xref: /titanic_50/usr/src/uts/intel/sys/acpi/amlcode.h (revision 7b07063d906859b2be1e88791f801b3c96e432f6)
1 /******************************************************************************
2  *
3  * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
4  *                   Declarations and definitions contained herein are derived
5  *                   directly from the ACPI specification.
6  *
7  *****************************************************************************/
8 
9 /*
10  * Copyright (C) 2000 - 2011, Intel Corp.
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions, and the following disclaimer,
18  *    without modification.
19  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
20  *    substantially similar to the "NO WARRANTY" disclaimer below
21  *    ("Disclaimer") and any redistribution must be conditioned upon
22  *    including a substantially similar Disclaimer requirement for further
23  *    binary redistribution.
24  * 3. Neither the names of the above-listed copyright holders nor the names
25  *    of any contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * Alternatively, this software may be distributed under the terms of the
29  * GNU General Public License ("GPL") version 2 as published by the Free
30  * Software Foundation.
31  *
32  * NO WARRANTY
33  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
36  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
42  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43  * POSSIBILITY OF SUCH DAMAGES.
44  */
45 
46 #ifndef __AMLCODE_H__
47 #define __AMLCODE_H__
48 
49 /* primary opcodes */
50 
51 #define AML_NULL_CHAR               (UINT16) 0x00
52 
53 #define AML_ZERO_OP                 (UINT16) 0x00
54 #define AML_ONE_OP                  (UINT16) 0x01
55 #define AML_UNASSIGNED              (UINT16) 0x02
56 #define AML_ALIAS_OP                (UINT16) 0x06
57 #define AML_NAME_OP                 (UINT16) 0x08
58 #define AML_BYTE_OP                 (UINT16) 0x0a
59 #define AML_WORD_OP                 (UINT16) 0x0b
60 #define AML_DWORD_OP                (UINT16) 0x0c
61 #define AML_STRING_OP               (UINT16) 0x0d
62 #define AML_QWORD_OP                (UINT16) 0x0e     /* ACPI 2.0 */
63 #define AML_SCOPE_OP                (UINT16) 0x10
64 #define AML_BUFFER_OP               (UINT16) 0x11
65 #define AML_PACKAGE_OP              (UINT16) 0x12
66 #define AML_VAR_PACKAGE_OP          (UINT16) 0x13     /* ACPI 2.0 */
67 #define AML_METHOD_OP               (UINT16) 0x14
68 #define AML_DUAL_NAME_PREFIX        (UINT16) 0x2e
69 #define AML_MULTI_NAME_PREFIX_OP    (UINT16) 0x2f
70 #define AML_NAME_CHAR_SUBSEQ        (UINT16) 0x30
71 #define AML_NAME_CHAR_FIRST         (UINT16) 0x41
72 #define AML_EXTENDED_OP_PREFIX      (UINT16) 0x5b
73 #define AML_ROOT_PREFIX             (UINT16) 0x5c
74 #define AML_PARENT_PREFIX           (UINT16) 0x5e
75 #define AML_LOCAL_OP                (UINT16) 0x60
76 #define AML_LOCAL0                  (UINT16) 0x60
77 #define AML_LOCAL1                  (UINT16) 0x61
78 #define AML_LOCAL2                  (UINT16) 0x62
79 #define AML_LOCAL3                  (UINT16) 0x63
80 #define AML_LOCAL4                  (UINT16) 0x64
81 #define AML_LOCAL5                  (UINT16) 0x65
82 #define AML_LOCAL6                  (UINT16) 0x66
83 #define AML_LOCAL7                  (UINT16) 0x67
