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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: acglobal.h - Declarations for global variables | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2005, R. Byron Moore | |
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 __ACGLOBAL_H__ | |
45 | #define __ACGLOBAL_H__ | |
46 | ||
1da177e4 LT |
47 | /* |
48 | * Ensure that the globals are actually defined and initialized only once. | |
49 | * | |
50 | * The use of these macros allows a single list of globals (here) in order | |
51 | * to simplify maintenance of the code. | |
52 | */ | |
53 | #ifdef DEFINE_ACPI_GLOBALS | |
54 | #define ACPI_EXTERN | |
55 | #define ACPI_INIT_GLOBAL(a,b) a=b | |
56 | #else | |
57 | #define ACPI_EXTERN extern | |
58 | #define ACPI_INIT_GLOBAL(a,b) a | |
59 | #endif | |
60 | ||
61 | /* | |
62 | * Keep local copies of these FADT-based registers. NOTE: These globals | |
63 | * are first in this file for alignment reasons on 64-bit systems. | |
64 | */ | |
4be44fcd LB |
65 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; |
66 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; | |
1da177e4 LT |
67 | |
68 | /***************************************************************************** | |
69 | * | |
70 | * Debug support | |
71 | * | |
72 | ****************************************************************************/ | |
73 | ||
74 | /* Runtime configuration of debug print levels */ | |
75 | ||
4be44fcd LB |
76 | extern u32 acpi_dbg_level; |
77 | extern u32 acpi_dbg_layer; | |
1da177e4 LT |
78 | |
79 | /* Procedure nesting level for debug output */ | |
80 | ||
4be44fcd | 81 | extern u32 acpi_gbl_nesting_level; |
1da177e4 | 82 | |
50eca3eb BM |
83 | /* Support for dynamic control method tracing mechanism */ |
84 | ||
85 | ACPI_EXTERN u32 acpi_gbl_original_dbg_level; | |
86 | ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; | |
87 | ACPI_EXTERN acpi_name acpi_gbl_trace_method_name; | |
88 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; | |
89 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; | |
90 | ACPI_EXTERN u32 acpi_gbl_trace_flags; | |
91 | ||
1da177e4 LT |
92 | /***************************************************************************** |
93 | * | |
94 | * Runtime configuration (static defaults that can be overriden at runtime) | |
95 | * | |
96 | ****************************************************************************/ | |
97 | ||
98 | /* | |
99 | * Enable "slack" in the AML interpreter? Default is FALSE, and the | |
100 | * interpreter strictly follows the ACPI specification. Setting to TRUE | |
101 | * allows the interpreter to forgive certain bad AML constructs. Currently: | |
102 | * 1) Allow "implicit return" of last value in a control method | |
103 | * 2) Allow access beyond end of operation region | |
104 | * 3) Allow access to uninitialized locals/args (auto-init to integer 0) | |
105 | * 4) Allow ANY object type to be a source operand for the Store() operator | |
106 | */ | |
4be44fcd | 107 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE); |
1da177e4 LT |
108 | |
109 | /* | |
110 | * Automatically serialize ALL control methods? Default is FALSE, meaning | |
111 | * to use the Serialized/not_serialized method flags on a per method basis. | |
112 | * Only change this if the ASL code is poorly written and cannot handle | |
113 | * reentrancy even though methods are marked "not_serialized". | |
114 | */ | |
4be44fcd | 115 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE); |
1da177e4 LT |
116 | |
117 | /* | |
118 | * Create the predefined _OSI method in the namespace? Default is TRUE | |
119 | * because ACPI CA is fully compatible with other ACPI implementations. | |
120 | * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. | |
121 | */ | |
4be44fcd | 122 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE); |
1da177e4 LT |
123 | |
124 | /* | |
125 | * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and | |
126 | * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only | |
127 | * be enabled just before going to sleep. | |
128 | */ | |
4be44fcd | 129 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE); |
1da177e4 LT |
130 | |
131 | /***************************************************************************** | |
132 | * | |
133 | * ACPI Table globals | |
134 | * | |
135 | ****************************************************************************/ | |
136 | ||
137 | /* | |
138 | * Table pointers. | |
139 | * Although these pointers are somewhat redundant with the global acpi_table, | |
140 | * they are convenient because they are typed pointers. | |
141 | * | |
142 | * These tables are single-table only; meaning that there can be at most one | |
143 | * of each in the system. Each global points to the actual table. | |
144 | */ | |
4be44fcd LB |
145 | ACPI_EXTERN u32 acpi_gbl_table_flags; |
146 | ACPI_EXTERN u32 acpi_gbl_rsdt_table_count; | |
147 | ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP; | |
148 | ACPI_EXTERN XSDT_DESCRIPTOR *acpi_gbl_XSDT; | |
149 | ACPI_EXTERN FADT_DESCRIPTOR *acpi_gbl_FADT; | |
150 | ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT; | |
151 | ACPI_EXTERN FACS_DESCRIPTOR *acpi_gbl_FACS; | |
