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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: aclocal.h - Internal data types used across the ACPI subsystem | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
4a90c7e8 | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
1da177e4 LT |
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 | ||
61686124 BM |
47 | /* acpisrc:struct_defs -- for acpisrc conversion */ |
48 | ||
4be44fcd | 49 | #define ACPI_WAIT_FOREVER 0xFFFF /* u16, as per ACPI spec */ |
61686124 | 50 | #define ACPI_INFINITE_CONCURRENCY 0xFF |
1da177e4 | 51 | |
4be44fcd LB |
52 | typedef void *acpi_mutex; |
53 | typedef u32 acpi_mutex_handle; | |
1da177e4 LT |
54 | |
55 | /* Total number of aml opcodes defined */ | |
56 | ||
57 | #define AML_NUM_OPCODES 0x7F | |
58 | ||
f9f4601f RM |
59 | /* Forward declarations */ |
60 | ||
4be44fcd | 61 | struct acpi_walk_state; |
f9f4601f | 62 | struct acpi_obj_mutex; |
4be44fcd | 63 | union acpi_parse_object; |
f9f4601f | 64 | |
1da177e4 LT |
65 | /***************************************************************************** |
66 | * | |
67 | * Mutex typedefs and structs | |
68 | * | |
69 | ****************************************************************************/ | |
70 | ||
1da177e4 LT |
71 | /* |
72 | * Predefined handles for the mutex objects used within the subsystem | |
73 | * All mutex objects are automatically created by acpi_ut_mutex_initialize. | |
74 | * | |
75 | * The acquire/release ordering protocol is implied via this list. Mutexes | |
76 | * with a lower value must be acquired before mutexes with a higher value. | |
77 | * | |
78 | * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names table also! | |
79 | */ | |
1da177e4 LT |
80 | #define ACPI_MTX_EXECUTE 0 |
81 | #define ACPI_MTX_INTERPRETER 1 | |
82 | #define ACPI_MTX_PARSER 2 | |
83 | #define ACPI_MTX_DISPATCHER 3 | |
84 | #define ACPI_MTX_TABLES 4 | |
85 | #define ACPI_MTX_OP_REGIONS 5 | |
86 | #define ACPI_MTX_NAMESPACE 6 | |
87 | #define ACPI_MTX_EVENTS 7 | |
88 | #define ACPI_MTX_HARDWARE 8 | |
89 | #define ACPI_MTX_CACHES 9 | |
90 | #define ACPI_MTX_MEMORY 10 | |
91 | #define ACPI_MTX_DEBUG_CMD_COMPLETE 11 | |
92 | #define ACPI_MTX_DEBUG_CMD_READY 12 | |
93 | ||
94 | #define MAX_MUTEX 12 | |
95 | #define NUM_MUTEX MAX_MUTEX+1 | |
96 | ||
1da177e4 LT |
97 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
98 | #ifdef DEFINE_ACPI_GLOBALS | |
99 | ||
100 | /* Names for the mutexes used in the subsystem */ | |
101 | ||
4be44fcd | 102 | static char *acpi_gbl_mutex_names[] = { |
1da177e4 LT |
103 | "ACPI_MTX_Execute", |
104 | "ACPI_MTX_Interpreter", | |
105 | "ACPI_MTX_Parser", | |
106 | "ACPI_MTX_Dispatcher", | |
107 | "ACPI_MTX_Tables", | |
108 | "ACPI_MTX_op_regions", | |
109 | "ACPI_MTX_Namespace", | |
110 | "ACPI_MTX_Events", | |
111 | "ACPI_MTX_Hardware", | |
112 | "ACPI_MTX_Caches", | |
113 | "ACPI_MTX_Memory", | |
114 | "ACPI_MTX_debug_cmd_complete", | |
115 | "ACPI_MTX_debug_cmd_ready", | |
116 | }; | |
117 | ||
118 | #endif | |
119 | #endif | |
120 | ||
f9f4601f RM |
121 | /* Owner IDs are used to track namespace nodes for selective deletion */ |
122 | ||
4be44fcd | 123 | typedef u8 acpi_owner_id; |
f9f4601f RM |
124 | #define ACPI_OWNER_ID_MAX 0xFF |
125 | ||
126 | /* This Thread ID means that the mutex is not in use (unlocked) */ | |
127 | ||
128 | #define ACPI_MUTEX_NOT_ACQUIRED (u32) -1 | |
129 | ||
1da177e4 LT |
130 | /* Table for the global mutexes */ |
131 | ||
4be44fcd LB |
132 | struct acpi_mutex_info { |
133 | acpi_mutex mutex; | |
134 | u32 use_count; | |
8313524a | 135 | acpi_thread_id thread_id; |
1da177e4 LT |
136 | }; |
137 | ||
1da177e4 LT |
138 | /* Lock flag parameter for various interfaces */ |
139 | ||
140 | #define ACPI_MTX_DO_NOT_LOCK 0 | |
141 | #define ACPI_MTX_LOCK 1 | |
142 | ||
1da177e4 LT |
143 | /* Field access granularities */ |
144 | ||
145 | #define ACPI_FIELD_BYTE_GRANULARITY 1 | |
146 | #define ACPI_FIELD_WORD_GRANULARITY 2 | |
147 | #define ACPI_FIELD_DWORD_GRANULARITY 4 | |
148 | #define ACPI_FIELD_QWORD_GRANULARITY 8 | |
149 | ||
61686124 BM |
150 | #define ACPI_ENTRY_NOT_FOUND NULL |
151 | ||
1da177e4 LT |
152 | /***************************************************************************** |
153 | * | |
154 | * Namespace typedefs and structs | |
155 | * | |
156 | ****************************************************************************/ | |
157 | ||
