899 lines
30 KiB
C
899 lines
30 KiB
C
/******************************************************************************
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*
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* Module Name: nsrepair2 - Repair for objects returned by specific
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* predefined methods
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __NSREPAIR2_C__
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#include "acpi.h"
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#include "accommon.h"
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#include "acnamesp.h"
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#define _COMPONENT ACPI_NAMESPACE
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ACPI_MODULE_NAME ("nsrepair2")
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/*
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* Information structure and handler for ACPI predefined names that can
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* be repaired on a per-name basis.
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*/
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typedef
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ACPI_STATUS (*ACPI_REPAIR_FUNCTION) (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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typedef struct acpi_repair_info
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{
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char Name[ACPI_NAME_SIZE];
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ACPI_REPAIR_FUNCTION RepairFunction;
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} ACPI_REPAIR_INFO;
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/* Local prototypes */
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static const ACPI_REPAIR_INFO *
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AcpiNsMatchRepairableName (
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ACPI_NAMESPACE_NODE *Node);
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static ACPI_STATUS
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AcpiNsRepair_ALR (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsRepair_CID (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsRepair_FDE (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsRepair_HID (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsRepair_PSS (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsRepair_TSS (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr);
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static ACPI_STATUS
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AcpiNsCheckSortedList (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT *ReturnObject,
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UINT32 ExpectedCount,
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UINT32 SortIndex,
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UINT8 SortDirection,
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char *SortKeyName);
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static void
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AcpiNsSortList (
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ACPI_OPERAND_OBJECT **Elements,
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UINT32 Count,
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UINT32 Index,
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UINT8 SortDirection);
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/* Values for SortDirection above */
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#define ACPI_SORT_ASCENDING 0
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#define ACPI_SORT_DESCENDING 1
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/*
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* This table contains the names of the predefined methods for which we can
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* perform more complex repairs.
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*
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* As necessary:
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*
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* _ALR: Sort the list ascending by AmbientIlluminance
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* _CID: Strings: uppercase all, remove any leading asterisk
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* _FDE: Convert Buffer of BYTEs to a Buffer of DWORDs
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* _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
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* _HID: Strings: uppercase all, remove any leading asterisk
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* _PSS: Sort the list descending by Power
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* _TSS: Sort the list descending by Power
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*
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* Names that must be packages, but cannot be sorted:
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*
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* _BCL: Values are tied to the Package index where they appear, and cannot
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* be moved or sorted. These index values are used for _BQC and _BCM.
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* However, we can fix the case where a buffer is returned, by converting
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* it to a Package of integers.
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*/
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static const ACPI_REPAIR_INFO AcpiNsRepairableNames[] =
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{
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{"_ALR", AcpiNsRepair_ALR},
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{"_CID", AcpiNsRepair_CID},
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{"_FDE", AcpiNsRepair_FDE},
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{"_GTM", AcpiNsRepair_FDE}, /* _GTM has same repair as _FDE */
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{"_HID", AcpiNsRepair_HID},
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{"_PSS", AcpiNsRepair_PSS},
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{"_TSS", AcpiNsRepair_TSS},
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{{0,0,0,0}, NULL} /* Table terminator */
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};
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#define ACPI_FDE_FIELD_COUNT 5
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#define ACPI_FDE_BYTE_BUFFER_SIZE 5
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#define ACPI_FDE_DWORD_BUFFER_SIZE (ACPI_FDE_FIELD_COUNT * sizeof (UINT32))
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/******************************************************************************
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*
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* FUNCTION: AcpiNsComplexRepairs
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*
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* PARAMETERS: Data - Pointer to validation data structure
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* Node - Namespace node for the method/object
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* ValidateStatus - Original status of earlier validation
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* ReturnObjectPtr - Pointer to the object returned from the
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* evaluation of a method or object
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*
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* RETURN: Status. AE_OK if repair was successful. If name is not
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* matched, ValidateStatus is returned.
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*
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* DESCRIPTION: Attempt to repair/convert a return object of a type that was
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* not expected.
