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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Name: acglobal.h - Declarations for global variables | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
75a44ce0 | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
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 __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 | ||
1da177e4 LT |
61 | /***************************************************************************** |
62 | * | |
63 | * Runtime configuration (static defaults that can be overriden at runtime) | |
64 | * | |
65 | ****************************************************************************/ | |
66 | ||
67 | /* | |
68 | * Enable "slack" in the AML interpreter? Default is FALSE, and the | |
69 | * interpreter strictly follows the ACPI specification. Setting to TRUE | |
defba1d8 BM |
70 | * allows the interpreter to ignore certain errors and/or bad AML constructs. |
71 | * | |
72 | * Currently, these features are enabled by this flag: | |
73 | * | |
1da177e4 | 74 | * 1) Allow "implicit return" of last value in a control method |
defba1d8 | 75 | * 2) Allow access beyond the end of an operation region |
1da177e4 LT |
76 | * 3) Allow access to uninitialized locals/args (auto-init to integer 0) |
77 | * 4) Allow ANY object type to be a source operand for the Store() operator | |
defba1d8 | 78 | * 5) Allow unresolved references (invalid target name) in package objects |
793c2388 | 79 | * 6) Enable warning messages for behavior that is not ACPI spec compliant |
1da177e4 | 80 | */ |
4be44fcd | 81 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE); |
1da177e4 LT |
82 | |
83 | /* | |
84 | * Automatically serialize ALL control methods? Default is FALSE, meaning | |
85 | * to use the Serialized/not_serialized method flags on a per method basis. | |
86 | * Only change this if the ASL code is poorly written and cannot handle | |
b229cf92 | 87 | * reentrancy even though methods are marked "NotSerialized". |
1da177e4 | 88 | */ |
4be44fcd | 89 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE); |
1da177e4 LT |
90 | |
91 | /* | |
92 | * Create the predefined _OSI method in the namespace? Default is TRUE | |
93 | * because ACPI CA is fully compatible with other ACPI implementations. | |
94 | * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. | |
95 | */ | |
4be44fcd | 96 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE); |
1da177e4 LT |
97 | |
98 | /* | |
99 | * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and | |
100 | * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only | |
101 | * be enabled just before going to sleep. | |
102 | */ | |
4be44fcd | 103 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE); |
1da177e4 | 104 | |
06f55419 BM |
105 | /* |
106 | * Optionally use default values for the ACPI register widths. Set this to | |
107 | * TRUE to use the defaults, if an FADT contains incorrect widths/lengths. | |
108 | */ | |
4b67a0e4 | 109 | ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE); |
06f55419 | 110 | |
c5a71569 BM |
111 | /***************************************************************************** |
112 | * | |
113 | * Debug support | |
114 | * | |
115 | ****************************************************************************/ | |
116 | ||
117 | /* Runtime configuration of debug print levels */ | |
118 | ||
119 | extern u32 acpi_dbg_level; | |
120 | extern u32 acpi_dbg_layer; | |
121 | ||
122 | /* Procedure nesting level for debug output */ | |
123 | ||
124 | extern u32 acpi_gbl_nesting_level; | |
125 | ||
c5a71569 BM |
126 | /* Support for dynamic control method tracing mechanism */ |
127 | ||
128 | ACPI_EXTERN u32 acpi_gbl_original_dbg_level; | |
129 | ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; | |
130 | ACPI_EXTERN acpi_name acpi_gbl_trace_method_name; | |
131 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; | |
132 | ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; | |
133 | ACPI_EXTERN u32 acpi_gbl_trace_flags; | |
134 | ||
1da177e4 LT |
135 | /***************************************************************************** |
136 | * | |
137 | * ACPI Table globals | |
138 | * | |
139 | ****************************************************************************/ | |
140 | ||
141 | /* | |
f3d2e786 BM |
142 | * acpi_gbl_root_table_list is the master list of ACPI tables found in the |
143 | * RSDT/XSDT. | |
1da177e4 | 144 | * |
f3d2e786 | 145 | * acpi_gbl_FADT is a local copy of the FADT, converted to a common format. |
1da177e4 | 146 | */ |
f3d2e786 BM |
147 | ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list; |
148 | ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT; | |
009c4cbe | 149 | ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS; |
73459f73 | 150 | |
c5a71569 BM |
151 | /* These addresses are calculated from FADT address values */ |
152 | ||
153 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; | |
154 | ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; | |
155 | ||
1da177e4 | 156 | /* |
f3d2e786 BM |
157 | * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is |
158 | * determined by the revision of the DSDT: If the DSDT revision is less than | |
159 | * 2, use only the lower 32 bits of the internal 64-bit Integer. | |
1da177e4 | 160 | */ |
4be44fcd LB |
161 | ACPI_EXTERN u8 acpi_gbl_integer_bit_width; |
162 | ACPI_EXTERN u8 acpi_gbl_integer_byte_width; | |
