1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: aclocal.h - Internal data types used across the ACPI subsystem
5  *
6  * Copyright (C) 2000 - 2023, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACLOCAL_H__
11 #define __ACLOCAL_H__
12 
13 /* acpisrc:struct_defs -- for acpisrc conversion */
14 
15 #define ACPI_SERIALIZED                 0xFF
16 
17 typedef u32 acpi_mutex_handle;
18 #define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
19 
20 /* Total number of aml opcodes defined */
21 
22 #define AML_NUM_OPCODES                 0x83
23 
24 /* Forward declarations */
25 
26 struct acpi_walk_state;
27 struct acpi_obj_mutex;
28 union acpi_parse_object;
29 
30 /*****************************************************************************
31  *
32  * Mutex typedefs and structs
33  *
34  ****************************************************************************/
35 
36 /*
37  * Predefined handles for the mutex objects used within the subsystem
38  * All mutex objects are automatically created by acpi_ut_mutex_initialize.
39  *
40  * The acquire/release ordering protocol is implied via this list. Mutexes
41  * with a lower value must be acquired before mutexes with a higher value.
42  *
43  * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
44  * table below also!
45  */
46 #define ACPI_MTX_INTERPRETER            0	/* AML Interpreter, main lock */
47 #define ACPI_MTX_NAMESPACE              1	/* ACPI Namespace */
48 #define ACPI_MTX_TABLES                 2	/* Data for ACPI tables */
49 #define ACPI_MTX_EVENTS                 3	/* Data for ACPI events */
50 #define ACPI_MTX_CACHES                 4	/* Internal caches, general purposes */
51 #define ACPI_MTX_MEMORY                 5	/* Debug memory tracking lists */
52 
53 #define ACPI_MAX_MUTEX                  5
54 #define ACPI_NUM_MUTEX                  (ACPI_MAX_MUTEX+1)
55 
56 /* Lock structure for reader/writer interfaces */
57 
58 struct acpi_rw_lock {
59 	acpi_mutex writer_mutex;
60 	acpi_mutex reader_mutex;
61 	u32 num_readers;
62 };
63 
64 /*
65  * Predefined handles for spinlocks used within the subsystem.
66  * These spinlocks are created by acpi_ut_mutex_initialize
67  */
68 #define ACPI_LOCK_GPES                  0
69 #define ACPI_LOCK_HARDWARE              1
70 
71 #define ACPI_MAX_LOCK                   1
72 #define ACPI_NUM_LOCK                   (ACPI_MAX_LOCK+1)
73 
74 /* This Thread ID means that the mutex is not in use (unlocked) */
75 
76 #define ACPI_MUTEX_NOT_ACQUIRED         ((acpi_thread_id) 0)
77 
78 /* This Thread ID means an invalid thread ID */
79 
80 #ifdef ACPI_OS_INVALID_THREAD_ID
81 #define ACPI_INVALID_THREAD_ID          ACPI_OS_INVALID_THREAD_ID
82 #else
83 #define ACPI_INVALID_THREAD_ID          ((acpi_thread_id) 0xFFFFFFFF)
84 #endif
85 
86 /* Table for the global mutexes */
87 
88 struct acpi_mutex_info {
89 	acpi_mutex mutex;
90 	u32 use_count;
91 	acpi_thread_id thread_id;
92 };
93 
94 /* Lock flag parameter for various interfaces */
95 
96 #define ACPI_MTX_DO_NOT_LOCK            0
97 #define ACPI_MTX_LOCK                   1
98 
99 /* Field access granularities */
100 
101 #define ACPI_FIELD_BYTE_GRANULARITY     1
102 #define ACPI_FIELD_WORD_GRANULARITY     2
103 #define ACPI_FIELD_DWORD_GRANULARITY    4
104 #define ACPI_FIELD_QWORD_GRANULARITY    8
105 
106 #define ACPI_ENTRY_NOT_FOUND            NULL
107 
108 /*****************************************************************************
109  *
110  * Namespace typedefs and structs
111  *
112  ****************************************************************************/
113 
114 /* Operational modes of the AML interpreter/scanner */
115 
116 typedef enum {
117 	ACPI_IMODE_LOAD_PASS1 = 0x01,
118 	ACPI_IMODE_LOAD_PASS2 = 0x02,
119 	ACPI_IMODE_EXECUTE = 0x03
120 } acpi_interpreter_mode;
121 
122 /*
123  * The Namespace Node describes a named object that appears in the AML.
124  * descriptor_type is used to differentiate between internal descriptors.
125  *
126  * The node is optimized for both 32-bit and 64-bit platforms:
127  * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
128  *
129  * Note: The descriptor_type and Type fields must appear in the identical
130  * position in both the struct acpi_namespace_node and union acpi_operand_object
131  * structures.
