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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 - 2021, 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  /*****************************************************************************
547   *
548   * Generic "state" object for stacks
549   *
550   ****************************************************************************/
551  
552  #define ACPI_CONTROL_NORMAL                  0xC0
553  #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
554  #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
555  #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
556  #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
557  
558  #define ACPI_STATE_COMMON \
559  	void                            *next; \
560  	u8                              descriptor_type; /* To differentiate various internal objs */\
561  	u8                              flags; \
562  	u16                             value; \
563  	u16                             state;
564  
565  	/* There are 2 bytes available here until the next natural alignment boundary */
566  
567  struct acpi_common_state {
568  ACPI_STATE_COMMON};
569  
570  /*
571   * Update state - used to traverse complex objects such as packages
572   */
573  struct acpi_update_state {
574  	ACPI_STATE_COMMON union acpi_operand_object *object;
575  };
576  
577  /*
578   * Pkg state - used to traverse nested package structures
579   */
580  struct acpi_pkg_state {
581  	ACPI_STATE_COMMON u32 index;
582  	union acpi_operand_object *source_object;
583  	union acpi_operand_object *dest_object;
584  	struct acpi_walk_state *walk_state;
585  	void *this_target_obj;
586  	u32 num_packages;
587  };
588  
589  /*
590   * Control state - one per if/else and while constructs.
591   * Allows nesting of these constructs
592   */
593  struct acpi_control_state {
594  	ACPI_STATE_COMMON u16 opcode;
595  	union acpi_parse_object *predicate_op;
596  	u8 *aml_predicate_start;	/* Start of if/while predicate */
597  	u8 *package_end;	/* End of if/while block */
598  	u64 loop_timeout;	/* While() loop timeout */
599  };
600  
601  /*
602   * Scope state - current scope during namespace lookups
603   */
604  struct acpi_scope_state {
605  	ACPI_STATE_COMMON struct acpi_namespace_node *node;
606  };
607  
608  struct acpi_pscope_state {
609  	ACPI_STATE_COMMON u32 arg_count;	/* Number of fixed arguments */
610  	union acpi_parse_object *op;	/* Current op being parsed */
611  	u8 *arg_end;		/* Current argument end */
612  	u8 *pkg_end;		/* Current package end */
613  	u32 arg_list;		/* Next argument to parse */
614  };
615  
616  /*
617   * Thread state - one per thread across multiple walk states. Multiple walk
618   * states are created when there are nested control methods executing.
619   */
620  struct acpi_thread_state {
621  	ACPI_STATE_COMMON u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
622  	struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
623  	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
624  	acpi_thread_id thread_id;	/* Running thread ID */
625  };
626  
627  /*
628   * Result values - used to accumulate the results of nested
629   * AML arguments
630   */
631  struct acpi_result_values {
632  	ACPI_STATE_COMMON
633  	    union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
634  };
635  
636  typedef
637  acpi_status (*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
638  				     union acpi_parse_object ** out_op);
639  
640  typedef
641  acpi_status (*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
642  
643  /* Global handlers for AML Notifies */
644  
645  struct acpi_global_notify_handler {
646  	acpi_notify_handler handler;
647  	void *context;
648  };
649  
650  /*
651   * Notify info - used to pass info to the deferred notify
652   * handler/dispatcher.
