ACPI: ACPICA 20060526
[deliverable/linux.git] / include / acpi / acglobal.h
CommitLineData
1da177e4
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1/******************************************************************************
2 *
3 * Name: acglobal.h - Declarations for global variables
4 *
5 *****************************************************************************/
6
7/*
4a90c7e8 8 * Copyright (C) 2000 - 2006, R. Byron Moore
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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
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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 */
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65ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
66ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
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67
68/*****************************************************************************
69 *
70 * Debug support
71 *
72 ****************************************************************************/
73
74/* Runtime configuration of debug print levels */
75
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76extern u32 acpi_dbg_level;
77extern u32 acpi_dbg_layer;
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78
79/* Procedure nesting level for debug output */
80
4be44fcd 81extern u32 acpi_gbl_nesting_level;
1da177e4 82
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83/* Support for dynamic control method tracing mechanism */
84
85ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
86ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
87ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
88ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
89ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
90ACPI_EXTERN u32 acpi_gbl_trace_flags;
91
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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
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101 * allows the interpreter to ignore certain errors and/or bad AML constructs.
102 *
103 * Currently, these features are enabled by this flag:
104 *
1da177e4 105 * 1) Allow "implicit return" of last value in a control method
defba1d8 106 * 2) Allow access beyond the end of an operation region
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107 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
108 * 4) Allow ANY object type to be a source operand for the Store() operator
defba1d8 109 * 5) Allow unresolved references (invalid target name) in package objects
793c2388 110 * 6) Enable warning messages for behavior that is not ACPI spec compliant
1da177e4 111 */
4be44fcd 112ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
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113
114/*
115 * Automatically serialize ALL control methods? Default is FALSE, meaning
116 * to use the Serialized/not_serialized method flags on a per method basis.
117 * Only change this if the ASL code is poorly written and cannot handle
b229cf92 118 * reentrancy even though methods are marked "NotSerialized".
1da177e4 119 */
4be44fcd 120ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
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121
122/*
123 * Create the predefined _OSI method in the namespace? Default is TRUE
124 * because ACPI CA is fully compatible with other ACPI implementations.
125 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
126 */
4be44fcd 127ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
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128
129/*
130 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
131 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
132 * be enabled just before going to sleep.
133 */
4be44fcd 134ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
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135
136/*****************************************************************************
137 *
138 * ACPI Table globals
139 *
140 ****************************************************************************/
141
142/*
143 * Table pointers.
144 * Although these pointers are somewhat redundant with the global acpi_table,
145 * they are convenient because they are typed pointers.
146 *
147 * These tables are single-table only; meaning that there can be at most one
148 * of each in the system. Each global points to the actual table.
149 */
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150ACPI_EXTERN u32 acpi_gbl_table_flags;
151ACPI_EXTERN u32 acpi_gbl_rsdt_table_count;
152ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP;
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153ACPI_EXTERN struct xsdt_descriptor *acpi_gbl_XSDT;
154ACPI_EXTERN struct fadt_descriptor *acpi_gbl_FADT;
4be44fcd 155ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
793c2388 156ACPI_EXTERN struct facs_descriptor *acpi_gbl_FACS;
4be44fcd 157ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS;
1da177e4 158/*
44f6c012 159 * Since there may be multiple SSDTs and PSDTs, a single pointer is not
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160 * sufficient; Therefore, there isn't one!
161 */
162
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163/* The root table can be either an RSDT or an XSDT */
164
4be44fcd 165ACPI_EXTERN u8 acpi_gbl_root_table_type;
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166#define ACPI_TABLE_TYPE_RSDT 'R'
167#define ACPI_TABLE_TYPE_XSDT 'X'
168
1da177e4 169/*
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170 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths:
171 * If we are executing a method that exists in a 32-bit ACPI table,
172 * use only the lower 32 bits of the (internal) 64-bit Integer.
