arch/all-pc/acpica/source/include/actbl.h

   1 /******************************************************************************
   2  *
   3  * Name: actbl.h - Basic ACPI Table Definitions
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2013, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #ifndef __ACTBL_H__
  45 #define __ACTBL_H__
  46
  47
  48 /*******************************************************************************
  49  *
  50  * Fundamental ACPI tables
  51  *
  52  * This file contains definitions for the ACPI tables that are directly consumed
  53  * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
  54  * device drivers and other OS support code.
  55  *
  56  * The RSDP and FACS do not use the common ACPI table header. All other ACPI
  57  * tables use the header.
  58  *
  59  ******************************************************************************/
  60
  61
  62 /*
  63  * Values for description table header signatures for tables defined in this
  64  * file. Useful because they make it more difficult to inadvertently type in
  65  * the wrong signature.
  66  */
  67 #define ACPI_SIG_DSDT           "DSDT"      /* Differentiated System Description Table */
  68 #define ACPI_SIG_FADT           "FACP"      /* Fixed ACPI Description Table */
  69 #define ACPI_SIG_FACS           "FACS"      /* Firmware ACPI Control Structure */
  70 #define ACPI_SIG_PSDT           "PSDT"      /* Persistent System Description Table */
  71 #define ACPI_SIG_RSDP           "RSD PTR "  /* Root System Description Pointer */
  72 #define ACPI_SIG_RSDT           "RSDT"      /* Root System Description Table */
  73 #define ACPI_SIG_XSDT           "XSDT"      /* Extended  System Description Table */
  74 #define ACPI_SIG_SSDT           "SSDT"      /* Secondary System Description Table */
  75 #define ACPI_RSDP_NAME          "RSDP"      /* Short name for RSDP, not signature */
  76
  77
  78 /*
  79  * All tables and structures must be byte-packed to match the ACPI
  80  * specification, since the tables are provided by the system BIOS
  81  */
  82 #pragma pack(1)
  83
  84 /*
  85  * Note: C bitfields are not used for this reason:
  86  *
  87  * "Bitfields are great and easy to read, but unfortunately the C language
  88  * does not specify the layout of bitfields in memory, which means they are
  89  * essentially useless for dealing with packed data in on-disk formats or
  90  * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
  91  * this decision was a design error in C. Ritchie could have picked an order
  92  * and stuck with it." Norman Ramsey.
  93  * See http://stackoverflow.com/a/1053662/41661
  94  */
  95
  96
  97 /*******************************************************************************
  98  *
  99  * Master ACPI Table Header. This common header is used by all ACPI tables
 100  * except the RSDP and FACS.
 101  *
 102  ******************************************************************************/
 103
 104 typedef struct acpi_table_header
 105 {
 106     char                    Signature[ACPI_NAME_SIZE];          /* ASCII table signature */
 107     UINT32                  Length;                             /* Length of table in bytes, including this header */
 108     UINT8                   Revision;                           /* ACPI Specification minor version number */
 109     UINT8                   Checksum;                           /* To make sum of entire table == 0 */
 110     char                    OemId[ACPI_OEM_ID_SIZE];            /* ASCII OEM identification */
 111     char                    OemTableId[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
 112     UINT32                  OemRevision;                        /* OEM revision number */
 113     char                    AslCompilerId[ACPI_NAME_SIZE];      /* ASCII ASL compiler vendor ID */
 114     UINT32                  AslCompilerRevision;                /* ASL compiler version */
 115
 116 } ACPI_TABLE_HEADER;
 117
 118
 119 /*******************************************************************************
 120  *
 121  * GAS - Generic Address Structure (ACPI 2.0+)
 122  *
 123  * Note: Since this structure is used in the ACPI tables, it is byte aligned.
 124  * If misaligned access is not supported by the hardware, accesses to the
 125  * 64-bit Address field must be performed with care.
