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/******************************************************************************
*
* Name: actbl.h - Basic ACPI Table Definitions
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2018, 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 __ACTBL_H__
#define __ACTBL_H__
/*******************************************************************************
*
* Fundamental ACPI tables
*
* This file contains definitions for the ACPI tables that are directly consumed
* by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
* device drivers and other OS support code.
*
* The RSDP and FACS do not use the common ACPI table header. All other ACPI
* tables use the header.
*
******************************************************************************/
/*
* 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_DSDT "DSDT" /* Differentiated System Description Table */
#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
#define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
#define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */
#define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
#define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
#define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
#define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
#define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
#define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
#define ACPI_OEM_NAME "OEM" /* Short name for OEM, not signature */
/*
* All tables and structures 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
*/
/*******************************************************************************
*
* Master ACPI Table Header. This common header is used by all ACPI tables
* except the RSDP and FACS.
*
******************************************************************************/
typedef struct acpi_table_header
{
char Signature[ACPI_NAME_SIZE]; /* ASCII table signature */
UINT32 Length; /* Length of table in bytes, including this header */
UINT8 Revision; /* ACPI Specification minor version number */
UINT8 Checksum; /* To make sum of entire table == 0 */
char OemId[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
char OemTableId[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
UINT32 OemRevision; /* OEM revision number */
char AslCompilerId[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
UINT32 AslCompilerRevision; /* ASL compiler version */
} ACPI_TABLE_HEADER;
/*******************************************************************************
*
* GAS - Generic Address Structure (ACPI 2.0+)
*
* Note: Since this structure is used in the ACPI tables, it is byte aligned.
* If misaligned access is not supported by the hardware, accesses to the
* 64-bit Address field must be performed with care.
*
******************************************************************************/
typedef struct acpi_generic_address
{
UINT8 SpaceId; /* Address space where struct or register exists */
UINT8 BitWidth; /* Size in bits of given register */
UINT8 BitOffset; /* Bit offset within the register */
UINT8 AccessWidth; /* Minimum Access size (ACPI 3.0) */
UINT64 Address; /* 64-bit address of struct or register */
} ACPI_GENERIC_ADDRESS;
/*******************************************************************************
*
* RSDP - Root System Description Pointer (Signature is "RSD PTR ")
* Version 2
*
******************************************************************************/
typedef struct acpi_table_rsdp
{
char Signature[8]; /* ACPI signature, contains "RSD PTR " */
UINT8 Checksum; /* ACPI 1.0 checksum */
char OemId[ACPI_OEM_ID_SIZE]; /* OEM identification */
UINT8 Revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
UINT32 RsdtPhysicalAddress; /* 32-bit physical address of the RSDT */
UINT32 Length; /* Table length in bytes, including header (ACPI 2.0+) */
UINT64 XsdtPhysicalAddress; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
UINT8 ExtendedChecksum; /* Checksum of entire table (ACPI 2.0+) */
UINT8 Reserved[3]; /* Reserved, must be zero */
} ACPI_TABLE_RSDP;
/* Standalone struct for the ACPI 1.0 RSDP */
typedef struct acpi_rsdp_common
{
char Signature[8];
UINT8 Checksum;
char OemId[ACPI_OEM_ID_SIZE];
UINT8 Revision;
UINT32 RsdtPhysicalAddress;
} ACPI_RSDP_COMMON;
/* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
typedef struct acpi_rsdp_extension
{
UINT32 Length;
UINT64 XsdtPhysicalAddress;
UINT8 ExtendedChecksum;
UINT8 Reserved[3];
} ACPI_RSDP_EXTENSION;
/*******************************************************************************
*
* RSDT/XSDT - Root System Description Tables
* Version 1 (both)
*
******************************************************************************/
typedef struct acpi_table_rsdt
{
ACPI_TABLE_HEADER Header; /* Common ACPI table header */
