ACPI_STATUS
LsDisplayNamespace (
void)
{
ACPI_STATUS Status;
if (!Gbl_NsOutputFlag)
{
return (AE_OK);
}
Gbl_NumNamespaceObjects = 0;
/* File header */
FlPrintFile (ASL_FILE_NAMESPACE_OUTPUT, "Contents of ACPI Namespace\n\n");
FlPrintFile (ASL_FILE_NAMESPACE_OUTPUT, "Count Depth Name - Type\n\n");
/* Walk entire namespace from the root */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, LsDoOneNamespaceObject, NULL,
NULL, NULL);
/* Print the full pathname for each namespace node */
FlPrintFile (ASL_FILE_NAMESPACE_OUTPUT, "\nNamespace pathnames\n\n");
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, LsDoOnePathname, NULL,
NULL, NULL);
return (Status);
}
ACPI_STATUS
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL,
&SpaceId, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
return_ACPI_STATUS (Status);
}
void
AcpiNsDumpRootDevices (
void)
{
ACPI_HANDLE SysBusHandle;
ACPI_STATUS Status;
ACPI_FUNCTION_NAME (NsDumpRootDevices);
/* Only dump the table if tracing is enabled */
if (!(ACPI_LV_TABLES & AcpiDbgLevel))
{
return;
}
Status = AcpiGetHandle (NULL, METHOD_NAME__SB_, &SysBusHandle);
if (ACPI_FAILURE (Status))
{
return;
}
ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
"Display of all devices in the namespace:\n"));
Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, SysBusHandle,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
AcpiNsDumpOneDevice, NULL, NULL, NULL);
}
void
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId,
UINT32 Function)
{
ACPI_REG_WALK_INFO Info;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
/*
* These address spaces do not need a call to _REG, since the ACPI
* specification defines them as: "must always be accessible". Since
* they never change state (never become unavailable), no need to ever
* call _REG on them. Also, a DataTable is not a "real" address space,
* so do not call _REG. September 2018.
*/
if ((SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY) ||
(SpaceId == ACPI_ADR_SPACE_SYSTEM_IO) ||
(SpaceId == ACPI_ADR_SPACE_DATA_TABLE))
{
return_VOID;
}
Info.SpaceId = SpaceId;
Info.Function = Function;
Info.RegRunCount = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Running _REG methods for SpaceId %s\n",
AcpiUtGetRegionName (Info.SpaceId)));
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL, &Info, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Executed %u _REG methods for SpaceId %s\n",
Info.RegRunCount, AcpiUtGetRegionName (Info.SpaceId)));
return_VOID;
}
void
AcpiNsDumpObjectPaths (
ACPI_OBJECT_TYPE Type,
UINT8 DisplayType,
UINT32 MaxDepth,
ACPI_OWNER_ID OwnerId,
ACPI_HANDLE StartHandle)
{
ACPI_STATUS Status;
UINT32 MaxLevel = 0;
ACPI_FUNCTION_ENTRY ();
/*
* Just lock the entire namespace for the duration of the dump.
* We don't want any changes to the namespace during this time,
* especially the temporary nodes since we are going to display
* them also.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not acquire namespace mutex\n");
return;
}
/* Get the max depth of the namespace tree, for formatting later */
(void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
AcpiNsGetMaxDepth, NULL, (void *) &MaxLevel, NULL);
/* Now dump the entire namespace */
(void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
AcpiNsDumpOneObjectPath, NULL, (void *) &MaxLevel, NULL);
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
}
void
LkFindUnreferencedObjects (
void)
{
/* Walk entire namespace from the supplied root */
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, LkIsObjectUsed, NULL,
NULL, NULL);
}
ACPI_STATUS
AcpiGetDevices (
char *HID,
ACPI_WALK_CALLBACK UserFunction,
void *Context,
void **ReturnValue)
{
ACPI_STATUS Status;
ACPI_GET_DEVICES_INFO Info;
ACPI_FUNCTION_TRACE (AcpiGetDevices);
/* Parameter validation */
if (!UserFunction)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/*
* We're going to call their callback from OUR callback, so we need
* to know what it is, and their context parameter.
*/
Info.Hid = HID;
Info.Context = Context;
Info.UserFunction = UserFunction;
/*
* Lock the namespace around the walk.
* The namespace will be unlocked/locked around each call
* to the user function - since this function
* must be allowed to make Acpi calls itself.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
AcpiNsGetDeviceCallback, NULL, &Info, ReturnValue);
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
return_ACPI_STATUS (Status);
}
static void
MpEmitDeviceTree (
void)
{
FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\nACPI Device Tree\n");
FlPrintFile (ASL_FILE_MAP_OUTPUT, "----------------\n\n");
FlPrintFile (ASL_FILE_MAP_OUTPUT, "Device Pathname "
"_HID Description\n\n");
/* Walk the namespace from the root */
(void) AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, MpEmitOneDevice, NULL, NULL, NULL);
}
static ACPI_STATUS
acpi_dock_insert_child(ACPI_HANDLE handle, UINT32 level, void *context,
void **status)
{
device_t dock_dev, dev;
ACPI_HANDLE dock_handle;
dock_dev = (device_t)context;
dock_handle = acpi_get_handle(dock_dev);
if (!acpi_dock_is_ejd_device(dock_handle, handle))
goto out;
ACPI_VPRINT(dock_dev, acpi_device_get_parent_softc(dock_dev),
"inserting device for %s\n", acpi_name(handle));
#if 0
/*
* If the system boot up w/o Docking, the devices under the dock
* still un-initialized, also control methods such as _INI, _STA
* are not executed.
