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      1 /******************************************************************************
      2  *
      3  * Name: actbl.h - Basic ACPI Table Definitions
      4  *
      5  *****************************************************************************/
      6 
      7 /******************************************************************************
      8  *
      9  * 1. Copyright Notice
     10  *
     11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
     12  * All rights reserved.
     13  *
     14  * 2. License
     15  *
     16  * 2.1. This is your license from Intel Corp. under its intellectual property
     17  * rights.  You may have additional license terms from the party that provided
     18  * you this software, covering your right to use that party's intellectual
     19  * property rights.
     20  *
     21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
     22  * copy of the source code appearing in this file ("Covered Code") an
     23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
     24  * base code distributed originally by Intel ("Original Intel Code") to copy,
     25  * make derivatives, distribute, use and display any portion of the Covered
     26  * Code in any form, with the right to sublicense such rights; and
     27  *
     28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
     29  * license (with the right to sublicense), under only those claims of Intel
     30  * patents that are infringed by the Original Intel Code, to make, use, sell,
     31  * offer to sell, and import the Covered Code and derivative works thereof
     32  * solely to the minimum extent necessary to exercise the above copyright
     33  * license, and in no event shall the patent license extend to any additions
     34  * to or modifications of the Original Intel Code.  No other license or right
     35  * is granted directly or by implication, estoppel or otherwise;
     36  *
     37  * The above copyright and patent license is granted only if the following
     38  * conditions are met:
     39  *
     40  * 3. Conditions
     41  *
     42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
     43  * Redistribution of source code of any substantial portion of the Covered
     44  * Code or modification with rights to further distribute source must include
     45  * the above Copyright Notice, the above License, this list of Conditions,
     46  * and the following Disclaimer and Export Compliance provision.  In addition,
     47  * Licensee must cause all Covered Code to which Licensee contributes to
     48  * contain a file documenting the changes Licensee made to create that Covered
     49  * Code and the date of any change.  Licensee must include in that file the
     50  * documentation of any changes made by any predecessor Licensee.  Licensee
     51  * must include a prominent statement that the modification is derived,
     52  * directly or indirectly, from Original Intel Code.
     53  *
     54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
     55  * Redistribution of source code of any substantial portion of the Covered
     56  * Code or modification without rights to further distribute source must
     57  * include the following Disclaimer and Export Compliance provision in the
     58  * documentation and/or other materials provided with distribution.  In
     59  * addition, Licensee may not authorize further sublicense of source of any
     60  * portion of the Covered Code, and must include terms to the effect that the
     61  * license from Licensee to its licensee is limited to the intellectual
     62  * property embodied in the software Licensee provides to its licensee, and
     63  * not to intellectual property embodied in modifications its licensee may
     64  * make.
     65  *
     66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
     67  * substantial portion of the Covered Code or modification must reproduce the
     68  * above Copyright Notice, and the following Disclaimer and Export Compliance
     69  * provision in the documentation and/or other materials provided with the
     70  * distribution.
     71  *
     72  * 3.4. Intel retains all right, title, and interest in and to the Original
     73  * Intel Code.
     74  *
     75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
     76  * Intel shall be used in advertising or otherwise to promote the sale, use or
     77  * other dealings in products derived from or relating to the Covered Code
     78  * without prior written authorization from Intel.
     79  *
     80  * 4. Disclaimer and Export Compliance
     81  *
     82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
     83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
     84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
     85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
     86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
     87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
     88  * PARTICULAR PURPOSE.
     89  *
     90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
     91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
     92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
     93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
     94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
     95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
     96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
     97  * LIMITED REMEDY.
     98  *
     99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
    100  * software or system incorporating such software without first obtaining any
    101  * required license or other approval from the U. S. Department of Commerce or
    102  * any other agency or department of the United States Government.  In the
    103  * event Licensee exports any such software from the United States or
    104  * re-exports any such software from a foreign destination, Licensee shall
    105  * ensure that the distribution and export/re-export of the software is in
    106  * compliance with all laws, regulations, orders, or other restrictions of the
    107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
    108  * any of its subsidiaries will export/re-export any technical data, process,
    109  * software, or service, directly or indirectly, to any country for which the
    110  * United States government or any agency thereof requires an export license,
    111  * other governmental approval, or letter of assurance, without first obtaining
    112  * such license, approval or letter.
    113  *
    114  *****************************************************************************/
    115 
    116 #ifndef __ACTBL_H__
    117 #define __ACTBL_H__
    118 
    119 
    120 /*******************************************************************************
    121  *
    122  * Fundamental ACPI tables
    123  *
    124  * This file contains definitions for the ACPI tables that are directly consumed
    125  * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
    126  * device drivers and other OS support code.
