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![Eric Kohl](/assets/img/avatar_default.png)
- Create PDO for the device - Send a SCSIOP_INQUIRY command to the new PDO - Delete the PDO if the inquiry command failed
687 lines
21 KiB
C
687 lines
21 KiB
C
/*
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* PROJECT: ReactOS Storport Driver
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Storport FDO code
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* COPYRIGHT: Copyright 2017 Eric Kohl (eric.kohl@reactos.org)
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*/
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/* INCLUDES *******************************************************************/
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#include "precomp.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ******************************************************************/
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static
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BOOLEAN
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NTAPI
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PortFdoInterruptRoutine(
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_In_ PKINTERRUPT Interrupt,
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_In_ PVOID ServiceContext)
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{
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PFDO_DEVICE_EXTENSION DeviceExtension;
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DPRINT1("PortFdoInterruptRoutine(%p %p)\n",
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Interrupt, ServiceContext);
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DeviceExtension = (PFDO_DEVICE_EXTENSION)ServiceContext;
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return MiniportHwInterrupt(&DeviceExtension->Miniport);
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}
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static
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NTSTATUS
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PortFdoConnectInterrupt(
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_In_ PFDO_DEVICE_EXTENSION DeviceExtension)
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{
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ULONG Vector;
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KIRQL Irql;
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KINTERRUPT_MODE InterruptMode;
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BOOLEAN ShareVector;
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KAFFINITY Affinity;
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NTSTATUS Status;
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DPRINT1("PortFdoConnectInterrupt(%p)\n",
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DeviceExtension);
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/* No resources, no interrupt. Done! */
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if (DeviceExtension->AllocatedResources == NULL ||
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DeviceExtension->TranslatedResources == NULL)
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{
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DPRINT1("Checkpoint\n");
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return STATUS_SUCCESS;
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}
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/* Get the interrupt data from the resource list */
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Status = GetResourceListInterrupt(DeviceExtension,
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&Vector,
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&Irql,
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&InterruptMode,
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&ShareVector,
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&Affinity);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("GetResourceListInterrupt() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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DPRINT1("Vector: %lu\n", Vector);
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DPRINT1("Irql: %lu\n", Irql);
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DPRINT1("Affinity: 0x%08lx\n", Affinity);
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/* Connect the interrupt */
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Status = IoConnectInterrupt(&DeviceExtension->Interrupt,
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PortFdoInterruptRoutine,
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DeviceExtension,
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NULL,
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Vector,
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Irql,
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Irql,
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InterruptMode,
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ShareVector,
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Affinity,
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FALSE);
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if (NT_SUCCESS(Status))
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{
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DeviceExtension->InterruptIrql = Irql;
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}
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else
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{
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DPRINT1("IoConnectInterrupt() failed (Status 0x%08lx)\n", Status);
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}
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return Status;
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}
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static
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NTSTATUS
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PortFdoStartMiniport(
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_In_ PFDO_DEVICE_EXTENSION DeviceExtension)
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{
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PHW_INITIALIZATION_DATA InitData;
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INTERFACE_TYPE InterfaceType;
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NTSTATUS Status;
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DPRINT1("PortFdoStartDevice(%p)\n", DeviceExtension);
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/* Get the interface type of the lower device */
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InterfaceType = GetBusInterface(DeviceExtension->LowerDevice);
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if (InterfaceType == InterfaceTypeUndefined)
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return STATUS_NO_SUCH_DEVICE;
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/* Get the driver init data for the given interface type */
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InitData = PortGetDriverInitData(DeviceExtension->DriverExtension,
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InterfaceType);
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if (InitData == NULL)
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return STATUS_NO_SUCH_DEVICE;
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/* Initialize the miniport */
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Status = MiniportInitialize(&DeviceExtension->Miniport,
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DeviceExtension,
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InitData);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("MiniportInitialize() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Call the miniports FindAdapter function */
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Status = MiniportFindAdapter(&DeviceExtension->Miniport);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("MiniportFindAdapter() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Connect the configured interrupt */