* Normal devices are initialized at booting by calling
* AcpiInitializeObjects(), however the devices under the dock
* need to be initialized here on the scheme of ACPICA.
*/
ACPI_INIT_WALK_INFO Info;
AcpiNsWalkNamespace(ACPI_TYPE_ANY, handle,
100, TRUE, AcpiNsInitOneDevice, &Info, NULL);
#endif
dev = acpi_get_device(handle);
if (dev == NULL) {
device_printf(dock_dev, "error: %s has no associated device\n",
acpi_name(handle));
goto out;
}
AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_dock_attach_later, dev);
out:
return (AE_OK);
}
ACPI_STATUS
AcpiWalkNamespace (
ACPI_OBJECT_TYPE Type,
ACPI_HANDLE StartObject,
UINT32 MaxDepth,
ACPI_WALK_CALLBACK UserFunction,
void *Context,
void **ReturnValue)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (AcpiWalkNamespace);
/* Parameter validation */
if ((Type > ACPI_TYPE_LOCAL_MAX) ||
(!MaxDepth) ||
(!UserFunction))
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/*
* Lock the namespace around the walk.
* The namespace will be unlocked/locked around each call
* to the user function - since this function
* must be allowed to make Acpi calls itself.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Status = AcpiNsWalkNamespace (Type, StartObject, MaxDepth,
ACPI_NS_WALK_UNLOCK,
UserFunction, Context, ReturnValue);
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
return_ACPI_STATUS (Status);
}
void
AcpiNsDumpObjects (
ACPI_OBJECT_TYPE8 Type,
UINT32 MaxDepth,
UINT32 OwnerId,
ACPI_HANDLE StartHandle)
{
ACPI_WALK_INFO Info;
FUNCTION_ENTRY ();
Info.DebugLevel = ACPI_LV_TABLES;
Info.OwnerId = OwnerId;
AcpiNsWalkNamespace (Type, StartHandle, MaxDepth, NS_WALK_NO_UNLOCK, AcpiNsDumpOneObject,
(void *) &Info, NULL);
}
static void
AcpiDbCountNamespaceObjects (
void)
{
UINT32 i;
AcpiGbl_NumNodes = 0;
AcpiGbl_NumObjects = 0;
AcpiGbl_ObjTypeCountMisc = 0;
for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX -1); i++)
{
AcpiGbl_ObjTypeCount [i] = 0;
AcpiGbl_NodeTypeCount [i] = 0;
}
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, AcpiDbClassifyOneObject, NULL, NULL, NULL);
}
void
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId,
UINT32 Function)
{
ACPI_REG_WALK_INFO Info;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
Info.SpaceId = SpaceId;
Info.Function = Function;
Info.RegRunCount = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Running _REG methods for SpaceId %s\n",
AcpiUtGetRegionName (Info.SpaceId)));
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL, &Info, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Executed %u _REG methods for SpaceId %s\n",
Info.RegRunCount, AcpiUtGetRegionName (Info.SpaceId)));
return_VOID;
}
static BOOLEAN
XfObjectExists (
char *Name)
{
ACPI_STATUS Status;
/* Walk entire namespace from the supplied root */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, XfCompareOneNamespaceObject, NULL,
Name, NULL);
if (Status == AE_CTRL_TRUE)
{
/* At least one instance of the name was found */
return (TRUE);
}
return (FALSE);
}
void
AcpiNsDumpObjects (
ACPI_OBJECT_TYPE Type,
UINT8 DisplayType,
UINT32 MaxDepth,
ACPI_OWNER_ID OwnerId,
ACPI_HANDLE StartHandle)
{
ACPI_WALK_INFO Info;
ACPI_STATUS Status;
ACPI_FUNCTION_ENTRY ();
/*
* Just lock the entire namespace for the duration of the dump.
* We don't want any changes to the namespace during this time,
* especially the temporary nodes since we are going to display
* them also.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not acquire namespace mutex\n");
return;
}
Info.Count = 0;
Info.DebugLevel = ACPI_LV_TABLES;
Info.OwnerId = OwnerId;
Info.DisplayType = DisplayType;
(void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
AcpiNsDumpOneObject, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("\nNamespace node count: %u\n\n", Info.Count);
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
}
void
AcpiNsDumpObjects (
ACPI_OBJECT_TYPE Type,
UINT8 DisplayType,
UINT32 MaxDepth,
ACPI_OWNER_ID OwnerId,
ACPI_HANDLE StartHandle)
{
ACPI_WALK_INFO Info;
ACPI_FUNCTION_ENTRY ();
Info.DebugLevel = ACPI_LV_TABLES;
Info.OwnerId = OwnerId;
Info.DisplayType = DisplayType;
(void) AcpiNsWalkNamespace (Type, StartHandle, MaxDepth,
ACPI_NS_WALK_NO_UNLOCK | ACPI_NS_WALK_TEMP_NODES,
AcpiNsDumpOneObject, (void *) &Info, NULL);
}
void
AcpiNsDumpRootDevices (void)
{
ACPI_HANDLE SysBusHandle;
PROC_NAME ("NsDumpRootDevices");
/* Only dump the table if tracing is enabled */
if (!(ACPI_LV_TABLES & AcpiDbgLevel))
{
return;
}
AcpiGetHandle (0, NS_SYSTEM_BUS, &SysBusHandle);
ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Display of all devices in the namespace:\n"));
AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, SysBusHandle, ACPI_UINT32_MAX, NS_WALK_NO_UNLOCK,
AcpiNsDumpOneDevice, NULL, NULL);
}
void
AcpiEvUpdateGpes (
ACPI_OWNER_ID TableOwnerId)
{
ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_GPE_WALK_INFO WalkInfo;
ACPI_STATUS Status = AE_OK;
/*
* Find any _Lxx/_Exx GPE methods that have just been loaded.