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiNsComplexRepairs (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_NAMESPACE_NODE *Node,
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ACPI_STATUS ValidateStatus,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr)
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{
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const ACPI_REPAIR_INFO *Predefined;
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ACPI_STATUS Status;
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/* Check if this name is in the list of repairable names */
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Predefined = AcpiNsMatchRepairableName (Node);
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if (!Predefined)
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{
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return (ValidateStatus);
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}
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Status = Predefined->RepairFunction (Data, ReturnObjectPtr);
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return (Status);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiNsMatchRepairableName
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*
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* PARAMETERS: Node - Namespace node for the method/object
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*
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* RETURN: Pointer to entry in repair table. NULL indicates not found.
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*
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* DESCRIPTION: Check an object name against the repairable object list.
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*
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*****************************************************************************/
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static const ACPI_REPAIR_INFO *
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AcpiNsMatchRepairableName (
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ACPI_NAMESPACE_NODE *Node)
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{
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const ACPI_REPAIR_INFO *ThisName;
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/* Search info table for a repairable predefined method/object name */
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ThisName = AcpiNsRepairableNames;
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while (ThisName->RepairFunction)
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{
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if (ACPI_COMPARE_NAME (Node->Name.Ascii, ThisName->Name))
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{
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return (ThisName);
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}
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ThisName++;
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}
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return (NULL); /* Not found */
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiNsRepair_ALR
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*
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* PARAMETERS: Data - Pointer to validation data structure
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* ReturnObjectPtr - Pointer to the object returned from the
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* evaluation of a method or object
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*
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* RETURN: Status. AE_OK if object is OK or was repaired successfully
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*
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* DESCRIPTION: Repair for the _ALR object. If necessary, sort the object list
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* ascending by the ambient illuminance values.
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*
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*****************************************************************************/
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static ACPI_STATUS
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AcpiNsRepair_ALR (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr)
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{
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ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
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ACPI_STATUS Status;
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Status = AcpiNsCheckSortedList (Data, ReturnObject, 2, 1,
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ACPI_SORT_ASCENDING, "AmbientIlluminance");
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return (Status);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiNsRepair_FDE
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*
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* PARAMETERS: Data - Pointer to validation data structure
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* ReturnObjectPtr - Pointer to the object returned from the
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* evaluation of a method or object
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*
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* RETURN: Status. AE_OK if object is OK or was repaired successfully
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*
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* DESCRIPTION: Repair for the _FDE and _GTM objects. The expected return
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* value is a Buffer of 5 DWORDs. This function repairs a common
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* problem where the return value is a Buffer of BYTEs, not
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* DWORDs.
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*
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*****************************************************************************/
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static ACPI_STATUS
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AcpiNsRepair_FDE (
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ACPI_PREDEFINED_DATA *Data,
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ACPI_OPERAND_OBJECT **ReturnObjectPtr)
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{
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ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
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ACPI_OPERAND_OBJECT *BufferObject;
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UINT8 *ByteBuffer;
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UINT32 *DwordBuffer;
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UINT32 i;
