dsinit.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer /****************************************************************************** 2 1.1.1.2.2.2 bouyer * 3 1.1.1.2.2.2 bouyer * Module Name: dsinit - Object initialization namespace walk 4 1.1.1.2.2.2 bouyer * 5 1.1.1.2.2.2 bouyer *****************************************************************************/ 6 1.1.1.2.2.2 bouyer 7 1.1.1.2.2.2 bouyer /* 8 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.2.2 bouyer * All rights reserved. 10 1.1.1.2.2.2 bouyer * 11 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.1.2.2.2 bouyer * are met: 14 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.2.2 bouyer * without modification. 17 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.2.2 bouyer * binary redistribution. 22 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.1.1.2.2.2 bouyer * 26 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.2.2 bouyer * Software Foundation. 29 1.1.1.2.2.2 bouyer * 30 1.1.1.2.2.2 bouyer * NO WARRANTY 31 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.2.2 bouyer */ 43 1.1.1.2.2.2 bouyer 44 1.1.1.2.2.2 bouyer #define __DSINIT_C__ 45 1.1.1.2.2.2 bouyer 46 1.1.1.2.2.2 bouyer #include "acpi.h" 47 1.1.1.2.2.2 bouyer #include "accommon.h" 48 1.1.1.2.2.2 bouyer #include "acdispat.h" 49 1.1.1.2.2.2 bouyer #include "acnamesp.h" 50 1.1.1.2.2.2 bouyer #include "actables.h" 51 1.1.1.2.2.2 bouyer 52 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_DISPATCHER 53 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("dsinit") 54 1.1.1.2.2.2 bouyer 55 1.1.1.2.2.2 bouyer /* Local prototypes */ 56 1.1.1.2.2.2 bouyer 57 1.1.1.2.2.2 bouyer static ACPI_STATUS 58 1.1.1.2.2.2 bouyer AcpiDsInitOneObject ( 59 1.1.1.2.2.2 bouyer ACPI_HANDLE ObjHandle, 60 1.1.1.2.2.2 bouyer UINT32 Level, 61 1.1.1.2.2.2 bouyer void *Context, 62 1.1.1.2.2.2 bouyer void **ReturnValue); 63 1.1.1.2.2.2 bouyer 64 1.1.1.2.2.2 bouyer 65 1.1.1.2.2.2 bouyer /******************************************************************************* 66 1.1.1.2.2.2 bouyer * 67 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDsInitOneObject 68 1.1.1.2.2.2 bouyer * 69 1.1.1.2.2.2 bouyer * PARAMETERS: ObjHandle - Node for the object 70 1.1.1.2.2.2 bouyer * Level - Current nesting level 71 1.1.1.2.2.2 bouyer * Context - Points to a init info struct 72 1.1.1.2.2.2 bouyer * ReturnValue - Not used 73 1.1.1.2.2.2 bouyer * 74 1.1.1.2.2.2 bouyer * RETURN: Status 75 1.1.1.2.2.2 bouyer * 76 1.1.1.2.2.2 bouyer * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 77 1.1.1.2.2.2 bouyer * within the namespace. 78 1.1.1.2.2.2 bouyer * 79 1.1.1.2.2.2 bouyer * Currently, the only objects that require initialization are: 80 1.1.1.2.2.2 bouyer * 1) Methods 81 1.1.1.2.2.2 bouyer * 2) Operation Regions 82 1.1.1.2.2.2 bouyer * 83 1.1.1.2.2.2 bouyer ******************************************************************************/ 84 1.1.1.2.2.2 bouyer 85 1.1.1.2.2.2 bouyer static ACPI_STATUS 86 1.1.1.2.2.2 bouyer AcpiDsInitOneObject ( 87 1.1.1.2.2.2 bouyer ACPI_HANDLE ObjHandle, 88 1.1.1.2.2.2 bouyer UINT32 Level, 89 1.1.1.2.2.2 bouyer void *Context, 90 1.1.1.2.2.2 bouyer void **ReturnValue) 91 1.1.1.2.2.2 bouyer { 92 1.1.1.2.2.2 bouyer ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 