132  */
133 struct acpi_namespace_node {
134 	union acpi_operand_object *object;	/* Interpreter object */
135 	u8 descriptor_type;	/* Differentiate object descriptor types */
136 	u8 type;		/* ACPI Type associated with this name */
137 	u16 flags;		/* Miscellaneous flags */
138 	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
139 	struct acpi_namespace_node *parent;	/* Parent node */
140 	struct acpi_namespace_node *child;	/* First child */
141 	struct acpi_namespace_node *peer;	/* First peer */
142 	acpi_owner_id owner_id;	/* Node creator */
143 
144 	/*
145 	 * The following fields are used by the ASL compiler and disassembler only
146 	 */
147 #ifdef ACPI_LARGE_NAMESPACE_NODE
148 	union acpi_parse_object *op;
149 	void *method_locals;
150 	void *method_args;
151 	u32 value;
152 	u32 length;
153 	u8 arg_count;
154 
155 #endif
156 };
157 
158 /* Namespace Node flags */
159 
160 #define ANOBJ_RESERVED                  0x01	/* Available for use */
161 #define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
162 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
163 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
164 #define ANOBJ_SUBTREE_HAS_INI           0x10	/* Used to optimize device initialization */
165 #define ANOBJ_EVALUATED                 0x20	/* Set on first evaluation of node */
166 #define ANOBJ_ALLOCATED_BUFFER          0x40	/* Method AML buffer is dynamic (install_method) */
167 #define ANOBJ_NODE_EARLY_INIT           0x80	/* acpi_exec only: Node was create via init file (-fi) */
168 
169 #define ANOBJ_IS_EXTERNAL               0x08	/* iASL only: This object created via External() */
170 #define ANOBJ_METHOD_NO_RETVAL          0x10	/* iASL only: Method has no return value */
171 #define ANOBJ_METHOD_SOME_NO_RETVAL     0x20	/* iASL only: Method has at least one return value */
172 #define ANOBJ_IS_REFERENCED             0x80	/* iASL only: Object was referenced */
173 
174 /* Internal ACPI table management - master table list */
175 
176 struct acpi_table_list {
177 	struct acpi_table_desc *tables;	/* Table descriptor array */
178 	u32 current_table_count;	/* Tables currently in the array */
179 	u32 max_table_count;	/* Max tables array will hold */
180 	u8 flags;
181 };
182 
183 /* Flags for above */
184 
185 #define ACPI_ROOT_ORIGIN_UNKNOWN        (0)	/* ~ORIGIN_ALLOCATED */
186 #define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
187 #define ACPI_ROOT_ALLOW_RESIZE          (2)
188 
189 /* List to manage incoming ACPI tables */
190 
191 struct acpi_new_table_desc {
192 	struct acpi_table_header *table;
193 	struct acpi_new_table_desc *next;
194 };
195 
196 /* Predefined table indexes */
197 
198 #define ACPI_INVALID_TABLE_INDEX        (0xFFFFFFFF)
199 
200 struct acpi_find_context {
201 	char *search_for;
202 	acpi_handle *list;
203 	u32 *count;
204 };
205 
206 struct acpi_ns_search_data {
207 	struct acpi_namespace_node *node;
208 };
209 
210 /* Object types used during package copies */
211 
212 #define ACPI_COPY_TYPE_SIMPLE           0
213 #define ACPI_COPY_TYPE_PACKAGE          1
214 
215 /* Info structure used to convert external<->internal namestrings */
216 
217 struct acpi_namestring_info {
218 	const char *external_name;
219 	const char *next_external_char;
220 	char *internal_name;
221 	u32 length;
222 	u32 num_segments;
223 	u32 num_carats;
224 	u8 fully_qualified;
225 };
226 
227 /* Field creation info */
228 
229 struct acpi_create_field_info {
230 	struct acpi_namespace_node *region_node;
231 	struct acpi_namespace_node *field_node;
232 	struct acpi_namespace_node *register_node;
233 	struct acpi_namespace_node *data_register_node;
234 	struct acpi_namespace_node *connection_node;
235 	u8 *resource_buffer;
236 	u32 bank_value;
237 	u32 field_bit_position;
238 	u32 field_bit_length;
239 	u16 resource_length;
240 	u16 pin_number_index;
241 	u8 field_flags;
242 	u8 attribute;
243 	u8 field_type;
244 	u8 access_length;
245 };
246 
247 typedef
248 acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state);
249 
250 /*
251  * Bitmapped ACPI types. Used internally only
252  */
253 #define ACPI_BTYPE_ANY                  0x00000000
254 #define ACPI_BTYPE_INTEGER              0x00000001
255 #define ACPI_BTYPE_STRING               0x00000002
256 #define ACPI_BTYPE_BUFFER               0x00000004
257 #define ACPI_BTYPE_PACKAGE              0x00000008
258 #define ACPI_BTYPE_FIELD_UNIT           0x00000010
259 #define ACPI_BTYPE_DEVICE               0x00000020
260 #define ACPI_BTYPE_EVENT                0x00000040
261 #define ACPI_BTYPE_METHOD               0x00000080
262 #define ACPI_BTYPE_MUTEX                0x00000100
263 #define ACPI_BTYPE_REGION               0x00000200
264 #define ACPI_BTYPE_POWER                0x00000400
265 #define ACPI_BTYPE_PROCESSOR            0x00000800
266 #define ACPI_BTYPE_THERMAL              0x00001000
267 #define ACPI_BTYPE_BUFFER_FIELD         0x00002000
268 #define ACPI_BTYPE_DDB_HANDLE           0x00004000
269 #define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
270 #define ACPI_BTYPE_REFERENCE_OBJECT     0x00010000	/* From Index(), ref_of(), etc (type6_opcodes) */
271 #define ACPI_BTYPE_RESOURCE             0x00020000
272 #define ACPI_BTYPE_NAMED_REFERENCE      0x00040000	/* Generic unresolved Name or Namepath */
273 
274 #define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
275 
276 #define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
277 
278 	/* Used by Copy, de_ref_of, Store, Printf, Fprintf */
279 
280 #define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE_OBJECT | ACPI_BTYPE_DDB_HANDLE)
281 #define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
282 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
283 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
284 
285 #pragma pack(1)
286 
287 /*
288  * Information structure for ACPI predefined names.
289  * Each entry in the table contains the following items:
290  *
291  * name                 - The ACPI reserved name
292  * param_count          - Number of arguments to the method
293  * expected_return_btypes - Allowed type(s) for the return value
294  */
295 struct acpi_name_info {
296 	char name[ACPI_NAMESEG_SIZE];
297 	u16 argument_list;
298 	u8 expected_btypes;
299 };
300 
301 /*
302  * Secondary information structures for ACPI predefined objects that return
303  * package objects. This structure appears as the next entry in the table
304  * after the NAME_INFO structure above.
