1/******************************************************************************
2 *
3 * Name: acglobal.h - Declarations for global variables
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, Intel Corp.
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 * Globals related to the ACPI tables
50 *
51 ****************************************************************************/
52
53/* Master list of all ACPI tables that were found in the RSDT/XSDT */
54
55ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
56
57/* DSDT information. Used to check for DSDT corruption */
58
59ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
60ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
61
62#if (!ACPI_REDUCED_HARDWARE)
63ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
64
65#endif				/* !ACPI_REDUCED_HARDWARE */
66
67/* These addresses are calculated from the FADT Event Block addresses */
68
69ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
70ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
71
72ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
73ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
74
75/*
76 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
77 * determined by the revision of the DSDT: If the DSDT revision is less than
78 * 2, use only the lower 32 bits of the internal 64-bit Integer.
79 */
80ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
81ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
82ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
83
84/*****************************************************************************
85 *
86 * Mutual exclusion within ACPICA subsystem
87 *
88 ****************************************************************************/
89
90/*
91 * Predefined mutex objects. This array contains the
92 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
93 * (The table maps local handles to the real OS handles)
94 */
95ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
96
97/*
98 * Global lock mutex is an actual AML mutex object
99 * Global lock semaphore works in conjunction with the actual global lock
100 * Global lock spinlock is used for "pending" handshake
101 */
102ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
103ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
104ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
105ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
106ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
107ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
108ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
109
110/*
111 * Spinlocks are used for interfaces that can be possibly called at
112 * interrupt level
113 */
114ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock);	/* For GPE data structs and registers */
115ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock);	/* For ACPI H/W except GPE registers */
116ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
117
118/* Mutex for _OSI support */
119
120ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
121
122/* Reader/Writer lock is used for namespace walk and dynamic table unload */
123
124ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
125
126/*****************************************************************************
127 *
128 * Miscellaneous globals
129 *
130 ****************************************************************************/
131
132/* Object caches */
133
134ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
135ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
136ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
137ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
138ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
139
140/* System */
141
142ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
143ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
144
145/* Global handlers */
146
147ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
148ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
149ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
150ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
151ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
152ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
153ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
154
155/* Owner ID support */
156
157ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
158ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
159ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
160
161/* Initialization sequencing */
162
163ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
164
165/* Misc */
166
167ACPI_GLOBAL(u32, acpi_gbl_original_mode);
168ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
169ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
170ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
171ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
172ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
173ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
174ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
175ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
176ACPI_GLOBAL(struct acpi_address_range *,
177	    acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
178
179/* Other miscellaneous, declared and initialized in utglobal */
180
181extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
182extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
183extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
184extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
185extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
186
187#ifdef ACPI_DBG_TRACK_ALLOCATIONS
188
189/* Lists for tracking memory allocations (debug only) */
190
191ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
192ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
193ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
194ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
195#endif
196
197/*****************************************************************************
198 *
199 * Namespace globals
200 *
201 ****************************************************************************/
202
203#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
204#define NUM_PREDEFINED_NAMES            10
205#else
206#define NUM_PREDEFINED_NAMES            9
207#endif
208
209ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
210ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
211ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
212ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
213
214extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
215extern const struct acpi_predefined_names
216    acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
217
218#ifdef ACPI_DEBUG_OUTPUT
219ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
220ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
221ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
222ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
223ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
224ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
225ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
226#endif
227
228/*****************************************************************************
229 *
230 * Interpreter globals
231 *
232 ****************************************************************************/
233
234ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
235
236/* Control method single step flag */
237
238ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
239
240/*****************************************************************************
241 *
242 * Hardware globals
243 *
244 ****************************************************************************/
245
246extern struct acpi_bit_register_info
247    acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
248
249ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
250ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
251
252/*****************************************************************************
253 *
254 * Event and GPE globals
255 *
256 ****************************************************************************/
257
258#if (!ACPI_REDUCED_HARDWARE)
259
260ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
261ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
262ACPI_GLOBAL(struct acpi_gpe_block_info *,
263	    acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
264ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
265ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
266ACPI_GLOBAL(struct acpi_fixed_event_handler,
267	    acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
268
269extern struct acpi_fixed_event_info
270    acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
271
272#endif				/* !ACPI_REDUCED_HARDWARE */
273
274/*****************************************************************************
275 *
276 * Debug support
277 *
278 ****************************************************************************/
279
280/* Event counters */
281
282ACPI_GLOBAL(u32, acpi_method_count);
283ACPI_GLOBAL(u32, acpi_gpe_count);
284ACPI_GLOBAL(u32, acpi_sci_count);
285ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
286
287/* Support for dynamic control method tracing mechanism */
288
289ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
290ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
291ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level);
292ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer);
293
294/*****************************************************************************
295 *
296 * Debugger and Disassembler globals
297 *
298 ****************************************************************************/
299
300ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
301
302#ifdef ACPI_DISASSEMBLER
303
304/* Do not disassemble buffers to resource descriptors */
305
306ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
307ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
308ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
309ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
310
311ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm);
312ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose);
313ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
314ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
315ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
316ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
317#endif
318
319#ifdef ACPI_DEBUGGER
320
321ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE);
322ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
323ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
324
325ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
326ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
327ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
328ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
329ACPI_GLOBAL(char *, acpi_gbl_db_filename);
330ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
331ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
332ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
333
334ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
335ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
336
337/* These buffers should all be the same size */
338
339ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
340ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
341ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
342ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
343
344/*
345 * Statistic globals
346 */
347ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
348ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
349ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
350ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
351ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
352ACPI_GLOBAL(u32, acpi_gbl_num_objects);
353
354#endif				/* ACPI_DEBUGGER */
355
356/*****************************************************************************
357 *
358 * Application globals
359 *
360 ****************************************************************************/
361
362#ifdef ACPI_APPLICATION
363
364ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
365ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
366
367/* Print buffer */
368
369ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock);	/* For print buffer */
370ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
371
372#endif				/* ACPI_APPLICATION */
373
374/*****************************************************************************
375 *
376 * Info/help support
377 *
378 ****************************************************************************/
379
380extern const struct ah_predefined_name asl_predefined_info[];
381extern const struct ah_device_id asl_device_ids[];
382
383#endif				/* __ACGLOBAL_H__ */
384