93 1.1.1.2.2.2 bouyer ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 94 1.1.1.2.2.2 bouyer ACPI_OBJECT_TYPE Type; 95 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 96 1.1.1.2.2.2 bouyer 97 1.1.1.2.2.2 bouyer 98 1.1.1.2.2.2 bouyer ACPI_FUNCTION_ENTRY (); 99 1.1.1.2.2.2 bouyer 100 1.1.1.2.2.2 bouyer 101 1.1.1.2.2.2 bouyer /* 102 1.1.1.2.2.2 bouyer * We are only interested in NS nodes owned by the table that 103 1.1.1.2.2.2 bouyer * was just loaded 104 1.1.1.2.2.2 bouyer */ 105 1.1.1.2.2.2 bouyer if (Node->OwnerId != Info->OwnerId) 106 1.1.1.2.2.2 bouyer { 107 1.1.1.2.2.2 bouyer return (AE_OK); 108 1.1.1.2.2.2 bouyer } 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer Info->ObjectCount++; 111 1.1.1.2.2.2 bouyer 112 1.1.1.2.2.2 bouyer /* And even then, we are only interested in a few object types */ 113 1.1.1.2.2.2 bouyer 114 1.1.1.2.2.2 bouyer Type = AcpiNsGetType (ObjHandle); 115 1.1.1.2.2.2 bouyer 116 1.1.1.2.2.2 bouyer switch (Type) 117 1.1.1.2.2.2 bouyer { 118 1.1.1.2.2.2 bouyer case ACPI_TYPE_REGION: 119 1.1.1.2.2.2 bouyer 120 1.1.1.2.2.2 bouyer Status = AcpiDsInitializeRegion (ObjHandle); 121 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 122 1.1.1.2.2.2 bouyer { 123 1.1.1.2.2.2 bouyer ACPI_EXCEPTION ((AE_INFO, Status, 124 1.1.1.2.2.2 bouyer "During Region initialization %p [%4.4s]", 125 1.1.1.2.2.2 bouyer ObjHandle, AcpiUtGetNodeName (ObjHandle))); 126 1.1.1.2.2.2 bouyer } 127 1.1.1.2.2.2 bouyer 128 1.1.1.2.2.2 bouyer Info->OpRegionCount++; 129 1.1.1.2.2.2 bouyer break; 130 1.1.1.2.2.2 bouyer 131 1.1.1.2.2.2 bouyer 132 1.1.1.2.2.2 bouyer case ACPI_TYPE_METHOD: 133 1.1.1.2.2.2 bouyer 134 1.1.1.2.2.2 bouyer Info->MethodCount++; 135 1.1.1.2.2.2 bouyer break; 136 1.1.1.2.2.2 bouyer 137 1.1.1.2.2.2 bouyer 138 1.1.1.2.2.2 bouyer case ACPI_TYPE_DEVICE: 139 1.1.1.2.2.2 bouyer 140 1.1.1.2.2.2 bouyer Info->DeviceCount++; 141 1.1.1.2.2.2 bouyer break; 142 1.1.1.2.2.2 bouyer 143 1.1.1.2.2.2 bouyer 144 1.1.1.2.2.2 bouyer default: 145 1.1.1.2.2.2 bouyer break; 146 1.1.1.2.2.2 bouyer } 147 1.1.1.2.2.2 bouyer 148 1.1.1.2.2.2 bouyer /* 149 1.1.1.2.2.2 bouyer * We ignore errors from above, and always return OK, since 150 1.1.1.2.2.2 bouyer * we don't want to abort the walk on a single error. 151 1.1.1.2.2.2 bouyer */ 152 1.1.1.2.2.2 bouyer return (AE_OK); 153 1.1.1.2.2.2 bouyer } 154 1.1.1.2.2.2 bouyer 155 1.1.1.2.2.2 bouyer 156 1.1.1.2.2.2 bouyer /******************************************************************************* 157 1.1.1.2.2.2 bouyer * 158 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDsInitializeObjects 159 1.1.1.2.2.2 bouyer * 160 1.1.1.2.2.2 bouyer * PARAMETERS: TableDesc - Descriptor for parent ACPI table 161 1.1.1.2.2.2 bouyer * StartNode - Root of subtree to be initialized. 