163 lines
4.2 KiB
C
163 lines
4.2 KiB
C
/*++
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Copyright (C) Microsoft Corporation, 1990 - 1998
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Module Name:
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pnp.c
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Abstract:
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This is the NT SCSI port driver. This file contains the self-contained plug
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and play code.
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Authors:
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Peter Wieland
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Environment:
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kernel mode only
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Notes:
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This module is a driver dll for scsi miniports.
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Revision History:
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--*/
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#include "port.h"
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#if DBG
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static const char *__file__ = __FILE__;
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#endif
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PDRIVER_DISPATCH AdapterMajorFunctionTable[IRP_MJ_MAXIMUM_FUNCTION + 1];
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PDRIVER_DISPATCH DeviceMajorFunctionTable[IRP_MJ_MAXIMUM_FUNCTION + 1];
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PDRIVER_DISPATCH Scsi1DeviceMajorFunctionTable[IRP_MJ_MAXIMUM_FUNCTION + 1];
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(INIT, ScsiPortInitializeDispatchTables)
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#endif
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NTSTATUS
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ScsiPortDispatchUnimplemented(
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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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// Routines start
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//
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VOID
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ScsiPortInitializeDispatchTables(
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VOID
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)
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{
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ULONG i;
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//
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// Initialize the PDO dispatch table
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//
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for(i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++) {
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DeviceMajorFunctionTable[i] = ScsiPortDispatchUnimplemented;
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}
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DeviceMajorFunctionTable[IRP_MJ_DEVICE_CONTROL] = ScsiPortPdoDeviceControl;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_DEVICE_CONTROL] = ScsiPortPdoDeviceControl;
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DeviceMajorFunctionTable[IRP_MJ_SCSI] = ScsiPortPdoScsi;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_SCSI] = ScsiPortScsi1PdoScsi;
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DeviceMajorFunctionTable[IRP_MJ_PNP] = ScsiPortPdoPnp;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_PNP] = ScsiPortPdoPnp;
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DeviceMajorFunctionTable[IRP_MJ_CREATE] = ScsiPortPdoCreateClose;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_CREATE] = ScsiPortPdoCreateClose;
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DeviceMajorFunctionTable[IRP_MJ_CLOSE] = ScsiPortPdoCreateClose;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_CLOSE] = ScsiPortPdoCreateClose;
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DeviceMajorFunctionTable[IRP_MJ_SYSTEM_CONTROL] = ScsiPortSystemControlIrp;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_SYSTEM_CONTROL] = ScsiPortSystemControlIrp;
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DeviceMajorFunctionTable[IRP_MJ_POWER] = ScsiPortDispatchPower;
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Scsi1DeviceMajorFunctionTable[IRP_MJ_POWER] = ScsiPortDispatchPower;
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//
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// Initialize the adapter dispatch table
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//
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for(i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++) {
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AdapterMajorFunctionTable[i] = ScsiPortDispatchUnimplemented;
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}
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AdapterMajorFunctionTable[IRP_MJ_DEVICE_CONTROL] = ScsiPortFdoDeviceControl;
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AdapterMajorFunctionTable[IRP_MJ_SCSI] = ScsiPortFdoDispatch;
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AdapterMajorFunctionTable[IRP_MJ_PNP] = ScsiPortFdoPnp;
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AdapterMajorFunctionTable[IRP_MJ_CREATE] = ScsiPortFdoCreateClose;
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AdapterMajorFunctionTable[IRP_MJ_CLOSE] = ScsiPortFdoCreateClose;
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AdapterMajorFunctionTable[IRP_MJ_SYSTEM_CONTROL] = ScsiPortSystemControlIrp;
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AdapterMajorFunctionTable[IRP_MJ_POWER] = ScsiPortDispatchPower;
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return;
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}
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NTSTATUS
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ScsiPortGlobalDispatch(
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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, Irp);
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}
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NTSTATUS
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ScsiPortDispatchUnimplemented(
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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;
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PIO_STACK_LOCATION irpStack = IoGetCurrentIrpStackLocation(Irp);
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ULONG isRemoved;
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isRemoved = SpAcquireRemoveLock(DeviceObject, Irp);
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if(isRemoved) {
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Irp->IoStatus.Status = STATUS_DEVICE_DOES_NOT_EXIST;
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SpReleaseRemoveLock(DeviceObject, Irp);
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SpCompleteRequest(DeviceObject, Irp, NULL, IO_NO_INCREMENT);
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return STATUS_DEVICE_DOES_NOT_EXIST;
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}
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commonExtension = DeviceObject->DeviceExtension;
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DebugPrint((1, "ScsiPortDispatchUnimplemented: request %#p\n", Irp));
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DebugPrint((1, "/t/tFunction Code (%d, %d)\n",
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irpStack->MajorFunction,
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irpStack->MinorFunction));
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DebugPrint((1, "/t/tFor %s %#p\n",
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(commonExtension->IsPdo ? "PDO" : "FDO"),
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DeviceObject));
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Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
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SpReleaseRemoveLock(DeviceObject, Irp);
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SpCompleteRequest(DeviceObject, Irp, NULL, IO_NO_INCREMENT);
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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