163 | ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; | |
1da177e4 | 164 | |
967440e3 BM |
165 | /***************************************************************************** |
166 | * | |
167 | * Mutual exlusion within ACPICA subsystem | |
168 | * | |
169 | ****************************************************************************/ | |
170 | ||
1da177e4 | 171 | /* |
f3d2e786 | 172 | * Predefined mutex objects. This array contains the |
1da177e4 LT |
173 | * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. |
174 | * (The table maps local handles to the real OS handles) | |
175 | */ | |
4c90ece2 | 176 | ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX]; |
1da177e4 | 177 | |
967440e3 | 178 | /* |
ba886cd4 BM |
179 | * Global lock mutex is an actual AML mutex object |
180 | * Global lock semaphore works in conjunction with the HW global lock | |
967440e3 | 181 | */ |
ba886cd4 | 182 | ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex; |
967440e3 | 183 | ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore; |
ba886cd4 BM |
184 | ACPI_EXTERN u16 acpi_gbl_global_lock_handle; |
185 | ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; | |
186 | ACPI_EXTERN u8 acpi_gbl_global_lock_present; | |
967440e3 BM |
187 | |
188 | /* | |
189 | * Spinlocks are used for interfaces that can be possibly called at | |
190 | * interrupt level | |
191 | */ | |
192 | ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ | |
193 | ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ | |
194 | #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock | |
195 | #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock | |
196 | ||
1da177e4 LT |
197 | /***************************************************************************** |
198 | * | |
199 | * Miscellaneous globals | |
200 | * | |
201 | ****************************************************************************/ | |
202 | ||
73459f73 RM |
203 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS |
204 | ||
205 | /* Lists for tracking memory allocations */ | |
206 | ||
4be44fcd LB |
207 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; |
208 | ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; | |
d41eb99b | 209 | ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats; |
73459f73 RM |
210 | #endif |
211 | ||
212 | /* Object caches */ | |
213 | ||
61686124 | 214 | ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache; |
4be44fcd LB |
215 | ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache; |
216 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache; | |
217 | ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache; | |
218 | ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache; | |
73459f73 RM |
219 | |
220 | /* Global handlers */ | |
1da177e4 | 221 | |
4be44fcd LB |
222 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; |
223 | ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; | |
224 | ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; | |
225 | ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; | |
3e08e2d2 LM |
226 | ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler; |
227 | ACPI_EXTERN void *acpi_gbl_table_handler_context; | |
4be44fcd | 228 | ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; |
1da177e4 | 229 | |
ba886cd4 BM |
230 | /* Owner ID support */ |
231 | ||
232 | ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]; | |
233 | ACPI_EXTERN u8 acpi_gbl_last_owner_id_index; | |
234 | ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset; | |
235 | ||
73459f73 RM |
236 | /* Misc */ |
237 | ||
4be44fcd LB |
238 | ACPI_EXTERN u32 acpi_gbl_original_mode; |
239 | ACPI_EXTERN u32 acpi_gbl_rsdp_original_location; | |
240 | ACPI_EXTERN u32 acpi_gbl_ns_lookup_count; | |
241 | ACPI_EXTERN u32 acpi_gbl_ps_find_count; | |
4be44fcd | 242 | ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save; |
4be44fcd | 243 | ACPI_EXTERN u8 acpi_gbl_debugger_configuration; |
4be44fcd LB |
244 | ACPI_EXTERN u8 acpi_gbl_step_to_next_call; |
245 | ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; | |
4be44fcd LB |
246 | ACPI_EXTERN u8 acpi_gbl_events_initialized; |
247 | ACPI_EXTERN u8 acpi_gbl_system_awake_and_running; | |
248 | ||
dbaaa956 BM |
249 | #ifndef DEFINE_ACPI_GLOBALS |
250 | ||
251 | /* Other miscellaneous */ | |
252 | ||
4be44fcd LB |
253 | extern u8 acpi_gbl_shutdown; |
254 | extern u32 acpi_gbl_startup_flags; | |
4be44fcd LB |
255 | extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; |
256 | extern const char *acpi_gbl_highest_dstate_names[4]; | |
257 | extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; | |
258 | extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; | |
1da177e4 | 259 | |
dbaaa956 BM |
260 | #endif |
261 | ||
84fb2c97 BM |
262 | /* Exception codes */ |
263 | ||
264 | extern char const *acpi_gbl_exception_names_env[]; | |
265 | extern char const *acpi_gbl_exception_names_pgm[]; | |
266 | extern char const *acpi_gbl_exception_names_tbl[]; | |
267 | extern char const *acpi_gbl_exception_names_aml[]; | |
268 | extern char const *acpi_gbl_exception_names_ctrl[]; | |
269 | ||
1da177e4 LT |
270 | /***************************************************************************** |
271 | * | |
272 | * Namespace globals | |
273 | * | |
274 | ****************************************************************************/ | |
275 | ||
1da177e4 LT |