653   */
654  struct acpi_notify_info {
655  	ACPI_STATE_COMMON u8 handler_list_id;
656  	struct acpi_namespace_node *node;
657  	union acpi_operand_object *handler_list_head;
658  	struct acpi_global_notify_handler *global;
659  };
660  
661  /* Generic state is union of structs above */
662  
663  union acpi_generic_state {
664  	struct acpi_common_state common;
665  	struct acpi_control_state control;
666  	struct acpi_update_state update;
667  	struct acpi_scope_state scope;
668  	struct acpi_pscope_state parse_scope;
669  	struct acpi_pkg_state pkg;
670  	struct acpi_thread_state thread;
671  	struct acpi_result_values results;
672  	struct acpi_notify_info notify;
673  };
674  
675  /*****************************************************************************
676   *
677   * Interpreter typedefs and structs
678   *
679   ****************************************************************************/
680  
681  typedef
682  acpi_status (*acpi_execute_op) (struct acpi_walk_state * walk_state);
683  
684  /* Address Range info block */
685  
686  struct acpi_address_range {
687  	struct acpi_address_range *next;
688  	struct acpi_namespace_node *region_node;
689  	acpi_physical_address start_address;
690  	acpi_physical_address end_address;
691  };
692  
693  /*****************************************************************************
694   *
695   * Parser typedefs and structs
696   *
697   ****************************************************************************/
698  
699  /*
700   * AML opcode, name, and argument layout
701   */
702  struct acpi_opcode_info {
703  #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
704  	char *name;		/* Opcode name (disassembler/debug only) */
705  #endif
706  	u32 parse_args;		/* Grammar/Parse time arguments */
707  	u32 runtime_args;	/* Interpret time arguments */
708  	u16 flags;		/* Misc flags */
709  	u8 object_type;		/* Corresponding internal object type */
710  	u8 class;		/* Opcode class */
711  	u8 type;		/* Opcode type */
712  };
713  
714  /* Value associated with the parse object */
715  
716  union acpi_parse_value {
717  	u64 integer;		/* Integer constant (Up to 64 bits) */
718  	u32 size;		/* bytelist or field size */
719  	char *string;		/* NULL terminated string */
720  	u8 *buffer;		/* buffer or string */
721  	char *name;		/* NULL terminated string */
722  	union acpi_parse_object *arg;	/* arguments and contained ops */
723  };
724  
725  #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
726  #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
727  #else
728  #define ACPI_DISASM_ONLY_MEMBERS(a)
729  #endif
730  
731  #if defined(ACPI_ASL_COMPILER)
732  #define ACPI_CONVERTER_ONLY_MEMBERS(a)  a;
733  #else
734  #define ACPI_CONVERTER_ONLY_MEMBERS(a)
735  #endif
736  
737  #define ACPI_PARSE_COMMON \
738  	union acpi_parse_object         *parent;            /* Parent op */\
739  	u8                              descriptor_type;    /* To differentiate various internal objs */\
740  	u8                              flags;              /* Type of Op */\
741  	u16                             aml_opcode;         /* AML opcode */\
742  	u8                              *aml;               /* Address of declaration in AML */\
743  	union acpi_parse_object         *next;              /* Next op */\
744  	struct acpi_namespace_node      *node;              /* For use by interpreter */\
745  	union acpi_parse_value          value;              /* Value or args associated with the opcode */\
746  	u8                              arg_list_length;    /* Number of elements in the arg list */\
747  	 ACPI_DISASM_ONLY_MEMBERS (\
748  	u16                             disasm_flags;       /* Used during AML disassembly */\
749  	u8                              disasm_opcode;      /* Subtype used for disassembly */\
750  	char                            *operator_symbol;   /* Used for C-style operator name strings */\