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ACPI_FUNCTION_NAME (NsRepair_FDE);
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switch (ReturnObject->Common.Type)
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{
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case ACPI_TYPE_BUFFER:
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/* This is the expected type. Length should be (at least) 5 DWORDs */
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if (ReturnObject->Buffer.Length >= ACPI_FDE_DWORD_BUFFER_SIZE)
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{
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return (AE_OK);
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}
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/* We can only repair if we have exactly 5 BYTEs */
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if (ReturnObject->Buffer.Length != ACPI_FDE_BYTE_BUFFER_SIZE)
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{
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ACPI_WARN_PREDEFINED ((AE_INFO, Data->Pathname, Data->NodeFlags,
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"Incorrect return buffer length %u, expected %u",
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ReturnObject->Buffer.Length, ACPI_FDE_DWORD_BUFFER_SIZE));
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return (AE_AML_OPERAND_TYPE);
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}
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/* Create the new (larger) buffer object */
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BufferObject = AcpiUtCreateBufferObject (ACPI_FDE_DWORD_BUFFER_SIZE);
|
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if (!BufferObject)
|
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{
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return (AE_NO_MEMORY);
|
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}
|
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|
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/* Expand each byte to a DWORD */
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|
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ByteBuffer = ReturnObject->Buffer.Pointer;
|
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DwordBuffer = ACPI_CAST_PTR (UINT32, BufferObject->Buffer.Pointer);
|
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|
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for (i = 0; i < ACPI_FDE_FIELD_COUNT; i++)
|
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{
|
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*DwordBuffer = (UINT32) *ByteBuffer;
|
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DwordBuffer++;
|
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ByteBuffer++;
|
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}
|
|
|
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ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
|
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"%s Expanded Byte Buffer to expected DWord Buffer\n",
|
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Data->Pathname));
|
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break;
|
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|
|
default:
|
|
return (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
/* Delete the original return object, return the new buffer object */
|
|
|
|
AcpiUtRemoveReference (ReturnObject);
|
|
*ReturnObjectPtr = BufferObject;
|
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|
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Data->Flags |= ACPI_OBJECT_REPAIRED;
|
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return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsRepair_CID
|
|
*
|
|
* PARAMETERS: Data - Pointer to validation data structure
|
|
* ReturnObjectPtr - Pointer to the object returned from the
|
|
* evaluation of a method or object
|
|
*
|
|
* RETURN: Status. AE_OK if object is OK or was repaired successfully
|
|
*
|
|
* DESCRIPTION: Repair for the _CID object. If a string, ensure that all
|
|
* letters are uppercase and that there is no leading asterisk.
|
|
* If a Package, ensure same for all string elements.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiNsRepair_CID (
|
|
ACPI_PREDEFINED_DATA *Data,
|
|
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
|
|
ACPI_OPERAND_OBJECT **ElementPtr;
|
|
ACPI_OPERAND_OBJECT *OriginalElement;
|
|
UINT16 OriginalRefCount;
|
|
UINT32 i;
|
|
|
|
|
|
/* Check for _CID as a simple string */
|
|
|
|
if (ReturnObject->Common.Type == ACPI_TYPE_STRING)
|
|
{
|
|
Status = AcpiNsRepair_HID (Data, ReturnObjectPtr);
|
|
return (Status);
|
|
}
|
|
|
|
/* Exit if not a Package */
|
|
|
|
if (ReturnObject->Common.Type != ACPI_TYPE_PACKAGE)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Examine each element of the _CID package */
|
|
|
|
ElementPtr = ReturnObject->Package.Elements;
|
|
for (i = 0; i < ReturnObject->Package.Count; i++)
|
|
{
|
|
OriginalElement = *ElementPtr;
|
|
OriginalRefCount = OriginalElement->Common.ReferenceCount;
|
|
|
|
Status = AcpiNsRepair_HID (Data, ElementPtr);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
/* Take care with reference counts */
|
|
|
|
if (OriginalElement != *ElementPtr)
|
|
{
|
|
/* Element was replaced */
|
|
|
|
(*ElementPtr)->Common.ReferenceCount =
|
|
OriginalRefCount;
|
|
|
|
AcpiUtRemoveReference (OriginalElement);
|
|
}
|
|
|
|
ElementPtr++;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsRepair_HID
|
|
*
|
|
* PARAMETERS: Data - Pointer to validation data structure
|
|
* ReturnObjectPtr - Pointer to the object returned from the
|
|
* evaluation of a method or object
|
|
*
|
|
* RETURN: Status. AE_OK if object is OK or was repaired successfully
|
|
*
|
|
* DESCRIPTION: Repair for the _HID object. If a string, ensure that all
|
|
* letters are uppercase and that there is no leading asterisk.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiNsRepair_HID (
|
|
ACPI_PREDEFINED_DATA *Data,
|
|
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
|
|
ACPI_OPERAND_OBJECT *NewString;
|
|
char *Source;
|
|
char *Dest;
|
|
|
|
|
|
ACPI_FUNCTION_NAME (NsRepair_HID);
|
|
|
|
|
|
/* We only care about string _HID objects (not integers) */
|
|
|
|
if (ReturnObject->Common.Type != ACPI_TYPE_STRING)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
if (ReturnObject->String.Length == 0)
|
|
{
|
|
ACPI_WARN_PREDEFINED ((AE_INFO, Data->Pathname, Data->NodeFlags,
|
|
"Invalid zero-length _HID or _CID string"));
|
|
|
|
/* Return AE_OK anyway, let driver handle it */
|
|
|
|
Data->Flags |= ACPI_OBJECT_REPAIRED;
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* It is simplest to always create a new string object */
|
|
|
|
NewString = AcpiUtCreateStringObject (ReturnObject->String.Length);
|
|
if (!NewString)
|
|
{
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
/*
|
|
* Remove a leading asterisk if present. For some unknown reason, there
|
|
* are many machines in the field that contains IDs like this.