*
* Any GPEs that correspond to new _Lxx/_Exx methods are immediately
* enabled.
*
* Examine the namespace underneath each GpeDevice within the
* GpeBlock lists.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (Status))
{
return;
}
WalkInfo.Count = 0;
WalkInfo.OwnerId = TableOwnerId;
WalkInfo.ExecuteByOwnerId = TRUE;
/* Walk the interrupt level descriptor list */
GpeXruptInfo = AcpiGbl_GpeXruptListHead;
while (GpeXruptInfo)
{
/* Walk all Gpe Blocks attached to this interrupt level */
GpeBlock = GpeXruptInfo->GpeBlockListHead;
while (GpeBlock)
{
WalkInfo.GpeBlock = GpeBlock;
WalkInfo.GpeDevice = GpeBlock->Node;
Status = AcpiNsWalkNamespace (ACPI_TYPE_METHOD,
WalkInfo.GpeDevice, ACPI_UINT32_MAX,
ACPI_NS_WALK_NO_UNLOCK, AcpiEvMatchGpeMethod,
NULL, &WalkInfo, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"While decoding _Lxx/_Exx methods"));
}
GpeBlock = GpeBlock->Next;
}
GpeXruptInfo = GpeXruptInfo->Next;
}
if (WalkInfo.Count)
{
ACPI_INFO ((AE_INFO, "Enabled %u new GPEs", WalkInfo.Count));
}
(void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
return;
}
ACPI_STATUS
AcpiWalkNamespace (
ACPI_OBJECT_TYPE Type,
ACPI_HANDLE StartObject,
UINT32 MaxDepth,
ACPI_WALK_CALLBACK DescendingCallback,
ACPI_WALK_CALLBACK AscendingCallback,
void *Context,
void **ReturnValue)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (AcpiWalkNamespace);
/* Parameter validation */
if ((Type > ACPI_TYPE_LOCAL_MAX) ||
(!MaxDepth) ||
(!DescendingCallback && !AscendingCallback))
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/*
* Need to acquire the namespace reader lock to prevent interference
* with any concurrent table unloads (which causes the deletion of
* namespace objects). We cannot allow the deletion of a namespace node
* while the user function is using it. The exception to this are the
* nodes created and deleted during control method execution -- these
* nodes are marked as temporary nodes and are ignored by the namespace
* walk. Thus, control methods can be executed while holding the
* namespace deletion lock (and the user function can execute control
* methods.)
*/
Status = AcpiUtAcquireReadLock (&AcpiGbl_NamespaceRwLock);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Lock the namespace around the walk. The namespace will be
* unlocked/locked around each call to the user function - since the user
* function must be allowed to make ACPICA calls itself (for example, it
* will typically execute control methods during device enumeration.)
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
goto UnlockAndExit;
}
/* Now we can validate the starting node */
if (!AcpiNsValidateHandle (StartObject))
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit2;
}
Status = AcpiNsWalkNamespace (Type, StartObject, MaxDepth,
ACPI_NS_WALK_UNLOCK, DescendingCallback,
AscendingCallback, Context, ReturnValue);
UnlockAndExit2:
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
UnlockAndExit:
(void) AcpiUtReleaseReadLock (&AcpiGbl_NamespaceRwLock);
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiEvCreateGpeBlock (
ACPI_NAMESPACE_NODE *GpeDevice,
UINT64 Address,
UINT8 SpaceId,
UINT32 RegisterCount,
UINT16 GpeBlockBaseNumber,
UINT32 InterruptNumber,
ACPI_GPE_BLOCK_INFO **ReturnGpeBlock)
{
ACPI_STATUS Status;
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_GPE_WALK_INFO WalkInfo;
ACPI_FUNCTION_TRACE (EvCreateGpeBlock);
if (!RegisterCount)
{
return_ACPI_STATUS (AE_OK);
}
/* Allocate a new GPE block */
GpeBlock = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_GPE_BLOCK_INFO));
if (!GpeBlock)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Initialize the new GPE block */
GpeBlock->Address = Address;
GpeBlock->SpaceId = SpaceId;
GpeBlock->Node = GpeDevice;
GpeBlock->GpeCount = (UINT16) (RegisterCount * ACPI_GPE_REGISTER_WIDTH);
GpeBlock->Initialized = FALSE;
GpeBlock->RegisterCount = RegisterCount;
GpeBlock->BlockBaseNumber = GpeBlockBaseNumber;
/*
* Create the RegisterInfo and EventInfo sub-structures
* Note: disables and clears all GPEs in the block
*/
Status = AcpiEvCreateGpeInfoBlocks (GpeBlock);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (GpeBlock);
return_ACPI_STATUS (Status);
}
/* Install the new block in the global lists */
Status = AcpiEvInstallGpeBlock (GpeBlock, InterruptNumber);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (GpeBlock->RegisterInfo);
ACPI_FREE (GpeBlock->EventInfo);
ACPI_FREE (GpeBlock);
return_ACPI_STATUS (Status);
}
AcpiGbl_AllGpesInitialized = FALSE;
/* Find all GPE methods (_Lxx or_Exx) for this block */
WalkInfo.GpeBlock = GpeBlock;
WalkInfo.GpeDevice = GpeDevice;
WalkInfo.ExecuteByOwnerId = FALSE;
Status = AcpiNsWalkNamespace (ACPI_TYPE_METHOD, GpeDevice,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
AcpiEvMatchGpeMethod, NULL, &WalkInfo, NULL);
/* Return the new block */
if (ReturnGpeBlock)
{
(*ReturnGpeBlock) = GpeBlock;
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
" Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X%s\n",
(UINT32) GpeBlock->BlockBaseNumber,
(UINT32) (GpeBlock->BlockBaseNumber + (GpeBlock->GpeCount - 1)),
GpeDevice->Name.Ascii, GpeBlock->RegisterCount, InterruptNumber,
InterruptNumber == AcpiGbl_FADT.SciInterrupt ? " (SCI)" : ""));
/* Update global count of currently available GPEs */
AcpiCurrentGpeCount += GpeBlock->GpeCount;
return_ACPI_STATUS (AE_OK);
}
ACPI_STATUS
AcpiNsInitializeDevices (
UINT32 Flags)
{
ACPI_STATUS Status = AE_OK;
ACPI_DEVICE_WALK_INFO Info;
ACPI_HANDLE Handle;
ACPI_FUNCTION_TRACE (NsInitializeDevices);
if (!(Flags & ACPI_NO_DEVICE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Initializing ACPI Devices\n"));
/* Init counters */
Info.DeviceCount = 0;
Info.Num_STA = 0;
Info.Num_INI = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
"Initializing Device/Processor/Thermal objects "
"and executing _INI/_STA methods:\n"));
/* Tree analysis: find all subtrees that contain _INI methods */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, AcpiNsFindIniMethods, NULL, &Info, NULL);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
/* Allocate the evaluation information block */
Info.EvaluateInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
if (!Info.EvaluateInfo)
{
Status = AE_NO_MEMORY;
goto ErrorExit;
}
/*
* Execute the "global" _INI method that may appear at the root.