305  *
306  * The reason for this is to minimize the size of the predefined name table.
307  */
308 
309 /*
310  * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
311  * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT,
312  * ACPI_PTYPE2_FIX_VAR
313  */
314 struct acpi_package_info {
315 	u8 type;
316 	u8 object_type1;
317 	u8 count1;
318 	u8 object_type2;
319 	u8 count2;
320 	u16 reserved;
321 };
322 
323 /* Used for ACPI_PTYPE2_FIXED */
324 
325 struct acpi_package_info2 {
326 	u8 type;
327 	u8 count;
328 	u8 object_type[4];
329 	u8 reserved;
330 };
331 
332 /* Used for ACPI_PTYPE1_OPTION */
333 
334 struct acpi_package_info3 {
335 	u8 type;
336 	u8 count;
337 	u8 object_type[2];
338 	u8 tail_object_type;
339 	u16 reserved;
340 };
341 
342 struct acpi_package_info4 {
343 	u8 type;
344 	u8 object_type1;
345 	u8 count1;
346 	u8 sub_object_types;
347 	u8 pkg_count;
348 	u16 reserved;
349 };
350 
351 union acpi_predefined_info {
352 	struct acpi_name_info info;
353 	struct acpi_package_info ret_info;
354 	struct acpi_package_info2 ret_info2;
355 	struct acpi_package_info3 ret_info3;
356 	struct acpi_package_info4 ret_info4;
357 };
358 
359 /* Reset to default packing */
360 
361 #pragma pack()
362 
363 /* Return object auto-repair info */
364 
365 typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node *
366 					      scope,
367 					      union acpi_operand_object *
368 					      original_object,
369 					      union acpi_operand_object **
370 					      converted_object);
371 
372 struct acpi_simple_repair_info {
373 	char name[ACPI_NAMESEG_SIZE];
374 	u32 unexpected_btypes;
375 	u32 package_index;
376 	acpi_object_converter object_converter;
377 };
378 
379 /*
380  * Bitmapped return value types
381  * Note: the actual data types must be contiguous, a loop in nspredef.c
382  * depends on this.
383  */
384 #define ACPI_RTYPE_ANY                  0x00
385 #define ACPI_RTYPE_NONE                 0x01
386 #define ACPI_RTYPE_INTEGER              0x02
387 #define ACPI_RTYPE_STRING               0x04
388 #define ACPI_RTYPE_BUFFER               0x08
389 #define ACPI_RTYPE_PACKAGE              0x10
390 #define ACPI_RTYPE_REFERENCE            0x20
391 #define ACPI_RTYPE_ALL                  0x3F
392 
393 #define ACPI_NUM_RTYPES                 5	/* Number of actual object types */
394 
395 /* Info for running the _REG methods */
396 
397 struct acpi_reg_walk_info {
398 	u32 function;
399 	u32 reg_run_count;
400 	acpi_adr_space_type space_id;
401 };
402 
403 /*****************************************************************************
404  *
405  * Event typedefs and structs
406  *
407  ****************************************************************************/
408 
409 /* Dispatch info for each host-installed SCI handler */
410 
411 struct acpi_sci_handler_info {
412 	struct acpi_sci_handler_info *next;
413 	acpi_sci_handler address;	/* Address of handler */
414 	void *context;		/* Context to be passed to handler */
415 };
416 
417 /* Dispatch info for each GPE -- either a method or handler, cannot be both */
418 
419 struct acpi_gpe_handler_info {
420 	acpi_gpe_handler address;	/* Address of handler, if any */
421 	void *context;		/* Context to be passed to handler */
422 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level (saved) */
423 	u8 original_flags;	/* Original (pre-handler) GPE info */
424 	u8 originally_enabled;	/* True if GPE was originally enabled */
425 };
426 
427 /* Notify info for implicit notify, multiple device objects */
428 
429 struct acpi_gpe_notify_info {
430 	struct acpi_namespace_node *device_node;	/* Device to be notified */
431 	struct acpi_gpe_notify_info *next;
432 };
433 
434 /*
435  * GPE dispatch info. At any time, the GPE can have at most one type
436  * of dispatch - Method, Handler, or Implicit Notify.
437  */
438 union acpi_gpe_dispatch_info {
439 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level */
440 	struct acpi_gpe_handler_info *handler;  /* Installed GPE handler */
441 	struct acpi_gpe_notify_info *notify_list;	/* List of _PRW devices for implicit notifies */
442 };
443 
444 /*
445  * Information about a GPE, one per each GPE in an array.
446  * NOTE: Important to keep this struct as small as possible.
447  */
448 struct acpi_gpe_event_info {
449 	union acpi_gpe_dispatch_info dispatch;	/* Either Method, Handler, or notify_list */
450 	struct acpi_gpe_register_info *register_info;	/* Backpointer to register info */
451 	u8 flags;		/* Misc info about this GPE */
452 	u8 gpe_number;		/* This GPE */
453 	u8 runtime_count;	/* References to a run GPE */
454 	u8 disable_for_dispatch;	/* Masked during dispatching */
455 };
456 
457 /* GPE register address */
458 
459 struct acpi_gpe_address {
460 	u8 space_id;	/* Address space where the register exists */
461 	u64 address;	/* 64-bit address of the register */
462 };
463 
464 /* Information about a GPE register pair, one per each status/enable pair in an array */
465 
466 struct acpi_gpe_register_info {
467 	struct acpi_gpe_address status_address;	/* Address of status reg */
468 	struct acpi_gpe_address enable_address;	/* Address of enable reg */
469 	u16 base_gpe_number;	/* Base GPE number for this register */
470 	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
471 	u8 enable_for_run;	/* GPEs to keep enabled when running */
472 	u8 mask_for_run;	/* GPEs to keep masked when running */
473 	u8 enable_mask;		/* Current mask of enabled GPEs */
474 };
475 
476 /*
477  * Information about a GPE register block, one per each installed block --
478  * GPE0, GPE1, and one per each installed GPE Block Device.