751  	char                            aml_op_name[16])    /* Op name (debug only) */\
752  	 ACPI_CONVERTER_ONLY_MEMBERS (\
753  	char                            *inline_comment;    /* Inline comment */\
754  	char                            *end_node_comment;  /* End of node comment */\
755  	char                            *name_comment;      /* Comment associated with the first parameter of the name node */\
756  	char                            *close_brace_comment; /* Comments that come after } on the same as } */\
757  	struct acpi_comment_node        *comment_list;      /* comments that appears before this node */\
758  	struct acpi_comment_node        *end_blk_comment;   /* comments that at the end of a block but before ) or } */\
759  	char                            *cv_filename;       /* Filename associated with this node. Used for ASL/ASL+ converter */\
760  	char                            *cv_parent_filename)	/* Parent filename associated with this node. Used for ASL/ASL+ converter */
761  
762  /* categories of comments */
763  
764  typedef enum {
765  	STANDARD_COMMENT = 1,
766  	INLINE_COMMENT,
767  	ENDNODE_COMMENT,
768  	OPENBRACE_COMMENT,
769  	CLOSE_BRACE_COMMENT,
770  	STD_DEFBLK_COMMENT,
771  	END_DEFBLK_COMMENT,
772  	FILENAME_COMMENT,
773  	PARENTFILENAME_COMMENT,
774  	ENDBLK_COMMENT,
775  	INCLUDE_COMMENT
776  } asl_comment_types;
777  
778  /* Internal opcodes for disasm_opcode field above */
779  
780  #define ACPI_DASM_BUFFER                0x00	/* Buffer is a simple data buffer */
781  #define ACPI_DASM_RESOURCE              0x01	/* Buffer is a Resource Descriptor */
782  #define ACPI_DASM_STRING                0x02	/* Buffer is a ASCII string */
783  #define ACPI_DASM_UNICODE               0x03	/* Buffer is a Unicode string */
784  #define ACPI_DASM_PLD_METHOD            0x04	/* Buffer is a _PLD method bit-packed buffer */
785  #define ACPI_DASM_UUID                  0x05	/* Buffer is a UUID/GUID */
786  #define ACPI_DASM_EISAID                0x06	/* Integer is an EISAID */
787  #define ACPI_DASM_MATCHOP               0x07	/* Parent opcode is a Match() operator */
788  #define ACPI_DASM_LNOT_PREFIX           0x08	/* Start of a Lnot_equal (etc.) pair of opcodes */
789  #define ACPI_DASM_LNOT_SUFFIX           0x09	/* End  of a Lnot_equal (etc.) pair of opcodes */
790  #define ACPI_DASM_HID_STRING            0x0A	/* String is a _HID or _CID */
791  #define ACPI_DASM_IGNORE_SINGLE         0x0B	/* Ignore the opcode but not it's children */
792  #define ACPI_DASM_SWITCH                0x0C	/* While is a Switch */
793  #define ACPI_DASM_SWITCH_PREDICATE      0x0D	/* Object is a predicate for a Switch or Case block */
794  #define ACPI_DASM_CASE                  0x0E	/* If/Else is a Case in a Switch/Case block */
795  #define ACPI_DASM_DEFAULT               0x0F	/* Else is a Default in a Switch/Case block */
796  
797  /*
798   * List struct used in the -ca option
799   */
800  struct acpi_comment_node {
801  	char *comment;
802  	struct acpi_comment_node *next;
803  };
804  
805  struct acpi_comment_addr_node {
806  	u8 *addr;
807  	struct acpi_comment_addr_node *next;
808  };
809  
810  /*
811   * File node - used for "Include" operator file stack and
812   * dependency tree for the -ca option
813   */
814  struct acpi_file_node {
815  	void *file;
816  	char *filename;
817  	char *file_start;	/* Points to AML and indicates when the AML for this particular file starts. */
818  	char *file_end;		/* Points to AML and indicates when the AML for this particular file ends. */
819  	struct acpi_file_node *next;
820  	struct acpi_file_node *parent;
821  	u8 include_written;
822  	struct acpi_comment_node *include_comment;
823  };
824  
825  /*
826   * Generic operation (for example:  If, While, Store)
827   */
828  struct acpi_parse_obj_common {
829  ACPI_PARSE_COMMON};
830  
831  /*
832   * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
833   * and bytelists.
