xref: /openbmc/linux/drivers/acpi/acpica/aclocal.h (revision a06c488d)
1 /******************************************************************************
2  *
3  * Name: aclocal.h - Internal data types used across the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 __ACLOCAL_H__
45 #define __ACLOCAL_H__
46 
47 /* acpisrc:struct_defs -- for acpisrc conversion */
48 
49 #define ACPI_SERIALIZED                 0xFF
50 
51 typedef u32 acpi_mutex_handle;
52 #define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
53 
54 /* Total number of aml opcodes defined */
55 
56 #define AML_NUM_OPCODES                 0x82
57 
58 /* Forward declarations */
59 
60 struct acpi_walk_state;
61 struct acpi_obj_mutex;
62 union acpi_parse_object;
63 
64 /*****************************************************************************
65  *
66  * Mutex typedefs and structs
67  *
68  ****************************************************************************/
69 
70 /*
71  * Predefined handles for the mutex objects used within the subsystem
72  * All mutex objects are automatically created by acpi_ut_mutex_initialize.
73  *
74  * The acquire/release ordering protocol is implied via this list. Mutexes
75  * with a lower value must be acquired before mutexes with a higher value.
76  *
77  * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
78  * table below also!
79  */
80 #define ACPI_MTX_INTERPRETER            0	/* AML Interpreter, main lock */
81 #define ACPI_MTX_NAMESPACE              1	/* ACPI Namespace */
82 #define ACPI_MTX_TABLES                 2	/* Data for ACPI tables */
83 #define ACPI_MTX_EVENTS                 3	/* Data for ACPI events */
84 #define ACPI_MTX_CACHES                 4	/* Internal caches, general purposes */
85 #define ACPI_MTX_MEMORY                 5	/* Debug memory tracking lists */
86 
87 #define ACPI_MAX_MUTEX                  5
88 #define ACPI_NUM_MUTEX                  ACPI_MAX_MUTEX+1
89 
90 /* Lock structure for reader/writer interfaces */
91 
92 struct acpi_rw_lock {
93 	acpi_mutex writer_mutex;
94 	acpi_mutex reader_mutex;
95 	u32 num_readers;
96 };
97 
98 /*
99  * Predefined handles for spinlocks used within the subsystem.
100  * These spinlocks are created by acpi_ut_mutex_initialize
101  */
102 #define ACPI_LOCK_GPES                  0
103 #define ACPI_LOCK_HARDWARE              1
104 
105 #define ACPI_MAX_LOCK                   1
106 #define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
107 
108 /* This Thread ID means that the mutex is not in use (unlocked) */
109 
110 #define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
111 
112 /* This Thread ID means an invalid thread ID */
113 
114 #ifdef ACPI_OS_INVALID_THREAD_ID
115 #define ACPI_INVALID_THREAD_ID          ACPI_OS_INVALID_THREAD_ID
116 #else
117 #define ACPI_INVALID_THREAD_ID          ((acpi_thread_id) 0xFFFFFFFF)
118 #endif
119 
120 /* Table for the global mutexes */
121 
122 struct acpi_mutex_info {
123 	acpi_mutex mutex;
124 	u32 use_count;
125 	acpi_thread_id thread_id;
126 };
127 
128 /* Lock flag parameter for various interfaces */
129 
130 #define ACPI_MTX_DO_NOT_LOCK            0
131 #define ACPI_MTX_LOCK                   1
132 
133 /* Field access granularities */
134 
135 #define ACPI_FIELD_BYTE_GRANULARITY     1
136 #define ACPI_FIELD_WORD_GRANULARITY     2
137 #define ACPI_FIELD_DWORD_GRANULARITY    4
138 #define ACPI_FIELD_QWORD_GRANULARITY    8
139 
140 #define ACPI_ENTRY_NOT_FOUND            NULL
141 
142 /*****************************************************************************
143  *
144  * Namespace typedefs and structs
145  *
146  ****************************************************************************/
147 
148 /* Operational modes of the AML interpreter/scanner */
149 
150 typedef enum {
151 	ACPI_IMODE_LOAD_PASS1 = 0x01,
152 	ACPI_IMODE_LOAD_PASS2 = 0x02,
153 	ACPI_IMODE_EXECUTE = 0x03
154 } acpi_interpreter_mode;
155 
156 /*
157  * The Namespace Node describes a named object that appears in the AML.
158  * descriptor_type is used to differentiate between internal descriptors.
159  *
160  * The node is optimized for both 32-bit and 64-bit platforms:
161  * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
162  *
163  * Note: The descriptor_type and Type fields must appear in the identical
164  * position in both the struct acpi_namespace_node and union acpi_operand_object
165  * structures.
