1752 lines
41 KiB
C
1752 lines
41 KiB
C
/*++
|
||
|
||
Copyright (c) 1997 Microsoft Corporation
|
||
|
||
Module Name:
|
||
|
||
ixpnpdrv.c
|
||
|
||
Abstract:
|
||
|
||
Implements functionality necessary for the
|
||
HAL to become a PnP-style device driver
|
||
after system initialization. This is done
|
||
so that the HAL can enumerate the ACPI driver
|
||
in the way that the PnP stuff expects.
|
||
|
||
Author:
|
||
|
||
Jake Oshins (jakeo) 27-Jan-1997
|
||
|
||
Environment:
|
||
|
||
Kernel mode only.
|
||
|
||
Revision History:
|
||
|
||
--*/
|
||
|
||
#include "halp.h"
|
||
#include "acpitabl.h"
|
||
#include "exboosts.h"
|
||
#include "wchar.h"
|
||
#include "xxacpi.h"
|
||
|
||
//
|
||
// Cause the GUID to be defined.
|
||
//
|
||
|
||
#ifdef ALLOC_DATA_PRAGMA
|
||
#pragma const_seg("PAGECONST")
|
||
#endif // ALLOC_DATA_PRAGMA
|
||
#include "initguid.h"
|
||
#include "wdmguid.h"
|
||
#include "halpnpp.h"
|
||
#ifdef ALLOC_DATA_PRAGMA
|
||
#pragma const_seg()
|
||
#endif // ALLOC_DATA_PRAGMA
|
||
|
||
#if DBG
|
||
ULONG HalDebug = 0;
|
||
#endif
|
||
|
||
extern WCHAR HalHardwareIdString[];
|
||
#if defined(NT_UP) && defined(APIC_HAL)
|
||
extern WCHAR MpHalHardwareIdString[];
|
||
#endif
|
||
|
||
typedef enum {
|
||
Hal = 0x80,
|
||
AcpiDriver
|
||
} PDO_TYPE;
|
||
|
||
typedef enum {
|
||
PdoExtensionType = 0xc0,
|
||
FdoExtensionType
|
||
} EXTENSION_TYPE;
|
||
|
||
typedef struct _PDO_EXTENSION *PPDO_EXTENSION;
|
||
typedef struct _FDO_EXTENSION *PFDO_EXTENSION;
|
||
|
||
typedef struct _PDO_EXTENSION{
|
||
EXTENSION_TYPE ExtensionType;
|
||
PPDO_EXTENSION Next;
|
||
PDEVICE_OBJECT PhysicalDeviceObject;
|
||
PFDO_EXTENSION ParentFdoExtension;
|
||
PDO_TYPE PdoType;
|
||
} PDO_EXTENSION, *PPDO_EXTENSION;
|
||
|
||
#define ASSERT_PDO_EXTENSION(x) ASSERT((x)->ExtensionType == PdoExtensionType );
|
||
|
||
typedef struct _FDO_EXTENSION{
|
||
EXTENSION_TYPE ExtensionType;
|
||
PPDO_EXTENSION ChildPdoList;
|
||
PDEVICE_OBJECT PhysicalDeviceObject; // PDO passed into AddDevice()
|
||
PDEVICE_OBJECT FunctionalDeviceObject;
|
||
PDEVICE_OBJECT AttachedDeviceObject;
|
||
} FDO_EXTENSION, *PFDO_EXTENSION;
|
||
|
||
#define ASSERT_FDO_EXTENSION(x) ASSERT((x)->ExtensionType == FdoExtensionType );
|
||
|
||
INT_ROUTE_INTERFACE_STANDARD PciIrqRoutingInterface = {0};
|
||
|
||
NTSTATUS
|
||
HalpDriverEntry (
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PUNICODE_STRING RegistryPath
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpAddDevice(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT PhysicalDeviceObject
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpDispatchPnp(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpDispatchPower(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpDispatchWmi(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryDeviceRelations(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN DEVICE_RELATION_TYPE RelationType,
|
||
OUT PDEVICE_RELATIONS *DeviceRelations
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryIdPdo(
|
||
IN PDEVICE_OBJECT PdoExtension,
|
||
IN BUS_QUERY_ID_TYPE IdType,
|
||
IN OUT PWSTR *BusQueryId
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryIdFdo(
|
||
IN PDEVICE_OBJECT PdoExtension,
|
||
IN BUS_QUERY_ID_TYPE IdType,
|
||
IN OUT PWSTR *BusQueryId
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryCapabilities(
|
||
IN PDEVICE_OBJECT PdoExtension,
|
||
IN PDEVICE_CAPABILITIES Capabilities
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryResources(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PCM_RESOURCE_LIST *Resources
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryResourceRequirements(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PIO_RESOURCE_REQUIREMENTS_LIST *Requirements
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpQueryInterface(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN LPCGUID InterfaceType,
|
||
IN USHORT Version,
|
||
IN PVOID InterfaceSpecificData,
|
||
IN ULONG InterfaceBufferSize,
|
||
IN OUT PINTERFACE Interface,
|
||
IN OUT PULONG Length
|
||
);
|
||
|
||
NTSTATUS
|
||
HalIrqTranslateResourcesRoot(
|
||
IN PVOID Context,
|
||
IN PCM_PARTIAL_RESOURCE_DESCRIPTOR Source,
|
||
IN RESOURCE_TRANSLATION_DIRECTION Direction,
|
||
IN ULONG AlternativesCount, OPTIONAL
|
||
IN IO_RESOURCE_DESCRIPTOR Alternatives[], OPTIONAL
|
||
IN PDEVICE_OBJECT PhysicalDeviceObject,
|
||
OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR Target
|
||
);
|
||
|
||
NTSTATUS
|
||
HalIrqTranslateResourceRequirementsRoot(
|
||
IN PVOID Context,
|
||
IN PIO_RESOURCE_DESCRIPTOR Source,
|
||
IN PDEVICE_OBJECT PhysicalDeviceObject,
|
||
OUT PULONG TargetCount,
|
||
OUT PIO_RESOURCE_DESCRIPTOR *Target
|
||
);
|
||
|
||
VOID
|
||
HalpMaskAcpiInterrupt(
|
||
VOID
|
||
);
|
||
|
||
VOID
|
||
HalpUnmaskAcpiInterrupt(
|
||
