LXR linux/drivers/acpi/acpica/amlcode.h

   1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
   5 *                   Declarations and definitions contained herein are derived
   6 *                   directly from the ACPI specification.
   7 *
   8 * Copyright (C) 2000 - 2021, Intel Corp.
   9 *
  10 *****************************************************************************/
  11
  12#ifndef __AMLCODE_H__
  13#define __AMLCODE_H__
  14
  15/* primary opcodes */
  16
  17#define AML_ZERO_OP                 (u16) 0x00
  18#define AML_ONE_OP                  (u16) 0x01
  19#define AML_ALIAS_OP                (u16) 0x06
  20#define AML_NAME_OP                 (u16) 0x08
  21#define AML_BYTE_OP                 (u16) 0x0a
  22#define AML_WORD_OP                 (u16) 0x0b
  23#define AML_DWORD_OP                (u16) 0x0c
  24#define AML_STRING_OP               (u16) 0x0d
  25#define AML_QWORD_OP                (u16) 0x0e  /* ACPI 2.0 */
  26#define AML_SCOPE_OP                (u16) 0x10
  27#define AML_BUFFER_OP               (u16) 0x11
  28#define AML_PACKAGE_OP              (u16) 0x12
  29#define AML_VARIABLE_PACKAGE_OP     (u16) 0x13  /* ACPI 2.0 */
  30#define AML_METHOD_OP               (u16) 0x14
  31#define AML_EXTERNAL_OP             (u16) 0x15  /* ACPI 6.0 */
  32#define AML_DUAL_NAME_PREFIX        (u16) 0x2e
  33#define AML_MULTI_NAME_PREFIX       (u16) 0x2f
  34#define AML_EXTENDED_PREFIX         (u16) 0x5b
  35#define AML_ROOT_PREFIX             (u16) 0x5c
  36#define AML_PARENT_PREFIX           (u16) 0x5e
  37#define AML_FIRST_LOCAL_OP          (u16) 0x60  /* Used for Local op # calculations */
  38#define AML_LOCAL0                  (u16) 0x60
  39#define AML_LOCAL1                  (u16) 0x61
  40#define AML_LOCAL2                  (u16) 0x62
  41#define AML_LOCAL3                  (u16) 0x63
  42#define AML_LOCAL4                  (u16) 0x64
  43#define AML_LOCAL5                  (u16) 0x65
  44#define AML_LOCAL6                  (u16) 0x66
  45#define AML_LOCAL7                  (u16) 0x67
  46#define AML_FIRST_ARG_OP            (u16) 0x68  /* Used for Arg op # calculations */
  47#define AML_ARG0                    (u16) 0x68
  48#define AML_ARG1                    (u16) 0x69
  49#define AML_ARG2                    (u16) 0x6a
  50#define AML_ARG3                    (u16) 0x6b
  51#define AML_ARG4                    (u16) 0x6c
  52#define AML_ARG5                    (u16) 0x6d
  53#define AML_ARG6                    (u16) 0x6e
  54#define AML_STORE_OP                (u16) 0x70
  55#define AML_REF_OF_OP               (u16) 0x71
  56#define AML_ADD_OP                  (u16) 0x72
  57#define AML_CONCATENATE_OP          (u16) 0x73
  58#define AML_SUBTRACT_OP             (u16) 0x74
  59#define AML_INCREMENT_OP            (u16) 0x75
  60#define AML_DECREMENT_OP            (u16) 0x76
  61#define AML_MULTIPLY_OP             (u16) 0x77
  62#define AML_DIVIDE_OP               (u16) 0x78
  63#define AML_SHIFT_LEFT_OP           (u16) 0x79
  64#define AML_SHIFT_RIGHT_OP          (u16) 0x7a
  65#define AML_BIT_AND_OP              (u16) 0x7b
  66#define AML_BIT_NAND_OP             (u16) 0x7c
  67#define AML_BIT_OR_OP               (u16) 0x7d
  68#define AML_BIT_NOR_OP              (u16) 0x7e