* This support is provided for Windows compatibility (Vista+) and
* is not part of the ACPI specification.
*/
Info.EvaluateInfo->PrefixNode = AcpiGbl_RootNode;
Info.EvaluateInfo->RelativePathname = METHOD_NAME__INI;
Info.EvaluateInfo->Parameters = NULL;
Info.EvaluateInfo->Flags = ACPI_IGNORE_RETURN_VALUE;
Status = AcpiNsEvaluate (Info.EvaluateInfo);
if (ACPI_SUCCESS (Status))
{
Info.Num_INI++;
}
/*
* Execute \_SB._INI.
* There appears to be a strict order requirement for \_SB._INI,
* which should be evaluated before any _REG evaluations.
*/
Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
if (ACPI_SUCCESS (Status))
{
memset (Info.EvaluateInfo, 0, sizeof (ACPI_EVALUATE_INFO));
Info.EvaluateInfo->PrefixNode = Handle;
Info.EvaluateInfo->RelativePathname = METHOD_NAME__INI;
Info.EvaluateInfo->Parameters = NULL;
Info.EvaluateInfo->Flags = ACPI_IGNORE_RETURN_VALUE;
Status = AcpiNsEvaluate (Info.EvaluateInfo);
if (ACPI_SUCCESS (Status))
{
Info.Num_INI++;
}
}
}
/*
* Run all _REG methods
*
* Note: Any objects accessed by the _REG methods will be automatically
* initialized, even if they contain executable AML (see the call to
* AcpiNsInitializeObjects below).
*
* Note: According to the ACPI specification, we actually needn't execute
* _REG for SystemMemory/SystemIo operation regions, but for PCI_Config
* operation regions, it is required to evaluate _REG for those on a PCI
* root bus that doesn't contain _BBN object. So this code is kept here
* in order not to break things.
*/
if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Executing _REG OpRegion methods\n"));
Status = AcpiEvInitializeOpRegions ();
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
}
if (!(Flags & ACPI_NO_DEVICE_INIT))
{
/* Walk namespace to execute all _INIs on present devices */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, NULL, &Info, NULL);
/*
* Any _OSI requests should be completed by now. If the BIOS has
* requested any Windows OSI strings, we will always truncate
* I/O addresses to 16 bits -- for Windows compatibility.
*/
if (AcpiGbl_OsiData >= ACPI_OSI_WIN_2000)
{
AcpiGbl_TruncateIoAddresses = TRUE;
}
ACPI_FREE (Info.EvaluateInfo);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
" Executed %u _INI methods requiring %u _STA executions "
"(examined %u objects)\n",
Info.Num_INI, Info.Num_STA, Info.DeviceCount));
}
return_ACPI_STATUS (Status);
ErrorExit:
ACPI_EXCEPTION ((AE_INFO, Status, "During device initialization"));
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiInstallAddressSpaceHandler (
ACPI_HANDLE Device,
ACPI_ADR_SPACE_TYPE SpaceId,
ACPI_ADR_SPACE_HANDLER Handler,
ACPI_ADR_SPACE_SETUP Setup,
void *Context)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *HandlerObj;
ACPI_NAMESPACE_NODE *Node;
ACPI_STATUS Status;
ACPI_OBJECT_TYPE Type;
UINT16 Flags = 0;
ACPI_FUNCTION_TRACE ("AcpiInstallAddressSpaceHandler");
/* Parameter validation */
if (!Device)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Convert and validate the device handle */
Node = AcpiNsMapHandleToNode (Device);
if (!Node)
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
/*
* This registration is valid for only the types below
* and the root. This is where the default handlers
* get placed.