VOID
|
||
);
|
||
|
||
// from xxacpi.c
|
||
NTSTATUS
|
||
HalpQueryAcpiResourceRequirements(
|
||
IN PIO_RESOURCE_REQUIREMENTS_LIST *Requirements
|
||
);
|
||
|
||
VOID
|
||
HalpMarkAcpiHal(
|
||
VOID
|
||
);
|
||
|
||
NTSTATUS
|
||
HalpOpenRegistryKey(
|
||
OUT PHANDLE Handle,
|
||
IN HANDLE BaseHandle OPTIONAL,
|
||
IN PUNICODE_STRING KeyName,
|
||
IN ACCESS_MASK DesiredAccess,
|
||
IN BOOLEAN Create
|
||
);
|
||
|
||
#ifdef ACPI_CMOS_ACTIVATE
|
||
VOID
|
||
HalpCmosNullReference(
|
||
PVOID Context
|
||
);
|
||
|
||
VOID
|
||
HalpCmosNullDereference(
|
||
PVOID Context
|
||
);
|
||
#endif // ACPI_CMOS_ACTIVATE
|
||
|
||
#define HAL_DRIVER_NAME L"\\Driver\\ACPI_HAL"
|
||
|
||
#ifdef ALLOC_PRAGMA
|
||
#pragma alloc_text(PAGE, HaliInitPnpDriver)
|
||
#pragma alloc_text(PAGE, HalpMarkAcpiHal)
|
||
#pragma alloc_text(PAGE, HalpOpenRegistryKey)
|
||
#pragma alloc_text(PAGE, HalpDriverEntry)
|
||
#pragma alloc_text(PAGE, HalpAddDevice)
|
||
#pragma alloc_text(PAGE, HalpDispatchPnp)
|
||
#pragma alloc_text(PAGELK, HalpDispatchPower)
|
||
#pragma alloc_text(PAGE, HalpDispatchWmi)
|
||
#pragma alloc_text(PAGE, HalpQueryDeviceRelations)
|
||
#pragma alloc_text(PAGE, HalpQueryIdPdo)
|
||
#pragma alloc_text(PAGE, HalpQueryIdFdo)
|
||
#pragma alloc_text(PAGE, HalpQueryCapabilities)
|
||
#pragma alloc_text(PAGE, HalpQueryResources)
|
||
#pragma alloc_text(PAGE, HalpQueryResourceRequirements)
|
||
#pragma alloc_text(PAGE, HalpQueryInterface)
|
||
#endif
|
||
|
||
PDRIVER_OBJECT HalpDriverObject;
|
||
|
||
|
||
NTSTATUS
|
||
HaliInitPnpDriver(
|
||
VOID
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine starts the process of making the HAL into
|
||
a "driver," which is necessary because we need to
|
||
enumerate a Plug and Play PDO for the ACPI driver.
|
||
|
||
Arguments:
|
||
|
||
None.
|
||
|
||
Return Value:
|
||
|
||
NTSTATUS.
|
||
|
||
--*/
|
||
{
|
||
|
||
UNICODE_STRING DriverName;
|
||
NTSTATUS Status;
|
||
|
||
PAGED_CODE();
|
||
|
||
RtlInitUnicodeString( &DriverName, HAL_DRIVER_NAME );
|
||
|
||
Status = IoCreateDriver( &DriverName, HalpDriverEntry );
|
||
|
||
HalpMarkAcpiHal();
|
||
|
||
ASSERT( NT_SUCCESS( Status ));
|
||
|
||
return Status;
|
||
|
||
}
|
||
|
||
VOID
|
||
HalpMarkAcpiHal(
|
||
VOID
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
|
||
Arguments:
|
||
|
||
None.
|
||
|
||
Return Value:
|
||
|
||
None.
|
||
|
||
--*/
|
||
{
|
||
ULONG tmpValue;
|
||
UNICODE_STRING unicodeString;
|
||
HANDLE hCurrentControlSet, handle;
|
||
NTSTATUS status;
|
||
|
||
PAGED_CODE();
|
||
|
||
//
|
||
// Open/create System\CurrentControlSet key.
|
||
//
|
||
|
||
RtlInitUnicodeString(&unicodeString, L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET");
|
||
status = HalpOpenRegistryKey (
|
||
&hCurrentControlSet,
|
||
NULL,
|
||
&unicodeString,
|
||
KEY_ALL_ACCESS,
|
||
FALSE
|
||
);
|
||
if (!NT_SUCCESS(status)) {
|
||
return;
|
||
}
|
||
|
||
//
|
||
// Open HKLM\System\CurrentControlSet\Control\Pnp
|
||
//
|
||
|
||
RtlInitUnicodeString(&unicodeString, L"Control\\Pnp");
|
||
status = HalpOpenRegistryKey (
|
||
&handle,
|
||
hCurrentControlSet,
|
||
&unicodeString,
|
||
KEY_ALL_ACCESS,
|
||
TRUE
|
||
);
|
||
ZwClose(hCurrentControlSet);
|
||
if (!NT_SUCCESS(status)) {
|
||
return;
|
||
}
|
||
|
||
RtlInitUnicodeString(&unicodeString, L"DisableFirmwareMapper");
|
||
tmpValue = 1;
|
||
ZwSetValueKey(handle,
|
||
&unicodeString,
|
||
0,
|
||
REG_DWORD,
|
||
&tmpValue,
|
||
sizeof(tmpValue)
|
||
);
|
||
ZwClose(handle);
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpOpenRegistryKey(
|
||
OUT PHANDLE Handle,
|
||
IN HANDLE BaseHandle OPTIONAL,
|
||
IN PUNICODE_STRING KeyName,
|
||
IN ACCESS_MASK DesiredAccess,
|
||
IN BOOLEAN Create
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
Opens or creates a VOLATILE registry key using the name passed in based
|
||
at the BaseHandle node.
|
||
|
||
Arguments:
|
||
|
||
Handle - Pointer to the handle which will contain the registry key that
|
||
was opened.
|
||
|
||
BaseHandle - Handle to the base path from which the key must be opened.
|
||
|
||
KeyName - Name of the Key that must be opened/created.
|
||
|
||
DesiredAccess - Specifies the desired access that the caller needs to
|
||
the key.
|
||
|
||
Create - Determines if the key is to be created if it does not exist.
|
||
|
||
Return Value:
|
||
|
||
The function value is the final status of the operation.
|
||
|
||
--*/
|
||
|
||
{
|
||
OBJECT_ATTRIBUTES objectAttributes;
|
||
ULONG disposition;
|
||
|
||
PAGED_CODE();
|
||
|
||
//
|
||
// Initialize the object for the key.
|
||
//
|
||
|
||
InitializeObjectAttributes( &objectAttributes,
|
||
KeyName,
|
||
OBJ_CASE_INSENSITIVE,
|
||
BaseHandle,
|
||
(PSECURITY_DESCRIPTOR) NULL );
|
||
|
||
//
|
||
// Create the key or open it, as appropriate based on the caller's
|
||
// wishes.