1da177e4 LT |
158 | /* Operational modes of the AML interpreter/scanner */ |
159 | ||
4be44fcd LB |
160 | typedef enum { |
161 | ACPI_IMODE_LOAD_PASS1 = 0x01, | |
162 | ACPI_IMODE_LOAD_PASS2 = 0x02, | |
163 | ACPI_IMODE_EXECUTE = 0x0E | |
1da177e4 LT |
164 | } acpi_interpreter_mode; |
165 | ||
4be44fcd LB |
166 | union acpi_name_union { |
167 | u32 integer; | |
168 | char ascii[4]; | |
169 | }; | |
170 | ||
61686124 BM |
171 | /* |
172 | * The Namespace Node describes a named object that appears in the AML. | |
173 | * descriptor_type is used to differentiate between internal descriptors. | |
174 | * | |
175 | * The node is optimized for both 32-bit and 64-bit platforms: | |
176 | * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case. | |
177 | */ | |
4be44fcd | 178 | struct acpi_namespace_node { |
61686124 BM |
179 | union acpi_operand_object *object; /* Interpreter object */ |
180 | u8 descriptor_type; /* Differentiate object descriptor types */ | |
181 | u8 flags; /* Miscellaneous flags */ | |
182 | acpi_owner_id owner_id; /* Node creator */ | |
183 | u8 type; /* ACPI Type associated with this name */ | |
4be44fcd | 184 | union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */ |
4be44fcd | 185 | struct acpi_namespace_node *child; /* First child */ |
61686124 | 186 | struct acpi_namespace_node *peer; /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */ |
f9f4601f | 187 | |
61686124 | 188 | /* Fields used by the ASL compiler and disassembler only: */ |
f9f4601f | 189 | |
8313524a | 190 | #ifdef ACPI_LARGE_NAMESPACE_NODE |
4be44fcd | 191 | union acpi_parse_object *op; |
61686124 | 192 | u32 value; |
f9f4601f | 193 | #endif |
1da177e4 LT |
194 | }; |
195 | ||
61686124 | 196 | /* Namespace Node flags */ |
1da177e4 | 197 | |
61686124 BM |
198 | #define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */ |
199 | #define ANOBJ_DATA_WIDTH_32 0x02 /* Parent table uses 32-bit math */ | |
200 | #define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */ | |
201 | #define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */ | |
202 | #define ANOBJ_METHOD_NO_RETVal 0x10 /* i_aSL only: Method has no return value */ | |
203 | #define ANOBJ_METHOD_SOME_NO_RETVal 0x20 /* i_aSL only: Method has at least one return value */ | |
204 | #define ANOBJ_IS_BIT_OFFSet 0x40 /* i_aSL only: Reference is a bit offset */ | |
1da177e4 LT |
205 | |
206 | /* | |
207 | * ACPI Table Descriptor. One per ACPI table | |
208 | */ | |
4be44fcd LB |
209 | struct acpi_table_desc { |
210 | struct acpi_table_desc *prev; | |
211 | struct acpi_table_desc *next; | |
212 | struct acpi_table_desc *installed_desc; | |
213 | struct acpi_table_header *pointer; | |
214 | u8 *aml_start; | |
215 | u64 physical_address; | |
4be44fcd | 216 | acpi_size length; |
61686124 | 217 | u32 aml_length; |
4be44fcd LB |
218 | acpi_owner_id owner_id; |
219 | u8 type; | |
220 | u8 allocation; | |
221 | u8 loaded_into_namespace; | |
1da177e4 LT |
222 | }; |
223 | ||
4be44fcd LB |
224 | struct acpi_table_list { |
225 | struct acpi_table_desc *next; | |
226 | u32 count; | |
1da177e4 LT |
227 | }; |
228 | ||
4be44fcd LB |
229 | struct acpi_find_context { |
230 | char *search_for; | |
231 | acpi_handle *list; | |
232 | u32 *count; | |
1da177e4 LT |
233 | }; |
234 | ||
4be44fcd LB |
235 | struct acpi_ns_search_data { |
236 | struct acpi_namespace_node *node; | |
1da177e4 LT |
237 | }; |
238 | ||
1da177e4 LT |
239 | /* |
240 | * Predefined Namespace items | |
241 | */ | |
4be44fcd LB |
242 | struct acpi_predefined_names { |
243 | char *name; | |
244 | u8 type; | |
245 | char *val; | |
1da177e4 LT |
246 | }; |
247 | ||
1da177e4 LT |
248 | /* Object types used during package copies */ |
249 | ||
1da177e4 LT |
250 | #define ACPI_COPY_TYPE_SIMPLE 0 |
251 | #define ACPI_COPY_TYPE_PACKAGE 1 | |
252 | ||
253 | /* Info structure used to convert external<->internal namestrings */ | |
254 | ||
4be44fcd LB |
255 | struct acpi_namestring_info { |
256 | char *external_name; | |
257 | char *next_external_char; | |
258 | char *internal_name; | |
259 | u32 length; | |
260 | u32 num_segments; | |
261 | u32 num_carats; | |
262 | u8 fully_qualified; | |
1da177e4 LT |
263 | }; |
264 | ||
1da177e4 LT |
265 | /* Field creation info */ |
266 | ||
4be44fcd LB |
267 | struct acpi_create_field_info { |
268 | struct acpi_namespace_node *region_node; | |
269 | struct acpi_namespace_node *field_node; | |
270 | struct acpi_namespace_node *register_node; | |