UINT32 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
} ACPI_TABLE_RSDT;
typedef struct acpi_table_xsdt
{
ACPI_TABLE_HEADER Header; /* Common ACPI table header */
UINT64 TableOffsetEntry[1]; /* Array of pointers to ACPI tables */
} ACPI_TABLE_XSDT;
#define ACPI_RSDT_ENTRY_SIZE (sizeof (UINT32))
#define ACPI_XSDT_ENTRY_SIZE (sizeof (UINT64))
/*******************************************************************************
*
* FACS - Firmware ACPI Control Structure (FACS)
*
******************************************************************************/
typedef struct acpi_table_facs
{
char Signature[4]; /* ASCII table signature */
UINT32 Length; /* Length of structure, in bytes */
UINT32 HardwareSignature; /* Hardware configuration signature */
UINT32 FirmwareWakingVector; /* 32-bit physical address of the Firmware Waking Vector */
UINT32 GlobalLock; /* Global Lock for shared hardware resources */
UINT32 Flags;
UINT64 XFirmwareWakingVector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
UINT8 Version; /* Version of this table (ACPI 2.0+) */
UINT8 Reserved[3]; /* Reserved, must be zero */
UINT32 OspmFlags; /* Flags to be set by OSPM (ACPI 4.0) */
UINT8 Reserved1[24]; /* Reserved, must be zero */
} ACPI_TABLE_FACS;
/* Masks for GlobalLock flag field above */
#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
/* Masks for Flags field above */
#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
/* Masks for OspmFlags field above */
#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
/*******************************************************************************
*
* FADT - Fixed ACPI Description Table (Signature "FACP")
* Version 6
*
******************************************************************************/
/* Fields common to all versions of the FADT */
typedef struct acpi_table_fadt
{
ACPI_TABLE_HEADER Header; /* Common ACPI table header */
UINT32 Facs; /* 32-bit physical address of FACS */
UINT32 Dsdt; /* 32-bit physical address of DSDT */
UINT8 Model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
UINT8 PreferredProfile; /* Conveys preferred power management profile to OSPM. */
UINT16 SciInterrupt; /* System vector of SCI interrupt */
UINT32 SmiCommand; /* 32-bit Port address of SMI command port */
UINT8 AcpiEnable; /* Value to write to SMI_CMD to enable ACPI */
UINT8 AcpiDisable; /* Value to write to SMI_CMD to disable ACPI */
UINT8 S4BiosRequest; /* Value to write to SMI_CMD to enter S4BIOS state */
UINT8 PstateControl; /* Processor performance state control*/
UINT32 Pm1aEventBlock; /* 32-bit port address of Power Mgt 1a Event Reg Blk */
UINT32 Pm1bEventBlock; /* 32-bit port address of Power Mgt 1b Event Reg Blk */
UINT32 Pm1aControlBlock; /* 32-bit port address of Power Mgt 1a Control Reg Blk */
UINT32 Pm1bControlBlock; /* 32-bit port address of Power Mgt 1b Control Reg Blk */
UINT32 Pm2ControlBlock; /* 32-bit port address of Power Mgt 2 Control Reg Blk */
UINT32 PmTimerBlock; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
UINT32 Gpe0Block; /* 32-bit port address of General Purpose Event 0 Reg Blk */
UINT32 Gpe1Block; /* 32-bit port address of General Purpose Event 1 Reg Blk */
UINT8 Pm1EventLength; /* Byte Length of ports at Pm1xEventBlock */
UINT8 Pm1ControlLength; /* Byte Length of ports at Pm1xControlBlock */
UINT8 Pm2ControlLength; /* Byte Length of ports at Pm2ControlBlock */
UINT8 PmTimerLength; /* Byte Length of ports at PmTimerBlock */
UINT8 Gpe0BlockLength; /* Byte Length of ports at Gpe0Block */
UINT8 Gpe1BlockLength; /* Byte Length of ports at Gpe1Block */
UINT8 Gpe1Base; /* Offset in GPE number space where GPE1 events start */
UINT8 CstControl; /* Support for the _CST object and C-States change notification */
UINT16 C2Latency; /* Worst case HW latency to enter/exit C2 state */
UINT16 C3Latency; /* Worst case HW latency to enter/exit C3 state */
UINT16 FlushSize; /* Processor memory cache line width, in bytes */
UINT16 FlushStride; /* Number of flush strides that need to be read */
UINT8 DutyOffset; /* Processor duty cycle index in processor P_CNT reg */
UINT8 DutyWidth; /* Processor duty cycle value bit width in P_CNT register */
UINT8 DayAlarm; /* Index to day-of-month alarm in RTC CMOS RAM */
UINT8 MonthAlarm; /* Index to month-of-year alarm in RTC CMOS RAM */
UINT8 Century; /* Index to century in RTC CMOS RAM */
UINT16 BootFlags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
UINT8 Reserved; /* Reserved, must be zero */
UINT32 Flags; /* Miscellaneous flag bits (see below for individual flags) */
ACPI_GENERIC_ADDRESS ResetRegister; /* 64-bit address of the Reset register */
UINT8 ResetValue; /* Value to write to the ResetRegister port to reset the system */
UINT16 ArmBootFlags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
