
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_NOT_CONNECTED;
SerialNumber = InterlockedExchangePointer((PVOID)&PortExtension->SerialNumber,
NULL);
if (SerialNumber)
{
ExFreePoolWithTag(SerialNumber, USB_HUB_TAG);
}
DPRINT1("USBH_PdoRemoveDevice: call IoWMIRegistrationControl UNIMPLEMENTED. FIXME\n");
if (HubExtension)
USBHUB_FlushAllTransfers(HubExtension);
IoDeleteDevice(PortDevice);
}
}
if (HubExtension)
{
DPRINT("USBH_PdoRemoveDevice: call USBH_CheckIdleDeferred()\n");
USBH_CheckIdleDeferred(HubExtension);
}
return Status;
}
NTSTATUS
NTAPI
USBH_PdoStopDevice(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp)
{
DPRINT1("USBH_PdoStopDevice: UNIMPLEMENTED. FIXME\n");
DbgBreakPoint();
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
USBH_FdoPnP(IN PUSBHUB_FDO_EXTENSION HubExtension,
IN PIRP Irp,
IN UCHAR Minor)
{
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
DEVICE_RELATION_TYPE RelationsType;
BOOLEAN IsCheckIdle;
DPRINT_PNP("USBH_FdoPnP: HubExtension - %p, Irp - %p, Minor - %X\n",
HubExtension,
Irp,
Minor);
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_WAIT_IDLE_REQUEST &&
(Minor == IRP_MN_REMOVE_DEVICE || Minor == IRP_MN_STOP_DEVICE))
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_SUSPENDED;
}
KeWaitForSingleObject(&HubExtension->IdleSemaphore,
Executive,
KernelMode,
FALSE,
NULL);
DPRINT_PNP("USBH_FdoPnP: HubFlags - %lX\n", HubExtension->HubFlags);
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_GOING_IDLE)
{
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_SUSPENDED;
}
IoStack = IoGetCurrentIrpStackLocation(Irp);
RelationsType = IoStack->Parameters.QueryDeviceRelations.Type;
if ((HubExtension->CurrentPowerState.DeviceState == PowerDeviceD0) ||
!(HubExtension->HubFlags & (USBHUB_FDO_FLAG_DEVICE_STOPPED | USBHUB_FDO_FLAG_DEVICE_STARTED)) ||
(Minor == IRP_MN_QUERY_DEVICE_RELATIONS && RelationsType == TargetDeviceRelation))
{
IsCheckIdle = FALSE;
}
else
{
DPRINT_PNP("USBH_FdoPnP: IsCheckIdle - TRUE\n");
IsCheckIdle = TRUE;
USBH_HubSetD0(HubExtension);
}
switch (Minor)
{
case IRP_MN_START_DEVICE:
DPRINT_PNP("FDO IRP_MN_START_DEVICE\n");
IsCheckIdle = FALSE;
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_FdoStartDevice(HubExtension, Irp);
break;
case IRP_MN_QUERY_REMOVE_DEVICE:
DPRINT_PNP("FDO IRP_MN_QUERY_REMOVE_DEVICE\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_REMOVE_DEVICE:
DPRINT_PNP("FDO IRP_MN_REMOVE_DEVICE\n");
IsCheckIdle = FALSE;
HubExtension->HubFlags |= USBHUB_FDO_FLAG_DEVICE_REMOVED;
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_FdoRemoveDevice(HubExtension, Irp);
break;
case IRP_MN_CANCEL_REMOVE_DEVICE:
DPRINT_PNP("FDO IRP_MN_CANCEL_REMOVE_DEVICE\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_STOP_DEVICE:
DPRINT_PNP("FDO IRP_MN_STOP_DEVICE\n");
IsCheckIdle = FALSE;
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_FdoStopDevice(HubExtension, Irp);