|
||
//
|
||
|
||
if (Create) {
|
||
return ZwCreateKey( Handle,
|
||
DesiredAccess,
|
||
&objectAttributes,
|
||
0,
|
||
(PUNICODE_STRING) NULL,
|
||
REG_OPTION_VOLATILE,
|
||
&disposition );
|
||
} else {
|
||
return ZwOpenKey( Handle,
|
||
DesiredAccess,
|
||
&objectAttributes );
|
||
}
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpDriverEntry (
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PUNICODE_STRING RegistryPath
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This is the callback function when we call IoCreateDriver to create a
|
||
PnP Driver Object. In this function, we need to remember the DriverObject.
|
||
|
||
Arguments:
|
||
|
||
DriverObject - Pointer to the driver object created by the system.
|
||
|
||
RegistryPath - is NULL.
|
||
|
||
Return Value:
|
||
|
||
STATUS_SUCCESS
|
||
|
||
--*/
|
||
{
|
||
NTSTATUS status;
|
||
PDEVICE_OBJECT detectedDeviceObject = NULL;
|
||
ANSI_STRING AKeyName;
|
||
|
||
PAGED_CODE();
|
||
|
||
//
|
||
// File the pointer to our driver object away
|
||
//
|
||
HalpDriverObject = DriverObject;
|
||
|
||
//
|
||
// Fill in the driver object
|
||
//
|
||
DriverObject->DriverExtension->AddDevice = (PDRIVER_ADD_DEVICE)HalpAddDevice;
|
||
DriverObject->MajorFunction[ IRP_MJ_PNP ] = HalpDispatchPnp;
|
||
DriverObject->MajorFunction[ IRP_MJ_POWER ] = HalpDispatchPower;
|
||
DriverObject->MajorFunction[ IRP_MJ_SYSTEM_CONTROL ] = HalpDispatchWmi;
|
||
|
||
status = IoReportDetectedDevice(DriverObject,
|
||
InterfaceTypeUndefined,
|
||
-1,
|
||
-1,
|
||
NULL,
|
||
NULL,
|
||
FALSE,
|
||
&detectedDeviceObject);
|
||
|
||
ASSERT(detectedDeviceObject);
|
||
if (!(NT_SUCCESS(status))) {
|
||
return status;
|
||
}
|
||
|
||
HalpAddDevice(DriverObject,
|
||
detectedDeviceObject);
|
||
|
||
return STATUS_SUCCESS;
|
||
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpAddDevice(
|
||
IN PDRIVER_OBJECT DriverObject,
|
||
IN PDEVICE_OBJECT PhysicalDeviceObject
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine handles AddDevice for an madeup PDO device.
|
||
|
||
Arguments:
|
||
|
||
DriverObject - Pointer to our pseudo driver object.
|
||
|
||
DeviceObject - Pointer to the device object for which this requestapplies.
|
||
|
||
Return Value:
|
||
|
||
NT status.
|
||
|
||
--*/
|
||
{
|
||
PDEVICE_OBJECT functionalDeviceObject;
|
||
PDEVICE_OBJECT childDeviceObject;
|
||
PDEVICE_OBJECT AttachedDevice;
|
||
NTSTATUS status;
|
||
PFDO_EXTENSION FdoExtension;
|
||
PPDO_EXTENSION PdoExtension;
|
||
|
||
PAGED_CODE();
|
||
|
||
//
|
||
// We've been given the PhysicalDeviceObject. Create the
|
||
// FunctionalDeviceObject. Our FDO will be nameless.
|
||
//
|
||
|
||
status = IoCreateDevice(
|
||
DriverObject, // our driver object
|
||
sizeof(FDO_EXTENSION), // size of our extension
|
||
NULL, // our name
|
||
FILE_DEVICE_BUS_EXTENDER, // device type
|
||
0, // device characteristics
|
||
FALSE, // not exclusive
|
||
&functionalDeviceObject // store new device object here
|
||
);
|
||
|
||
if( !NT_SUCCESS( status )){
|
||
|
||
DbgBreakPoint();
|
||
return status;
|
||
}
|
||
|
||
//
|
||
// Fill in the FDO extension
|
||
//
|
||
FdoExtension = (PFDO_EXTENSION)functionalDeviceObject->DeviceExtension;
|
||
FdoExtension->ExtensionType = FdoExtensionType;
|
||
FdoExtension->PhysicalDeviceObject = PhysicalDeviceObject;
|
||
FdoExtension->FunctionalDeviceObject = functionalDeviceObject;
|
||
|
||
functionalDeviceObject->Flags &= ~(DO_DEVICE_INITIALIZING);
|
||
|
||
//
|
||
// Now attach to the PDO we were given.
|
||
//
|
||
|
||
AttachedDevice = IoAttachDeviceToDeviceStack(functionalDeviceObject,
|
||
PhysicalDeviceObject );
|
||
if(AttachedDevice == NULL){
|
||
|
||
//
|
||
// Couldn't attach. Delete the FDO.
|
||
//
|
||
|
||
IoDeleteDevice( functionalDeviceObject );
|
||
|
||
return STATUS_NO_SUCH_DEVICE;
|
||
|
||
}
|
||
|
||
FdoExtension->AttachedDeviceObject = AttachedDevice;
|
||
|
||
//
|
||
// Next, create a PDO for the ACPI driver.
|
||
//
|
||
status = IoCreateDevice(
|
||
DriverObject, // our driver object
|
||
sizeof(PDO_EXTENSION), // size of our extension
|
||
NULL, // our name
|
||
FILE_DEVICE_BUS_EXTENDER, // device type
|
||
FILE_AUTOGENERATED_DEVICE_NAME, // device characteristics
|
||
FALSE, // not exclusive
|
||
&childDeviceObject // store new device object here
|
||
);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
return status;
|
||
}
|
||
|
||
//
|
||
// Fill in the PDO extension
|
||
//
|
||
PdoExtension = (PPDO_EXTENSION)childDeviceObject->DeviceExtension;
|
||
PdoExtension->ExtensionType = PdoExtensionType;
|
||
PdoExtension->Next = NULL;
|
||
PdoExtension->PhysicalDeviceObject = childDeviceObject;
|
||
PdoExtension->ParentFdoExtension = FdoExtension;
|
||
PdoExtension->PdoType = AcpiDriver;
|
||
|
||
childDeviceObject->Flags &= ~(DO_DEVICE_INITIALIZING);
|
||
//
|
||
// Record this as a child of the HAL
|
||
//
|
||
FdoExtension->ChildPdoList = PdoExtension;
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpPassIrpFromFdoToPdo(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PIRP Irp
|
||
)
|
||
|
||
/*++
|
||
|
||
Description:
|
||
|
||
Given an FDO, pass the IRP to the next device object in the
|
||
device stack. This is the PDO if there are no lower level
|
||
filters.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - the Fdo
|
||
Irp - the request
|
||
|
||
Return Value:
|
||
|
||
Returns the result from calling the next level.