271 | struct acpi_namespace_node *data_register_node; | |
272 | u32 bank_value; | |
273 | u32 field_bit_position; | |
274 | u32 field_bit_length; | |
275 | u8 field_flags; | |
276 | u8 attribute; | |
277 | u8 field_type; | |
1da177e4 LT |
278 | }; |
279 | ||
61686124 BM |
280 | typedef |
281 | acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state); | |
282 | ||
defba1d8 BM |
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 0x00010000 | |
304 | #define ACPI_BTYPE_RESOURCE 0x00020000 | |
305 | ||
306 | #define ACPI_BTYPE_COMPUTE_DATA (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER) | |
307 | ||
308 | #define ACPI_BTYPE_DATA (ACPI_BTYPE_COMPUTE_DATA | ACPI_BTYPE_PACKAGE) | |
309 | #define ACPI_BTYPE_DATA_REFERENCE (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE) | |
310 | #define ACPI_BTYPE_DEVICE_OBJECTS (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR) | |
311 | #define ACPI_BTYPE_OBJECTS_AND_REFS 0x0001FFFF /* ARG or LOCAL */ | |
312 | #define ACPI_BTYPE_ALL_OBJECTS 0x0000FFFF | |
313 | ||
1da177e4 LT |
314 | /***************************************************************************** |
315 | * | |
316 | * Event typedefs and structs | |
317 | * | |
318 | ****************************************************************************/ | |
319 | ||
320 | /* Dispatch info for each GPE -- either a method or handler, cannot be both */ | |
321 | ||
4be44fcd LB |
322 | struct acpi_handler_info { |
323 | acpi_event_handler address; /* Address of handler, if any */ | |
324 | void *context; /* Context to be passed to handler */ | |
325 | struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ | |
1da177e4 LT |
326 | }; |
327 | ||
4be44fcd LB |
328 | union acpi_gpe_dispatch_info { |
329 | struct acpi_namespace_node *method_node; /* Method node for this GPE level */ | |
330 | struct acpi_handler_info *handler; | |
1da177e4 LT |
331 | }; |
332 | ||
333 | /* | |
334 | * Information about a GPE, one per each GPE in an array. | |
335 | * NOTE: Important to keep this struct as small as possible. | |
336 | */ | |
4be44fcd LB |
337 | struct acpi_gpe_event_info { |
338 | union acpi_gpe_dispatch_info dispatch; /* Either Method or Handler */ | |
339 | struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ | |
340 | u8 flags; /* Misc info about this GPE */ | |
341 | u8 register_bit; /* This GPE bit within the register */ | |
1da177e4 LT |
342 | }; |
343 | ||
344 | /* Information about a GPE register pair, one per each status/enable pair in an array */ | |
345 | ||
4be44fcd LB |
346 | struct acpi_gpe_register_info { |
347 | struct acpi_generic_address status_address; /* Address of status reg */ | |
348 | struct acpi_generic_address enable_address; /* Address of enable reg */ | |
349 | u8 enable_for_wake; /* GPEs to keep enabled when sleeping */ | |
350 | u8 enable_for_run; /* GPEs to keep enabled when running */ | |
351 | u8 base_gpe_number; /* Base GPE number for this register */ | |
1da177e4 LT |
352 | }; |
353 | ||
354 | /* | |
355 | * Information about a GPE register block, one per each installed block -- | |
356 | * GPE0, GPE1, and one per each installed GPE Block Device. | |
357 | */ | |
4be44fcd LB |
358 | struct acpi_gpe_block_info { |
359 | struct acpi_namespace_node *node; | |
360 | struct acpi_gpe_block_info *previous; | |
361 | struct acpi_gpe_block_info *next; | |
362 | struct acpi_gpe_xrupt_info *xrupt_block; /* Backpointer to interrupt block */ | |
363 | struct acpi_gpe_register_info *register_info; /* One per GPE register pair */ | |
364 | struct acpi_gpe_event_info *event_info; /* One for each GPE */ | |
365 | struct acpi_generic_address block_address; /* Base address of the block */ | |
366 | u32 register_count; /* Number of register pairs in block */ | |
367 | u8 block_base_number; /* Base GPE number for this block */ | |
1da177e4 LT |
368 | }; |
369 | ||
370 | /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */ | |
371 | ||
4be44fcd LB |
372 | struct acpi_gpe_xrupt_info { |
373 | struct acpi_gpe_xrupt_info *previous; | |
374 | struct acpi_gpe_xrupt_info *next; | |
375 | struct acpi_gpe_block_info *gpe_block_list_head; /* List of GPE blocks for this xrupt */ | |
376 | u32 interrupt_number; /* System interrupt number */ | |
1da177e4 LT |
377 | }; |
378 | ||
4be44fcd LB |
379 | struct acpi_gpe_walk_info { |
380 | struct acpi_namespace_node *gpe_device; | |
381 | struct acpi_gpe_block_info *gpe_block; | |
