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![Victor Perevertkin](/assets/img/avatar_default.png)
And forwarding IRPs from FDO to PDO This along with8aff2c9de7
reverts the commit74b889b397
901 lines
28 KiB
C
901 lines
28 KiB
C
/*
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* PROJECT: ReactOS HAL
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: hal/halx86/acpi/halpnpdd.c
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* PURPOSE: HAL Plug and Play Device Driver
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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/* INCLUDES *******************************************************************/
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#include <hal.h>
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#define NDEBUG
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#include <debug.h>
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typedef enum _EXTENSION_TYPE
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{
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PdoExtensionType = 0xC0,
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FdoExtensionType
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} EXTENSION_TYPE;
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typedef enum _PDO_TYPE
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{
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AcpiPdo = 0x80,
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WdPdo
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} PDO_TYPE;
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typedef struct _FDO_EXTENSION
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{
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EXTENSION_TYPE ExtensionType;
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struct _PDO_EXTENSION* ChildPdoList;
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PDEVICE_OBJECT PhysicalDeviceObject;
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PDEVICE_OBJECT FunctionalDeviceObject;
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PDEVICE_OBJECT AttachedDeviceObject;
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} FDO_EXTENSION, *PFDO_EXTENSION;
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typedef struct _PDO_EXTENSION
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{
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EXTENSION_TYPE ExtensionType;
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struct _PDO_EXTENSION* Next;
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PDEVICE_OBJECT PhysicalDeviceObject;
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PFDO_EXTENSION ParentFdoExtension;
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PDO_TYPE PdoType;
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PDESCRIPTION_HEADER WdTable;
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LONG InterfaceReferenceCount;
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} PDO_EXTENSION, *PPDO_EXTENSION;
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/* GLOBALS ********************************************************************/
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PDRIVER_OBJECT HalpDriverObject;
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/* PRIVATE FUNCTIONS **********************************************************/
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NTSTATUS
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NTAPI
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HalpAddDevice(IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT TargetDevice)
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{
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NTSTATUS Status;
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PFDO_EXTENSION FdoExtension;
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PPDO_EXTENSION PdoExtension;
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PDEVICE_OBJECT DeviceObject, AttachedDevice;
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PDEVICE_OBJECT PdoDeviceObject;
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PDESCRIPTION_HEADER Wdrt;
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DPRINT("HAL: PnP Driver ADD!\n");
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/* Create the FDO */
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Status = IoCreateDevice(DriverObject,
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sizeof(FDO_EXTENSION),
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NULL,
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FILE_DEVICE_BUS_EXTENDER,
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0,
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FALSE,
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&DeviceObject);
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if (!NT_SUCCESS(Status))
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{
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/* Should not happen */
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DbgBreakPoint();
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return Status;
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}
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/* Setup the FDO extension */
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FdoExtension = DeviceObject->DeviceExtension;
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FdoExtension->ExtensionType = FdoExtensionType;
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FdoExtension->PhysicalDeviceObject = TargetDevice;
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FdoExtension->FunctionalDeviceObject = DeviceObject;
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FdoExtension->ChildPdoList = NULL;
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/* FDO is done initializing */
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DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
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/* Attach to the physical device object (the bus) */
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AttachedDevice = IoAttachDeviceToDeviceStack(DeviceObject, TargetDevice);
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if (!AttachedDevice)
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{
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/* Failed, undo everything */
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IoDeleteDevice(DeviceObject);
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return STATUS_NO_SUCH_DEVICE;
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}