|
||
|
||
--*/
|
||
|
||
{
|
||
|
||
PIO_STACK_LOCATION irpSp; // our stack location
|
||
PIO_STACK_LOCATION nextIrpSp; // next guy's
|
||
PFDO_EXTENSION fdoExtension;
|
||
|
||
//
|
||
// Get the pointer to the device extension.
|
||
//
|
||
|
||
fdoExtension = (PFDO_EXTENSION)DeviceObject->DeviceExtension;
|
||
|
||
IoSkipCurrentIrpStackLocation(Irp);
|
||
|
||
//
|
||
// Call the PDO driver with the request.
|
||
//
|
||
|
||
return IoCallDriver(fdoExtension->AttachedDeviceObject ,Irp);
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpDispatchPnp(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine handles all IRP_MJ_PNP IRPs for madeup PDO device.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Pointer to the device object for which this IRP applies.
|
||
|
||
Irp - Pointer to the IRP_MJ_PNP IRP to dispatch.
|
||
|
||
Return Value:
|
||
|
||
NT status.
|
||
|
||
--*/
|
||
{
|
||
PIO_STACK_LOCATION irpSp;
|
||
NTSTATUS status;
|
||
ULONG length;
|
||
DEVICE_RELATION_TYPE relationType;
|
||
EXTENSION_TYPE extensionType;
|
||
BOOLEAN passDown;
|
||
#if DBG
|
||
PUCHAR objectTypeString;
|
||
#endif //DBG
|
||
|
||
PAGED_CODE();
|
||
|
||
extensionType = ((PFDO_EXTENSION)(DeviceObject->DeviceExtension))->ExtensionType;
|
||
|
||
//
|
||
// Get a pointer to our stack location and take appropriate action based
|
||
// on the minor function.
|
||
//
|
||
|
||
irpSp = IoGetCurrentIrpStackLocation(Irp);
|
||
status = Irp->IoStatus.Status;
|
||
switch (extensionType) {
|
||
|
||
case PdoExtensionType:
|
||
|
||
#if DBG
|
||
objectTypeString = "PDO";
|
||
#endif //DBG
|
||
|
||
switch (irpSp->MinorFunction) {
|
||
|
||
case IRP_MN_START_DEVICE:
|
||
|
||
HalPrint(("HAL: (%s) Start_Device Irp received\n",
|
||
objectTypeString));
|
||
|
||
//
|
||
// If we get a start device request for a PDO, we simply
|
||
// return success.
|
||
//
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
case IRP_MN_QUERY_STOP_DEVICE:
|
||
|
||
HalPrint(("(%s) Query_Stop_Device Irp received",
|
||
objectTypeString));
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
case IRP_MN_CANCEL_STOP_DEVICE:
|
||
|
||
HalPrint(("(%s) Cancel_Stop_Device Irp received",
|
||
objectTypeString));
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
|
||
case IRP_MN_STOP_DEVICE:
|
||
|
||
HalPrint(("HAL: (%s) Stop_Device Irp received\n",
|
||
objectTypeString));
|
||
|
||
//
|
||
// If we get a stop device request for a PDO, we simply
|
||
// return success.
|
||
//
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
case IRP_MN_QUERY_RESOURCES:
|
||
|
||
HalPrint(("HAL: (%s) Query_Resources Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryResources(DeviceObject,
|
||
(PCM_RESOURCE_LIST*)&Irp->IoStatus.Information);
|
||
|
||
break;
|
||
|
||
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
|
||
|
||
HalPrint(("HAL: (%s) Query_Resource_Requirements Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryResourceRequirements(DeviceObject,
|
||
(PIO_RESOURCE_REQUIREMENTS_LIST*)&Irp->IoStatus.Information);
|
||
break;
|
||
|
||
case IRP_MN_QUERY_REMOVE_DEVICE:
|
||
|
||
HalPrint(("(%s) Query_Remove_device Irp for %x",
|
||
objectTypeString,
|
||
DeviceObject));
|
||
|
||
status = STATUS_UNSUCCESSFUL;
|
||
break;
|
||
|
||
case IRP_MN_CANCEL_REMOVE_DEVICE:
|
||
|
||
HalPrint(("(%s) Cancel_Remove_device Irp for %x",
|
||
objectTypeString,
|
||
DeviceObject));
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
case IRP_MN_REMOVE_DEVICE:
|
||
|
||
HalPrint(("HAL: (%s) Remove_device Irp for PDO %x\n",
|
||
objectTypeString,
|
||
DeviceObject));
|
||
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
||
|
||
HalPrint(("HAL: (%s) Query_Device_Relations Irp received\n",
|
||
objectTypeString));
|
||
|
||
relationType = irpSp->Parameters.QueryDeviceRelations.Type;
|
||
status = HalpQueryDeviceRelations(DeviceObject,
|
||
relationType,
|
||
(PDEVICE_RELATIONS*)&Irp->IoStatus.Information);
|
||
break;
|
||
|
||
|
||
case IRP_MN_QUERY_ID:
|
||
|
||
HalPrint(("HAL: (%s) Query_Id Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryIdPdo(DeviceObject,
|
||
irpSp->Parameters.QueryId.IdType,
|
||
(PWSTR*)&Irp->IoStatus.Information);
|
||
|
||
break;
|
||
|
||
case IRP_MN_QUERY_INTERFACE:
|
||
|
||
HalPrint(("HAL: (%s) Query_Interface Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryInterface(
|
||
DeviceObject,
|
||
irpSp->Parameters.QueryInterface.InterfaceType,
|
||
irpSp->Parameters.QueryInterface.Version,
|
||
irpSp->Parameters.QueryInterface.InterfaceSpecificData,
|
||
irpSp->Parameters.QueryInterface.Size,
|
||
irpSp->Parameters.QueryInterface.Interface,
|
||
&Irp->IoStatus.Information
|
||
);
|
||
break;
|
||
|
||
case IRP_MN_QUERY_CAPABILITIES:
|
||
|
||
HalPrint(("HAL: (%s) Query_Capabilities Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryCapabilities(DeviceObject,
|
||
irpSp->Parameters.DeviceCapabilities.Capabilities);
|
||
|
||
break;
|
||
|
||
case IRP_MN_DEVICE_USAGE_NOTIFICATION:
|
||
HalPrint(("HAL: DEVICE_USAGE Irp received\n"));
|
||
status = STATUS_SUCCESS;
|
||
break;
|
||
|
||
default:
|
||
|
||
HalPrint(("HAL: (%s) Unsupported Irp (%d) received\n",
|
||
objectTypeString,
|
||
irpSp->MinorFunction));
|
||
status = STATUS_NOT_SUPPORTED ;
|
||
break;
|
||
}
|
||
|
||
break; // end PDO cases
|
||
|
||
case FdoExtensionType:
|
||
|
||
#if DBG
|
||
objectTypeString = "FDO";
|
||
#endif //DBG
|
||
passDown = TRUE;
|
||
|
||
//
|
||
// In case we don't touch this IRP, save the current status.