1da177e4 LT |
382 | }; |
383 | ||
61686124 | 384 | typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * |
4be44fcd LB |
385 | gpe_xrupt_info, |
386 | struct acpi_gpe_block_info * | |
387 | gpe_block); | |
1da177e4 LT |
388 | |
389 | /* Information about each particular fixed event */ | |
390 | ||
4be44fcd LB |
391 | struct acpi_fixed_event_handler { |
392 | acpi_event_handler handler; /* Address of handler. */ | |
393 | void *context; /* Context to be passed to handler */ | |
1da177e4 LT |
394 | }; |
395 | ||
4be44fcd LB |
396 | struct acpi_fixed_event_info { |
397 | u8 status_register_id; | |
398 | u8 enable_register_id; | |
399 | u16 status_bit_mask; | |
400 | u16 enable_bit_mask; | |
1da177e4 LT |
401 | }; |
402 | ||
403 | /* Information used during field processing */ | |
404 | ||
4be44fcd LB |
405 | struct acpi_field_info { |
406 | u8 skip_field; | |
407 | u8 field_flag; | |
408 | u32 pkg_length; | |
1da177e4 LT |
409 | }; |
410 | ||
1da177e4 LT |
411 | /***************************************************************************** |
412 | * | |
413 | * Generic "state" object for stacks | |
414 | * | |
415 | ****************************************************************************/ | |
416 | ||
1da177e4 LT |
417 | #define ACPI_CONTROL_NORMAL 0xC0 |
418 | #define ACPI_CONTROL_CONDITIONAL_EXECUTING 0xC1 | |
419 | #define ACPI_CONTROL_PREDICATE_EXECUTING 0xC2 | |
420 | #define ACPI_CONTROL_PREDICATE_FALSE 0xC3 | |
421 | #define ACPI_CONTROL_PREDICATE_TRUE 0xC4 | |
422 | ||
61686124 BM |
423 | #define ACPI_STATE_COMMON \ |
424 | void *next; \ | |
425 | u8 descriptor_type; /* To differentiate various internal objs */\ | |
426 | u8 flags; \ | |
427 | u16 value; \ | |
428 | u16 state; | |
429 | ||
430 | /* There are 2 bytes available here until the next natural alignment boundary */ | |
1da177e4 | 431 | |
4be44fcd LB |
432 | struct acpi_common_state { |
433 | ACPI_STATE_COMMON}; | |
1da177e4 LT |
434 | |
435 | /* | |
436 | * Update state - used to traverse complex objects such as packages | |
437 | */ | |
4be44fcd LB |
438 | struct acpi_update_state { |
439 | ACPI_STATE_COMMON union acpi_operand_object *object; | |
1da177e4 LT |
440 | }; |
441 | ||
1da177e4 LT |
442 | /* |
443 | * Pkg state - used to traverse nested package structures | |
444 | */ | |
4be44fcd | 445 | struct acpi_pkg_state { |
61686124 BM |
446 | ACPI_STATE_COMMON u16 index; |
447 | union acpi_operand_object *source_object; | |
4be44fcd LB |
448 | union acpi_operand_object *dest_object; |
449 | struct acpi_walk_state *walk_state; | |
450 | void *this_target_obj; | |
451 | u32 num_packages; | |
1da177e4 LT |
452 | }; |
453 | ||
1da177e4 LT |
454 | /* |
455 | * Control state - one per if/else and while constructs. | |
456 | * Allows nesting of these constructs | |
457 | */ | |
4be44fcd | 458 | struct acpi_control_state { |
61686124 BM |
459 | ACPI_STATE_COMMON u16 opcode; |
460 | union acpi_parse_object *predicate_op; | |
4be44fcd LB |
461 | u8 *aml_predicate_start; /* Start of if/while predicate */ |
462 | u8 *package_end; /* End of if/while block */ | |
1da177e4 LT |
463 | }; |
464 | ||
1da177e4 LT |
465 | /* |
466 | * Scope state - current scope during namespace lookups | |
467 | */ | |
4be44fcd LB |
468 | struct acpi_scope_state { |
469 | ACPI_STATE_COMMON struct acpi_namespace_node *node; | |
1da177e4 LT |
470 | }; |
471 | ||
4be44fcd | 472 | struct acpi_pscope_state { |
61686124 BM |
473 | ACPI_STATE_COMMON u8 arg_count; /* Number of fixed arguments */ |
474 | union acpi_parse_object *op; /* Current op being parsed */ | |
4be44fcd LB |
475 | u8 *arg_end; /* Current argument end */ |
476 | u8 *pkg_end; /* Current package end */ | |
477 | u32 arg_list; /* Next argument to parse */ | |
1da177e4 LT |
478 | }; |
479 | ||
1da177e4 LT |
480 | /* |
481 | * Thread state - one per thread across multiple walk states. Multiple walk | |
482 | * states are created when there are nested control methods executing. | |
483 | */ | |
4be44fcd | 484 | struct acpi_thread_state { |
61686124 BM |
485 | ACPI_STATE_COMMON u8 current_sync_level; /* Mutex Sync (nested acquire) level */ |
486 | struct acpi_walk_state *walk_state_list; /* Head of list of walk_states for this thread */ | |
4be44fcd | 487 | union acpi_operand_object *acquired_mutex_list; /* List of all currently acquired mutexes */ |
8313524a | 488 | acpi_thread_id thread_id; /* Running thread ID */ |
1da177e4 LT |
