[linux-block.git] / include / acpi / actbl1.h

/******************************************************************************
 *
 * Name: actbl1.h - Additional ACPI table definitions
 *
 *****************************************************************************/

/*
 * 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 __ACTBL1_H__
#define __ACTBL1_H__

/*******************************************************************************
 *
 * Additional ACPI Tables
 *
 * These tables are not consumed directly by the ACPICA subsystem, but are
 * included here to support device drivers and the AML disassembler.
 *
 ******************************************************************************/

/*
 * Values for description table header signatures. 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_CPEP           "CPEP"	/* Corrected Platform Error Polling table */
#define ACPI_SIG_DBGP           "DBGP"	/* Debug Port table */
#define ACPI_SIG_ECDT           "ECDT"	/* Embedded Controller Boot Resources Table */
#define ACPI_SIG_HPET           "HPET"	/* High Precision Event Timer table */
#define ACPI_SIG_MADT           "APIC"	/* Multiple APIC Description Table */
#define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
#define ACPI_SIG_SBST           "SBST"	/* Smart Battery Specification Table */
#define ACPI_SIG_SLIT           "SLIT"	/* System Locality Distance Information Table */
#define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
#define ACPI_SIG_SRAT           "SRAT"	/* System Resource Affinity Table */
#define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
#define ACPI_SIG_WDRT           "WDRT"	/* Watchdog Resource Table */

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

/*
 * 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.
 */

/* Common Sub-table header (used in MADT, SRAT, etc.) */

struct acpi_subtable_header {
	u8 type;
	u8 length;
};

/*******************************************************************************
 *
 * ASF - Alert Standard Format table (Signature "ASF!")
 *
 ******************************************************************************/

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];
};

/* 1: ASF Alerts */

struct acpi_asf_alert {
	struct acpi_asf_header header;
	u8 assert_mask;
	u8 deassert_mask;
	u8 alerts;
	u8 data_length;
	u8 array[1];
};

/* 2: ASF Remote Control */

struct acpi_asf_remote {
	struct acpi_asf_header header;
	u8 controls;
	u8 data_length;
	u16 reserved2;
	u8 array[1];
};

/* 3: ASF RMCP Boot Options */

struct acpi_asf_rmcp {
	struct acpi_asf_header header;
	u8 capabilities[7];
	u8 completion_code;
	u32 enterprise_id;
	u8 command;
	u16 parameter;
	u16 boot_options;
	u16 oem_parameters;
};

/* 4: ASF Address */

struct acpi_asf_address {
	struct acpi_asf_header header;
	u8 eprom_address;
	u8 devices;
	u8 smbus_addresses[1];
};

/*******************************************************************************
 *
 * BOOT - Simple Boot Flag Table
 *
 ******************************************************************************/

struct acpi_table_boot {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 cmos_index;		/* Index in CMOS RAM for the boot register */
	u8 reserved[3];
};

/*******************************************************************************
 *
 * CPEP - Corrected Platform Error Polling table
 *
 ******************************************************************************/

struct acpi_table_cpep {
	struct acpi_table_header header;	/* Common ACPI table header */
	u64 reserved;
};

/* Subtable */

struct acpi_cpep_polling {
	u8 type;
	u8 length;
	u8 id;			/* Processor ID */
	u8 eid;			/* Processor EID */
	u32 interval;		/* Polling interval (msec) */
};

/*******************************************************************************
 *
 * DBGP - Debug Port table
 *
 ******************************************************************************/

struct acpi_table_dbgp {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 type;		/* 0=full 16550, 1=subset of 16550 */
	u8 reserved[3];
	struct acpi_generic_address debug_port;
};

/*******************************************************************************
 *
 * ECDT - Embedded Controller Boot Resources Table
 *
 ******************************************************************************/

struct acpi_table_ecdt {
	struct acpi_table_header header;	/* Common ACPI table header */
	struct acpi_generic_address control;	/* Address of EC command/status register */
	struct acpi_generic_address data;	/* Address of EC data register */
	u32 uid;		/* Unique ID - must be same as the EC _UID method */
	u8 gpe;			/* The GPE for the EC */
	u8 id[1];		/* Full namepath of the EC in the ACPI namespace */
};