479  */
480 struct acpi_gpe_block_info {
481 	struct acpi_namespace_node *node;
482 	struct acpi_gpe_block_info *previous;
483 	struct acpi_gpe_block_info *next;
484 	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
485 	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
486 	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
487 	u64 address;		/* Base address of the block */
488 	u32 register_count;	/* Number of register pairs in block */
489 	u16 gpe_count;		/* Number of individual GPEs in block */
490 	u16 block_base_number;	/* Base GPE number for this block */
491 	u8 space_id;
492 	u8 initialized;		/* TRUE if this block is initialized */
493 };
494 
495 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
496 
497 struct acpi_gpe_xrupt_info {
498 	struct acpi_gpe_xrupt_info *previous;
499 	struct acpi_gpe_xrupt_info *next;
500 	struct acpi_gpe_block_info *gpe_block_list_head;	/* List of GPE blocks for this xrupt */
501 	u32 interrupt_number;	/* System interrupt number */
502 };
503 
504 struct acpi_gpe_walk_info {
505 	struct acpi_namespace_node *gpe_device;
506 	struct acpi_gpe_block_info *gpe_block;
507 	u16 count;
508 	acpi_owner_id owner_id;
509 	u8 execute_by_owner_id;
510 };
511 
512 struct acpi_gpe_device_info {
513 	u32 index;
514 	u32 next_block_base_index;
515 	acpi_status status;
516 	struct acpi_namespace_node *gpe_device;
517 };
518 
519 typedef acpi_status (*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
520 					  gpe_xrupt_info,
521 					  struct acpi_gpe_block_info *
522 					  gpe_block, void *context);
523 
524 /* Information about each particular fixed event */
525 
526 struct acpi_fixed_event_handler {
527 	acpi_event_handler handler;	/* Address of handler. */
528 	void *context;		/* Context to be passed to handler */
529 };
530 
531 struct acpi_fixed_event_info {
532 	u8 status_register_id;
533 	u8 enable_register_id;
534 	u16 status_bit_mask;
535 	u16 enable_bit_mask;
536 };
537 
538 /* Information used during field processing */
539 
540 struct acpi_field_info {
541 	u8 skip_field;
542 	u8 field_flag;
543 	u32 pkg_length;
544 };
545 
546 /* Information about the interrupt ID and _EVT of a GED device */
547 
548 struct acpi_ged_handler_info {
549 	struct acpi_ged_handler_info *next;
550 	u32 int_id;		/* The interrupt ID that triggers the execution ofthe evt_method. */
551 	struct acpi_namespace_node *evt_method;	/* The _EVT method to be executed when an interrupt with ID = int_ID is received */
552 };
553 
554 /*****************************************************************************
555  *
556  * Generic "state" object for stacks
557  *
558  ****************************************************************************/
559 
560 #define ACPI_CONTROL_NORMAL                  0xC0
561 #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
562 #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
563 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
564 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
565 
566 #define ACPI_STATE_COMMON \
567 	void                            *next; \
568 	u8                              descriptor_type; /* To differentiate various internal objs */\
569 	u8                              flags; \
570 	u16                             value; \
571 	u16                             state
572 
573 	/* There are 2 bytes available here until the next natural alignment boundary */
574 
575 struct acpi_common_state {
576 	ACPI_STATE_COMMON;
577 };
578 
579 /*
580  * Update state - used to traverse complex objects such as packages
581  */
582 struct acpi_update_state {
583 	ACPI_STATE_COMMON;
584 	union acpi_operand_object *object;
585 };
586 
587 /*
588  * Pkg state - used to traverse nested package structures
589  */
590 struct acpi_pkg_state {
591 	ACPI_STATE_COMMON;
592 	u32 index;
593 	union acpi_operand_object *source_object;
594 	union acpi_operand_object *dest_object;
595 	struct acpi_walk_state *walk_state;
596 	void *this_target_obj;
597 	u32 num_packages;
598 };
599 
600 /*
601  * Control state - one per if/else and while constructs.
602  * Allows nesting of these constructs
603  */
604 struct acpi_control_state {
605 	ACPI_STATE_COMMON;
606 	u16 opcode;
607 	union acpi_parse_object *predicate_op;
608 	u8 *aml_predicate_start;	/* Start of if/while predicate */
609 	u8 *package_end;	/* End of if/while block */
610 	u64 loop_timeout;	/* While() loop timeout */
611 };
612 
613 /*
614  * Scope state - current scope during namespace lookups
615  */
616 struct acpi_scope_state {
617 	ACPI_STATE_COMMON;
618 	struct acpi_namespace_node *node;
619 };
620 
621 struct acpi_pscope_state {
622 	ACPI_STATE_COMMON;
623 	u32 arg_count;		/* Number of fixed arguments */
624 	union acpi_parse_object *op;	/* Current op being parsed */
625 	u8 *arg_end;		/* Current argument end */
626 	u8 *pkg_end;		/* Current package end */
627 	u32 arg_list;		/* Next argument to parse */
628 };
629 
630 /*
631  * Thread state - one per thread across multiple walk states. Multiple walk
632  * states are created when there are nested control methods executing.
633  */
634 struct acpi_thread_state {
635 	ACPI_STATE_COMMON;
636 	u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
637 	struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
638 	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
639 	acpi_thread_id thread_id;	/* Running thread ID */
640 };
641 
642 /*
643  * Result values - used to accumulate the results of nested
644  * AML arguments
645  */
646 struct acpi_result_values {
647 	ACPI_STATE_COMMON;
648 	union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
649 };
650 
651 typedef
652 acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
653 				     union acpi_parse_object ** out_op);
654 
655 typedef
656 acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
657 
658 /* Global handlers for AML Notifies */
659 
660 struct acpi_global_notify_handler {
661 	acpi_notify_handler handler;
662 	void *context;
663 };
664 
665 /*
666  * Notify info - used to pass info to the deferred notify
667  * handler/dispatcher.