break;
case IRP_MN_QUERY_STOP_DEVICE:
DPRINT_PNP("FDO IRP_MN_QUERY_STOP_DEVICE\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_CANCEL_STOP_DEVICE:
DPRINT_PNP("FDO IRP_MN_CANCEL_STOP_DEVICE\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_DEVICE_RELATIONS:
DPRINT_PNP("FDO IRP_MN_QUERY_DEVICE_RELATIONS\n");
if (RelationsType != BusRelations)
{
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
}
HubExtension->HubFlags |= USBHUB_FDO_FLAG_HUB_BUSY;
IsCheckIdle = TRUE;
DPRINT_PNP("USBH_FdoPnP: IsCheckIdle - TRUE\n");
Status = USBH_FdoQueryBusRelations(HubExtension, Irp);
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_HUB_BUSY;
break;
case IRP_MN_QUERY_INTERFACE:
DPRINT_PNP("FDO IRP_MN_QUERY_INTERFACE\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_CAPABILITIES:
DPRINT_PNP("FDO IRP_MN_QUERY_CAPABILITIES\n");
IoCopyCurrentIrpStackLocationToNext(Irp);
IoSetCompletionRoutine(Irp,
USBH_QueryCapsComplete,
HubExtension,
TRUE,
FALSE,
FALSE);
Status = IoCallDriver(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_RESOURCES:
DPRINT_PNP("FDO IRP_MN_QUERY_RESOURCES\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
DPRINT_PNP("FDO IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_DEVICE_TEXT:
DPRINT_PNP("FDO IRP_MN_QUERY_DEVICE_TEXT\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
DPRINT_PNP("FDO IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_READ_CONFIG:
DPRINT_PNP("FDO IRP_MN_READ_CONFIG\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_WRITE_CONFIG:
DPRINT_PNP("FDO IRP_MN_WRITE_CONFIG\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_EJECT:
DPRINT_PNP("FDO IRP_MN_EJECT\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_SET_LOCK:
DPRINT_PNP("FDO IRP_MN_SET_LOCK\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_ID:
DPRINT_PNP("FDO IRP_MN_QUERY_ID\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_PNP_DEVICE_STATE:
DPRINT_PNP("FDO IRP_MN_QUERY_PNP_DEVICE_STATE\n");
if (HubExtension->HubFlags & USBHUB_FDO_FLAG_DEVICE_FAILED)
{
Irp->IoStatus.Information |= PNP_DEVICE_FAILED;
}
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_QUERY_BUS_INFORMATION:
DPRINT_PNP("FDO IRP_MN_QUERY_BUS_INFORMATION\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_DEVICE_USAGE_NOTIFICATION:
DPRINT_PNP("FDO IRP_MN_DEVICE_USAGE_NOTIFICATION\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
case IRP_MN_SURPRISE_REMOVAL:
DPRINT_PNP("FDO IRP_MN_SURPRISE_REMOVAL\n");
USBH_FdoSurpriseRemoveDevice(HubExtension, Irp);
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
default:
DPRINT_PNP("FDO unknown IRP_MN_???\n");
Status = USBH_PassIrp(HubExtension->LowerDevice, Irp);
break;
}
KeReleaseSemaphore(&HubExtension->IdleSemaphore,
LOW_REALTIME_PRIORITY,
1,
FALSE);
if (IsCheckIdle)
{
DPRINT_PNP("USBH_FdoPnP: call USBH_CheckIdleDeferred()\n");
USBH_CheckIdleDeferred(HubExtension);
}
HubExtension->HubFlags &= ~USBHUB_FDO_FLAG_STATE_CHANGING;
