869 lines
23 KiB
C
869 lines
23 KiB
C
/******************************************************************************
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*
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* Module Name: tbdata - Table manager data structure functions
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2015, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <contrib/dev/acpica/include/acnamesp.h>
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#include <contrib/dev/acpica/include/actables.h>
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#define _COMPONENT ACPI_TABLES
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ACPI_MODULE_NAME ("tbdata")
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbInitTableDescriptor
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*
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* PARAMETERS: TableDesc - Table descriptor
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* Address - Physical address of the table
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* Flags - Allocation flags of the table
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* Table - Pointer to the table
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialize a new table descriptor
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*
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******************************************************************************/
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void
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AcpiTbInitTableDescriptor (
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ACPI_TABLE_DESC *TableDesc,
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ACPI_PHYSICAL_ADDRESS Address,
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UINT8 Flags,
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ACPI_TABLE_HEADER *Table)
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{
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/*
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* Initialize the table descriptor. Set the pointer to NULL, since the
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* table is not fully mapped at this time.
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*/
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memset (TableDesc, 0, sizeof (ACPI_TABLE_DESC));
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TableDesc->Address = Address;
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TableDesc->Length = Table->Length;
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TableDesc->Flags = Flags;
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ACPI_MOVE_32_TO_32 (TableDesc->Signature.Ascii, Table->Signature);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbAcquireTable
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*
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* PARAMETERS: TableDesc - Table descriptor
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* TablePtr - Where table is returned
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* TableLength - Where table length is returned
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* TableFlags - Where table allocation flags are returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Acquire an ACPI table. It can be used for tables not
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* maintained in the AcpiGbl_RootTableList.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbAcquireTable (
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ACPI_TABLE_DESC *TableDesc,
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ACPI_TABLE_HEADER **TablePtr,
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UINT32 *TableLength,
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UINT8 *TableFlags)
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{
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ACPI_TABLE_HEADER *Table = NULL;
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switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK)
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{
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case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
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Table = AcpiOsMapMemory (TableDesc->Address, TableDesc->Length);
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break;
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case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
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case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
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Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
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ACPI_PHYSADDR_TO_PTR (TableDesc->Address));
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break;
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default:
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break;
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}
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/* Table is not valid yet */
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if (!Table)
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{
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return (AE_NO_MEMORY);
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}
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/* Fill the return values */
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*TablePtr = Table;
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*TableLength = TableDesc->Length;
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*TableFlags = TableDesc->Flags;
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbReleaseTable
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*
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* PARAMETERS: Table - Pointer for the table
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* TableLength - Length for the table
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* TableFlags - Allocation flags for the table
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*
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* RETURN: None
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*
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* DESCRIPTION: Release a table. The inverse of AcpiTbAcquireTable().
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*
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******************************************************************************/
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void
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AcpiTbReleaseTable (
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ACPI_TABLE_HEADER *Table,
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UINT32 TableLength,
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UINT8 TableFlags)
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{
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switch (TableFlags & ACPI_TABLE_ORIGIN_MASK)
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{
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case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
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AcpiOsUnmapMemory (Table, TableLength);
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break;
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case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
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case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
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default:
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break;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbAcquireTempTable
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*
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* PARAMETERS: TableDesc - Table descriptor to be acquired
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* Address - Address of the table
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* Flags - Allocation flags of the table
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function validates the table header to obtain the length
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* of a table and fills the table descriptor to make its state as
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* "INSTALLED". Such a table descriptor is only used for verified
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* installation.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiTbAcquireTempTable (
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ACPI_TABLE_DESC *TableDesc,
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ACPI_PHYSICAL_ADDRESS Address,
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UINT8 Flags)
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{
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ACPI_TABLE_HEADER *TableHeader;
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switch (Flags & ACPI_TABLE_ORIGIN_MASK)
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{
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case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
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/* Get the length of the full table from the header */
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TableHeader = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
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if (!TableHeader)
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{
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return (AE_NO_MEMORY);
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}
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AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
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AcpiOsUnmapMemory (TableHeader, sizeof (ACPI_TABLE_HEADER));
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return (AE_OK);
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case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
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case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
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TableHeader = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
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ACPI_PHYSADDR_TO_PTR (Address));
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if (!TableHeader)
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{
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return (AE_NO_MEMORY);
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}
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AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
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return (AE_OK);
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default:
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break;
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}
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/* Table is not valid yet */
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return (AE_NO_MEMORY);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbReleaseTempTable
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*
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* PARAMETERS: TableDesc - Table descriptor to be released
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*
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* RETURN: Status
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*
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* DESCRIPTION: The inverse of AcpiTbAcquireTempTable().