668  */
669 struct acpi_notify_info {
670 	ACPI_STATE_COMMON;
671 	u8 handler_list_id;
672 	struct acpi_namespace_node *node;
673 	union acpi_operand_object *handler_list_head;
674 	struct acpi_global_notify_handler *global;
675 };
676 
677 /* Generic state is union of structs above */
678 
679 union acpi_generic_state {
680 	struct acpi_common_state common;
681 	struct acpi_control_state control;
682 	struct acpi_update_state update;
683 	struct acpi_scope_state scope;
684 	struct acpi_pscope_state parse_scope;
685 	struct acpi_pkg_state pkg;
686 	struct acpi_thread_state thread;
687 	struct acpi_result_values results;
688 	struct acpi_notify_info notify;
689 };
690 
691 /*****************************************************************************
692  *
693  * Interpreter typedefs and structs
694  *
695  ****************************************************************************/
696 
697 typedef
698 acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state);
699 
700 /* Address Range info block */
701 
702 struct acpi_address_range {
703 	struct acpi_address_range *next;
704 	struct acpi_namespace_node *region_node;
705 	acpi_physical_address start_address;
706 	acpi_physical_address end_address;
707 };
708 
709 /*****************************************************************************
710  *
711  * Parser typedefs and structs
712  *
713  ****************************************************************************/
714 
715 /*
716  * AML opcode, name, and argument layout
717  */
718 struct acpi_opcode_info {
719 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
720 	char *name;		/* Opcode name (disassembler/debug only) */
721 #endif
722 	u32 parse_args;		/* Grammar/Parse time arguments */
723 	u32 runtime_args;	/* Interpret time arguments */
724 	u16 flags;		/* Misc flags */
725 	u8 object_type;		/* Corresponding internal object type */
726 	u8 class;		/* Opcode class */
727 	u8 type;		/* Opcode type */
728 };
729 
730 /* Value associated with the parse object */
731 
732 union acpi_parse_value {
733 	u64 integer;		/* Integer constant (Up to 64 bits) */
734 	u32 size;		/* bytelist or field size */
735 	char *string;		/* NULL terminated string */
736 	u8 *buffer;		/* buffer or string */
737 	char *name;		/* NULL terminated string */
738 	union acpi_parse_object *arg;	/* arguments and contained ops */
739 };
740 
741 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
742 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
743 #else
744 #define ACPI_DISASM_ONLY_MEMBERS(a)
745 #endif
746 
747 #if defined(ACPI_ASL_COMPILER)
748 #define ACPI_CONVERTER_ONLY_MEMBERS(a)  a;
749 #else
750 #define ACPI_CONVERTER_ONLY_MEMBERS(a)
751 #endif
752 
753 #define ACPI_PARSE_COMMON \
754 	union acpi_parse_object         *parent;            /* Parent op */\
755 	u8                              descriptor_type;    /* To differentiate various internal objs */\
756 	u8                              flags;              /* Type of Op */\
757 	u16                             aml_opcode;         /* AML opcode */\
758 	u8                              *aml;               /* Address of declaration in AML */\
759 	union acpi_parse_object         *next;              /* Next op */\
760 	struct acpi_namespace_node      *node;              /* For use by interpreter */\
761 	union acpi_parse_value          value;              /* Value or args associated with the opcode */\
762 	u8                              arg_list_length;    /* Number of elements in the arg list */\
763 	 ACPI_DISASM_ONLY_MEMBERS (\
764 	u16                             disasm_flags;       /* Used during AML disassembly */\
765 	u8                              disasm_opcode;      /* Subtype used for disassembly */\
766 	char                            *operator_symbol;   /* Used for C-style operator name strings */\
767 	char                            aml_op_name[16])    /* Op name (debug only) */\
768 	 ACPI_CONVERTER_ONLY_MEMBERS (\
769 	char                            *inline_comment;    /* Inline comment */\
770 	char                            *end_node_comment;  /* End of node comment */\
771 	char                            *name_comment;      /* Comment associated with the first parameter of the name node */\
772 	char                            *close_brace_comment; /* Comments that come after } on the same as } */\
773 	struct acpi_comment_node        *comment_list;      /* comments that appears before this node */\
774 	struct acpi_comment_node        *end_blk_comment;   /* comments that at the end of a block but before ) or } */\
775 	char                            *cv_filename;       /* Filename associated with this node. Used for ASL/ASL+ converter */\
776 	char                            *cv_parent_filename)	/* Parent filename associated with this node. Used for ASL/ASL+ converter */
777 
778 /* categories of comments */
779 
780 typedef enum {
781 	STANDARD_COMMENT = 1,
782 	INLINE_COMMENT,
783 	ENDNODE_COMMENT,
784 	OPENBRACE_COMMENT,
785 	CLOSE_BRACE_COMMENT,
786 	STD_DEFBLK_COMMENT,
787 	END_DEFBLK_COMMENT,
788 	FILENAME_COMMENT,
789 	PARENTFILENAME_COMMENT,
790 	ENDBLK_COMMENT,
791 	INCLUDE_COMMENT
792 } asl_comment_types;
793 
794 /* Internal opcodes for disasm_opcode field above */
795 
796 #define ACPI_DASM_BUFFER                0x00	/* Buffer is a simple data buffer */
797 #define ACPI_DASM_RESOURCE              0x01	/* Buffer is a Resource Descriptor */
798 #define ACPI_DASM_STRING                0x02	/* Buffer is a ASCII string */
799 #define ACPI_DASM_UNICODE               0x03	/* Buffer is a Unicode string */