84 #define AML_ARG_OP                  (UINT16) 0x68
85 #define AML_ARG0                    (UINT16) 0x68
86 #define AML_ARG1                    (UINT16) 0x69
87 #define AML_ARG2                    (UINT16) 0x6a
88 #define AML_ARG3                    (UINT16) 0x6b
89 #define AML_ARG4                    (UINT16) 0x6c
90 #define AML_ARG5                    (UINT16) 0x6d
91 #define AML_ARG6                    (UINT16) 0x6e
92 #define AML_STORE_OP                (UINT16) 0x70
93 #define AML_REF_OF_OP               (UINT16) 0x71
94 #define AML_ADD_OP                  (UINT16) 0x72
95 #define AML_CONCAT_OP               (UINT16) 0x73
96 #define AML_SUBTRACT_OP             (UINT16) 0x74
97 #define AML_INCREMENT_OP            (UINT16) 0x75
98 #define AML_DECREMENT_OP            (UINT16) 0x76
99 #define AML_MULTIPLY_OP             (UINT16) 0x77
100 #define AML_DIVIDE_OP               (UINT16) 0x78
101 #define AML_SHIFT_LEFT_OP           (UINT16) 0x79
102 #define AML_SHIFT_RIGHT_OP          (UINT16) 0x7a
103 #define AML_BIT_AND_OP              (UINT16) 0x7b
104 #define AML_BIT_NAND_OP             (UINT16) 0x7c
105 #define AML_BIT_OR_OP               (UINT16) 0x7d
106 #define AML_BIT_NOR_OP              (UINT16) 0x7e
107 #define AML_BIT_XOR_OP              (UINT16) 0x7f
108 #define AML_BIT_NOT_OP              (UINT16) 0x80
109 #define AML_FIND_SET_LEFT_BIT_OP    (UINT16) 0x81
110 #define AML_FIND_SET_RIGHT_BIT_OP   (UINT16) 0x82
111 #define AML_DEREF_OF_OP             (UINT16) 0x83
112 #define AML_CONCAT_RES_OP           (UINT16) 0x84     /* ACPI 2.0 */
113 #define AML_MOD_OP                  (UINT16) 0x85     /* ACPI 2.0 */
114 #define AML_NOTIFY_OP               (UINT16) 0x86
115 #define AML_SIZE_OF_OP              (UINT16) 0x87
116 #define AML_INDEX_OP                (UINT16) 0x88
117 #define AML_MATCH_OP                (UINT16) 0x89
118 #define AML_CREATE_DWORD_FIELD_OP   (UINT16) 0x8a
119 #define AML_CREATE_WORD_FIELD_OP    (UINT16) 0x8b
120 #define AML_CREATE_BYTE_FIELD_OP    (UINT16) 0x8c
121 #define AML_CREATE_BIT_FIELD_OP     (UINT16) 0x8d
122 #define AML_TYPE_OP                 (UINT16) 0x8e
123 #define AML_CREATE_QWORD_FIELD_OP   (UINT16) 0x8f     /* ACPI 2.0 */
124 #define AML_LAND_OP                 (UINT16) 0x90
125 #define AML_LOR_OP                  (UINT16) 0x91
126 #define AML_LNOT_OP                 (UINT16) 0x92
127 #define AML_LEQUAL_OP               (UINT16) 0x93
128 #define AML_LGREATER_OP             (UINT16) 0x94
129 #define AML_LLESS_OP                (UINT16) 0x95
130 #define AML_TO_BUFFER_OP            (UINT16) 0x96     /* ACPI 2.0 */
131 #define AML_TO_DECSTRING_OP         (UINT16) 0x97     /* ACPI 2.0 */
132 #define AML_TO_HEXSTRING_OP         (UINT16) 0x98     /* ACPI 2.0 */
133 #define AML_TO_INTEGER_OP           (UINT16) 0x99     /* ACPI 2.0 */
134 #define AML_TO_STRING_OP            (UINT16) 0x9c     /* ACPI 2.0 */
135 #define AML_COPY_OP                 (UINT16) 0x9d     /* ACPI 2.0 */
136 #define AML_MID_OP                  (UINT16) 0x9e     /* ACPI 2.0 */
137 #define AML_CONTINUE_OP             (UINT16) 0x9f     /* ACPI 2.0 */
138 #define AML_IF_OP                   (UINT16) 0xa0
139 #define AML_ELSE_OP                 (UINT16) 0xa1
140 #define AML_WHILE_OP                (UINT16) 0xa2
141 #define AML_NOOP_OP                 (UINT16) 0xa3
142 #define AML_RETURN_OP               (UINT16) 0xa4