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Status = PortFdoConnectInterrupt(DeviceExtension);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("PortFdoConnectInterrupt() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Call the miniports HwInitialize function */
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Status = MiniportHwInitialize(&DeviceExtension->Miniport);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("MiniportHwInitialize() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Call the HwPassiveInitRoutine function, if available */
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if (DeviceExtension->HwPassiveInitRoutine != NULL)
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{
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DPRINT1("Calling HwPassiveInitRoutine()\n");
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if (!DeviceExtension->HwPassiveInitRoutine(&DeviceExtension->Miniport.MiniportExtension->HwDeviceExtension))
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{
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DPRINT1("HwPassiveInitRoutine() failed\n");
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return STATUS_UNSUCCESSFUL;
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}
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}
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return STATUS_SUCCESS;
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}
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static
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NTSTATUS
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NTAPI
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PortFdoStartDevice(
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_In_ PFDO_DEVICE_EXTENSION DeviceExtension,
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_In_ PIRP Irp)
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{
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PIO_STACK_LOCATION Stack;
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NTSTATUS Status;
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DPRINT1("PortFdoStartDevice(%p %p)\n",
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DeviceExtension, Irp);
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ASSERT(DeviceExtension->ExtensionType == FdoExtension);
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/* Get the current stack location */
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Stack = IoGetCurrentIrpStackLocation(Irp);
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/* Start the lower device if the FDO is in 'stopped' state */
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if (DeviceExtension->PnpState == dsStopped)
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{
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Status = ForwardIrpAndWait(DeviceExtension->LowerDevice, Irp);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ForwardIrpAndWait() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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}
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/* Change to the 'started' state */
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DeviceExtension->PnpState = dsStarted;
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/* Copy the raw and translated resource lists into the device extension */
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if (Stack->Parameters.StartDevice.AllocatedResources != NULL &&
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Stack->Parameters.StartDevice.AllocatedResourcesTranslated != NULL)
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{
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DeviceExtension->AllocatedResources = CopyResourceList(NonPagedPool,
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Stack->Parameters.StartDevice.AllocatedResources);
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if (DeviceExtension->AllocatedResources == NULL)
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return STATUS_NO_MEMORY;
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DeviceExtension->TranslatedResources = CopyResourceList(NonPagedPool,
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Stack->Parameters.StartDevice.AllocatedResourcesTranslated);
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if (DeviceExtension->TranslatedResources == NULL)
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return STATUS_NO_MEMORY;
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}
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/* Get the bus interface of the lower (bus) device */
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Status = QueryBusInterface(DeviceExtension->LowerDevice,
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(PGUID)&GUID_BUS_INTERFACE_STANDARD,
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sizeof(BUS_INTERFACE_STANDARD),
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1,
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&DeviceExtension->BusInterface,
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NULL);
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DPRINT1("Status: 0x%08lx\n", Status);
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if (NT_SUCCESS(Status))
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{
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DPRINT1("Context: %p\n", DeviceExtension->BusInterface.Context);
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DeviceExtension->BusInitialized = TRUE;
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}
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/* Start the miniport (FindAdapter & Initialize) */
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Status = PortFdoStartMiniport(DeviceExtension);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("FdoStartMiniport() failed (Status 0x%08lx)\n", Status);
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DeviceExtension->PnpState = dsStopped;
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}
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return Status;
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}
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static
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NTSTATUS
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PortSendInquiry(
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_In_ PPDO_DEVICE_EXTENSION PdoExtension)
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{
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IO_STATUS_BLOCK IoStatusBlock;
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PIO_STACK_LOCATION IrpStack;
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KEVENT Event;
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// KIRQL Irql;
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PIRP Irp;
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NTSTATUS Status;
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PSENSE_DATA SenseBuffer;
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BOOLEAN KeepTrying = TRUE;
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ULONG RetryCount = 0;
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SCSI_REQUEST_BLOCK Srb;
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PCDB Cdb;
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// PSCSI_PORT_LUN_EXTENSION LunExtension;
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// PFDO_DEVICE_EXTENSION DeviceExtension;
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DPRINT("PortSendInquiry(%p)\n", PdoExtension);
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if (PdoExtension->InquiryBuffer == NULL)
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{
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PdoExtension->InquiryBuffer = ExAllocatePoolWithTag(NonPagedPool, INQUIRYDATABUFFERSIZE, TAG_INQUIRY_DATA);
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if (PdoExtension->InquiryBuffer == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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SenseBuffer = ExAllocatePoolWithTag(NonPagedPool, SENSE_BUFFER_SIZE, TAG_SENSE_DATA);
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if (SenseBuffer == NULL)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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while (KeepTrying)