|
|
*
|
|
* Examples: "*PNP0C03", "*ACPI0003"
|
|
*/
|
|
Source = ReturnObject->String.Pointer;
|
|
if (*Source == '*')
|
|
{
|
|
Source++;
|
|
NewString->String.Length--;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
|
|
"%s: Removed invalid leading asterisk\n", Data->Pathname));
|
|
}
|
|
|
|
/*
|
|
* Copy and uppercase the string. From the ACPI specification:
|
|
*
|
|
* A valid PNP ID must be of the form "AAA####" where A is an uppercase
|
|
* letter and # is a hex digit. A valid ACPI ID must be of the form
|
|
* "ACPI####" where # is a hex digit.
|
|
*/
|
|
for (Dest = NewString->String.Pointer; *Source; Dest++, Source++)
|
|
{
|
|
*Dest = (char) ACPI_TOUPPER (*Source);
|
|
}
|
|
|
|
AcpiUtRemoveReference (ReturnObject);
|
|
*ReturnObjectPtr = NewString;
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsRepair_TSS
|
|
*
|
|
* PARAMETERS: Data - Pointer to validation data structure
|
|
* ReturnObjectPtr - Pointer to the object returned from the
|
|
* evaluation of a method or object
|
|
*
|
|
* RETURN: Status. AE_OK if object is OK or was repaired successfully
|
|
*
|
|
* DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
|
|
* descending by the power dissipation values.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiNsRepair_TSS (
|
|
ACPI_PREDEFINED_DATA *Data,
|
|
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
|
|
ACPI_STATUS Status;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
|
|
|
|
/*
|
|
* We can only sort the _TSS return package if there is no _PSS in the
|
|
* same scope. This is because if _PSS is present, the ACPI specification
|
|
* dictates that the _TSS Power Dissipation field is to be ignored, and
|
|
* therefore some BIOSs leave garbage values in the _TSS Power field(s).
|
|
* In this case, it is best to just return the _TSS package as-is.
|
|
* (May, 2011)
|
|
*/
|
|
Status = AcpiNsGetNode (Data->Node, "^_PSS", ACPI_NS_NO_UPSEARCH, &Node);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
Status = AcpiNsCheckSortedList (Data, ReturnObject, 5, 1,
|
|
ACPI_SORT_DESCENDING, "PowerDissipation");
|
|
|
|
return (Status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsRepair_PSS
|
|
*
|
|
* PARAMETERS: Data - Pointer to validation data structure
|
|
* ReturnObjectPtr - Pointer to the object returned from the
|
|
* evaluation of a method or object
|
|
*
|
|
* RETURN: Status. AE_OK if object is OK or was repaired successfully
|
|
*
|
|
* DESCRIPTION: Repair for the _PSS object. If necessary, sort the object list
|
|
* by the CPU frequencies. Check that the power dissipation values
|
|
* are all proportional to CPU frequency (i.e., sorting by
|
|
* frequency should be the same as sorting by power.)
