mirror of https://github.com/acidanthera/audk.git
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/** @file
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Header file for ACPI table parser
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Copyright (c) 2016 - 2018, 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 ACPITABLEPARSER_H_
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#define ACPITABLEPARSER_H_
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/**
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The maximum number of ACPI table parsers.
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*/
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#define MAX_ACPI_TABLE_PARSERS 16
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/** An invalid/NULL signature value.
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*/
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#define ACPI_PARSER_SIGNATURE_NULL 0
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/**
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A function that parses the ACPI table.
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@param [in] Trace If TRUE, trace the ACPI fields.
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@param [in] Ptr Pointer to the start of the buffer.
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@param [in] AcpiTableLength Length of the ACPI table.
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@param [in] AcpiTableRevision Revision of the ACPI table.
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**/
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typedef
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VOID
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(EFIAPI * PARSE_ACPI_TABLE_PROC) (
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IN BOOLEAN Trace,
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IN UINT8* Ptr,
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IN UINT32 AcpiTableLength,
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IN UINT8 AcpiTableRevision
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);
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/**
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The ACPI table parser information
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**/
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typedef struct AcpiTableParser {
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/// ACPI table signature
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UINT32 Signature;
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/// The ACPI table parser function.
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PARSE_ACPI_TABLE_PROC Parser;
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} ACPI_TABLE_PARSER;
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/**
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Register the ACPI table Parser
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This function registers the ACPI table parser.
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@param [in] Signature The ACPI table signature.
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@param [in] ParserProc The ACPI table parser.
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@retval EFI_SUCCESS The parser is registered.
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@retval EFI_INVALID_PARAMETER A parameter is invalid.
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@retval EFI_ALREADY_STARTED The parser for the Table
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was already registered.
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@retval EFI_OUT_OF_RESOURCES No space to register the
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parser.
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**/
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EFI_STATUS
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EFIAPI
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RegisterParser (
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IN UINT32 Signature,
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IN PARSE_ACPI_TABLE_PROC ParserProc
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);
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/**
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Deregister the ACPI table Parser
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This function deregisters the ACPI table parser.
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@param [in] Signature The ACPI table signature.
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@retval EFI_SUCCESS The parser was deregistered.
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@retval EFI_INVALID_PARAMETER A parameter is invalid.
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@retval EFI_NOT_FOUND A registered parser was not found.
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**/
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EFI_STATUS
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EFIAPI
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DeregisterParser (
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IN UINT32 Signature
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);
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/**
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This function processes the ACPI tables.
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This function calls ProcessTableReportOptions() to list the ACPI
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tables, perform binary dump of the tables and determine if the
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ACPI fields should be traced.
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This function also invokes the parser for the ACPI tables.
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This function also performs a RAW dump of the ACPI table including
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the unknown/unparsed ACPI tables and validates the checksum.
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@param [in] Ptr Pointer to the start of the ACPI
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table data buffer.
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**/
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VOID
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EFIAPI
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ProcessAcpiTable (
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IN UINT8* Ptr
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);
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/**
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Get the ACPI table Parser
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This function returns the ACPI table parser proc from the list of
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registered parsers.
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@param [in] Signature The ACPI table signature.
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@param [out] ParserProc Pointer to a ACPI table parser proc.
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@retval EFI_SUCCESS The parser was returned successfully.
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@retval EFI_INVALID_PARAMETER A parameter is invalid.
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@retval EFI_NOT_FOUND A registered parser was not found.
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**/
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EFI_STATUS
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EFIAPI
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GetParser (
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IN UINT32 Signature,
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OUT PARSE_ACPI_TABLE_PROC * ParserProc
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);
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#endif // ACPITABLEPARSER_H_
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