*/
if ((Node->Type != ACPI_TYPE_DEVICE) &&
(Node->Type != ACPI_TYPE_PROCESSOR) &&
(Node->Type != ACPI_TYPE_THERMAL) &&
(Node != AcpiGbl_RootNode))
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
if (Handler == ACPI_DEFAULT_HANDLER)
{
Flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
switch (SpaceId)
{
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
Handler = AcpiExSystemMemorySpaceHandler;
Setup = AcpiEvSystemMemoryRegionSetup;
break;
case ACPI_ADR_SPACE_SYSTEM_IO:
Handler = AcpiExSystemIoSpaceHandler;
Setup = AcpiEvIoSpaceRegionSetup;
break;
case ACPI_ADR_SPACE_PCI_CONFIG:
Handler = AcpiExPciConfigSpaceHandler;
Setup = AcpiEvPciConfigRegionSetup;
break;
case ACPI_ADR_SPACE_CMOS:
Handler = AcpiExCmosSpaceHandler;
Setup = AcpiEvCmosRegionSetup;
break;
case ACPI_ADR_SPACE_PCI_BAR_TARGET:
Handler = AcpiExPciBarSpaceHandler;
Setup = AcpiEvPciBarRegionSetup;
break;
case ACPI_ADR_SPACE_DATA_TABLE:
Handler = AcpiExDataTableSpaceHandler;
Setup = NULL;
break;
default:
Status = AE_NOT_EXIST;
goto UnlockAndExit;
}
}
/*
* If the caller hasn't specified a setup routine, use the default
*/
if (!Setup)
{
Setup = AcpiEvDefaultRegionSetup;
}
/*
* Check for an existing internal object
*/
ObjDesc = AcpiNsGetAttachedObject (Node);
if (ObjDesc)
{
/*
* The object exists.
* Make sure the handler is not already installed.
*/
/* check the address handler the user requested */
HandlerObj = ObjDesc->Device.AddrHandler;
while (HandlerObj)
{
/*
* We have an Address handler, see if user requested this
* address space.
*/
if(HandlerObj->AddrHandler.SpaceId == SpaceId)
{
Status = AE_ALREADY_EXISTS;
goto UnlockAndExit;
}
/*
* Move through the linked list of handlers
*/
HandlerObj = HandlerObj->AddrHandler.Next;
}
}
else
{
ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
"Creating object on Device %p while installing handler\n", Node));
/* ObjDesc does not exist, create one */
if (Node->Type == ACPI_TYPE_ANY)
{
Type = ACPI_TYPE_DEVICE;
}
else
{
Type = Node->Type;
}
ObjDesc = AcpiUtCreateInternalObject (Type);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
goto UnlockAndExit;
}
/* Init new descriptor */
ObjDesc->Common.Type = (UINT8) Type;
/* Attach the new object to the Node */
Status = AcpiNsAttachObject (Node, ObjDesc, Type);
if (ACPI_FAILURE (Status))
{
AcpiUtRemoveReference (ObjDesc);
goto UnlockAndExit;
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
"Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
AcpiUtGetRegionName (SpaceId), SpaceId, Node->Name.Ascii, Node, ObjDesc));
/*
* Now we can install the handler
*
* At this point we know that there is no existing handler.
* So, we just allocate the object for the handler and link it
* into the list.
*/
HandlerObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
if (!HandlerObj)
{
Status = AE_NO_MEMORY;
goto UnlockAndExit;
}
HandlerObj->AddrHandler.SpaceId = (UINT8) SpaceId;
HandlerObj->AddrHandler.Hflags = Flags;
HandlerObj->AddrHandler.Next = ObjDesc->Device.AddrHandler;
HandlerObj->AddrHandler.RegionList = NULL;
HandlerObj->AddrHandler.Node = Node;
HandlerObj->AddrHandler.Handler = Handler;
HandlerObj->AddrHandler.Context = Context;
HandlerObj->AddrHandler.Setup = Setup;
/*
* Now walk the namespace finding all of the regions this
* handler will manage.
*
* We start at the device and search the branch toward
* the leaf nodes until either the leaf is encountered or
* a device is detected that has an address handler of the
* same type.
*
* In either case we back up and search down the remainder
* of the branch
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, Device,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
AcpiEvAddrHandlerHelper,
HandlerObj, NULL);
/*
* Place this handler 1st on the list
*/
HandlerObj->Common.ReferenceCount =
(UINT16) (HandlerObj->Common.ReferenceCount +
ObjDesc->Common.ReferenceCount - 1);
ObjDesc->Device.AddrHandler = HandlerObj;
UnlockAndExit:
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
return_ACPI_STATUS (Status);
}
void
AcpiEvUpdateGpes (
ACPI_OWNER_ID TableOwnerId)
{
ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_GPE_WALK_INFO WalkInfo;
ACPI_STATUS Status = AE_OK;
UINT32 NewWakeGpeCount = 0;
/* We will examine only _PRW/_Lxx/_Exx methods owned by this table */
WalkInfo.OwnerId = TableOwnerId;
WalkInfo.ExecuteByOwnerId = TRUE;
WalkInfo.Count = 0;
if (AcpiGbl_LeaveWakeGpesDisabled)
{
/*
* 1) Run any newly-loaded _PRW methods to find any GPEs that
* can now be marked as CAN_WAKE GPEs. Note: We must run the
* _PRW methods before we process the _Lxx/_Exx methods because
* we will enable all runtime GPEs associated with the new
* _Lxx/_Exx methods at the time we process those methods.
*
* Unlock interpreter so that we can run the _PRW methods.
*/
WalkInfo.GpeBlock = NULL;
WalkInfo.GpeDevice = NULL;
AcpiExExitInterpreter ();
Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
AcpiEvMatchPrwAndGpe, NULL, &WalkInfo, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"While executing _PRW methods"));
}
AcpiExEnterInterpreter ();
NewWakeGpeCount = WalkInfo.Count;
}
/*
* 2) Find any _Lxx/_Exx GPE methods that have just been loaded.