1da177e4 173 */
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174ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
175ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
176ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
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177
178/*
179 * ACPI Table info arrays
180 */
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181extern struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
182extern struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1];
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183
184/*
185 * Predefined mutex objects. This array contains the
186 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
187 * (The table maps local handles to the real OS handles)
188 */
4be44fcd 189ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX];
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190
191/*****************************************************************************
192 *
193 * Miscellaneous globals
194 *
195 ****************************************************************************/
196
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197#ifdef ACPI_DBG_TRACK_ALLOCATIONS
198
199/* Lists for tracking memory allocations */
200
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201ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
202ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
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203#endif
204
205/* Object caches */
206
61686124 207ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
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208ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
209ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
210ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
211ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
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212
213/* Global handlers */
1da177e4 214
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215ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
216ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
217ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
218ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
219ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
220ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore;
1da177e4 221
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222/* Misc */
223
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224ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count;
225ACPI_EXTERN u32 acpi_gbl_original_mode;
226ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
227ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
228ACPI_EXTERN u32 acpi_gbl_ps_find_count;
28f55ebc 229ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
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230ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
231ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
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232ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
233ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
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234ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
235ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
236ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
237ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
238ACPI_EXTERN u8 acpi_gbl_global_lock_present;
239ACPI_EXTERN u8 acpi_gbl_events_initialized;
240ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
241
242extern u8 acpi_gbl_shutdown;
243extern u32 acpi_gbl_startup_flags;
244extern const u8 acpi_gbl_decode_to8bit[8];
245extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
246extern const char *acpi_gbl_highest_dstate_names[4];
247extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
248extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
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249
250/*****************************************************************************
251 *
252 * Namespace globals
253 *
254 ****************************************************************************/
255
256#define NUM_NS_TYPES ACPI_TYPE_INVALID+1
257
258#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
259#define NUM_PREDEFINED_NAMES 10
260#else
261#define NUM_PREDEFINED_NAMES 9
262#endif
263
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264ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
265ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
266ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
1da177e4 267
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268extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES];
269extern const struct acpi_predefined_names
270 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
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271
272#ifdef ACPI_DEBUG_OUTPUT
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273ACPI_EXTERN u32 acpi_gbl_current_node_count;
274ACPI_EXTERN u32 acpi_gbl_current_node_size;
275ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
276ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer;
277ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer;
278ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
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279#endif
280
281/*****************************************************************************
282 *
283 * Interpreter globals
284 *
285 ****************************************************************************/
286
4be44fcd 287ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
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288
289/* Control method single step flag */
290
4be44fcd 291ACPI_EXTERN u8 acpi_gbl_cm_single_step;
1da177e4 292
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293/*****************************************************************************
294 *
295 * Hardware globals
296 *
297 ****************************************************************************/
298
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299extern struct acpi_bit_register_info
300 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
301ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
302ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
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303
304/*****************************************************************************
305 *
306 * Event and GPE globals
307 *
308 ****************************************************************************/
309
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310extern struct acpi_fixed_event_info
311 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
312ACPI_EXTERN struct acpi_fixed_event_handler
313 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
314ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
315ACPI_EXTERN struct acpi_gpe_block_info
316 *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
317ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock;
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318
319/*****************************************************************************
320 *
321 * Debugger globals
322 *
323 ****************************************************************************/
324
4be44fcd 325ACPI_EXTERN u8 acpi_gbl_db_output_flags;
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326
327#ifdef ACPI_DISASSEMBLER
328
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329ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
330ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
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331#endif
332
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333#ifdef ACPI_DEBUGGER
334
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335extern u8 acpi_gbl_method_executing;
336extern u8 acpi_gbl_abort_method;
337extern u8 acpi_gbl_db_terminate_threads;
338
339ACPI_EXTERN int optind;
340ACPI_EXTERN char *optarg;
341
342ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
343ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
344ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
345
346ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
347ACPI_EXTERN char acpi_gbl_db_line_buf[80];
348ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
349ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
350ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
351ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
352ACPI_EXTERN char *acpi_gbl_db_buffer;
353ACPI_EXTERN char *acpi_gbl_db_filename;
354ACPI_EXTERN u32 acpi_gbl_db_debug_level;
355ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
356ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr;
357ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
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358
359/*
360 * Statistic globals
361 */
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362ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
363ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
364ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
365ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
366ACPI_EXTERN u32 acpi_gbl_num_nodes;
367ACPI_EXTERN u32 acpi_gbl_num_objects;
1da177e4 368
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369ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
370ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
371ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
372ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
1da177e4 373
4be44fcd 374#endif /* ACPI_DEBUGGER */
1da177e4 375
4be44fcd 376#endif /* __ACGLOBAL_H__ */
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