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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: acglobal.h - Declarations for global variables
5 *
6 * Copyright (C) 2000 - 2022, Intel Corp.
7 *
8 *****************************************************************************/
9
10#ifndef __ACGLOBAL_H__
11#define __ACGLOBAL_H__
12
13/*****************************************************************************
14 *
15 * Globals related to the incoming ACPI tables
16 *
17 ****************************************************************************/
18
19/* Master list of all ACPI tables that were found in the RSDT/XSDT */
20
21ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
22
23/* DSDT information. Used to check for DSDT corruption */
24
25ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
26ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
27ACPI_INIT_GLOBAL(char *, acpi_gbl_CDAT, NULL);
28ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX);
29ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX);
30ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
31ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX);
32
33#if (!ACPI_REDUCED_HARDWARE)
34ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
35
36#endif /* !ACPI_REDUCED_HARDWARE */
37
38/* These addresses are calculated from the FADT Event Block addresses */
39
40ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
41ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
42
43ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
44ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
45
46#ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES
47ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe0_block_logical_address);
48ACPI_GLOBAL(unsigned long, acpi_gbl_xgpe1_block_logical_address);
49
50#endif /* ACPI_GPE_USE_LOGICAL_ADDRESSES */
51
52/*
53 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
54 * determined by the revision of the DSDT: If the DSDT revision is less than
55 * 2, use only the lower 32 bits of the internal 64-bit Integer.
56 */
57ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
58ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
59ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
60
61/*****************************************************************************
62 *
63 * Mutual exclusion within the ACPICA subsystem
64 *
65 ****************************************************************************/
66
67/*
68 * Predefined mutex objects. This array contains the
69 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
70 * (The table maps local handles to the real OS handles)
71 */
72ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
73
74/*
75 * Global lock mutex is an actual AML mutex object
76 * Global lock semaphore works in conjunction with the actual global lock
77 * Global lock spinlock is used for "pending" handshake
78 */
79ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
80ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
81ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
82ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
83ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
84ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
85ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
86
87/*
88 * Spinlocks are used for interfaces that can be possibly called at
89 * interrupt level
90 */
91ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */
92ACPI_GLOBAL(acpi_raw_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
93ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
94
95/* Mutex for _OSI support */
96
97ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
98
99/* Reader/Writer lock is used for namespace walk and dynamic table unload */
100
101ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
102
103/*****************************************************************************
104 *
105 * Miscellaneous globals
106 *
107 ****************************************************************************/
108
109/* Object caches */
110
111ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
112ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
113ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
114ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
115ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
116
117/* System */
118
119ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
120ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
121ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE);
122
123/* Global handlers */
124
125ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
126ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
127ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
128ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
129ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
130ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
131ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
132
133/* Owner ID support */
134
135ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
136ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
137ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
138
139/* Initialization sequencing */
140
141ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE);
142
143/* Miscellaneous */
144
145ACPI_GLOBAL(u32, acpi_gbl_original_mode);
146ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
147ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
148ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
149ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
150ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
151ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
152ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
153ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
154ACPI_GLOBAL(struct acpi_address_range *,
155 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
156
157/* Other miscellaneous, declared and initialized in utglobal */
158
159extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
160extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
161extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
162extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
163extern const char acpi_gbl_lower_hex_digits[];
164extern const char acpi_gbl_upper_hex_digits[];
165extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
166
167/* Lists for tracking memory allocations (debug only) */
168
169#ifdef ACPI_DBG_TRACK_ALLOCATIONS
170ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
171ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
172ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
173ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
174ACPI_GLOBAL(u8, acpi_gbl_verbose_leak_dump);
175#endif
176
177/*****************************************************************************
178 *
179 * ACPI Namespace
180 *
181 ****************************************************************************/
182
183#define NUM_PREDEFINED_NAMES 10
184
185ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
186ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
187ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
188
189extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
190extern const struct acpi_predefined_names
191 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
192
193#ifdef ACPI_DEBUG_OUTPUT
194ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
195ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
196ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
197ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
198ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
199ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
200ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
201#endif
202
203/*****************************************************************************
