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[USBCCGP]

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- Remove hack of forwarding pdo requests to lower device object of fdo
- Implement handling of reset port and cycle port
- IOCTL_INTERNAL_USB_RESET_PORT /  IOCTL_INTERNAL_USB_CYCLE_PORT now need to be implemented in usbhub

svn path=/branches/usb-bringup-trunk/; revision=55396
This commit is contained in:
Johannes Anderwald 2012-02-03 16:03:42 +00:00
parent fb0e8c40ac
commit 9eed4afb3d
4 changed files with 204 additions and 1 deletions
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178
drivers/usb/usbccgp/fdo.c
View file

@ -277,7 +277,7 @@ FDO_CreateChildPdo(
//
PDODeviceExtension->Common.IsFDO = FALSE;
PDODeviceExtension->FunctionDescriptor = &FDODeviceExtension->FunctionDescriptor[Index];
PDODeviceExtension->NextDeviceObject = FDODeviceExtension->NextDeviceObject; //DeviceObject; HACK
PDODeviceExtension->NextDeviceObject = DeviceObject;
PDODeviceExtension->FunctionIndex = Index;
PDODeviceExtension->FDODeviceExtension = FDODeviceExtension;
PDODeviceExtension->InterfaceList = FDODeviceExtension->InterfaceList;
@ -498,8 +498,182 @@ FDO_HandlePnp(
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
FDO_HandleResetCyclePort(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
PLIST_ENTRY ListHead, Entry;
LIST_ENTRY TempList;
PUCHAR ResetActive;
PIRP ListIrp;
KIRQL OldLevel;
//
// get device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
// get stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
DPRINT1("FDO_HandleResetCyclePort IOCTL %x\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_RESET_PORT)
{
//
// use reset port list
//
ListHead = &FDODeviceExtension->ResetPortListHead;
ResetActive = &FDODeviceExtension->ResetPortActive;
}
else
{
//
// use cycle port list
//
ListHead = &FDODeviceExtension->CyclePortListHead;
ResetActive = &FDODeviceExtension->CyclePortActive;
}
//
// acquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->Lock, &OldLevel);
if (*ResetActive)
{
//
// insert into pending list
//
InsertTailList(ListHead, &Irp->Tail.Overlay.ListEntry);
//
// mark irp pending
//
IoMarkIrpPending(Irp);
Status = STATUS_PENDING;
//
// release lock
//
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
}
else
{
//
// mark reset active
//
*ResetActive = TRUE;
//
// release lock
//
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
//
// forward request synchronized
//
USBCCGP_SyncForwardIrp(FDODeviceExtension->NextDeviceObject, Irp);
//
// reacquire lock
//
KeAcquireSpinLock(&FDODeviceExtension->Lock, &OldLevel);
//
// mark reset as completed
//
*ResetActive = FALSE;
//
// move all requests into temporary list
//
InitializeListHead(&TempList);
while(!IsListEmpty(ListHead))
{
Entry = RemoveHeadList(ListHead);
InsertTailList(&TempList, Entry);
}
//
// release lock
//
KeReleaseSpinLock(&FDODeviceExtension->Lock, OldLevel);
//
// complete pending irps
//
while(!IsListEmpty(&TempList))
{
Entry = RemoveHeadList(&TempList);
ListIrp = (PIRP)CONTAINING_RECORD(Entry, IRP, Tail.Overlay.ListEntry);
//
// complete request with status success
//
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
//
// status success
//
Status = STATUS_SUCCESS;
}
return Status;
}
NTSTATUS
FDO_HandleInternalDeviceControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
PFDO_DEVICE_EXTENSION FDODeviceExtension;
//
// get device extension
//
FDODeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
ASSERT(FDODeviceExtension->Common.IsFDO);
// get stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_RESET_PORT ||
IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_CYCLE_PORT)
{
//
// handle reset / cycle ports
//
Status = FDO_HandleResetCyclePort(DeviceObject, Irp);
DPRINT1("FDO_HandleResetCyclePort Status %x\n", Status);
if (Status != STATUS_PENDING)
{
//
// complete request
//
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
return Status;
}
//
// forward and forget request
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(FDODeviceExtension->NextDeviceObject, Irp);
}
NTSTATUS
@ -517,6 +691,8 @@ FDO_Dispatch(
{
case IRP_MJ_PNP:
return FDO_HandlePnp(DeviceObject, Irp);
case IRP_MJ_INTERNAL_DEVICE_CONTROL:
return FDO_HandleInternalDeviceControl(DeviceObject, Irp);
default:
DPRINT1("FDO_Dispatch Function %x not implemented\n", IoStack->MajorFunction);
ASSERT(FALSE);

18
drivers/usb/usbccgp/pdo.c
View file

@ -925,6 +925,24 @@ PDO_HandleInternalDeviceControl(
return Status;
}
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_GET_PORT_STATUS)
{
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(PDODeviceExtension->NextDeviceObject, Irp);
return Status;
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_RESET_PORT)
{
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(PDODeviceExtension->NextDeviceObject, Irp);
return Status;
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_CYCLE_PORT)
{
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(PDODeviceExtension->NextDeviceObject, Irp);
return Status;
}

4
drivers/usb/usbccgp/usbccgp.c
View file

@ -43,6 +43,10 @@ USBCCGP_AddDevice(
FDODeviceExtension->Common.IsFDO = TRUE;
FDODeviceExtension->DriverObject = DriverObject;
FDODeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
InitializeListHead(&FDODeviceExtension->ResetPortListHead);
InitializeListHead(&FDODeviceExtension->CyclePortListHead);
KeInitializeSpinLock(&FDODeviceExtension->Lock);
FDODeviceExtension->NextDeviceObject = IoAttachDeviceToDeviceStack(DeviceObject, PhysicalDeviceObject);
if (!FDODeviceExtension->NextDeviceObject)
{

5
drivers/usb/usbccgp/usbccgp.h
View file

@ -39,6 +39,11 @@ typedef struct
PUSBC_FUNCTION_DESCRIPTOR FunctionDescriptor; // usb function descriptor
ULONG FunctionDescriptorCount; // number of function descriptor
PDEVICE_OBJECT * ChildPDO; // child pdos
LIST_ENTRY ResetPortListHead; // reset port list head
LIST_ENTRY CyclePortListHead; // cycle port list head
UCHAR ResetPortActive; // reset port active
UCHAR CyclePortActive; // cycle port active
KSPIN_LOCK Lock; // reset / cycle port list lock
}FDO_DEVICE_EXTENSION, *PFDO_DEVICE_EXTENSION;
#define USBCCPG_TAG 'cbsu'