 126  *
 127  ******************************************************************************/
 128
 129 typedef struct acpi_generic_address
 130 {
 131     UINT8                   SpaceId;                /* Address space where struct or register exists */
 132     UINT8                   BitWidth;               /* Size in bits of given register */
 133     UINT8                   BitOffset;              /* Bit offset within the register */
 134     UINT8                   AccessWidth;            /* Minimum Access size (ACPI 3.0) */
 135     UINT64                  Address;                /* 64-bit address of struct or register */
 136
 137 } ACPI_GENERIC_ADDRESS;
 138
 139
 140 /*******************************************************************************
 141  *
 142  * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
 143  *        Version 2
 144  *
 145  ******************************************************************************/
 146
 147 typedef struct acpi_table_rsdp
 148 {
 149     char                    Signature[8];               /* ACPI signature, contains "RSD PTR " */
 150     UINT8                   Checksum;                   /* ACPI 1.0 checksum */
 151     char                    OemId[ACPI_OEM_ID_SIZE];    /* OEM identification */
 152     UINT8                   Revision;                   /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
 153     UINT32                  RsdtPhysicalAddress;        /* 32-bit physical address of the RSDT */
 154     UINT32                  Length;                     /* Table length in bytes, including header (ACPI 2.0+) */
 155     UINT64                  XsdtPhysicalAddress;        /* 64-bit physical address of the XSDT (ACPI 2.0+) */
 156     UINT8                   ExtendedChecksum;           /* Checksum of entire table (ACPI 2.0+) */
 157     UINT8                   Reserved[3];                /* Reserved, must be zero */
 158
 159 } ACPI_TABLE_RSDP;
 160
 161 /* Standalone struct for the ACPI 1.0 RSDP */
 162
 163 typedef struct acpi_rsdp_common
 164 {
 165     char                    Signature[8];
 166     UINT8                   Checksum;
 167     char                    OemId[ACPI_OEM_ID_SIZE];
 168     UINT8                   Revision;
 169     UINT32                  RsdtPhysicalAddress;
 170
 171 } ACPI_RSDP_COMMON;
 172
 173 /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
 174
 175 typedef struct acpi_rsdp_extension
 176 {
 177     UINT32                  Length;
 178     UINT64                  XsdtPhysicalAddress;
 179     UINT8                   ExtendedChecksum;
 180     UINT8                   Reserved[3];
 181
 182 } ACPI_RSDP_EXTENSION;
 183
 184
 185 /*******************************************************************************
 186  *
 187  * RSDT/XSDT - Root System Description Tables
 188  *             Version 1 (both)
 189  *
 190  ******************************************************************************/
 191
 192 typedef struct acpi_table_rsdt
 193 {
 194     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
 195     UINT32                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
 196
 197 } ACPI_TABLE_RSDT;
 198
 199 typedef struct acpi_table_xsdt
 200 {
 201     ACPI_TABLE_HEADER       Header;                 /* Common ACPI table header */
 202     UINT64                  TableOffsetEntry[1];    /* Array of pointers to ACPI tables */
 203
 204 } ACPI_TABLE_XSDT;
 205
 206
 207 /*******************************************************************************
 208  *
 209  * FACS - Firmware ACPI Control Structure (FACS)
 210  *
 211  ******************************************************************************/
 212
 213 typedef struct acpi_table_facs
 214 {
 215     char                    Signature[4];           /* ASCII table signature */
 216     UINT32                  Length;                 /* Length of structure, in bytes */
 217     UINT32                  HardwareSignature;      /* Hardware configuration signature */
 218     UINT32                  FirmwareWakingVector;   /* 32-bit physical address of the Firmware Waking Vector */
 219     UINT32                  GlobalLock;             /* Global Lock for shared hardware resources */
 220     UINT32                  Flags;
 221     UINT64                  XFirmwareWakingVector;  /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
 222     UINT8                   Version;                /* Version of this table (ACPI 2.0+) */