    127  *
    128  * The RSDP and FACS do not use the common ACPI table header. All other ACPI
    129  * tables use the header.
    130  *
    131  ******************************************************************************/
    132 
    133 
    134 /*
    135  * Values for description table header signatures for tables defined in this
    136  * file. Useful because they make it more difficult to inadvertently type in
    137  * the wrong signature.
    138  */
    139 #define ACPI_SIG_DSDT           "DSDT"      /* Differentiated System Description Table */
    140 #define ACPI_SIG_FADT           "FACP"      /* Fixed ACPI Description Table */
    141 #define ACPI_SIG_FACS           "FACS"      /* Firmware ACPI Control Structure */
    142 #define ACPI_SIG_PSDT           "PSDT"      /* Persistent System Description Table */
    143 #define ACPI_SIG_RSDP           "RSD PTR "  /* Root System Description Pointer */
    144 #define ACPI_SIG_RSDT           "RSDT"      /* Root System Description Table */
    145 #define ACPI_SIG_XSDT           "XSDT"      /* Extended  System Description Table */
    146 #define ACPI_SIG_SSDT           "SSDT"      /* Secondary System Description Table */
    147 #define ACPI_RSDP_NAME          "RSDP"      /* Short name for RSDP, not signature */
    148 
    149 
    150 /*
    151  * All tables and structures must be byte-packed to match the ACPI
    152  * specification, since the tables are provided by the system BIOS
    153  */
    154 #pragma pack(1)
    155 
    156 /*
    157  * Note about bitfields: The UINT8 type is used for bitfields in ACPI tables.
    158  * This is the only type that is even remotely portable. Anything else is not
    159  * portable, so do not use any other bitfield types.
    160  */
    161 
    162 
    163 /*******************************************************************************
    164  *
    165  * Master ACPI Table Header. This common header is used by all ACPI tables
    166  * except the RSDP and FACS.
    167  *
    168  ******************************************************************************/
    169 
    170 typedef struct acpi_table_header
    171 {
    172     char                    Signature[ACPI_NAME_SIZE];          /* ASCII table signature */
    173     UINT32                  Length;                             /* Length of table in bytes, including this header */
    174     UINT8                   Revision;                           /* ACPI Specification minor version # */
    175     UINT8                   Checksum;                           /* To make sum of entire table == 0 */
    176     char                    OemId[ACPI_OEM_ID_SIZE];            /* ASCII OEM identification */
    177     char                    OemTableId[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
    178     UINT32                  OemRevision;                        /* OEM revision number */
    179     char                    AslCompilerId[ACPI_NAME_SIZE];      /* ASCII ASL compiler vendor ID */
    180     UINT32                  AslCompilerRevision;                /* ASL compiler version */
    181 
    182 } ACPI_TABLE_HEADER;
    183 
    184 
    185 /*******************************************************************************
    186  *
    187  * GAS - Generic Address Structure (ACPI 2.0+)
    188  *
    189  * Note: Since this structure is used in the ACPI tables, it is byte aligned.
    190  * If misaliged access is not supported by the hardware, accesses to the
    191  * 64-bit Address field must be performed with care.