162 1.1.1.2.2.2 bouyer * 163 1.1.1.2.2.2 bouyer * RETURN: Status 164 1.1.1.2.2.2 bouyer * 165 1.1.1.2.2.2 bouyer * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any 166 1.1.1.2.2.2 bouyer * necessary initialization on the objects found therein 167 1.1.1.2.2.2 bouyer * 168 1.1.1.2.2.2 bouyer ******************************************************************************/ 169 1.1.1.2.2.2 bouyer 170 1.1.1.2.2.2 bouyer ACPI_STATUS 171 1.1.1.2.2.2 bouyer AcpiDsInitializeObjects ( 172 1.1.1.2.2.2 bouyer UINT32 TableIndex, 173 1.1.1.2.2.2 bouyer ACPI_NAMESPACE_NODE *StartNode) 174 1.1.1.2.2.2 bouyer { 175 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 176 1.1.1.2.2.2 bouyer ACPI_INIT_WALK_INFO Info; 177 1.1.1.2.2.2 bouyer ACPI_TABLE_HEADER *Table; 178 1.1.1.2.2.2 bouyer ACPI_OWNER_ID OwnerId; 179 1.1.1.2.2.2 bouyer 180 1.1.1.2.2.2 bouyer 181 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (DsInitializeObjects); 182 1.1.1.2.2.2 bouyer 183 1.1.1.2.2.2 bouyer 184 1.1.1.2.2.2 bouyer Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); 185 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 186 1.1.1.2.2.2 bouyer { 187 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 188 1.1.1.2.2.2 bouyer } 189 1.1.1.2.2.2 bouyer 190 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 191 1.1.1.2.2.2 bouyer "**** Starting initialization of namespace objects ****\n")); 192 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:")); 193 1.1.1.2.2.2 bouyer 194 1.1.1.2.2.2 bouyer /* Set all init info to zero */ 195 1.1.1.2.2.2 bouyer 196 1.1.1.2.2.2 bouyer ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO)); 197 1.1.1.2.2.2 bouyer 198 1.1.1.2.2.2 bouyer Info.OwnerId = OwnerId; 199 1.1.1.2.2.2 bouyer Info.TableIndex = TableIndex; 200 1.1.1.2.2.2 bouyer 201 1.1.1.2.2.2 bouyer /* Walk entire namespace from the supplied root */ 202 1.1.1.2.2.2 bouyer 203 1.1.1.2.2.2 bouyer Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 204 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 205 1.1.1.2.2.2 bouyer { 206 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 207 1.1.1.2.2.2 bouyer } 208 1.1.1.2.2.2 bouyer 209 1.1.1.2.2.2 bouyer /* 210 1.1.1.2.2.2 bouyer * We don't use AcpiWalkNamespace since we do not want to acquire 211 1.1.1.2.2.2 bouyer * the namespace reader lock. 212 1.1.1.2.2.2 bouyer */ 213 1.1.1.2.2.2 bouyer Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX, 214 1.1.1.2.2.2 bouyer ACPI_NS_WALK_UNLOCK, AcpiDsInitOneObject, NULL, &Info, NULL); 215 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 216 1.1.1.2.2.2 bouyer { 217 1.1.1.2.2.2 bouyer ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace")); 218 1.1.1.2.2.2 bouyer } 219 1.1.1.2.2.2 bouyer (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 220 1.1.1.2.2.2 bouyer 221 1.1.1.2.2.2 bouyer Status = AcpiGetTableByIndex (TableIndex, &Table); 222 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 223 1.1.1.2.2.2 bouyer { 224 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 225 1.1.1.2.2.2 bouyer } 226 1.1.1.2.2.2 bouyer 227 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 228 1.1.1.2.2.2 bouyer "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n", 229 1.1.1.2.2.2 bouyer Table->Signature, OwnerId, Info.ObjectCount, 230 1.1.1.2.2.2 bouyer Info.DeviceCount, Info.MethodCount, Info.OpRegionCount)); 231 1.1.1.2.2.2 bouyer 232 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 233 1.1.1.2.2.2 bouyer "%u Methods, %u Regions\n", Info.MethodCount, Info.OpRegionCount)); 234 1.1.1.2.2.2 bouyer 235 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_OK); 236 1.1.1.2.2.2 bouyer } 237 1.1.1.2.2.2 bouyer 238 1.1.1.2.2.2 bouyer 239
Indexes created Tue Sep 30 20:09:53 GMT 2025