166  */
167 struct acpi_namespace_node {
168 	union acpi_operand_object *object;	/* Interpreter object */
169 	u8 descriptor_type;	/* Differentiate object descriptor types */
170 	u8 type;		/* ACPI Type associated with this name */
171 	u8 flags;		/* Miscellaneous flags */
172 	acpi_owner_id owner_id;	/* Node creator */
173 	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
174 	struct acpi_namespace_node *parent;	/* Parent node */
175 	struct acpi_namespace_node *child;	/* First child */
176 	struct acpi_namespace_node *peer;	/* First peer */
177 
178 	/*
179 	 * The following fields are used by the ASL compiler and disassembler only
180 	 */
181 #ifdef ACPI_LARGE_NAMESPACE_NODE
182 	union acpi_parse_object *op;
183 	void *method_locals;
184 	void *method_args;
185 	u32 value;
186 	u32 length;
187 	u8 arg_count;
188 
189 #endif
190 };
191 
192 /* Namespace Node flags */
193 
194 #define ANOBJ_RESERVED                  0x01	/* Available for use */
195 #define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
196 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
197 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
198 #define ANOBJ_SUBTREE_HAS_INI           0x10	/* Used to optimize device initialization */
199 #define ANOBJ_EVALUATED                 0x20	/* Set on first evaluation of node */
200 #define ANOBJ_ALLOCATED_BUFFER          0x40	/* Method AML buffer is dynamic (install_method) */
201 
202 #define ANOBJ_IS_EXTERNAL               0x08	/* iASL only: This object created via External() */
203 #define ANOBJ_METHOD_NO_RETVAL          0x10	/* iASL only: Method has no return value */
204 #define ANOBJ_METHOD_SOME_NO_RETVAL     0x20	/* iASL only: Method has at least one return value */
205 #define ANOBJ_IS_REFERENCED             0x80	/* iASL only: Object was referenced */
206 
207 /* Internal ACPI table management - master table list */
208 
209 struct acpi_table_list {
210 	struct acpi_table_desc *tables;	/* Table descriptor array */
211 	u32 current_table_count;	/* Tables currently in the array */
212 	u32 max_table_count;	/* Max tables array will hold */
213 	u8 flags;
214 };
215 
216 /* Flags for above */
217 
218 #define ACPI_ROOT_ORIGIN_UNKNOWN        (0)	/* ~ORIGIN_ALLOCATED */
219 #define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
220 #define ACPI_ROOT_ALLOW_RESIZE          (2)
221 
222 /* List to manage incoming ACPI tables */
223 
224 struct acpi_new_table_desc {
225 	struct acpi_table_header *table;
226 	struct acpi_new_table_desc *next;
227 };
228 
229 /* Predefined table indexes */
230 
231 #define ACPI_INVALID_TABLE_INDEX        (0xFFFFFFFF)
232 
233 struct acpi_find_context {
234 	char *search_for;
235 	acpi_handle *list;
236 	u32 *count;
237 };
238 
239 struct acpi_ns_search_data {
240 	struct acpi_namespace_node *node;
241 };
242 
243 /* Object types used during package copies */
244 
245 #define ACPI_COPY_TYPE_SIMPLE           0
246 #define ACPI_COPY_TYPE_PACKAGE          1
247 
248 /* Info structure used to convert external<->internal namestrings */
249 
250 struct acpi_namestring_info {
251 	const char *external_name;
252 	const char *next_external_char;
253 	char *internal_name;
254 	u32 length;
255 	u32 num_segments;
256 	u32 num_carats;
257 	u8 fully_qualified;
258 };
259 
260 /* Field creation info */
261 
262 struct acpi_create_field_info {
263 	struct acpi_namespace_node *region_node;
264 	struct acpi_namespace_node *field_node;
265 	struct acpi_namespace_node *register_node;
266 	struct acpi_namespace_node *data_register_node;
267 	struct acpi_namespace_node *connection_node;
268 	u8 *resource_buffer;
269 	u32 bank_value;
270 	u32 field_bit_position;
271 	u32 field_bit_length;
272 	u16 resource_length;
273 	u16 pin_number_index;
274 	u8 field_flags;
275 	u8 attribute;
276 	u8 field_type;
277 	u8 access_length;
278 };
279 
280 typedef
281 acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state);
282 
283 /*
284  * Bitmapped ACPI types. Used internally only
285  */
286 #define ACPI_BTYPE_ANY                  0x00000000
287 #define ACPI_BTYPE_INTEGER              0x00000001
288 #define ACPI_BTYPE_STRING               0x00000002
289 #define ACPI_BTYPE_BUFFER               0x00000004
290 #define ACPI_BTYPE_PACKAGE              0x00000008
291 #define ACPI_BTYPE_FIELD_UNIT           0x00000010
292 #define ACPI_BTYPE_DEVICE               0x00000020
293 #define ACPI_BTYPE_EVENT                0x00000040
294 #define ACPI_BTYPE_METHOD               0x00000080
295 #define ACPI_BTYPE_MUTEX                0x00000100
296 #define ACPI_BTYPE_REGION               0x00000200
297 #define ACPI_BTYPE_POWER                0x00000400
298 #define ACPI_BTYPE_PROCESSOR            0x00000800
299 #define ACPI_BTYPE_THERMAL              0x00001000
300 #define ACPI_BTYPE_BUFFER_FIELD         0x00002000
301 #define ACPI_BTYPE_DDB_HANDLE           0x00004000
302 #define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
303 #define ACPI_BTYPE_REFERENCE_OBJECT     0x00010000	/* From Index(), ref_of(), etc (type6_opcodes) */
304 #define ACPI_BTYPE_RESOURCE             0x00020000
305 #define ACPI_BTYPE_NAMED_REFERENCE      0x00040000	/* Generic unresolved Name or Namepath */
306 
307 #define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
308 
309 #define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
310 
311 	/* Used by Copy, de_ref_of, Store, Printf, Fprintf */
312 
313 #define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE_OBJECT | ACPI_BTYPE_DDB_HANDLE)
314 #define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
315 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
316 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
317 
318 #pragma pack(1)
319 
320 /*
321  * Information structure for ACPI predefined names.