800 #define ACPI_DASM_PLD_METHOD            0x04	/* Buffer is a _PLD method bit-packed buffer */
801 #define ACPI_DASM_UUID                  0x05	/* Buffer is a UUID/GUID */
802 #define ACPI_DASM_EISAID                0x06	/* Integer is an EISAID */
803 #define ACPI_DASM_MATCHOP               0x07	/* Parent opcode is a Match() operator */
804 #define ACPI_DASM_LNOT_PREFIX           0x08	/* Start of a Lnot_equal (etc.) pair of opcodes */
805 #define ACPI_DASM_LNOT_SUFFIX           0x09	/* End  of a Lnot_equal (etc.) pair of opcodes */
806 #define ACPI_DASM_HID_STRING            0x0A	/* String is a _HID or _CID */
807 #define ACPI_DASM_IGNORE_SINGLE         0x0B	/* Ignore the opcode but not it's children */
808 #define ACPI_DASM_SWITCH                0x0C	/* While is a Switch */
809 #define ACPI_DASM_SWITCH_PREDICATE      0x0D	/* Object is a predicate for a Switch or Case block */
810 #define ACPI_DASM_CASE                  0x0E	/* If/Else is a Case in a Switch/Case block */
811 #define ACPI_DASM_DEFAULT               0x0F	/* Else is a Default in a Switch/Case block */
812 
813 /*
814  * List struct used in the -ca option
815  */
816 struct acpi_comment_node {
817 	char *comment;
818 	struct acpi_comment_node *next;
819 };
820 
821 struct acpi_comment_addr_node {
822 	u8 *addr;
823 	struct acpi_comment_addr_node *next;
824 };
825 
826 /*
827  * File node - used for "Include" operator file stack and
828  * dependency tree for the -ca option
829  */
830 struct acpi_file_node {
831 	void *file;
832 	char *filename;
833 	char *file_start;	/* Points to AML and indicates when the AML for this particular file starts. */
834 	char *file_end;		/* Points to AML and indicates when the AML for this particular file ends. */
835 	struct acpi_file_node *next;
836 	struct acpi_file_node *parent;
837 	u8 include_written;
838 	struct acpi_comment_node *include_comment;
839 };
840 
841 /*
842  * Generic operation (for example:  If, While, Store)
843  */
844 struct acpi_parse_obj_common {
845 ACPI_PARSE_COMMON};
846 
847 /*
848  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
849  * and bytelists.
850  */
851 struct acpi_parse_obj_named {
852 	ACPI_PARSE_COMMON char *path;
853 	u8 *data;		/* AML body or bytelist data */
854 	u32 length;		/* AML length */
855 	u32 name;		/* 4-byte name or zero if no name */
856 };
857 
858 /* This version is used by the iASL compiler only */
859 
860 #define ACPI_MAX_PARSEOP_NAME       20
861 
862 struct acpi_parse_obj_asl {
863 	ACPI_PARSE_COMMON union acpi_parse_object *child;
864 	union acpi_parse_object *parent_method;
865 	char *filename;
866 	u8 file_changed;
867 	char *parent_filename;
868 	char *external_name;
869 	char *namepath;
870 	char name_seg[4];
871 	u32 extra_value;
872 	u32 column;
873 	u32 line_number;
874 	u32 logical_line_number;
875 	u32 logical_byte_offset;
876 	u32 end_line;
877 	u32 end_logical_line;
878 	u32 acpi_btype;
879 	u32 aml_length;
880 	u32 aml_subtree_length;
881 	u32 final_aml_length;
882 	u32 final_aml_offset;
883 	u32 compile_flags;
884 	u16 parse_opcode;
885 	u8 aml_opcode_length;
886 	u8 aml_pkg_len_bytes;
887 	u8 extra;
888 	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
889 };
890 
891 union acpi_parse_object {
892 	struct acpi_parse_obj_common common;
893 	struct acpi_parse_obj_named named;
894 	struct acpi_parse_obj_asl asl;
895 };
896 
897 struct asl_comment_state {
898 	u8 comment_type;
899 	u32 spaces_before;
900 	union acpi_parse_object *latest_parse_op;
901 	union acpi_parse_object *parsing_paren_brace_node;
902 	u8 capture_comments;
903 };
904 
905 /*
906  * Parse state - one state per parser invocation and each control
907  * method.
908  */
909 struct acpi_parse_state {
910 	u8 *aml_start;		/* First AML byte */
911 	u8 *aml;		/* Next AML byte */
912 	u8 *aml_end;		/* (last + 1) AML byte */
913 	u8 *pkg_start;		/* Current package begin */
914 	u8 *pkg_end;		/* Current package end */
915 	union acpi_parse_object *start_op;	/* Root of parse tree */
916 	struct acpi_namespace_node *start_node;
917 	union acpi_generic_state *scope;	/* Current scope */
918 	union acpi_parse_object *start_scope;
919 	u32 aml_size;
920 };
921 
922 /* Parse object flags */
923 
924 #define ACPI_PARSEOP_GENERIC                0x01
925 #define ACPI_PARSEOP_NAMED_OBJECT           0x02
926 #define ACPI_PARSEOP_DEFERRED               0x04
927 #define ACPI_PARSEOP_BYTELIST               0x08
928 #define ACPI_PARSEOP_IN_STACK               0x10
929 #define ACPI_PARSEOP_TARGET                 0x20
930 #define ACPI_PARSEOP_IN_CACHE               0x80
931 
932 /* Parse object disasm_flags */
933 
934 #define ACPI_PARSEOP_IGNORE                 0x0001
935 #define ACPI_PARSEOP_PARAMETER_LIST         0x0002
936 #define ACPI_PARSEOP_EMPTY_TERMLIST         0x0004
937 #define ACPI_PARSEOP_PREDEFINED_CHECKED     0x0008
938 #define ACPI_PARSEOP_CLOSING_PAREN          0x0010
939 #define ACPI_PARSEOP_COMPOUND_ASSIGNMENT    0x0020
940 #define ACPI_PARSEOP_ASSIGNMENT             0x0040
941 #define ACPI_PARSEOP_ELSEIF                 0x0080
942 #define ACPI_PARSEOP_LEGACY_ASL_ONLY        0x0100
943 
944 /*****************************************************************************
945  *
946  * Hardware (ACPI registers) and PNP
947  *
948  ****************************************************************************/
949 
950 struct acpi_bit_register_info {
951 	u8 parent_register;
952 	u8 bit_position;
953 	u16 access_bit_mask;
954 };
955 
956 /*
957  * Some ACPI registers have bits that must be ignored -- meaning that they
958  * must be preserved.