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{
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/* Initialize event for waiting */
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KeInitializeEvent(&Event,
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NotificationEvent,
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FALSE);
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/* Create an IRP */
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Irp = IoBuildDeviceIoControlRequest(IOCTL_SCSI_EXECUTE_IN,
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PdoExtension->Device,
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NULL,
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0,
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PdoExtension->InquiryBuffer,
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INQUIRYDATABUFFERSIZE,
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TRUE,
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&Event,
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&IoStatusBlock);
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if (Irp == NULL)
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{
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DPRINT("IoBuildDeviceIoControlRequest() failed\n");
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/* Quit the loop */
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Status = STATUS_INSUFFICIENT_RESOURCES;
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KeepTrying = FALSE;
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continue;
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}
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/* Prepare SRB */
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RtlZeroMemory(&Srb, sizeof(SCSI_REQUEST_BLOCK));
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Srb.Length = sizeof(SCSI_REQUEST_BLOCK);
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Srb.OriginalRequest = Irp;
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Srb.PathId = PdoExtension->Bus;
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Srb.TargetId = PdoExtension->Target;
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Srb.Lun = PdoExtension->Lun;
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Srb.Function = SRB_FUNCTION_EXECUTE_SCSI;
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Srb.SrbFlags = SRB_FLAGS_DATA_IN | SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
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Srb.TimeOutValue = 4;
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Srb.CdbLength = 6;
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Srb.SenseInfoBuffer = SenseBuffer;
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Srb.SenseInfoBufferLength = SENSE_BUFFER_SIZE;
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Srb.DataBuffer = PdoExtension->InquiryBuffer;
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Srb.DataTransferLength = INQUIRYDATABUFFERSIZE;
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/* Attach Srb to the Irp */
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IrpStack = IoGetNextIrpStackLocation(Irp);
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IrpStack->Parameters.Scsi.Srb = &Srb;
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/* Fill in CDB */
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Cdb = (PCDB)Srb.Cdb;
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Cdb->CDB6INQUIRY.OperationCode = SCSIOP_INQUIRY;
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Cdb->CDB6INQUIRY.LogicalUnitNumber = PdoExtension->Lun;
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Cdb->CDB6INQUIRY.AllocationLength = INQUIRYDATABUFFERSIZE;
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/* Call the driver */
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Status = IoCallDriver(PdoExtension->Device, Irp);
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/* Wait for it to complete */
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if (Status == STATUS_PENDING)
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{
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DPRINT1("PortSendInquiry(): Waiting for the driver to process request...\n");
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KeWaitForSingleObject(&Event,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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Status = IoStatusBlock.Status;
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}
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DPRINT("PortSendInquiry(): Request processed by driver, status = 0x%08X\n", Status);
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if (SRB_STATUS(Srb.SrbStatus) == SRB_STATUS_SUCCESS)
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{
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DPRINT("Found a device!\n");
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/* Quit the loop */
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Status = STATUS_SUCCESS;
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KeepTrying = FALSE;
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continue;
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}
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DPRINT("Inquiry SRB failed with SrbStatus 0x%08X\n", Srb.SrbStatus);
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/* Check if the queue is frozen */
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if (Srb.SrbStatus & SRB_STATUS_QUEUE_FROZEN)
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{
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/* Something weird happened, deal with it (unfreeze the queue) */
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KeepTrying = FALSE;
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DPRINT("SpiSendInquiry(): the queue is frozen at TargetId %d\n", Srb.TargetId);
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// LunExtension = SpiGetLunExtension(DeviceExtension,
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// LunInfo->PathId,
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// LunInfo->TargetId,
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// LunInfo->Lun);
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/* Clear frozen flag */
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// LunExtension->Flags &= ~LUNEX_FROZEN_QUEUE;
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/* Acquire the spinlock */
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// KeAcquireSpinLock(&DeviceExtension->SpinLock, &Irql);
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/* Process the request */
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// SpiGetNextRequestFromLun(DeviceObject->DeviceExtension, LunExtension);
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/* SpiGetNextRequestFromLun() releases the spinlock,
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so we just lower irql back to what it was before */
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// KeLowerIrql(Irql);
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}
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/* Check if data overrun happened */
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if (SRB_STATUS(Srb.SrbStatus) == SRB_STATUS_DATA_OVERRUN)
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{
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DPRINT("Data overrun at TargetId %d\n", PdoExtension->Target);
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/* Quit the loop */
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Status = STATUS_SUCCESS;
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KeepTrying = FALSE;
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}
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else if ((Srb.SrbStatus & SRB_STATUS_AUTOSENSE_VALID) &&
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SenseBuffer->SenseKey == SCSI_SENSE_ILLEGAL_REQUEST)
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{
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/* LUN is not valid, but some device responds there.