*
* Any GPEs that correspond to new _Lxx/_Exx methods and are not
* marked as CAN_WAKE are immediately enabled.
*
* Examine the namespace underneath each GpeDevice within the
* GpeBlock lists.
*/
Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (Status))
{
return;
}
WalkInfo.Count = 0;
WalkInfo.EnableThisGpe = TRUE;
/* Walk the interrupt level descriptor list */
GpeXruptInfo = AcpiGbl_GpeXruptListHead;
while (GpeXruptInfo)
{
/* Walk all Gpe Blocks attached to this interrupt level */
GpeBlock = GpeXruptInfo->GpeBlockListHead;
while (GpeBlock)
{
WalkInfo.GpeBlock = GpeBlock;
WalkInfo.GpeDevice = GpeBlock->Node;
Status = AcpiNsWalkNamespace (ACPI_TYPE_METHOD,
WalkInfo.GpeDevice, ACPI_UINT32_MAX,
ACPI_NS_WALK_NO_UNLOCK, AcpiEvMatchGpeMethod,
NULL, &WalkInfo, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"While decoding _Lxx/_Exx methods"));
}
GpeBlock = GpeBlock->Next;
}
GpeXruptInfo = GpeXruptInfo->Next;
}
if (WalkInfo.Count || NewWakeGpeCount)
{
ACPI_INFO ((AE_INFO,
"Enabled %u new runtime GPEs, added %u new wakeup GPEs",
WalkInfo.Count, NewWakeGpeCount));
}
(void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
return;
}
ACPI_STATUS
AcpiEvInstallSpaceHandler (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId,
ACPI_ADR_SPACE_HANDLER Handler,
ACPI_ADR_SPACE_SETUP Setup,
void *Context)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *HandlerObj;
ACPI_STATUS Status = AE_OK;
ACPI_OBJECT_TYPE Type;
UINT8 Flags = 0;
ACPI_FUNCTION_TRACE (EvInstallSpaceHandler);
/*
* This registration is valid for only the types below and the root.
* The root node is where the default handlers get installed.
*/
if ((Node->Type != ACPI_TYPE_DEVICE) &&
(Node->Type != ACPI_TYPE_PROCESSOR) &&
(Node->Type != ACPI_TYPE_THERMAL) &&
(Node != AcpiGbl_RootNode))
{
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
if (Handler == ACPI_DEFAULT_HANDLER)
{
Flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
switch (SpaceId)
{
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
Handler = AcpiExSystemMemorySpaceHandler;
Setup = AcpiEvSystemMemoryRegionSetup;
break;
case ACPI_ADR_SPACE_SYSTEM_IO:
Handler = AcpiExSystemIoSpaceHandler;
Setup = AcpiEvIoSpaceRegionSetup;
break;
case ACPI_ADR_SPACE_PCI_CONFIG:
Handler = AcpiExPciConfigSpaceHandler;
Setup = AcpiEvPciConfigRegionSetup;
break;
case ACPI_ADR_SPACE_CMOS:
Handler = AcpiExCmosSpaceHandler;
Setup = AcpiEvCmosRegionSetup;
break;
case ACPI_ADR_SPACE_PCI_BAR_TARGET:
Handler = AcpiExPciBarSpaceHandler;
Setup = AcpiEvPciBarRegionSetup;
break;
case ACPI_ADR_SPACE_DATA_TABLE:
Handler = AcpiExDataTableSpaceHandler;
Setup = NULL;
break;
default:
Status = AE_BAD_PARAMETER;
goto UnlockAndExit;
}
}
/* If the caller hasn't specified a setup routine, use the default */
if (!Setup)
{
Setup = AcpiEvDefaultRegionSetup;
}
/* Check for an existing internal object */
ObjDesc = AcpiNsGetAttachedObject (Node);
if (ObjDesc)
{
/*
* The attached device object already exists. Now make sure
* the handler is not already installed.
*/
HandlerObj = AcpiEvFindRegionHandler (SpaceId,
ObjDesc->CommonNotify.Handler);
if (HandlerObj)
{
if (HandlerObj->AddressSpace.Handler == Handler)
{
/*
* It is (relatively) OK to attempt to install the SAME
* handler twice. This can easily happen with the
* PCI_Config space.
*/
Status = AE_SAME_HANDLER;
goto UnlockAndExit;
}
else
{
/* A handler is already installed */
Status = AE_ALREADY_EXISTS;
}
goto UnlockAndExit;
}
}
else
{
ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
"Creating object on Device %p while installing handler\n",
Node));
/* ObjDesc does not exist, create one */
if (Node->Type == ACPI_TYPE_ANY)
{
Type = ACPI_TYPE_DEVICE;
}
else
{
Type = Node->Type;
}
ObjDesc = AcpiUtCreateInternalObject (Type);
if (!ObjDesc)
{
Status = AE_NO_MEMORY;
goto UnlockAndExit;
}
/* Init new descriptor */
ObjDesc->Common.Type = (UINT8) Type;
/* Attach the new object to the Node */
Status = AcpiNsAttachObject (Node, ObjDesc, Type);
/* Remove local reference to the object */
AcpiUtRemoveReference (ObjDesc);
if (ACPI_FAILURE (Status))
{
goto UnlockAndExit;
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
"Installing address handler for region %s(%X) "
"on Device %4.4s %p(%p)\n",
AcpiUtGetRegionName (SpaceId), SpaceId,
AcpiUtGetNodeName (Node), Node, ObjDesc));
/*
* Install the handler
*
* At this point there is no existing handler. Just allocate the object
* for the handler and link it into the list.
