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windows-nt/Source/XPSP1/NT/base/busdrv/acpi/driver/nt/acpiosnt.c

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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
acpiosnt.c
Abstract:
This module implements the OS specific functions for the Windows NT
version of the ACPI driver
Author:
Jason Clark (jasoncl)
Stephane Plante (splante)
Environment:
Kernel mode only.
Revision History:
09-Oct-96 Initial Revision
20-Nov-96 Interrupt Vector support
31-Mar-97 Cleanup
--*/
#include "pch.h"
#include "amlihook.h"
// from shared\acpiinit.c
extern PACPIInformation AcpiInformation;
// from irqarb.c
extern ULONG InterruptModel;
NTSTATUS
DriverEntry (
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath
);
PPM_DISPATCH_TABLE PmHalDispatchTable;
FAST_IO_DISPATCH ACPIFastIoDispatch;
#ifdef ALLOC_PRAGMA
#pragma alloc_text(INIT,DriverEntry)
#pragma alloc_text(PAGE,OSInterruptVector)
#pragma alloc_text(PAGE,NotifyHalWithMachineStates)
#endif
ACPI_HAL_DISPATCH_TABLE AcpiHalDispatchTable;
NTSTATUS
DriverEntry (
PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath
)
/*++
Routine Description:
The ACPI driver's entry point
Arguments:
DriverObject - Pointer to the object that represents this driver
Return Value:
N/A
--*/
{
NTSTATUS status;
ULONG i;
ULONG argSize;
//
// If the AMLIHOOK interface is enabled
// hook it.
//
AmliHook_InitTestHookInterface();
//
// Remember the name of the driver object
//
AcpiDriverObject = DriverObject;
//
// Save registry path for use by WMI registration code
//
AcpiRegistryPath.Length = 0;
AcpiRegistryPath.MaximumLength = RegistryPath->Length + sizeof(WCHAR);
AcpiRegistryPath.Buffer = ExAllocatePoolWithTag(
PagedPool,
RegistryPath->Length+sizeof(WCHAR),
ACPI_MISC_POOLTAG
);
if (AcpiRegistryPath.Buffer != NULL) {
RtlCopyUnicodeString(&AcpiRegistryPath, RegistryPath);
} else {
AcpiRegistryPath.MaximumLength = 0;
}
//
// Read the keys that we need to operate this driver from the
// registry
//
ACPIInitReadRegistryKeys();
//
// This flag may be set, when its not required, nor desired
// so take the opportunity to clean it up now
//
if (AcpiOverrideAttributes & ACPI_OVERRIDE_MP_SLEEP) {
KAFFINITY processors = KeQueryActiveProcessors();
//
// If this is a UP system, then turn off this override
//
if (processors == 1) {
AcpiOverrideAttributes &= ~ACPI_OVERRIDE_MP_SLEEP;
}
}
//
// Initialize the DPCs
//
KeInitializeDpc( &AcpiPowerDpc, ACPIDevicePowerDpc, NULL );
KeInitializeDpc( &AcpiBuildDpc, ACPIBuildDeviceDpc, NULL );
KeInitializeDpc( &AcpiGpeDpc, ACPIInterruptDispatchEventDpc, NULL );
//
// Initialize the timer
//
KeInitializeTimer( &AcpiGpeTimer );
//
// Initialize the SpinLocks
//
KeInitializeSpinLock( &AcpiDeviceTreeLock );
KeInitializeSpinLock( &AcpiPowerLock );
KeInitializeSpinLock( &AcpiPowerQueueLock );
KeInitializeSpinLock( &AcpiBuildQueueLock );
KeInitializeSpinLock( &AcpiThermalLock );
KeInitializeSpinLock( &AcpiButtonLock );
KeInitializeSpinLock( &AcpiFatalLock );
KeInitializeSpinLock( &AcpiUpdateFlagsLock );
KeInitializeSpinLock( &AcpiGetLock );
//
// Initialize the List Entry's
//
InitializeListHead( &AcpiPowerDelayedQueueList );
InitializeListHead( &AcpiPowerQueueList );
InitializeListHead( &AcpiPowerPhase0List );
InitializeListHead( &AcpiPowerPhase1List );
InitializeListHead( &AcpiPowerPhase2List );