489 | }; |
490 | ||
1da177e4 LT |
491 | /* |
492 | * Result values - used to accumulate the results of nested | |
493 | * AML arguments | |
494 | */ | |
4be44fcd | 495 | struct acpi_result_values { |
61686124 | 496 | ACPI_STATE_COMMON u8 num_results; |
4be44fcd | 497 | u8 last_insert; |
61686124 | 498 | union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS]; |
1da177e4 LT |
499 | }; |
500 | ||
1da177e4 | 501 | typedef |
4be44fcd LB |
502 | acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, |
503 | union acpi_parse_object ** out_op); | |
1da177e4 | 504 | |
4be44fcd | 505 | typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); |
1da177e4 LT |
506 | |
507 | /* | |
508 | * Notify info - used to pass info to the deferred notify | |
509 | * handler/dispatcher. | |
510 | */ | |
4be44fcd LB |
511 | struct acpi_notify_info { |
512 | ACPI_STATE_COMMON struct acpi_namespace_node *node; | |
513 | union acpi_operand_object *handler_obj; | |
1da177e4 LT |
514 | }; |
515 | ||
1da177e4 LT |
516 | /* Generic state is union of structs above */ |
517 | ||
4be44fcd LB |
518 | union acpi_generic_state { |
519 | struct acpi_common_state common; | |
520 | struct acpi_control_state control; | |
521 | struct acpi_update_state update; | |
522 | struct acpi_scope_state scope; | |
523 | struct acpi_pscope_state parse_scope; | |
524 | struct acpi_pkg_state pkg; | |
525 | struct acpi_thread_state thread; | |
526 | struct acpi_result_values results; | |
527 | struct acpi_notify_info notify; | |
1da177e4 LT |
528 | }; |
529 | ||
1da177e4 LT |
530 | /***************************************************************************** |
531 | * | |
532 | * Interpreter typedefs and structs | |
533 | * | |
534 | ****************************************************************************/ | |
535 | ||
4be44fcd | 536 | typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state); |
1da177e4 LT |
537 | |
538 | /***************************************************************************** | |
539 | * | |
540 | * Parser typedefs and structs | |
541 | * | |
542 | ****************************************************************************/ | |
543 | ||
544 | /* | |
545 | * AML opcode, name, and argument layout | |
546 | */ | |
4be44fcd | 547 | struct acpi_opcode_info { |
1da177e4 | 548 | #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) |
4be44fcd | 549 | char *name; /* Opcode name (disassembler/debug only) */ |
1da177e4 | 550 | #endif |
4be44fcd LB |
551 | u32 parse_args; /* Grammar/Parse time arguments */ |
552 | u32 runtime_args; /* Interpret time arguments */ | |
61686124 | 553 | u16 flags; /* Misc flags */ |
4be44fcd LB |
554 | u8 object_type; /* Corresponding internal object type */ |
555 | u8 class; /* Opcode class */ | |
556 | u8 type; /* Opcode type */ | |
1da177e4 LT |
557 | }; |
558 | ||
4be44fcd LB |
559 | union acpi_parse_value { |
560 | acpi_integer integer; /* Integer constant (Up to 64 bits) */ | |
561 | struct uint64_struct integer64; /* Structure overlay for 2 32-bit Dwords */ | |
562 | u32 size; /* bytelist or field size */ | |
563 | char *string; /* NULL terminated string */ | |
564 | u8 *buffer; /* buffer or string */ | |
565 | char *name; /* NULL terminated string */ | |
566 | union acpi_parse_object *arg; /* arguments and contained ops */ | |
1da177e4 LT |
567 | }; |
568 | ||
1da177e4 | 569 | #define ACPI_PARSE_COMMON \ |
61686124 BM |
570 | union acpi_parse_object *parent; /* Parent op */\ |
571 | u8 descriptor_type; /* To differentiate various internal objs */\ | |
572 | u8 flags; /* Type of Op */\ | |
573 | u16 aml_opcode; /* AML opcode */\ | |
574 | u32 aml_offset; /* Offset of declaration in AML */\ | |
575 | union acpi_parse_object *next; /* Next op */\ | |
576 | struct acpi_namespace_node *node; /* For use by interpreter */\ | |
577 | union acpi_parse_value value; /* Value or args associated with the opcode */\ | |
1da177e4 | 578 | ACPI_DISASM_ONLY_MEMBERS (\ |
61686124 BM |
579 | u8 disasm_flags; /* Used during AML disassembly */\ |
580 | u8 disasm_opcode; /* Subtype used for disassembly */\ | |
581 | char aml_op_name[16]) /* Op name (debug only) */ | |
582 | ||
583 | #define ACPI_DASM_BUFFER 0x00 | |
584 | #define ACPI_DASM_RESOURCE 0x01 | |
585 | #define ACPI_DASM_STRING 0x02 | |
586 | #define ACPI_DASM_UNICODE 0x03 | |
587 | #define ACPI_DASM_EISAID 0x04 | |
588 | #define ACPI_DASM_MATCHOP 0x05 | |
1da177e4 LT |
589 | |
590 | /* | |