322  * Each entry in the table contains the following items:
323  *
324  * name                 - The ACPI reserved name
325  * param_count          - Number of arguments to the method
326  * expected_return_btypes - Allowed type(s) for the return value
327  */
328 struct acpi_name_info {
329 	char name[ACPI_NAME_SIZE];
330 	u16 argument_list;
331 	u8 expected_btypes;
332 };
333 
334 /*
335  * Secondary information structures for ACPI predefined objects that return
336  * package objects. This structure appears as the next entry in the table
337  * after the NAME_INFO structure above.
338  *
339  * The reason for this is to minimize the size of the predefined name table.
340  */
341 
342 /*
343  * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
344  * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT,
345  * ACPI_PTYPE2_FIX_VAR
346  */
347 struct acpi_package_info {
348 	u8 type;
349 	u8 object_type1;
350 	u8 count1;
351 	u8 object_type2;
352 	u8 count2;
353 	u16 reserved;
354 };
355 
356 /* Used for ACPI_PTYPE2_FIXED */
357 
358 struct acpi_package_info2 {
359 	u8 type;
360 	u8 count;
361 	u8 object_type[4];
362 	u8 reserved;
363 };
364 
365 /* Used for ACPI_PTYPE1_OPTION */
366 
367 struct acpi_package_info3 {
368 	u8 type;
369 	u8 count;
370 	u8 object_type[2];
371 	u8 tail_object_type;
372 	u16 reserved;
373 };
374 
375 struct acpi_package_info4 {
376 	u8 type;
377 	u8 object_type1;
378 	u8 count1;
379 	u8 sub_object_types;
380 	u8 pkg_count;
381 	u16 reserved;
382 };
383 
384 union acpi_predefined_info {
385 	struct acpi_name_info info;
386 	struct acpi_package_info ret_info;
387 	struct acpi_package_info2 ret_info2;
388 	struct acpi_package_info3 ret_info3;
389 	struct acpi_package_info4 ret_info4;
390 };
391 
392 /* Reset to default packing */
393 
394 #pragma pack()
395 
396 /* Return object auto-repair info */
397 
398 typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope,
399 					     union acpi_operand_object
400 					     *original_object,
401 					     union acpi_operand_object
402 					     **converted_object);
403 
404 struct acpi_simple_repair_info {
405 	char name[ACPI_NAME_SIZE];
406 	u32 unexpected_btypes;
407 	u32 package_index;
408 	acpi_object_converter object_converter;
409 };
410 
411 /*
412  * Bitmapped return value types
413  * Note: the actual data types must be contiguous, a loop in nspredef.c
414  * depends on this.
415  */
416 #define ACPI_RTYPE_ANY                  0x00
417 #define ACPI_RTYPE_NONE                 0x01
418 #define ACPI_RTYPE_INTEGER              0x02
419 #define ACPI_RTYPE_STRING               0x04
420 #define ACPI_RTYPE_BUFFER               0x08
421 #define ACPI_RTYPE_PACKAGE              0x10
422 #define ACPI_RTYPE_REFERENCE            0x20
423 #define ACPI_RTYPE_ALL                  0x3F
424 
425 #define ACPI_NUM_RTYPES                 5	/* Number of actual object types */
426 
427 /* Info for running the _REG methods */
428 
429 struct acpi_reg_walk_info {
430 	acpi_adr_space_type space_id;
431 	u32 function;
432 	u32 reg_run_count;
433 };
434 
435 /*****************************************************************************
436  *
437  * Event typedefs and structs
438  *
439  ****************************************************************************/
440 
441 /* Dispatch info for each host-installed SCI handler */
442 
443 struct acpi_sci_handler_info {
444 	struct acpi_sci_handler_info *next;
445 	acpi_sci_handler address;	/* Address of handler */
446 	void *context;		/* Context to be passed to handler */
447 };
448 
449 /* Dispatch info for each GPE -- either a method or handler, cannot be both */
450 
451 struct acpi_gpe_handler_info {
452 	acpi_gpe_handler address;	/* Address of handler, if any */
453 	void *context;		/* Context to be passed to handler */
454 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level (saved) */
455 	u8 original_flags;	/* Original (pre-handler) GPE info */
456 	u8 originally_enabled;	/* True if GPE was originally enabled */
457 };
458 
459 /* Notify info for implicit notify, multiple device objects */
460 
461 struct acpi_gpe_notify_info {
462 	struct acpi_namespace_node *device_node;	/* Device to be notified */
463 	struct acpi_gpe_notify_info *next;
464 };
465 
466 /*
467  * GPE dispatch info. At any time, the GPE can have at most one type
468  * of dispatch - Method, Handler, or Implicit Notify.
