forked from Minki/linux
76cffa79bd
ACPICA commit 6eb364d790dd103bd4990f808e0095a421c437cb acpi_tb_store_table() implements a logic that is only correct to iasl. So it won't be used by any other utilities except iasl. This function is complained by the kernel users as an unused function. The best choice to stop releasing it to the Linux kernel should be moving it to adisasm.c. ACPI table manager can use both struct acpi_table_desc (direct referencing) and table index (indirect referencing) as the descriptor to the table, so acpi_tb_get_next_root_index() is extended to return both of them to allow maximum usability from the callers. NOTE that indirect referencing is a design result to meet the boot stage static allocation requirement for the table descriptors. This is a linuxized acpi_tb_store_table() removing result, there should be no functional changes introduced to the Linux kernel by this patch except the additonal kernel unused argument for acpi_tb_get_next_root_index() (renamed to acpi_tb_get_next_root_index()). This argument is used in the ACPICA upstream. Link: https://github.com/acpica/acpica/commit/6eb364d7 Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
168 lines
5.3 KiB
C
168 lines
5.3 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 - 2015, 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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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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u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp);
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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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* tbdata - table data structure management
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*/
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acpi_status
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acpi_tb_get_next_table_descriptor(u32 *table_index,
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struct acpi_table_desc **table_desc);
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void
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acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
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acpi_physical_address address,
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u8 flags, struct acpi_table_header *table);
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acpi_status
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acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
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acpi_physical_address address, u8 flags);
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void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
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acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
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acpi_status
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acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature);
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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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* 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_validate_table(struct acpi_table_desc *table_desc);
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void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc);
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void acpi_tb_override_table(struct acpi_table_desc *old_table_desc);
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acpi_status
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acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
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struct acpi_table_header **table_ptr,
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u32 *table_length, u8 *table_flags);
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void
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acpi_tb_release_table(struct acpi_table_header *table,
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u32 table_length, u8 table_flags);
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acpi_status
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acpi_tb_install_standard_table(acpi_physical_address address,
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u8 flags,
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u8 reload, u8 override, u32 *table_index);
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void acpi_tb_uninstall_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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/*
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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_with_override(u32 table_index,
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struct acpi_table_desc *new_table_desc,
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u8 override);
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acpi_status
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acpi_tb_install_fixed_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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#endif /* __ACTABLES_H__ */
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