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/* Save the attachment */
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FdoExtension->AttachedDeviceObject = AttachedDevice;
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/* Create the PDO */
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Status = IoCreateDevice(DriverObject,
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sizeof(PDO_EXTENSION),
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NULL,
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FILE_DEVICE_BUS_EXTENDER,
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FILE_AUTOGENERATED_DEVICE_NAME,
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FALSE,
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&PdoDeviceObject);
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if (!NT_SUCCESS(Status))
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{
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/* Fail */
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DPRINT1("HAL: Could not create ACPI device object status=0x%08x\n", Status);
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return Status;
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}
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/* Setup the PDO device extension */
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PdoExtension = PdoDeviceObject->DeviceExtension;
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PdoExtension->ExtensionType = PdoExtensionType;
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PdoExtension->PhysicalDeviceObject = PdoDeviceObject;
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PdoExtension->ParentFdoExtension = FdoExtension;
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PdoExtension->PdoType = AcpiPdo;
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/* Add the PDO to the head of the list */
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PdoExtension->Next = FdoExtension->ChildPdoList;
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FdoExtension->ChildPdoList = PdoExtension;
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/* Initialization is finished */
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PdoDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
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/* Find the ACPI watchdog table */
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Wdrt = HalAcpiGetTable(0, 'TRDW');
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if (Wdrt)
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{
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/* FIXME: TODO */
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DPRINT1("You have an ACPI Watchdog. That's great! You should be proud ;-)\n");
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}
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/* Return status */
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DPRINT("Device added %lx\n", Status);
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return Status;
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}
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NTSTATUS
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NTAPI
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HalpQueryInterface(IN PDEVICE_OBJECT DeviceObject,
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IN CONST GUID* InterfaceType,
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IN USHORT Version,
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IN PVOID InterfaceSpecificData,
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IN ULONG InterfaceBufferSize,
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IN PINTERFACE Interface,
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OUT PULONG Length)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_SUPPORTED;
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}
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NTSTATUS
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NTAPI
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HalpQueryDeviceRelations(IN PDEVICE_OBJECT DeviceObject,
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IN DEVICE_RELATION_TYPE RelationType,
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OUT PDEVICE_RELATIONS* DeviceRelations)
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{
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EXTENSION_TYPE ExtensionType;
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PPDO_EXTENSION PdoExtension;
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PFDO_EXTENSION FdoExtension;
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PDEVICE_RELATIONS PdoRelations, FdoRelations;
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PDEVICE_OBJECT* ObjectEntry;
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ULONG i = 0, PdoCount = 0;
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/* Get FDO device extension and PDO count */
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FdoExtension = DeviceObject->DeviceExtension;
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ExtensionType = FdoExtension->ExtensionType;
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/* What do they want? */
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if (RelationType == BusRelations)
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{
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/* This better be an FDO */
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if (ExtensionType == FdoExtensionType)
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{
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/* Count how many PDOs we have */
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PdoExtension = FdoExtension->ChildPdoList;
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while (PdoExtension)
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{
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/* Next one */
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PdoExtension = PdoExtension->Next;
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PdoCount++;
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}
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/* Add the PDOs that already exist in the device relations */
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if (*DeviceRelations)
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{
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PdoCount += (*DeviceRelations)->Count;
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}
