Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* fw_tables.h - Parsing support for ACPI and ACPI-like tables provided by
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* platform or device firmware
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*
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* Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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* Copyright (C) 2023 Intel Corp.
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*/
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#ifndef _FW_TABLE_H_
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#define _FW_TABLE_H_
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union acpi_subtable_headers;
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typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
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const unsigned long end);
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typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
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void *arg, const unsigned long end);
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struct acpi_subtable_proc {
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int id;
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acpi_tbl_entry_handler handler;
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acpi_tbl_entry_handler_arg handler_arg;
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void *arg;
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int count;
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};
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union fw_table_header {
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struct acpi_table_header acpi;
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struct acpi_table_cdat cdat;
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};
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union acpi_subtable_headers {
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struct acpi_subtable_header common;
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struct acpi_hmat_structure hmat;
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struct acpi_prmt_module_header prmt;
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struct acpi_cedt_header cedt;
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struct acpi_cdat_header cdat;
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};
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int acpi_parse_entries_array(char *id, unsigned long table_size,
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union fw_table_header *table_header,
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unsigned long max_length,
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struct acpi_subtable_proc *proc,
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int proc_num, unsigned int max_entries);
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int cdat_table_parse(enum acpi_cdat_type type,
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acpi_tbl_entry_handler_arg handler_arg, void *arg,
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struct acpi_table_cdat *table_header,
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unsigned long length);
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/* CXL is the only non-ACPI consumer of the FIRMWARE_TABLE library */
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#if IS_ENABLED(CONFIG_ACPI) && !IS_ENABLED(CONFIG_CXL_BUS)
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#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_ACPI_LIB(x)
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#define __init_or_fwtbl_lib __init_or_acpilib
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#else
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#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "CXL")
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#define __init_or_fwtbl_lib
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#endif
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#endif
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