92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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/*++
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Copyright (C) Microsoft Corporation, 2000
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Module Name:
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dispatch.c
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Abstract:
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This file contains code for dispatch routines for iScsiPort
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Environment:
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kernel mode only
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Revision History:
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--*/
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#include "port.h"
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PDRIVER_DISPATCH FdoMajorFunctionTable[IRP_MJ_MAXIMUM_FUNCTION + 1];
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PDRIVER_DISPATCH PdoMajorFunctionTable[IRP_MJ_MAXIMUM_FUNCTION + 1];
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VOID
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iScsiPortInitializeDispatchTables()
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{
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ULONG inx;
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//
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// Initialize FDO dispatch table
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//
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for (inx = 0; inx <= IRP_MJ_MAXIMUM_FUNCTION; inx++) {
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FdoMajorFunctionTable[inx] = iScsiPortDispatchUnsupported;
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}
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FdoMajorFunctionTable[IRP_MJ_DEVICE_CONTROL] = iScsiPortFdoDeviceControl;
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FdoMajorFunctionTable[IRP_MJ_SCSI] = iScsiPortFdoDispatch;
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FdoMajorFunctionTable[IRP_MJ_PNP] = iScsiPortFdoPnp;
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FdoMajorFunctionTable[IRP_MJ_POWER] = iScsiPortPower;
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FdoMajorFunctionTable[IRP_MJ_CREATE] = iScsiPortFdoCreateClose;
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FdoMajorFunctionTable[IRP_MJ_CLOSE] = iScsiPortFdoCreateClose;
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FdoMajorFunctionTable[IRP_MJ_SYSTEM_CONTROL] = iScsiPortSystemControl;
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//
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// Initialize PDO dispatch table
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//
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for(inx = 0; inx <= IRP_MJ_MAXIMUM_FUNCTION; inx++) {
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PdoMajorFunctionTable[inx] = iScsiPortDispatchUnsupported;
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}
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PdoMajorFunctionTable[IRP_MJ_DEVICE_CONTROL] = iScsiPortPdoDeviceControl;
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PdoMajorFunctionTable[IRP_MJ_SCSI] = iScsiPortPdoDispatch;
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PdoMajorFunctionTable[IRP_MJ_PNP] = iScsiPortPdoPnp;
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PdoMajorFunctionTable[IRP_MJ_POWER] = iScsiPortPower;
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PdoMajorFunctionTable[IRP_MJ_CREATE] = iScsiPortPdoCreateClose;
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PdoMajorFunctionTable[IRP_MJ_CLOSE] = iScsiPortPdoCreateClose;
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PdoMajorFunctionTable[IRP_MJ_SYSTEM_CONTROL] = iScsiPortSystemControl;
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return;
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}
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NTSTATUS
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iScsiPortGlobalDispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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PCOMMON_EXTENSION commonExtension = DeviceObject->DeviceExtension;
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PIO_STACK_LOCATION irpStack = IoGetCurrentIrpStackLocation(Irp);
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return (commonExtension->MajorFunction[irpStack->MajorFunction])(DeviceObject,
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Irp);
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}
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NTSTATUS
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iScsiPortDispatchUnsupported(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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