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/* Allocate our structure */
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FdoRelations = ExAllocatePoolWithTag(PagedPool,
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FIELD_OFFSET(DEVICE_RELATIONS,
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Objects) +
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sizeof(PDEVICE_OBJECT) * PdoCount,
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TAG_HAL);
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if (!FdoRelations) return STATUS_INSUFFICIENT_RESOURCES;
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/* Save our count */
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FdoRelations->Count = PdoCount;
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/* Query existing relations */
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ObjectEntry = FdoRelations->Objects;
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if (*DeviceRelations)
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{
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/* Check if there were any */
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if ((*DeviceRelations)->Count)
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{
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/* Loop them all */
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do
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{
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/* Copy into our structure */
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*ObjectEntry++ = (*DeviceRelations)->Objects[i];
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}
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while (++i < (*DeviceRelations)->Count);
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}
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/* Free existing structure */
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ExFreePool(*DeviceRelations);
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}
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/* Now check if we have a PDO list */
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PdoExtension = FdoExtension->ChildPdoList;
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if (PdoExtension)
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{
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/* Loop the PDOs */
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do
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{
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/* Save our own PDO and reference it */
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*ObjectEntry++ = PdoExtension->PhysicalDeviceObject;
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ObReferenceObject(PdoExtension->PhysicalDeviceObject);
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/* Go to our next PDO */
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PdoExtension = PdoExtension->Next;
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}
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while (PdoExtension);
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}
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/* Return the new structure */
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*DeviceRelations = FdoRelations;
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return STATUS_SUCCESS;
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}
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}
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else
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{
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/* The only other thing we support is a target relation for the PDO */
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if ((RelationType == TargetDeviceRelation) &&
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(ExtensionType == PdoExtensionType))
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{
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/* Only one entry */
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PdoRelations = ExAllocatePoolWithTag(PagedPool,
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sizeof(DEVICE_RELATIONS),
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TAG_HAL);
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if (!PdoRelations) return STATUS_INSUFFICIENT_RESOURCES;
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/* Fill it out and reference us */
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PdoRelations->Count = 1;
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PdoRelations->Objects[0] = DeviceObject;
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ObReferenceObject(DeviceObject);
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/* Return it */
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*DeviceRelations = PdoRelations;
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return STATUS_SUCCESS;
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}
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}
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/* We don't support anything else */
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return STATUS_NOT_SUPPORTED;
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}
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NTSTATUS
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NTAPI
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HalpQueryCapabilities(IN PDEVICE_OBJECT DeviceObject,
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OUT PDEVICE_CAPABILITIES Capabilities)
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{
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//PPDO_EXTENSION PdoExtension;
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NTSTATUS Status;
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PAGED_CODE();
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/* Get the extension and check for valid version */
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//PdoExtension = DeviceObject->DeviceExtension;
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ASSERT(Capabilities->Version == 1);
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if (Capabilities->Version == 1)
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{
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/* Can't lock or eject us */
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Capabilities->LockSupported = FALSE;
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Capabilities->EjectSupported = FALSE;
