forked from KolibriOS/kolibrios
417 lines
19 KiB
C
417 lines
19 KiB
C
/******************************************************************************
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*
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* Name: actbl.h - Basic ACPI Table Definitions
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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 __ACTBL_H__
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#define __ACTBL_H__
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/*******************************************************************************
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*
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* Fundamental ACPI tables
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*
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* This file contains definitions for the ACPI tables that are directly consumed
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* by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
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* device drivers and other OS support code.
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*
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* The RSDP and FACS do not use the common ACPI table header. All other ACPI
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* tables use the header.
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*
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******************************************************************************/
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/*
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* Values for description table header signatures for tables defined in this
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* file. Useful because they make it more difficult to inadvertently type in
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* the wrong signature.
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*/
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#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
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#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
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#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
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#define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */
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#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
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#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
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#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
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#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
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#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
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#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
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/*
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* All tables and structures must be byte-packed to match the ACPI
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* specification, since the tables are provided by the system BIOS
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*/
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#pragma pack(1)
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/*
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* Note: C bitfields are not used for this reason:
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*
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* "Bitfields are great and easy to read, but unfortunately the C language
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* does not specify the layout of bitfields in memory, which means they are
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* essentially useless for dealing with packed data in on-disk formats or
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* binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
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* this decision was a design error in C. Ritchie could have picked an order
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* and stuck with it." Norman Ramsey.
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* See http://stackoverflow.com/a/1053662/41661
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*/
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/*******************************************************************************
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*
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* Master ACPI Table Header. This common header is used by all ACPI tables
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* except the RSDP and FACS.
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*
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******************************************************************************/
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struct acpi_table_header {
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char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
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u32 length; /* Length of table in bytes, including this header */
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u8 revision; /* ACPI Specification minor version number */
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u8 checksum; /* To make sum of entire table == 0 */
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char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
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char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
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u32 oem_revision; /* OEM revision number */
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char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
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u32 asl_compiler_revision; /* ASL compiler version */
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};
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/*******************************************************************************
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*
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* GAS - Generic Address Structure (ACPI 2.0+)
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*
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* Note: Since this structure is used in the ACPI tables, it is byte aligned.
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* If misaligned access is not supported by the hardware, accesses to the
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* 64-bit Address field must be performed with care.
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*
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******************************************************************************/
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struct acpi_generic_address {
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u8 space_id; /* Address space where struct or register exists */
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u8 bit_width; /* Size in bits of given register */
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u8 bit_offset; /* Bit offset within the register */
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u8 access_width; /* Minimum Access size (ACPI 3.0) */
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u64 address; /* 64-bit address of struct or register */
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};
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/*******************************************************************************
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*
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* RSDP - Root System Description Pointer (Signature is "RSD PTR ")
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* Version 2
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*
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******************************************************************************/
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struct acpi_table_rsdp {
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char signature[8]; /* ACPI signature, contains "RSD PTR " */
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u8 checksum; /* ACPI 1.0 checksum */
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char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */
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u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
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u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
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u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
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u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
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u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
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u8 reserved[3]; /* Reserved, must be zero */
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};
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/* Standalone struct for the ACPI 1.0 RSDP */
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struct acpi_rsdp_common {
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char signature[8];
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u8 checksum;
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char oem_id[ACPI_OEM_ID_SIZE];
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u8 revision;
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u32 rsdt_physical_address;
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};
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/* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
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struct acpi_rsdp_extension {
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u32 length;
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u64 xsdt_physical_address;
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u8 extended_checksum;
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u8 reserved[3];
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};
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/*******************************************************************************
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*
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* RSDT/XSDT - Root System Description Tables
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* Version 1 (both)
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*
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******************************************************************************/
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struct acpi_table_rsdt {
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struct acpi_table_header header; /* Common ACPI table header */
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u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
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};
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struct acpi_table_xsdt {
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struct acpi_table_header header; /* Common ACPI table header */
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u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
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};
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#define ACPI_RSDT_ENTRY_SIZE (sizeof (u32))
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#define ACPI_XSDT_ENTRY_SIZE (sizeof (u64))
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/*******************************************************************************
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*
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* FACS - Firmware ACPI Control Structure (FACS)
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*
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******************************************************************************/
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struct acpi_table_facs {
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char signature[4]; /* ASCII table signature */
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u32 length; /* Length of structure, in bytes */
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u32 hardware_signature; /* Hardware configuration signature */
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u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
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u32 global_lock; /* Global Lock for shared hardware resources */
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u32 flags;
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u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
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u8 version; /* Version of this table (ACPI 2.0+) */
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u8 reserved[3]; /* Reserved, must be zero */
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u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
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u8 reserved1[24]; /* Reserved, must be zero */
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};
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/* Masks for global_lock flag field above */
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#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
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#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
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/* Masks for Flags field above */
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#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
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#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
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/* Masks for ospm_flags field above */
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#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
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/*******************************************************************************
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*
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* FADT - Fixed ACPI Description Table (Signature "FACP")
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* Version 4
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*
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******************************************************************************/
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/* Fields common to all versions of the FADT */
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struct acpi_table_fadt {
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struct acpi_table_header header; /* Common ACPI table header */
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u32 facs; /* 32-bit physical address of FACS */
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u32 dsdt; /* 32-bit physical address of DSDT */