return Status;
}
NTSTATUS
NTAPI
USBH_PdoPnP(IN PUSBHUB_PORT_PDO_EXTENSION PortExtension,
IN PIRP Irp,
IN UCHAR Minor,
OUT BOOLEAN * IsCompleteIrp)
{
NTSTATUS Status;
PIO_STACK_LOCATION IoStack;
PPNP_BUS_INFORMATION BusInfo;
PDEVICE_CAPABILITIES DeviceCapabilities;
USHORT Size;
USHORT Version;
PUSBHUB_FDO_EXTENSION HubExtension;
PDEVICE_RELATIONS DeviceRelation;
DPRINT_PNP("USBH_PdoPnP: PortExtension - %p, Irp - %p, Minor - %X\n",
PortExtension,
Irp,
Minor);
IoStack = IoGetCurrentIrpStackLocation(Irp);
*IsCompleteIrp = TRUE;
switch (Minor)
{
case IRP_MN_START_DEVICE:
DPRINT_PNP("PDO IRP_MN_START_DEVICE\n");
return USBH_PdoStartDevice(PortExtension, Irp);
case IRP_MN_QUERY_REMOVE_DEVICE:
DPRINT_PNP("PDO IRP_MN_QUERY_REMOVE_DEVICE\n");
return STATUS_SUCCESS;
case IRP_MN_REMOVE_DEVICE:
DPRINT_PNP("PDO IRP_MN_REMOVE_DEVICE\n");
return USBH_PdoRemoveDevice(PortExtension, PortExtension->HubExtension);
case IRP_MN_CANCEL_REMOVE_DEVICE:
DPRINT_PNP("PDO IRP_MN_CANCEL_REMOVE_DEVICE\n");
return STATUS_SUCCESS;
case IRP_MN_STOP_DEVICE:
DPRINT_PNP("PDO IRP_MN_STOP_DEVICE\n");
return USBH_PdoStopDevice(PortExtension, Irp);
case IRP_MN_QUERY_STOP_DEVICE:
DPRINT_PNP("PDO IRP_MN_QUERY_STOP_DEVICE\n");
return STATUS_SUCCESS;
case IRP_MN_CANCEL_STOP_DEVICE:
DPRINT_PNP("PDO IRP_MN_CANCEL_STOP_DEVICE\n");
return STATUS_SUCCESS;
case IRP_MN_QUERY_DEVICE_RELATIONS:
DPRINT_PNP("PDO IRP_MN_QUERY_DEVICE_RELATIONS\n");
if (IoStack->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
{
return Irp->IoStatus.Status;
}
DeviceRelation = ExAllocatePoolWithTag(PagedPool,
sizeof(DEVICE_RELATIONS),
USB_HUB_TAG);
if (DeviceRelation)
{
RtlZeroMemory(DeviceRelation, sizeof(DEVICE_RELATIONS));
DeviceRelation->Count = 1;
DeviceRelation->Objects[0] = PortExtension->Common.SelfDevice;
ObReferenceObject(DeviceRelation->Objects[0]);
Status = STATUS_SUCCESS;
}
else
{
Status = STATUS_INSUFFICIENT_RESOURCES;
}
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelation;
break;
case IRP_MN_QUERY_INTERFACE:
DPRINT_PNP("PDO IRP_MN_QUERY_INTERFACE\n");
*IsCompleteIrp = 0;
if (IsEqualGUIDAligned(IoStack->Parameters.QueryInterface.InterfaceType,
&USB_BUS_INTERFACE_USBDI_GUID))
{
IoStack->Parameters.QueryInterface.InterfaceSpecificData = PortExtension->DeviceHandle;
}
HubExtension = PortExtension->HubExtension;
if (!HubExtension)
{
HubExtension = PortExtension->RootHubExtension;
}
Status = USBH_PassIrp(HubExtension->RootHubPdo, Irp);
break;
case IRP_MN_QUERY_CAPABILITIES:
DPRINT_PNP("PDO IRP_MN_QUERY_CAPABILITIES\n");
DeviceCapabilities = IoStack->Parameters.DeviceCapabilities.Capabilities;
Size = DeviceCapabilities->Size;
Version = DeviceCapabilities->Version;
RtlCopyMemory(DeviceCapabilities,
&PortExtension->Capabilities,
sizeof(DEVICE_CAPABILITIES));
DeviceCapabilities->Size = Size;
DeviceCapabilities->Version = Version;
/* All devices connected to a hub are removable */