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*
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*****************************************************************************/
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void
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AcpiTbReleaseTempTable (
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ACPI_TABLE_DESC *TableDesc)
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{
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/*
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* Note that the .Address is maintained by the callers of
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* AcpiTbAcquireTempTable(), thus do not invoke AcpiTbUninstallTable()
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* where .Address will be freed.
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*/
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AcpiTbInvalidateTable (TableDesc);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiTbValidateTable
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*
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* PARAMETERS: TableDesc - Table descriptor
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*
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* RETURN: Status
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*
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* DESCRIPTION: This function is called to validate the table, the returned
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* table descriptor is in "VALIDATED" state.
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*
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*****************************************************************************/
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ACPI_STATUS
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AcpiTbValidateTable (
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ACPI_TABLE_DESC *TableDesc)
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{
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ACPI_STATUS Status = AE_OK;
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ACPI_FUNCTION_TRACE (TbValidateTable);
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/* Validate the table if necessary */
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if (!TableDesc->Pointer)
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{
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Status = AcpiTbAcquireTable (TableDesc, &TableDesc->Pointer,
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&TableDesc->Length, &TableDesc->Flags);
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if (!TableDesc->Pointer)
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{
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Status = AE_NO_MEMORY;
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}
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}
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return_ACPI_STATUS (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiTbInvalidateTable
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*
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* PARAMETERS: TableDesc - Table descriptor
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*
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* RETURN: None
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*
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* DESCRIPTION: Invalidate one internal ACPI table, this is the inverse of
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* AcpiTbValidateTable().
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*
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******************************************************************************/
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void
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AcpiTbInvalidateTable (
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ACPI_TABLE_DESC *TableDesc)
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{
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ACPI_FUNCTION_TRACE (TbInvalidateTable);
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|
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/* Table must be validated */
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if (!TableDesc->Pointer)
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{
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return_VOID;
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}
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AcpiTbReleaseTable (TableDesc->Pointer, TableDesc->Length,
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TableDesc->Flags);
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TableDesc->Pointer = NULL;
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return_VOID;
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}
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|
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/******************************************************************************
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*
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* FUNCTION: AcpiTbValidateTempTable
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*
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* PARAMETERS: TableDesc - Table descriptor
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*
|
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* RETURN: Status
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*
|
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* DESCRIPTION: This function is called to validate the table, the returned
|
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* table descriptor is in "VALIDATED" state.
|
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*
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*****************************************************************************/
|
|
|
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ACPI_STATUS
|
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AcpiTbValidateTempTable (
|
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ACPI_TABLE_DESC *TableDesc)
|
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{
|
|
|
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if (!TableDesc->Pointer && !AcpiGbl_VerifyTableChecksum)
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{
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/*
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* Only validates the header of the table.
|
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* Note that Length contains the size of the mapping after invoking
|
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* this work around, this value is required by
|
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* AcpiTbReleaseTempTable().
|
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* We can do this because in AcpiInitTableDescriptor(), the Length
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* field of the installed descriptor is filled with the actual
|
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* table length obtaining from the table header.
|
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*/
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TableDesc->Length = sizeof (ACPI_TABLE_HEADER);
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}
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|
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return (AcpiTbValidateTable (TableDesc));
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}
|
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|
|
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/******************************************************************************
|
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*
|
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* FUNCTION: AcpiTbVerifyTempTable
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|
*
|
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* PARAMETERS: TableDesc - Table descriptor
|
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* Signature - Table signature to verify
|
|
*
|
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* RETURN: Status
|
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*
|
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* DESCRIPTION: This function is called to validate and verify the table, the
|
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* returned table descriptor is in "VALIDATED" state.