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u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
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u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
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u16 sci_interrupt; /* System vector of SCI interrupt */
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u32 smi_command; /* 32-bit Port address of SMI command port */
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u8 acpi_enable; /* Value to write to SMI_CMD to enable ACPI */
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u8 acpi_disable; /* Value to write to SMI_CMD to disable ACPI */
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u8 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */
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u8 pstate_control; /* Processor performance state control */
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u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */
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u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */
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u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */
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u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */
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u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */
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u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
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u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */
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u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */
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u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */
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u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */
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u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */
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u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */
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u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */
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u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */
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u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */
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u8 cst_control; /* Support for the _CST object and C-States change notification */
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u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */
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u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */
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u16 flush_size; /* Processor memory cache line width, in bytes */
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u16 flush_stride; /* Number of flush strides that need to be read */
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u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */
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u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */
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u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */
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u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */
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u8 century; /* Index to century in RTC CMOS RAM */
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u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
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u8 reserved; /* Reserved, must be zero */
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u32 flags; /* Miscellaneous flag bits (see below for individual flags) */
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struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */
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u8 reset_value; /* Value to write to the reset_register port to reset the system */
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u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
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u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */
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u64 Xfacs; /* 64-bit physical address of FACS */
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u64 Xdsdt; /* 64-bit physical address of DSDT */
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struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
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struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
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struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
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struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
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struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
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struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
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struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
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struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
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struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */
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struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */
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u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */
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};
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/* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
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#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
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#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
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#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
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#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
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#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
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#define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */
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#define FADT2_REVISION_ID 3
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/* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
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#define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */
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#define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
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/* Masks for FADT flags */
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#define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */
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#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */
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#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
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#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
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#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
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#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
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#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */
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#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
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#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
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#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
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#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
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#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
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#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
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#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
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#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
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#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
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#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
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#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
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#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
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#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
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#define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
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#define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
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/* Values for preferred_profile (Preferred Power Management Profiles) */
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enum acpi_preferred_pm_profiles {
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PM_UNSPECIFIED = 0,
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PM_DESKTOP = 1,
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PM_MOBILE = 2,
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PM_WORKSTATION = 3,
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PM_ENTERPRISE_SERVER = 4,
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PM_SOHO_SERVER = 5,
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PM_APPLIANCE_PC = 6,
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PM_PERFORMANCE_SERVER = 7,
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PM_TABLET = 8
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};
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/* Values for sleep_status and sleep_control registers (V5+ FADT) */
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#define ACPI_X_WAKE_STATUS 0x80
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#define ACPI_X_SLEEP_TYPE_MASK 0x1C
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#define ACPI_X_SLEEP_TYPE_POSITION 0x02
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#define ACPI_X_SLEEP_ENABLE 0x20
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/* Reset to default packing */
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#pragma pack()
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/*
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* Internal table-related structures
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*/
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union acpi_name_union {
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u32 integer;
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char ascii[4];
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};
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/* Internal ACPI Table Descriptor. One per ACPI table. */
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struct acpi_table_desc {
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acpi_physical_address address;
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struct acpi_table_header *pointer;
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u32 length; /* Length fixed at 32 bits (fixed in table header) */
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union acpi_name_union signature;
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acpi_owner_id owner_id;
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u8 flags;
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};
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/* Masks for Flags field above */
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#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */
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#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
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#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
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#define ACPI_TABLE_ORIGIN_MASK (3)
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#define ACPI_TABLE_IS_LOADED (8)
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/*
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* Get the remaining ACPI tables
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*/
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#include <acpi/actbl1.h>
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#include <acpi/actbl2.h>
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#include <acpi/actbl3.h>
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/* Macros used to generate offsets to specific table fields */
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#define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f)
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/*
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* Sizes of the various flavors of FADT. We need to look closely
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* at the FADT length because the version number essentially tells
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* us nothing because of many BIOS bugs where the version does not
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* match the expected length. In other words, the length of the
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* FADT is the bottom line as to what the version really is.
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*
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* For reference, the values below are as follows:
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* FADT V1 size: 0x074
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* FADT V2 size: 0x084
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* FADT V3 size: 0x0F4
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* FADT V4 size: 0x0F4
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* FADT V5 size: 0x10C
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* FADT V6 size: 0x114
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*/
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#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
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#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1)
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#define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control))
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#define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id))
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#define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt))
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#endif /* __ACTBL_H__ */
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