834   */
835  struct acpi_parse_obj_named {
836  	ACPI_PARSE_COMMON char *path;
837  	u8 *data;		/* AML body or bytelist data */
838  	u32 length;		/* AML length */
839  	u32 name;		/* 4-byte name or zero if no name */
840  };
841  
842  /* This version is used by the iASL compiler only */
843  
844  #define ACPI_MAX_PARSEOP_NAME       20
845  
846  struct acpi_parse_obj_asl {
847  	ACPI_PARSE_COMMON union acpi_parse_object *child;
848  	union acpi_parse_object *parent_method;
849  	char *filename;
850  	u8 file_changed;
851  	char *parent_filename;
852  	char *external_name;
853  	char *namepath;
854  	char name_seg[4];
855  	u32 extra_value;
856  	u32 column;
857  	u32 line_number;
858  	u32 logical_line_number;
859  	u32 logical_byte_offset;
860  	u32 end_line;
861  	u32 end_logical_line;
862  	u32 acpi_btype;
863  	u32 aml_length;
864  	u32 aml_subtree_length;
865  	u32 final_aml_length;
866  	u32 final_aml_offset;
867  	u32 compile_flags;
868  	u16 parse_opcode;
869  	u8 aml_opcode_length;
870  	u8 aml_pkg_len_bytes;
871  	u8 extra;
872  	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
873  };
874  
875  union acpi_parse_object {
876  	struct acpi_parse_obj_common common;
877  	struct acpi_parse_obj_named named;
878  	struct acpi_parse_obj_asl asl;
879  };
880  
881  struct asl_comment_state {
882  	u8 comment_type;
883  	u32 spaces_before;
884  	union acpi_parse_object *latest_parse_op;
885  	union acpi_parse_object *parsing_paren_brace_node;
886  	u8 capture_comments;
887  };
888  
889  /*
890   * Parse state - one state per parser invocation and each control
891   * method.
892   */
893  struct acpi_parse_state {
894  	u8 *aml_start;		/* First AML byte */
895  	u8 *aml;		/* Next AML byte */
896  	u8 *aml_end;		/* (last + 1) AML byte */
897  	u8 *pkg_start;		/* Current package begin */
898  	u8 *pkg_end;		/* Current package end */
899  	union acpi_parse_object *start_op;	/* Root of parse tree */
900  	struct acpi_namespace_node *start_node;
901  	union acpi_generic_state *scope;	/* Current scope */
902  	union acpi_parse_object *start_scope;
903  	u32 aml_size;
904  };
905  
906  /* Parse object flags */
907  
908  #define ACPI_PARSEOP_GENERIC                0x01
909  #define ACPI_PARSEOP_NAMED_OBJECT           0x02
910  #define ACPI_PARSEOP_DEFERRED               0x04
911  #define ACPI_PARSEOP_BYTELIST               0x08
912  #define ACPI_PARSEOP_IN_STACK               0x10
913  #define ACPI_PARSEOP_TARGET                 0x20
914  #define ACPI_PARSEOP_IN_CACHE               0x80
915  
916  /* Parse object disasm_flags */
917  
918  #define ACPI_PARSEOP_IGNORE                 0x0001
919  #define ACPI_PARSEOP_PARAMETER_LIST         0x0002
920  #define ACPI_PARSEOP_EMPTY_TERMLIST         0x0004
921  #define ACPI_PARSEOP_PREDEFINED_CHECKED     0x0008
922  #define ACPI_PARSEOP_CLOSING_PAREN          0x0010
923  #define ACPI_PARSEOP_COMPOUND_ASSIGNMENT    0x0020
924  #define ACPI_PARSEOP_ASSIGNMENT             0x0040
925  #define ACPI_PARSEOP_ELSEIF                 0x0080
926  #define ACPI_PARSEOP_LEGACY_ASL_ONLY        0x0100
927  
928  /*****************************************************************************
929   *
930   * Hardware (ACPI registers) and PNP
931   *
932   ****************************************************************************/
933  
934  struct acpi_bit_register_info {
935  	u8 parent_register;
936  	u8 bit_position;
937  	u16 access_bit_mask;
938  };
939  
940  /*
941   * Some ACPI registers have bits that must be ignored -- meaning that they
942   * must be preserved.