959  */
960 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800	/* Bit 11 */
961 
962 /* Write-only bits must be zeroed by software */
963 
964 #define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004	/* Bits 13, 2 */
965 
966 /* For control registers, both ignored and reserved bits must be preserved */
967 
968 /*
969  * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
970  * ACPI specification to be a "preserved" bit - "OSPM always preserves this
971  * bit position", section 4.7.3.2.1. However, on some machines the OS must
972  * write a one to this bit after resume for the machine to work properly.
973  * To enable this, we no longer attempt to preserve this bit. No machines
974  * are known to fail if the bit is not preserved. (May 2009)
975  */
976 #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200	/* Bit 9 */
977 #define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8	/* Bits 14-15, 3-8 */
978 #define ACPI_PM1_CONTROL_PRESERVED_BITS \
979 	       (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
980 
981 #define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE	/* All except bit 0 */
982 
983 /*
984  * Register IDs
985  * These are the full ACPI registers
986  */
987 #define ACPI_REGISTER_PM1_STATUS                0x01
988 #define ACPI_REGISTER_PM1_ENABLE                0x02
989 #define ACPI_REGISTER_PM1_CONTROL               0x03
990 #define ACPI_REGISTER_PM2_CONTROL               0x04
991 #define ACPI_REGISTER_PM_TIMER                  0x05
992 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
993 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
994 
995 /* Masks used to access the bit_registers */
996 
997 #define ACPI_BITMASK_TIMER_STATUS               0x0001
998 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
999 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
1000 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
1001 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
1002 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
1003 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
1004 #define ACPI_BITMASK_WAKE_STATUS                0x8000
1005 
1006 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
1007 	ACPI_BITMASK_TIMER_STATUS          | \
1008 	ACPI_BITMASK_BUS_MASTER_STATUS     | \
1009 	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
1010 	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
1011 	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
1012 	ACPI_BITMASK_RT_CLOCK_STATUS       | \
1013 	ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
1014 	ACPI_BITMASK_WAKE_STATUS)
1015 
1016 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
1017 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
1018 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
1019 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
1020 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
1021 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
1022 
1023 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
1024 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
1025 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
1026 #define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
1027 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
1028 
1029 #define ACPI_BITMASK_ARB_DISABLE                0x0001
1030 
1031 /* Raw bit position of each bit_register */
1032 
1033 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
1034 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
1035 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
1036 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
1037 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
1038 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
1039 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
1040 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
1041 
1042 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
1043 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
1044 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
1045 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
1046 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
1047 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */
1048 
1049 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
1050 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
1051 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
1052 #define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
1053 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
1054 
1055 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
1056 
1057 /* Structs and definitions for _OSI support and I/O port validation */
1058 
1059 #define ACPI_ALWAYS_ILLEGAL             0x00
1060 
1061 struct acpi_interface_info {
1062 	char *name;
1063 	struct acpi_interface_info *next;
1064 	u8 flags;
1065 	u8 value;
1066 };
1067 
1068 #define ACPI_OSI_INVALID                0x01
1069 #define ACPI_OSI_DYNAMIC                0x02
1070 #define ACPI_OSI_FEATURE                0x04
1071 #define ACPI_OSI_DEFAULT_INVALID        0x08
1072 #define ACPI_OSI_OPTIONAL_FEATURE       (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
1073 
1074 struct acpi_port_info {
1075 	char *name;
1076 	u16 start;
1077 	u16 end;
1078 	u8 osi_dependency;
1079 };
1080 
1081 /*****************************************************************************
1082  *
1083  * Resource descriptors
1084  *
1085  ****************************************************************************/
1086 
1087 /* resource_type values */
1088 
1089 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
1090 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
1091 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
1092 
1093 /* Resource descriptor types and masks */
1094 
1095 #define ACPI_RESOURCE_NAME_LARGE                0x80
1096 #define ACPI_RESOURCE_NAME_SMALL                0x00
1097 
1098 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
1099 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
1100 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */
1101 
1102 /*
1103  * Small resource descriptor "names" as defined by the ACPI specification.
1104  * Note: Bits 2:0 are used for the descriptor length
1105  */
1106 #define ACPI_RESOURCE_NAME_IRQ                  0x20
1107 #define ACPI_RESOURCE_NAME_DMA                  0x28
1108 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
1109 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
1110 #define ACPI_RESOURCE_NAME_IO                   0x40
1111 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
1112 #define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
1113 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
1114 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
1115 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
1116 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
1117 #define ACPI_RESOURCE_NAME_END_TAG              0x78
1118 
1119 /*
1120  * Large resource descriptor "names" as defined by the ACPI specification.