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiNsRepair_PSS (
|
|
ACPI_PREDEFINED_DATA *Data,
|
|
ACPI_OPERAND_OBJECT **ReturnObjectPtr)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr;
|
|
ACPI_OPERAND_OBJECT **OuterElements;
|
|
UINT32 OuterElementCount;
|
|
ACPI_OPERAND_OBJECT **Elements;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
UINT32 PreviousValue;
|
|
ACPI_STATUS Status;
|
|
UINT32 i;
|
|
|
|
|
|
/*
|
|
* Entries (sub-packages) in the _PSS Package must be sorted by power
|
|
* dissipation, in descending order. If it appears that the list is
|
|
* incorrectly sorted, sort it. We sort by CpuFrequency, since this
|
|
* should be proportional to the power.
|
|
*/
|
|
Status =AcpiNsCheckSortedList (Data, ReturnObject, 6, 0,
|
|
ACPI_SORT_DESCENDING, "CpuFrequency");
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
/*
|
|
* We now know the list is correctly sorted by CPU frequency. Check if
|
|
* the power dissipation values are proportional.
|
|
*/
|
|
PreviousValue = ACPI_UINT32_MAX;
|
|
OuterElements = ReturnObject->Package.Elements;
|
|
OuterElementCount = ReturnObject->Package.Count;
|
|
|
|
for (i = 0; i < OuterElementCount; i++)
|
|
{
|
|
Elements = (*OuterElements)->Package.Elements;
|
|
ObjDesc = Elements[1]; /* Index1 = PowerDissipation */
|
|
|
|
if ((UINT32) ObjDesc->Integer.Value > PreviousValue)
|
|
{
|
|
ACPI_WARN_PREDEFINED ((AE_INFO, Data->Pathname, Data->NodeFlags,
|
|
"SubPackage[%u,%u] - suspicious power dissipation values",
|
|
i-1, i));
|
|
}
|
|
|
|
PreviousValue = (UINT32) ObjDesc->Integer.Value;
|
|
OuterElements++;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsCheckSortedList
|
|
*
|
|
* PARAMETERS: Data - Pointer to validation data structure
|
|
* ReturnObject - Pointer to the top-level returned object
|
|
* ExpectedCount - Minimum length of each sub-package
|
|
* SortIndex - Sub-package entry to sort on
|
|
* SortDirection - Ascending or descending
|
|
* SortKeyName - Name of the SortIndex field
|
|
*
|
|
* RETURN: Status. AE_OK if the list is valid and is sorted correctly or
|
|
* has been repaired by sorting the list.
|
|
*
|
|
* DESCRIPTION: Check if the package list is valid and sorted correctly by the
|
|
* SortIndex. If not, then sort the list.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiNsCheckSortedList (
|
|
ACPI_PREDEFINED_DATA *Data,
|
|
ACPI_OPERAND_OBJECT *ReturnObject,
|
|
UINT32 ExpectedCount,
|
|
UINT32 SortIndex,
|
|
UINT8 SortDirection,
|
|
char *SortKeyName)
|
|
{
|
|
UINT32 OuterElementCount;
|
|
ACPI_OPERAND_OBJECT **OuterElements;
|
|
ACPI_OPERAND_OBJECT **Elements;
|
|
ACPI_OPERAND_OBJECT *ObjDesc;
|
|
UINT32 i;
|
|
UINT32 PreviousValue;
|
|
|
|
|
|
ACPI_FUNCTION_NAME (NsCheckSortedList);
|
|
|
|
|
|
/* The top-level object must be a package */
|
|
|
|
if (ReturnObject->Common.Type != ACPI_TYPE_PACKAGE)
|
|
{
|
|
return (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
/*
|
|
* NOTE: assumes list of sub-packages contains no NULL elements.
|
|
* Any NULL elements should have been removed by earlier call
|
|
* to AcpiNsRemoveNullElements.