469  */
470 union acpi_gpe_dispatch_info {
471 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level */
472 	struct acpi_gpe_handler_info *handler;  /* Installed GPE handler */
473 	struct acpi_gpe_notify_info *notify_list;	/* List of _PRW devices for implicit notifies */
474 };
475 
476 /*
477  * Information about a GPE, one per each GPE in an array.
478  * NOTE: Important to keep this struct as small as possible.
479  */
480 struct acpi_gpe_event_info {
481 	union acpi_gpe_dispatch_info dispatch;	/* Either Method, Handler, or notify_list */
482 	struct acpi_gpe_register_info *register_info;	/* Backpointer to register info */
483 	u8 flags;		/* Misc info about this GPE */
484 	u8 gpe_number;		/* This GPE */
485 	u8 runtime_count;	/* References to a run GPE */
486 };
487 
488 /* Information about a GPE register pair, one per each status/enable pair in an array */
489 
490 struct acpi_gpe_register_info {
491 	struct acpi_generic_address status_address;	/* Address of status reg */
492 	struct acpi_generic_address enable_address;	/* Address of enable reg */
493 	u16 base_gpe_number;	/* Base GPE number for this register */
494 	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
495 	u8 enable_for_run;	/* GPEs to keep enabled when running */
496 	u8 enable_mask;		/* Current mask of enabled GPEs */
497 };
498 
499 /*
500  * Information about a GPE register block, one per each installed block --
501  * GPE0, GPE1, and one per each installed GPE Block Device.
502  */
503 struct acpi_gpe_block_info {
504 	struct acpi_namespace_node *node;
505 	struct acpi_gpe_block_info *previous;
506 	struct acpi_gpe_block_info *next;
507 	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
508 	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
509 	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
510 	u64 address;		/* Base address of the block */
511 	u32 register_count;	/* Number of register pairs in block */
512 	u16 gpe_count;		/* Number of individual GPEs in block */
513 	u16 block_base_number;	/* Base GPE number for this block */
514 	u8 space_id;
515 	u8 initialized;		/* TRUE if this block is initialized */
516 };
517 
518 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
519 
520 struct acpi_gpe_xrupt_info {
521 	struct acpi_gpe_xrupt_info *previous;
522 	struct acpi_gpe_xrupt_info *next;
523 	struct acpi_gpe_block_info *gpe_block_list_head;	/* List of GPE blocks for this xrupt */
524 	u32 interrupt_number;	/* System interrupt number */
525 };
526 
527 struct acpi_gpe_walk_info {
528 	struct acpi_namespace_node *gpe_device;
529 	struct acpi_gpe_block_info *gpe_block;
530 	u16 count;
531 	acpi_owner_id owner_id;
532 	u8 execute_by_owner_id;
533 };
534 
535 struct acpi_gpe_device_info {
536 	u32 index;
537 	u32 next_block_base_index;
538 	acpi_status status;
539 	struct acpi_namespace_node *gpe_device;
540 };
541 
542 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *
543 					 gpe_xrupt_info,
544 					 struct acpi_gpe_block_info *gpe_block,
545 					 void *context);
546 
547 /* Information about each particular fixed event */
548 
549 struct acpi_fixed_event_handler {
550 	acpi_event_handler handler;	/* Address of handler. */
551 	void *context;		/* Context to be passed to handler */
552 };
553 
554 struct acpi_fixed_event_info {
555 	u8 status_register_id;
556 	u8 enable_register_id;
557 	u16 status_bit_mask;
558 	u16 enable_bit_mask;
559 };
560 
561 /* Information used during field processing */
562 
563 struct acpi_field_info {
564 	u8 skip_field;
565 	u8 field_flag;
566 	u32 pkg_length;
567 };
568 
569 /*****************************************************************************
570  *
571  * Generic "state" object for stacks
572  *
573  ****************************************************************************/
574 
575 #define ACPI_CONTROL_NORMAL                  0xC0
576 #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
577 #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
578 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
579 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
580 
581 #define ACPI_STATE_COMMON \
582 	void                            *next; \
583 	u8                              descriptor_type; /* To differentiate various internal objs */\
584 	u8                              flags; \
585 	u16                             value; \
586 	u16                             state;
587 
588 	/* There are 2 bytes available here until the next natural alignment boundary */
589 
590 struct acpi_common_state {
591 ACPI_STATE_COMMON};
592 
593 /*
594  * Update state - used to traverse complex objects such as packages
595  */
596 struct acpi_update_state {
597 	ACPI_STATE_COMMON union acpi_operand_object *object;
598 };
599 
600 /*
601  * Pkg state - used to traverse nested package structures
602  */
603 struct acpi_pkg_state {
604 	ACPI_STATE_COMMON u16 index;
605 	union acpi_operand_object *source_object;
606 	union acpi_operand_object *dest_object;
607 	struct acpi_walk_state *walk_state;
608 	void *this_target_obj;
609 	u32 num_packages;
610 };
611 
612 /*
613  * Control state - one per if/else and while constructs.
