diff options
Diffstat (limited to 'usr/src/common/acpica/tables/tbdata.c')
| -rw-r--r-- | usr/src/common/acpica/tables/tbdata.c | 546 |
1 files changed, 512 insertions, 34 deletions
diff --git a/usr/src/common/acpica/tables/tbdata.c b/usr/src/common/acpica/tables/tbdata.c index 31fa25b92e..61a2d340d5 100644 --- a/usr/src/common/acpica/tables/tbdata.c +++ b/usr/src/common/acpica/tables/tbdata.c @@ -4,10 +4,118 @@ * *****************************************************************************/ -/* - * Copyright (C) 2000 - 2016, Intel Corp. +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. * All rights reserved. * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -23,32 +131,93 @@ * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ #include "acpi.h" #include "accommon.h" #include "acnamesp.h" #include "actables.h" +#include "acevents.h" #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME ("tbdata") +/* Local prototypes */ + +static ACPI_STATUS +AcpiTbCheckDuplication ( + ACPI_TABLE_DESC *TableDesc, + UINT32 *TableIndex); + +static BOOLEAN +AcpiTbCompareTables ( + ACPI_TABLE_DESC *TableDesc, + UINT32 TableIndex); + + +/******************************************************************************* + * + * FUNCTION: AcpiTbCompareTables + * + * PARAMETERS: TableDesc - Table 1 descriptor to be compared + * TableIndex - Index of table 2 to be compared + * + * RETURN: TRUE if both tables are identical. + * + * DESCRIPTION: This function compares a table with another table that has + * already been installed in the root table list. + * + ******************************************************************************/ + +static BOOLEAN +AcpiTbCompareTables ( + ACPI_TABLE_DESC *TableDesc, + UINT32 TableIndex) +{ + ACPI_STATUS Status = AE_OK; + BOOLEAN IsIdentical; + ACPI_TABLE_HEADER *Table; + UINT32 TableLength; + UINT8 TableFlags; + + + Status = AcpiTbAcquireTable (&AcpiGbl_RootTableList.Tables[TableIndex], + &Table, &TableLength, &TableFlags); + if (ACPI_FAILURE (Status)) + { + return (FALSE); + } + + /* + * Check for a table match on the entire table length, + * not just the header. + */ + IsIdentical = (BOOLEAN)((TableDesc->Length != TableLength || + memcmp (TableDesc->Pointer, Table, TableLength)) ? + FALSE : TRUE); + + /* Release the acquired table */ + + AcpiTbReleaseTable (Table, TableLength, TableFlags); + return (IsIdentical); +} + /******************************************************************************* * @@ -368,7 +537,7 @@ AcpiTbValidateTempTable ( ACPI_TABLE_DESC *TableDesc) { - if (!TableDesc->Pointer && !AcpiGbl_VerifyTableChecksum) + if (!TableDesc->Pointer && !AcpiGbl_EnableTableValidation) { /* * Only validates the header of the table. @@ -386,24 +555,109 @@ AcpiTbValidateTempTable ( } +/******************************************************************************* + * + * FUNCTION: AcpiTbCheckDuplication + * + * PARAMETERS: TableDesc - Table descriptor + * TableIndex - Where the table index is returned + * + * RETURN: Status + * + * DESCRIPTION: Avoid installing duplicated tables. However table override and + * user aided dynamic table load is allowed, thus comparing the + * address of the table is not sufficient, and checking the entire + * table content is required. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiTbCheckDuplication ( + ACPI_TABLE_DESC *TableDesc, + UINT32 *TableIndex) +{ + UINT32 i; + + + ACPI_FUNCTION_TRACE (TbCheckDuplication); + + + /* Check if table is already registered */ + + for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i) + { + /* Do not compare with unverified tables */ + + if (!(AcpiGbl_RootTableList.Tables[i].Flags & ACPI_TABLE_IS_VERIFIED)) + { + continue; + } + + /* + * Check for a table match on the entire table length, + * not just the header. + */ + if (!AcpiTbCompareTables (TableDesc, i)) + { + continue; + } + + /* + * Note: the current mechanism does not unregister a table if it is + * dynamically unloaded. The related namespace entries are deleted, + * but the table remains in the root table list. + * + * The assumption here is that the number of different tables that + * will be loaded is actually small, and there is minimal overhead + * in just keeping the table in case it is needed again. + * + * If