1121  * Note: includes the Large Descriptor bit in bit[7]
1122  */
1123 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
1124 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
1125 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
1126 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1127 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
1128 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1129 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1130 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1131 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1132 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1133 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1134 #define ACPI_RESOURCE_NAME_GPIO                 0x8C
1135 #define ACPI_RESOURCE_NAME_PIN_FUNCTION         0x8D
1136 #define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1137 #define ACPI_RESOURCE_NAME_PIN_CONFIG           0x8F
1138 #define ACPI_RESOURCE_NAME_PIN_GROUP            0x90
1139 #define ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION   0x91
1140 #define ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG     0x92
1141 #define ACPI_RESOURCE_NAME_CLOCK_INPUT          0x93
1142 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x94
1143 
1144 /*****************************************************************************
1145  *
1146  * Miscellaneous
1147  *
1148  ****************************************************************************/
1149 
1150 #define ACPI_ASCII_ZERO                 0x30
1151 
1152 /*****************************************************************************
1153  *
1154  * Disassembler
1155  *
1156  ****************************************************************************/
1157 
1158 struct acpi_external_list {
1159 	char *path;
1160 	char *internal_path;
1161 	struct acpi_external_list *next;
1162 	u32 value;
1163 	u16 length;
1164 	u16 flags;
1165 	u8 type;
1166 };
1167 
1168 /* Values for Flags field above */
1169 
1170 #define ACPI_EXT_RESOLVED_REFERENCE         0x01	/* Object was resolved during cross ref */
1171 #define ACPI_EXT_ORIGIN_FROM_FILE           0x02	/* External came from a file */
1172 #define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04	/* Deallocate internal path on completion */
1173 #define ACPI_EXT_EXTERNAL_EMITTED           0x08	/* External() statement has been emitted */
1174 #define ACPI_EXT_ORIGIN_FROM_OPCODE         0x10	/* External came from a External() opcode */
1175 #define ACPI_EXT_CONFLICTING_DECLARATION    0x20	/* External has a conflicting declaration within AML */
1176 
1177 struct acpi_external_file {
1178 	char *path;
1179 	struct acpi_external_file *next;
1180 };
1181 
1182 struct acpi_parse_object_list {
1183 	union acpi_parse_object *op;
1184 	struct acpi_parse_object_list *next;
1185 };
1186 
1187 /*****************************************************************************
1188  *
1189  * Debugger
1190  *
1191  ****************************************************************************/
1192 
1193 struct acpi_db_method_info {
1194 	acpi_handle method;
1195 	acpi_handle main_thread_gate;
1196 	acpi_handle thread_complete_gate;
1197 	acpi_handle info_gate;
1198 	acpi_thread_id *threads;
1199 	u32 num_threads;
1200 	u32 num_created;
1201 	u32 num_completed;
1202 
1203 	char *name;
1204 	u32 flags;
1205 	u32 num_loops;
1206 	char pathname[ACPI_DB_LINE_BUFFER_SIZE];
1207 	char **args;
1208 	acpi_object_type *types;
1209 
1210 	/*
1211 	 * Arguments to be passed to method for the commands Threads and
1212 	 * Background. Note, ACPI specifies a maximum of 7 arguments (0 - 6).
1213 	 *
1214 	 * For the Threads command, the Number of threads, ID of current
1215 	 * thread and Index of current thread inside all them created.
1216 	 */
1217 	char init_args;
1218 #ifdef ACPI_DEBUGGER
1219 	acpi_object_type arg_types[ACPI_METHOD_NUM_ARGS];
1220 #endif
1221 	char *arguments[ACPI_METHOD_NUM_ARGS];
1222 	char num_threads_str[11];
1223 	char id_of_thread_str[11];
1224 	char index_of_thread_str[11];
1225 };
1226 
1227 struct acpi_integrity_info {
1228 	u32 nodes;
1229 	u32 objects;
1230 };
1231 
1232 #define ACPI_DB_DISABLE_OUTPUT          0x00
1233 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1234 #define ACPI_DB_CONSOLE_OUTPUT          0x02
1235 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
1236 
1237 struct acpi_object_info {
1238 	u32 types[ACPI_TOTAL_TYPES];
1239 };
1240 
1241 /*****************************************************************************
1242  *
1243  * Debug
1244  *
1245  ****************************************************************************/
1246 
1247 /* Entry for a memory allocation (debug only) */
1248 
1249 #define ACPI_MEM_MALLOC                 0
1250 #define ACPI_MEM_CALLOC                 1
1251 #define ACPI_MAX_MODULE_NAME            16
1252 
1253 #define ACPI_COMMON_DEBUG_MEM_HEADER \
1254 	struct acpi_debug_mem_block     *previous; \
1255 	struct acpi_debug_mem_block     *next; \
1256 	u32                             size; \
1257 	u32                             component; \
1258 	u32                             line; \
1259 	char                            module[ACPI_MAX_MODULE_NAME]; \
1260 	u8                              alloc_type;
1261 
1262 struct acpi_debug_mem_header {
1263 ACPI_COMMON_DEBUG_MEM_HEADER};
1264 
1265 struct acpi_debug_mem_block {
1266 	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1267 };
1268 
1269 #define ACPI_MEM_LIST_GLOBAL            0
1270 #define ACPI_MEM_LIST_NSNODE            1
1271 #define ACPI_MEM_LIST_MAX               1
1272 #define ACPI_NUM_MEM_LISTS              2
1273 
1274 /*****************************************************************************
1275  *
1276  * Info/help support
1277  *
1278  ****************************************************************************/
1279 
1280 struct ah_predefined_name {
1281 	char *name;
1282 	char *description;
1283 #ifndef ACPI_ASL_COMPILER
1284 	char *action;
1285 #endif
1286 };
1287 
1288 struct ah_device_id {
1289 	char *name;
1290 	char *description;
1291 };
1292 
1293 struct ah_uuid {
1294 	char *description;
1295 	char *string;
1296 };
1297 
1298 struct ah_table {
1299 	char *signature;
1300 	char *description;
1301 };
1302 
1303 #endif				/* __ACLOCAL_H__ */
1304