/*******************************************************************************
 *
 * HPET - High Precision Event Timer table
 *
 ******************************************************************************/

struct acpi_table_hpet {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 id;			/* Hardware ID of event timer block */
	struct acpi_generic_address address;	/* Address of event timer block */
	u8 sequence;		/* HPET sequence number */
	u16 minimum_tick;	/* Main counter min tick, periodic mode */
	u8 flags;
};

/*! Flags */

#define ACPI_HPET_PAGE_PROTECT      (1)	/* 00: No page protection */
#define ACPI_HPET_PAGE_PROTECT_4    (1<<1)	/* 01: 4KB page protected */
#define ACPI_HPET_PAGE_PROTECT_64   (1<<2)	/* 02: 64KB page protected */

/*! [End] no source code translation !*/

/*******************************************************************************
 *
 * MADT - Multiple APIC Description Table
 *
 ******************************************************************************/

struct acpi_table_madt {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 address;		/* Physical address of local APIC */
	u32 flags;
};

/* Flags */

#define ACPI_MADT_PCAT_COMPAT       (1)	/* 00:    System also has dual 8259s */

/* Values for PCATCompat flag */

#define ACPI_MADT_DUAL_PIC          0
#define ACPI_MADT_MULTIPLE_APIC     1

/* Values for subtable type in struct acpi_subtable_header */

enum acpi_madt_type {
	ACPI_MADT_TYPE_LOCAL_APIC = 0,
	ACPI_MADT_TYPE_IO_APIC = 1,
	ACPI_MADT_TYPE_INTERRUPT_OVERRIDE = 2,
	ACPI_MADT_TYPE_NMI_SOURCE = 3,
	ACPI_MADT_TYPE_LOCAL_APIC_NMI = 4,
	ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE = 5,
	ACPI_MADT_TYPE_IO_SAPIC = 6,
	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
	ACPI_MADT_TYPE_RESERVED = 9	/* 9 and greater are reserved */
};

/*
 * MADT Sub-tables, correspond to Type in struct acpi_subtable_header
 */

/* 0: Processor Local APIC */

struct acpi_madt_local_apic {
	struct acpi_subtable_header header;
	u8 processor_id;	/* ACPI processor id */
	u8 id;			/* Processor's local APIC id */
	u32 lapic_flags;
};

/* 1: IO APIC */

struct acpi_madt_io_apic {
	struct acpi_subtable_header header;
	u8 id;			/* I/O APIC ID */
	u8 reserved;		/* Reserved - must be zero */
	u32 address;		/* APIC physical address */
	u32 global_irq_base;	/* Global system interrupt where INTI lines start */
};

/* 2: Interrupt Override */

struct acpi_madt_interrupt_override {
	struct acpi_subtable_header header;
	u8 bus;			/* 0 - ISA */
	u8 source_irq;		/* Interrupt source (IRQ) */
	u32 global_irq;		/* Global system interrupt */
	u16 inti_flags;
};

/* 3: NMI Source */

struct acpi_madt_nmi_source {
	struct acpi_subtable_header header;
	u16 inti_flags;
	u32 global_irq;		/* Global system interrupt */
};

/* 4: Local APIC NMI */

struct acpi_madt_local_apic_nmi {
	struct acpi_subtable_header header;
	u8 processor_id;	/* ACPI processor id */
	u16 inti_flags;
	u8 lint;		/* LINTn to which NMI is connected */
};

/* 5: Address Override */

struct acpi_madt_local_apic_override {
	struct acpi_subtable_header header;
	u16 reserved;		/* Reserved, must be zero */
	u64 address;		/* APIC physical address */
};