  69#define AML_BIT_XOR_OP              (u16) 0x7f
  70#define AML_BIT_NOT_OP              (u16) 0x80
  71#define AML_FIND_SET_LEFT_BIT_OP    (u16) 0x81
  72#define AML_FIND_SET_RIGHT_BIT_OP   (u16) 0x82
  73#define AML_DEREF_OF_OP             (u16) 0x83
  74#define AML_CONCATENATE_TEMPLATE_OP (u16) 0x84  /* ACPI 2.0 */
  75#define AML_MOD_OP                  (u16) 0x85  /* ACPI 2.0 */
  76#define AML_NOTIFY_OP               (u16) 0x86
  77#define AML_SIZE_OF_OP              (u16) 0x87
  78#define AML_INDEX_OP                (u16) 0x88
  79#define AML_MATCH_OP                (u16) 0x89
  80#define AML_CREATE_DWORD_FIELD_OP   (u16) 0x8a
  81#define AML_CREATE_WORD_FIELD_OP    (u16) 0x8b
  82#define AML_CREATE_BYTE_FIELD_OP    (u16) 0x8c
  83#define AML_CREATE_BIT_FIELD_OP     (u16) 0x8d
  84#define AML_OBJECT_TYPE_OP          (u16) 0x8e
  85#define AML_CREATE_QWORD_FIELD_OP   (u16) 0x8f  /* ACPI 2.0 */
  86#define AML_LOGICAL_AND_OP          (u16) 0x90
  87#define AML_LOGICAL_OR_OP           (u16) 0x91
  88#define AML_LOGICAL_NOT_OP          (u16) 0x92
  89#define AML_LOGICAL_EQUAL_OP        (u16) 0x93
  90#define AML_LOGICAL_GREATER_OP      (u16) 0x94
  91#define AML_LOGICAL_LESS_OP         (u16) 0x95
  92#define AML_TO_BUFFER_OP            (u16) 0x96  /* ACPI 2.0 */
  93#define AML_TO_DECIMAL_STRING_OP    (u16) 0x97  /* ACPI 2.0 */
  94#define AML_TO_HEX_STRING_OP        (u16) 0x98  /* ACPI 2.0 */
  95#define AML_TO_INTEGER_OP           (u16) 0x99  /* ACPI 2.0 */
  96#define AML_TO_STRING_OP            (u16) 0x9c  /* ACPI 2.0 */
  97#define AML_COPY_OBJECT_OP          (u16) 0x9d  /* ACPI 2.0 */
  98#define AML_MID_OP                  (u16) 0x9e  /* ACPI 2.0 */
  99#define AML_CONTINUE_OP             (u16) 0x9f  /* ACPI 2.0 */
 100#define AML_IF_OP                   (u16) 0xa0
 101#define AML_ELSE_OP                 (u16) 0xa1
 102#define AML_WHILE_OP                (u16) 0xa2
 103#define AML_NOOP_OP                 (u16) 0xa3
 104#define AML_RETURN_OP               (u16) 0xa4
 105#define AML_BREAK_OP                (u16) 0xa5
 106#define AML_COMMENT_OP              (u16) 0xa9
 107#define AML_BREAKPOINT_OP          (u16) 0xcc
 108#define AML_ONES_OP                 (u16) 0xff
 109
 110/*
 111 * Combination opcodes (actually two one-byte opcodes)
 112 * Used by the disassembler and iASL compiler
 113 */
 114#define AML_LOGICAL_GREATER_EQUAL_OP (u16) 0x9295       /* LNot (LLess) */
 115#define AML_LOGICAL_LESS_EQUAL_OP    (u16) 0x9294       /* LNot (LGreater) */
 116#define AML_LOGICAL_NOT_EQUAL_OP     (u16) 0x9293       /* LNot (LEqual) */
 117
 118/* Prefixed (2-byte) opcodes (with AML_EXTENDED_PREFIX) */
 119
 120#define AML_EXTENDED_OPCODE         (u16) 0x5b00        /* Prefix for 2-byte opcodes */
 121
 122#define AML_MUTEX_OP                (u16) 0x5b01
 123#define AML_EVENT_OP                (u16) 0x5b02
 124#define AML_SHIFT_RIGHT_BIT_OP      (u16) 0x5b10        /* Obsolete, not in ACPI spec */
 125#define AML_SHIFT_LEFT_BIT_OP       (u16) 0x5b11        /* Obsolete, not in ACPI spec */
 126#define AML_CONDITIONAL_REF_OF_OP   (u16) 0x5b12
 127#define AML_CREATE_FIELD_OP         (u16) 0x5b13
 128#define AML_LOAD_TABLE_OP           (u16) 0x5b1f        /* ACPI 2.0 */
