1 /******************************************************************************
3 * Module Name: tbdata - Table manager data structure functions
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acnamesp.h>
155 #include <contrib/dev/acpica/include/actables.h>
156 #include <contrib/dev/acpica/include/acevents.h>
158 #define _COMPONENT ACPI_TABLES
159 ACPI_MODULE_NAME ("tbdata")
162 /*******************************************************************************
164 * FUNCTION: AcpiTbInitTableDescriptor
166 * PARAMETERS: TableDesc - Table descriptor
167 * Address - Physical address of the table
168 * Flags - Allocation flags of the table
169 * Table - Pointer to the table
173 * DESCRIPTION: Initialize a new table descriptor
175 ******************************************************************************/
178 AcpiTbInitTableDescriptor (
179 ACPI_TABLE_DESC *TableDesc,
180 ACPI_PHYSICAL_ADDRESS Address,
182 ACPI_TABLE_HEADER *Table)
186 * Initialize the table descriptor. Set the pointer to NULL, since the
187 * table is not fully mapped at this time.
189 memset (TableDesc, 0, sizeof (ACPI_TABLE_DESC));
190 TableDesc->Address = Address;
191 TableDesc->Length = Table->Length;
192 TableDesc->Flags = Flags;
193 ACPI_MOVE_32_TO_32 (TableDesc->Signature.Ascii, Table->Signature);
197 /*******************************************************************************
199 * FUNCTION: AcpiTbAcquireTable
201 * PARAMETERS: TableDesc - Table descriptor
202 * TablePtr - Where table is returned
203 * TableLength - Where table length is returned
204 * TableFlags - Where table allocation flags are returned
208 * DESCRIPTION: Acquire an ACPI table. It can be used for tables not
209 * maintained in the AcpiGbl_RootTableList.
211 ******************************************************************************/
215 ACPI_TABLE_DESC *TableDesc,
216 ACPI_TABLE_HEADER **TablePtr,
220 ACPI_TABLE_HEADER *Table = NULL;
223 switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK)
225 case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
227 Table = AcpiOsMapMemory (TableDesc->Address, TableDesc->Length);
230 case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
231 case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
233 Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
234 ACPI_PHYSADDR_TO_PTR (TableDesc->Address));
242 /* Table is not valid yet */
246 return (AE_NO_MEMORY);
249 /* Fill the return values */
252 *TableLength = TableDesc->Length;
253 *TableFlags = TableDesc->Flags;
258 /*******************************************************************************
260 * FUNCTION: AcpiTbReleaseTable
262 * PARAMETERS: Table - Pointer for the table
263 * TableLength - Length for the table
264 * TableFlags - Allocation flags for the table
268 * DESCRIPTION: Release a table. The inverse of AcpiTbAcquireTable().
270 ******************************************************************************/
274 ACPI_TABLE_HEADER *Table,
279 switch (TableFlags & ACPI_TABLE_ORIGIN_MASK)
281 case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
283 AcpiOsUnmapMemory (Table, TableLength);
286 case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
287 case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
295 /*******************************************************************************
297 * FUNCTION: AcpiTbAcquireTempTable
299 * PARAMETERS: TableDesc - Table descriptor to be acquired
300 * Address - Address of the table
301 * Flags - Allocation flags of the table
305 * DESCRIPTION: This function validates the table header to obtain the length
306 * of a table and fills the table descriptor to make its state as
307 * "INSTALLED". Such a table descriptor is only used for verified
310 ******************************************************************************/
313 AcpiTbAcquireTempTable (
314 ACPI_TABLE_DESC *TableDesc,
315 ACPI_PHYSICAL_ADDRESS Address,
318 ACPI_TABLE_HEADER *TableHeader;
321 switch (Flags & ACPI_TABLE_ORIGIN_MASK)
323 case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
325 /* Get the length of the full table from the header */
327 TableHeader = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
330 return (AE_NO_MEMORY);
333 AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
334 AcpiOsUnmapMemory (TableHeader, sizeof (ACPI_TABLE_HEADER));
337 case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
338 case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
340 TableHeader = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
341 ACPI_PHYSADDR_TO_PTR (Address));
344 return (AE_NO_MEMORY);
347 AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
355 /* Table is not valid yet */
357 return (AE_NO_MEMORY);
361 /*******************************************************************************
363 * FUNCTION: AcpiTbReleaseTempTable
365 * PARAMETERS: TableDesc - Table descriptor to be released
369 * DESCRIPTION: The inverse of AcpiTbAcquireTempTable().