|
|
*/
|
|
OuterElements = ReturnObject->Package.Elements;
|
|
OuterElementCount = ReturnObject->Package.Count;
|
|
if (!OuterElementCount)
|
|
{
|
|
return (AE_AML_PACKAGE_LIMIT);
|
|
}
|
|
|
|
PreviousValue = 0;
|
|
if (SortDirection == ACPI_SORT_DESCENDING)
|
|
{
|
|
PreviousValue = ACPI_UINT32_MAX;
|
|
}
|
|
|
|
/* Examine each subpackage */
|
|
|
|
for (i = 0; i < OuterElementCount; i++)
|
|
{
|
|
/* Each element of the top-level package must also be a package */
|
|
|
|
if ((*OuterElements)->Common.Type != ACPI_TYPE_PACKAGE)
|
|
{
|
|
return (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
/* Each sub-package must have the minimum length */
|
|
|
|
if ((*OuterElements)->Package.Count < ExpectedCount)
|
|
{
|
|
return (AE_AML_PACKAGE_LIMIT);
|
|
}
|
|
|
|
Elements = (*OuterElements)->Package.Elements;
|
|
ObjDesc = Elements[SortIndex];
|
|
|
|
if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
|
|
{
|
|
return (AE_AML_OPERAND_TYPE);
|
|
}
|
|
|
|
/*
|
|
* The list must be sorted in the specified order. If we detect a
|
|
* discrepancy, sort the entire list.
|
|
*/
|
|
if (((SortDirection == ACPI_SORT_ASCENDING) &&
|
|
(ObjDesc->Integer.Value < PreviousValue)) ||
|
|
((SortDirection == ACPI_SORT_DESCENDING) &&
|
|
(ObjDesc->Integer.Value > PreviousValue)))
|
|
{
|
|
AcpiNsSortList (ReturnObject->Package.Elements,
|
|
OuterElementCount, SortIndex, SortDirection);
|
|
|
|
Data->Flags |= ACPI_OBJECT_REPAIRED;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
|
|
"%s: Repaired unsorted list - now sorted by %s\n",
|
|
Data->Pathname, SortKeyName));
|
|
return (AE_OK);
|
|
}
|
|
|
|
PreviousValue = (UINT32) ObjDesc->Integer.Value;
|
|
OuterElements++;
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNsSortList
|
|
*
|
|
* PARAMETERS: Elements - Package object element list
|
|
* Count - Element count for above
|
|
* Index - Sort by which package element
|
|
* SortDirection - Ascending or Descending sort
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Sort the objects that are in a package element list.
|
|
*
|
|
* NOTE: Assumes that all NULL elements have been removed from the package,
|
|
* and that all elements have been verified to be of type Integer.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static void
|
|
AcpiNsSortList (
|
|
ACPI_OPERAND_OBJECT **Elements,
|
|
UINT32 Count,
|
|
UINT32 Index,
|
|
UINT8 SortDirection)
|
|
{
|
|
ACPI_OPERAND_OBJECT *ObjDesc1;
|
|
ACPI_OPERAND_OBJECT *ObjDesc2;
|
|
ACPI_OPERAND_OBJECT *TempObj;
|
|
UINT32 i;
|
|
UINT32 j;
|
|
|
|
|
|
/* Simple bubble sort */
|
|
|
|
for (i = 1; i < Count; i++)
|
|
{
|
|
for (j = (Count - 1); j >= i; j--)
|
|
{
|
|
ObjDesc1 = Elements[j-1]->Package.Elements[Index];
|
|
ObjDesc2 = Elements[j]->Package.Elements[Index];
|
|
|
|
if (((SortDirection == ACPI_SORT_ASCENDING) &&
|
|
(ObjDesc1->Integer.Value > ObjDesc2->Integer.Value)) ||
|
|
|
|
((SortDirection == ACPI_SORT_DESCENDING) &&
|
|
(ObjDesc1->Integer.Value < ObjDesc2->Integer.Value)))
|
|
{
|
|
TempObj = Elements[j-1];
|
|
Elements[j-1] = Elements[j];
|
|
Elements[j] = TempObj;
|
|
}
|
|
}
|
|
}
|
|
}
|