InitializeListHead( &AcpiPowerPhase3List );
InitializeListHead( &AcpiPowerPhase4List );
InitializeListHead( &AcpiPowerPhase5List );
InitializeListHead( &AcpiPowerWaitWakeList );
InitializeListHead( &AcpiPowerSynchronizeList );
InitializeListHead( &AcpiPowerNodeList );
InitializeListHead( &AcpiBuildQueueList );
InitializeListHead( &AcpiBuildDeviceList );
InitializeListHead( &AcpiBuildOperationRegionList );
InitializeListHead( &AcpiBuildPowerResourceList );
InitializeListHead( &AcpiBuildRunMethodList );
InitializeListHead( &AcpiBuildSynchronizationList );
InitializeListHead( &AcpiBuildThermalZoneList );
InitializeListHead( &AcpiUnresolvedEjectList );
InitializeListHead( &AcpiThermalList );
InitializeListHead( &AcpiButtonList );
InitializeListHead( &AcpiGetListEntry );
//
// Initialize the variables/booleans
//
AcpiPowerDpcRunning = FALSE;
AcpiPowerWorkDone = FALSE;
AcpiBuildDpcRunning = FALSE;
AcpiBuildFixedButtonEnumerated = FALSE;
AcpiBuildWorkDone = FALSE;
AcpiFatalOutstanding = FALSE;
AcpiGpeDpcRunning = FALSE;
AcpiGpeDpcScheduled = FALSE;
AcpiGpeWorkDone = FALSE;
//
// Initialize the LookAside lists.
//
ExInitializeNPagedLookasideList(
&BuildRequestLookAsideList,
NULL,
NULL,
0,
sizeof(ACPI_BUILD_REQUEST),
ACPI_DEVICE_POOLTAG,
(PAGE_SIZE / sizeof(ACPI_BUILD_REQUEST) )
);
ExInitializeNPagedLookasideList(
&RequestLookAsideList,
NULL,
NULL,
0,
sizeof(ACPI_POWER_REQUEST),
ACPI_POWER_POOLTAG,
(PAGE_SIZE * 4 / sizeof(ACPI_POWER_REQUEST) )
);
ExInitializeNPagedLookasideList(
&DeviceExtensionLookAsideList,
NULL,
NULL,
0,
sizeof(DEVICE_EXTENSION),
ACPI_DEVICE_POOLTAG,
64
);
ExInitializeNPagedLookasideList(
&ObjectDataLookAsideList,
NULL,
NULL,
0,
sizeof(OBJDATA),
ACPI_OBJECT_POOLTAG,
(PAGE_SIZE / sizeof(OBJDATA) )
);
ExInitializeNPagedLookasideList(
&PswContextLookAsideList,
NULL,
NULL,
0,
sizeof(ACPI_WAKE_PSW_CONTEXT),
ACPI_POWER_POOLTAG,
16
);
//
// Initialize internal worker
//
ACPIInitializeWorker ();
//
// Make sure that we have an AddDevice function that will create
// the basic FDO for this device when it is called
//
DriverObject->DriverExtension->AddDevice = ACPIDispatchAddDevice;
//
// All irps will be sent through a single dispatch point
//
for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++) {
DriverObject->MajorFunction[ i ] = ACPIDispatchIrp;
}
DriverObject->DriverUnload = ACPIUnload;
//
// Fill out the Fast Io Detach callback for our bus filter
//
RtlZeroMemory(&ACPIFastIoDispatch, sizeof(FAST_IO_DISPATCH)) ;
ACPIFastIoDispatch.SizeOfFastIoDispatch = sizeof(FAST_IO_DISPATCH) ;
ACPIFastIoDispatch.FastIoDetachDevice = ACPIFilterFastIoDetachCallback ;
DriverObject->FastIoDispatch = &ACPIFastIoDispatch ;
//
// Initialize some HAL stuff
//
AcpiHalDispatchTable.Signature = ACPI_HAL_DISPATCH_SIGNATURE;
AcpiHalDispatchTable.Version = ACPI_HAL_DISPATCH_VERSION;
AcpiHalDispatchTable.AcpipEnableDisableGPEvents =
&ACPIGpeHalEnableDisableEvents;
AcpiHalDispatchTable.AcpipInitEnableAcpi =
&ACPIEnableInitializeACPI;
AcpiHalDispatchTable.AcpipGpeEnableWakeEvents =
&ACPIWakeEnableWakeEvents;
HalInitPowerManagement(
(PPM_DISPATCH_TABLE)(&AcpiHalDispatchTable),
&PmHalDispatchTable
);
return STATUS_SUCCESS;
}
VOID
OSInitializeCallbacks(
VOID
)
/*++
Routine Description:
This routine is called right after the interper has been initialized,
but before AML code has actually been executed.