DeviceCapabilities->Removable = 1;
Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_RESOURCES:
DPRINT_PNP("PDO IRP_MN_QUERY_RESOURCES\n");
Status = Irp->IoStatus.Status;
break;
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
DPRINT_PNP("PDO IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
PortExtension->PortPdoFlags |= USBHUB_PDO_FLAG_ENUMERATED;
/* FIXME HKEY_LOCAL_MACHINE\SYSTEM\ControlSetXXX\Enum\USB\
Vid_????&Pid_????\????????????\Device Parameters\
if (ExtPropDescSemaphore)
*/
Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_DEVICE_TEXT:
DPRINT_PNP("PDO IRP_MN_QUERY_DEVICE_TEXT\n");
return USBH_PdoQueryDeviceText(PortExtension, Irp);
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
DPRINT_PNP("PDO IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
Status = Irp->IoStatus.Status;
break;
case IRP_MN_READ_CONFIG:
DPRINT_PNP("PDO IRP_MN_READ_CONFIG\n");
DbgBreakPoint();
Status = Irp->IoStatus.Status;
break;
case IRP_MN_WRITE_CONFIG:
DPRINT_PNP("PDO IRP_MN_WRITE_CONFIG\n");
DbgBreakPoint();
Status = Irp->IoStatus.Status;
break;
case IRP_MN_EJECT:
DPRINT_PNP("PDO IRP_MN_EJECT\n");
DbgBreakPoint();
Status = Irp->IoStatus.Status;
break;
case IRP_MN_SET_LOCK:
DPRINT_PNP("PDO IRP_MN_SET_LOCK\n");
DbgBreakPoint();
Status = Irp->IoStatus.Status;
break;
case IRP_MN_QUERY_ID:
DPRINT_PNP("PDO IRP_MN_QUERY_ID\n");
return USBH_PdoQueryId(PortExtension, Irp);
case IRP_MN_QUERY_PNP_DEVICE_STATE:
DPRINT_PNP("PDO IRP_MN_QUERY_PNP_DEVICE_STATE\n");
if (PortExtension->PortPdoFlags & (USBHUB_PDO_FLAG_INSUFFICIENT_PWR |
USBHUB_PDO_FLAG_OVERCURRENT_PORT |
USBHUB_PDO_FLAG_PORT_RESTORE_FAIL |
USBHUB_PDO_FLAG_INIT_PORT_FAILED))
{
Irp->IoStatus.Information |= PNP_DEVICE_FAILED;
}
Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_BUS_INFORMATION:
DPRINT_PNP("PDO IRP_MN_QUERY_BUS_INFORMATION\n");
BusInfo = ExAllocatePoolWithTag(PagedPool,
sizeof(PNP_BUS_INFORMATION),
USB_HUB_TAG);
if (!BusInfo)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(BusInfo, sizeof(PNP_BUS_INFORMATION));
RtlCopyMemory(&BusInfo->BusTypeGuid,
&GUID_BUS_TYPE_USB,
sizeof(BusInfo->BusTypeGuid));
BusInfo->LegacyBusType = PNPBus;
BusInfo->BusNumber = 0;
Irp->IoStatus.Information = (ULONG_PTR)BusInfo;
Status = STATUS_SUCCESS;
break;
case IRP_MN_DEVICE_USAGE_NOTIFICATION:
DPRINT_PNP("PDO IRP_MN_DEVICE_USAGE_NOTIFICATION\n");
DbgBreakPoint();
Status = Irp->IoStatus.Status;
break;
case IRP_MN_SURPRISE_REMOVAL:
DPRINT_PNP("PDO IRP_MN_SURPRISE_REMOVAL\n");
if (PortExtension->PortPdoFlags & USBHUB_PDO_FLAG_REG_DEV_INTERFACE)
{
Status = USBH_SymbolicLink(PortExtension, NULL, FALSE);
if (NT_SUCCESS(Status))
{
PortExtension->PortPdoFlags &= ~USBHUB_PDO_FLAG_REG_DEV_INTERFACE;
}
}
Status = STATUS_SUCCESS;
break;
default:
DPRINT_PNP("PDO unknown IRP_MN_???\n");
Status = Irp->IoStatus.Status;
break;
}
return Status;
}
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