614  * Allows nesting of these constructs
615  */
616 struct acpi_control_state {
617 	ACPI_STATE_COMMON u16 opcode;
618 	union acpi_parse_object *predicate_op;
619 	u8 *aml_predicate_start;	/* Start of if/while predicate */
620 	u8 *package_end;	/* End of if/while block */
621 	u32 loop_count;		/* While() loop counter */
622 };
623 
624 /*
625  * Scope state - current scope during namespace lookups
626  */
627 struct acpi_scope_state {
628 	ACPI_STATE_COMMON struct acpi_namespace_node *node;
629 };
630 
631 struct acpi_pscope_state {
632 	ACPI_STATE_COMMON u32 arg_count;	/* Number of fixed arguments */
633 	union acpi_parse_object *op;	/* Current op being parsed */
634 	u8 *arg_end;		/* Current argument end */
635 	u8 *pkg_end;		/* Current package end */
636 	u32 arg_list;		/* Next argument to parse */
637 };
638 
639 /*
640  * Thread state - one per thread across multiple walk states. Multiple walk
641  * states are created when there are nested control methods executing.
642  */
643 struct acpi_thread_state {
644 	ACPI_STATE_COMMON u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
645 	struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
646 	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
647 	acpi_thread_id thread_id;	/* Running thread ID */
648 };
649 
650 /*
651  * Result values - used to accumulate the results of nested
652  * AML arguments
653  */
654 struct acpi_result_values {
655 	ACPI_STATE_COMMON
656 	    union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
657 };
658 
659 typedef
660 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
661 				    union acpi_parse_object ** out_op);
662 
663 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
664 
665 /* Global handlers for AML Notifies */
666 
667 struct acpi_global_notify_handler {
668 	acpi_notify_handler handler;
669 	void *context;
670 };
671 
672 /*
673  * Notify info - used to pass info to the deferred notify
674  * handler/dispatcher.
675  */
676 struct acpi_notify_info {
677 	ACPI_STATE_COMMON u8 handler_list_id;
678 	struct acpi_namespace_node *node;
679 	union acpi_operand_object *handler_list_head;
680 	struct acpi_global_notify_handler *global;
681 };
682 
683 /* Generic state is union of structs above */
684 
685 union acpi_generic_state {
686 	struct acpi_common_state common;
687 	struct acpi_control_state control;
688 	struct acpi_update_state update;
689 	struct acpi_scope_state scope;
690 	struct acpi_pscope_state parse_scope;
691 	struct acpi_pkg_state pkg;
692 	struct acpi_thread_state thread;
693 	struct acpi_result_values results;
694 	struct acpi_notify_info notify;
695 };
696 
697 /*****************************************************************************
698  *
699  * Interpreter typedefs and structs
700  *
701  ****************************************************************************/
702 
703 typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state);
704 
705 /* Address Range info block */
706 
707 struct acpi_address_range {
708 	struct acpi_address_range *next;
709 	struct acpi_namespace_node *region_node;
710 	acpi_physical_address start_address;
711 	acpi_physical_address end_address;
712 };
713 
714 /*****************************************************************************
715  *
716  * Parser typedefs and structs
717  *
718  ****************************************************************************/
719 
720 /*
721  * AML opcode, name, and argument layout
722  */
723 struct acpi_opcode_info {
724 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
725 	char *name;		/* Opcode name (disassembler/debug only) */
726 #endif
727 	u32 parse_args;		/* Grammar/Parse time arguments */
728 	u32 runtime_args;	/* Interpret time arguments */
729 	u16 flags;		/* Misc flags */
730 	u8 object_type;		/* Corresponding internal object type */
731 	u8 class;		/* Opcode class */
732 	u8 type;		/* Opcode type */
733 };
734 
735 /* Value associated with the parse object */
736 
737 union acpi_parse_value {
738 	u64 integer;		/* Integer constant (Up to 64 bits) */
739 	u32 size;		/* bytelist or field size */
740 	char *string;		/* NULL terminated string */
741 	u8 *buffer;		/* buffer or string */
742 	char *name;		/* NULL terminated string */
743 	union acpi_parse_object *arg;	/* arguments and contained ops */
744 };
745 
746 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
747 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
748 #else
749 #define ACPI_DISASM_ONLY_MEMBERS(a)
750 #endif
751 
752 #define ACPI_PARSE_COMMON \
753 	union acpi_parse_object         *parent;        /* Parent op */\
754 	u8                              descriptor_type; /* To differentiate various internal objs */\
755 	u8                              flags;          /* Type of Op */\
756 	u16                             aml_opcode;     /* AML opcode */\
757 	u8                              *aml;           /* Address of declaration in AML */\
758 	union acpi_parse_object         *next;          /* Next op */\