371 *****************************************************************************/
374 AcpiTbReleaseTempTable (
375 ACPI_TABLE_DESC *TableDesc)
379 * Note that the .Address is maintained by the callers of
380 * AcpiTbAcquireTempTable(), thus do not invoke AcpiTbUninstallTable()
381 * where .Address will be freed.
383 AcpiTbInvalidateTable (TableDesc);
387 /******************************************************************************
389 * FUNCTION: AcpiTbValidateTable
391 * PARAMETERS: TableDesc - Table descriptor
395 * DESCRIPTION: This function is called to validate the table, the returned
396 * table descriptor is in "VALIDATED" state.
398 *****************************************************************************/
401 AcpiTbValidateTable (
402 ACPI_TABLE_DESC *TableDesc)
404 ACPI_STATUS Status = AE_OK;
407 ACPI_FUNCTION_TRACE (TbValidateTable);
410 /* Validate the table if necessary */
412 if (!TableDesc->Pointer)
414 Status = AcpiTbAcquireTable (TableDesc, &TableDesc->Pointer,
415 &TableDesc->Length, &TableDesc->Flags);
416 if (!TableDesc->Pointer)
418 Status = AE_NO_MEMORY;
422 return_ACPI_STATUS (Status);
426 /*******************************************************************************
428 * FUNCTION: AcpiTbInvalidateTable
430 * PARAMETERS: TableDesc - Table descriptor
434 * DESCRIPTION: Invalidate one internal ACPI table, this is the inverse of
435 * AcpiTbValidateTable().
437 ******************************************************************************/
440 AcpiTbInvalidateTable (
441 ACPI_TABLE_DESC *TableDesc)
444 ACPI_FUNCTION_TRACE (TbInvalidateTable);
447 /* Table must be validated */
449 if (!TableDesc->Pointer)
454 AcpiTbReleaseTable (TableDesc->Pointer, TableDesc->Length,
456 TableDesc->Pointer = NULL;
462 /******************************************************************************
464 * FUNCTION: AcpiTbValidateTempTable
466 * PARAMETERS: TableDesc - Table descriptor
470 * DESCRIPTION: This function is called to validate the table, the returned
471 * table descriptor is in "VALIDATED" state.
473 *****************************************************************************/
476 AcpiTbValidateTempTable (
477 ACPI_TABLE_DESC *TableDesc)
480 if (!TableDesc->Pointer && !AcpiGbl_VerifyTableChecksum)
483 * Only validates the header of the table.
484 * Note that Length contains the size of the mapping after invoking
485 * this work around, this value is required by
486 * AcpiTbReleaseTempTable().
487 * We can do this because in AcpiInitTableDescriptor(), the Length
488 * field of the installed descriptor is filled with the actual
489 * table length obtaining from the table header.
491 TableDesc->Length = sizeof (ACPI_TABLE_HEADER);
494 return (AcpiTbValidateTable (TableDesc));
498 /******************************************************************************
500 * FUNCTION: AcpiTbVerifyTempTable
502 * PARAMETERS: TableDesc - Table descriptor
503 * Signature - Table signature to verify
507 * DESCRIPTION: This function is called to validate and verify the table, the
508 * returned table descriptor is in "VALIDATED" state.
510 *****************************************************************************/
513 AcpiTbVerifyTempTable (
514 ACPI_TABLE_DESC *TableDesc,
517 ACPI_STATUS Status = AE_OK;
520 ACPI_FUNCTION_TRACE (TbVerifyTempTable);
523 /* Validate the table */
525 Status = AcpiTbValidateTempTable (TableDesc);
526 if (ACPI_FAILURE (Status))
528 return_ACPI_STATUS (AE_NO_MEMORY);
531 /* If a particular signature is expected (DSDT/FACS), it must match */
534 !ACPI_COMPARE_NAME (&TableDesc->Signature, Signature))
536 ACPI_BIOS_ERROR ((AE_INFO,
537 "Invalid signature 0x%X for ACPI table, expected [%s]",
538 TableDesc->Signature.Integer, Signature));
539 Status = AE_BAD_SIGNATURE;
540 goto InvalidateAndExit;
543 /* Verify the checksum */
545 if (AcpiGbl_VerifyTableChecksum)
547 Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length);
548 if (ACPI_FAILURE (Status))
