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); }