276 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) |
277 | #define NUM_PREDEFINED_NAMES 10 | |
278 | #else | |
279 | #define NUM_PREDEFINED_NAMES 9 | |
280 | #endif | |
281 | ||
4be44fcd LB |
282 | ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct; |
283 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node; | |
284 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device; | |
1da177e4 | 285 | |
b7f9f042 | 286 | extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; |
4be44fcd LB |
287 | extern const struct acpi_predefined_names |
288 | acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; | |
1da177e4 LT |
289 | |
290 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd LB |
291 | ACPI_EXTERN u32 acpi_gbl_current_node_count; |
292 | ACPI_EXTERN u32 acpi_gbl_current_node_size; | |
293 | ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count; | |
b7f9f042 BM |
294 | ACPI_EXTERN acpi_size *acpi_gbl_entry_stack_pointer; |
295 | ACPI_EXTERN acpi_size *acpi_gbl_lowest_stack_pointer; | |
4be44fcd | 296 | ACPI_EXTERN u32 acpi_gbl_deepest_nesting; |
1da177e4 LT |
297 | #endif |
298 | ||
299 | /***************************************************************************** | |
300 | * | |
301 | * Interpreter globals | |
302 | * | |
303 | ****************************************************************************/ | |
304 | ||
4be44fcd | 305 | ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list; |
1da177e4 LT |
306 | |
307 | /* Control method single step flag */ | |
308 | ||
4be44fcd | 309 | ACPI_EXTERN u8 acpi_gbl_cm_single_step; |
1da177e4 | 310 | |
1da177e4 LT |
311 | /***************************************************************************** |
312 | * | |
313 | * Hardware globals | |
314 | * | |
315 | ****************************************************************************/ | |
316 | ||
4be44fcd LB |
317 | extern struct acpi_bit_register_info |
318 | acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; | |
319 | ACPI_EXTERN u8 acpi_gbl_sleep_type_a; | |
320 | ACPI_EXTERN u8 acpi_gbl_sleep_type_b; | |
1da177e4 LT |
321 | |
322 | /***************************************************************************** | |
323 | * | |
324 | * Event and GPE globals | |
325 | * | |
326 | ****************************************************************************/ | |
327 | ||
4be44fcd LB |
328 | extern struct acpi_fixed_event_info |
329 | acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; | |
330 | ACPI_EXTERN struct acpi_fixed_event_handler | |
331 | acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; | |
332 | ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; | |
333 | ACPI_EXTERN struct acpi_gpe_block_info | |
fd350943 | 334 | *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; |
e97d6bf1 | 335 | ACPI_EXTERN u32 acpi_current_gpe_count; |
4c90ece2 | 336 | |
1da177e4 LT |
337 | /***************************************************************************** |
338 | * | |
339 | * Debugger globals | |
340 | * | |
341 | ****************************************************************************/ | |
342 | ||
4be44fcd | 343 | ACPI_EXTERN u8 acpi_gbl_db_output_flags; |
1da177e4 LT |
344 | |
345 | #ifdef ACPI_DISASSEMBLER | |
346 | ||
4be44fcd LB |
347 | ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; |
348 | ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; | |
1da177e4 LT |
349 | #endif |
350 | ||
1da177e4 LT |
351 | #ifdef ACPI_DEBUGGER |
352 | ||
4be44fcd LB |
353 | extern u8 acpi_gbl_method_executing; |
354 | extern u8 acpi_gbl_abort_method; | |
355 | extern u8 acpi_gbl_db_terminate_threads; | |
356 | ||
357 | ACPI_EXTERN int optind; | |
358 | ACPI_EXTERN char *optarg; | |
359 | ||
360 | ACPI_EXTERN u8 acpi_gbl_db_opt_tables; | |
361 | ACPI_EXTERN u8 acpi_gbl_db_opt_stats; | |
362 | ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; | |
363 | ||
364 | ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; | |
365 | ACPI_EXTERN char acpi_gbl_db_line_buf[80]; | |
366 | ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; | |
367 | ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; | |
368 | ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; | |
369 | ACPI_EXTERN u8 acpi_gbl_db_output_to_file; | |
370 | ACPI_EXTERN char *acpi_gbl_db_buffer; | |
371 | ACPI_EXTERN char *acpi_gbl_db_filename; | |
372 | ACPI_EXTERN u32 acpi_gbl_db_debug_level; | |
373 | ACPI_EXTERN u32 acpi_gbl_db_console_debug_level; | |
374 | ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr; | |
375 | ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node; | |
1da177e4 LT |
376 | |
377 | /* | |
378 | * Statistic globals | |
379 | */ | |
4be44fcd LB |
380 | ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; |
381 | ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]; | |
382 | ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc; | |
383 | ACPI_EXTERN u16 acpi_gbl_node_type_count_misc; | |
384 | ACPI_EXTERN u32 acpi_gbl_num_nodes; | |
385 | ACPI_EXTERN u32 acpi_gbl_num_objects; | |
1da177e4 | 386 | |
4be44fcd LB |
387 | ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree; |
388 | ACPI_EXTERN u32 acpi_gbl_size_of_method_trees; | |
389 | ACPI_EXTERN u32 acpi_gbl_size_of_node_entries; | |
390 | ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; | |
1da177e4 | 391 | |
4be44fcd | 392 | #endif /* ACPI_DEBUGGER */ |
1da177e4 | 393 | |
4be44fcd | 394 | #endif /* __ACGLOBAL_H__ */ |