/****************************************************************************** * * Name: actbl.h - Table data structures defined in ACPI specification * *****************************************************************************/ /* * Copyright (C) 2000 - 2006, 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__ /* * Note about bitfields: The u8 type is used for bitfields in ACPI tables. * This is the only type that is even remotely portable. Anything else is not * portable, so do not use any other bitfield types. */ /* *  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;		/* ACPI 1.0 checksum */	char oem_id[6];		/* OEM identification */	u8 revision;		/* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */	u32 rsdt_physical_address;	/* 32-bit physical address of the RSDT */	u32 length;		/* XSDT Length in bytes, including header */	u64 xsdt_physical_address;	/* 64-bit physical address of the XSDT */	u8 extended_checksum;	/* Checksum of entire table (ACPI 2.0) */	char reserved[3];	/* Reserved, must be zero */}; 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];           /* ASCII table signature */\	u32                             length;                 /* Length of table in bytes, including this header */\	u8                              revision;               /* ACPI Specification minor version # */\	u8                              checksum;               /* To make sum of entire table == 0 */\	char                            oem_id[6];              /* ASCII OEM identification */\	char                            oem_table_id[8];        /* ASCII OEM table identification */\	u32                             oem_revision;           /* OEM revision number */\	char                            asl_compiler_id [4];    /* ASCII ASL compiler vendor ID */\	u32                             asl_compiler_revision;	/* ASL compiler version */ 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 */ 	/* Flags (32 bits) */ 	u8 PCATcompat:1;	/* 00:    System also has dual 8259s */	 u8:7;			/* 01-07: Reserved, must be zero */	u8 reserved1[3];	/* 08-31: Reserved, must be zero */}; /* 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 (16 bits each) */ #define MPS_INTI_FLAGS \	u8                              polarity        : 2;    /* 00-01: Polarity of APIC I/O input signals */\	u8                              trigger_mode    : 2;    /* 02-03: Trigger mode of APIC input signals */\	u8                                              : 4;    /* 04-07: Reserved, must be zero */\	u8                              reserved1;	/* 08-15: Reserved, must be zero */ #define LOCAL_APIC_FLAGS \	u8                              processor_enabled: 1;   /* 00:    Processor is usable if set */\	u8                                              : 7;    /* 01-07: Reserved, must be zero */\	u8                              reserved2;	/* 08-15: 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__ */