mirror of https://github.com/acidanthera/audk.git
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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/** @file
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Dynamic Table Manager Dxe
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Copyright (c) 2017 - 2024, ARM Limited. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef DYNAMIC_TABLE_MANAGER_DXE_H_
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#define DYNAMIC_TABLE_MANAGER_DXE_H_
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#include <AcpiTableGenerator.h>
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///
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/// Bit definitions for acceptable ACPI table presence formats.
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/// Currently only ACPI tables present in the ACPI info list and
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/// already installed will count towards "Table Present" during
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/// verification routine.
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///
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#define ACPI_TABLE_PRESENT_INFO_LIST BIT0
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#define ACPI_TABLE_PRESENT_INSTALLED BIT1
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/// The FADT table must be placed at index 0 in mAcpiVerifyTables.
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#define ACPI_TABLE_VERIFY_FADT 0
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///
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/// Private data structure to verify the presence of mandatory
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/// or optional ACPI tables.
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///
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typedef struct {
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/// ESTD ID for the ACPI table of interest.
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ESTD_ACPI_TABLE_ID EstdTableId;
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/// Standard UINT32 ACPI signature.
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UINT32 AcpiTableSignature;
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/// 4 character ACPI table name (the 5th char8 is for null terminator).
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CHAR8 AcpiTableName[sizeof (UINT32) + 1];
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/// Indicator on whether the ACPI table is required.
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BOOLEAN IsMandatory;
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/// Formats of verified presences, as defined by ACPI_TABLE_PRESENT_*
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/// This field should be initialized to 0 and will be populated during
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/// verification routine.
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UINT16 Presence;
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} ACPI_TABLE_PRESENCE_INFO;
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/** Get the arch specific ACPI table presence information.
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@param [out] PresenceArray Array containing the ACPI tables to check.
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@param [out] PresenceArrayCount Count of elements in the PresenceArray.
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@param [out] FadtIndex Index of the FADT table in the PresenceArray.
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-1 if absent.
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@retval EFI_SUCCESS Success.
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**/
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EFI_STATUS
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EFIAPI
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GetAcpiTablePresenceInfo (
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OUT ACPI_TABLE_PRESENCE_INFO **PresenceArray,
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OUT UINT32 *PresenceArrayCount,
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OUT INT32 *FadtIndex
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);
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#endif // DYNAMIC_TABLE_MANAGER_DXE_H_
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