|
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*
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*****************************************************************************/
|
|
|
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ACPI_STATUS
|
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AcpiTbVerifyTempTable (
|
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ACPI_TABLE_DESC *TableDesc,
|
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char *Signature)
|
|
{
|
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ACPI_STATUS Status = AE_OK;
|
|
|
|
|
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ACPI_FUNCTION_TRACE (TbVerifyTempTable);
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|
|
|
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/* Validate the table */
|
|
|
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Status = AcpiTbValidateTempTable (TableDesc);
|
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if (ACPI_FAILURE (Status))
|
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{
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* If a particular signature is expected (DSDT/FACS), it must match */
|
|
|
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if (Signature &&
|
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!ACPI_COMPARE_NAME (&TableDesc->Signature, Signature))
|
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{
|
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ACPI_BIOS_ERROR ((AE_INFO,
|
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"Invalid signature 0x%X for ACPI table, expected [%s]",
|
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TableDesc->Signature.Integer, Signature));
|
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Status = AE_BAD_SIGNATURE;
|
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goto InvalidateAndExit;
|
|
}
|
|
|
|
/* Verify the checksum */
|
|
|
|
if (AcpiGbl_VerifyTableChecksum)
|
|
{
|
|
Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
|
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"%4.4s 0x%8.8X%8.8X"
|
|
" Attempted table install failed",
|
|
AcpiUtValidAcpiName (TableDesc->Signature.Ascii) ?
|
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TableDesc->Signature.Ascii : "????",
|
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ACPI_FORMAT_UINT64 (TableDesc->Address)));
|
|
goto InvalidateAndExit;
|
|
}
|
|
}
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
|
|
InvalidateAndExit:
|
|
AcpiTbInvalidateTable (TableDesc);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbResizeRootTableList
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Expand the size of global table array
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbResizeRootTableList (
|
|
void)
|
|
{
|
|
ACPI_TABLE_DESC *Tables;
|
|
UINT32 TableCount;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbResizeRootTableList);
|
|
|
|
|
|
/* AllowResize flag is a parameter to AcpiInitializeTables */
|
|
|
|
if (!(AcpiGbl_RootTableList.Flags & ACPI_ROOT_ALLOW_RESIZE))
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "Resize of Root Table Array is not allowed"));
|
|
return_ACPI_STATUS (AE_SUPPORT);
|
|
}
|
|
|
|
/* Increase the Table Array size */
|
|
|
|
if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
|
|
{
|
|
TableCount = AcpiGbl_RootTableList.MaxTableCount;
|
|
}
|
|
else
|
|
{
|
|
TableCount = AcpiGbl_RootTableList.CurrentTableCount;
|
|
}
|
|
|
|
Tables = ACPI_ALLOCATE_ZEROED (
|
|
((ACPI_SIZE) TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT) *
|
|
sizeof (ACPI_TABLE_DESC));
|
|
if (!Tables)
|
|
{
|
|
ACPI_ERROR ((AE_INFO, "Could not allocate new root table array"));
|
|
return_ACPI_STATUS (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Copy and free the previous table array */
|
|
|
|
if (AcpiGbl_RootTableList.Tables)
|
|
{
|
|
memcpy (Tables, AcpiGbl_RootTableList.Tables,
|
|
(ACPI_SIZE) TableCount * sizeof (ACPI_TABLE_DESC));
|
|
|
|
if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
|
|
{
|
|
ACPI_FREE (AcpiGbl_RootTableList.Tables);
|
|
}
|
|
}
|
|
|
|
AcpiGbl_RootTableList.Tables = Tables;
|
|
AcpiGbl_RootTableList.MaxTableCount =
|
|
TableCount + ACPI_ROOT_TABLE_SIZE_INCREMENT;
|
|
AcpiGbl_RootTableList.Flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
|
|
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbGetNextTableDescriptor
|
|
*
|
|
* PARAMETERS: TableIndex - Where table index is returned
|
|
* TableDesc - Where table descriptor is returned
|
|
*
|
|
* RETURN: Status and table index/descriptor.
|
|
*
|
|
* DESCRIPTION: Allocate a new ACPI table entry to the global table list
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbGetNextTableDescriptor (
|
|
UINT32 *TableIndex,
|
|
ACPI_TABLE_DESC **TableDesc)
|
|
{
|
|
ACPI_STATUS Status;
|
|
UINT32 i;
|
|
|
|
|
|
/* Ensure that there is room for the table in the Root Table List */
|
|
|
|
if (AcpiGbl_RootTableList.CurrentTableCount >=
|
|
AcpiGbl_RootTableList.MaxTableCount)
|
|
{
|
|
Status = AcpiTbResizeRootTableList();
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
}
|
|
|
|
i = AcpiGbl_RootTableList.CurrentTableCount;
|
|
AcpiGbl_RootTableList.CurrentTableCount++;
|
|
|
|
if (TableIndex)
|
|
{
|
|
*TableIndex = i;
|
|
}
|
|
if (TableDesc)
|
|
{
|
|
*TableDesc = &AcpiGbl_RootTableList.Tables[i];
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbTerminate
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Delete all internal ACPI tables
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiTbTerminate (
|
|
void)
|
|
{
|
|
UINT32 i;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbTerminate);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
|
|
/* Delete the individual tables */
|
|
|
|
for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
|
|
{
|
|
AcpiTbUninstallTable (&AcpiGbl_RootTableList.Tables[i]);
|
|
}
|
|
|
|
/*
|
|
* Delete the root table array if allocated locally. Array cannot be
|
|
* mapped, so we don't need to check for that flag.
