/****************************************************************************** * * Name: actbl.h - Table data structures defined in ACPI specification * *****************************************************************************/ /* * Copyright (C) 2000 - 2005, 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 */ /* * 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) /* * ACPI Version-independent tables * * NOTE: The tables that are specific to ACPI versions (1.0, 2.0, etc.) * 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_common_facs /* Common FACS for internal use */ { u32 *global_lock; u64 *firmware_waking_vector; u8 vector_width; }; #define ACPI_TABLE_HEADER_DEF /* 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_table_header /* ACPI common table header */ { ACPI_TABLE_HEADER_DEF }; /* * MADT values and structures */ /* Values for MADT PCATCompat */ #define DUAL_PIC 0 #define MULTIPLE_APIC 1 /* Master MADT */ struct multiple_apic_table { ACPI_TABLE_HEADER_DEF /* ACPI common table header */ u32 local_apic_address; /* Physical address of local APIC */ u32 PCATcompat : 1; /* A one indicates system also has dual 8259s */ u32 reserved1 : 31; }; /* Values for Type in APIC_HEADER_DEF */ #define APIC_PROCESSOR 0 #define APIC_IO 1 #define APIC_XRUPT_OVERRIDE 2 #define APIC_NMI 3 #define APIC_LOCAL_NMI 4 #define APIC_ADDRESS_OVERRIDE 5 #define APIC_IO_SAPIC 6 #define APIC_LOCAL_SAPIC 7 #define APIC_XRUPT_SOURCE 8 #define APIC_RESERVED 9 /* 9 and greater are reserved */ /* * MADT sub-structures (Follow MULTIPLE_APIC_DESCRIPTION_TABLE) */ #define APIC_HEADER_DEF /* Common APIC sub-structure header */\ u8 type; \ u8 length; struct apic_header { APIC_HEADER_DEF }; /* Values for MPS INTI flags */ #define POLARITY_CONFORMS 0 #define POLARITY_ACTIVE_HIGH 1 #define POLARITY_RESERVED 2 #define POLARITY_ACTIVE_LOW 3 #define TRIGGER_CONFORMS 0 #define TRIGGER_EDGE 1 #define TRIGGER_RESERVED 2 #define TRIGGER_LEVEL 3 /* Common flag definitions */ #define MPS_INTI_FLAGS \ u16 polarity : 2; /* Polarity of APIC I/O input signals */\ u16 trigger_mode : 2; /* Trigger mode of APIC input signals */\ u16 reserved1 : 12; /* Reserved, must be zero */ #define LOCAL_APIC_FLAGS \ u32 processor_enabled: 1; /* Processor is usable if set */\ u32 reserved2 : 31; /* Reserved, must be zero */ /* Sub-structures for MADT */ struct madt_processor_apic { APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */ u8 local_apic_id; /* Processor's local APIC id */ LOCAL_APIC_FLAGS }; struct madt_io_apic { APIC_HEADER_DEF u8 io_apic_id; /* I/O APIC ID */ u8 reserved; /* Reserved - must be zero */ u32 address; /* APIC physical address */ u32 interrupt; /* Global system interrupt where INTI * lines start */ }; struct madt_interrupt_override { APIC_HEADER_DEF u8 bus; /* 0 - ISA */ u8 source; /* Interrupt source (IRQ) */ u32 interrupt; /* Global system interrupt */ MPS_INTI_FLAGS }; struct madt_nmi_source { APIC_HEADER_DEF MPS_INTI_FLAGS u32 interrupt; /* Global system interrupt */ }; struct madt_local_apic_nmi { APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */ MPS_INTI_FLAGS u8 lint; /* LINTn to which NMI is connected */ }; struct madt_address_override { APIC_HEADER_DEF u16 reserved; /* Reserved - must be zero */ u64 address; /* APIC physical address */ }; struct madt_io_sapic { APIC_HEADER_DEF u8 io_sapic_id; /* I/O SAPIC ID */ u8 reserved; /* Reserved - must be zero */ u32 interrupt_base; /* Glocal interrupt for SAPIC start */ u64 address; /* SAPIC physical address */ }; struct madt_local_sapic { APIC_HEADER_DEF u8 processor_id; /* ACPI processor id */ u8 local_sapic_id; /* SAPIC ID */ u8 local_sapic_eid; /* SAPIC EID */ u8 reserved [3]; /* Reserved - must be zero */ LOCAL_APIC_FLAGS u32 processor_uID; /* Numeric UID - ACPI 3.0 */ char processor_uIDstring[1]; /* String UID - ACPI 3.0 */ }; struct madt_interrupt_source { APIC_HEADER_DEF MPS_INTI_FLAGS u8 interrupt_type; /* 1=PMI, 2=INIT, 3=corrected */ u8 processor_id; /* Processor ID */ u8 processor_eid; /* Processor EID */ u8 io_sapic_vector; /* Vector value for PMI interrupts */ u32 interrupt; /* Global system interrupt */ u32 flags; /* Interrupt Source Flags */ }; /* * Smart Battery */ struct smart_battery_table { ACPI_TABLE_HEADER_DEF u32 warning_level; u32 low_level; u32 critical_level; }; #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 ACPI version-specific tables */ #include "actbl1.h" /* Acpi 1.0 table definitions */ #include "actbl2.h" /* Acpi 2.0 table definitions */ extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1, * needed for certain workarounds */ #pragma pack(1) /* * High performance timer */ struct hpet_table { ACPI_TABLE_HEADER_DEF u32 hardware_id; struct acpi_generic_address base_address; u8 hpet_number; u16 clock_tick; u8 attributes; }; #pragma pack() #endif /* __ACTBL_H__ */