/* 6: I/O Sapic */

struct acpi_madt_io_sapic {
	struct acpi_subtable_header header;
	u8 id;			/* I/O SAPIC ID */
	u8 reserved;		/* Reserved, must be zero */
	u32 global_irq_base;	/* Global interrupt for SAPIC start */
	u64 address;		/* SAPIC physical address */
};

/* 7: Local Sapic */

struct acpi_madt_local_sapic {
	struct acpi_subtable_header header;
	u8 processor_id;	/* ACPI processor id */
	u8 id;			/* SAPIC ID */
	u8 eid;			/* SAPIC EID */
	u8 reserved[3];		/* Reserved, must be zero */
	u32 lapic_flags;
	u32 uid;		/* Numeric UID - ACPI 3.0 */
	char uid_string[1];	/* String UID  - ACPI 3.0 */
};

/* 8: Platform Interrupt Source */

struct acpi_madt_interrupt_source {
	struct acpi_subtable_header header;
	u16 inti_flags;
	u8 type;		/* 1=PMI, 2=INIT, 3=corrected */
	u8 id;			/* Processor ID */
	u8 eid;			/* Processor EID */
	u8 io_sapic_vector;	/* Vector value for PMI interrupts */
	u32 global_irq;		/* Global system interrupt */
	u32 flags;		/* Interrupt Source Flags */
};

/* Flags field above */

#define ACPI_MADT_CPEI_OVERRIDE     (1)

/*
 * Common flags fields for MADT subtables
 */

/* MADT Local APIC flags (lapic_flags) */

#define ACPI_MADT_ENABLED           (1)	/* 00: Processor is usable if set */

/* MADT MPS INTI flags (inti_flags) */

#define ACPI_MADT_POLARITY_MASK     (3)	/* 00-01: Polarity of APIC I/O input signals */
#define ACPI_MADT_TRIGGER_MASK      (3<<2)	/* 02-03: Trigger mode of APIC input signals */

/* Values for MPS INTI flags */

#define ACPI_MADT_POLARITY_CONFORMS       0
#define ACPI_MADT_POLARITY_ACTIVE_HIGH    1
#define ACPI_MADT_POLARITY_RESERVED       2
#define ACPI_MADT_POLARITY_ACTIVE_LOW     3

#define ACPI_MADT_TRIGGER_CONFORMS        (0)
#define ACPI_MADT_TRIGGER_EDGE            (1<<2)
#define ACPI_MADT_TRIGGER_RESERVED        (2<<2)
#define ACPI_MADT_TRIGGER_LEVEL           (3<<2)

/*******************************************************************************
 *
 * MCFG - PCI Memory Mapped Configuration table and sub-table
 *
 ******************************************************************************/

struct acpi_table_mcfg {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 reserved[8];
};

/* Subtable */

struct acpi_mcfg_allocation {
	u64 address;		/* Base address, processor-relative */
	u16 pci_segment;	/* PCI segment group number */
	u8 start_bus_number;	/* Starting PCI Bus number */
	u8 end_bus_number;	/* Final PCI Bus number */
	u32 reserved;
};

/*******************************************************************************
 *
 * SBST - Smart Battery Specification Table
 *
 ******************************************************************************/

struct acpi_table_sbst {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 warning_level;
	u32 low_level;
	u32 critical_level;
};

/*******************************************************************************
 *
 * SLIT - System Locality Distance Information Table
 *
 ******************************************************************************/

struct acpi_table_slit {
	struct acpi_table_header header;	/* Common ACPI table header */
	u64 locality_count;
	u8 entry[1];		/* Real size = localities^2 */
};

/*******************************************************************************
 *
 * SPCR - Serial Port Console Redirection table
 *
 ******************************************************************************/

struct acpi_table_spcr {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 interface_type;	/* 0=full 16550, 1=subset of 16550 */
	u8 reserved[3];
	struct acpi_generic_address serial_port;
	u8 interrupt_type;
	u8 pc_interrupt;
	u32 interrupt;
	u8 baud_rate;
	u8 parity;
	u8 stop_bits;
	u8 flow_control;
	u8 terminal_type;
	u8 reserved1;
	u16 pci_device_id;
	u16 pci_vendor_id;
	u8 pci_bus;
	u8 pci_device;
	u8 pci_function;
	u32 pci_flags;
	u8 pci_segment;
	u32 reserved2;
};