|
|
*/
|
|
if (AcpiGbl_RootTableList.Flags & ACPI_ROOT_ORIGIN_ALLOCATED)
|
|
{
|
|
ACPI_FREE (AcpiGbl_RootTableList.Tables);
|
|
}
|
|
|
|
AcpiGbl_RootTableList.Tables = NULL;
|
|
AcpiGbl_RootTableList.Flags = 0;
|
|
AcpiGbl_RootTableList.CurrentTableCount = 0;
|
|
|
|
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ACPI Tables freed\n"));
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_VOID;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbDeleteNamespaceByOwner
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Delete all namespace objects created when this table was loaded.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbDeleteNamespaceByOwner (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_OWNER_ID OwnerId;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbDeleteNamespaceByOwner);
|
|
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
if (TableIndex >= AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
/* The table index does not exist */
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (AE_NOT_EXIST);
|
|
}
|
|
|
|
/* Get the owner ID for this table, used to delete namespace nodes */
|
|
|
|
OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
|
|
/*
|
|
* Need to acquire the namespace writer lock to prevent interference
|
|
* with any concurrent namespace walks. The interpreter must be
|
|
* released during the deletion since the acquisition of the deletion
|
|
* 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);
|
|
}
|
|
|
|
AcpiUtReleaseWriteLock (&AcpiGbl_NamespaceRwLock);
|
|
|
|
Status = AcpiUtAcquireMutex (ACPI_MTX_INTERPRETER);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbAllocateOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Allocates OwnerId in TableDesc
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbAllocateOwnerId (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbAllocateOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
Status = AcpiUtAllocateOwnerId (
|
|
&(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbReleaseOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Releases OwnerId in TableDesc
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbReleaseOwnerId (
|
|
UINT32 TableIndex)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbReleaseOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
AcpiUtReleaseOwnerId (
|
|
&(AcpiGbl_RootTableList.Tables[TableIndex].OwnerId));
|
|
Status = AE_OK;
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbGetOwnerId
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
* OwnerId - Where the table OwnerId is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: returns OwnerId for the ACPI table
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiTbGetOwnerId (
|
|
UINT32 TableIndex,
|
|
ACPI_OWNER_ID *OwnerId)
|
|
{
|
|
ACPI_STATUS Status = AE_BAD_PARAMETER;
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (TbGetOwnerId);
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
*OwnerId = AcpiGbl_RootTableList.Tables[TableIndex].OwnerId;
|
|
Status = AE_OK;
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbIsTableLoaded
|
|
*
|
|
* PARAMETERS: TableIndex - Index into the root table
|
|
*
|
|
* RETURN: Table Loaded Flag
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
AcpiTbIsTableLoaded (
|
|
UINT32 TableIndex)
|
|
{
|
|
BOOLEAN IsLoaded = FALSE;
|
|
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
IsLoaded = (BOOLEAN)
|
|
(AcpiGbl_RootTableList.Tables[TableIndex].Flags &
|
|
ACPI_TABLE_IS_LOADED);
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
return (IsLoaded);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiTbSetTableLoadedFlag
|
|
*
|
|
* PARAMETERS: TableIndex - Table index
|
|
* IsLoaded - TRUE if table is loaded, FALSE otherwise
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiTbSetTableLoadedFlag (
|
|
UINT32 TableIndex,
|
|
BOOLEAN IsLoaded)
|
|
{
|
|
|
|
(void) AcpiUtAcquireMutex (ACPI_MTX_TABLES);
|
|
if (TableIndex < AcpiGbl_RootTableList.CurrentTableCount)
|
|
{
|
|
if (IsLoaded)
|
|
{
|
|
AcpiGbl_RootTableList.Tables[TableIndex].Flags |=
|
|
ACPI_TABLE_IS_LOADED;
|
|
}
|
|
else
|
|
{
|
|
AcpiGbl_RootTableList.Tables[TableIndex].Flags &=
|
|
~ACPI_TABLE_IS_LOADED;
|
|
}
|
|
}
|
|
|
|
(void) AcpiUtReleaseMutex (ACPI_MTX_TABLES);
|
|
}
|