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Mark it as invalid anyway */
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/* Quit the loop */
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Status = STATUS_INVALID_DEVICE_REQUEST;
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KeepTrying = FALSE;
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}
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else
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{
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/* Retry a couple of times if no timeout happened */
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if ((RetryCount < 2) &&
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(SRB_STATUS(Srb.SrbStatus) != SRB_STATUS_NO_DEVICE) &&
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(SRB_STATUS(Srb.SrbStatus) != SRB_STATUS_SELECTION_TIMEOUT))
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{
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RetryCount++;
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KeepTrying = TRUE;
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}
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else
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{
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/* That's all, quit the loop */
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KeepTrying = FALSE;
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/* Set status according to SRB status */
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if (SRB_STATUS(Srb.SrbStatus) == SRB_STATUS_BAD_FUNCTION ||
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SRB_STATUS(Srb.SrbStatus) == SRB_STATUS_BAD_SRB_BLOCK_LENGTH)
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{
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Status = STATUS_INVALID_DEVICE_REQUEST;
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}
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else
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{
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Status = STATUS_IO_DEVICE_ERROR;
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}
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}
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}
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}
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/* Free the sense buffer */
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ExFreePoolWithTag(SenseBuffer, TAG_SENSE_DATA);
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DPRINT("PortSendInquiry() done with Status 0x%08X\n", Status);
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return Status;
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}
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static
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NTSTATUS
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PortFdoScanBus(
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_In_ PFDO_DEVICE_EXTENSION DeviceExtension)
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{
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PPDO_DEVICE_EXTENSION PdoExtension;
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ULONG Bus, Target; //, Lun;
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NTSTATUS Status;
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DPRINT("PortFdoScanBus(%p)\n", DeviceExtension);
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DPRINT("NumberOfBuses: %lu\n", DeviceExtension->Miniport.PortConfig.NumberOfBuses);
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DPRINT("MaximumNumberOfTargets: %lu\n", DeviceExtension->Miniport.PortConfig.MaximumNumberOfTargets);
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DPRINT("MaximumNumberOfLogicalUnits: %lu\n", DeviceExtension->Miniport.PortConfig.MaximumNumberOfLogicalUnits);
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/* Scan all buses */
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for (Bus = 0; Bus < DeviceExtension->Miniport.PortConfig.NumberOfBuses; Bus++)
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{
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DPRINT("Scanning bus %ld\n", Bus);
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/* Scan all targets */
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for (Target = 0; Target < DeviceExtension->Miniport.PortConfig.MaximumNumberOfTargets; Target++)
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{
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DPRINT(" Scanning target %ld:%ld\n", Bus, Target);
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DPRINT(" Scanning logical unit %ld:%ld:%ld\n", Bus, Target, 0);
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Status = PortCreatePdo(DeviceExtension, Bus, Target, 0, &PdoExtension);
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if (NT_SUCCESS(Status))
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{
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/* Scan LUN 0 */
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Status = PortSendInquiry(PdoExtension);
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DPRINT("PortSendInquiry returned 0x%08lx\n", Status);
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if (!NT_SUCCESS(Status))
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{
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PortDeletePdo(PdoExtension);
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}
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else
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{
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DPRINT("VendorId: %.8s\n", PdoExtension->InquiryBuffer->VendorId);
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DPRINT("ProductId: %.16s\n", PdoExtension->InquiryBuffer->ProductId);
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DPRINT("ProductRevisionLevel: %.4s\n", PdoExtension->InquiryBuffer->ProductRevisionLevel);
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DPRINT("VendorSpecific: %.20s\n", PdoExtension->InquiryBuffer->VendorSpecific);
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}
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}
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#if 0
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/* Scan all logical units */
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for (Lun = 1; Lun < DeviceExtension->Miniport.PortConfig.MaximumNumberOfLogicalUnits; Lun++)
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{
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DPRINT(" Scanning logical unit %ld:%ld:%ld\n", Bus, Target, Lun);