    192  *
    193  ******************************************************************************/
    194 
    195 typedef struct acpi_generic_address
    196 {
    197     UINT8                   SpaceId;                /* Address space where struct or register exists */
    198     UINT8                   BitWidth;               /* Size in bits of given register */
    199     UINT8                   BitOffset;              /* Bit offset within the register */
    200     UINT8                   AccessWidth;            /* Minimum Access size (ACPI 3.0) */
    201     UINT64                  Address;                /* 64-bit address of struct or register */
    202 
    203 } ACPI_GENERIC_ADDRESS;
    204 
    205 
    206 /*******************************************************************************
    207  *
    208  * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
    209  *        Version 2
    210  *
    211  ******************************************************************************/
    212 
    213 typedef struct acpi_table_rsdp
    214 {
    215     char                    Signature[8];               /* ACPI signature, contains "RSD PTR " */
    216     UINT8                   Checksum;                   /* ACPI 1.0 checksum */
    217     char                    OemId[ACPI_OEM_ID_SIZE];    /* OEM identification */
    218     UINT8                   Revision;                   /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
    219     UINT32                  RsdtPhysicalAddress;        /* 32-bit physical address of the RSDT */
    220     UINT32                  Length;                     /* Table length in bytes, including header (ACPI 2.0+) */
    221     UINT64                  XsdtPhysicalAddress;        /* 64-bit physical address of the XSDT (ACPI 2.0+) */
    222     UINT8                   ExtendedChecksum;           /* Checksum of entire table (ACPI 2.0+) */
    223     UINT8                   Reserved[3];                /* Reserved, must be zero */
    224 
    225 } ACPI_TABLE_RSDP;
    226 
    227 #define ACPI_RSDP_REV0_SIZE     20                  /* Size of original ACPI 1.0 RSDP */
    228 
    229 
    230 /*******************************************************************************
    231  *
    232  * RSDT/XSDT - Root System Description Tables
    233  *             Version 1 (both)
    234  *
    235  ******************************************************************************/
    236 
    237 typedef struct acpi_table_rsdt
    238 {
    239     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
    240     UINT32                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
    241 
    242 } ACPI_TABLE_RSDT;
    243 
    244 typedef struct acpi_table_xsdt
    245 {
    246     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
    247     UINT64                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
    248 
    249 } ACPI_TABLE_XSDT;
    250 
    251 
    252 /*******************************************************************************
    253  *
    254  * FACS - Firmware ACPI Control Structure (FACS)
    255  *
    256  ******************************************************************************/
    257 
    258 typedef struct acpi_table_facs
    259 {
    260     char                    Signature[4];           /* ASCII table signature */
    261     UINT32                  Length;                 /* Length of structure, in bytes */
    262     UINT32                  HardwareSignature;      /* Hardware configuration signature */
    263     UINT32                  FirmwareWakingVector;   /* 32-bit physical address of the Firmware Waking Vector */
    264     UINT32                  GlobalLock;             /* Global Lock for shared hardware resources */
    265     UINT32                  Flags;
    266     UINT64                  XFirmwareWakingVector;  /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
    267     UINT8                   Version;                /* Version of this table (ACPI 2.0+) */
    268     UINT8                   Reserved[3];            /* Reserved, must be zero */
    269     UINT32                  OspmFlags;              /* Flags to be set by OSPM (ACPI 4.0) */
    270     UINT8                   Reserved1[24];          /* Reserved, must be zero */
    271 
    272 } ACPI_TABLE_FACS;
    273 
    274 /* Masks for GlobalLock flag field above */
    275 
    276 #define ACPI_GLOCK_PENDING          (1)             /* 00: Pending global lock ownership */
    277 #define ACPI_GLOCK_OWNED            (1<<1)          /* 01: Global lock is owned */
    278 
    279 /* Masks for Flags field above  */
    280 
    281 #define ACPI_FACS_S4_BIOS_PRESENT   (1)             /* 00: S4BIOS support is present */
    282 #define ACPI_FACS_64BIT_WAKE        (1<<1)          /* 01: 64-bit wake vector supported (ACPI 4.0) */
    283 
    284 /* Masks for OspmFlags field above */
    285 
    286 #define ACPI_FACS_64BIT_ENVIRONMENT (1)             /* 00: 64-bit wake environment is required (ACPI 4.0) */
    287 
    288 
    289 /*******************************************************************************
    290  *
    291  * FADT - Fixed ACPI Description Table (Signature "FACP")
    292  *        Version 4
    293  *
    294  ******************************************************************************/