|
||
//
|
||
|
||
switch (irpSp->MinorFunction) {
|
||
|
||
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
||
|
||
HalPrint(("HAL: (%s) Query_Device_Relations Irp received\n",
|
||
objectTypeString));
|
||
|
||
relationType = irpSp->Parameters.QueryDeviceRelations.Type;
|
||
status = HalpQueryDeviceRelations(DeviceObject,
|
||
relationType,
|
||
(PDEVICE_RELATIONS*)&Irp->IoStatus.Information);
|
||
break;
|
||
|
||
case IRP_MN_QUERY_INTERFACE:
|
||
|
||
HalPrint(("HAL: (%s) Query_Interface Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryInterface(
|
||
DeviceObject,
|
||
irpSp->Parameters.QueryInterface.InterfaceType,
|
||
irpSp->Parameters.QueryInterface.Version,
|
||
irpSp->Parameters.QueryInterface.InterfaceSpecificData,
|
||
irpSp->Parameters.QueryInterface.Size,
|
||
irpSp->Parameters.QueryInterface.Interface,
|
||
&Irp->IoStatus.Information
|
||
);
|
||
|
||
break;
|
||
|
||
case IRP_MN_QUERY_ID:
|
||
|
||
HalPrint(("HAL: (%s) Query_Id Irp received\n",
|
||
objectTypeString));
|
||
|
||
status = HalpQueryIdFdo(DeviceObject,
|
||
irpSp->Parameters.QueryId.IdType,
|
||
(PWSTR*)&Irp->IoStatus.Information);
|
||
|
||
break;
|
||
|
||
default:
|
||
|
||
//
|
||
// Ignore any PNP Irps unknown by the FDO but allow them
|
||
// down to the PDO.
|
||
//
|
||
|
||
status = STATUS_NOT_SUPPORTED ;
|
||
break;
|
||
}
|
||
|
||
if (passDown && (NT_SUCCESS(status) || (status == STATUS_NOT_SUPPORTED))) {
|
||
|
||
//
|
||
// Pass FDO IRPs down to the PDO.
|
||
//
|
||
// Set Irp status first.
|
||
//
|
||
if (status != STATUS_NOT_SUPPORTED) {
|
||
|
||
Irp->IoStatus.Status = status;
|
||
}
|
||
|
||
HalPrint(("HAL: (%s) Passing down Irp (%x)\n",
|
||
objectTypeString, irpSp->MinorFunction));
|
||
return HalpPassIrpFromFdoToPdo(DeviceObject, Irp);
|
||
}
|
||
|
||
break; // end FDO cases
|
||
|
||
default:
|
||
|
||
HalPrint(( "HAL: Received IRP for unknown Device Object\n"));
|
||
status = STATUS_INVALID_DEVICE_REQUEST ;
|
||
break;
|
||
|
||
}
|
||
|
||
//
|
||
// Complete the Irp and return.
|
||
//
|
||
|
||
if (status != STATUS_NOT_SUPPORTED) {
|
||
|
||
Irp->IoStatus.Status = status;
|
||
|
||
} else {
|
||
|
||
status = Irp->IoStatus.Status ;
|
||
}
|
||
|
||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||
|
||
return status;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpDispatchPower(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine handles all IRP_MJ_POWER IRPs for madeup PDO device.
|
||
Note: We don't actually handle any Power IRPs at this level so
|
||
all we do is return the status from the incoming IRP.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - Pointer to the device object for which this IRP applies.
|
||
|
||
Irp - Pointer to the IRP_MJ_POWER IRP to dispatch.
|
||
|
||
Return Value:
|
||
|
||
NT status.
|
||
|
||
--*/
|
||
{
|
||
NTSTATUS Status;
|
||
EXTENSION_TYPE extensionType;
|
||
PIO_STACK_LOCATION irpSp;
|
||
|
||
HalPrint(("Hal: Power IRP for DevObj: %x\n", DeviceObject));
|
||
|
||
|
||
extensionType = ((PFDO_EXTENSION)(DeviceObject->DeviceExtension))->ExtensionType;
|
||
|
||
irpSp = IoGetCurrentIrpStackLocation(Irp);
|
||
|
||
//
|
||
// Simply store the appropriate status and complete the request.
|
||
//
|
||
|
||
Status = Irp->IoStatus.Status;
|
||
|
||
PoStartNextPowerIrp(Irp);
|
||
|
||
if (extensionType == FdoExtensionType) {
|
||
|
||
switch (irpSp->MinorFunction) {
|
||
case IRP_MN_SET_POWER:
|
||
|
||
if (irpSp->Parameters.Power.Type == SystemPowerState) {
|
||
|
||
switch (irpSp->Parameters.Power.State.SystemState) {
|
||
case PowerSystemSleeping1:
|
||
case PowerSystemSleeping2:
|
||
case PowerSystemSleeping3:
|
||
case PowerSystemHibernate:
|
||
|
||
//
|
||
// Allocate structures used for starting up
|
||
// processors while resuming from sleep.
|
||
//
|
||
|
||
HalpBuildResumeStructures();
|
||
|
||
HalpMaskAcpiInterrupt();
|
||
|
||
break;
|
||
|
||
case PowerSystemWorking:
|
||
|
||
HalpUnmaskAcpiInterrupt();
|
||
|
||
//
|
||
// Free structures used for starting up
|
||
// processors while resuming from sleep.
|
||
//
|
||
|
||
HalpFreeResumeStructures();
|
||
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
//
|
||
// Fall through.
|
||
//
|
||
|
||
case IRP_MN_QUERY_POWER:
|
||
|
||
Irp->IoStatus.Status = Status = STATUS_SUCCESS;
|
||
|
||
//
|
||
// Fall through.
|
||
//
|
||
|
||
default:
|
||
|
||
Status = HalpPassIrpFromFdoToPdo(DeviceObject, Irp);
|
||
break;
|
||
}
|
||
|
||
} else {
|
||
|
||
switch (irpSp->MinorFunction) {
|
||
case IRP_MN_SET_POWER:
|
||
case IRP_MN_QUERY_POWER:
|
||
|
||
Irp->IoStatus.Status = Status = STATUS_SUCCESS;
|
||
|
||
//
|
||
// Fall through.