152 | ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS; | |
1da177e4 | 153 | /* |
44f6c012 | 154 | * Since there may be multiple SSDTs and PSDTs, a single pointer is not |
1da177e4 LT |
155 | * sufficient; Therefore, there isn't one! |
156 | */ | |
157 | ||
73459f73 RM |
158 | /* The root table can be either an RSDT or an XSDT */ |
159 | ||
4be44fcd | 160 | ACPI_EXTERN u8 acpi_gbl_root_table_type; |
73459f73 RM |
161 | #define ACPI_TABLE_TYPE_RSDT 'R' |
162 | #define ACPI_TABLE_TYPE_XSDT 'X' | |
163 | ||
1da177e4 | 164 | /* |
44f6c012 RM |
165 | * Handle both ACPI 1.0 and ACPI 2.0 Integer widths: |
166 | * If we are executing a method that exists in a 32-bit ACPI table, | |
167 | * use only the lower 32 bits of the (internal) 64-bit Integer. | |
1da177e4 | 168 | */ |
4be44fcd LB |
169 | ACPI_EXTERN u8 acpi_gbl_integer_bit_width; |
170 | ACPI_EXTERN u8 acpi_gbl_integer_byte_width; | |
171 | ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; | |
1da177e4 LT |
172 | |
173 | /* | |
174 | * ACPI Table info arrays | |
175 | */ | |
4be44fcd LB |
176 | extern struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; |
177 | extern struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES]; | |
1da177e4 LT |
178 | |
179 | /* | |
180 | * Predefined mutex objects. This array contains the | |
181 | * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. | |
182 | * (The table maps local handles to the real OS handles) | |
183 | */ | |
4be44fcd | 184 | ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX]; |
1da177e4 LT |
185 | |
186 | /***************************************************************************** | |
187 | * | |
188 | * Miscellaneous globals | |
189 | * | |
190 | ****************************************************************************/ | |
191 | ||
73459f73 RM |
192 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS |
193 | ||
194 | /* Lists for tracking memory allocations */ | |
195 | ||
4be44fcd LB |
196 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; |
197 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; | |
73459f73 RM |
198 | #endif |
199 | ||
200 | /* Object caches */ | |
201 | ||
4be44fcd LB |
202 | ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache; |
203 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache; | |
204 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache; | |
205 | ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache; | |
73459f73 RM |
206 | |
207 | /* Global handlers */ | |
1da177e4 | 208 | |
4be44fcd LB |
209 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; |
210 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; | |
211 | ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; | |
212 | ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; | |
213 | ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; | |
214 | ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore; | |
1da177e4 | 215 | |
73459f73 RM |
216 | /* Misc */ |
217 | ||
4be44fcd LB |
218 | ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count; |
219 | ACPI_EXTERN u32 acpi_gbl_original_mode; | |
220 | ACPI_EXTERN u32 acpi_gbl_rsdp_original_location; | |
221 | ACPI_EXTERN u32 acpi_gbl_ns_lookup_count; | |
222 | ACPI_EXTERN u32 acpi_gbl_ps_find_count; | |
223 | ACPI_EXTERN u32 acpi_gbl_owner_id_mask; | |
224 | ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save; | |
225 | ACPI_EXTERN u16 acpi_gbl_global_lock_handle; | |
c51a4de8 | 226 | ACPI_EXTERN u8 acpi_gbl_last_owner_id; |
4be44fcd LB |
227 | ACPI_EXTERN u8 acpi_gbl_debugger_configuration; |
228 | ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; | |
229 | ACPI_EXTERN u8 acpi_gbl_step_to_next_call; | |
230 | ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; | |
231 | ACPI_EXTERN u8 acpi_gbl_global_lock_present; | |
232 | ACPI_EXTERN u8 acpi_gbl_events_initialized; | |
233 | ACPI_EXTERN u8 acpi_gbl_system_awake_and_running; | |
234 | ||
235 | extern u8 acpi_gbl_shutdown; | |
236 | extern u32 acpi_gbl_startup_flags; | |
237 | extern const u8 acpi_gbl_decode_to8bit[8]; | |
238 | extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; | |
239 | extern const char *acpi_gbl_highest_dstate_names[4]; | |
240 | extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; | |
241 | extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; | |
242 | extern const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS]; | |
1da177e4 LT |
243 | |
244 | /***************************************************************************** | |
245 | * | |
246 | * Namespace globals | |
247 | * | |
248 | ****************************************************************************/ | |
249 | ||
250 | #define NUM_NS_TYPES ACPI_TYPE_INVALID+1 | |
251 | ||
252 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
253 | #define NUM_PREDEFINED_NAMES 10 | |
254 | #else | |
255 | #define NUM_PREDEFINED_NAMES 9 | |
256 | #endif | |
257 | ||
4be44fcd LB |
258 | ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct; |
259 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node; | |
260 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device; | |
1da177e4 | 261 | |
4be44fcd LB |
262 | extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES]; |