 129#define AML_LOAD_OP                 (u16) 0x5b20
 130#define AML_STALL_OP                (u16) 0x5b21
 131#define AML_SLEEP_OP                (u16) 0x5b22
 132#define AML_ACQUIRE_OP              (u16) 0x5b23
 133#define AML_SIGNAL_OP               (u16) 0x5b24
 134#define AML_WAIT_OP                 (u16) 0x5b25
 135#define AML_RESET_OP                (u16) 0x5b26
 136#define AML_RELEASE_OP              (u16) 0x5b27
 137#define AML_FROM_BCD_OP             (u16) 0x5b28
 138#define AML_TO_BCD_OP               (u16) 0x5b29
 139#define AML_UNLOAD_OP               (u16) 0x5b2a
 140#define AML_REVISION_OP             (u16) 0x5b30
 141#define AML_DEBUG_OP                (u16) 0x5b31
 142#define AML_FATAL_OP                (u16) 0x5b32
 143#define AML_TIMER_OP                (u16) 0x5b33        /* ACPI 3.0 */
 144#define AML_REGION_OP               (u16) 0x5b80
 145#define AML_FIELD_OP                (u16) 0x5b81
 146#define AML_DEVICE_OP               (u16) 0x5b82
 147#define AML_PROCESSOR_OP            (u16) 0x5b83
 148#define AML_POWER_RESOURCE_OP       (u16) 0x5b84
 149#define AML_THERMAL_ZONE_OP         (u16) 0x5b85
 150#define AML_INDEX_FIELD_OP          (u16) 0x5b86
 151#define AML_BANK_FIELD_OP           (u16) 0x5b87
 152#define AML_DATA_REGION_OP          (u16) 0x5b88        /* ACPI 2.0 */
 153
 154/*
 155 * Opcodes for "Field" operators
 156 */
 157#define AML_FIELD_OFFSET_OP         (u8) 0x00
 158#define AML_FIELD_ACCESS_OP         (u8) 0x01
 159#define AML_FIELD_CONNECTION_OP     (u8) 0x02   /* ACPI 5.0 */
 160#define AML_FIELD_EXT_ACCESS_OP     (u8) 0x03   /* ACPI 5.0 */
 161
 162/*
 163 * Internal opcodes
 164 * Use only "Unknown" AML opcodes, don't attempt to use
 165 * any valid ACPI ASCII values (A-Z, 0-9, '-')
 166 */
 167#define AML_INT_NAMEPATH_OP         (u16) 0x002d
 168#define AML_INT_NAMEDFIELD_OP       (u16) 0x0030
 169#define AML_INT_RESERVEDFIELD_OP    (u16) 0x0031
 170#define AML_INT_ACCESSFIELD_OP      (u16) 0x0032
 171#define AML_INT_BYTELIST_OP         (u16) 0x0033
 172#define AML_INT_METHODCALL_OP       (u16) 0x0035
 173#define AML_INT_RETURN_VALUE_OP     (u16) 0x0036
 174#define AML_INT_EVAL_SUBTREE_OP     (u16) 0x0037
 175#define AML_INT_CONNECTION_OP       (u16) 0x0038
 176#define AML_INT_EXTACCESSFIELD_OP   (u16) 0x0039
 177
 178#define ARG_NONE                    0x0
 179
 180/*
 181 * Argument types for the AML Parser
 182 * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
 183 * There can be up to 31 unique argument types
 184 * Zero is reserved as end-of-list indicator
 185 */
 186#define ARGP_BYTEDATA               0x01
 187#define ARGP_BYTELIST               0x02
 188#define ARGP_CHARLIST               0x03
 189#define ARGP_DATAOBJ                0x04
 190#define ARGP_DATAOBJLIST            0x05
 191#define ARGP_DWORDDATA              0x06
 192#define ARGP_FIELDLIST              0x07
 193#define ARGP_NAME                   0x08
 194#define ARGP_NAMESTRING             0x09
 195#define ARGP_OBJLIST                0x0A
 196#define ARGP_PKGLENGTH              0x0B
 197#define ARGP_SUPERNAME              0x0C
 198#define ARGP_TARGET                 0x0D
 199#define ARGP_TERMARG                0x0E
 200#define ARGP_TERMLIST               0x0F
 201#define ARGP_WORDDATA               0x10