61686124 | 591 | * Generic operation (for example: If, While, Store) |
1da177e4 | 592 | */ |
4be44fcd LB |
593 | struct acpi_parse_obj_common { |
594 | ACPI_PARSE_COMMON}; | |
1da177e4 LT |
595 | |
596 | /* | |
597 | * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions), | |
598 | * and bytelists. | |
599 | */ | |
4be44fcd LB |
600 | struct acpi_parse_obj_named { |
601 | ACPI_PARSE_COMMON u8 * path; | |
602 | u8 *data; /* AML body or bytelist data */ | |
603 | u32 length; /* AML length */ | |
604 | u32 name; /* 4-byte name or zero if no name */ | |
1da177e4 LT |
605 | }; |
606 | ||
61686124 | 607 | /* this version is used by the i_aSL compiler only */ |
1da177e4 | 608 | |
c51a4de8 BM |
609 | #define ACPI_MAX_PARSEOP_NAME 20 |
610 | ||
4be44fcd LB |
611 | struct acpi_parse_obj_asl { |
612 | ACPI_PARSE_COMMON union acpi_parse_object *child; | |
613 | union acpi_parse_object *parent_method; | |
614 | char *filename; | |
615 | char *external_name; | |
616 | char *namepath; | |
617 | char name_seg[4]; | |
618 | u32 extra_value; | |
619 | u32 column; | |
620 | u32 line_number; | |
621 | u32 logical_line_number; | |
622 | u32 logical_byte_offset; | |
623 | u32 end_line; | |
624 | u32 end_logical_line; | |
625 | u32 acpi_btype; | |
626 | u32 aml_length; | |
627 | u32 aml_subtree_length; | |
628 | u32 final_aml_length; | |
629 | u32 final_aml_offset; | |
630 | u32 compile_flags; | |
631 | u16 parse_opcode; | |
632 | u8 aml_opcode_length; | |
633 | u8 aml_pkg_len_bytes; | |
634 | u8 extra; | |
c51a4de8 | 635 | char parse_op_name[ACPI_MAX_PARSEOP_NAME]; |
4be44fcd LB |
636 | }; |
637 | ||
638 | union acpi_parse_object { | |
639 | struct acpi_parse_obj_common common; | |
640 | struct acpi_parse_obj_named named; | |
641 | struct acpi_parse_obj_asl asl; | |
1da177e4 LT |
642 | }; |
643 | ||
1da177e4 LT |
644 | /* |
645 | * Parse state - one state per parser invocation and each control | |
646 | * method. | |
647 | */ | |
4be44fcd | 648 | struct acpi_parse_state { |
4be44fcd LB |
649 | u8 *aml_start; /* First AML byte */ |
650 | u8 *aml; /* Next AML byte */ | |
651 | u8 *aml_end; /* (last + 1) AML byte */ | |
652 | u8 *pkg_start; /* Current package begin */ | |
653 | u8 *pkg_end; /* Current package end */ | |
654 | union acpi_parse_object *start_op; /* Root of parse tree */ | |
655 | struct acpi_namespace_node *start_node; | |
656 | union acpi_generic_state *scope; /* Current scope */ | |
657 | union acpi_parse_object *start_scope; | |
61686124 | 658 | u32 aml_size; |
1da177e4 LT |
659 | }; |
660 | ||
1da177e4 LT |
661 | /* Parse object flags */ |
662 | ||
61686124 BM |
663 | #define ACPI_PARSEOP_GENERIC 0x01 |
664 | #define ACPI_PARSEOP_NAMED 0x02 | |
665 | #define ACPI_PARSEOP_DEFERRED 0x04 | |
666 | #define ACPI_PARSEOP_BYTELIST 0x08 | |
667 | #define ACPI_PARSEOP_IN_CACHE 0x80 | |
1da177e4 LT |
668 | |
669 | /* Parse object disasm_flags */ | |
670 | ||
61686124 BM |
671 | #define ACPI_PARSEOP_IGNORE 0x01 |
672 | #define ACPI_PARSEOP_PARAMLIST 0x02 | |
673 | #define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 | |
674 | #define ACPI_PARSEOP_SPECIAL 0x10 | |
1da177e4 | 675 | |
1da177e4 LT |
676 | /***************************************************************************** |
677 | * | |
678 | * Hardware (ACPI registers) and PNP | |
679 | * | |
680 | ****************************************************************************/ | |
681 | ||
61686124 BM |
682 | #define PCI_ROOT_HID_STRING "PNP0A03" |
683 | #define PCI_EXPRESS_ROOT_HID_STRING "PNP0A08" | |
1da177e4 | 684 | |
4be44fcd LB |
685 | struct acpi_bit_register_info { |
686 | u8 parent_register; | |
687 | u8 bit_position; | |
688 | u16 access_bit_mask; | |
1da177e4 LT |
689 | }; |
690 | ||
1da177e4 LT |
691 | /* |
692 | * Register IDs | |
693 | * These are the full ACPI registers | |
694 | */ | |
695 | #define ACPI_REGISTER_PM1_STATUS 0x01 | |
696 | #define ACPI_REGISTER_PM1_ENABLE 0x02 | |
697 | #define ACPI_REGISTER_PM1_CONTROL 0x03 | |
698 | #define ACPI_REGISTER_PM1A_CONTROL 0x04 | |
699 | #define ACPI_REGISTER_PM1B_CONTROL 0x05 | |
700 | #define ACPI_REGISTER_PM2_CONTROL 0x06 | |
701 | #define ACPI_REGISTER_PM_TIMER 0x07 | |
702 | #define ACPI_REGISTER_PROCESSOR_BLOCK 0x08 | |
703 | #define ACPI_REGISTER_SMI_COMMAND_BLOCK 0x09 | |
704 | ||
1da177e4 LT |
705 | /* Masks used to access the bit_registers */ |
706 | ||
707 | #define ACPI_BITMASK_TIMER_STATUS 0x0001 | |
