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https://github.com/torvalds/linux
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4ac4c5fad8
Use push and pop to both guarantee that the correct alignment is used, and to restore the alignment to whatever it was before the header was included. It is reported that the #pragma pack(push/pop) directives are not supported by the specific GCCs, but this patch still doesn't affect kernel build as there are already #pragma pack([1]) directives used in the old ACPICA headers, which means there shouldn't be GCCs that are currently used to compile the ACPI kernels do not support #pragma pack() directives. References: https://bugs.acpica.org/show_bug.cgi?id=1058 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
137 lines
4.4 KiB
C
137 lines
4.4 KiB
C
/******************************************************************************
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*
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* Name: actables.h - ACPI table management
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2014, 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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#ifndef __ACTABLES_H__
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#define __ACTABLES_H__
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#pragma pack(push) /* Set default struct packing */
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acpi_status acpi_allocate_root_table(u32 initial_table_count);
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/*
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* tbxfroot - Root pointer utilities
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*/
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acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
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u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);
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/*
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* tbfadt - FADT parse/convert/validate
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*/
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void acpi_tb_parse_fadt(u32 table_index);
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void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
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/*
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* tbfind - find ACPI table
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*/
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acpi_status
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acpi_tb_find_table(char *signature,
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char *oem_id, char *oem_table_id, u32 *table_index);
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/*
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* tbinstal - Table removal and deletion
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*/
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acpi_status acpi_tb_resize_root_table_list(void);
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acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc);
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struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
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*table_header,
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struct acpi_table_desc
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*table_desc);
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acpi_status
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acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index);
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acpi_status
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acpi_tb_store_table(acpi_physical_address address,
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struct acpi_table_header *table,
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u32 length, u8 flags, u32 *table_index);
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void acpi_tb_delete_table(struct acpi_table_desc *table_desc);
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void acpi_tb_terminate(void);
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acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
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acpi_status acpi_tb_allocate_owner_id(u32 table_index);
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acpi_status acpi_tb_release_owner_id(u32 table_index);
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acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id);
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u8 acpi_tb_is_table_loaded(u32 table_index);
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void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded);
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/*
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* tbutils - table manager utilities
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*/
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acpi_status acpi_tb_initialize_facs(void);
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u8 acpi_tb_tables_loaded(void);
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void
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acpi_tb_print_table_header(acpi_physical_address address,
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struct acpi_table_header *header);
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u8 acpi_tb_checksum(u8 *buffer, u32 length);
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acpi_status
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acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
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void acpi_tb_check_dsdt_header(void);
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struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
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void
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acpi_tb_install_table(acpi_physical_address address,
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char *signature, u32 table_index);
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acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
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#pragma pack(pop) /* Restore original struct packing */
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#endif /* __ACTABLES_H__ */
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