759 	struct acpi_namespace_node      *node;          /* For use by interpreter */\
760 	union acpi_parse_value          value;          /* Value or args associated with the opcode */\
761 	u8                              arg_list_length; /* Number of elements in the arg list */\
762 	ACPI_DISASM_ONLY_MEMBERS (\
763 	u8                              disasm_flags;   /* Used during AML disassembly */\
764 	u8                              disasm_opcode;  /* Subtype used for disassembly */\
765 	char                            *operator_symbol;/* Used for C-style operator name strings */\
766 	char                            aml_op_name[16])	/* Op name (debug only) */
767 
768 /* Flags for disasm_flags field above */
769 
770 #define ACPI_DASM_BUFFER                0x00	/* Buffer is a simple data buffer */
771 #define ACPI_DASM_RESOURCE              0x01	/* Buffer is a Resource Descriptor */
772 #define ACPI_DASM_STRING                0x02	/* Buffer is a ASCII string */
773 #define ACPI_DASM_UNICODE               0x03	/* Buffer is a Unicode string */
774 #define ACPI_DASM_PLD_METHOD            0x04	/* Buffer is a _PLD method bit-packed buffer */
775 #define ACPI_DASM_UUID                  0x05	/* Buffer is a UUID/GUID */
776 #define ACPI_DASM_EISAID                0x06	/* Integer is an EISAID */
777 #define ACPI_DASM_MATCHOP               0x07	/* Parent opcode is a Match() operator */
778 #define ACPI_DASM_LNOT_PREFIX           0x08	/* Start of a Lnot_equal (etc.) pair of opcodes */
779 #define ACPI_DASM_LNOT_SUFFIX           0x09	/* End  of a Lnot_equal (etc.) pair of opcodes */
780 #define ACPI_DASM_HID_STRING            0x0A	/* String is a _HID or _CID */
781 #define ACPI_DASM_IGNORE                0x0B	/* Not used at this time */
782 
783 /*
784  * Generic operation (for example:  If, While, Store)
785  */
786 struct acpi_parse_obj_common {
787 ACPI_PARSE_COMMON};
788 
789 /*
790  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
791  * and bytelists.
792  */
793 struct acpi_parse_obj_named {
794 	ACPI_PARSE_COMMON u8 *path;
795 	u8 *data;		/* AML body or bytelist data */
796 	u32 length;		/* AML length */
797 	u32 name;		/* 4-byte name or zero if no name */
798 };
799 
800 /* This version is used by the iASL compiler only */
801 
802 #define ACPI_MAX_PARSEOP_NAME   20
803 
804 struct acpi_parse_obj_asl {
805 	ACPI_PARSE_COMMON union acpi_parse_object *child;
806 	union acpi_parse_object *parent_method;
807 	char *filename;
808 	char *external_name;
809 	char *namepath;
810 	char name_seg[4];
811 	u32 extra_value;
812 	u32 column;
813 	u32 line_number;
814 	u32 logical_line_number;
815 	u32 logical_byte_offset;
816 	u32 end_line;
817 	u32 end_logical_line;
818 	u32 acpi_btype;
819 	u32 aml_length;
820 	u32 aml_subtree_length;
821 	u32 final_aml_length;
822 	u32 final_aml_offset;
823 	u32 compile_flags;
824 	u16 parse_opcode;
825 	u8 aml_opcode_length;
826 	u8 aml_pkg_len_bytes;
827 	u8 extra;
828 	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
829 };
830 
831 union acpi_parse_object {
832 	struct acpi_parse_obj_common common;
833 	struct acpi_parse_obj_named named;
834 	struct acpi_parse_obj_asl asl;
835 };
836 
837 /*
838  * Parse state - one state per parser invocation and each control
839  * method.
840  */
841 struct acpi_parse_state {
842 	u8 *aml_start;		/* First AML byte */
843 	u8 *aml;		/* Next AML byte */
844 	u8 *aml_end;		/* (last + 1) AML byte */
845 	u8 *pkg_start;		/* Current package begin */
846 	u8 *pkg_end;		/* Current package end */
847 	union acpi_parse_object *start_op;	/* Root of parse tree */
848 	struct acpi_namespace_node *start_node;
849 	union acpi_generic_state *scope;	/* Current scope */
850 	union acpi_parse_object *start_scope;
851 	u32 aml_size;
852 };
853 
854 /* Parse object flags */
855 
856 #define ACPI_PARSEOP_GENERIC            0x01
857 #define ACPI_PARSEOP_NAMED              0x02
858 #define ACPI_PARSEOP_DEFERRED           0x04
859 #define ACPI_PARSEOP_BYTELIST           0x08
860 #define ACPI_PARSEOP_IN_STACK           0x10
861 #define ACPI_PARSEOP_TARGET             0x20
862 #define ACPI_PARSEOP_IN_CACHE           0x80
863 
864 /* Parse object disasm_flags */
865 
866 #define ACPI_PARSEOP_IGNORE             0x01
867 #define ACPI_PARSEOP_PARAMLIST          0x02
868 #define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
869 #define ACPI_PARSEOP_PREDEF_CHECKED     0x08
870 #define ACPI_PARSEOP_CLOSING_PAREN      0x10
871 #define ACPI_PARSEOP_COMPOUND           0x20
872 #define ACPI_PARSEOP_ASSIGNMENT         0x40
873 #define ACPI_PARSEOP_ELSEIF             0x80
874 
875 /*****************************************************************************
876  *
877  * Hardware (ACPI registers) and PNP
878  *
879  ****************************************************************************/
880 
881 struct acpi_bit_register_info {
882 	u8 parent_register;
883 	u8 bit_position;
884 	u16 access_bit_mask;
885 };
886 
887 /*
888  * Some ACPI registers have bits that must be ignored -- meaning that they
889  * must be preserved.
