116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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write.c
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Abstract:
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This module contains the code that is very specific to initialization
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and unload operations in the irenum driver
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Author:
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Brian Lieuallen, 7-13-2000
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Environment:
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Kernel mode
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Revision History :
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--*/
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#include "internal.h"
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#include "ircomm.h"
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VOID
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ProcesWriteData(
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PFDO_DEVICE_EXTENSION DeviceExtension
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);
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NTSTATUS
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IrCommWrite(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp
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)
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{
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PFDO_DEVICE_EXTENSION DeviceExtension=(PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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NTSTATUS Status=STATUS_SUCCESS;
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D_TRACE(DbgPrint("IRCOMM: IrCommWrite\n");)
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if (DeviceExtension->Removing) {
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//
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// the device has been removed, no more irps
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//
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Irp->IoStatus.Status=STATUS_DEVICE_REMOVED;
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IoCompleteRequest(Irp,IO_NO_INCREMENT);
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return STATUS_DEVICE_REMOVED;
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}
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IoMarkIrpPending(Irp);
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QueuePacket(&DeviceExtension->Write.Queue,Irp,FALSE);
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return STATUS_PENDING;
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}
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VOID
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SendComplete(
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PVOID Context,
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PIRP Irp
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)
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{
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PFDO_DEVICE_EXTENSION DeviceExtension=(PFDO_DEVICE_EXTENSION)Context;
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PIO_STACK_LOCATION IrpSp=IoGetCurrentIrpStackLocation(Irp);
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if (IrpSp->MajorFunction == IRP_MJ_WRITE) {
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InterlockedExchangeAdd(
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&DeviceExtension->Write.BytesWritten,
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(LONG)Irp->IoStatus.Information
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);
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}
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IoCompleteRequest(Irp,IO_NO_INCREMENT);
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StartNextPacket(&DeviceExtension->Write.Queue);
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return;
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}
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VOID
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WriteStartRoutine(
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PVOID Context,
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PIRP Irp
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)
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{
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PFDO_DEVICE_EXTENSION DeviceExtension=(PFDO_DEVICE_EXTENSION)Context;
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PIO_STACK_LOCATION IrpSp=IoGetCurrentIrpStackLocation(Irp);
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SendOnConnection(
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DeviceExtension->ConnectionHandle,
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Irp,
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SendComplete,
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DeviceExtension,
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DeviceExtension->TimeOuts.WriteTotalTimeoutConstant + (DeviceExtension->TimeOuts.WriteTotalTimeoutMultiplier * IrpSp->Parameters.Write.Length)
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);
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return;
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}
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