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/* Can't remove or dock us */
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Capabilities->Removable = FALSE;
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Capabilities->DockDevice = FALSE;
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/* Can't access us raw */
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Capabilities->RawDeviceOK = FALSE;
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/* We have a unique ID, and don't bother the user */
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Capabilities->UniqueID = TRUE;
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Capabilities->SilentInstall = TRUE;
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/* Fill out the adress */
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Capabilities->Address = InterfaceTypeUndefined;
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Capabilities->UINumber = InterfaceTypeUndefined;
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/* Fill out latencies */
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Capabilities->D1Latency = 0;
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Capabilities->D2Latency = 0;
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Capabilities->D3Latency = 0;
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/* Fill out supported device states */
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Capabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
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Capabilities->DeviceState[PowerSystemHibernate] = PowerDeviceD3;
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Capabilities->DeviceState[PowerSystemShutdown] = PowerDeviceD3;
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Capabilities->DeviceState[PowerSystemSleeping3] = PowerDeviceD3;
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/* Done */
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Status = STATUS_SUCCESS;
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}
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else
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{
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/* Fail */
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Status = STATUS_NOT_SUPPORTED;
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}
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/* Return status */
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return Status;
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}
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NTSTATUS
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NTAPI
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HalpQueryResources(IN PDEVICE_OBJECT DeviceObject,
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OUT PCM_RESOURCE_LIST *Resources)
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{
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PPDO_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
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NTSTATUS Status;
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PCM_RESOURCE_LIST ResourceList;
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PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
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PIO_RESOURCE_DESCRIPTOR Descriptor;
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDesc;
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ULONG i;
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PAGED_CODE();
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/* Only the ACPI PDO has requirements */
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if (DeviceExtension->PdoType == AcpiPdo)
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{
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/* Query ACPI requirements */
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Status = HalpQueryAcpiResourceRequirements(&RequirementsList);
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if (!NT_SUCCESS(Status)) return Status;
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ASSERT(RequirementsList->AlternativeLists == 1);
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/* Allocate the resourcel ist */
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ResourceList = ExAllocatePoolWithTag(PagedPool,
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sizeof(CM_RESOURCE_LIST),
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TAG_HAL);
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if (!ResourceList )
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{
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/* Fail, no memory */
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Status = STATUS_INSUFFICIENT_RESOURCES;
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ExFreePoolWithTag(RequirementsList, TAG_HAL);
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return Status;
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}
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/* Initialize it */
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RtlZeroMemory(ResourceList, sizeof(CM_RESOURCE_LIST));
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ResourceList->Count = 1;
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/* Setup the list fields */
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ResourceList->List[0].BusNumber = -1;
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ResourceList->List[0].InterfaceType = PNPBus;
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ResourceList->List[0].PartialResourceList.Version = 1;
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ResourceList->List[0].PartialResourceList.Revision = 1;
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ResourceList->List[0].PartialResourceList.Count = 0;
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/* Setup the first descriptor */
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PartialDesc = ResourceList->List[0].PartialResourceList.PartialDescriptors;
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/* Find the requirement descriptor for the SCI */
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for (i = 0; i < RequirementsList->List[0].Count; i++)
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{
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/* Get this descriptor */
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Descriptor = &RequirementsList->List[0].Descriptors[i];
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if (Descriptor->Type == CmResourceTypeInterrupt)