943   */
944  #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800	/* Bit 11 */
945  
946  /* Write-only bits must be zeroed by software */
947  
948  #define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004	/* Bits 13, 2 */
949  
950  /* For control registers, both ignored and reserved bits must be preserved */
951  
952  /*
953   * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
954   * ACPI specification to be a "preserved" bit - "OSPM always preserves this
955   * bit position", section 4.7.3.2.1. However, on some machines the OS must
956   * write a one to this bit after resume for the machine to work properly.
957   * To enable this, we no longer attempt to preserve this bit. No machines
958   * are known to fail if the bit is not preserved. (May 2009)
959   */
960  #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200	/* Bit 9 */
961  #define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8	/* Bits 14-15, 3-8 */
962  #define ACPI_PM1_CONTROL_PRESERVED_BITS \
963  	       (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
964  
965  #define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE	/* All except bit 0 */
966  
967  /*
968   * Register IDs
969   * These are the full ACPI registers
970   */
971  #define ACPI_REGISTER_PM1_STATUS                0x01
972  #define ACPI_REGISTER_PM1_ENABLE                0x02
973  #define ACPI_REGISTER_PM1_CONTROL               0x03
974  #define ACPI_REGISTER_PM2_CONTROL               0x04
975  #define ACPI_REGISTER_PM_TIMER                  0x05
976  #define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
977  #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
978  
979  /* Masks used to access the bit_registers */
980  
981  #define ACPI_BITMASK_TIMER_STATUS               0x0001
982  #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
983  #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
984  #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
985  #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
986  #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
987  #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
988  #define ACPI_BITMASK_WAKE_STATUS                0x8000
989  
990  #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
991  	ACPI_BITMASK_TIMER_STATUS          | \
992  	ACPI_BITMASK_BUS_MASTER_STATUS     | \
993  	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
994  	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
995  	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
996  	ACPI_BITMASK_RT_CLOCK_STATUS       | \
997  	ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
998  	ACPI_BITMASK_WAKE_STATUS)
999  
1000  #define ACPI_BITMASK_TIMER_ENABLE               0x0001
1001  #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
1002  #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
1003  #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
1004  #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
1005  #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
1006  
1007  #define ACPI_BITMASK_SCI_ENABLE                 0x0001
1008  #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
1009  #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
1010  #define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
1011  #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
1012  
1013  #define ACPI_BITMASK_ARB_DISABLE                0x0001
1014  
1015  /* Raw bit position of each bit_register */
1016  
1017  #define ACPI_BITPOSITION_TIMER_STATUS           0x00
1018  #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
1019  #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
1020  #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
1021  #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
1022  #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
1023  #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
1024  #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
1025  
1026  #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
1027  #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
1028  #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
1029  #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
1030  #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
1031  #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */
1032  
1033  #define ACPI_BITPOSITION_SCI_ENABLE             0x00
1034  #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
1035  #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
1036  #define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
1037  #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
1038  
1039  #define ACPI_BITPOSITION_ARB_DISABLE            0x00
1040  
1041  /* Structs and definitions for _OSI support and I/O port validation */
1042  
1043  #define ACPI_ALWAYS_ILLEGAL             0x00
1044  
1045  struct acpi_interface_info {
1046  	char *name;
1047  	struct acpi_interface_info *next;
1048  	u8 flags;
1049  	u8 value;
1050  };
1051  
1052  #define ACPI_OSI_INVALID                0x01
1053  #define ACPI_OSI_DYNAMIC                0x02
1054  #define ACPI_OSI_FEATURE                0x04
1055  #define ACPI_OSI_DEFAULT_INVALID        0x08
1056  #define ACPI_OSI_OPTIONAL_FEATURE       (ACPI_OSI_FEATURE | ACPI_OSI_DEFAULT_INVALID | ACPI_OSI_INVALID)
1057  
1058  struct acpi_port_info {
1059  	char *name;
1060  	u16 start;
1061  	u16 end;
1062  	u8 osi_dependency;
1063  };
1064  
1065  /*****************************************************************************
1066   *
1067   * Resource descriptors
1068   *
1069   ****************************************************************************/
1070  
1071  /* resource_type values */
1072  
1073  #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
1074  #define ACPI_ADDRESS_TYPE_IO_RANGE              1
1075  #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
1076  
1077  /* Resource descriptor types and masks */
1078  
1079  #define ACPI_RESOURCE_NAME_LARGE                0x80
1080  #define ACPI_RESOURCE_NAME_SMALL                0x00
1081  
1082  #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
1083  #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
1084  #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */
1085  
1086  /*
1087   * Small resource descriptor "names" as defined by the ACPI specification.