143 #define AML_BREAK_OP                (UINT16) 0xa5
144 #define AML_BREAK_POINT_OP          (UINT16) 0xcc
145 #define AML_ONES_OP                 (UINT16) 0xff
146 
147 /* prefixed opcodes */
148 
149 #define AML_EXTENDED_OPCODE         (UINT16) 0x5b00     /* prefix for 2-byte opcodes */
150 
151 #define AML_MUTEX_OP                (UINT16) 0x5b01
152 #define AML_EVENT_OP                (UINT16) 0x5b02
153 #define AML_SHIFT_RIGHT_BIT_OP      (UINT16) 0x5b10
154 #define AML_SHIFT_LEFT_BIT_OP       (UINT16) 0x5b11
155 #define AML_COND_REF_OF_OP          (UINT16) 0x5b12
156 #define AML_CREATE_FIELD_OP         (UINT16) 0x5b13
157 #define AML_LOAD_TABLE_OP           (UINT16) 0x5b1f     /* ACPI 2.0 */
158 #define AML_LOAD_OP                 (UINT16) 0x5b20
159 #define AML_STALL_OP                (UINT16) 0x5b21
160 #define AML_SLEEP_OP                (UINT16) 0x5b22
161 #define AML_ACQUIRE_OP              (UINT16) 0x5b23
162 #define AML_SIGNAL_OP               (UINT16) 0x5b24
163 #define AML_WAIT_OP                 (UINT16) 0x5b25
164 #define AML_RESET_OP                (UINT16) 0x5b26
165 #define AML_RELEASE_OP              (UINT16) 0x5b27
166 #define AML_FROM_BCD_OP             (UINT16) 0x5b28
167 #define AML_TO_BCD_OP               (UINT16) 0x5b29
168 #define AML_UNLOAD_OP               (UINT16) 0x5b2a
169 #define AML_REVISION_OP             (UINT16) 0x5b30
170 #define AML_DEBUG_OP                (UINT16) 0x5b31
171 #define AML_FATAL_OP                (UINT16) 0x5b32
172 #define AML_TIMER_OP                (UINT16) 0x5b33     /* ACPI 3.0 */
173 #define AML_REGION_OP               (UINT16) 0x5b80
174 #define AML_FIELD_OP                (UINT16) 0x5b81
175 #define AML_DEVICE_OP               (UINT16) 0x5b82
176 #define AML_PROCESSOR_OP            (UINT16) 0x5b83
177 #define AML_POWER_RES_OP            (UINT16) 0x5b84
178 #define AML_THERMAL_ZONE_OP         (UINT16) 0x5b85
179 #define AML_INDEX_FIELD_OP          (UINT16) 0x5b86
180 #define AML_BANK_FIELD_OP           (UINT16) 0x5b87
181 #define AML_DATA_REGION_OP          (UINT16) 0x5b88     /* ACPI 2.0 */
182 
183 
184 /*
185  * Combination opcodes (actually two one-byte opcodes)
186  * Used by the disassembler and iASL compiler
187  */
188 #define AML_LGREATEREQUAL_OP        (UINT16) 0x9295
189 #define AML_LLESSEQUAL_OP           (UINT16) 0x9294
190 #define AML_LNOTEQUAL_OP            (UINT16) 0x9293
191 
192 
193 /*
194  * Internal opcodes
195  * Use only "Unknown" AML opcodes, don't attempt to use
196  * any valid ACPI ASCII values (A-Z, 0-9, '-')
197  */
198 #define AML_INT_NAMEPATH_OP         (UINT16) 0x002d
199 #define AML_INT_NAMEDFIELD_OP       (UINT16) 0x0030
200 #define AML_INT_RESERVEDFIELD_OP    (UINT16) 0x0031
201 #define AML_INT_ACCESSFIELD_OP      (UINT16) 0x0032
202 #define AML_INT_BYTELIST_OP         (UINT16) 0x0033
203 #define AML_INT_STATICSTRING_OP     (UINT16) 0x0034
204 #define AML_INT_METHODCALL_OP       (UINT16) 0x0035
205 #define AML_INT_RETURN_VALUE_OP     (UINT16) 0x0036
206 #define AML_INT_EVAL_SUBTREE_OP     (UINT16) 0x0037
207 
208 
209 #define ARG_NONE                    0x0
210 
211 /*
212  * Argument types for the AML Parser
213  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
214  * There can be up to 31 unique argument types
215  * Zero is reserved as end-of-list indicator
216  */