263 | extern const struct acpi_predefined_names | |
264 | acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; | |
1da177e4 LT |
265 | |
266 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd LB |
267 | ACPI_EXTERN u32 acpi_gbl_current_node_count; |
268 | ACPI_EXTERN u32 acpi_gbl_current_node_size; | |
269 | ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count; | |
270 | ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer; | |
271 | ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer; | |
272 | ACPI_EXTERN u32 acpi_gbl_deepest_nesting; | |
1da177e4 LT |
273 | #endif |
274 | ||
275 | /***************************************************************************** | |
276 | * | |
277 | * Interpreter globals | |
278 | * | |
279 | ****************************************************************************/ | |
280 | ||
4be44fcd | 281 | ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list; |
1da177e4 LT |
282 | |
283 | /* Control method single step flag */ | |
284 | ||
4be44fcd | 285 | ACPI_EXTERN u8 acpi_gbl_cm_single_step; |
1da177e4 LT |
286 | |
287 | /***************************************************************************** | |
288 | * | |
289 | * Parser globals | |
290 | * | |
291 | ****************************************************************************/ | |
292 | ||
4be44fcd | 293 | ACPI_EXTERN union acpi_parse_object *acpi_gbl_parsed_namespace_root; |
44f6c012 | 294 | |
1da177e4 LT |
295 | /***************************************************************************** |
296 | * | |
297 | * Hardware globals | |
298 | * | |
299 | ****************************************************************************/ | |
300 | ||
4be44fcd LB |
301 | extern struct acpi_bit_register_info |
302 | acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; | |
303 | ACPI_EXTERN u8 acpi_gbl_sleep_type_a; | |
304 | ACPI_EXTERN u8 acpi_gbl_sleep_type_b; | |
1da177e4 LT |
305 | |
306 | /***************************************************************************** | |
307 | * | |
308 | * Event and GPE globals | |
309 | * | |
310 | ****************************************************************************/ | |
311 | ||
4be44fcd LB |
312 | extern struct acpi_fixed_event_info |
313 | acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; | |
314 | ACPI_EXTERN struct acpi_fixed_event_handler | |
315 | acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; | |
316 | ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; | |
317 | ACPI_EXTERN struct acpi_gpe_block_info | |
318 | *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; | |
319 | ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock; | |
1da177e4 LT |
320 | |
321 | /***************************************************************************** | |
322 | * | |
323 | * Debugger globals | |
324 | * | |
325 | ****************************************************************************/ | |
326 | ||
4be44fcd | 327 | ACPI_EXTERN u8 acpi_gbl_db_output_flags; |
1da177e4 LT |
328 | |
329 | #ifdef ACPI_DISASSEMBLER | |
330 | ||
4be44fcd LB |
331 | ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; |
332 | ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; | |
1da177e4 LT |
333 | #endif |
334 | ||
1da177e4 LT |
335 | #ifdef ACPI_DEBUGGER |
336 | ||
4be44fcd LB |
337 | extern u8 acpi_gbl_method_executing; |
338 | extern u8 acpi_gbl_abort_method; | |
339 | extern u8 acpi_gbl_db_terminate_threads; | |
340 | ||
341 | ACPI_EXTERN int optind; | |
342 | ACPI_EXTERN char *optarg; | |
343 | ||
344 | ACPI_EXTERN u8 acpi_gbl_db_opt_tables; | |
345 | ACPI_EXTERN u8 acpi_gbl_db_opt_stats; | |
346 | ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; | |
347 | ||
348 | ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; | |
349 | ACPI_EXTERN char acpi_gbl_db_line_buf[80]; | |
350 | ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; | |
351 | ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; | |
352 | ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; | |
353 | ACPI_EXTERN u8 acpi_gbl_db_output_to_file; | |
354 | ACPI_EXTERN char *acpi_gbl_db_buffer; | |
355 | ACPI_EXTERN char *acpi_gbl_db_filename; | |
356 | ACPI_EXTERN u32 acpi_gbl_db_debug_level; | |
357 | ACPI_EXTERN u32 acpi_gbl_db_console_debug_level; | |
358 | ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr; | |
359 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node; | |
1da177e4 LT |
360 | |
361 | /* | |
362 | * Statistic globals | |
363 | */ | |
4be44fcd LB |
364 | ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; |
365 | ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; | |
366 | ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc; | |
367 | ACPI_EXTERN u16 acpi_gbl_node_type_count_misc; | |
368 | ACPI_EXTERN u32 acpi_gbl_num_nodes; | |
369 | ACPI_EXTERN u32 acpi_gbl_num_objects; | |
1da177e4 | 370 | |
4be44fcd LB |
371 | ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree; |
372 | ACPI_EXTERN u32 acpi_gbl_size_of_method_trees; | |
373 | ACPI_EXTERN u32 acpi_gbl_size_of_node_entries; | |
374 | ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; | |
1da177e4 | 375 | |
4be44fcd | 376 | #endif /* ACPI_DEBUGGER */ |
1da177e4 | 377 | |
4be44fcd | 378 | #endif /* __ACGLOBAL_H__ */ |