*/
HandlerObj = AcpiUtCreateInternalObject (ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
if (!HandlerObj)
{
Status = AE_NO_MEMORY;
goto UnlockAndExit;
}
/* Init handler obj */
HandlerObj->AddressSpace.SpaceId = (UINT8) SpaceId;
HandlerObj->AddressSpace.HandlerFlags = Flags;
HandlerObj->AddressSpace.RegionList = NULL;
HandlerObj->AddressSpace.Node = Node;
HandlerObj->AddressSpace.Handler = Handler;
HandlerObj->AddressSpace.Context = Context;
HandlerObj->AddressSpace.Setup = Setup;
/* Install at head of Device.AddressSpace list */
HandlerObj->AddressSpace.Next = ObjDesc->CommonNotify.Handler;
/*
* The Device object is the first reference on the HandlerObj.
* Each region that uses the handler adds a reference.
*/
ObjDesc->CommonNotify.Handler = HandlerObj;
/*
* Walk the namespace finding all of the regions this handler will
* manage.
*
* Start at the device and search the branch toward the leaf nodes
* until either the leaf is encountered or a device is detected that
* has an address handler of the same type.
*
* In either case, back up and search down the remainder of the branch
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
AcpiEvInstallHandler, NULL, HandlerObj, NULL);
UnlockAndExit:
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiEvCreateGpeBlock (
ACPI_NAMESPACE_NODE *GpeDevice,
ACPI_GENERIC_ADDRESS *GpeBlockAddress,
UINT32 RegisterCount,
UINT8 GpeBlockBaseNumber,
UINT32 InterruptNumber,
ACPI_GPE_BLOCK_INFO **ReturnGpeBlock)
{
ACPI_STATUS Status;
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_FUNCTION_TRACE (EvCreateGpeBlock);
if (!RegisterCount)
{
return_ACPI_STATUS (AE_OK);
}
/* Allocate a new GPE block */
GpeBlock = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_GPE_BLOCK_INFO));
if (!GpeBlock)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Initialize the new GPE block */
GpeBlock->Node = GpeDevice;
GpeBlock->RegisterCount = RegisterCount;
GpeBlock->BlockBaseNumber = GpeBlockBaseNumber;
ACPI_MEMCPY (&GpeBlock->BlockAddress, GpeBlockAddress,
sizeof (ACPI_GENERIC_ADDRESS));
/*
* Create the RegisterInfo and EventInfo sub-structures
* Note: disables and clears all GPEs in the block
*/
Status = AcpiEvCreateGpeInfoBlocks (GpeBlock);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (GpeBlock);
return_ACPI_STATUS (Status);
}
/* Install the new block in the global lists */
Status = AcpiEvInstallGpeBlock (GpeBlock, InterruptNumber);
if (ACPI_FAILURE (Status))
{
ACPI_FREE (GpeBlock);
return_ACPI_STATUS (Status);
}
/* Find all GPE methods (_Lxx, _Exx) for this block */
Status = AcpiNsWalkNamespace (ACPI_TYPE_METHOD, GpeDevice,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
AcpiEvSaveMethodInfo, NULL, GpeBlock, NULL);
/* Return the new block */
if (ReturnGpeBlock)
{
(*ReturnGpeBlock) = GpeBlock;
}
ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
"GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
(UINT32) GpeBlock->BlockBaseNumber,
(UINT32) (GpeBlock->BlockBaseNumber +
((GpeBlock->RegisterCount * ACPI_GPE_REGISTER_WIDTH) -1)),
GpeDevice->Name.Ascii,
GpeBlock->RegisterCount,
InterruptNumber));
/* Update global count of currently available GPEs */
AcpiCurrentGpeCount += RegisterCount * ACPI_GPE_REGISTER_WIDTH;
return_ACPI_STATUS (AE_OK);
}
ACPI_STATUS
AcpiEvInitializeGpeBlock (
ACPI_NAMESPACE_NODE *GpeDevice,
ACPI_GPE_BLOCK_INFO *GpeBlock)
{
ACPI_STATUS Status;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
ACPI_GPE_WALK_INFO GpeInfo;
UINT32 WakeGpeCount;
UINT32 GpeEnabledCount;
UINT32 i;
UINT32 j;
ACPI_FUNCTION_TRACE (EvInitializeGpeBlock);
/* Ignore a null GPE block (e.g., if no GPE block 1 exists) */
if (!GpeBlock)
{
return_ACPI_STATUS (AE_OK);
}
/*
* Runtime option: Should wake GPEs be enabled at runtime? The default
* is no, they should only be enabled just as the machine goes to sleep.
*/
if (AcpiGbl_LeaveWakeGpesDisabled)
{
/*
* Differentiate runtime vs wake GPEs, via the _PRW control methods.
* Each GPE that has one or more _PRWs that reference it is by
* definition a wake GPE and will not be enabled while the machine
* is running.
*/
GpeInfo.GpeBlock = GpeBlock;
GpeInfo.GpeDevice = GpeDevice;
Status = AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
AcpiEvMatchPrwAndGpe, NULL, &GpeInfo, NULL);
}
/*
* Enable all GPEs in this block that have these attributes:
* 1) are "runtime" or "run/wake" GPEs, and
* 2) have a corresponding _Lxx or _Exx method
*
* Any other GPEs within this block must be enabled via the
* AcpiEnableGpe() external interface.