1088   * Note: Bits 2:0 are used for the descriptor length
1089   */
1090  #define ACPI_RESOURCE_NAME_IRQ                  0x20
1091  #define ACPI_RESOURCE_NAME_DMA                  0x28
1092  #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
1093  #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
1094  #define ACPI_RESOURCE_NAME_IO                   0x40
1095  #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
1096  #define ACPI_RESOURCE_NAME_FIXED_DMA            0x50
1097  #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
1098  #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
1099  #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
1100  #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
1101  #define ACPI_RESOURCE_NAME_END_TAG              0x78
1102  
1103  /*
1104   * Large resource descriptor "names" as defined by the ACPI specification.
1105   * Note: includes the Large Descriptor bit in bit[7]
1106   */
1107  #define ACPI_RESOURCE_NAME_MEMORY24             0x81
1108  #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
1109  #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
1110  #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
1111  #define ACPI_RESOURCE_NAME_MEMORY32             0x85
1112  #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
1113  #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
1114  #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
1115  #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
1116  #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
1117  #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
1118  #define ACPI_RESOURCE_NAME_GPIO                 0x8C
1119  #define ACPI_RESOURCE_NAME_PIN_FUNCTION         0x8D
1120  #define ACPI_RESOURCE_NAME_SERIAL_BUS           0x8E
1121  #define ACPI_RESOURCE_NAME_PIN_CONFIG           0x8F
1122  #define ACPI_RESOURCE_NAME_PIN_GROUP            0x90
1123  #define ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION   0x91
1124  #define ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG     0x92
1125  #define ACPI_RESOURCE_NAME_LARGE_MAX            0x92
1126  
1127  /*****************************************************************************
1128   *
1129   * Miscellaneous
1130   *
1131   ****************************************************************************/
1132  
1133  #define ACPI_ASCII_ZERO                 0x30
1134  
1135  /*****************************************************************************
1136   *
1137   * Disassembler
1138   *
1139   ****************************************************************************/
1140  
1141  struct acpi_external_list {
1142  	char *path;
1143  	char *internal_path;
1144  	struct acpi_external_list *next;
1145  	u32 value;
1146  	u16 length;
1147  	u16 flags;
1148  	u8 type;
1149  };
1150  
1151  /* Values for Flags field above */
1152  
1153  #define ACPI_EXT_RESOLVED_REFERENCE         0x01	/* Object was resolved during cross ref */
1154  #define ACPI_EXT_ORIGIN_FROM_FILE           0x02	/* External came from a file */
1155  #define ACPI_EXT_INTERNAL_PATH_ALLOCATED    0x04	/* Deallocate internal path on completion */
1156  #define ACPI_EXT_EXTERNAL_EMITTED           0x08	/* External() statement has been emitted */
1157  #define ACPI_EXT_ORIGIN_FROM_OPCODE         0x10	/* External came from a External() opcode */
1158  #define ACPI_EXT_CONFLICTING_DECLARATION    0x20	/* External has a conflicting declaration within AML */
1159  
1160  struct acpi_external_file {
1161  	char *path;
1162  	struct acpi_external_file *next;
1163  };
1164  
1165  struct acpi_parse_object_list {
1166  	union acpi_parse_object *op;
1167  	struct acpi_parse_object_list *next;
1168  };
1169  
1170  /*****************************************************************************
1171   *
1172   * Debugger
1173   *
1174   ****************************************************************************/
1175  
1176  struct acpi_db_method_info {
1177  	acpi_handle method;
1178  	acpi_handle main_thread_gate;
1179  	acpi_handle thread_complete_gate;
1180  	acpi_handle info_gate;
1181  	acpi_thread_id *threads;
1182  	u32 num_threads;
1183  	u32 num_created;
1184  	u32 num_completed;
1185  
1186  	char *name;
1187  	u32 flags;
1188  	u32 num_loops;
1189  	char pathname[ACPI_DB_LINE_BUFFER_SIZE];
1190  	char **args;
1191  	acpi_object_type *types;
1192  
1193  	/*
1194  	 * Arguments to be passed to method for the commands Threads and
1195  	 * Background. Note, ACPI specifies a maximum of 7 arguments (0 - 6).