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Status = PortSendInquiry(DeviceExtension->Device, Bus, Target, Lun);
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DPRINT("PortSendInquiry returned 0x%08lx\n", Status);
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if (!NT_SUCCESS(Status))
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break;
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}
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#endif
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}
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}
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DPRINT("PortFdoScanBus() done!\n");
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return STATUS_SUCCESS;
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}
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static
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NTSTATUS
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PortFdoQueryBusRelations(
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_In_ PFDO_DEVICE_EXTENSION DeviceExtension,
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_Out_ PULONG_PTR Information)
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{
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NTSTATUS Status = STATUS_SUCCESS;;
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DPRINT1("PortFdoQueryBusRelations(%p %p)\n",
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DeviceExtension, Information);
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Status = PortFdoScanBus(DeviceExtension);
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DPRINT1("Units found: %lu\n", DeviceExtension->PdoCount);
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*Information = 0;
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return Status;
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}
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static
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NTSTATUS
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PortFdoFilterRequirements(
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PFDO_DEVICE_EXTENSION DeviceExtension,
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PIRP Irp)
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{
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PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
|
|
|
|
DPRINT1("PortFdoFilterRequirements(%p %p)\n", DeviceExtension, Irp);
|
|
|
|
/* Get the bus number and the slot number */
|
|
RequirementsList =(PIO_RESOURCE_REQUIREMENTS_LIST)Irp->IoStatus.Information;
|
|
if (RequirementsList != NULL)
|
|
{
|
|
DeviceExtension->BusNumber = RequirementsList->BusNumber;
|
|
DeviceExtension->SlotNumber = RequirementsList->SlotNumber;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
PortFdoScsi(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_In_ PIRP Irp)
|
|
{
|
|
PFDO_DEVICE_EXTENSION DeviceExtension;
|
|
// PIO_STACK_LOCATION Stack;
|
|
ULONG_PTR Information = 0;
|
|
NTSTATUS Status = STATUS_NOT_SUPPORTED;
|
|
|
|
DPRINT("PortFdoScsi(%p %p)\n", DeviceObject, Irp);
|
|
|
|
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
ASSERT(DeviceExtension);
|
|
ASSERT(DeviceExtension->ExtensionType == FdoExtension);
|
|
|
|
// Stack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
|
|
Irp->IoStatus.Information = Information;
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
PortFdoPnp(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_In_ PIRP Irp)
|
|
{
|
|
PFDO_DEVICE_EXTENSION DeviceExtension;
|
|
PIO_STACK_LOCATION Stack;
|
|
ULONG_PTR Information = 0;
|
|
NTSTATUS Status = STATUS_NOT_SUPPORTED;
|
|
|
|
DPRINT1("PortFdoPnp(%p %p)\n",
|
|
DeviceObject, Irp);
|
|
|
|
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
|
ASSERT(DeviceExtension);
|
|
ASSERT(DeviceExtension->ExtensionType == FdoExtension);
|
|
|
|
Stack = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
switch (Stack->MinorFunction)
|
|
{
|
|
case IRP_MN_START_DEVICE: /* 0x00 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
|
|
Status = PortFdoStartDevice(DeviceExtension, Irp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_REMOVE_DEVICE: /* 0x01 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_REMOVE_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE: /* 0x02 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_REMOVE_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_CANCEL_REMOVE_DEVICE: /* 0x03 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_CANCEL_REMOVE_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_STOP_DEVICE: /* 0x04 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_STOP_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_QUERY_STOP_DEVICE: /* 0x05 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_STOP_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_CANCEL_STOP_DEVICE: /* 0x06 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_CANCEL_STOP_DEVICE\n");
|
|
break;
|
|
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS: /* 0x07 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS\n");
|
|
switch (Stack->Parameters.QueryDeviceRelations.Type)
|
|
{
|
|
case BusRelations:
|
|
DPRINT1(" IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / BusRelations\n");
|
|
Status = PortFdoQueryBusRelations(DeviceExtension, &Information);
|
|
break;
|
|
|
|
case RemovalRelations:
|
|
DPRINT1(" IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / RemovalRelations\n");
|
|
return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
|
|
|
|
default:
|
|
DPRINT1(" IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n",
|
|
Stack->Parameters.QueryDeviceRelations.Type);
|
|
return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
|
|
}
|
|
break;
|
|
|
|
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS: /* 0x0d */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
|
|
PortFdoFilterRequirements(DeviceExtension, Irp);
|
|
return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
|
|
|
|
case IRP_MN_QUERY_PNP_DEVICE_STATE: /* 0x14 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_PNP_DEVICE_STATE\n");
|
|
break;
|
|
|
|
case IRP_MN_DEVICE_USAGE_NOTIFICATION: /* 0x16 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_DEVICE_USAGE_NOTIFICATION\n");
|
|
break;
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL: /* 0x17 */
|
|
DPRINT1("IRP_MJ_PNP / IRP_MN_SURPRISE_REMOVAL\n");
|
|
break;
|
|
|
|
default:
|
|
DPRINT1("IRP_MJ_PNP / Unknown IOCTL 0x%lx\n", Stack->MinorFunction);
|
|
return ForwardIrpAndForget(DeviceExtension->LowerDevice, Irp);
|
|
}
|
|
|
|
Irp->IoStatus.Information = Information;
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|
|
|
|
/* EOF */
|