/****************************************************************************** * * Name: actbl.h - Table data structures defined in ACPI specification * *****************************************************************************/ /* * Copyright (C) 2000 - 2003, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #ifndef __ACTBL_H__ #define __ACTBL_H__ /* * Values for description table header signatures */ #define RSDP_NAME "RSDP" #define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */ #define APIC_SIG "APIC" /* Multiple APIC Description Table */ #define DSDT_SIG "DSDT" /* Differentiated System Description Table */ #define FADT_SIG "FACP" /* Fixed ACPI Description Table */ #define FACS_SIG "FACS" /* Firmware ACPI Control Structure */ #define PSDT_SIG "PSDT" /* Persistent System Description Table */ #define RSDT_SIG "RSDT" /* Root System Description Table */ #define XSDT_SIG "XSDT" /* Extended System Description Table */ #define SSDT_SIG "SSDT" /* Secondary System Description Table */ #define SBST_SIG "SBST" /* Smart Battery Specification Table */ #define SPIC_SIG "SPIC" /* IOSAPIC table */ #define BOOT_SIG "BOOT" /* Boot table */ #define GL_OWNED 0x02 /* Ownership of global lock is bit 1 */ /* values of Mapic.Model */ #define DUAL_PIC 0 #define MULTIPLE_APIC 1 /* values of Type in struct apic_header */ #define APIC_PROC 0 #define APIC_IO 1 /* * Common table types. The base code can remain * constant if the underlying tables are changed */ #define RSDT_DESCRIPTOR struct rsdt_descriptor_rev2 #define XSDT_DESCRIPTOR struct xsdt_descriptor_rev2 #define FACS_DESCRIPTOR struct facs_descriptor_rev2 #define FADT_DESCRIPTOR struct fadt_descriptor_rev2 #pragma pack(1) /* * Architecture-independent tables * The architecture dependent tables are in separate files */ struct rsdp_descriptor /* Root System Descriptor Pointer */ { char signature [8]; /* ACPI signature, contains "RSD PTR " */ u8 checksum; /* To make sum of struct == 0 */ char oem_id [6]; /* OEM identification */ u8 revision; /* Must be 0 for 1.0, 2 for 2.0 */ u32 rsdt_physical_address; /* 32-bit physical address of RSDT */ u32 length; /* XSDT Length in bytes including hdr */ u64 xsdt_physical_address; /* 64-bit physical address of XSDT */ u8 extended_checksum; /* Checksum of entire table */ char reserved [3]; /* Reserved field must be 0 */ }; struct acpi_table_header /* ACPI common table header */ { char signature [4]; /* ACPI signature (4 ASCII characters) */ u32 length; /* Length of table, in bytes, including header */ u8 revision; /* ACPI Specification minor version # */ u8 checksum; /* To make sum of entire table == 0 */ char oem_id [6]; /* OEM identification */ char oem_table_id [8]; /* OEM table identification */ u32 oem_revision; /* OEM revision number */ char asl_compiler_id [4]; /* ASL compiler vendor ID */ u32 asl_compiler_revision; /* ASL compiler revision number */ }; struct acpi_common_facs /* Common FACS for internal use */ { u32 *global_lock; u64 *firmware_waking_vector; u8 vector_width; }; struct apic_table { struct acpi_table_header header; /* ACPI table header */ u32 local_apic_address; /* Physical address for accessing local APICs */ u32 PCATcompat : 1; /* a one indicates system also has dual 8259s */ u32 reserved1 : 31; }; struct apic_header { u8 type; /* APIC type. Either APIC_PROC or APIC_IO */ u8 length; /* Length of APIC structure */ }; struct processor_apic { struct apic_header header; u8 processor_apic_id; /* ACPI processor id */ u8 local_apic_id; /* Processor's local APIC id */ u32 processor_enabled: 1; /* Processor is usable if set */ u32 reserved1 : 31; }; struct io_apic { struct apic_header header; u8 io_apic_id; /* I/O APIC ID */ u8 reserved; /* Reserved - must be zero */ u32 io_apic_address; /* APIC's physical address */ u32 vector; /* Interrupt vector index where INTI * lines start */ }; /* * IA64 TBD: Add SAPIC Tables */ /* * IA64 TBD: Modify Smart Battery Description to comply with ACPI IA64 * extensions. */ struct smart_battery_description_table { struct acpi_table_header header; u32 warning_level; u32 low_level; u32 critical_level; }; struct hpet_description_table { struct acpi_table_header header; u32 hardware_id; u32 base_address[3]; u8 hpet_number; u16 clock_tick; u8 attributes; }; #pragma pack() /* * ACPI Table information. We save the table address, length, * and type of memory allocation (mapped or allocated) for each * table for 1) when we exit, and 2) if a new table is installed */ #define ACPI_MEM_NOT_ALLOCATED 0 #define ACPI_MEM_ALLOCATED 1 #define ACPI_MEM_MAPPED 2 /* Definitions for the Flags bitfield member of struct acpi_table_support */ #define ACPI_TABLE_SINGLE 0x00 #define ACPI_TABLE_MULTIPLE 0x01 #define ACPI_TABLE_EXECUTABLE 0x02 #define ACPI_TABLE_ROOT 0x00 #define ACPI_TABLE_PRIMARY 0x10 #define ACPI_TABLE_SECONDARY 0x20 #define ACPI_TABLE_ALL 0x30 #define ACPI_TABLE_TYPE_MASK 0x30 /* Data about each known table type */ struct acpi_table_support { char *name; char *signature; void **global_ptr; u8 sig_length; u8 flags; }; /* * Get the architecture-specific tables */ #include "actbl1.h" /* Acpi 1.0 table definitions */ #include "actbl2.h" /* Acpi 2.0 table definitions */ #endif /* __ACTBL_H__ */