    295 
    296 /* Fields common to all versions of the FADT */
    297 
    298 typedef struct acpi_table_fadt
    299 {
    300     ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
    301     UINT32                  Facs;               /* 32-bit physical address of FACS */
    302     UINT32                  Dsdt;               /* 32-bit physical address of DSDT */
    303     UINT8                   Model;              /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
    304     UINT8                   PreferredProfile;   /* Conveys preferred power management profile to OSPM. */
    305     UINT16                  SciInterrupt;       /* System vector of SCI interrupt */
    306     UINT32                  SmiCommand;         /* 32-bit Port address of SMI command port */
    307     UINT8                   AcpiEnable;         /* Value to write to smi_cmd to enable ACPI */
    308     UINT8                   AcpiDisable;        /* Value to write to smi_cmd to disable ACPI */
    309     UINT8                   S4BiosRequest;      /* Value to write to SMI CMD to enter S4BIOS state */
    310     UINT8                   PstateControl;      /* Processor performance state control*/
    311     UINT32                  Pm1aEventBlock;     /* 32-bit Port address of Power Mgt 1a Event Reg Blk */
    312     UINT32                  Pm1bEventBlock;     /* 32-bit Port address of Power Mgt 1b Event Reg Blk */
    313     UINT32                  Pm1aControlBlock;   /* 32-bit Port address of Power Mgt 1a Control Reg Blk */
    314     UINT32                  Pm1bControlBlock;   /* 32-bit Port address of Power Mgt 1b Control Reg Blk */
    315     UINT32                  Pm2ControlBlock;    /* 32-bit Port address of Power Mgt 2 Control Reg Blk */
    316     UINT32                  PmTimerBlock;       /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */
    317     UINT32                  Gpe0Block;          /* 32-bit Port address of General Purpose Event 0 Reg Blk */
    318     UINT32                  Gpe1Block;          /* 32-bit Port address of General Purpose Event 1 Reg Blk */
    319     UINT8                   Pm1EventLength;     /* Byte Length of ports at Pm1xEventBlock */
    320     UINT8                   Pm1ControlLength;   /* Byte Length of ports at Pm1xControlBlock */
    321     UINT8                   Pm2ControlLength;   /* Byte Length of ports at Pm2ControlBlock */
    322     UINT8                   PmTimerLength;      /* Byte Length of ports at PmTimerBlock */
    323     UINT8                   Gpe0BlockLength;    /* Byte Length of ports at Gpe0Block */
    324     UINT8                   Gpe1BlockLength;    /* Byte Length of ports at Gpe1Block */
    325     UINT8                   Gpe1Base;           /* Offset in GPE number space where GPE1 events start */
    326     UINT8                   CstControl;         /* Support for the _CST object and C States change notification */
    327     UINT16                  C2Latency;          /* Worst case HW latency to enter/exit C2 state */
    328     UINT16                  C3Latency;          /* Worst case HW latency to enter/exit C3 state */
    329     UINT16                  FlushSize;          /* Processor's memory cache line width, in bytes */
    330     UINT16                  FlushStride;        /* Number of flush strides that need to be read */
    331     UINT8                   DutyOffset;         /* Processor duty cycle index in processor's P_CNT reg */
    332     UINT8                   DutyWidth;          /* Processor duty cycle value bit width in P_CNT register */
    333     UINT8                   DayAlarm;           /* Index to day-of-month alarm in RTC CMOS RAM */
    334     UINT8                   MonthAlarm;         /* Index to month-of-year alarm in RTC CMOS RAM */
    335     UINT8                   Century;            /* Index to century in RTC CMOS RAM */
    336     UINT16                  BootFlags;          /* IA-PC Boot Architecture Flags (see below for individual flags) */
    337     UINT8                   Reserved;           /* Reserved, must be zero */
    338     UINT32                  Flags;              /* Miscellaneous flag bits (see below for individual flags) */
    339     ACPI_GENERIC_ADDRESS    ResetRegister;      /* 64-bit address of the Reset register */
    340     UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system */
    341     UINT8                   Reserved4[3];       /* Reserved, must be zero */
    342     UINT64                  XFacs;              /* 64-bit physical address of FACS */
    343     UINT64                  XDsdt;              /* 64-bit physical address of DSDT */
    344     ACPI_GENERIC_ADDRESS    XPm1aEventBlock;    /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
    345     ACPI_GENERIC_ADDRESS    XPm1bEventBlock;    /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
    346     ACPI_GENERIC_ADDRESS    XPm1aControlBlock;  /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
    347     ACPI_GENERIC_ADDRESS    XPm1bControlBlock;  /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
    348     ACPI_GENERIC_ADDRESS    XPm2ControlBlock;   /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
    349     ACPI_GENERIC_ADDRESS    XPmTimerBlock;      /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