|
||
//
|
||
|
||
default:
|
||
IoCompleteRequest( Irp, IO_NO_INCREMENT );
|
||
break;
|
||
}
|
||
}
|
||
|
||
return Status;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpDispatchWmi(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN OUT PIRP Irp
|
||
)
|
||
{
|
||
NTSTATUS Status;
|
||
EXTENSION_TYPE extensionType;
|
||
|
||
extensionType = ((PFDO_EXTENSION)(DeviceObject->DeviceExtension))->ExtensionType;
|
||
|
||
if (extensionType == FdoExtensionType) {
|
||
Status = HalpPassIrpFromFdoToPdo(DeviceObject, Irp);
|
||
} else {
|
||
Status = Irp->IoStatus.Status;
|
||
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
||
}
|
||
|
||
return Status;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpQueryDeviceRelations(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN DEVICE_RELATION_TYPE RelationType,
|
||
OUT PDEVICE_RELATIONS *DeviceRelations
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine builds a DEVICE_RELATIONS structure that
|
||
tells the PnP manager how many children we have.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - FDO of ACPI_HAL
|
||
|
||
RelationType - we only respond to BusRelations
|
||
|
||
DeviceRelations - pointer to the structure
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
PFDO_EXTENSION FdoExtension;
|
||
PDEVICE_RELATIONS relations = NULL;
|
||
PDEVICE_OBJECT deviceObjectToReturn ;
|
||
EXTENSION_TYPE extensionType;
|
||
NTSTATUS status ;
|
||
|
||
PAGED_CODE();
|
||
|
||
FdoExtension = (PFDO_EXTENSION)DeviceObject->DeviceExtension;
|
||
extensionType = FdoExtension->ExtensionType;
|
||
status = STATUS_NOT_SUPPORTED ;
|
||
|
||
switch(RelationType) {
|
||
|
||
case BusRelations:
|
||
|
||
if (extensionType == FdoExtensionType) {
|
||
deviceObjectToReturn = FdoExtension->ChildPdoList->PhysicalDeviceObject ;
|
||
status = STATUS_SUCCESS ;
|
||
}
|
||
break;
|
||
|
||
case TargetDeviceRelation:
|
||
|
||
if (extensionType == PdoExtensionType) {
|
||
|
||
deviceObjectToReturn = DeviceObject ;
|
||
status = STATUS_SUCCESS ;
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (status == STATUS_NOT_SUPPORTED) {
|
||
|
||
HalPrint(("HAL: We don't support this kind of device relation\n"));
|
||
|
||
} else if (NT_SUCCESS(status)) {
|
||
|
||
ASSERT(*DeviceRelations == 0);
|
||
|
||
relations = ExAllocatePoolWithTag(
|
||
PagedPool,
|
||
sizeof(DEVICE_RELATIONS),
|
||
HAL_POOL_TAG
|
||
);
|
||
|
||
if (!relations) {
|
||
|
||
status = STATUS_INSUFFICIENT_RESOURCES;
|
||
|
||
} else {
|
||
|
||
relations->Count = 1;
|
||
relations->Objects[0] = deviceObjectToReturn ;
|
||
|
||
ObReferenceObject(relations->Objects[0]);
|
||
*DeviceRelations = relations;
|
||
}
|
||
}
|
||
|
||
return status ;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpQueryIdPdo(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN BUS_QUERY_ID_TYPE IdType,
|
||
IN OUT PWSTR *BusQueryId
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine identifies each of the children that were
|
||
enumerated in HalpQueryDeviceRelations.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - PDO of the child
|
||
|
||
IdType - the type of ID to be returned, currently ignored
|
||
|
||
BusQueryId - pointer to the wide string being returned
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
PPDO_EXTENSION PdoExtension = DeviceObject->DeviceExtension;
|
||
PWSTR idString;
|
||
PWCHAR sourceString;
|
||
ULONG stringLen;
|
||
static WCHAR AcpiHardwareIdString[] = L"ACPI_HAL\\PNP0C08\0*PNP0C08";
|
||
static WCHAR AcpiCompatibleString[] = L"*PNP0C08";
|
||
static WCHAR AcpiInstanceIdString[] = L"0";
|
||
|
||
PAGED_CODE();
|
||
|
||
switch (IdType) {
|
||
case BusQueryDeviceID:
|
||
case BusQueryHardwareIDs:
|
||
|
||
switch (PdoExtension->PdoType) {
|
||
case AcpiDriver:
|
||
sourceString = AcpiHardwareIdString;
|
||
stringLen = sizeof(AcpiHardwareIdString);
|
||
break;
|
||
|
||
default:
|
||
return STATUS_NOT_SUPPORTED;
|
||
|
||
}
|
||
break;
|
||
|
||
case BusQueryCompatibleIDs:
|
||
return STATUS_NOT_SUPPORTED;
|
||
break;
|
||
|
||
case BusQueryInstanceID:
|
||
sourceString = AcpiInstanceIdString;
|
||
stringLen = sizeof(AcpiInstanceIdString);
|
||
break;
|
||
|
||
default:
|
||
return STATUS_NOT_SUPPORTED;
|
||
}
|
||
|
||
idString = ExAllocatePoolWithTag(PagedPool,
|
||
stringLen + sizeof(UNICODE_NULL),
|
||
HAL_POOL_TAG);
|
||
|
||
if (!idString) {
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
RtlCopyMemory(idString,
|
||
sourceString, stringLen);
|
||
|
||
*(idString + stringLen / sizeof(WCHAR)) = UNICODE_NULL;
|
||
|
||
*BusQueryId = idString;
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
NTSTATUS
|
||
HalpQueryIdFdo(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN BUS_QUERY_ID_TYPE IdType,
|
||
IN OUT PWSTR *BusQueryId
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine identifies each of the children that were
|
||
enumerated in HalpQueryDeviceRelations.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - PDO of the child
|
||
|
||
IdType - the type of ID to be returned.
|
||
|
||
BusQueryId - pointer to the wide string being returned
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
PPDO_EXTENSION PdoExtension = DeviceObject->DeviceExtension;
|
||
PWSTR idString;
|
||
PWCHAR sourceString = NULL;
|
||
ULONG stringLen;
|
||
UNICODE_STRING String;
|
||
WCHAR Buffer[16];
|
||
NTSTATUS Status;
|
||
PWCHAR widechar;
|
||
static WCHAR HalInstanceIdString[] = L"0";
|
||
|
||
PAGED_CODE();
|
||
|
||
switch (IdType) {
|
||
case BusQueryDeviceID:
|
||
case BusQueryHardwareIDs:
|
||
|
||
//
|
||
// For the UP version of the APIC HAL, we want to detect if there is more
|
||
// than one processor installed. If so, we want to return the ID of
|
||
// the MP HAL rather than the UP HAL. This will induce PNP to reconfigure
|
||
// our devnode and setup the MP HAL for the next boot.
