| 1 | /** @file
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| 2 | Dynamic Table Manager Dxe
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| 3 |
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| 4 | Copyright (c) 2017 - 2024, ARM Limited. All rights reserved.
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| 5 |
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| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 |
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| 8 | **/
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| 9 |
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| 10 | #ifndef DYNAMIC_TABLE_MANAGER_DXE_H_
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| 11 | #define DYNAMIC_TABLE_MANAGER_DXE_H_
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| 12 |
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| 13 | #include <AcpiTableGenerator.h>
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| 14 |
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| 15 | ///
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| 16 | /// Bit definitions for acceptable ACPI table presence formats.
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| 17 | /// Currently only ACPI tables present in the ACPI info list and
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| 18 | /// already installed will count towards "Table Present" during
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| 19 | /// verification routine.
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| 20 | ///
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| 21 | #define ACPI_TABLE_PRESENT_INFO_LIST BIT0
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| 22 | #define ACPI_TABLE_PRESENT_INSTALLED BIT1
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| 23 |
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| 24 | /// The FADT table must be placed at index 0 in mAcpiVerifyTables.
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| 25 | #define ACPI_TABLE_VERIFY_FADT 0
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| 26 |
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| 27 | ///
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| 28 | /// Private data structure to verify the presence of mandatory
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| 29 | /// or optional ACPI tables.
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| 30 | ///
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| 31 | typedef struct {
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| 32 | /// ESTD ID for the ACPI table of interest.
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| 33 | ESTD_ACPI_TABLE_ID EstdTableId;
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| 34 | /// Standard UINT32 ACPI signature.
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| 35 | UINT32 AcpiTableSignature;
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| 36 | /// 4 character ACPI table name (the 5th char8 is for null terminator).
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| 37 | CHAR8 AcpiTableName[sizeof (UINT32) + 1];
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| 38 | /// Indicator on whether the ACPI table is required.
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| 39 | BOOLEAN IsMandatory;
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| 40 | /// Formats of verified presences, as defined by ACPI_TABLE_PRESENT_*
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| 41 | /// This field should be initialized to 0 and will be populated during
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| 42 | /// verification routine.
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| 43 | UINT16 Presence;
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| 44 | } ACPI_TABLE_PRESENCE_INFO;
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| 45 |
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| 46 | /** Get the arch specific ACPI table presence information.
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| 47 |
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| 48 | @param [out] PresenceArray Array containing the ACPI tables to check.
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| 49 | @param [out] PresenceArrayCount Count of elements in the PresenceArray.
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| 50 | @param [out] FadtIndex Index of the FADT table in the PresenceArray.
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| 51 | -1 if absent.
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| 52 |
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| 53 | @retval EFI_SUCCESS Success.
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| 54 | **/
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| 55 | EFI_STATUS
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| 56 | EFIAPI
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| 57 | GetAcpiTablePresenceInfo (
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| 58 | OUT ACPI_TABLE_PRESENCE_INFO **PresenceArray,
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| 59 | OUT UINT32 *PresenceArrayCount,
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| 60 | OUT INT32 *FadtIndex
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| 61 | );
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| 62 |
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| 63 | #endif // DYNAMIC_TABLE_MANAGER_DXE_H_
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