 202#define ARGP_QWORDDATA              0x11
 203#define ARGP_SIMPLENAME             0x12        /* name_string | local_term | arg_term */
 204#define ARGP_NAME_OR_REF            0x13        /* For object_type only */
 205#define ARGP_MAX                    0x13
 206#define ARGP_COMMENT                0x14
 207
 208/*
 209 * Resolved argument types for the AML Interpreter
 210 * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
 211 * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
 212 *
 213 * Note1: These values are completely independent from the ACPI_TYPEs
 214 *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
 215 *
 216 * Note2: If and when 5 bits becomes insufficient, it would probably be best
 217 * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
 218 */
 219
 220/* Single, simple types */
 221
 222#define ARGI_ANYTYPE                0x01        /* Don't care */
 223#define ARGI_PACKAGE                0x02
 224#define ARGI_EVENT                  0x03
 225#define ARGI_MUTEX                  0x04
 226#define ARGI_DDBHANDLE              0x05
 227
 228/* Interchangeable types (via implicit conversion) */
 229
 230#define ARGI_INTEGER                0x06
 231#define ARGI_STRING                 0x07
 232#define ARGI_BUFFER                 0x08
 233#define ARGI_BUFFER_OR_STRING       0x09        /* Used by MID op only */
 234#define ARGI_COMPUTEDATA            0x0A        /* Buffer, String, or Integer */
 235
 236/* Reference objects */
 237
 238#define ARGI_INTEGER_REF            0x0B
 239#define ARGI_OBJECT_REF             0x0C
 240#define ARGI_DEVICE_REF             0x0D
 241#define ARGI_REFERENCE              0x0E
 242#define ARGI_TARGETREF              0x0F        /* Target, subject to implicit conversion */
 243#define ARGI_FIXED_TARGET           0x10        /* Target, no implicit conversion */
 244#define ARGI_SIMPLE_TARGET          0x11        /* Name, Local, Arg -- no implicit conversion */
 245#define ARGI_STORE_TARGET           0x12        /* Target for store is TARGETREF + package objects */
 246
 247/* Multiple/complex types */
 248
 249#define ARGI_DATAOBJECT             0x13        /* Buffer, String, package or reference to a node - Used only by size_of operator */
 250#define ARGI_COMPLEXOBJ             0x14        /* Buffer, String, or package (Used by INDEX op only) */
 251#define ARGI_REF_OR_STRING          0x15        /* Reference or String (Used by DEREFOF op only) */
 252#define ARGI_REGION_OR_BUFFER       0x16        /* Used by LOAD op only */
 253#define ARGI_DATAREFOBJ             0x17
 254
 255/* Note: types above can expand to 0x1F maximum */
 256
 257#define ARGI_INVALID_OPCODE         0xFFFFFFFF
 258
 259/*
 260 * Some of the flags and types below are of the form:
 261 *
 262 * AML_FLAGS_EXEC_#A_#T,#R, or
 263 * AML_TYPE_EXEC_#A_#T,#R where:
 264 *
 265 *      #A is the number of required arguments
 266 *      #T is the number of target operands
 267 *      #R indicates whether there is a return value
 268 *
 269 * These types are used for the top-level dispatch of the AML
 270 * opcode. They group similar operators that can share common
 271 * front-end code before dispatch to the final code that implements
 272 * the operator.
