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1f377076d7
Not all files are included, but these are necessary to compile cdrom driver. So far it can only be statically linked with drivers, a proper implementation requires wdfldr helper driver
97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
/*++
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Copyright (c) Microsoft Corporation
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Module Name:
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FxDefaultIrpHandler.cpp
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Abstract:
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This module implements the default handler for IRPs that WDF does not handle
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automatically for an FxDevice
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Author:
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Environment:
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Both kernel and user mode
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Revision History:
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--*/
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#if ((FX_CORE_MODE)==(FX_CORE_USER_MODE))
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#define FX_IS_USER_MODE (TRUE)
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#define FX_IS_KERNEL_MODE (FALSE)
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#elif ((FX_CORE_MODE)==(FX_CORE_KERNEL_MODE))
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#define FX_IS_USER_MODE (FALSE)
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#define FX_IS_KERNEL_MODE (TRUE)
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#endif
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extern "C" {
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#include "mx.h"
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}
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#include "fxmin.hpp"
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extern "C" {
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// #include "FxDefaultIrpHandler.tmh"
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}
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FxDefaultIrpHandler::FxDefaultIrpHandler(
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__in PFX_DRIVER_GLOBALS FxDriverGlobals,
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__in CfxDevice *Device
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) :
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FxPackage(FxDriverGlobals, Device, FX_TYPE_DEFAULT_IRP_HANDLER)
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{
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}
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_Must_inspect_result_
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NTSTATUS
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FxDefaultIrpHandler::Dispatch(
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__in MdIrp Irp
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)
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{
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UCHAR major, minor;
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FxIrp fxIrp(Irp);
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major = fxIrp.GetMajorFunction();
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minor = fxIrp.GetMinorFunction();
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if (FxDevice::_RequiresRemLock(major, minor) == FxDeviceRemLockRequired) {
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if (major == IRP_MJ_POWER) {
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//
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// Required to be called before the power irp is completed
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//
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fxIrp.StartNextPowerIrp();
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}
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fxIrp.SetStatus(STATUS_INVALID_DEVICE_REQUEST);
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fxIrp.SetInformation(0);
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fxIrp.CompleteRequest(IO_NO_INCREMENT);
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//
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// If we are in this function, m_Device is still valid, so we can use it
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// to get the WDM remove lock and not have to get it out of the
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// device object from current irp stack location.
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//
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Mx::MxReleaseRemoveLock(m_Device->GetRemoveLock(), Irp);
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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if (m_Device->IsFilter()) {
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fxIrp.SkipCurrentIrpStackLocation();
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return fxIrp.CallDriver(m_Device->GetAttachedDevice());
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}
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else {
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fxIrp.SetStatus(STATUS_INVALID_DEVICE_REQUEST);
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fxIrp.SetInformation(0);
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fxIrp.CompleteRequest(IO_NO_INCREMENT);
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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}
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