708 | #define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010 | |
709 | #define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020 | |
710 | #define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100 | |
711 | #define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200 | |
712 | #define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400 | |
4be44fcd | 713 | #define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */ |
1da177e4 LT |
714 | #define ACPI_BITMASK_WAKE_STATUS 0x8000 |
715 | ||
61686124 BM |
716 | #define ACPI_BITMASK_ALL_FIXED_STATUS (\ |
717 | ACPI_BITMASK_TIMER_STATUS | \ | |
718 | ACPI_BITMASK_BUS_MASTER_STATUS | \ | |
719 | ACPI_BITMASK_GLOBAL_LOCK_STATUS | \ | |
720 | ACPI_BITMASK_POWER_BUTTON_STATUS | \ | |
721 | ACPI_BITMASK_SLEEP_BUTTON_STATUS | \ | |
722 | ACPI_BITMASK_RT_CLOCK_STATUS | \ | |
723 | ACPI_BITMASK_WAKE_STATUS) | |
1da177e4 LT |
724 | |
725 | #define ACPI_BITMASK_TIMER_ENABLE 0x0001 | |
726 | #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020 | |
727 | #define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100 | |
728 | #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200 | |
729 | #define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400 | |
4be44fcd | 730 | #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */ |
1da177e4 LT |
731 | |
732 | #define ACPI_BITMASK_SCI_ENABLE 0x0001 | |
733 | #define ACPI_BITMASK_BUS_MASTER_RLD 0x0002 | |
734 | #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004 | |
735 | #define ACPI_BITMASK_SLEEP_TYPE_X 0x1C00 | |
736 | #define ACPI_BITMASK_SLEEP_ENABLE 0x2000 | |
737 | ||
738 | #define ACPI_BITMASK_ARB_DISABLE 0x0001 | |
739 | ||
1da177e4 LT |
740 | /* Raw bit position of each bit_register */ |
741 | ||
742 | #define ACPI_BITPOSITION_TIMER_STATUS 0x00 | |
743 | #define ACPI_BITPOSITION_BUS_MASTER_STATUS 0x04 | |
744 | #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS 0x05 | |
745 | #define ACPI_BITPOSITION_POWER_BUTTON_STATUS 0x08 | |
746 | #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS 0x09 | |
747 | #define ACPI_BITPOSITION_RT_CLOCK_STATUS 0x0A | |
4be44fcd | 748 | #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS 0x0E /* ACPI 3.0 */ |
1da177e4 LT |
749 | #define ACPI_BITPOSITION_WAKE_STATUS 0x0F |
750 | ||
751 | #define ACPI_BITPOSITION_TIMER_ENABLE 0x00 | |
752 | #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE 0x05 | |
753 | #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE 0x08 | |
754 | #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE 0x09 | |
755 | #define ACPI_BITPOSITION_RT_CLOCK_ENABLE 0x0A | |
4be44fcd | 756 | #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE 0x0E /* ACPI 3.0 */ |
1da177e4 LT |
757 | |
758 | #define ACPI_BITPOSITION_SCI_ENABLE 0x00 | |
759 | #define ACPI_BITPOSITION_BUS_MASTER_RLD 0x01 | |
760 | #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE 0x02 | |
761 | #define ACPI_BITPOSITION_SLEEP_TYPE_X 0x0A | |
762 | #define ACPI_BITPOSITION_SLEEP_ENABLE 0x0D | |
763 | ||
764 | #define ACPI_BITPOSITION_ARB_DISABLE 0x00 | |
765 | ||
1da177e4 LT |
766 | /***************************************************************************** |
767 | * | |
768 | * Resource descriptors | |
769 | * | |
770 | ****************************************************************************/ | |
771 | ||
1da177e4 LT |
772 | /* resource_type values */ |
773 | ||
50eca3eb BM |
774 | #define ACPI_ADDRESS_TYPE_MEMORY_RANGE 0 |
775 | #define ACPI_ADDRESS_TYPE_IO_RANGE 1 | |
776 | #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2 | |
1da177e4 LT |
777 | |
778 | /* Resource descriptor types and masks */ | |
779 | ||
50eca3eb BM |
780 | #define ACPI_RESOURCE_NAME_LARGE 0x80 |
781 | #define ACPI_RESOURCE_NAME_SMALL 0x00 | |
1da177e4 | 782 | |
50eca3eb BM |
783 | #define ACPI_RESOURCE_NAME_SMALL_MASK 0x78 /* Bits 6:3 contain the type */ |
784 | #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK 0x07 /* Bits 2:0 contain the length */ | |
785 | #define ACPI_RESOURCE_NAME_LARGE_MASK 0x7F /* Bits 6:0 contain the type */ | |
1da177e4 LT |
786 | |
787 | /* | |
50eca3eb | 788 | * Small resource descriptor "names" as defined by the ACPI specification. |
bda663d3 | 789 | * Note: Bits 2:0 are used for the descriptor length |
1da177e4 | 790 | */ |
50eca3eb BM |
791 | #define ACPI_RESOURCE_NAME_IRQ 0x20 |
792 | #define ACPI_RESOURCE_NAME_DMA 0x28 | |
793 | #define ACPI_RESOURCE_NAME_START_DEPENDENT 0x30 | |