890  */
891 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800	/* Bit 11 */
892 
893 /* Write-only bits must be zeroed by software */
894 
895 #define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004	/* Bits 13, 2 */
896 
897 /* For control registers, both ignored and reserved bits must be preserved */
898 
899 /*
900  * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
901  * ACPI specification to be a "preserved" bit - "OSPM always preserves this
902  * bit position", section 4.7.3.2.1. However, on some machines the OS must
903  * write a one to this bit after resume for the machine to work properly.
904  * To enable this, we no longer attempt to preserve this bit. No machines
905  * are known to fail if the bit is not preserved. (May 2009)
906  */
907 #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200	/* Bit 9 */
908 #define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8	/* Bits 14-15, 3-8 */
909 #define ACPI_PM1_CONTROL_PRESERVED_BITS \
910 	       (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
911 
912 #define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE	/* All except bit 0 */
913 
914 /*
915  * Register IDs
916  * These are the full ACPI registers
917  */
918 #define ACPI_REGISTER_PM1_STATUS                0x01
919 #define ACPI_REGISTER_PM1_ENABLE                0x02
920 #define ACPI_REGISTER_PM1_CONTROL               0x03
921 #define ACPI_REGISTER_PM2_CONTROL               0x04
922 #define ACPI_REGISTER_PM_TIMER                  0x05
923 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
924 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
925 
926 /* Masks used to access the bit_registers */
927 
928 #define ACPI_BITMASK_TIMER_STATUS               0x0001
929 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
930 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
931 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
932 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
933 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
934 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
935 #define ACPI_BITMASK_WAKE_STATUS                0x8000
936 
937 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
938 	ACPI_BITMASK_TIMER_STATUS          | \
939 	ACPI_BITMASK_BUS_MASTER_STATUS     | \
940 	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
941 	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
942 	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
943 	ACPI_BITMASK_RT_CLOCK_STATUS       | \
944 	ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
945 	ACPI_BITMASK_WAKE_STATUS)
946 
947 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
948 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
949 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
950 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
951 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
952 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
953 
954 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
955 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
956 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
957 #define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
958 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
959 
960 #define ACPI_BITMASK_ARB_DISABLE                0x0001
961 
962 /* Raw bit position of each bit_register */
963 
964 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
965 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
966 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
967 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
968 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
969 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
970 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
971 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
972 
973 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
974 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
975 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
976 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
977 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
978 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */
979 
980 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
981 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
982 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
983 #define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
984 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
985 
986 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
987 
988 /* Structs and definitions for _OSI support and I/O port validation */
989 
990 #define ACPI_ALWAYS_ILLEGAL             0x00
991 
992 struct acpi_interface_info {
993 	char *name;
994 	struct acpi_interface_info *next;
995 	u8 flags;
996 	u8 value;
997 };
998 
999 #define ACPI_OSI_INVALID                0x01
1000 #define ACPI_OSI_DYNAMIC                0x02
1001 #define ACPI_OSI_FEATURE                0x04
1002 #define ACPI_OSI_DEFAULT_INVALID        0x08
1003 #define ACPI_OSI_OPTIONAL_FEATURE       (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
1004 
1005 struct acpi_port_info {
1006 	char *name;
1007 	u16 start;
1008 	u16 end;
1009 	u8 osi_dependency;
1010 };
1011 
1012 /*****************************************************************************
1013  *
1014  * Resource descriptors
1015  *
1016  ****************************************************************************/
1017 
1018 /* resource_type values */
1019 
1020 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
1021 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
1022 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
1023 
1024 /* Resource descriptor types and masks */
1025 
1026 #define ACPI_RESOURCE_NAME_LARGE                0x80
1027 #define ACPI_RESOURCE_NAME_SMALL                0x00
1028 
1029 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
1030 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
1031 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */
1032 
1033 /*
1034  * Small resource descriptor "names" as defined by the ACPI specification.
1035  * Note: Bits 2:0 are used for the descriptor length
1036  */
1037 #define ACPI_RESOURCE_NAME_IRQ                  0x20
1038 #define ACPI_RESOURCE_NAME_DMA                  0x28
1039 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
1040 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
1041 #define ACPI_RESOURCE_NAME_IO                   0x40
1042 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
1043 #define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
1044 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
1045 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
1046 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
1047 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
1048 #define ACPI_RESOURCE_NAME_END_TAG              0x78
1049 
1050 /*
1051  * Large resource descriptor "names" as defined by the ACPI specification.