550 ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
552 " Attempted table install failed",
553 AcpiUtValidNameseg (TableDesc->Signature.Ascii) ?
554 TableDesc->Signature.Ascii : "????",
555 ACPI_FORMAT_UINT64 (TableDesc->Address)));
557 goto InvalidateAndExit;
561 return_ACPI_STATUS (AE_OK);
564 AcpiTbInvalidateTable (TableDesc);
565 return_ACPI_STATUS (Status);
569 /*******************************************************************************
571 * FUNCTION: AcpiTbResizeRootTableList
577 * DESCRIPTION: Expand the size of global table array
579 ******************************************************************************/
582 AcpiTbResizeRootTableList (
585 ACPI_TABLE_DESC *Tables;
589 ACPI_FUNCTION_TRACE (TbResizeRootTableList);
592 /* AllowResize flag is a parameter to AcpiInitializeTables */
594 if (!(AcpiGbl_RootTableList.Flags & ACPI_ROOT_ALLOW_RESIZE))
596 ACPI_ERROR ((AE_INFO, "Resize of Root Table Array is not allowed"));
597 return_ACPI_STATUS (AE_SUPPORT);
600 /* Increase the Table Array size */
602 if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
604 TableCount = AcpiGbl_RootTableList.MaxTableCount;
608 TableCount = AcpiGbl_RootTableList.CurrentTableCount;
611 Tables = ACPI_ALLOCATE_ZEROED (
612 ((ACPI_SIZE) TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT) *
613 sizeof (ACPI_TABLE_DESC));
616 ACPI_ERROR ((AE_INFO, "Could not allocate new root table array"));
617 return_ACPI_STATUS (AE_NO_MEMORY);
620 /* Copy and free the previous table array */
622 if (AcpiGbl_RootTableList.Tables)
624 memcpy (Tables, AcpiGbl_RootTableList.Tables,
625 (ACPI_SIZE) TableCount * sizeof (ACPI_TABLE_DESC));
627 if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
629 ACPI_FREE (AcpiGbl_RootTableList.Tables);
633 AcpiGbl_RootTableList.Tables = Tables;
634 AcpiGbl_RootTableList.MaxTableCount =
635 TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT;
636 AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
638 return_ACPI_STATUS (AE_OK);
642 /*******************************************************************************
644 * FUNCTION: AcpiTbGetNextTableDescriptor
646 * PARAMETERS: TableIndex - Where table index is returned
647 * TableDesc - Where table descriptor is returned
649 * RETURN: Status and table index/descriptor.
651 * DESCRIPTION: Allocate a new ACPI table entry to the global table list
653 ******************************************************************************/
656 AcpiTbGetNextTableDescriptor (
658 ACPI_TABLE_DESC **TableDesc)
664 /* Ensure that there is room for the table in the Root Table List */
666 if (AcpiGbl_RootTableList.CurrentTableCount >=
667 AcpiGbl_RootTableList.MaxTableCount)
669 Status = AcpiTbResizeRootTableList();
670 if (ACPI_FAILURE (Status))
676 i = AcpiGbl_RootTableList.CurrentTableCount;
677 AcpiGbl_RootTableList.CurrentTableCount++;
685 *TableDesc = &AcpiGbl_RootTableList.Tables[i];
692 /*******************************************************************************
694 * FUNCTION: AcpiTbTerminate
700 * DESCRIPTION: Delete all internal ACPI tables
702 ******************************************************************************/
711 ACPI_FUNCTION_TRACE (TbTerminate);
714 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
716 /* Delete the individual tables */
718 for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
720 AcpiTbUninstallTable (&AcpiGbl_RootTableList.Tables[i]);
724 * Delete the root table array if allocated locally. Array cannot be
725 * mapped, so we don't need to check for that flag.