217 #define ARGP_BYTEDATA               0x01
218 #define ARGP_BYTELIST               0x02
219 #define ARGP_CHARLIST               0x03
220 #define ARGP_DATAOBJ                0x04
221 #define ARGP_DATAOBJLIST            0x05
222 #define ARGP_DWORDDATA              0x06
223 #define ARGP_FIELDLIST              0x07
224 #define ARGP_NAME                   0x08
225 #define ARGP_NAMESTRING             0x09
226 #define ARGP_OBJLIST                0x0A
227 #define ARGP_PKGLENGTH              0x0B
228 #define ARGP_SUPERNAME              0x0C
229 #define ARGP_TARGET                 0x0D
230 #define ARGP_TERMARG                0x0E
231 #define ARGP_TERMLIST               0x0F
232 #define ARGP_WORDDATA               0x10
233 #define ARGP_QWORDDATA              0x11
234 #define ARGP_SIMPLENAME             0x12
235 
236 /*
237  * Resolved argument types for the AML Interpreter
238  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
239  * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
240  *
241  * Note1: These values are completely independent from the ACPI_TYPEs
242  *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
243  *
244  * Note2: If and when 5 bits becomes insufficient, it would probably be best
245  * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
246  */
247 
248 /* Single, simple types */
249 
250 #define ARGI_ANYTYPE                0x01    /* Don't care */
251 #define ARGI_PACKAGE                0x02
252 #define ARGI_EVENT                  0x03
253 #define ARGI_MUTEX                  0x04
254 #define ARGI_DDBHANDLE              0x05
255 
256 /* Interchangeable types (via implicit conversion) */
257 
258 #define ARGI_INTEGER                0x06
259 #define ARGI_STRING                 0x07
260 #define ARGI_BUFFER                 0x08
261 #define ARGI_BUFFER_OR_STRING       0x09    /* Used by MID op only */
262 #define ARGI_COMPUTEDATA            0x0A    /* Buffer, String, or Integer */
263 
264 /* Reference objects */
265 
266 #define ARGI_INTEGER_REF            0x0B
267 #define ARGI_OBJECT_REF             0x0C
268 #define ARGI_DEVICE_REF             0x0D
269 #define ARGI_REFERENCE              0x0E
270 #define ARGI_TARGETREF              0x0F    /* Target, subject to implicit conversion */
271 #define ARGI_FIXED_TARGET           0x10    /* Target, no implicit conversion */
272 #define ARGI_SIMPLE_TARGET          0x11    /* Name, Local, Arg -- no implicit conversion */
273 
274 /* Multiple/complex types */
275 
276 #define ARGI_DATAOBJECT             0x12    /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
277 #define ARGI_COMPLEXOBJ             0x13    /* Buffer, String, or package (Used by INDEX op only) */
278 #define ARGI_REF_OR_STRING          0x14    /* Reference or String (Used by DEREFOF op only) */
279 #define ARGI_REGION_OR_BUFFER       0x15    /* Used by LOAD op only */
280 #define ARGI_DATAREFOBJ             0x16
281 
282 /* Note: types above can expand to 0x1F maximum */
283 
284 #define ARGI_INVALID_OPCODE         0xFFFFFFFF
285 
286 
287 /*
288  * hash offsets
289  */
290 #define AML_EXTOP_HASH_OFFSET       22
291 #define AML_LNOT_HASH_OFFSET        19
292 
293 
294 /*
295  * opcode groups and types
296  */
297 #define OPGRP_NAMED                 0x01
298 #define OPGRP_FIELD                 0x02
299 #define OPGRP_BYTELIST              0x04
300 
301 
302 /*
303  * Opcode information