Arguments:
None
Return Value:
None
--*/
{
POPREGIONHANDLER dummy;
#if DBG
NTSTATUS status;
status =
#endif
AMLIRegEventHandler(
EVTYPE_OPCODE_EX,
OP_LOAD,
ACPICallBackLoad,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_OPCODE_EX,
OP_UNLOAD,
ACPICallBackUnload,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_DESTROYOBJ,
0,
(PFNHND)ACPITableNotifyFreeObject,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_NOTIFY,
0,
NotifyHandler,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_ACQREL_GLOBALLOCK,
0,
GlobalLockEventHandler,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_CREATE,
0,
OSNotifyCreate,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
status =
#endif
AMLIRegEventHandler(
EVTYPE_FATAL,
0,
OSNotifyFatalError,
0
);
#if DBG
if (!NT_SUCCESS(status)) {
ACPIBreakPoint();
}
#endif
//
// Register internal support of PCI operational regions. Note that
// we don't specify a region object here because we haven't yet created it
//
RegisterOperationRegionHandler(
NULL,
EVTYPE_RS_COOKACCESS,
REGSPACE_PCICFG, // PCI config space
(PFNHND)PciConfigSpaceHandler,
0,
&dummy);
}
BOOLEAN
OSInterruptVector(
PVOID Context
)
/*++
Routine Description:
This routine is charged with claiming an Interrupt for the device
Arguments:
Context - Context Pointer (points to FDO currently)
Return
TRUE for success
--*/
{
NTSTATUS status;
PDEVICE_EXTENSION deviceExtension;
PCM_PARTIAL_RESOURCE_DESCRIPTOR InterruptDesc;
ULONG Count;
PAGED_CODE();
deviceExtension = ACPIInternalGetDeviceExtension( (PDEVICE_OBJECT) Context );
//
// Grab the translated interrupt vector from our resource list
//
Count = 0;
InterruptDesc = RtlUnpackPartialDesc(
CmResourceTypeInterrupt,
deviceExtension->ResourceList,
&Count
);
if (InterruptDesc == NULL) {
ACPIDevPrint( (
ACPI_PRINT_CRITICAL,
deviceExtension,
" - Could not find interrupt descriptor\n"
) );
KeBugCheckEx(
ACPI_BIOS_ERROR,
ACPI_ROOT_RESOURCES_FAILURE,
(ULONG_PTR) deviceExtension,
(ULONG_PTR) deviceExtension->ResourceList,
1
);
}
//
// Initialize our DPC object
//
KeInitializeDpc(
&(deviceExtension->Fdo.InterruptDpc),
ACPIInterruptServiceRoutineDPC,
deviceExtension
);
//
// Now, lets connect ourselves to the interrupt
//
status = IoConnectInterrupt(
&(deviceExtension->Fdo.InterruptObject),
(PKSERVICE_ROUTINE) ACPIInterruptServiceRoutine,
deviceExtension,
NULL,
InterruptDesc->u.Interrupt.Vector,
(KIRQL)InterruptDesc->u.Interrupt.Level,
(KIRQL)InterruptDesc->u.Interrupt.Level,
LevelSensitive,
CmResourceShareShared,
InterruptDesc->u.Interrupt.Affinity,
FALSE
);
if (!NT_SUCCESS(status)) {
ACPIPrint( (
ACPI_PRINT_CRITICAL,
"OSInterruptVector: Could not connected to interrupt - %#08lx\n",
status
) );
return FALSE;
}
//
// Tell the HAL directly that we are done with the interrupt init
// stuff and it can start using the ACPI timer.