/*******************************************************************************
 *
 * SPMI - Server Platform Management Interface table
 *
 ******************************************************************************/

struct acpi_table_spmi {
	struct acpi_table_header header;	/* Common ACPI table header */
	u8 reserved;
	u8 interface_type;
	u16 spec_revision;	/* Version of IPMI */
	u8 interrupt_type;
	u8 gpe_number;		/* GPE assigned */
	u8 reserved1;
	u8 pci_device_flag;
	u32 interrupt;
	struct acpi_generic_address ipmi_register;
	u8 pci_segment;
	u8 pci_bus;
	u8 pci_device;
	u8 pci_function;
};

/*******************************************************************************
 *
 * SRAT - System Resource Affinity Table
 *
 ******************************************************************************/

struct acpi_table_srat {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 table_revision;	/* Must be value '1' */
	u64 reserved;		/* Reserved, must be zero */
};

/* Values for subtable type in struct acpi_subtable_header */

enum acpi_srat_type {
	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
	ACPI_SRAT_TYPE_RESERVED = 2
};

/* SRAT sub-tables */

struct acpi_srat_cpu_affinity {
	struct acpi_subtable_header header;
	u8 proximity_domain_lo;
	u8 apic_id;
	u32 flags;
	u8 local_sapic_eid;
	u8 proximity_domain_hi[3];
	u32 reserved;		/* Reserved, must be zero */
};

/* Flags */

#define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */

struct acpi_srat_mem_affinity {
	struct acpi_subtable_header header;
	u32 proximity_domain;
	u16 reserved;		/* Reserved, must be zero */
	u64 base_address;
	u64 length;
	u32 memory_type;	/* See acpi_address_range_id */
	u32 flags;
	u64 reserved1;		/* Reserved, must be zero */
};

/* Flags */

#define ACPI_SRAT_MEM_ENABLED       (1)	/* 00: Use affinity structure */
#define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
#define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */

/* Memory types */

enum acpi_address_range_id {
	ACPI_ADDRESS_RANGE_MEMORY = 1,
	ACPI_ADDRESS_RANGE_RESERVED = 2,
	ACPI_ADDRESS_RANGE_ACPI = 3,
	ACPI_ADDRESS_RANGE_NVS = 4,
	ACPI_ADDRESS_RANGE_COUNT = 5
};

/*******************************************************************************
 *
 * TCPA - Trusted Computing Platform Alliance table
 *
 ******************************************************************************/

struct acpi_table_tcpa {
	struct acpi_table_header header;	/* Common ACPI table header */
	u16 reserved;
	u32 max_log_length;	/* Maximum length for the event log area */
	u64 log_address;	/* Address of the event log area */
};

/*******************************************************************************
 *
 * WDRT - Watchdog Resource Table
 *
 ******************************************************************************/

struct acpi_table_wdrt {
	struct acpi_table_header header;	/* Common ACPI table header */
	u32 header_length;	/* Watchdog Header Length */
	u8 pci_segment;		/* PCI Segment number */
	u8 pci_bus;		/* PCI Bus number */
	u8 pci_device;		/* PCI Device number */
	u8 pci_function;	/* PCI Function number */
	u32 timer_period;	/* Period of one timer count (msec) */
	u32 max_count;		/* Maximum counter value supported */
	u32 min_count;		/* Minimum counter value */
	u8 flags;
	u8 reserved[3];
	u32 entries;		/* Number of watchdog entries that follow */
};

/* Flags */

#define ACPI_WDRT_TIMER_ENABLED     (1)	/* 00: Timer enabled */

/* Reset to default packing */

#pragma pack()

#endif				/* __ACTBL1_H__ */