727 if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
729 ACPI_FREE (AcpiGbl_RootTableList.Tables);
732 AcpiGbl_RootTableList.Tables = NULL;
733 AcpiGbl_RootTableList.Flags = 0;
734 AcpiGbl_RootTableList.CurrentTableCount = 0;
736 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n"));
738 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
743 /*******************************************************************************
745 * FUNCTION: AcpiTbDeleteNamespaceByOwner
747 * PARAMETERS: TableIndex - Table index
751 * DESCRIPTION: Delete all namespace objects created when this table was loaded.
753 ******************************************************************************/
756 AcpiTbDeleteNamespaceByOwner (
759 ACPI_OWNER_ID OwnerId;
763 ACPI_FUNCTION_TRACE (TbDeleteNamespaceByOwner);
766 Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
767 if (ACPI_FAILURE (Status))
769 return_ACPI_STATUS (Status);
772 if (TableIndex >= AcpiGbl_RootTableList.CurrentTableCount)
774 /* The table index does not exist */
776 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
777 return_ACPI_STATUS (AE_NOT_EXIST);
780 /* Get the owner ID for this table, used to delete namespace nodes */
782 OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
783 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
786 * Need to acquire the namespace writer lock to prevent interference
787 * with any concurrent namespace walks. The interpreter must be
788 * released during the deletion since the acquisition of the deletion
789 * lock may block, and also since the execution of a namespace walk
790 * must be allowed to use the interpreter.
792 Status = AcpiUtAcquireWriteLock (&AcpiGbl_NamespaceRwLock);
793 if (ACPI_FAILURE (Status))
795 return_ACPI_STATUS (Status);
797 AcpiNsDeleteNamespaceByOwner (OwnerId);
798 AcpiUtReleaseWriteLock (&AcpiGbl_NamespaceRwLock);
799 return_ACPI_STATUS (Status);
803 /*******************************************************************************
805 * FUNCTION: AcpiTbAllocateOwnerId
807 * PARAMETERS: TableIndex - Table index
811 * DESCRIPTION: Allocates OwnerId in TableDesc
813 ******************************************************************************/
816 AcpiTbAllocateOwnerId (
819 ACPI_STATUS Status = AE_BAD_PARAMETER;
822 ACPI_FUNCTION_TRACE (TbAllocateOwnerId);
825 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
826 if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
828 Status = AcpiUtAllocateOwnerId (
829 &(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
832 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
833 return_ACPI_STATUS (Status);
837 /*******************************************************************************
839 * FUNCTION: AcpiTbReleaseOwnerId
841 * PARAMETERS: TableIndex - Table index
845 * DESCRIPTION: Releases OwnerId in TableDesc
847 ******************************************************************************/
850 AcpiTbReleaseOwnerId (
853 ACPI_STATUS Status = AE_BAD_PARAMETER;
856 ACPI_FUNCTION_TRACE (TbReleaseOwnerId);
859 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
860 if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
862 AcpiUtReleaseOwnerId (
863 &(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
867 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
868 return_ACPI_STATUS (Status);
872 /*******************************************************************************
874 * FUNCTION: AcpiTbGetOwnerId
876 * PARAMETERS: TableIndex - Table index
877 * OwnerId - Where the table OwnerId is returned
881 * DESCRIPTION: returns OwnerId for the ACPI table
883 ******************************************************************************/
888 ACPI_OWNER_ID *OwnerId)
890 ACPI_STATUS Status = AE_BAD_PARAMETER;
893 ACPI_FUNCTION_TRACE (TbGetOwnerId);
896 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
897 if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
899 *OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
903 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
904 return_ACPI_STATUS (Status);
908 /*******************************************************************************
910 * FUNCTION: AcpiTbIsTableLoaded
912 * PARAMETERS: TableIndex - Index into the root table
914 * RETURN: Table Loaded Flag
916 ******************************************************************************/
919 AcpiTbIsTableLoaded (
922 BOOLEAN IsLoaded = FALSE;
925 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
926 if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