*/
WakeGpeCount = 0;
GpeEnabledCount = 0;
for (i = 0; i < GpeBlock->RegisterCount; i++)
{
for (j = 0; j < 8; j++)
{
/* Get the info block for this particular GPE */
GpeEventInfo = &GpeBlock->EventInfo[((ACPI_SIZE) i *
ACPI_GPE_REGISTER_WIDTH) + j];
if (((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD) &&
(GpeEventInfo->Flags & ACPI_GPE_TYPE_RUNTIME))
{
GpeEnabledCount++;
}
if (GpeEventInfo->Flags & ACPI_GPE_TYPE_WAKE)
{
WakeGpeCount++;
}
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_INIT,
"Found %u Wake, Enabled %u Runtime GPEs in this block\n",
WakeGpeCount, GpeEnabledCount));
/* Enable all valid runtime GPEs found above */
Status = AcpiHwEnableRuntimeGpeBlock (NULL, GpeBlock, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_ERROR ((AE_INFO, "Could not enable GPEs in GpeBlock %p",
GpeBlock));
}
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiNsInitializeDevices (
void)
{
ACPI_STATUS Status;
ACPI_DEVICE_WALK_INFO Info;
ACPI_FUNCTION_TRACE (NsInitializeDevices);
/* Init counters */
Info.DeviceCount = 0;
Info.Num_STA = 0;
Info.Num_INI = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
"Initializing Device/Processor/Thermal objects "
"and executing _INI/_STA methods:\n"));
/* Tree analysis: find all subtrees that contain _INI methods */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, AcpiNsFindIniMethods, NULL, &Info, NULL);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
/* Allocate the evaluation information block */
Info.EvaluateInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
if (!Info.EvaluateInfo)
{
Status = AE_NO_MEMORY;
goto ErrorExit;
}
/*
* Execute the "global" _INI method that may appear at the root. This
* support is provided for Windows compatibility (Vista+) and is not
* part of the ACPI specification.
*/
Info.EvaluateInfo->PrefixNode = AcpiGbl_RootNode;
Info.EvaluateInfo->RelativePathname = METHOD_NAME__INI;
Info.EvaluateInfo->Parameters = NULL;
Info.EvaluateInfo->Flags = ACPI_IGNORE_RETURN_VALUE;
Status = AcpiNsEvaluate (Info.EvaluateInfo);
if (ACPI_SUCCESS (Status))
{
Info.Num_INI++;
}
/* Walk namespace to execute all _INIs on present devices */
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE, AcpiNsInitOneDevice, NULL, &Info, NULL);
/*
* Any _OSI requests should be completed by now. If the BIOS has
* requested any Windows OSI strings, we will always truncate
* I/O addresses to 16 bits -- for Windows compatibility.
*/
if (AcpiGbl_OsiData >= ACPI_OSI_WIN_2000)
{
AcpiGbl_TruncateIoAddresses = TRUE;
}
ACPI_FREE (Info.EvaluateInfo);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
" Executed %u _INI methods requiring %u _STA executions "
"(examined %u objects)\n",
Info.Num_INI, Info.Num_STA, Info.DeviceCount));
return_ACPI_STATUS (Status);
ErrorExit:
ACPI_EXCEPTION ((AE_INFO, Status, "During device initialization"));
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiDsInitializeObjects (
UINT32 TableIndex,
ACPI_NAMESPACE_NODE *StartNode)
{
ACPI_STATUS Status;
ACPI_INIT_WALK_INFO Info;
ACPI_TABLE_HEADER *Table;
ACPI_OWNER_ID OwnerId;
ACPI_FUNCTION_TRACE (DsInitializeObjects);
Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:"));
/* Set all init info to zero */
ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO));
Info.OwnerId = OwnerId;
Info.TableIndex = TableIndex;
/* Walk entire namespace from the supplied root */
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* We don't use AcpiWalkNamespace since we do not want to acquire
* the namespace reader lock.
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiDsInitOneObject, NULL, &Info, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace"));
}
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
Status = AcpiGetTableByIndex (TableIndex, &Table);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
"\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
Table->Signature, OwnerId, Info.ObjectCount,
Info.DeviceCount, Info.MethodCount, Info.OpRegionCount));
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
"%u Methods, %u Regions\n", Info.MethodCount, Info.OpRegionCount));
return_ACPI_STATUS (AE_OK);
}
ACPI_STATUS
AcpiDsInitializeObjects (
UINT32 TableIndex,
ACPI_NAMESPACE_NODE *StartNode)
{
ACPI_STATUS Status;
ACPI_INIT_WALK_INFO Info;
ACPI_TABLE_HEADER *Table;
ACPI_OWNER_ID OwnerId;
ACPI_FUNCTION_TRACE (DsInitializeObjects);
Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
/* Set all init info to zero */
memset (&Info, 0, sizeof (ACPI_INIT_WALK_INFO));
Info.OwnerId = OwnerId;
Info.TableIndex = TableIndex;
/* Walk entire namespace from the supplied root */
/*
* We don't use AcpiWalkNamespace since we do not want to acquire
* the namespace reader lock.
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX,
ACPI_NS_WALK_NO_UNLOCK, AcpiDsInitOneObject, NULL, &Info, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace"));
}
Status = AcpiGetTableByIndex (TableIndex, &Table);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* DSDT is always the first AML table */
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
{
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
"\nInitializing Namespace objects:\n"));
}
/* Summary of objects initialized */
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
"Table [%4.4s: %-8.8s] (id %.2X) - %4u Objects with %3u Devices, "
"%3u Regions, %4u Methods (%u/%u/%u Serial/Non/Cvt)\n",
Table->Signature, Table->OemTableId, OwnerId, Info.ObjectCount,
Info.DeviceCount,Info.OpRegionCount, Info.MethodCount,
Info.SerialMethodCount, Info.NonSerialMethodCount,
Info.SerializedMethodCount));
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "%u Methods, %u Regions\n",
Info.MethodCount, Info.OpRegionCount));
return_ACPI_STATUS (AE_OK);
}