204 *
205 * Interpreter/Parser globals
206 *
207 ****************************************************************************/
208
209/* Control method single step flag */
210
211ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
212ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
213ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL);
214
215/* ASL/ASL+ converter */
216
217ACPI_INIT_GLOBAL(u8, acpi_gbl_capture_comments, FALSE);
218ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL);
219
220/*****************************************************************************
221 *
222 * Hardware globals
223 *
224 ****************************************************************************/
225
226extern struct acpi_bit_register_info
227 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
228ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
229ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
230ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0);
231ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0);
232
233/*****************************************************************************
234 *
235 * Event and GPE globals
236 *
237 ****************************************************************************/
238
239#if (!ACPI_REDUCED_HARDWARE)
240ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
241ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
242ACPI_GLOBAL(struct acpi_gpe_block_info *,
243 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
244ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
245ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
246ACPI_GLOBAL(struct acpi_fixed_event_handler,
247 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
248extern struct acpi_fixed_event_info
249 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
250#endif /* !ACPI_REDUCED_HARDWARE */
251
252/*****************************************************************************
253 *
254 * Debug support
255 *
256 ****************************************************************************/
257
258/* Event counters */
259
260ACPI_GLOBAL(u32, acpi_method_count);
261ACPI_GLOBAL(u32, acpi_gpe_count);
262ACPI_GLOBAL(u32, acpi_sci_count);
263ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
264
265/* Dynamic control method tracing mechanism */
266
267ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
268ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
269
270/*****************************************************************************
271 *
272 * Debugger and Disassembler
273 *
274 ****************************************************************************/
275
276ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
277
278#ifdef ACPI_DISASSEMBLER
279
280/* Do not disassemble buffers to resource descriptors */
281
282ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
283ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
284ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
285ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
286ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE);
287ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE);
288ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE);
289ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL);
290
291ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm);
292ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing);
293ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
294ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
295ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
296ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
297#endif
298
299#ifdef ACPI_DEBUGGER
300ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
301ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID);
302ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1);
303
304ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
305ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
306ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
307ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
308ACPI_GLOBAL(char *, acpi_gbl_db_filename);
309ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
310ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
311ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
312ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop);
313ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated);
314ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
315ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
316
317/* These buffers should all be the same size */
318
319ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
320ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
321ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
322
323/* Statistics globals */
324
325ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]);
326ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]);
327ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
328ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
329ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
330ACPI_GLOBAL(u32, acpi_gbl_num_objects);
331#endif /* ACPI_DEBUGGER */
332
333#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
334ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]);
335ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]);
336ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]);
337ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]);
338ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE);
339#endif
340
341/*****************************************************************************
342 *
343 * ACPICA application-specific globals
344 *
345 ****************************************************************************/
346
347/* ASL-to-ASL+ conversion utility (implemented within the iASL compiler) */
348
349#ifdef ACPI_ASL_COMPILER
350ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL);
351ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL);
352ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL);
353ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL);
354
355ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL);
356ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL);
357ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL);
358ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL);
359
360ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head,
361 NULL);
362ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail,
363 NULL);
364ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head,
365 NULL);
366ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail,
367 NULL);
368ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head,
369 NULL);
370ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail,
371 NULL);
372ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head,
373 NULL);
374ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail,
375 NULL);
376
377ACPI_INIT_GLOBAL(struct acpi_comment_addr_node,
378 *acpi_gbl_comment_addr_list_head, NULL);
379ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL);
380
381ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache);
382ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache);
383ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache);
384
385ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE);
386ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL);
387ACPI_GLOBAL(char, acpi_gbl_table_sig[4]);
388#endif
389
390#ifdef ACPI_APPLICATION
391ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
392ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
393ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE);
394
395/* Print buffer */
396
397ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */
398ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
399#endif /* ACPI_APPLICATION */
400
401#endif /* __ACGLOBAL_H__ */