 223     UINT8                   Reserved[3];            /* Reserved, must be zero */
 224     UINT32                  OspmFlags;              /* Flags to be set by OSPM (ACPI 4.0) */
 225     UINT8                   Reserved1[24];          /* Reserved, must be zero */
 226
 227 } ACPI_TABLE_FACS;
 228
 229 /* Masks for GlobalLock flag field above */
 230
 231 #define ACPI_GLOCK_PENDING          (1)             /* 00: Pending global lock ownership */
 232 #define ACPI_GLOCK_OWNED            (1<<1)          /* 01: Global lock is owned */
 233
 234 /* Masks for Flags field above  */
 235
 236 #define ACPI_FACS_S4_BIOS_PRESENT   (1)             /* 00: S4BIOS support is present */
 237 #define ACPI_FACS_64BIT_WAKE        (1<<1)          /* 01: 64-bit wake vector supported (ACPI 4.0) */
 238
 239 /* Masks for OspmFlags field above */
 240
 241 #define ACPI_FACS_64BIT_ENVIRONMENT (1)             /* 00: 64-bit wake environment is required (ACPI 4.0) */
 242
 243
 244 /*******************************************************************************
 245  *
 246  * FADT - Fixed ACPI Description Table (Signature "FACP")
 247  *        Version 4
 248  *
 249  ******************************************************************************/
 250
 251 /* Fields common to all versions of the FADT */
 252
 253 typedef struct acpi_table_fadt
 254 {
 255     ACPI_TABLE_HEADER       Header;             /* Common ACPI table header */
 256     UINT32                  Facs;               /* 32-bit physical address of FACS */
 257     UINT32                  Dsdt;               /* 32-bit physical address of DSDT */
 258     UINT8                   Model;              /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
 259     UINT8                   PreferredProfile;   /* Conveys preferred power management profile to OSPM. */
 260     UINT16                  SciInterrupt;       /* System vector of SCI interrupt */
 261     UINT32                  SmiCommand;         /* 32-bit Port address of SMI command port */
 262     UINT8                   AcpiEnable;         /* Value to write to SMI_CMD to enable ACPI */
 263     UINT8                   AcpiDisable;        /* Value to write to SMI_CMD to disable ACPI */
 264     UINT8                   S4BiosRequest;      /* Value to write to SMI_CMD to enter S4BIOS state */
 265     UINT8                   PstateControl;      /* Processor performance state control*/
 266     UINT32                  Pm1aEventBlock;     /* 32-bit port address of Power Mgt 1a Event Reg Blk */
 267     UINT32                  Pm1bEventBlock;     /* 32-bit port address of Power Mgt 1b Event Reg Blk */
 268     UINT32                  Pm1aControlBlock;   /* 32-bit port address of Power Mgt 1a Control Reg Blk */
 269     UINT32                  Pm1bControlBlock;   /* 32-bit port address of Power Mgt 1b Control Reg Blk */
 270     UINT32                  Pm2ControlBlock;    /* 32-bit port address of Power Mgt 2 Control Reg Blk */
 271     UINT32                  PmTimerBlock;       /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
 272     UINT32                  Gpe0Block;          /* 32-bit port address of General Purpose Event 0 Reg Blk */
 273     UINT32                  Gpe1Block;          /* 32-bit port address of General Purpose Event 1 Reg Blk */
 274     UINT8                   Pm1EventLength;     /* Byte Length of ports at Pm1xEventBlock */
 275     UINT8                   Pm1ControlLength;   /* Byte Length of ports at Pm1xControlBlock */
 276     UINT8                   Pm2ControlLength;   /* Byte Length of ports at Pm2ControlBlock */
 277     UINT8                   PmTimerLength;      /* Byte Length of ports at PmTimerBlock */
 278     UINT8                   Gpe0BlockLength;    /* Byte Length of ports at Gpe0Block */
 279     UINT8                   Gpe1BlockLength;    /* Byte Length of ports at Gpe1Block */
 280     UINT8                   Gpe1Base;           /* Offset in GPE number space where GPE1 events start */
 281     UINT8                   CstControl;         /* Support for the _CST object and C-States change notification */
 282     UINT16                  C2Latency;          /* Worst case HW latency to enter/exit C2 state */
 283     UINT16                  C3Latency;          /* Worst case HW latency to enter/exit C3 state */
 284     UINT16                  FlushSize;          /* Processor memory cache line width, in bytes */