this assumption changes in the future (perhaps on large + * machines with many table load/unload operations), tables will + * need to be unregistered when they are unloaded, and slots in the + * root table list should be reused when empty. + */ + if (AcpiGbl_RootTableList.Tables[i].Flags & + ACPI_TABLE_IS_LOADED) + { + /* Table is still loaded, this is an error */ + + return_ACPI_STATUS (AE_ALREADY_EXISTS); + } + else + { + *TableIndex = i; + return_ACPI_STATUS (AE_CTRL_TERMINATE); + } + } + + /* Indicate no duplication to the caller */ + + return_ACPI_STATUS (AE_OK); +} + + /****************************************************************************** * * FUNCTION: AcpiTbVerifyTempTable * * PARAMETERS: TableDesc - Table descriptor * Signature - Table signature to verify + * TableIndex - Where the table index is returned * * RETURN: Status * * DESCRIPTION: This function is called to validate and verify the table, the * returned table descriptor is in "VALIDATED" state. + * Note that 'TableIndex' is required to be set to !NULL to + * enable duplication check. * *****************************************************************************/ ACPI_STATUS AcpiTbVerifyTempTable ( ACPI_TABLE_DESC *TableDesc, - char *Signature) + char *Signature, + UINT32 *TableIndex) { ACPI_STATUS Status = AE_OK; @@ -431,10 +685,10 @@ AcpiTbVerifyTempTable ( goto InvalidateAndExit; } - /* Verify the checksum */ - - if (AcpiGbl_VerifyTableChecksum) + if (AcpiGbl_EnableTableValidation) { + /* Verify the checksum */ + Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length); if (ACPI_FAILURE (Status)) { @@ -447,9 +701,32 @@ AcpiTbVerifyTempTable ( goto InvalidateAndExit; } + + /* Avoid duplications */ + + if (TableIndex) + { + Status = AcpiTbCheckDuplication (TableDesc, TableIndex); + if (ACPI_FAILURE (Status)) + { + if (Status != AE_CTRL_TERMINATE) + { + ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY, + "%4.4s 0x%8.8X%8.8X" + " Table is duplicated", + AcpiUtValidNameseg (TableDesc->Signature.Ascii) ? + TableDesc->Signature.Ascii : "????", + ACPI_FORMAT_UINT64 (TableDesc->Address))); + } + + goto InvalidateAndExit; + } + } + + TableDesc->Flags |= ACPI_TABLE_IS_VERIFIED; } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS (Status); InvalidateAndExit: AcpiTbInvalidateTable (TableDesc); @@ -475,6 +752,8 @@ AcpiTbResizeRootTableList ( { ACPI_TABLE_DESC *Tables; UINT32 TableCount; + UINT32 CurrentTableCount, MaxTableCount; + UINT32 i; ACPI_FUNCTION_TRACE (TbResizeRootTableList); @@ -499,9 +778,9 @@ AcpiTbResizeRootTableList ( TableCount = AcpiGbl_RootTableList.CurrentTableCount; } + MaxTableCount = TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT; Tables = ACPI_ALLOCATE_ZEROED ( - ((ACPI_SIZE) TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT) * - sizeof (ACPI_TABLE_DESC)); + ((ACPI_SIZE) MaxTableCount) * sizeof (ACPI_TABLE_DESC)); if (!Tables) { ACPI_ERROR ((AE_INFO, "Could not allocate new root table array")); @@ -510,10 +789,19 @@ AcpiTbResizeRootTableList ( /* Copy and free the previous table array */ + CurrentTableCount = 0; if (AcpiGbl_RootTableList.Tables) { - memcpy (Tables, AcpiGbl_RootTableList.Tables, - (ACPI_SIZE) TableCount * sizeof (ACPI_TABLE_DESC)); + for (i = 0; i < TableCount; i++) + { + if (AcpiGbl_RootTableList.Tables[i].Address) + { + memcpy (Tables + CurrentTableCount, + AcpiGbl_RootTableList.Tables + i, + sizeof (ACPI_TABLE_DESC)); + CurrentTableCount++; + } + } if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED) { @@ -522,8 +810,8 @@ AcpiTbResizeRootTableList ( } AcpiGbl_RootTableList.Tables = Tables; - AcpiGbl_RootTableList.MaxTableCount = - TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT; + AcpiGbl_RootTableList.MaxTableCount = MaxTableCount; + AcpiGbl_RootTableList.CurrentTableCount = CurrentTableCount; AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ORIGIN_ALLOCATED; return_ACPI_STATUS (AE_OK); @@ -680,18 +968,13 @@ AcpiTbDeleteNamespaceByOwner ( * lock may block, and also since the execution of a namespace walk * must be allowed to use the interpreter. */ - (void) AcpiUtReleaseMutex (ACPI_MTX_INTERPRETER); Status = AcpiUtAcquireWriteLock (&AcpiGbl_NamespaceRwLock); - - AcpiNsDeleteNamespaceByOwner (OwnerId); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } - + AcpiNsDeleteNamespaceByOwner (OwnerId); AcpiUtReleaseWriteLock (&AcpiGbl_NamespaceRwLock); - - Status = AcpiUtAcquireMutex (ACPI_MTX_INTERPRETER); return_ACPI_STATUS (Status); } @@ -867,3 +1150,198 @@ AcpiTbSetTableLoadedFlag ( (void) AcpiUtReleaseMutex (ACPI_MTX_TABLES); } + + +/******************************************************************************* + * + * FUNCTION: AcpiTbLoadTable + * + * PARAMETERS: TableIndex - Table index + * ParentNode - Where table index is returned + * + * RETURN: Status + * + * DESCRIPTION: Load an ACPI table + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbLoadTable ( + UINT32 TableIndex, + ACPI_NAMESPACE_NODE *ParentNode) +{ + ACPI_TABLE_HEADER *Table; + ACPI_STATUS Status; + ACPI_OWNER_ID OwnerId; + + + ACPI_FUNCTION_TRACE (TbLoadTable); + + + /* + * Note: Now table is "INSTALLED", it must be validated before + * using. + */ + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiNsLoadTable (TableIndex, ParentNode); + + /* + * This case handles the legacy option that groups all module-level + * code blocks together and defers execution until all of the tables + * are loaded. Execute all of these blocks at this time. + * Execute any module-level code that was detected during the table + * load phase. + * + * Note: this option is deprecated and will be eliminated in the + * future. Use of this option can cause problems with AML code that + * depends upon in-order immediate execution of module-level code. + */ + AcpiNsExecModuleCodeList (); + + /* + * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is + * responsible for discovering any new wake GPEs by running _PRW methods + * that may have been loaded by this table. + */ + Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); + if (ACPI_SUCCESS (Status)) + { + AcpiEvUpdateGpes (OwnerId); + } + + /* Invoke table handler */ + + AcpiTbNotifyTable (ACPI_TABLE_EVENT_LOAD, Table); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbInstallAndLoadTable + * + * PARAMETERS: Address - Physical address of the table + * Flags - Allocation flags of the table + * Override - Whether override should be performed + * TableIndex - Where table index is returned + * + * RETURN: Status + * + * DESCRIPTION: Install and load an ACPI table + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbInstallAndLoadTable ( + ACPI_PHYSICAL_ADDRESS Address, + UINT8 Flags, + BOOLEAN Override, + UINT32 *TableIndex) +{ + ACPI_STATUS Status; + UINT32 i; + + + ACPI_FUNCTION_TRACE (TbInstallAndLoadTable); + + + /* Install the table and load it into the namespace */ + + Status = AcpiTbInstallStandardTable (Address, Flags, TRUE, + Override, &i); + if (ACPI_FAILURE (Status)) + { + goto Exit; + } + + Status = AcpiTbLoadTable (i, AcpiGbl_RootNode); + +Exit: + *TableIndex = i; + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbUnloadTable + * + * PARAMETERS: TableIndex - Table index + * + * RETURN: Status + * + * DESCRIPTION: Unload an ACPI table + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbUnloadTable ( + UINT32 TableIndex) +{ + ACPI_STATUS Status = AE_OK; + ACPI_TABLE_HEADER *Table; + + + ACPI_FUNCTION_TRACE (TbUnloadTable); + + + /* Ensure the table is still loaded */ + + if (!AcpiTbIsTableLoaded (TableIndex)) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + /* Invoke table handler */ + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_SUCCESS (Status)) + { + AcpiTbNotifyTable (ACPI_TABLE_EVENT_UNLOAD, Table); + } + + /* Delete the portion of the namespace owned by this table */ + + Status = AcpiTbDeleteNamespaceByOwner (TableIndex); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + (void) AcpiTbReleaseOwnerId (TableIndex); + AcpiTbSetTableLoadedFlag (TableIndex, FALSE); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbNotifyTable + * + * PARAMETERS: Event - Table event + * Table - Validated table pointer + * + * RETURN: None + * + * DESCRIPTION: Notify a table event to the users. + * + ******************************************************************************/ + +void +AcpiTbNotifyTable ( + UINT32 Event, + void *Table) +{ + /* Invoke table handler if present */ + + if (AcpiGbl_TableHandler) + { + (void) AcpiGbl_TableHandler (Event, Table, + AcpiGbl_TableHandlerContext); + } +} |