1196  	 *
1197  	 * For the Threads command, the Number of threads, ID of current
1198  	 * thread and Index of current thread inside all them created.
1199  	 */
1200  	char init_args;
1201  #ifdef ACPI_DEBUGGER
1202  	acpi_object_type arg_types[ACPI_METHOD_NUM_ARGS];
1203  #endif
1204  	char *arguments[ACPI_METHOD_NUM_ARGS];
1205  	char num_threads_str[11];
1206  	char id_of_thread_str[11];
1207  	char index_of_thread_str[11];
1208  };
1209  
1210  struct acpi_integrity_info {
1211  	u32 nodes;
1212  	u32 objects;
1213  };
1214  
1215  #define ACPI_DB_DISABLE_OUTPUT          0x00
1216  #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1217  #define ACPI_DB_CONSOLE_OUTPUT          0x02
1218  #define ACPI_DB_DUPLICATE_OUTPUT        0x03
1219  
1220  struct acpi_object_info {
1221  	u32 types[ACPI_TOTAL_TYPES];
1222  };
1223  
1224  /*****************************************************************************
1225   *
1226   * Debug
1227   *
1228   ****************************************************************************/
1229  
1230  /* Entry for a memory allocation (debug only) */
1231  
1232  #define ACPI_MEM_MALLOC                 0
1233  #define ACPI_MEM_CALLOC                 1
1234  #define ACPI_MAX_MODULE_NAME            16
1235  
1236  #define ACPI_COMMON_DEBUG_MEM_HEADER \
1237  	struct acpi_debug_mem_block     *previous; \
1238  	struct acpi_debug_mem_block     *next; \
1239  	u32                             size; \
1240  	u32                             component; \
1241  	u32                             line; \
1242  	char                            module[ACPI_MAX_MODULE_NAME]; \
1243  	u8                              alloc_type;
1244  
1245  struct acpi_debug_mem_header {
1246  ACPI_COMMON_DEBUG_MEM_HEADER};
1247  
1248  struct acpi_debug_mem_block {
1249  	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1250  };
1251  
1252  #define ACPI_MEM_LIST_GLOBAL            0
1253  #define ACPI_MEM_LIST_NSNODE            1
1254  #define ACPI_MEM_LIST_MAX               1
1255  #define ACPI_NUM_MEM_LISTS              2
1256  
1257  /*****************************************************************************
1258   *
1259   * Info/help support
1260   *
1261   ****************************************************************************/
1262  
1263  struct ah_predefined_name {
1264  	char *name;
1265  	char *description;
1266  #ifndef ACPI_ASL_COMPILER
1267  	char *action;
1268  #endif
1269  };
1270  
1271  struct ah_device_id {
1272  	char *name;
1273  	char *description;
1274  };
1275  
1276  struct ah_uuid {
1277  	char *description;
1278  	char *string;
1279  };
1280  
1281  struct ah_table {
1282  	char *signature;
1283  	char *description;
1284  };
1285  
1286  #endif				/* __ACLOCAL_H__ */
1287