794 | #define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 | |
795 | #define ACPI_RESOURCE_NAME_IO 0x40 | |
796 | #define ACPI_RESOURCE_NAME_FIXED_IO 0x48 | |
797 | #define ACPI_RESOURCE_NAME_RESERVED_S1 0x50 | |
798 | #define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 | |
799 | #define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 | |
800 | #define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 | |
801 | #define ACPI_RESOURCE_NAME_VENDOR_SMALL 0x70 | |
802 | #define ACPI_RESOURCE_NAME_END_TAG 0x78 | |
1da177e4 LT |
803 | |
804 | /* | |
50eca3eb BM |
805 | * Large resource descriptor "names" as defined by the ACPI specification. |
806 | * Note: includes the Large Descriptor bit in bit[7] | |
1da177e4 | 807 | */ |
50eca3eb BM |
808 | #define ACPI_RESOURCE_NAME_MEMORY24 0x81 |
809 | #define ACPI_RESOURCE_NAME_GENERIC_REGISTER 0x82 | |
810 | #define ACPI_RESOURCE_NAME_RESERVED_L1 0x83 | |
811 | #define ACPI_RESOURCE_NAME_VENDOR_LARGE 0x84 | |
812 | #define ACPI_RESOURCE_NAME_MEMORY32 0x85 | |
813 | #define ACPI_RESOURCE_NAME_FIXED_MEMORY32 0x86 | |
814 | #define ACPI_RESOURCE_NAME_ADDRESS32 0x87 | |
815 | #define ACPI_RESOURCE_NAME_ADDRESS16 0x88 | |
816 | #define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 | |
817 | #define ACPI_RESOURCE_NAME_ADDRESS64 0x8A | |
818 | #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B | |
819 | #define ACPI_RESOURCE_NAME_LARGE_MAX 0x8B | |
1da177e4 | 820 | |
1da177e4 LT |
821 | /***************************************************************************** |
822 | * | |
823 | * Miscellaneous | |
824 | * | |
825 | ****************************************************************************/ | |
826 | ||
61686124 | 827 | #define ACPI_ASCII_ZERO 0x30 |
1da177e4 | 828 | |
1da177e4 LT |
829 | /***************************************************************************** |
830 | * | |
831 | * Debugger | |
832 | * | |
833 | ****************************************************************************/ | |
834 | ||
4be44fcd LB |
835 | struct acpi_db_method_info { |
836 | acpi_handle thread_gate; | |
837 | char *name; | |
838 | char **args; | |
839 | u32 flags; | |
840 | u32 num_loops; | |
841 | char pathname[128]; | |
1da177e4 LT |
842 | }; |
843 | ||
4be44fcd LB |
844 | struct acpi_integrity_info { |
845 | u32 nodes; | |
846 | u32 objects; | |
1da177e4 LT |
847 | }; |
848 | ||
61686124 BM |
849 | #define ACPI_DB_REDIRECTABLE_OUTPUT 0x01 |
850 | #define ACPI_DB_CONSOLE_OUTPUT 0x02 | |
851 | #define ACPI_DB_DUPLICATE_OUTPUT 0x03 | |
1da177e4 | 852 | |
1da177e4 LT |
853 | /***************************************************************************** |
854 | * | |
855 | * Debug | |
856 | * | |
857 | ****************************************************************************/ | |
858 | ||
1da177e4 LT |
859 | /* Entry for a memory allocation (debug only) */ |
860 | ||
61686124 BM |
861 | #define ACPI_MEM_MALLOC 0 |
862 | #define ACPI_MEM_CALLOC 1 | |
863 | #define ACPI_MAX_MODULE_NAME 16 | |
1da177e4 LT |
864 | |
865 | #define ACPI_COMMON_DEBUG_MEM_HEADER \ | |
61686124 BM |
866 | struct acpi_debug_mem_block *previous; \ |
867 | struct acpi_debug_mem_block *next; \ | |
868 | u32 size; \ | |
869 | u32 component; \ | |
870 | u32 line; \ | |
871 | char module[ACPI_MAX_MODULE_NAME]; \ | |
872 | u8 alloc_type; | |
1da177e4 | 873 | |
4be44fcd LB |
874 | struct acpi_debug_mem_header { |
875 | ACPI_COMMON_DEBUG_MEM_HEADER}; | |
1da177e4 | 876 | |
4be44fcd LB |
877 | struct acpi_debug_mem_block { |
878 | ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space; | |
1da177e4 LT |
879 | }; |
880 | ||
1da177e4 LT |
881 | #define ACPI_MEM_LIST_GLOBAL 0 |
882 | #define ACPI_MEM_LIST_NSNODE 1 | |
73459f73 RM |
883 | #define ACPI_MEM_LIST_MAX 1 |
884 | #define ACPI_NUM_MEM_LISTS 2 | |
1da177e4 | 885 | |
4be44fcd LB |
886 | struct acpi_memory_list { |
887 | char *list_name; | |
888 | void *list_head; | |
889 | u16 object_size; | |
890 | u16 max_depth; | |
891 | u16 current_depth; | |
892 | u16 link_offset; | |
1da177e4 LT |
893 | |
894 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS | |
895 | ||
896 | /* Statistics for debug memory tracking only */ | |
897 | ||
4be44fcd LB |
898 | u32 total_allocated; |
899 | u32 total_freed; | |
900 | u32 current_total_size; | |
901 | u32 requests; | |
902 | u32 hits; | |
1da177e4 LT |
903 | #endif |
904 | }; | |
905 | ||
4be44fcd | 906 | #endif /* __ACLOCAL_H__ */ |