1052  * Note: includes the Large Descriptor bit in bit[7]
1053  */
1054 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
1055 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
1056 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
1057 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1058 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
1059 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1060 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1061 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1062 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1063 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1064 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1065 #define ACPI_RESOURCE_NAME_GPIO                 0x8C
1066 #define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1067 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x8E
1068 
1069 /*****************************************************************************
1070  *
1071  * Miscellaneous
1072  *
1073  ****************************************************************************/
1074 
1075 #define ACPI_ASCII_ZERO                 0x30
1076 
1077 /*****************************************************************************
1078  *
1079  * Disassembler
1080  *
1081  ****************************************************************************/
1082 
1083 struct acpi_external_list {
1084 	char *path;
1085 	char *internal_path;
1086 	struct acpi_external_list *next;
1087 	u32 value;
1088 	u16 length;
1089 	u16 flags;
1090 	u8 type;
1091 };
1092 
1093 /* Values for Flags field above */
1094 
1095 #define ACPI_EXT_RESOLVED_REFERENCE         0x01	/* Object was resolved during cross ref */
1096 #define ACPI_EXT_ORIGIN_FROM_FILE           0x02	/* External came from a file */
1097 #define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04	/* Deallocate internal path on completion */
1098 #define ACPI_EXT_EXTERNAL_EMITTED           0x08	/* External() statement has been emitted */
1099 
1100 struct acpi_external_file {
1101 	char *path;
1102 	struct acpi_external_file *next;
1103 };
1104 
1105 /*****************************************************************************
1106  *
1107  * Debugger
1108  *
1109  ****************************************************************************/
1110 
1111 struct acpi_db_method_info {
1112 	acpi_handle method;
1113 	acpi_handle main_thread_gate;
1114 	acpi_handle thread_complete_gate;
1115 	acpi_handle info_gate;
1116 	acpi_thread_id *threads;
1117 	u32 num_threads;
1118 	u32 num_created;
1119 	u32 num_completed;
1120 
1121 	char *name;
1122 	u32 flags;
1123 	u32 num_loops;
1124 	char pathname[ACPI_DB_LINE_BUFFER_SIZE];
1125 	char **args;
1126 	acpi_object_type *types;
1127 
1128 	/*
1129 	 * Arguments to be passed to method for the command
1130 	 * Threads -
1131 	 *   the Number of threads, ID of current thread and
1132 	 *   Index of current thread inside all them created.
1133 	 */
1134 	char init_args;
1135 #ifdef ACPI_DEBUGGER
1136 	acpi_object_type arg_types[4];
1137 #endif
1138 	char *arguments[4];
1139 	char num_threads_str[11];
1140 	char id_of_thread_str[11];
1141 	char index_of_thread_str[11];
1142 };
1143 
1144 struct acpi_integrity_info {
1145 	u32 nodes;
1146 	u32 objects;
1147 };
1148 
1149 #define ACPI_DB_DISABLE_OUTPUT          0x00
1150 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1151 #define ACPI_DB_CONSOLE_OUTPUT          0x02
1152 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
1153 
1154 struct acpi_object_info {
1155 	u32 types[ACPI_TOTAL_TYPES];
1156 };
1157 
1158 /*****************************************************************************
1159  *
1160  * Debug
1161  *
1162  ****************************************************************************/
1163 
1164 /* Entry for a memory allocation (debug only) */
1165 
1166 #define ACPI_MEM_MALLOC                 0
1167 #define ACPI_MEM_CALLOC                 1
1168 #define ACPI_MAX_MODULE_NAME            16
1169 
1170 #define ACPI_COMMON_DEBUG_MEM_HEADER \
1171 	struct acpi_debug_mem_block     *previous; \
1172 	struct acpi_debug_mem_block     *next; \
1173 	u32                             size; \
1174 	u32                             component; \
1175 	u32                             line; \
1176 	char                            module[ACPI_MAX_MODULE_NAME]; \
1177 	u8                              alloc_type;
1178 
1179 struct acpi_debug_mem_header {
1180 ACPI_COMMON_DEBUG_MEM_HEADER};
1181 
1182 struct acpi_debug_mem_block {
1183 	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1184 };
1185 
1186 #define ACPI_MEM_LIST_GLOBAL            0
1187 #define ACPI_MEM_LIST_NSNODE            1
1188 #define ACPI_MEM_LIST_MAX               1
1189 #define ACPI_NUM_MEM_LISTS              2
1190 
1191 /*****************************************************************************
1192  *
1193  * Info/help support
1194  *
1195  ****************************************************************************/
1196 
1197 struct ah_predefined_name {
1198 	char *name;
1199 	char *description;
1200 #ifndef ACPI_ASL_COMPILER
1201 	char *action;
1202 #endif
1203 };
1204 
1205 struct ah_device_id {
1206 	char *name;
1207 	char *description;
1208 };
1209 
1210 struct ah_uuid {
1211 	char *description;
1212 	char *string;
1213 };
1214 
1215 struct ah_table {
1216 	char *signature;
1217 	char *description;
1218 };
1219 
1220 #endif				/* __ACLOCAL_H__ */
1221