//
HalAcpiTimerInit(0,0);
//
// Done
//
return (TRUE);
}
VOID
ACPIAssert (
ULONG Condition,
ULONG ErrorCode,
PCHAR ReplacementText,
PCHAR SupplementalText,
ULONG Flags
)
/*++
Routine Description:
This is called to allow OS specific code to perform some additional OS
specific processing for Asserts. After this function returns, the normal
ASSERT macro will be called
Arguments:
Condition
ErrorCode
ReplacementText
SupplementalText
Flags
Return Value:
NONE
--*/
{
if (!Condition) {
ACPIPrint( (
ACPI_PRINT_CRITICAL,
"ACPIAssert: \n"
" ErrorCode = %08lx Flags = %08lx\n"
" ReplacmentText = %s\n"
" SupplmentalText = %s\n",
ErrorCode, Flags,
ReplacementText,
SupplementalText
) );
ASSERT(Condition);
}
return;
}
PNSOBJ
OSConvertDeviceHandleToPNSOBJ(
PVOID DeviceHandle
)
/*++
Routine Description:
This function converts a DeviceHandle (which will always be a
DeviceObject on NT) to a PNSObj handle.
Arguments:
DeviceHandle -- A DeviceObject whose PNSOBJ we want to determine.
Return Value:
The PNSOBJ for the given DeviceHandle or NULL if the conversion
could not be done.
--*/
{
PDEVICE_OBJECT deviceObject;
PDEVICE_EXTENSION deviceExtension;
deviceObject = (PDEVICE_OBJECT) DeviceHandle;
ASSERT( deviceObject != NULL );
if (deviceObject == NULL) {
return (NULL);
}
deviceExtension = ACPIInternalGetDeviceExtension(deviceObject);
ASSERT( deviceExtension != NULL );
if (deviceExtension == NULL) {
return (NULL);
}
return deviceExtension->AcpiObject;
}
NTSTATUS
NotifyHalWithMachineStates(
VOID
)
/*++
Routine Description:
This routine marshals the information about C states and
S states that the HAL needs and then passes it down.
Arguments:
none
Return Value:
status
--*/
{
BOOLEAN overrideMpSleep = FALSE;
CHAR picMethod[] = "\\_PIC";
NTSTATUS status;
OBJDATA data;
PHAL_SLEEP_VAL sleepVals = NULL;
PNSOBJ pnsobj = NULL;
PUCHAR SleepState[] = { "\\_S1", "\\_S2", "\\_S3",
"\\_S4", "\\_S5" };
SYSTEM_POWER_STATE systemState;
UCHAR processor = 0;
UCHAR state;
ULONG flags = 0;
ULONG pNum = 0;
PAGED_CODE();
//
// Notify the HAL with the location of the PBLKs
//
while(ProcessorList[pNum] && pNum < ACPI_SUPPORTED_PROCESSORS) {
//
// find the number of processors
//
pNum++;
}
ACPIPrint( (
ACPI_PRINT_LOADING,
"NotifyHalWithMachineStates: Number of processors is %d\n",
pNum
) );
sleepVals = ExAllocatePoolWithTag(
NonPagedPool,
sizeof(HAL_SLEEP_VAL) * 5,
ACPI_MISC_POOLTAG
);
if (!sleepVals) {
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// If there are more than 1 processors (ie: this is an MP machine)
// and the OverrideMpSleep attribute is set, then we should remember that
// so that we disallow all S-States other than S0, S4, and S5
//
if (AcpiOverrideAttributes & ACPI_OVERRIDE_MP_SLEEP) {
overrideMpSleep = TRUE;
}
//
// Remember that the only s-states that we support are S0, S4, and S5,
// by default
//
AcpiSupportedSystemStates =
(1 << PowerSystemWorking) +
(1 << PowerSystemHibernate) +
(1 << PowerSystemShutdown);
//
// Get the values that the HAL needs for sleeping the machine
// for each sleep state that this machine supports.