929 (AcpiGbl_RootTableList.Tables[TableIndex].Flags &
930 ACPI_TABLE_IS_LOADED);
933 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
938 /*******************************************************************************
940 * FUNCTION: AcpiTbSetTableLoadedFlag
942 * PARAMETERS: TableIndex - Table index
943 * IsLoaded - TRUE if table is loaded, FALSE otherwise
947 * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
949 ******************************************************************************/
952 AcpiTbSetTableLoadedFlag (
957 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
958 if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
962 AcpiGbl_RootTableList.Tables[TableIndex].Flags |=
963 ACPI_TABLE_IS_LOADED;
967 AcpiGbl_RootTableList.Tables[TableIndex].Flags &=
968 ~ACPI_TABLE_IS_LOADED;
972 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
976 /*******************************************************************************
978 * FUNCTION: AcpiTbLoadTable
980 * PARAMETERS: TableIndex - Table index
981 * ParentNode - Where table index is returned
985 * DESCRIPTION: Load an ACPI table
987 ******************************************************************************/
992 ACPI_NAMESPACE_NODE *ParentNode)
994 ACPI_TABLE_HEADER *Table;
996 ACPI_OWNER_ID OwnerId;
999 ACPI_FUNCTION_TRACE (TbLoadTable);
1003 * Note: Now table is "INSTALLED", it must be validated before
1006 Status = AcpiGetTableByIndex (TableIndex, &Table);
1007 if (ACPI_FAILURE (Status))
1009 return_ACPI_STATUS (Status);
1012 Status = AcpiNsLoadTable (TableIndex, ParentNode);
1014 /* Execute any module-level code that was found in the table */
1016 if (!AcpiGbl_ParseTableAsTermList && AcpiGbl_GroupModuleLevelCode)
1018 AcpiNsExecModuleCodeList ();
1022 * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is
1023 * responsible for discovering any new wake GPEs by running _PRW methods
1024 * that may have been loaded by this table.
1026 Status = AcpiTbGetOwnerId (TableIndex, &OwnerId);
1027 if (ACPI_SUCCESS (Status))
1029 AcpiEvUpdateGpes (OwnerId);
1032 /* Invoke table handler if present */
1034 if (AcpiGbl_TableHandler)
1036 (void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_LOAD, Table,
1037 AcpiGbl_TableHandlerContext);
1040 return_ACPI_STATUS (Status);
1044 /*******************************************************************************
1046 * FUNCTION: AcpiTbInstallAndLoadTable
1048 * PARAMETERS: Address - Physical address of the table
1049 * Flags - Allocation flags of the table
1050 * Override - Whether override should be performed
1051 * TableIndex - Where table index is returned
1055 * DESCRIPTION: Install and load an ACPI table
1057 ******************************************************************************/
1060 AcpiTbInstallAndLoadTable (
1061 ACPI_PHYSICAL_ADDRESS Address,
1070 ACPI_FUNCTION_TRACE (TbInstallAndLoadTable);
1073 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
1075 /* Install the table and load it into the namespace */
1077 Status = AcpiTbInstallStandardTable (Address, Flags, TRUE,
1079 if (ACPI_FAILURE (Status))
1084 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
1085 Status = AcpiTbLoadTable (i, AcpiGbl_RootNode);
1086 (void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
1090 (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
1091 return_ACPI_STATUS (Status);
1095 /*******************************************************************************
1097 * FUNCTION: AcpiTbUnloadTable
1099 * PARAMETERS: TableIndex - Table index
1103 * DESCRIPTION: Unload an ACPI table
1105 ******************************************************************************/
1111 ACPI_STATUS Status = AE_OK;
1112 ACPI_TABLE_HEADER *Table;
1115 ACPI_FUNCTION_TRACE (TbUnloadTable);
1118 /* Ensure the table is still loaded */
1120 if (!AcpiTbIsTableLoaded (TableIndex))
1122 return_ACPI_STATUS (AE_NOT_EXIST);
1125 /* Invoke table handler if present */
1127 if (AcpiGbl_TableHandler)
1129 Status = AcpiGetTableByIndex (TableIndex, &Table);
1130 if (ACPI_SUCCESS (Status))
1132 (void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_UNLOAD, Table,
1133 AcpiGbl_TableHandlerContext);
1137 /* Delete the portion of the namespace owned by this table */
1139 Status = AcpiTbDeleteNamespaceByOwner (TableIndex);
1140 if (ACPI_FAILURE (Status))
1142 return_ACPI_STATUS (Status);
1145 (void) AcpiTbReleaseOwnerId (TableIndex);
1146 AcpiTbSetTableLoadedFlag (TableIndex, FALSE);
1147 return_ACPI_STATUS (Status);