    350     ACPI_GENERIC_ADDRESS    XGpe0Block;         /* 64-bit Extended General Purpose Event 0 Reg Blk address */
    351     ACPI_GENERIC_ADDRESS    XGpe1Block;         /* 64-bit Extended General Purpose Event 1 Reg Blk address */
    352 
    353 } ACPI_TABLE_FADT;
    354 
    355 
    356 /* Masks for FADT Boot Architecture Flags (BootFlags) */
    357 
    358 #define ACPI_FADT_LEGACY_DEVICES    (1)         /* 00: [V2] System has LPC or ISA bus devices */
    359 #define ACPI_FADT_8042              (1<<1)      /* 01: [V3] System has an 8042 controller on port 60/64 */
    360 #define ACPI_FADT_NO_VGA            (1<<2)      /* 02: [V4] It is not safe to probe for VGA hardware */
    361 #define ACPI_FADT_NO_MSI            (1<<3)      /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
    362 #define ACPI_FADT_NO_ASPM           (1<<4)      /* 04: [V4] PCIe ASPM control must not be enabled */
    363 
    364 /* Masks for FADT flags */
    365 
    366 #define ACPI_FADT_WBINVD            (1)         /* 00: [V1] The wbinvd instruction works properly */
    367 #define ACPI_FADT_WBINVD_FLUSH      (1<<1)      /* 01: [V1] wbinvd flushes but does not invalidate caches */
    368 #define ACPI_FADT_C1_SUPPORTED      (1<<2)      /* 02: [V1] All processors support C1 state */
    369 #define ACPI_FADT_C2_MP_SUPPORTED   (1<<3)      /* 03: [V1] C2 state works on MP system */
    370 #define ACPI_FADT_POWER_BUTTON      (1<<4)      /* 04: [V1] Power button is handled as a control method device */
    371 #define ACPI_FADT_SLEEP_BUTTON      (1<<5)      /* 05: [V1] Sleep button is handled as a control method device */
    372 #define ACPI_FADT_FIXED_RTC         (1<<6)      /* 06: [V1] RTC wakeup status not in fixed register space */
    373 #define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: [V1] RTC alarm can wake system from S4 */
    374 #define ACPI_FADT_32BIT_TIMER       (1<<8)      /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
    375 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9)      /* 09: [V1] Docking supported */
    376 #define ACPI_FADT_RESET_REGISTER    (1<<10)     /* 10: [V2] System reset via the FADT RESET_REG supported */
    377 #define ACPI_FADT_SEALED_CASE       (1<<11)     /* 11: [V3] No internal expansion capabilities and case is sealed */
    378 #define ACPI_FADT_HEADLESS          (1<<12)     /* 12: [V3] No local video capabilities or local input devices */
    379 #define ACPI_FADT_SLEEP_TYPE        (1<<13)     /* 13: [V3] Must execute native instruction after writing  SLP_TYPx register */
    380 #define ACPI_FADT_PCI_EXPRESS_WAKE  (1<<14)     /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
    381 #define ACPI_FADT_PLATFORM_CLOCK    (1<<15)     /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
    382 #define ACPI_FADT_S4_RTC_VALID      (1<<16)     /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
    383 #define ACPI_FADT_REMOTE_POWER_ON   (1<<17)     /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
    384 #define ACPI_FADT_APIC_CLUSTER      (1<<18)     /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
    385 #define ACPI_FADT_APIC_PHYSICAL     (1<<19)     /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
    386 
    387 
    388 /* Values for PreferredProfile (Prefered Power Management Profiles) */
    389 
    390 enum AcpiPreferedPmProfiles
    391 {
    392     PM_UNSPECIFIED          = 0,
    393     PM_DESKTOP              = 1,
    394     PM_MOBILE               = 2,
    395     PM_WORKSTATION          = 3,
    396     PM_ENTERPRISE_SERVER    = 4,
    397     PM_SOHO_SERVER          = 5,
    398     PM_APPLIANCE_PC         = 6
    399 };
    400 
    401 
    402 /* Reset to default packing */
    403 
    404 #pragma pack()
    405 
    406 
    407 /*
    408  * Internal table-related structures
    409  */
    410 typedef union acpi_name_union
    411 {
    412     UINT32                          Integer;
    413     char                            Ascii[4];
    414 
    415 } ACPI_NAME_UNION;
    416 
    417 
    418 /* Internal ACPI Table Descriptor. One per ACPI table. */
    419 
    420 typedef struct acpi_table_desc
    421 {
    422     ACPI_PHYSICAL_ADDRESS           Address;
    423     ACPI_TABLE_HEADER               *Pointer;
    424     UINT32                          Length;     /* Length fixed at 32 bits */
    425     ACPI_NAME_UNION                 Signature;
    426     ACPI_OWNER_ID                   OwnerId;
    427     UINT8                           Flags;
    428 
    429 } ACPI_TABLE_DESC;
    430 
    431 /* Masks for Flags field above */
    432 
    433 #define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
    434 #define ACPI_TABLE_ORIGIN_MAPPED        (1)
    435 #define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
    436 #define ACPI_TABLE_ORIGIN_OVERRIDE      (4)
    437 #define ACPI_TABLE_ORIGIN_MASK          (7)
    438 #define ACPI_TABLE_IS_LOADED            (8)
    439 
    440 
    441 /*
    442  * Get the remaining ACPI tables
    443  */
    444 #include "actbl1.h"
    445 #include "actbl2.h"
    446 
    447 /* Macros used to generate offsets to specific table fields */
    448 
    449 #define ACPI_FADT_OFFSET(f)             (UINT8) ACPI_OFFSET (ACPI_TABLE_FADT, f)
    450 
    451 #endif /* __ACTBL_H__ */
    452