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{
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/* Copy requirements descriptor into resource descriptor */
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PartialDesc->Type = CmResourceTypeInterrupt;
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PartialDesc->ShareDisposition = Descriptor->ShareDisposition;
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PartialDesc->Flags = Descriptor->Flags;
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ASSERT(Descriptor->u.Interrupt.MinimumVector ==
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Descriptor->u.Interrupt.MaximumVector);
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PartialDesc->u.Interrupt.Vector = Descriptor->u.Interrupt.MinimumVector;
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PartialDesc->u.Interrupt.Level = Descriptor->u.Interrupt.MinimumVector;
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PartialDesc->u.Interrupt.Affinity = 0xFFFFFFFF;
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ResourceList->List[0].PartialResourceList.Count++;
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break;
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}
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}
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/* Return resources and success */
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*Resources = ResourceList;
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ExFreePoolWithTag(RequirementsList, TAG_HAL);
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return STATUS_SUCCESS;
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}
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else if (DeviceExtension->PdoType == WdPdo)
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{
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/* Watchdog doesn't */
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return STATUS_NOT_SUPPORTED;
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}
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else
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{
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/* This shouldn't happen */
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return STATUS_UNSUCCESSFUL;
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}
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}
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NTSTATUS
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NTAPI
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HalpQueryResourceRequirements(IN PDEVICE_OBJECT DeviceObject,
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OUT PIO_RESOURCE_REQUIREMENTS_LIST *Requirements)
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{
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PPDO_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
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PAGED_CODE();
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/* Only the ACPI PDO has requirements */
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if (DeviceExtension->PdoType == AcpiPdo)
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{
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/* Query ACPI requirements */
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return HalpQueryAcpiResourceRequirements(Requirements);
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}
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else if (DeviceExtension->PdoType == WdPdo)
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{
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/* Watchdog doesn't */
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return STATUS_NOT_SUPPORTED;
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}
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else
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{
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/* This shouldn't happen */
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return STATUS_UNSUCCESSFUL;
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}
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}
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NTSTATUS
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NTAPI
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HalpQueryIdPdo(IN PDEVICE_OBJECT DeviceObject,
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IN BUS_QUERY_ID_TYPE IdType,
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OUT PUSHORT *BusQueryId)
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{
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PPDO_EXTENSION PdoExtension;
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PDO_TYPE PdoType;
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PWCHAR CurrentId;
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WCHAR Id[100];
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NTSTATUS Status;
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SIZE_T Length = 0;
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PWCHAR Buffer;
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/* Get the PDO type */
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PdoExtension = DeviceObject->DeviceExtension;
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PdoType = PdoExtension->PdoType;
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/* What kind of ID is being requested? */
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DPRINT("ID: %d\n", IdType);
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switch (IdType)
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{
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case BusQueryDeviceID:
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case BusQueryHardwareIDs:
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/* What kind of PDO is this? */
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if (PdoType == AcpiPdo)
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{
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/* ACPI ID */
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CurrentId = L"ACPI_HAL\\PNP0C08";
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RtlCopyMemory(Id, CurrentId, (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL));
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Length += (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
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CurrentId = L"*PNP0C08";
