Linux 4.1.16
[linux/fpc-iii.git] / drivers / acpi / acpica / acglobal.h
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1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2015, Intel Corp.
9 * All rights reserved.
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
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20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
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.
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
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40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
47 /*****************************************************************************
49 * Globals related to the ACPI tables
51 ****************************************************************************/
53 /* Master list of all ACPI tables that were found in the RSDT/XSDT */
55 ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
57 /* DSDT information. Used to check for DSDT corruption */
59 ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
60 ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
62 #if (!ACPI_REDUCED_HARDWARE)
63 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
65 #endif /* !ACPI_REDUCED_HARDWARE */
67 /* These addresses are calculated from the FADT Event Block addresses */
69 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
70 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
72 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
73 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
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.
80 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
81 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
82 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
84 /*****************************************************************************
86 * Mutual exclusion within ACPICA subsystem
88 ****************************************************************************/
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)
95 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
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
102 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
103 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
104 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
105 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
106 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
107 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
108 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
111 * Spinlocks are used for interfaces that can be possibly called at
112 * interrupt level
114 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */
115 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
116 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
118 /* Mutex for _OSI support */
120 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
122 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
124 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
126 /*****************************************************************************
128 * Miscellaneous globals
130 ****************************************************************************/
132 /* Object caches */
134 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
135 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
136 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
137 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
138 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
140 /* System */
142 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
143 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
145 /* Global handlers */
147 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
148 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
149 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
150 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
151 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
152 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
153 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
155 /* Owner ID support */
157 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
158 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
159 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
161 /* Initialization sequencing */
163 ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
165 /* Misc */
167 ACPI_GLOBAL(u32, acpi_gbl_original_mode);
168 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
169 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
170 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
171 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
172 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
173 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
174 ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
175 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
176 ACPI_GLOBAL(struct acpi_address_range *,
177 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
179 /* Other miscellaneous, declared and initialized in utglobal */
181 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
182 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
183 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
184 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
185 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
187 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
189 /* Lists for tracking memory allocations (debug only) */
191 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
192 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
193 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
194 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
195 #endif
197 /*****************************************************************************
199 * Namespace globals
201 ****************************************************************************/
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
209 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
210 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
211 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
212 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
214 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
215 extern const struct acpi_predefined_names
216 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
218 #ifdef ACPI_DEBUG_OUTPUT
219 ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
220 ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
221 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
222 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
223 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
224 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
225 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
226 #endif
228 /*****************************************************************************
230 * Interpreter globals
232 ****************************************************************************/
234 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
236 /* Control method single step flag */
238 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
240 /*****************************************************************************
242 * Hardware globals
244 ****************************************************************************/
246 extern struct acpi_bit_register_info
247 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
249 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
250 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
252 /*****************************************************************************
254 * Event and GPE globals
256 ****************************************************************************/
258 #if (!ACPI_REDUCED_HARDWARE)
260 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
261 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
262 ACPI_GLOBAL(struct acpi_gpe_block_info *,
263 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
264 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
265 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
266 ACPI_GLOBAL(struct acpi_fixed_event_handler,
267 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
269 extern struct acpi_fixed_event_info
270 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
272 #endif /* !ACPI_REDUCED_HARDWARE */
274 /*****************************************************************************
276 * Debug support
278 ****************************************************************************/
280 /* Event counters */
282 ACPI_GLOBAL(u32, acpi_method_count);
283 ACPI_GLOBAL(u32, acpi_gpe_count);
284 ACPI_GLOBAL(u32, acpi_sci_count);
285 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
287 /* Support for dynamic control method tracing mechanism */
289 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
290 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
291 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level);
292 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer);
294 /*****************************************************************************
296 * Debugger and Disassembler globals
298 ****************************************************************************/
300 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
302 #ifdef ACPI_DISASSEMBLER
304 /* Do not disassemble buffers to resource descriptors */
306 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
307 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
308 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
309 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
311 ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm);
312 ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose);
313 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
314 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
315 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
316 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
317 #endif
319 #ifdef ACPI_DEBUGGER
321 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE);
322 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
323 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
325 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
326 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
327 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
328 ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
329 ACPI_GLOBAL(char *, acpi_gbl_db_filename);
330 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
331 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
332 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
334 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
335 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
337 /* These buffers should all be the same size */
339 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
340 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
341 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
342 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
345 * Statistic globals
347 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
348 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
349 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
350 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
351 ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
352 ACPI_GLOBAL(u32, acpi_gbl_num_objects);
354 #endif /* ACPI_DEBUGGER */
356 /*****************************************************************************
358 * Application globals
360 ****************************************************************************/
362 #ifdef ACPI_APPLICATION
364 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
365 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
367 /* Print buffer */
369 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */
370 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
372 #endif /* ACPI_APPLICATION */
374 /*****************************************************************************
376 * Info/help support
378 ****************************************************************************/
380 extern const struct ah_predefined_name asl_predefined_info[];
381 extern const struct ah_device_id asl_device_ids[];
383 #endif /* __ACGLOBAL_H__ */