//
for (systemState = PowerSystemSleeping1, state = 0;
state < 5;
systemState++, state++) {
if ( ( (systemState == PowerSystemSleeping1) &&
(AcpiOverrideAttributes & ACPI_OVERRIDE_DISABLE_S1) ) ||
( (systemState == PowerSystemSleeping2) &&
(AcpiOverrideAttributes & ACPI_OVERRIDE_DISABLE_S2) ) ||
( (systemState == PowerSystemSleeping3) &&
(AcpiOverrideAttributes & ACPI_OVERRIDE_DISABLE_S3) )) {
ACPIPrint( (
ACPI_PRINT_LOADING,
"ACPI: SleepState %s disabled due to override\n",
SleepState[state]
) );
sleepVals[state].Supported = FALSE;
continue;
}
status = AMLIGetNameSpaceObject(SleepState[state], NULL, &pnsobj, 0);
if ( !NT_SUCCESS(status) ) {
ACPIPrint( (
ACPI_PRINT_LOADING,
"ACPI: SleepState %s not supported\n",
SleepState[state]
) );
sleepVals[state].Supported = FALSE;
continue;
}
if (overrideMpSleep && systemState < PowerSystemHibernate) {
ACPIPrint( (
ACPI_PRINT_WARNING,
"ACPI: SleepState %s not supported due to override\n",
SleepState[state]
) );
sleepVals[state].Supported = FALSE;
continue;
}
//
// Remember that we support this state
//
AcpiSupportedSystemStates |= (1 << systemState);
sleepVals[state].Supported = TRUE;
//
// Retrieve the value that will be written into the SLP_TYPa
// register.
//
AMLIEvalPackageElement (pnsobj, 0, &data);
sleepVals[state].Pm1aVal = (UCHAR)data.uipDataValue;
AMLIFreeDataBuffs(&data, 1);
//
// Retriece the value that will be written in to the SLp_TYPb
// register
//
AMLIEvalPackageElement (pnsobj, 1, &data);
sleepVals[state].Pm1bVal = (UCHAR)data.uipDataValue;
AMLIFreeDataBuffs(&data, 1);
}
//
// Notify the HAL
//
HalAcpiMachineStateInit(NULL, sleepVals, &InterruptModel);
ExFreePool(sleepVals);
//
// Notify the namespace with the _PIC val.
//
if (InterruptModel > 0) {
status = AMLIGetNameSpaceObject(picMethod,NULL,&pnsobj,0);
if (!NT_SUCCESS(status)) {
//
// The OEM didn't supply a _PIC method. That's OK.
// We'll assume that IRQ will somehow work without it.
//
return status;
}
RtlZeroMemory(&data, sizeof(data));
data.dwDataType = OBJTYPE_INTDATA;
data.uipDataValue = InterruptModel;
status = AMLIEvalNameSpaceObject(pnsobj, NULL, 1, &data);
if (!NT_SUCCESS(status)) {
//
// Failure to evaluate the _PIC method is not OK.
//
KeBugCheckEx(
ACPI_BIOS_ERROR,
ACPI_FAILED_PIC_METHOD,
InterruptModel,
status,
(ULONG_PTR) pnsobj
);
}
}
//
// Done
//
return status;
}
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