UINT8 MinorRevision; /* FADT Minor Revision (ACPI 5.1) */
UINT64 XFacs; /* 64-bit physical address of FACS */
UINT64 XDsdt; /* 64-bit physical address of DSDT */
ACPI_GENERIC_ADDRESS XPm1aEventBlock; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
ACPI_GENERIC_ADDRESS XPm1bEventBlock; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
ACPI_GENERIC_ADDRESS XPm1aControlBlock; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
ACPI_GENERIC_ADDRESS XPm1bControlBlock; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
ACPI_GENERIC_ADDRESS XPm2ControlBlock; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
ACPI_GENERIC_ADDRESS XPmTimerBlock; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
ACPI_GENERIC_ADDRESS XGpe0Block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
ACPI_GENERIC_ADDRESS XGpe1Block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
ACPI_GENERIC_ADDRESS SleepControl; /* 64-bit Sleep Control register (ACPI 5.0) */
ACPI_GENERIC_ADDRESS SleepStatus; /* 64-bit Sleep Status register (ACPI 5.0) */
UINT64 HypervisorId; /* Hypervisor Vendor ID (ACPI 6.0) */
} ACPI_TABLE_FADT;
/* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
#define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */
/* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
#define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */
#define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
/* Masks for FADT flags */
#define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */
#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */
#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */
#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
#define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
#define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
/* Values for PreferredProfile (Preferred Power Management Profiles) */
enum AcpiPreferredPmProfiles
{
PM_UNSPECIFIED = 0,
PM_DESKTOP = 1,
PM_MOBILE = 2,
PM_WORKSTATION = 3,
PM_ENTERPRISE_SERVER = 4,
PM_SOHO_SERVER = 5,
PM_APPLIANCE_PC = 6,
PM_PERFORMANCE_SERVER = 7,
PM_TABLET = 8
};
/* Values for SleepStatus and SleepControl registers (V5+ FADT) */
#define ACPI_X_WAKE_STATUS 0x80
#define ACPI_X_SLEEP_TYPE_MASK 0x1C
#define ACPI_X_SLEEP_TYPE_POSITION 0x02
#define ACPI_X_SLEEP_ENABLE 0x20
/* Reset to default packing */
#pragma pack()
/*
* Internal table-related structures
*/
typedef union acpi_name_union
{
UINT32 Integer;
char Ascii[4];
} ACPI_NAME_UNION;
/* Internal ACPI Table Descriptor. One per ACPI table. */
typedef struct acpi_table_desc
{
ACPI_PHYSICAL_ADDRESS Address;
ACPI_TABLE_HEADER *Pointer;
UINT32 Length; /* Length fixed at 32 bits (fixed in table header) */
ACPI_NAME_UNION Signature;
ACPI_OWNER_ID OwnerId;
UINT8 Flags;
UINT16 ValidationCount;
} ACPI_TABLE_DESC;
/*
* Maximum value of the ValidationCount field in ACPI_TABLE_DESC.
* When reached, ValidationCount cannot be changed any more and the table will
* be permanently regarded as validated.
*
* This is to prevent situations in which unbalanced table get/put operations
* may cause premature table unmapping in the OS to happen.
*
* The maximum validation count can be defined to any value, but should be
* greater than the maximum number of OS early stage mapping slots to avoid
* leaking early stage table mappings to the late stage.
*/
#define ACPI_MAX_TABLE_VALIDATIONS ACPI_UINT16_MAX
/* Masks for Flags field above */
#define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */
#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
#define ACPI_TABLE_ORIGIN_MASK (3)
#define ACPI_TABLE_IS_VERIFIED (4)
#define ACPI_TABLE_IS_LOADED (8)
/*
* Get the remaining ACPI tables
*/
#include "actbl1.h"
#include "actbl2.h"
#include "actbl3.h"
/* Macros used to generate offsets to specific table fields */
#define ACPI_FADT_OFFSET(f) (UINT16) ACPI_OFFSET (ACPI_TABLE_FADT, f)
/*
* Sizes of the various flavors of FADT. We need to look closely
* at the FADT length because the version number essentially tells
* us nothing because of many BIOS bugs where the version does not
* match the expected length. In other words, the length of the
* FADT is the bottom line as to what the version really is.
*
* For reference, the values below are as follows:
* FADT V1 size: 0x074
* FADT V2 size: 0x084
* FADT V3 size: 0x0F4
* FADT V4 size: 0x0F4
* FADT V5 size: 0x10C
* FADT V6 size: 0x114
*/
#define ACPI_FADT_V1_SIZE (UINT32) (ACPI_FADT_OFFSET (Flags) + 4)
#define ACPI_FADT_V2_SIZE (UINT32) (ACPI_FADT_OFFSET (MinorRevision) + 1)
#define ACPI_FADT_V3_SIZE (UINT32) (ACPI_FADT_OFFSET (SleepControl))
#define ACPI_FADT_V5_SIZE (UINT32) (ACPI_FADT_OFFSET (HypervisorId))
#define ACPI_FADT_V6_SIZE (UINT32) (sizeof (ACPI_TABLE_FADT))
#define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)"
#endif /* __ACTBL_H__ */
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