path: root/include/acpi/actbl2.h

/******************************************************************************
 *
 * Name: actbl2.h - ACPI Table Definitions (tables not in ACPI spec)
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2013, Intel Corp.
 * 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 __ACTBL2_H__
#define __ACTBL2_H__

/*******************************************************************************
 *
 * Additional ACPI Tables (2)
 *
 * These tables are not consumed directly by the ACPICA subsystem, but are
 * included here to support device drivers and the AML disassembler.
 *
 * The tables in this file are defined by third-party specifications, and are
 * not defined directly by the ACPI specification itself.
 *
 ******************************************************************************/

/*
 * Values for description table header signatures for tables defined in this
 * file. Useful because they make it more difficult to inadvertently type in
 * the wrong signature.
 */
#define ACPI_SIG_ASF            "ASF!"	/* Alert Standard Format table */
#define ACPI_SIG_BOOT           "BOOT"	/* Simple Boot Flag Table */
#define ACPI_SIG_CSRT           "CSRT"	/* Core System Resource Table */
#define ACPI_SIG_DBG2           "DBG2"	/* Debug Port table type 2 */
#define ACPI_SIG_DBGP           "DBGP"	/* Debug Port table */
#define ACPI_SIG_DMAR           "DMAR"	/* DMA Remapping table */
#define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
#define ACPI_SIG_IBFT           "IBFT"	/* iSCSI Boot Firmware Table */
#define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
#define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
#define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
#define ACPI_SIG_MTMR           "MTMR"	/* MID Timer table */
#define ACPI_SIG_SLIC           "SLIC"	/* Software Licensing Description Table */
#define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
#define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
#define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
#define ACPI_SIG_VRTC           "VRTC"	/* Virtual Real Time Clock Table */
#define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
#define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
#define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
#define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */

#ifdef ACPI_UNDEFINED_TABLES
/*
 * These tables have been seen in the field, but no definition has been found
 */
#define ACPI_SIG_ATKG           "ATKG"
#define ACPI_SIG_GSCI           "GSCI"	/* GMCH SCI table */
#define ACPI_SIG_IEIT           "IEIT"
#endif

/*
 * All tables must be byte-packed to match the ACPI specification, since
 * the tables are provided by the system BIOS.
 */
#pragma pack(1)

/*
 * Note: C bitfields are not used for this reason:
 *
 * "Bitfields are great and easy to read, but unfortunately the C language
 * does not specify the layout of bitfields in memory, which means they are
 * essentially useless for dealing with packed data in on-disk formats or
 * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
 * this decision was a design error in C. Ritchie could have picked an order
 * and stuck with it." Norman Ramsey.
 * See http://stackoverflow.com/a/1053662/41661
 */

/*******************************************************************************
 *
 * ASF - Alert Standard Format table (Signature "ASF!")
 *       Revision 0x10
 *
 * Conforms to the Alert Standard Format Specification V2.0, 23 April 2003
 *
 ******************************************************************************/

struct acpi_table_asf {
	struct acpi_table_header header;	/* Common ACPI table header */
};

/* ASF subtable header */

struct acpi_asf_header {
	u8 type;
	u8 reserved;
	u16 length;
};

/* Values for Type field above */

enum acpi_asf_type {
	ACPI_ASF_TYPE_INFO = 0,
	ACPI_ASF_TYPE_ALERT = 1,
	ACPI_ASF_TYPE_CONTROL = 2,
	ACPI_ASF_TYPE_BOOT = 3,
	ACPI_ASF_TYPE_ADDRESS = 4,
	ACPI_ASF_TYPE_RESERVED = 5
};

/*
 * ASF subtables
 */

/* 0: ASF Information */

struct acpi_asf_info {
	struct acpi_asf_header header;
	u8 min_reset_value;
	u8 min_poll_interval;
	u16 system_id;
	u32 mfg_id;
	u8 flags;
	u8 reserved2[3];
};

/* Masks for Flags field above */

#define ACPI_ASF_SMBUS_PROTOCOLS    (1)

/* 1: ASF Alerts */

struct acpi_asf_alert {
	struct acpi_asf_header header;
	u8 assert_mask;
	u8 deassert_mask;
	u8 alerts;
	u8 data_length;
};

struct acpi_asf_alert_data {
	u8 address;
	u8 command;
	u8 mask;
	u8