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RtlCopyMemory(&Id[wcslen(Id) + 1], CurrentId, (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL));
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Length += (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
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}
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else if (PdoType == WdPdo)
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{
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/* WatchDog ID */
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CurrentId = L"ACPI_HAL\\PNP0C18";
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RtlCopyMemory(Id, CurrentId, (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL));
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Length += (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
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CurrentId = L"*PNP0C18";
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RtlCopyMemory(&Id[wcslen(Id) + 1], CurrentId, (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL));
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Length += (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
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}
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else
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{
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/* Unknown */
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return STATUS_NOT_SUPPORTED;
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}
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break;
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case BusQueryInstanceID:
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/* Instance ID */
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CurrentId = L"0";
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RtlCopyMemory(Id, CurrentId, (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL));
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Length += (wcslen(CurrentId) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
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break;
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case BusQueryCompatibleIDs:
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default:
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/* We don't support anything else */
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return STATUS_NOT_SUPPORTED;
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}
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/* Allocate the buffer */
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Buffer = ExAllocatePoolWithTag(PagedPool,
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Length + sizeof(UNICODE_NULL),
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TAG_HAL);
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if (Buffer)
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{
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/* Copy the string and null-terminate it */
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RtlCopyMemory(Buffer, Id, Length);
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Buffer[Length / sizeof(WCHAR)] = UNICODE_NULL;
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/* Return string */
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*BusQueryId = Buffer;
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Status = STATUS_SUCCESS;
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DPRINT("Returning: %S\n", *BusQueryId);
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}
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else
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{
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/* Fail */
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Status = STATUS_INSUFFICIENT_RESOURCES;
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}
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/* Return status */
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return Status;
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}
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NTSTATUS
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NTAPI
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HalpQueryIdFdo(IN PDEVICE_OBJECT DeviceObject,
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IN BUS_QUERY_ID_TYPE IdType,
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OUT PUSHORT *BusQueryId)
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{
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NTSTATUS Status;
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SIZE_T Length;
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|
PWCHAR Id;
|
|
PWCHAR Buffer;
|
|
|
|
/* What kind of ID is being requested? */
|
|
DPRINT("ID: %d\n", IdType);
|
|
switch (IdType)
|
|
{
|
|
case BusQueryDeviceID:
|
|
case BusQueryHardwareIDs:
|
|
|
|
/* This is our hardware ID */
|
|
Id = HalHardwareIdString;
|
|
break;
|
|
|
|
case BusQueryInstanceID:
|
|
|
|
/* And our instance ID */
|
|
Id = L"0";
|
|
break;
|
|
|
|
default:
|
|
|
|
/* We don't support anything else */
|
|
return STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
/* Calculate the length */
|
|
Length = (wcslen(Id) * sizeof(WCHAR)) + sizeof(UNICODE_NULL);
|
|
|
|
/* Allocate the buffer */
|
|
Buffer = ExAllocatePoolWithTag(PagedPool,
|
|
Length + sizeof(UNICODE_NULL),
|
|
TAG_HAL);
|
|
if (Buffer)
|
|
{
|
|
/* Copy the string and null-terminate it */
|
|
RtlCopyMemory(Buffer, Id, Length);
|
|
Buffer[Length / sizeof(WCHAR)] = UNICODE_NULL;
|
|
|
|
/* Return string */
|
|
*BusQueryId = Buffer;
|
|
Status = STATUS_SUCCESS;
|
|
DPRINT("Returning: %S\n", *BusQueryId);
|
|
}
|
|
else
|
|
{
|
|
/* Fail */
|
|
Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
HalpDispatchPnp(IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp)
|
|
{
|
|
PIO_STACK_LOCATION IoStackLocation;
|
|
//PPDO_EXTENSION PdoExtension;
|
|
PFDO_EXTENSION FdoExtension;
|
|
NTSTATUS Status;
|
|
UCHAR Minor;
|
|
|
|
/* Get the device extension and stack location */
|
|
FdoExtension = DeviceObject->DeviceExtension;
|
|
IoStackLocation = IoGetCurrentIrpStackLocation(Irp);
|
|
Minor = IoStackLocation->MinorFunction;
|
|
|
|
/* FDO? */
|
|
if (FdoExtension->ExtensionType == FdoExtensionType)
|
|
{
|
|
/* Query the IRP type */
|
|
switch (Minor)
|
|
{
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying device relations for FDO\n");
|
|
Status = HalpQueryDeviceRelations(DeviceObject,
|
|