|
||
//
|
||
|
||
sourceString = HalHardwareIdString;
|
||
#if defined(NT_UP) && defined(APIC_HAL)
|
||
if (HalpMpInfoTable.ProcessorCount > 1) {
|
||
sourceString = MpHalHardwareIdString;
|
||
}
|
||
#endif
|
||
widechar = sourceString;
|
||
while (*widechar != UNICODE_NULL) {
|
||
widechar++;
|
||
}
|
||
stringLen = (PUCHAR)widechar - ((PUCHAR)sourceString) + 2;
|
||
|
||
break;
|
||
|
||
case BusQueryInstanceID:
|
||
|
||
sourceString = HalInstanceIdString;
|
||
stringLen = sizeof(HalInstanceIdString);
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
if (sourceString) {
|
||
|
||
//
|
||
// Note that hardware IDs and compatible IDs must be terminated by
|
||
// 2 NULLs.
|
||
//
|
||
|
||
idString = ExAllocatePoolWithTag(PagedPool,
|
||
stringLen + sizeof(UNICODE_NULL),
|
||
HAL_POOL_TAG);
|
||
|
||
if (!idString) {
|
||
HalPrint(( "HalpQueryIdFdo: couldn't allocate pool\n"));
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
RtlCopyMemory(idString,
|
||
sourceString, stringLen);
|
||
|
||
*(idString + stringLen / sizeof(WCHAR)) = UNICODE_NULL;
|
||
|
||
*BusQueryId = idString;
|
||
|
||
return STATUS_SUCCESS;
|
||
} else {
|
||
return STATUS_NOT_SUPPORTED;
|
||
}
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpQueryCapabilities(
|
||
IN PDEVICE_OBJECT PdoExtension,
|
||
IN PDEVICE_CAPABILITIES Capabilities
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine fills in the DEVICE_CAPABILITIES structure for
|
||
a device.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - PDO of the child
|
||
|
||
Capabilities - pointer to the structure to be filled in.
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
PAGED_CODE();
|
||
|
||
ASSERT(Capabilities->Version == 1);
|
||
if (Capabilities->Version != 1) {
|
||
|
||
return STATUS_NOT_SUPPORTED;
|
||
|
||
}
|
||
|
||
Capabilities->LockSupported = FALSE;
|
||
Capabilities->EjectSupported = FALSE;
|
||
Capabilities->Removable = FALSE;
|
||
Capabilities->DockDevice = FALSE;
|
||
Capabilities->UniqueID = TRUE;
|
||
Capabilities->SilentInstall = TRUE;
|
||
Capabilities->RawDeviceOK = FALSE;
|
||
Capabilities->Address = 0xffffffff;
|
||
Capabilities->UINumber = 0xffffffff;
|
||
Capabilities->D1Latency = 0;
|
||
Capabilities->D2Latency = 0;
|
||
Capabilities->D3Latency = 0;
|
||
|
||
//
|
||
// Default S->D mapping
|
||
//
|
||
Capabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
|
||
Capabilities->DeviceState[PowerSystemHibernate] = PowerDeviceD3;
|
||
Capabilities->DeviceState[PowerSystemShutdown] = PowerDeviceD3;
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpQueryResources(
|
||
PDEVICE_OBJECT DeviceObject,
|
||
PCM_RESOURCE_LIST *Resources
|
||
)
|
||
{
|
||
PIO_RESOURCE_REQUIREMENTS_LIST requirements;
|
||
PPDO_EXTENSION PdoExtension = DeviceObject->DeviceExtension;
|
||
PIO_RESOURCE_DESCRIPTOR descriptor;
|
||
PCM_RESOURCE_LIST cmResList;
|
||
NTSTATUS status;
|
||
ULONG i;
|
||
|
||
PAGED_CODE();
|
||
|
||
if (PdoExtension->PdoType == AcpiDriver) {
|
||
|
||
//
|
||
// The whole point behind creating a boot config for the
|
||
// ACPI PDO is that the PnP Manager will not terminate
|
||
// its algorithm that tries to reserve boot configs for
|
||
// all of ACPI's children. So it is not necessary that
|
||
// ACPI have a complicated list of resources in its boot
|
||
// config. We'll be happy with just the IRQ.
|
||
//
|
||
// N.B. At the time of this writing, it should also be
|
||
// true that the IRQ is the only resource that the ACPI
|
||
// claims anyhow.
|
||
//
|
||
|
||
status = HalpQueryAcpiResourceRequirements(&requirements);
|
||
|
||
if (!NT_SUCCESS(status)) {
|
||
return status;
|
||
}
|
||
|
||
cmResList = ExAllocatePoolWithTag(PagedPool,
|
||
sizeof(CM_RESOURCE_LIST),
|
||
HAL_POOL_TAG);
|
||
|
||
if (!cmResList) {
|
||
ExFreePool(requirements);
|
||
return STATUS_INSUFFICIENT_RESOURCES;
|
||
}
|
||
|
||
RtlZeroMemory(cmResList, sizeof(CM_RESOURCE_LIST));
|
||
|
||
cmResList->Count = 1;
|
||
cmResList->List[0].InterfaceType = PNPBus;
|
||
cmResList->List[0].BusNumber = -1;
|
||
cmResList->List[0].PartialResourceList.Version = 1;
|
||
cmResList->List[0].PartialResourceList.Revision = 1;
|
||
cmResList->List[0].PartialResourceList.Count = 1;
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].Type =
|
||
CmResourceTypeInterrupt;
|
||
|
||
ASSERT(requirements->AlternativeLists == 1);
|
||
|
||
for (i = 0; i < requirements->List[0].Count; i++) {
|
||
|
||
descriptor = &requirements->List[0].Descriptors[i];
|
||
|
||
if (descriptor->Type == CmResourceTypeInterrupt) {
|
||
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].ShareDisposition =
|
||
descriptor->ShareDisposition;
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].Flags =
|
||
descriptor->Flags;
|
||
|
||
ASSERT(descriptor->u.Interrupt.MinimumVector ==
|
||
descriptor->u.Interrupt.MaximumVector);
|
||
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].u.Interrupt.Level =
|
||
descriptor->u.Interrupt.MinimumVector;
|
||
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].u.Interrupt.Vector =
|
||
descriptor->u.Interrupt.MinimumVector;
|
||
|
||
cmResList->List[0].PartialResourceList.PartialDescriptors[0].u.Interrupt.Affinity = -1;
|
||
|
||
*Resources = cmResList;
|
||
|
||
ExFreePool(requirements);
|
||
return STATUS_SUCCESS;
|
||
}
|
||
}
|
||
|
||
ExFreePool(requirements);
|
||
ExFreePool(cmResList);
|
||
return STATUS_NOT_FOUND;
|
||
|
||
} else {
|
||
return STATUS_NOT_SUPPORTED;
|
||
}
|
||
}
|
||
|
||
|
||
NTSTATUS
|
||
HalpQueryResourceRequirements(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN PIO_RESOURCE_REQUIREMENTS_LIST *Requirements
|
||
)
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine handles IRP_MN_QUERY_RESOURCE_REQUIREMENTS.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - PDO of the child
|
||
|
||
Requirements - pointer to be filled in with the devices
|
||
resource requirements.
