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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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* PROJECT: ReactOS Serial mouse driver
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/input/sermouse/fdo.c
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* PURPOSE: Misceallenous operations
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* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "sermouse.h"
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static IO_COMPLETION_ROUTINE ForwardIrpAndWaitCompletion;
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static NTSTATUS NTAPI
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ForwardIrpAndWaitCompletion(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID Context)
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{
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if (Irp->PendingReturned)
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KeSetEvent((PKEVENT)Context, IO_NO_INCREMENT, FALSE);
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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NTSTATUS
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ForwardIrpAndWait(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PDEVICE_OBJECT LowerDevice = ((PSERMOUSE_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice;
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KEVENT Event;
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NTSTATUS Status;
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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IoCopyCurrentIrpStackLocationToNext(Irp);
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TRACE_(SERMOUSE, "Calling lower device %p\n", LowerDevice);
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IoSetCompletionRoutine(Irp, ForwardIrpAndWaitCompletion, &Event, TRUE, TRUE, TRUE);
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Status = IoCallDriver(LowerDevice, Irp);
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if (Status == STATUS_PENDING)
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{
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Status = KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL);
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if (NT_SUCCESS(Status))
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Status = Irp->IoStatus.Status;
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}
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return Status;
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}
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NTSTATUS NTAPI
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ForwardIrpAndForget(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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PDEVICE_OBJECT LowerDevice = ((PSERMOUSE_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->LowerDevice;
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(LowerDevice, Irp);
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}
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