IoStackLocation->Parameters.QueryDeviceRelations.Type,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_INTERFACE:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying interface for FDO\n");
|
|
Status = HalpQueryInterface(DeviceObject,
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceType,
|
|
IoStackLocation->Parameters.QueryInterface.Size,
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceSpecificData,
|
|
IoStackLocation->Parameters.QueryInterface.Version,
|
|
IoStackLocation->Parameters.QueryInterface.Interface,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
|
|
case IRP_MN_QUERY_ID:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying ID for FDO\n");
|
|
Status = HalpQueryIdFdo(DeviceObject,
|
|
IoStackLocation->Parameters.QueryId.IdType,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying the capabilities for the FDO\n");
|
|
Status = HalpQueryCapabilities(DeviceObject,
|
|
IoStackLocation->Parameters.DeviceCapabilities.Capabilities);
|
|
break;
|
|
|
|
default:
|
|
|
|
DPRINT("Other IRP: %lx\n", Minor);
|
|
Status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
|
|
/* What happpened? */
|
|
if ((NT_SUCCESS(Status)) || (Status == STATUS_NOT_SUPPORTED))
|
|
{
|
|
/* Set the IRP status, unless this isn't understood */
|
|
if (Status != STATUS_NOT_SUPPORTED)
|
|
{
|
|
Irp->IoStatus.Status = Status;
|
|
}
|
|
|
|
/* Pass it on */
|
|
IoSkipCurrentIrpStackLocation(Irp);
|
|
return IoCallDriver(FdoExtension->AttachedDeviceObject, Irp);
|
|
}
|
|
|
|
/* Otherwise, we failed, so set the status and complete the request */
|
|
DPRINT1("IRP failed with status: %lx\n", Status);
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
return Status;
|
|
}
|
|
else
|
|
{
|
|
/* This is a PDO instead */
|
|
ASSERT(FdoExtension->ExtensionType == PdoExtensionType);
|
|
//PdoExtension = (PPDO_EXTENSION)FdoExtension;
|
|
/* Query the IRP type */
|
|
Status = STATUS_SUCCESS;
|
|
switch (Minor)
|
|
{
|
|
case IRP_MN_START_DEVICE:
|
|
|
|
/* We only care about a PCI PDO */
|
|
DPRINT1("Start device received\n");
|
|
/* Complete the IRP normally */
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
|
|
/* Check if this is a PCI device */
|
|
DPRINT1("Remove device received\n");
|
|
|
|
/* We're done */
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL:
|
|
|
|
/* Inherit whatever status we had */
|
|
DPRINT1("Surprise removal IRP\n");
|
|
Status = Irp->IoStatus.Status;
|
|
break;
|
|
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
|
|
/* Query the device relations */
|
|
DPRINT("Querying PDO relations\n");
|
|
Status = HalpQueryDeviceRelations(DeviceObject,
|
|
IoStackLocation->Parameters.QueryDeviceRelations.Type,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_INTERFACE:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying interface for PDO\n");
|
|
Status = HalpQueryInterface(DeviceObject,
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceType,
|
|
IoStackLocation->Parameters.QueryInterface.Size,
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceSpecificData,
|
|
IoStackLocation->Parameters.QueryInterface.Version,
|
|
IoStackLocation->Parameters.QueryInterface.Interface,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying the capabilities for the PDO\n");
|
|
Status = HalpQueryCapabilities(DeviceObject,
|
|
IoStackLocation->Parameters.DeviceCapabilities.Capabilities);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_RESOURCES:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying the resources for the PDO\n");
|
|
Status = HalpQueryResources(DeviceObject, (PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Querying the resource requirements for the PDO\n");
|
|
Status = HalpQueryResourceRequirements(DeviceObject,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_ID:
|
|
|
|
/* Call the worker */
|
|
DPRINT("Query the ID for the PDO\n");
|
|
Status = HalpQueryIdPdo(DeviceObject,
|
|
IoStackLocation->Parameters.QueryId.IdType,
|
|
(PVOID)&Irp->IoStatus.Information);
|
|
break;
|
|
|
|
default:
|
|
|
|
/* We don't handle anything else, so inherit the old state */
|
|
DPRINT("Illegal IRP: %lx\n", Minor);
|
|
Status = Irp->IoStatus.Status;
|
|
break;
|
|
}
|
|
|
|
/* If it's not supported, inherit the old status */
|
|
if (Status == STATUS_NOT_SUPPORTED) Status = Irp->IoStatus.Status;
|
|
|
|
/* Complete the IRP */
|
|
DPRINT("IRP completed with status: %lx\n", Status);
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
HalpDispatchWmi(IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp)
|
|
{
|
|
UNIMPLEMENTED_DBGBREAK("HAL: PnP Driver WMI!\n");
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
HalpDispatchPower(IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp)
|
|
{
|
|
PFDO_EXTENSION FdoExtension;
|
|
|
|
DPRINT("HAL: PnP Driver Power!\n");
|
|
FdoExtension = DeviceObject->DeviceExtension;
|
|
if (FdoExtension->ExtensionType == FdoExtensionType)
|
|
{
|
|
PoStartNextPowerIrp(Irp);
|
|
IoSkipCurrentIrpStackLocation(Irp);
|
|
return PoCallDriver(FdoExtension->AttachedDeviceObject, Irp);
|
|
}
|
|
else
|
|
{
|
|
PoStartNextPowerIrp(Irp);
|
|
Irp->IoStatus.Status = STATUS_SUCCESS;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
HalpDriverEntry(IN PDRIVER_OBJECT DriverObject,
|
|
IN PUNICODE_STRING RegistryPath)
|
|
{
|
|
NTSTATUS Status;
|
|
PDEVICE_OBJECT TargetDevice = NULL;
|
|
|
|
DPRINT("HAL: PnP Driver ENTRY!\n");
|
|
|
|
/* This is us */
|
|
HalpDriverObject = DriverObject;
|
|
|
|
/* Set up add device */
|
|
DriverObject->DriverExtension->AddDevice = HalpAddDevice;
|
|
|
|
/* Set up the callouts */
|
|
DriverObject->MajorFunction[IRP_MJ_PNP] = HalpDispatchPnp;
|
|
DriverObject->MajorFunction[IRP_MJ_POWER] = HalpDispatchPower;
|
|
DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = HalpDispatchWmi;
|
|
|
|
/* Create the PDO and tell the PnP manager about us*/
|
|
Status = IoReportDetectedDevice(DriverObject,
|
|
InterfaceTypeUndefined,
|
|
-1,
|
|
-1,
|
|
NULL,
|
|
NULL,
|
|
FALSE,
|
|
&TargetDevice);
|
|
if (!NT_SUCCESS(Status))
|
|
return Status;
|
|
|
|
TargetDevice->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
|
|
/* Set up the device stack */
|
|
Status = HalpAddDevice(DriverObject, TargetDevice);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
IoDeleteDevice(TargetDevice);
|
|
return Status;
|
|
}
|
|
|
|
/* Return to kernel */
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
HaliInitPnpDriver(VOID)
|
|
{
|
|
NTSTATUS Status;
|
|
UNICODE_STRING DriverString;
|
|
PAGED_CODE();
|
|
|
|
/* Create the driver */
|
|
RtlInitUnicodeString(&DriverString, L"\\Driver\\ACPI_HAL");
|
|
Status = IoCreateDriver(&DriverString, HalpDriverEntry);
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
/* EOF */
|