 285     UINT16                  FlushStride;        /* Number of flush strides that need to be read */
 286     UINT8                   DutyOffset;         /* Processor duty cycle index in processor P_CNT reg */
 287     UINT8                   DutyWidth;          /* Processor duty cycle value bit width in P_CNT register */
 288     UINT8                   DayAlarm;           /* Index to day-of-month alarm in RTC CMOS RAM */
 289     UINT8                   MonthAlarm;         /* Index to month-of-year alarm in RTC CMOS RAM */
 290     UINT8                   Century;            /* Index to century in RTC CMOS RAM */
 291     UINT16                  BootFlags;          /* IA-PC Boot Architecture Flags (see below for individual flags) */
 292     UINT8                   Reserved;           /* Reserved, must be zero */
 293     UINT32                  Flags;              /* Miscellaneous flag bits (see below for individual flags) */
 294     ACPI_GENERIC_ADDRESS    ResetRegister;      /* 64-bit address of the Reset register */
 295     UINT8                   ResetValue;         /* Value to write to the ResetRegister port to reset the system */
 296     UINT8                   Reserved4[3];       /* Reserved, must be zero */
 297     UINT64                  XFacs;              /* 64-bit physical address of FACS */
 298     UINT64                  XDsdt;              /* 64-bit physical address of DSDT */
 299     ACPI_GENERIC_ADDRESS    XPm1aEventBlock;    /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
 300     ACPI_GENERIC_ADDRESS    XPm1bEventBlock;    /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
 301     ACPI_GENERIC_ADDRESS    XPm1aControlBlock;  /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
 302     ACPI_GENERIC_ADDRESS    XPm1bControlBlock;  /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
 303     ACPI_GENERIC_ADDRESS    XPm2ControlBlock;   /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
 304     ACPI_GENERIC_ADDRESS    XPmTimerBlock;      /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
 305     ACPI_GENERIC_ADDRESS    XGpe0Block;         /* 64-bit Extended General Purpose Event 0 Reg Blk address */
 306     ACPI_GENERIC_ADDRESS    XGpe1Block;         /* 64-bit Extended General Purpose Event 1 Reg Blk address */
 307     ACPI_GENERIC_ADDRESS    SleepControl;       /* 64-bit Sleep Control register (ACPI 5.0) */
 308     ACPI_GENERIC_ADDRESS    SleepStatus;        /* 64-bit Sleep Status register (ACPI 5.0) */
 309
 310 } ACPI_TABLE_FADT;
 311
 312
 313 /* Masks for FADT Boot Architecture Flags (BootFlags) [Vx]=Introduced in this FADT revision */
 314
 315 #define ACPI_FADT_LEGACY_DEVICES    (1)         /* 00: [V2] System has LPC or ISA bus devices */
 316 #define ACPI_FADT_8042              (1<<1)      /* 01: [V3] System has an 8042 controller on port 60/64 */
 317 #define ACPI_FADT_NO_VGA            (1<<2)      /* 02: [V4] It is not safe to probe for VGA hardware */
 318 #define ACPI_FADT_NO_MSI            (1<<3)      /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
 319 #define ACPI_FADT_NO_ASPM           (1<<4)      /* 04: [V4] PCIe ASPM control must not be enabled */
 320 #define ACPI_FADT_NO_CMOS_RTC       (1<<5)      /* 05: [V5] No CMOS real-time clock present */
 321
 322 /* Masks for FADT flags */
 323
 324 #define ACPI_FADT_WBINVD            (1)         /* 00: [V1] The WBINVD instruction works properly */
 325 #define ACPI_FADT_WBINVD_FLUSH      (1<<1)      /* 01: [V1] WBINVD flushes but does not invalidate caches */
 326 #define ACPI_FADT_C1_SUPPORTED      (1<<2)      /* 02: [V1] All processors support C1 state */
 327 #define ACPI_FADT_C2_MP_SUPPORTED   (1<<3)      /* 03: [V1] C2 state works on MP system */
 328 #define ACPI_FADT_POWER_BUTTON      (1<<4)      /* 04: [V1] Power button is handled as a control method device */
 329 #define ACPI_FADT_SLEEP_BUTTON      (1<<5)      /* 05: [V1] Sleep button is handled as a control method device */
 330 #define ACPI_FADT_FIXED_RTC         (1<<6)      /* 06: [V1] RTC wakeup status is not in fixed register space */
 331 #define ACPI_FADT_S4_RTC_WAKE       (1<<7)      /* 07: [V1] RTC alarm can wake system from S4 */
 332 #define ACPI_FADT_32BIT_TIMER       (1<<8)      /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
 333 #define ACPI_FADT_DOCKING_SUPPORTED (1<<9)      /* 09: [V1] Docking supported */
