[I8042PRT]

- Do not prematurely complete IRP_MN_FILTER_RESOURCE_REQUIREMENTS or IRP_MN_QUERY_PNP_DEVICE_STATE
- Do not handle IRP_MN_QUERY_DEVICE_RELATIONS.BusRelations. We're not the bus driver!
- Correctly stub the (mandatory!) dispatch functions for IRP_MJ_POWER and IRP_MJ_SYSTEM_CONTROL
CORE-8142 #resolve

svn path=/trunk/; revision=63127
This commit is contained in:
Thomas Faber 2014-05-03 11:17:57 +00:00
parent 8eff9cd26a
commit 0896926c21
3 changed files with 31 additions and 23 deletions

View file

@ -23,6 +23,10 @@ _Dispatch_type_(IRP_MJ_DEVICE_CONTROL)
static DRIVER_DISPATCH i8042DeviceControl;
_Dispatch_type_(IRP_MJ_INTERNAL_DEVICE_CONTROL)
static DRIVER_DISPATCH i8042InternalDeviceControl;
_Dispatch_type_(IRP_MJ_SYSTEM_CONTROL)
static DRIVER_DISPATCH i8042SystemControl;
_Dispatch_type_(IRP_MJ_POWER)
static DRIVER_DISPATCH i8042Power;
DRIVER_INITIALIZE DriverEntry;
NTSTATUS NTAPI
@ -468,6 +472,27 @@ i8042InternalDeviceControl(
return Status;
}
static NTSTATUS NTAPI
i8042Power(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PFDO_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
PDEVICE_OBJECT LowerDevice = DeviceExtension->LowerDevice;
PoStartNextPowerIrp(Irp);
IoSkipCurrentIrpStackLocation(Irp);
return PoCallDriver(LowerDevice, Irp);
}
static NTSTATUS NTAPI
i8042SystemControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
return ForwardIrpAndForget(DeviceObject, Irp);
}
NTSTATUS NTAPI
DriverEntry(
IN PDRIVER_OBJECT DriverObject,
@ -531,6 +556,8 @@ DriverEntry(
DriverObject->MajorFunction[IRP_MJ_CLOSE] = i8042Close;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = i8042DeviceControl;
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = i8042InternalDeviceControl;
DriverObject->MajorFunction[IRP_MJ_POWER] = i8042Power;
DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = i8042SystemControl;
DriverObject->MajorFunction[IRP_MJ_PNP] = i8042Pnp;
return STATUS_SUCCESS;

View file

@ -19,6 +19,7 @@
/* FUNCTIONS *****************************************************************/
static KDEFERRED_ROUTINE i8042MouDpcRoutine;
static KDEFERRED_ROUTINE i8042DpcRoutineMouseTimeout;
/*
* These functions are callbacks for filter driver custom interrupt
@ -346,7 +347,6 @@ i8042MouDpcRoutine(
* I'll just send the 'disable mouse port' command to the controller
* and say the mouse doesn't exist.
*/
static KDEFERRED_ROUTINE i8042DpcRoutineMouseTimeout;
static VOID NTAPI
i8042DpcRoutineMouseTimeout(
IN PKDPC Dpc,

View file

@ -685,21 +685,8 @@ i8042Pnp(
{
case BusRelations:
{
PDEVICE_RELATIONS DeviceRelations;
TRACE_(I8042PRT, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / BusRelations\n");
DeviceRelations = ExAllocatePoolWithTag(PagedPool,
sizeof(DEVICE_RELATIONS),
I8042PRT_TAG);
if (DeviceRelations)
{
DeviceRelations->Count = 0;
Information = (ULONG_PTR)DeviceRelations;
Status = STATUS_SUCCESS;
}
else
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
return ForwardIrpAndForget(DeviceObject, Irp);
}
case RemovalRelations:
{
@ -709,7 +696,6 @@ i8042Pnp(
default:
ERR_(I8042PRT, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n",
Stack->Parameters.QueryDeviceRelations.Type);
ASSERT(FALSE);
return ForwardIrpAndForget(DeviceObject, Irp);
}
break;
@ -717,17 +703,12 @@ i8042Pnp(
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS: /* (optional) 0x0d */
{
TRACE_(I8042PRT, "IRP_MJ_PNP / IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
/* Nothing to do */
Status = Irp->IoStatus.Status;
break;
return ForwardIrpAndForget(DeviceObject, Irp);
}
case IRP_MN_QUERY_PNP_DEVICE_STATE: /* 0x14 */
{
TRACE_(I8042PRT, "IRP_MJ_PNP / IRP_MN_QUERY_PNP_DEVICE_STATE\n");
/* Nothing much to tell */
Information = 0;
Status = STATUS_SUCCESS;
break;
return ForwardIrpAndForget(DeviceObject, Irp);
}
default:
{