 273 */
 274
 275/*
 276 * Opcode information flags
 277 */
 278#define AML_LOGICAL                 0x0001
 279#define AML_LOGICAL_NUMERIC         0x0002
 280#define AML_MATH                    0x0004
 281#define AML_CREATE                  0x0008
 282#define AML_FIELD                   0x0010
 283#define AML_DEFER                   0x0020
 284#define AML_NAMED                   0x0040
 285#define AML_NSNODE                  0x0080
 286#define AML_NSOPCODE                0x0100
 287#define AML_NSOBJECT                0x0200
 288#define AML_HAS_RETVAL              0x0400
 289#define AML_HAS_TARGET              0x0800
 290#define AML_HAS_ARGS                0x1000
 291#define AML_CONSTANT                0x2000
 292#define AML_NO_OPERAND_RESOLVE      0x4000
 293
 294/* Convenient flag groupings of the flags above */
 295
 296#define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
 297#define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS        /* Monadic1  */
 298#define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL      /* Monadic2  */
 299#define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
 300#define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL      /* monadic2_r */
 301#define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS        /* Dyadic1   */
 302#define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL      /* Dyadic2   */
 303#define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL      /* dyadic2_r  */
 304#define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
 305#define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
 306#define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
 307#define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
 308
 309/*
 310 * The opcode Type is used in a dispatch table, do not change
 311 * or add anything new without updating the table.
 312 */
 313#define AML_TYPE_EXEC_0A_0T_1R      0x00        /* 0 Args, 0 Target, 1 ret_val */
 314#define AML_TYPE_EXEC_1A_0T_0R      0x01        /* 1 Args, 0 Target, 0 ret_val */
 315#define AML_TYPE_EXEC_1A_0T_1R      0x02        /* 1 Args, 0 Target, 1 ret_val */
 316#define AML_TYPE_EXEC_1A_1T_0R      0x03        /* 1 Args, 1 Target, 0 ret_val */
 317#define AML_TYPE_EXEC_1A_1T_1R      0x04        /* 1 Args, 1 Target, 1 ret_val */
 318#define AML_TYPE_EXEC_2A_0T_0R      0x05        /* 2 Args, 0 Target, 0 ret_val */
 319#define AML_TYPE_EXEC_2A_0T_1R      0x06        /* 2 Args, 0 Target, 1 ret_val */
 320#define AML_TYPE_EXEC_2A_1T_1R      0x07        /* 2 Args, 1 Target, 1 ret_val */
 321#define AML_TYPE_EXEC_2A_2T_1R      0x08        /* 2 Args, 2 Target, 1 ret_val */
 322#define AML_TYPE_EXEC_3A_0T_0R      0x09        /* 3 Args, 0 Target, 0 ret_val */
 323#define AML_TYPE_EXEC_3A_1T_1R      0x0A        /* 3 Args, 1 Target, 1 ret_val */
 324#define AML_TYPE_EXEC_6A_0T_1R      0x0B        /* 6 Args, 0 Target, 1 ret_val */
 325/* End of types used in dispatch table */
 326
 327#define AML_TYPE_LITERAL            0x0C
 328#define AML_TYPE_CONSTANT           0x0D
 329#define AML_TYPE_METHOD_ARGUMENT    0x0E
 330#define AML_TYPE_LOCAL_VARIABLE     0x0F
 331#define AML_TYPE_DATA_TERM          0x10
 332
 333/* Generic for an op that returns a value */
 334
 335#define AML_TYPE_METHOD_CALL        0x11
 336
 337/* Miscellaneous types */
 338
 339#define AML_TYPE_CREATE_FIELD       0x12
 340#define AML_TYPE_CREATE_OBJECT      0x13
 341#define AML_TYPE_CONTROL            0x14
 342#define AML_TYPE_NAMED_NO_OBJ       0x15
 343#define AML_TYPE_NAMED_FIELD        0x16
