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