304  */
305 
306 /* Opcode flags */
307 
308 #define AML_LOGICAL                 0x0001
309 #define AML_LOGICAL_NUMERIC         0x0002
310 #define AML_MATH                    0x0004
311 #define AML_CREATE                  0x0008
312 #define AML_FIELD                   0x0010
313 #define AML_DEFER                   0x0020
314 #define AML_NAMED                   0x0040
315 #define AML_NSNODE                  0x0080
316 #define AML_NSOPCODE                0x0100
317 #define AML_NSOBJECT                0x0200
318 #define AML_HAS_RETVAL              0x0400
319 #define AML_HAS_TARGET              0x0800
320 #define AML_HAS_ARGS                0x1000
321 #define AML_CONSTANT                0x2000
322 #define AML_NO_OPERAND_RESOLVE      0x4000
323 
324 /* Convenient flag groupings */
325 
326 #define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
327 #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS                                   /* Monadic1  */
328 #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Monadic2  */
329 #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
330 #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Monadic2R */
331 #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS                                   /* Dyadic1   */
332 #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Dyadic2   */
333 #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Dyadic2R  */
334 #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
335 #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
336 #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
337 #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
338 
339 
340 /*
341  * The opcode Type is used in a dispatch table, do not change
342  * without updating the table.
343  */
344 #define AML_TYPE_EXEC_0A_0T_1R      0x00
345 #define AML_TYPE_EXEC_1A_0T_0R      0x01 /* Monadic1  */
346 #define AML_TYPE_EXEC_1A_0T_1R      0x02 /* Monadic2  */
347 #define AML_TYPE_EXEC_1A_1T_0R      0x03
348 #define AML_TYPE_EXEC_1A_1T_1R      0x04 /* Monadic2R */
349 #define AML_TYPE_EXEC_2A_0T_0R      0x05 /* Dyadic1   */
350 #define AML_TYPE_EXEC_2A_0T_1R      0x06 /* Dyadic2   */
351 #define AML_TYPE_EXEC_2A_1T_1R      0x07 /* Dyadic2R  */
352 #define AML_TYPE_EXEC_2A_2T_1R      0x08
353 #define AML_TYPE_EXEC_3A_0T_0R      0x09
354 #define AML_TYPE_EXEC_3A_1T_1R      0x0A
355 #define AML_TYPE_EXEC_6A_0T_1R      0x0B
356 /* End of types used in dispatch table */
357 
358 #define AML_TYPE_LITERAL            0x0B
359 #define AML_TYPE_CONSTANT           0x0C
360 #define AML_TYPE_METHOD_ARGUMENT    0x0D
361 #define AML_TYPE_LOCAL_VARIABLE     0x0E
362 #define AML_TYPE_DATA_TERM          0x0F
363 
364 /* Generic for an op that returns a value */
365 
366 #define AML_TYPE_METHOD_CALL        0x10
367 
368 /* Misc */
369 
370 #define AML_TYPE_CREATE_FIELD       0x11
371 #define AML_TYPE_CREATE_OBJECT      0x12
372 #define AML_TYPE_CONTROL            0x13
373 #define AML_TYPE_NAMED_NO_OBJ       0x14
374 #define AML_TYPE_NAMED_FIELD        0x15
375 #define AML_TYPE_NAMED_SIMPLE       0x16
376 #define AML_TYPE_NAMED_COMPLEX      0x17
377 #define AML_TYPE_RETURN             0x18
378 
379 #define AML_TYPE_UNDEFINED          0x19
380 #define AML_TYPE_BOGUS              0x1A
381 
382 /* AML Package Length encodings */
383 
384 #define ACPI_AML_PACKAGE_TYPE1      0x40