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
PPDO_EXTENSION PdoExtension = DeviceObject->DeviceExtension;
|
||
|
||
PAGED_CODE();
|
||
|
||
if (PdoExtension->PdoType == AcpiDriver) {
|
||
|
||
return HalpQueryAcpiResourceRequirements(Requirements);
|
||
|
||
} else {
|
||
return STATUS_NOT_SUPPORTED;
|
||
}
|
||
}
|
||
|
||
NTSTATUS
|
||
HalpQueryInterface(
|
||
IN PDEVICE_OBJECT DeviceObject,
|
||
IN LPCGUID InterfaceType,
|
||
IN USHORT Version,
|
||
IN PVOID InterfaceSpecificData,
|
||
IN ULONG InterfaceBufferSize,
|
||
IN OUT PINTERFACE Interface,
|
||
IN OUT PULONG Length
|
||
)
|
||
|
||
/*++
|
||
|
||
Routine Description:
|
||
|
||
This routine fills in the interface structure for
|
||
a device.
|
||
|
||
Arguments:
|
||
|
||
DeviceObject - PDO of the child
|
||
|
||
InterfaceType - Pointer to the interface type GUID.
|
||
|
||
Version - Supplies the requested interface version.
|
||
|
||
InterfaceSpecificData - This is context that means something based on the
|
||
interface.
|
||
|
||
InterfaceBufferSize - Supplies the length of the buffer for the interface
|
||
structure.
|
||
|
||
Interface - Supplies a pointer where the interface informaiton should
|
||
be returned.
|
||
|
||
Length - This value is updated on return to actual number of bytes modified.
|
||
|
||
Return Value:
|
||
|
||
status
|
||
|
||
--*/
|
||
{
|
||
if (IsEqualGUID(InterfaceType, (PVOID)&GUID_TRANSLATOR_INTERFACE_STANDARD)) {
|
||
|
||
PTRANSLATOR_INTERFACE translator = (PTRANSLATOR_INTERFACE)Interface;
|
||
|
||
//
|
||
// Common initialization.
|
||
//
|
||
|
||
if (InterfaceBufferSize < sizeof(TRANSLATOR_INTERFACE)) {
|
||
*Length = sizeof(TRANSLATOR_INTERFACE);
|
||
return STATUS_BUFFER_TOO_SMALL;
|
||
}
|
||
|
||
switch ((CM_RESOURCE_TYPE)InterfaceSpecificData) {
|
||
|
||
case CmResourceTypeInterrupt:
|
||
|
||
translator->Size = sizeof(TRANSLATOR_INTERFACE);
|
||
translator->Version = HAL_IRQ_TRANSLATOR_VERSION;
|
||
translator->Context = DeviceObject;
|
||
translator->InterfaceReference = HalTranslatorReference;
|
||
translator->InterfaceDereference = HalTranslatorDereference;
|
||
translator->TranslateResources = HalIrqTranslateResourcesRoot;
|
||
translator->TranslateResourceRequirements =
|
||
HalIrqTranslateResourceRequirementsRoot;
|
||
|
||
*Length = sizeof(TRANSLATOR_INTERFACE);
|
||
|
||
break;
|
||
|
||
default:
|
||
return STATUS_NOT_SUPPORTED ;
|
||
}
|
||
return STATUS_SUCCESS;
|
||
}
|
||
#ifdef ACPI_CMOS_ACTIVATE
|
||
else if (IsEqualGUID(InterfaceType, (PVOID) &GUID_ACPI_CMOS_INTERFACE_STANDARD)) {
|
||
|
||
PACPI_CMOS_INTERFACE_STANDARD CmosInterface = (PACPI_CMOS_INTERFACE_STANDARD)Interface;
|
||
|
||
//
|
||
// Common initialization.
|
||
//
|
||
|
||
if (InterfaceBufferSize < sizeof(ACPI_CMOS_INTERFACE_STANDARD)) {
|
||
|
||
*Length = sizeof(ACPI_CMOS_INTERFACE_STANDARD);
|
||
return STATUS_BUFFER_TOO_SMALL;
|
||
}
|
||
|
||
switch ((CM_RESOURCE_TYPE)InterfaceSpecificData) {
|
||
|
||
case CmResourceTypeNull:
|
||
|
||
// standard header
|
||
CmosInterface->Size = sizeof(ACPI_CMOS_INTERFACE_STANDARD);
|
||
CmosInterface->Version = 1;
|
||
CmosInterface->InterfaceReference = HalpCmosNullReference;
|
||
CmosInterface->InterfaceDereference = HalpCmosNullReference;
|
||
|
||
// cmos interface specific
|
||
CmosInterface->ReadCmos = HalpcGetCmosDataByType;
|
||
CmosInterface->WriteCmos = HalpcSetCmosDataByType;
|
||
|
||
*Length = sizeof(ACPI_CMOS_INTERFACE_STANDARD);
|
||
|
||
break;
|
||
|
||
default:
|
||
return STATUS_NOT_SUPPORTED ;
|
||
}
|
||
|
||
return STATUS_SUCCESS;
|
||
}
|
||
#endif // ACPI_CMOS_ACTIVATE
|
||
|
||
//
|
||
// If we got here, we don't handle this interface type.
|
||
//
|
||
|
||
return STATUS_NOT_SUPPORTED ;
|
||
}
|
||
|
||
|
||
#ifdef ACPI_CMOS_ACTIVATE
|
||
|
||
//
|
||
// This section implements a CMOS access method
|
||
//
|
||
VOID
|
||
HalpCmosNullReference(
|
||
PVOID Context
|
||
)
|
||
{
|
||
return;
|
||
}
|
||
|
||
VOID
|
||
HalpCmosNullDereference(
|
||
PVOID Context
|
||
)
|
||
{
|
||
return;
|
||
}
|
||
|
||
|
||
#endif
|