 334 #define ACPI_FADT_RESET_REGISTER    (1<<10)     /* 10: [V2] System reset via the FADT RESET_REG supported */
 335 #define ACPI_FADT_SEALED_CASE       (1<<11)     /* 11: [V3] No internal expansion capabilities and case is sealed */
 336 #define ACPI_FADT_HEADLESS          (1<<12)     /* 12: [V3] No local video capabilities or local input devices */
 337 #define ACPI_FADT_SLEEP_TYPE        (1<<13)     /* 13: [V3] Must execute native instruction after writing  SLP_TYPx register */
 338 #define ACPI_FADT_PCI_EXPRESS_WAKE  (1<<14)     /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
 339 #define ACPI_FADT_PLATFORM_CLOCK    (1<<15)     /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
 340 #define ACPI_FADT_S4_RTC_VALID      (1<<16)     /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
 341 #define ACPI_FADT_REMOTE_POWER_ON   (1<<17)     /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
 342 #define ACPI_FADT_APIC_CLUSTER      (1<<18)     /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
 343 #define ACPI_FADT_APIC_PHYSICAL     (1<<19)     /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
 344 #define ACPI_FADT_HW_REDUCED        (1<<20)     /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
 345 #define ACPI_FADT_LOW_POWER_S0      (1<<21)     /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
 346
 347
 348 /* Values for PreferredProfile (Preferred Power Management Profiles) */
 349
 350 enum AcpiPreferredPmProfiles
 351 {
 352     PM_UNSPECIFIED          = 0,
 353     PM_DESKTOP              = 1,
 354     PM_MOBILE               = 2,
 355     PM_WORKSTATION          = 3,
 356     PM_ENTERPRISE_SERVER    = 4,
 357     PM_SOHO_SERVER          = 5,
 358     PM_APPLIANCE_PC         = 6,
 359     PM_PERFORMANCE_SERVER   = 7,
 360     PM_TABLET               = 8
 361 };
 362
 363 /* Values for SleepStatus and SleepControl registers (V5 FADT) */
 364
 365 #define ACPI_X_WAKE_STATUS          0x80
 366 #define ACPI_X_SLEEP_TYPE_MASK      0x1C
 367 #define ACPI_X_SLEEP_TYPE_POSITION  0x02
 368 #define ACPI_X_SLEEP_ENABLE         0x20
 369
 370
 371 /* Reset to default packing */
 372
 373 #pragma pack()
 374
 375
 376 /*
 377  * Internal table-related structures
 378  */
 379 typedef union acpi_name_union
 380 {
 381     UINT32                          Integer;
 382     char                            Ascii[4];
 383
 384 } ACPI_NAME_UNION;
 385
 386
 387 /* Internal ACPI Table Descriptor. One per ACPI table. */
 388
 389 typedef struct acpi_table_desc
 390 {
 391     ACPI_PHYSICAL_ADDRESS           Address;
 392     ACPI_TABLE_HEADER               *Pointer;
 393     UINT32                          Length;     /* Length fixed at 32 bits (fixed in table header) */
 394     ACPI_NAME_UNION                 Signature;
 395     ACPI_OWNER_ID                   OwnerId;
 396     UINT8                           Flags;
 397
 398 } ACPI_TABLE_DESC;
 399
 400 /* Masks for Flags field above */
 401
 402 #define ACPI_TABLE_ORIGIN_UNKNOWN       (0)
 403 #define ACPI_TABLE_ORIGIN_MAPPED        (1)
 404 #define ACPI_TABLE_ORIGIN_ALLOCATED     (2)
 405 #define ACPI_TABLE_ORIGIN_OVERRIDE      (4)
 406 #define ACPI_TABLE_ORIGIN_MASK          (7)
 407 #define ACPI_TABLE_IS_LOADED            (8)
 408
 409
 410 /*
 411  * Get the remaining ACPI tables
 412  */
 413 #include "actbl1.h"
 414 #include "actbl2.h"
 415 #include "actbl3.h"
 416
 417 /* Macros used to generate offsets to specific table fields */
 418
 419 #define ACPI_FADT_OFFSET(f)             (UINT16) ACPI_OFFSET (ACPI_TABLE_FADT, f)
 420
 421 /*
 422  * Sizes of the various flavors of FADT. We need to look closely
 423  * at the FADT length because the version number essentially tells
 424  * us nothing because of many BIOS bugs where the version does not
 425  * match the expected length. In other words, the length of the
 426  * FADT is the bottom line as to what the version really is.
 427  *
 428  * For reference, the values below are as follows:
 429  *     FADT V1  size: 0x074
 430  *     FADT V2  size: 0x084
 431  *     FADT V3  size: 0x0F4
 432  *     FADT V4  size: 0x0F4
 433  *     FADT V5  size: 0x10C
 434  */
 435 #define ACPI_FADT_V1_SIZE       (UINT32) (ACPI_FADT_OFFSET (Flags) + 4)
 436 #define ACPI_FADT_V2_SIZE       (UINT32) (ACPI_FADT_OFFSET (Reserved4[0]) + 3)
 437 #define ACPI_FADT_V3_SIZE       (UINT32) (ACPI_FADT_OFFSET (SleepControl))
 438 #define ACPI_FADT_V5_SIZE       (UINT32) (sizeof (ACPI_TABLE_FADT))
 439
 440 #endif /* __ACTBL_H__ */