385 #define ACPI_AML_PACKAGE_TYPE2      0x4000
386 #define ACPI_AML_PACKAGE_TYPE3      0x400000
387 #define ACPI_AML_PACKAGE_TYPE4      0x40000000
388 
389 /*
390  * Opcode classes
391  */
392 #define AML_CLASS_EXECUTE           0x00
393 #define AML_CLASS_CREATE            0x01
394 #define AML_CLASS_ARGUMENT          0x02
395 #define AML_CLASS_NAMED_OBJECT      0x03
396 #define AML_CLASS_CONTROL           0x04
397 #define AML_CLASS_ASCII             0x05
398 #define AML_CLASS_PREFIX            0x06
399 #define AML_CLASS_INTERNAL          0x07
400 #define AML_CLASS_RETURN_VALUE      0x08
401 #define AML_CLASS_METHOD_CALL       0x09
402 #define AML_CLASS_UNKNOWN           0x0A
403 
404 
405 /* Comparison operation codes for MatchOp operator */
406 
407 typedef enum
408 {
409     MATCH_MTR                       = 0,
410     MATCH_MEQ                       = 1,
411     MATCH_MLE                       = 2,
412     MATCH_MLT                       = 3,
413     MATCH_MGE                       = 4,
414     MATCH_MGT                       = 5
415 
416 } AML_MATCH_OPERATOR;
417 
418 #define MAX_MATCH_OPERATOR          5
419 
420 
421 /*
422  * FieldFlags
423  *
424  * This byte is extracted from the AML and includes three separate
425  * pieces of information about the field:
426  * 1) The field access type
427  * 2) The field update rule
428  * 3) The lock rule for the field
429  *
430  * Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
431  *      04      : LockRule (1 == Lock)
432  *      05 - 06 : UpdateRule
433  */
434 #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
435 #define AML_FIELD_LOCK_RULE_MASK    0x10
436 #define AML_FIELD_UPDATE_RULE_MASK  0x60
437 
438 
439 /* 1) Field Access Types */
440 
441 typedef enum
442 {
443     AML_FIELD_ACCESS_ANY            = 0x00,
444     AML_FIELD_ACCESS_BYTE           = 0x01,
445     AML_FIELD_ACCESS_WORD           = 0x02,
446     AML_FIELD_ACCESS_DWORD          = 0x03,
447     AML_FIELD_ACCESS_QWORD          = 0x04,    /* ACPI 2.0 */
448     AML_FIELD_ACCESS_BUFFER         = 0x05     /* ACPI 2.0 */
449 
450 } AML_ACCESS_TYPE;
451 
452 
453 /* 2) Field Lock Rules */
454 
455 typedef enum
456 {
457     AML_FIELD_LOCK_NEVER            = 0x00,
458     AML_FIELD_LOCK_ALWAYS           = 0x10
459 
460 } AML_LOCK_RULE;
461 
462 
463 /* 3) Field Update Rules */
464 
465 typedef enum
466 {
467     AML_FIELD_UPDATE_PRESERVE       = 0x00,
468     AML_FIELD_UPDATE_WRITE_AS_ONES  = 0x20,
469     AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
470 
471 } AML_UPDATE_RULE;
472 
473 
474 /*
475  * Field Access Attributes.
476  * This byte is extracted from the AML via the
477  * AccessAs keyword
478  */
479 typedef enum
480 {
481     AML_FIELD_ATTRIB_SMB_QUICK      = 0x02,
482     AML_FIELD_ATTRIB_SMB_SEND_RCV   = 0x04,
483     AML_FIELD_ATTRIB_SMB_BYTE       = 0x06,
484     AML_FIELD_ATTRIB_SMB_WORD       = 0x08,
485     AML_FIELD_ATTRIB_SMB_BLOCK      = 0x0A,
486     AML_FIELD_ATTRIB_SMB_WORD_CALL  = 0x0C,
487     AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
488 
489 } AML_ACCESS_ATTRIBUTE;
490 
491 
492 /* Bit fields in the AML MethodFlags byte */
493 
494 #define AML_METHOD_ARG_COUNT        0x07
495 #define AML_METHOD_SERIALIZED       0x08
496 #define AML_METHOD_SYNC_LEVEL       0xF0
497 
498 
499 #endif /* __AMLCODE_H__ */
500