 344#define AML_TYPE_NAMED_SIMPLE       0x17
 345#define AML_TYPE_NAMED_COMPLEX      0x18
 346#define AML_TYPE_RETURN             0x19
 347#define AML_TYPE_UNDEFINED          0x1A
 348#define AML_TYPE_BOGUS              0x1B
 349
 350/* AML Package Length encodings */
 351
 352#define ACPI_AML_PACKAGE_TYPE1      0x40
 353#define ACPI_AML_PACKAGE_TYPE2      0x4000
 354#define ACPI_AML_PACKAGE_TYPE3      0x400000
 355#define ACPI_AML_PACKAGE_TYPE4      0x40000000
 356
 357/*
 358 * Opcode classes
 359 */
 360#define AML_CLASS_EXECUTE           0x00
 361#define AML_CLASS_CREATE            0x01
 362#define AML_CLASS_ARGUMENT          0x02
 363#define AML_CLASS_NAMED_OBJECT      0x03
 364#define AML_CLASS_CONTROL           0x04
 365#define AML_CLASS_ASCII             0x05
 366#define AML_CLASS_PREFIX            0x06
 367#define AML_CLASS_INTERNAL          0x07
 368#define AML_CLASS_RETURN_VALUE      0x08
 369#define AML_CLASS_METHOD_CALL       0x09
 370#define AML_CLASS_UNKNOWN           0x0A
 371
 372/* Comparison operation codes for match_op operator */
 373
 374typedef enum {
 375        MATCH_MTR = 0,
 376        MATCH_MEQ = 1,
 377        MATCH_MLE = 2,
 378        MATCH_MLT = 3,
 379        MATCH_MGE = 4,
 380        MATCH_MGT = 5
 381} AML_MATCH_OPERATOR;
 382
 383#define MAX_MATCH_OPERATOR          5
 384
 385/*
 386 * field_flags
 387 *
 388 * This byte is extracted from the AML and includes three separate
 389 * pieces of information about the field:
 390 * 1) The field access type
 391 * 2) The field update rule
 392 * 3) The lock rule for the field
 393 *
 394 * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
 395 *      04      : lock_rule (1 == Lock)
 396 *      05 - 06 : update_rule
 397 */
 398#define AML_FIELD_ACCESS_TYPE_MASK  0x0F
 399#define AML_FIELD_LOCK_RULE_MASK    0x10
 400#define AML_FIELD_UPDATE_RULE_MASK  0x60
 401
 402/* 1) Field Access Types */
 403
 404typedef enum {
 405        AML_FIELD_ACCESS_ANY = 0x00,
 406        AML_FIELD_ACCESS_BYTE = 0x01,
 407        AML_FIELD_ACCESS_WORD = 0x02,
 408        AML_FIELD_ACCESS_DWORD = 0x03,
 409        AML_FIELD_ACCESS_QWORD = 0x04,  /* ACPI 2.0 */
 410        AML_FIELD_ACCESS_BUFFER = 0x05  /* ACPI 2.0 */
 411} AML_ACCESS_TYPE;
 412
 413/* 2) Field Lock Rules */
 414
 415typedef enum {
 416        AML_FIELD_LOCK_NEVER = 0x00,
 417        AML_FIELD_LOCK_ALWAYS = 0x10
 418} AML_LOCK_RULE;
 419
 420/* 3) Field Update Rules */
 421
 422typedef enum {
 423        AML_FIELD_UPDATE_PRESERVE = 0x00,
 424        AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
 425        AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
 426} AML_UPDATE_RULE;
 427
 428/*
 429 * Field Access Attributes.
 430 * This byte is extracted from the AML via the
 431 * access_as keyword
 432 */
 433typedef enum {
 434        AML_FIELD_ATTRIB_QUICK = 0x02,
 435        AML_FIELD_ATTRIB_SEND_RECEIVE = 0x04,
 436        AML_FIELD_ATTRIB_BYTE = 0x06,
 437        AML_FIELD_ATTRIB_WORD = 0x08,
 438        AML_FIELD_ATTRIB_BLOCK = 0x0A,
 439        AML_FIELD_ATTRIB_BYTES = 0x0B,
 440        AML_FIELD_ATTRIB_PROCESS_CALL = 0x0C,
 441        AML_FIELD_ATTRIB_BLOCK_PROCESS_CALL = 0x0D,
 442        AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
 443        AML_FIELD_ATTRIB_RAW_PROCESS_BYTES = 0x0F
 444} AML_ACCESS_ATTRIBUTE;
 445
 446/* Bit fields in the AML method_flags byte */
 447
 448#define AML_METHOD_ARG_COUNT        0x07
 449#define AML_METHOD_SERIALIZED       0x08
 450#define AML_METHOD_SYNC_LEVEL       0xF0
 451
 452#endif                          /* __AMLCODE_H__ */
 453